Login
Register
E-alert
2005 Vol. 35, No. 3
Display Method:
2005, 35(3): 2-3,7.
doi: 10.13204/j.gyjz200503002
Abstract:
Facing the current conditions of the old industrial bases in the northeast of China,the theory of new city industrial community is put forward,and the renovation strategies of old industrial bases are expounded from such aspects as protection and renewal,integral city,ecological circumstances and industrial landscape.
Facing the current conditions of the old industrial bases in the northeast of China,the theory of new city industrial community is put forward,and the renovation strategies of old industrial bases are expounded from such aspects as protection and renewal,integral city,ecological circumstances and industrial landscape.
2005, 35(3): 4-7.
doi: 10.13204/j.gyjz200503003
Abstract:
Taking Shanghai Pudong Pantry Center for example,it is described in detail that the design respects,such as dealing with the overall layout,process flow,lectotype of equipments and computer network etc.The importance of mastering the key technology and fostering special talents are emphasized,thus striving to make achievements on the design market with further details in the future.
Taking Shanghai Pudong Pantry Center for example,it is described in detail that the design respects,such as dealing with the overall layout,process flow,lectotype of equipments and computer network etc.The importance of mastering the key technology and fostering special talents are emphasized,thus striving to make achievements on the design market with further details in the future.
2005, 35(3): 8-10.
doi: 10.13204/j.gyjz200503004
Abstract:
Cigarette factory is a kind of industrial architectures.In recent years,for the building design of cigarette factory there has been a great break-through in design methods and concept;and in overall planning,green factory and ecological buildings combining with culture and art features are followed.A new trend of development is also seen in building automation and intellectualization etc.
Cigarette factory is a kind of industrial architectures.In recent years,for the building design of cigarette factory there has been a great break-through in design methods and concept;and in overall planning,green factory and ecological buildings combining with culture and art features are followed.A new trend of development is also seen in building automation and intellectualization etc.
2005, 35(3): 11-13.
doi: 10.13204/j.gyjz200503005
Abstract:
An industrial architecture possesses of special requirements of function,yet it has no effect on the creation of architectural art.The rich modern industrial architectures are described through examples of industrial architectures with different styles.The architects should master the creative principle of making a balance among application,economy and architectural art.
An industrial architecture possesses of special requirements of function,yet it has no effect on the creation of architectural art.The rich modern industrial architectures are described through examples of industrial architectures with different styles.The architects should master the creative principle of making a balance among application,economy and architectural art.
2005, 35(3): 14-15.
doi: 10.13204/j.gyjz200503006
Abstract:
Located in Wangjing Science and Technology Park,Wangjing Project(Phase-Ⅱ)is an office building for high technology firms.The project is comprised of three buildings with similar plans and a connector.Two of them line up in the north of the plot,the other sites at the south and the connector is analogous to a staircase which is used forlobby,coffee break,commerce and management.There is a passage in the north for fire protection,so the entrance of A building is on the 2nd floor.The connector provides a space analogous to staircase from 1st to 2nd floor which meets the function and enriches architectural space as well.Two main buildings express the feeling of rectangles moving along a track and the other building is made up of glass curtain wall with glass fin and a double-skin structural-glazing system to form a gradual change from transparent to translucent.Low-radiation print glass is used for the main buildings and a particular pattern comes from refraction of light.huge block has been revised to a sheet to be realized more easily.The layout is designed peripherally in order to form a system and create a square at the north of Wangjing Project(Phase-Ⅰ) as well.Landscape runs through the entire plot and makes a good relationship between the two projects.
Located in Wangjing Science and Technology Park,Wangjing Project(Phase-Ⅱ)is an office building for high technology firms.The project is comprised of three buildings with similar plans and a connector.Two of them line up in the north of the plot,the other sites at the south and the connector is analogous to a staircase which is used forlobby,coffee break,commerce and management.There is a passage in the north for fire protection,so the entrance of A building is on the 2nd floor.The connector provides a space analogous to staircase from 1st to 2nd floor which meets the function and enriches architectural space as well.Two main buildings express the feeling of rectangles moving along a track and the other building is made up of glass curtain wall with glass fin and a double-skin structural-glazing system to form a gradual change from transparent to translucent.Low-radiation print glass is used for the main buildings and a particular pattern comes from refraction of light.huge block has been revised to a sheet to be realized more easily.The layout is designed peripherally in order to form a system and create a square at the north of Wangjing Project(Phase-Ⅰ) as well.Landscape runs through the entire plot and makes a good relationship between the two projects.
2005, 35(3): 16-17,19.
doi: 10.13204/j.gyjz200503007
Abstract:
Because of much more penetration of humanism,the industrial buildings are gradually getting rid of the conception of narrow sense and develop on a way of synthesis and multielement,by which a wider field is being exploited.It is expounded that the design conception of rationalism and romance and its embodiment in the planning and design of scientific and technological industry garden under Xian Institute of Optics and Precision Mechanics of Chinese Academy of Sciences(CAS),using the planning and design of this garden.The dualism of technology humanism and rationalism romance is revealed more evidently by the industrial buildings during their developing a new way.
Because of much more penetration of humanism,the industrial buildings are gradually getting rid of the conception of narrow sense and develop on a way of synthesis and multielement,by which a wider field is being exploited.It is expounded that the design conception of rationalism and romance and its embodiment in the planning and design of scientific and technological industry garden under Xian Institute of Optics and Precision Mechanics of Chinese Academy of Sciences(CAS),using the planning and design of this garden.The dualism of technology humanism and rationalism romance is revealed more evidently by the industrial buildings during their developing a new way.
2005, 35(3): 18-19.
doi: 10.13204/j.gyjz200503008
Abstract:
It is discussed that the essentiality of logical thinking during the design by reviewing the process of the project design.The design process is considered to be a problem-solving course which is leaded by rational logical thinking,by which the confinement factors of a project are also analyzed,concluded and deducted.
It is discussed that the essentiality of logical thinking during the design by reviewing the process of the project design.The design process is considered to be a problem-solving course which is leaded by rational logical thinking,by which the confinement factors of a project are also analyzed,concluded and deducted.
2005, 35(3): 20-22,26.
doi: 10.13204/j.gyjz200503009
Abstract:
Based on the seismic behavior experimental research on 3 high-strength concrete short columns under low-frequency cyclic loading,it is discussed and analyzed that the developing process and distributing of cracks at high-strength concrete short columns crack,reinforcing steel bars strains variational regular pattern and the influence of type of stirrups and stirrup ratio on modification of high-strength concrete short columns.
Based on the seismic behavior experimental research on 3 high-strength concrete short columns under low-frequency cyclic loading,it is discussed and analyzed that the developing process and distributing of cracks at high-strength concrete short columns crack,reinforcing steel bars strains variational regular pattern and the influence of type of stirrups and stirrup ratio on modification of high-strength concrete short columns.
2005, 35(3): 23-26.
doi: 10.13204/j.gyjz200503010
Abstract:
On the basis of the practical structure design of engineering,sufficiently considering the constraint conditions that the norm stipulates and the requirements of various engineering standards,a model of building structural optimization is derived.A hybrid genetic algorithm(HGA)composed of the standard genetic algorithm(SGA)and the Fibonacci algorithm(FA)is proposed.The results of examples show that the method plays the advantages of saving time,high efficiency,powerful local searching capabilit of FA,and plays the advantages of global searching capability of genetic algorithm(GA),too.HGA,as an efficient optimization design method for engineering structure having the advantages of both FA and GA without their disadvantages,is superior to either one.
On the basis of the practical structure design of engineering,sufficiently considering the constraint conditions that the norm stipulates and the requirements of various engineering standards,a model of building structural optimization is derived.A hybrid genetic algorithm(HGA)composed of the standard genetic algorithm(SGA)and the Fibonacci algorithm(FA)is proposed.The results of examples show that the method plays the advantages of saving time,high efficiency,powerful local searching capabilit of FA,and plays the advantages of global searching capability of genetic algorithm(GA),too.HGA,as an efficient optimization design method for engineering structure having the advantages of both FA and GA without their disadvantages,is superior to either one.
2005, 35(3): 27-29.
doi: 10.13204/j.gyjz200503011
Abstract:
The state of destroy and characteristics of deformation of the testing member are observed, the testing result is analyzed and its characteristic of deformation is studied according to the test of the HRB400 reinforced concrete simply supported beam. The testing result indicates that the HRB400 reinforced concrete simply supported beam not only has enough durability but also works well under the state of serviceability. Some suggestions on modifying the deflection formula of this type of structure are also proposed.
The state of destroy and characteristics of deformation of the testing member are observed, the testing result is analyzed and its characteristic of deformation is studied according to the test of the HRB400 reinforced concrete simply supported beam. The testing result indicates that the HRB400 reinforced concrete simply supported beam not only has enough durability but also works well under the state of serviceability. Some suggestions on modifying the deflection formula of this type of structure are also proposed.
2005, 35(3): 30-32.
doi: 10.13204/j.gyjz200503012
Abstract:
In this paper, influential factors of stochastic time-dependent of resistances for reliability calculation of existing structures are analyzed, and Bayesian method for probable characteristics of resistances is studied based on sample value. Based on measured sample value, a resistance model of stochastic time-dependent for existing structures is proposed, which can estimate conveniently and effectively the resistance for reliability analysis of existing structures.
In this paper, influential factors of stochastic time-dependent of resistances for reliability calculation of existing structures are analyzed, and Bayesian method for probable characteristics of resistances is studied based on sample value. Based on measured sample value, a resistance model of stochastic time-dependent for existing structures is proposed, which can estimate conveniently and effectively the resistance for reliability analysis of existing structures.
2005, 35(3): 33-34.
doi: 10.13204/j.gyjz200503013
Abstract:
A set of fire tests on five continuous beams of two spans at high temperature is introduced. On the basis of tests, some conclusions of their fire-resistant performance are drawn by contrasting the influence of different constant loads.
A set of fire tests on five continuous beams of two spans at high temperature is introduced. On the basis of tests, some conclusions of their fire-resistant performance are drawn by contrasting the influence of different constant loads.
2005, 35(3): 35-37.
doi: 10.13204/j.gyjz200503014
Abstract:
Based on the idea to determine the piles vertical bearing capacity and deformation by the settlement of pile top, a modified load-transfer method is proposed for analyzing axially loaded piles. According to the deformation coordination of shaft and soil, a calculating program is designed. In the program, the compression of shaft is required as the only iterative variable. The vertical bearing capacity of pile top, axial force and the deformation of the shaft can be calculated through the program. The suggested method is especially suitable for pile foundation design with strict requirement of the settlement of pile top. Finally, the method is analyzed by the measured data on test piles for a project, and the calculated results agree well with the in-situ data.
Based on the idea to determine the piles vertical bearing capacity and deformation by the settlement of pile top, a modified load-transfer method is proposed for analyzing axially loaded piles. According to the deformation coordination of shaft and soil, a calculating program is designed. In the program, the compression of shaft is required as the only iterative variable. The vertical bearing capacity of pile top, axial force and the deformation of the shaft can be calculated through the program. The suggested method is especially suitable for pile foundation design with strict requirement of the settlement of pile top. Finally, the method is analyzed by the measured data on test piles for a project, and the calculated results agree well with the in-situ data.
2005, 35(3): 38-41.
doi: 10.13204/j.gyjz200503015
Abstract:
The characteristics of BP neural network and chaos optimal method are analyzed. By integrating chaos optimal method with gradient-decline method, an optimal method of combination search is created. Combining a large amount of piles testing data of the Pearl River Delta, the prediction model of vertical ultimate bearing capacity of single pile is established, based on chaos optimal method and BP algorithm. Real example research shows the predicted data agree well with the measured ones. It shows that the method is feasible, effective and satisfied with engineering demand, which can be used widely in projects.
The characteristics of BP neural network and chaos optimal method are analyzed. By integrating chaos optimal method with gradient-decline method, an optimal method of combination search is created. Combining a large amount of piles testing data of the Pearl River Delta, the prediction model of vertical ultimate bearing capacity of single pile is established, based on chaos optimal method and BP algorithm. Real example research shows the predicted data agree well with the measured ones. It shows that the method is feasible, effective and satisfied with engineering demand, which can be used widely in projects.
2005, 35(3): 42-45,52.
doi: 10.13204/j.gyjz200503016
Abstract:
Based on load transfer approach and Ramberg-Osgood models for simulating the side resistance and tip resistance of a pile, the parameter studies on axial stiffness of single piles in a homogenous ground are conducted. A constant and dimensionaless rigidity index of pile-soil system,=(Gavg/Ep)(l/d) , is introduced and its dominant influence on the load transfer of a pile foundation is revealed.
Based on load transfer approach and Ramberg-Osgood models for simulating the side resistance and tip resistance of a pile, the parameter studies on axial stiffness of single piles in a homogenous ground are conducted. A constant and dimensionaless rigidity index of pile-soil system,=(Gavg/Ep)(l/d) , is introduced and its dominant influence on the load transfer of a pile foundation is revealed.
2005, 35(3): 46-48,55.
doi: 10.13204/j.gyjz200503017
Abstract:
Using different load-transfer functions for pile shaft and pile tip, the lateral soil shear modulus and strength are linearly fitted along the depth, based on which a set of analytical equations for axially loaded single pile in non-homogenous soil is set up. The solution can be used to analyze the load-settlement behavior of single pile. A simple method to determine the calculation parameter is proposed. Comparison between the results obtained from the proposed method and the load test showed the effectiveness of this method.
Using different load-transfer functions for pile shaft and pile tip, the lateral soil shear modulus and strength are linearly fitted along the depth, based on which a set of analytical equations for axially loaded single pile in non-homogenous soil is set up. The solution can be used to analyze the load-settlement behavior of single pile. A simple method to determine the calculation parameter is proposed. Comparison between the results obtained from the proposed method and the load test showed the effectiveness of this method.
2005, 35(3): 49-52.
doi: 10.13204/j.gyjz200503018
Abstract:
A new type double-ball anchorage system which would be applied in post-tensioning prestressed concrete was introduced.The experiments and analyses were made on its formation,its components function and its anchoring capacity.Static load test,fatigue test and cyclic load test were made by the authorized test organization.The positive conclusion was gained.
A new type double-ball anchorage system which would be applied in post-tensioning prestressed concrete was introduced.The experiments and analyses were made on its formation,its components function and its anchoring capacity.Static load test,fatigue test and cyclic load test were made by the authorized test organization.The positive conclusion was gained.
2005, 35(3): 53-55.
doi: 10.13204/j.gyjz200503019
Abstract:
Basing on the fracture mechanics theory of concrete,through analyzing the anti-cracking function and reinforcing effect of steel fiber, it is discussed that the method for calculating the cracking strength and the width of the cracks in steel fiber reinforced concrete and the corresponding formula is also given. The author also checks them with the experimental results, which shows the validity of the analysis and calculation.
Basing on the fracture mechanics theory of concrete,through analyzing the anti-cracking function and reinforcing effect of steel fiber, it is discussed that the method for calculating the cracking strength and the width of the cracks in steel fiber reinforced concrete and the corresponding formula is also given. The author also checks them with the experimental results, which shows the validity of the analysis and calculation.
2005, 35(3): 56-57,32.
doi: 10.13204/j.gyjz200503020
Abstract:
The authors design an anti-penetration and anti-blast component that made of GFRP-pipe concrete and then analyze the merits of this component. The research shows that the concrete confined with GFRP-pipe can enhance compressive strength of concrete and increase its ductility. Therefore, the concrete confined with GFRP-pipe can improve the anti-penetration capability. In the end, the software LS-DYNA is used to simulate this process, and the results indicate that this defense structure design is much better than the normal one made of common concrete in terms of anti-penetration.
The authors design an anti-penetration and anti-blast component that made of GFRP-pipe concrete and then analyze the merits of this component. The research shows that the concrete confined with GFRP-pipe can enhance compressive strength of concrete and increase its ductility. Therefore, the concrete confined with GFRP-pipe can improve the anti-penetration capability. In the end, the software LS-DYNA is used to simulate this process, and the results indicate that this defense structure design is much better than the normal one made of common concrete in terms of anti-penetration.
2005, 35(3): 58-62.
doi: 10.13204/j.gyjz200503021
Abstract:
Experimental study on the mechanical properties of 75 corroded rebars I and II in marine concrete is carried out.It is discussed the relationship between yielding strength, ultimate strength, ultimate elongation rate, failure type stress-strain curve and the ratio of ultimate strength to yielding strength of reinforcement steel and the corrosion rate. The comparative analysis of mechanical properties between rebars in atmospheric and marine environment is also presented. Simulation analysis of bars with different diameters and different corrosion pit is also carried out. Corrosion has less effect on the rebars with large diameter than small diameter. The shape and width of corrosion pit have no great effect on the strength of corroded rebars. The reason for the data scatter is analyzed at last.
Experimental study on the mechanical properties of 75 corroded rebars I and II in marine concrete is carried out.It is discussed the relationship between yielding strength, ultimate strength, ultimate elongation rate, failure type stress-strain curve and the ratio of ultimate strength to yielding strength of reinforcement steel and the corrosion rate. The comparative analysis of mechanical properties between rebars in atmospheric and marine environment is also presented. Simulation analysis of bars with different diameters and different corrosion pit is also carried out. Corrosion has less effect on the rebars with large diameter than small diameter. The shape and width of corrosion pit have no great effect on the strength of corroded rebars. The reason for the data scatter is analyzed at last.
2005, 35(3): 63-65,74.
doi: 10.13204/j.gyjz200503022
Abstract:
In reinforced concrete structure,the reinforcement corrodes and the volume of these corroded products expand to create pressure to the surround concrete of reinforcement.To the assessment of the corroded concrete structure,the most obvious and direct assessment methods are the crack form and crack width.In the lab,concrete cracking process, caused by the rebars corrosion,is simulated by enlarging the pre-located hole on the test pieces.Bulging bolt and water press are used to simulate the stress distribution and crack forms on the memberssurface.Cracking trend of cover concrete,crack developing and crack forms are analyzed on condition of these factors,such as concrete strength,reinforcement diameter,cover depth,reinforcement position,and casting mode.In the end,the finite element method is used to simulate the stress field of a typical test piece.
In reinforced concrete structure,the reinforcement corrodes and the volume of these corroded products expand to create pressure to the surround concrete of reinforcement.To the assessment of the corroded concrete structure,the most obvious and direct assessment methods are the crack form and crack width.In the lab,concrete cracking process, caused by the rebars corrosion,is simulated by enlarging the pre-located hole on the test pieces.Bulging bolt and water press are used to simulate the stress distribution and crack forms on the memberssurface.Cracking trend of cover concrete,crack developing and crack forms are analyzed on condition of these factors,such as concrete strength,reinforcement diameter,cover depth,reinforcement position,and casting mode.In the end,the finite element method is used to simulate the stress field of a typical test piece.
2005, 35(3): 66-67,89.
doi: 10.13204/j.gyjz200503023
Abstract:
It is presented that a composite slab made of concrete,polystyrene foam and steelbar-grids simply called ZW-slab with multi-function including bearing,aseismic,fireproof,thermal insulation and sound insulation.The slab containing more technologies has excellent architectural and structural properties.It also is highly industrialized with economic price and will be a new energy-saving slab with a bright future.
It is presented that a composite slab made of concrete,polystyrene foam and steelbar-grids simply called ZW-slab with multi-function including bearing,aseismic,fireproof,thermal insulation and sound insulation.The slab containing more technologies has excellent architectural and structural properties.It also is highly industrialized with economic price and will be a new energy-saving slab with a bright future.
2005, 35(3): 68-70.
doi: 10.13204/j.gyjz200503024
Abstract:
The seismic behaviors of four kinds of 10-story frame structures, which are respectively composed of concrete-filled rectangular steel tubes (CFRT) and of reinforced concrete columns, have been studied. SAP 2000 program is used for calculating the seismic responses of the structures. Dynamic behaviors of the CFRT and reinforced concrete structures are analyzed, which may be referenced for structure design.
The seismic behaviors of four kinds of 10-story frame structures, which are respectively composed of concrete-filled rectangular steel tubes (CFRT) and of reinforced concrete columns, have been studied. SAP 2000 program is used for calculating the seismic responses of the structures. Dynamic behaviors of the CFRT and reinforced concrete structures are analyzed, which may be referenced for structure design.
2005, 35(3): 71-74.
doi: 10.13204/j.gyjz200503025
Abstract:
Based on the geometric non-linear analysis, the in-plane global stability of Space Lattice Tilted Column Frame of Triangle Section(SLTCF)is studied. Using orthogonal design method, the load-displacement whole deforming path analysis of the SLTCF with common dimensions is carried out. Factors that have very great effect on the in-plane stability loading capacity and the effective-length are obtained. According to lots of parameter analyses, the calculation tables for determining the effective-length of the SLTCF, which is of practical engineering value, are proposed.
Based on the geometric non-linear analysis, the in-plane global stability of Space Lattice Tilted Column Frame of Triangle Section(SLTCF)is studied. Using orthogonal design method, the load-displacement whole deforming path analysis of the SLTCF with common dimensions is carried out. Factors that have very great effect on the in-plane stability loading capacity and the effective-length are obtained. According to lots of parameter analyses, the calculation tables for determining the effective-length of the SLTCF, which is of practical engineering value, are proposed.
2005, 35(3): 75-79.
doi: 10.13204/j.gyjz200503026
Abstract:
Ten slender high strength concrete(HSC) filled rectangular hollow section(RHS) steel tubular columns were tested.The primary test parameters were slenderness ratios varying from 25^4 to 71^6,steel ratios of 8.2% and 14.6%,height-to-breadth ratios varying between 1.0 and 1.6.Meanwhile,a nonlinear analysis program was produced to calculate the bearing capacity of the high strength concrete-filled RHS tubes.The experimental results agreed well with those of the numerical analysis.Furthermore,the influences of the factors,such as steel ratio,concrete strength,steel yield strength and height-to-breadth ratio,on the stability factor-slenderness ratio curves were investigated.The results showed that the bearing capacity decreased rapidly with the increasing of the slenderness ratio,and the height-to-breadth ratio(varying from 1.0 to 1.6) had no evident influence on the stability factor and relative deflection at the mid-height.
Ten slender high strength concrete(HSC) filled rectangular hollow section(RHS) steel tubular columns were tested.The primary test parameters were slenderness ratios varying from 25^4 to 71^6,steel ratios of 8.2% and 14.6%,height-to-breadth ratios varying between 1.0 and 1.6.Meanwhile,a nonlinear analysis program was produced to calculate the bearing capacity of the high strength concrete-filled RHS tubes.The experimental results agreed well with those of the numerical analysis.Furthermore,the influences of the factors,such as steel ratio,concrete strength,steel yield strength and height-to-breadth ratio,on the stability factor-slenderness ratio curves were investigated.The results showed that the bearing capacity decreased rapidly with the increasing of the slenderness ratio,and the height-to-breadth ratio(varying from 1.0 to 1.6) had no evident influence on the stability factor and relative deflection at the mid-height.
2005, 35(3): 80-83.
doi: 10.13204/j.gyjz200503027
Abstract:
A novel seismic type of structural system called steel skeleton concrete frame-brace structure is used for Beijing new planetarimu,whose structural system is very complex.Calculation and analysis are carried out on static and dynamic responses for the engineering by means of finite element analysis program ANSYS,which provides a basis for design of structural members.Brace memebers are mainly discussed of dissipating energy under the action of earthquake.Finally some useful conclusions can be drawn to direct engineering practice.
A novel seismic type of structural system called steel skeleton concrete frame-brace structure is used for Beijing new planetarimu,whose structural system is very complex.Calculation and analysis are carried out on static and dynamic responses for the engineering by means of finite element analysis program ANSYS,which provides a basis for design of structural members.Brace memebers are mainly discussed of dissipating energy under the action of earthquake.Finally some useful conclusions can be drawn to direct engineering practice.
2005, 35(3): 84-86.
doi: 10.13204/j.gyjz200503028
Abstract:
Through analyzing and questioning construction technology of large-span steel structure in Huzhou Gymnasium,we can proved that if we could apply construction technology correctly,we can build a production that is satisfactory to its designer in spite of the complexity of large-span steel structure.
Through analyzing and questioning construction technology of large-span steel structure in Huzhou Gymnasium,we can proved that if we could apply construction technology correctly,we can build a production that is satisfactory to its designer in spite of the complexity of large-span steel structure.
2005, 35(3): 87-89.
doi: 10.13204/j.gyjz200503029
Abstract:
Based on the elastic design theory,the basic calculation theory of two-way RC slab and square crossing girder is analyzed,and flow chart of the calculation software coded with Visual Basic is also designed.It also introduces the interface of two-way RC slab calculation module and square crossing girder calculation module in Southeast University Deep Strengthening Soft System(SEU-DEEP) and one practical example is presented to illuminate it in detail.
Based on the elastic design theory,the basic calculation theory of two-way RC slab and square crossing girder is analyzed,and flow chart of the calculation software coded with Visual Basic is also designed.It also introduces the interface of two-way RC slab calculation module and square crossing girder calculation module in Southeast University Deep Strengthening Soft System(SEU-DEEP) and one practical example is presented to illuminate it in detail.
2005, 35(3): 90-92.
doi: 10.13204/j.gyjz200503030
Abstract:
According to a project practice, by using the composite foundation underpinning technology, as well as considering pile-soil interaction, the problem of foundation capacity scarcity because of the failure of concrete has been solved. The original foundation has been taken into account sufficiently. In the end, a typical project example is also provided for engineers and technicians reference.
According to a project practice, by using the composite foundation underpinning technology, as well as considering pile-soil interaction, the problem of foundation capacity scarcity because of the failure of concrete has been solved. The original foundation has been taken into account sufficiently. In the end, a typical project example is also provided for engineers and technicians reference.
2005, 35(3): 93-94.
Abstract:
The reasons that arouse the corrosion of steel bar are complex.It is an important factor that the acidification chemistry(vitriol)arouses the corrosion of the steel bar, besides concrete carbonization chemistry, if the sulfuric acid gas exists in environment. At last,corresponding prevention measures are also proposed.
The reasons that arouse the corrosion of steel bar are complex.It is an important factor that the acidification chemistry(vitriol)arouses the corrosion of the steel bar, besides concrete carbonization chemistry, if the sulfuric acid gas exists in environment. At last,corresponding prevention measures are also proposed.
2005, 35(3): 95-97,86.
Abstract:
The causes of producing cracks on the basement shear wall of a tall building are analyzed and diagnosed by integrating theory with engineering practice,according to the construction mix,curing conditions,structural form and configuration steel bars etc.The specific repair scheme is made and sugestions on modifying the construction of its superstructure are also proposed.
The causes of producing cracks on the basement shear wall of a tall building are analyzed and diagnosed by integrating theory with engineering practice,according to the construction mix,curing conditions,structural form and configuration steel bars etc.The specific repair scheme is made and sugestions on modifying the construction of its superstructure are also proposed.
2005, 35(3): 98-100,79.
Abstract:
Architecture is the art that displays the world with geometric space. Architectural space is not the actual absolute space in physics; it is the comprehensive perception of the rich spirit and material. This article tries to introduce the situation communication between architecture and people.
Architecture is the art that displays the world with geometric space. Architectural space is not the actual absolute space in physics; it is the comprehensive perception of the rich spirit and material. This article tries to introduce the situation communication between architecture and people.
