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2010 Vol. 40, No. 1
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2010, 40(1): 1-4.
doi: 10.13204/j.gyjz201001001
Abstract:
Cracking control in massive concreting has been a conventional but complicated problem.Since the very early application of massive concrete,researchers have been studying the cracking mechanism and methods to control them.It has been well known that ...
Cracking control in massive concreting has been a conventional but complicated problem.Since the very early application of massive concrete,researchers have been studying the cracking mechanism and methods to control them.It has been well known that ...
2010, 40(1): 5-7,23.
doi: 10.13204/j.gyjz201001002
Abstract:
Conservation methods and technical indicators of mass concrete construction are often selected based on engineering experience,combined with on-site curing according to temperature monitoring,which lacks theoretical foundation,and inappropriate conse...
Conservation methods and technical indicators of mass concrete construction are often selected based on engineering experience,combined with on-site curing according to temperature monitoring,which lacks theoretical foundation,and inappropriate conse...
2010, 40(1): 8-10,16.
doi: 10.13204/j.gyjz201001003
Abstract:
There is an inestimable role in a reasonable sliding layer for reducing cracks in mass concrete construction.Actually,many factors have an impact on cracks in concrete construction,but the fundamental and direct causes are temperature stress level an...
There is an inestimable role in a reasonable sliding layer for reducing cracks in mass concrete construction.Actually,many factors have an impact on cracks in concrete construction,but the fundamental and direct causes are temperature stress level an...
2010, 40(1): 11-13,63.
doi: 10.13204/j.gyjz201001004
Abstract:
This paper presents a study which analyzes the entire course of massive concreting and curing,and proposes a method to control the overall stresses of concrete by controlling the temperature.With this method,full consideration of the fast contraction...
This paper presents a study which analyzes the entire course of massive concreting and curing,and proposes a method to control the overall stresses of concrete by controlling the temperature.With this method,full consideration of the fast contraction...
2010, 40(1): 14-16.
doi: 10.13204/j.gyjz201001005
Abstract:
Prior to massive concreting,calculations shall be made to estimate the highest hydration temperature in order to determine the concrete stresses resulted from temperature.Hydration temperature is related to the type of raw materials used,the structur...
Prior to massive concreting,calculations shall be made to estimate the highest hydration temperature in order to determine the concrete stresses resulted from temperature.Hydration temperature is related to the type of raw materials used,the structur...
2010, 40(1): 17-20.
doi: 10.13204/j.gyjz201001006
Abstract:
Hot and humid environment brings difficulties to pouring concrete and curing of raft foundation for nuclear islands of nuclear power plants,it especially causes the high central temperature of the concrete and a great difference between internal and ...
Hot and humid environment brings difficulties to pouring concrete and curing of raft foundation for nuclear islands of nuclear power plants,it especially causes the high central temperature of the concrete and a great difference between internal and ...
2010, 40(1): 21-23.
doi: 10.13204/j.gyjz201001007
Abstract:
Current professional standard YBJ 22491 Technical Regulation of Mass Concrete Construction of Block Foundations doesn't account of conservation indicator calculation of mass concrete by finite element technique in construction.In order to adapt promu...
Current professional standard YBJ 22491 Technical Regulation of Mass Concrete Construction of Block Foundations doesn't account of conservation indicator calculation of mass concrete by finite element technique in construction.In order to adapt promu...
2010, 40(1): 24-26,38.
doi: 10.13204/j.gyjz201001008
Abstract:
Through theoretic analysis, it can be estimated the concrete temperature and contraction stresses for CPR1000 nuclear power plant massive concretepours. However, it is extremely difficult to modelormeasure the strains due to concrete internalself-res...
Through theoretic analysis, it can be estimated the concrete temperature and contraction stresses for CPR1000 nuclear power plant massive concretepours. However, it is extremely difficult to modelormeasure the strains due to concrete internalself-res...
2010, 40(1): 27-30,4.
doi: 10.13204/j.gyjz201001009
Abstract:
It is proposed a new method of controlling cracks of pouring mass concrete for raft foundation of nuclear power plants.Software ANSYS is used to set up a 3-D finite element numerical simulation model for pouring concrete of raft foundation.A scheme o...
It is proposed a new method of controlling cracks of pouring mass concrete for raft foundation of nuclear power plants.Software ANSYS is used to set up a 3-D finite element numerical simulation model for pouring concrete of raft foundation.A scheme o...
2010, 40(1): 31-34,20.
doi: 10.13204/j.gyjz201001010
Abstract:
Chinese national industrial and commercial development in the modern times is basically along the canal flow path,thus leaving behind the coast cities many industrial inheritances which are worth protecting.As the material carriers of the industrial ...
Chinese national industrial and commercial development in the modern times is basically along the canal flow path,thus leaving behind the coast cities many industrial inheritances which are worth protecting.As the material carriers of the industrial ...
2010, 40(1): 35-38.
doi: 10.13204/j.gyjz201001011
Abstract:
With a wide use of multi-ribbed wall slab structure,it is very important to evaluate the reliability of in-service multi-ribbed wall slab structure,which can provide a scientific basis for expansion and reform of structures.The fundamental theory and...
With a wide use of multi-ribbed wall slab structure,it is very important to evaluate the reliability of in-service multi-ribbed wall slab structure,which can provide a scientific basis for expansion and reform of structures.The fundamental theory and...
2010, 40(1): 39-45.
doi: 10.13204/j.gyjz201001012
Abstract:
Six in-plane beam-thin wall joints were tested under reversed cyclic loading,considering various design parameters such as longitudinal bar's anchorage condition,stirrup reinforcement ratio of beam within the wall and beam height.Using the nonlinear ...
Six in-plane beam-thin wall joints were tested under reversed cyclic loading,considering various design parameters such as longitudinal bar's anchorage condition,stirrup reinforcement ratio of beam within the wall and beam height.Using the nonlinear ...
2010, 40(1): 46-50,72.
doi: 10.13204/j.gyjz201001013
Abstract:
Experimental research and theoretic analysis show that the webs of some joints with specially shaped columns exhibit severe failure under low cyclic loading,so the joint with specially shaped columns become the weak part of structures with specially ...
Experimental research and theoretic analysis show that the webs of some joints with specially shaped columns exhibit severe failure under low cyclic loading,so the joint with specially shaped columns become the weak part of structures with specially ...
2010, 40(1): 51-54.
doi: 10.13204/j.gyjz201001014
Abstract:
Frame-bent structure is the structural form that is frequently used in the main mill building of a thermal power plant,whose structural quality and rigidity are distributed non-uniformly.It is necessary to research earthquake resistant behavior of th...
Frame-bent structure is the structural form that is frequently used in the main mill building of a thermal power plant,whose structural quality and rigidity are distributed non-uniformly.It is necessary to research earthquake resistant behavior of th...
2010, 40(1): 55-58,101.
doi: 10.13204/j.gyjz201001015
Abstract:
By having an analysis of the existing optimization method,aiming at the defect of the easy convergence of the ant colony algorithm's local optimal solution,this paper presents an improved ant colony a algorithm.It could enhance the global optimizatio...
By having an analysis of the existing optimization method,aiming at the defect of the easy convergence of the ant colony algorithm's local optimal solution,this paper presents an improved ant colony a algorithm.It could enhance the global optimizatio...
2010, 40(1): 59-63.
doi: 10.13204/j.gyjz201001016
Abstract:
Based on the static loading experiment of four reinforced concrete floor slabs,two ordinary and two superimposed with connections,the paper studied their loading mechanism and bending performance,such as deformation,cracks,bearing capacity and fail m...
Based on the static loading experiment of four reinforced concrete floor slabs,two ordinary and two superimposed with connections,the paper studied their loading mechanism and bending performance,such as deformation,cracks,bearing capacity and fail m...
2010, 40(1): 64-67.
doi: 10.13204/j.gyjz201001017
Abstract:
The improvement of bearing capacity dependeds on three aspects of soil consolidation,disturb-restore property and shell-effect.The effect of soil consolidation is most important,so the law of time-effect is studied from this aspects of pore pressure ...
The improvement of bearing capacity dependeds on three aspects of soil consolidation,disturb-restore property and shell-effect.The effect of soil consolidation is most important,so the law of time-effect is studied from this aspects of pore pressure ...
2010, 40(1): 68-72.
doi: 10.13204/j.gyjz201001018
Abstract:
Flexural behavior is one of the most important qualifying index of prestressed high strength concrete (PHC) pipe pile.The calculation methods of cracking moment and ultimate failure moment of PHC pipe piles are based on the approaches in the Code for...
Flexural behavior is one of the most important qualifying index of prestressed high strength concrete (PHC) pipe pile.The calculation methods of cracking moment and ultimate failure moment of PHC pipe piles are based on the approaches in the Code for...
2010, 40(1): 73-77,115.
doi: 10.13204/j.gyjz201001019
Abstract:
The top-extended CFG pile composite foundation is a ground treatment technique based on CFG pile foundation.It can make full use of the load collecting function of top-extended piles,and the bearing capacity and the deformation compatibility of soil ...
The top-extended CFG pile composite foundation is a ground treatment technique based on CFG pile foundation.It can make full use of the load collecting function of top-extended piles,and the bearing capacity and the deformation compatibility of soil ...
2010, 40(1): 78-81,97.
doi: 10.13204/j.gyjz201001020
Abstract:
In this paper,based on the mechanical capacity of beams reinforced with steel fiber in torsion and taking account of the influence of the steel fiber,the formulas on ultimate torque of the beams are given using the variable angle space truss model.So...
In this paper,based on the mechanical capacity of beams reinforced with steel fiber in torsion and taking account of the influence of the steel fiber,the formulas on ultimate torque of the beams are given using the variable angle space truss model.So...
2010, 40(1): 82-86.
doi: 10.13204/j.gyjz201001021
Abstract:
The determination of minimum longitudinal reinforcement ratio of flexural concrete members in Code for Design of Concrete Structures (GB 500102002) is presented in this paper.And this paper compares the limit of the minimum longitudinal reinforcement...
The determination of minimum longitudinal reinforcement ratio of flexural concrete members in Code for Design of Concrete Structures (GB 500102002) is presented in this paper.And this paper compares the limit of the minimum longitudinal reinforcement...
2010, 40(1): 87-91.
doi: 10.13204/j.gyjz201001022
Abstract:
Frost damage appeared in concrete after freezing and thawing,its mass loss was increased,while ultrasonic velocity,compressive strength and splitting strength were decreased.With the increasing of freezing and thawing cycles,the bond strength between...
Frost damage appeared in concrete after freezing and thawing,its mass loss was increased,while ultrasonic velocity,compressive strength and splitting strength were decreased.With the increasing of freezing and thawing cycles,the bond strength between...
2010, 40(1): 92-97.
doi: 10.13204/j.gyjz201001023
Abstract:
To study the load transfer mechanism of bonded rebars including slip of two interfaces,the bonded rebars system of steel sleeve was studied by nonlinear FE analysis method.In the bonded rebars system of steel sleeve,because the material of steel slee...
To study the load transfer mechanism of bonded rebars including slip of two interfaces,the bonded rebars system of steel sleeve was studied by nonlinear FE analysis method.In the bonded rebars system of steel sleeve,because the material of steel slee...
2010, 40(1): 98-101.
doi: 10.13204/j.gyjz201001024
Abstract:
In recent years,the integrated ground anchorages technologies have been developed in our country,in order to adapt to the rapid development needs of the construction projects such as civil engineering,water conservancy and hydropower,mining and build...
In recent years,the integrated ground anchorages technologies have been developed in our country,in order to adapt to the rapid development needs of the construction projects such as civil engineering,water conservancy and hydropower,mining and build...
2010, 40(1): 102-106.
doi: 10.13204/j.gyjz201001025
Abstract:
In order to study the mechanical performance of internal stretch forming lattice structure (ISFL) being influenced by forming method,two methods one is tensioning group by group and the other is tensioning simultaneously step by step,were put forward...
In order to study the mechanical performance of internal stretch forming lattice structure (ISFL) being influenced by forming method,two methods one is tensioning group by group and the other is tensioning simultaneously step by step,were put forward...
2010, 40(1): 107-111,45.
doi: 10.13204/j.gyjz201001026
Abstract:
By ANSYS program analysis,stability capacity was computed for circular tube beam-columns under axial compressive force and various biaxial end-moments with different distributions.The comparison of numerical results with the interaction formula in cu...
By ANSYS program analysis,stability capacity was computed for circular tube beam-columns under axial compressive force and various biaxial end-moments with different distributions.The comparison of numerical results with the interaction formula in cu...
2010, 40(1): 112-115.
doi: 10.13204/j.gyjz201001027
Abstract:
Based on the results of axial compressive tests of lightweight aggregate concrete filled steel tube (LACFST) columns,the influence of slenderness ratio on failure mode and bearing capacity are studied.The bound slenderness ratio and stability factor ...
Based on the results of axial compressive tests of lightweight aggregate concrete filled steel tube (LACFST) columns,the influence of slenderness ratio on failure mode and bearing capacity are studied.The bound slenderness ratio and stability factor ...
2010, 40(1): 116-119,130.
doi: 10.13204/j.gyjz201001028
Abstract:
Through a basemen trebuilding and reinforcement project, this article introduced the application of Underpinning technique in a basement rebuilding project from theoretical analysis and engineering practice. First of all, this article disscussed the ...
Through a basemen trebuilding and reinforcement project, this article introduced the application of Underpinning technique in a basement rebuilding project from theoretical analysis and engineering practice. First of all, this article disscussed the ...
2010, 40(1): 120-123.
doi: 10.13204/j.gyjz201001029
Abstract:
Through a basement rebuilding and reinforcement project,this article introduced the application of Underpinning technique in a basement rebuilding project from theoretical analysis and engineering practice.First of all,this article disscussed the res...
Through a basement rebuilding and reinforcement project,this article introduced the application of Underpinning technique in a basement rebuilding project from theoretical analysis and engineering practice.First of all,this article disscussed the res...
2010, 40(1): 124-126.
doi: 10.13204/j.gyjz201001030
Abstract:
A theoretical exploration discussion of the architectural style is done by actual analysis of design of a factory building,and a typical form of elevation of a factory building is formed.At the same time,a special design method of wall construction i...
A theoretical exploration discussion of the architectural style is done by actual analysis of design of a factory building,and a typical form of elevation of a factory building is formed.At the same time,a special design method of wall construction i...
2010, 40(1): 127-130.
doi: 10.13204/j.gyjz201001031
Abstract:
By discussing the functional sub area,organizing form and feature,it is analyzed the necessity and the problems of the detailed design of small apartments.Besides,on the purpose of consummating function,converting negative room to positive space and ...
By discussing the functional sub area,organizing form and feature,it is analyzed the necessity and the problems of the detailed design of small apartments.Besides,on the purpose of consummating function,converting negative room to positive space and ...
2010, 40(1): 131-134.
doi: 10.13204/j.gyjz201001032
Abstract:
Although here are same regionalism crises faced by both China and Latin America,the architects in this area had not been noticed by most of us.Many of them became famous in China these years just because of their awards in some world-class elections....
Although here are same regionalism crises faced by both China and Latin America,the architects in this area had not been noticed by most of us.Many of them became famous in China these years just because of their awards in some world-class elections....
