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2011 Vol. 41, No. 1
Display Method:
2011, 41(1): 1-5,36.
doi: 10.13204/j.gyjz201101001
Abstract:
For application purposes,based on the existing research results and experimental analysis and engineering experience,it was analyzed the high formwork support inner properties,lateral stability of single upright stanchion and the entire system.Hierar...
For application purposes,based on the existing research results and experimental analysis and engineering experience,it was analyzed the high formwork support inner properties,lateral stability of single upright stanchion and the entire system.Hierar...
2011, 41(1): 6-10,32.
doi: 10.13204/j.gyjz201101002
Abstract:
Design and calculation methods of integral-lift scaffolds were comprehensively discussed in the paper.Design and calculation of integral-lift scaffolds included the main structures and the lifting equipments under the three cases such as working,lift...
Design and calculation methods of integral-lift scaffolds were comprehensively discussed in the paper.Design and calculation of integral-lift scaffolds included the main structures and the lifting equipments under the three cases such as working,lift...
2011, 41(1): 11-14,18.
doi: 10.13204/j.gyjz201101003
Abstract:
In the calculation of stability bearing capacity of scaffold steel tubes,the stability factor of axial compression members mostly still uses the value in the GB 500182002Technical Code of Cold-Formed Thin-Wall Steel Structures.The data show that ther...
In the calculation of stability bearing capacity of scaffold steel tubes,the stability factor of axial compression members mostly still uses the value in the GB 500182002Technical Code of Cold-Formed Thin-Wall Steel Structures.The data show that ther...
2011, 41(1): 15-18.
doi: 10.13204/j.gyjz201101004
Abstract:
According to actual construction detection,inspecting the variation of axial force of the strut is a effectual method for insuring safety of high form strut system of formwork.Based on an on-site detection experiment of a projects high form strut sys...
According to actual construction detection,inspecting the variation of axial force of the strut is a effectual method for insuring safety of high form strut system of formwork.Based on an on-site detection experiment of a projects high form strut sys...
2011, 41(1): 19-22.
doi: 10.13204/j.gyjz201101005
Abstract:
In China and even world-wide,the method of statics is often use statics point of view to design the formwork support system,which is one of the important factors that leads to collapse of high formwork construction.In order to reflect the real condit...
In China and even world-wide,the method of statics is often use statics point of view to design the formwork support system,which is one of the important factors that leads to collapse of high formwork construction.In order to reflect the real condit...
2011, 41(1): 23-25.
doi: 10.13204/j.gyjz201101006
Abstract:
The paper constructed the model of the Tube and Couple Scaffold(TCS) system about projects by investigating the spot and making use of SAP 2000 finite element analysis software,and obtained an optimization scheme which erected lateral bracing through...
The paper constructed the model of the Tube and Couple Scaffold(TCS) system about projects by investigating the spot and making use of SAP 2000 finite element analysis software,and obtained an optimization scheme which erected lateral bracing through...
2011, 41(1): 26-28,56.
doi: 10.13204/j.gyjz201101007
Abstract:
Attached self-lifting scaffolds are widely used in construction of high buildings.Machine position load will re-distributed when attached lifting scaffolding are lifted asynchronously,some members or some machine parts will be overloaded and form inc...
Attached self-lifting scaffolds are widely used in construction of high buildings.Machine position load will re-distributed when attached lifting scaffolding are lifted asynchronously,some members or some machine parts will be overloaded and form inc...
CONSTRUCTION TECHNIQUE OF VARIABLE FORMWORK FOR YICHANG WASTE WATER TREATMENT DIGESTION TANK PROJECT
2011, 41(1): 29-32.
doi: 10.13204/j.gyjz201101008
Abstract:
In view of the characteristic of hyperboloid structure of digestion tank space,formwork system,which consists of adjustable steel formwork unit,annular thread steel bars back support,radioactive amplitude bar rack,new type counterpulling bolt bar,can...
In view of the characteristic of hyperboloid structure of digestion tank space,formwork system,which consists of adjustable steel formwork unit,annular thread steel bars back support,radioactive amplitude bar rack,new type counterpulling bolt bar,can...
2011, 41(1): 33-36.
doi: 10.13204/j.gyjz201101009
Abstract:
In the construction of the Pudong New Library project,a new type formwork system,which was the columnar formwork made by paper,was used in construction of fair-faced concrete column.The paper columnar formwork was wrapped by multilayer special water-...
In the construction of the Pudong New Library project,a new type formwork system,which was the columnar formwork made by paper,was used in construction of fair-faced concrete column.The paper columnar formwork was wrapped by multilayer special water-...
2011, 41(1): 37-40.
doi: 10.13204/j.gyjz201101010
Abstract:
In order to prevent more casualty and loss in scaffold accidents in China,this paper mainly analyzed the problems of engineering construction and scaffold industry in China.Taking major scaffold accidents occurred in China for example,the paper also ...
In order to prevent more casualty and loss in scaffold accidents in China,this paper mainly analyzed the problems of engineering construction and scaffold industry in China.Taking major scaffold accidents occurred in China for example,the paper also ...
2011, 41(1): 41-43,67.
doi: 10.13204/j.gyjz201101011
Abstract:
This paper described connotation of the scientific development concept,it was analyzed the experiences and lessons of the western developed countries in the process of urban development and also analyzed the issues that appeared in Chinas current urb...
This paper described connotation of the scientific development concept,it was analyzed the experiences and lessons of the western developed countries in the process of urban development and also analyzed the issues that appeared in Chinas current urb...
2011, 41(1): 44-46,50.
doi: 10.13204/j.gyjz201101012
Abstract:
Taking an existing public building energy efficiency retrofit for example,compared the annual electricity consumption and the electricity consumption for each item before and after retrofit;and the energy efficiency effects corresponding to the diffe...
Taking an existing public building energy efficiency retrofit for example,compared the annual electricity consumption and the electricity consumption for each item before and after retrofit;and the energy efficiency effects corresponding to the diffe...
2011, 41(1): 47-50.
doi: 10.13204/j.gyjz201101013
Abstract:
It was analysed the problem of lacking of design direction and those of human life including social,ecological and resource issues and so on.It was also proposed strategies for the prevention and cope with to the crisis of public space caused by the ...
It was analysed the problem of lacking of design direction and those of human life including social,ecological and resource issues and so on.It was also proposed strategies for the prevention and cope with to the crisis of public space caused by the ...
2011, 41(1): 51-56.
doi: 10.13204/j.gyjz201101014
Abstract:
In the procedure of modal pushover analysis,non-linear time-history analysis is not so operative and its analytical result is unstable,the capacity-spectrum theory is used to take the place of dynamic time-history anslysis.Converting the acceleration...
In the procedure of modal pushover analysis,non-linear time-history analysis is not so operative and its analytical result is unstable,the capacity-spectrum theory is used to take the place of dynamic time-history anslysis.Converting the acceleration...
2011, 41(1): 57-63.
doi: 10.13204/j.gyjz201101015
Abstract:
Firstly,the face-to-face central impact experiments with 30 couples of concrete cubic blocks were performed using a pendulum test system and a drop weight test system.Then the experimental processes were recurred by the finite element code LS-DYNA,an...
Firstly,the face-to-face central impact experiments with 30 couples of concrete cubic blocks were performed using a pendulum test system and a drop weight test system.Then the experimental processes were recurred by the finite element code LS-DYNA,an...
2011, 41(1): 64-67.
doi: 10.13204/j.gyjz201101016
Abstract:
The oblique match-beams are the vital supporting members in a new-type full precast concrete frame structure.In order to obtain the ultimate bearing capacity of oblique match-beams with rigid scarf joint,various failure modes were analyzed with shear...
The oblique match-beams are the vital supporting members in a new-type full precast concrete frame structure.In order to obtain the ultimate bearing capacity of oblique match-beams with rigid scarf joint,various failure modes were analyzed with shear...
2011, 41(1): 68-72.
doi: 10.13204/j.gyjz201101017
Abstract:
Based on the ACI 209 method for predicting the creep and shrinkage of concrete,a study was conducted using age-adjusted effective modulus method to evaluate the deformation and stress redistribution of the long-term axially loaded concrete columns re...
Based on the ACI 209 method for predicting the creep and shrinkage of concrete,a study was conducted using age-adjusted effective modulus method to evaluate the deformation and stress redistribution of the long-term axially loaded concrete columns re...
2011, 41(1): 73-76,92.
doi: 10.13204/j.gyjz201101018
Abstract:
In this paper,a new kind of prestressed precast hybrid coupled wall(PPHSW) was proposed.Study was carried out with a computer program developed based on th finite element DRAIN-2DX.The results indicated that tension order has nothing to do with the a...
In this paper,a new kind of prestressed precast hybrid coupled wall(PPHSW) was proposed.Study was carried out with a computer program developed based on th finite element DRAIN-2DX.The results indicated that tension order has nothing to do with the a...
2011, 41(1): 77-81,85.
doi: 10.13204/j.gyjz201101019
Abstract:
Aimed at grasping the deformation properties of soft rock in the Three Gorges Reservoir Area,a study on the creep properties of T2 b2 purple siltite in different moisture state was carried out.The fresh T2 b2 siltite for test was collected from Taosh...
Aimed at grasping the deformation properties of soft rock in the Three Gorges Reservoir Area,a study on the creep properties of T2 b2 purple siltite in different moisture state was carried out.The fresh T2 b2 siltite for test was collected from Taosh...
2011, 41(1): 82-85.
doi: 10.13204/j.gyjz201101020
Abstract:
Creep deformation of undisturbed and reconstituted clay was studied based on drained triaxial compression tests.Creep tests were performed several times during monotonic primary loading,unloading and reloading.Test results show:1) the creep deformati...
Creep deformation of undisturbed and reconstituted clay was studied based on drained triaxial compression tests.Creep tests were performed several times during monotonic primary loading,unloading and reloading.Test results show:1) the creep deformati...
2011, 41(1): 86-92.
doi: 10.13204/j.gyjz201101021
Abstract:
Liuyanghe Tunnel is the first shallow,small spacing underwater road tunnel by mining method in China,bench cut method was adopted and circular section steel frame was used as one of primary support measures in construction.The loading state of the ar...
Liuyanghe Tunnel is the first shallow,small spacing underwater road tunnel by mining method in China,bench cut method was adopted and circular section steel frame was used as one of primary support measures in construction.The loading state of the ar...
2011, 41(1): 93-96,138.
doi: 10.13204/j.gyjz201101022
Abstract:
Micropiles commonly use pressure grouting method,which influences the uplift capacity of micropiles.In this paper,field tests about influence of pressure grouting on uplift capacity of micropiles were reported.Study shows that the uplift capacity of ...
Micropiles commonly use pressure grouting method,which influences the uplift capacity of micropiles.In this paper,field tests about influence of pressure grouting on uplift capacity of micropiles were reported.Study shows that the uplift capacity of ...
2011, 41(1): 97-100,129.
doi: 10.13204/j.gyjz201101023
Abstract:
Six self-compacting concrete beams and two corresponding ordinary concrete beams of two different strength grades were used to study anti-bending properties of concrete freely supported beams.The results show: 1)the mean of the experimental data of u...
Six self-compacting concrete beams and two corresponding ordinary concrete beams of two different strength grades were used to study anti-bending properties of concrete freely supported beams.The results show: 1)the mean of the experimental data of u...
2011, 41(1): 101-104,119.
doi: 10.13204/j.gyjz201101024
Abstract:
Through the compressive experiments on the cubic and prismatic specimens respectively,the influences of temperature,slag powder content,steel fiber volume ratio,polypropylene fiber content and concrete strength grade on compressive strength after hig...
Through the compressive experiments on the cubic and prismatic specimens respectively,the influences of temperature,slag powder content,steel fiber volume ratio,polypropylene fiber content and concrete strength grade on compressive strength after hig...
2011, 41(1): 105-111.
doi: 10.13204/j.gyjz201101025
Abstract:
This paper described the research status on durability of post-tensioned concrete both at home bridges domestic and abroad.It analysed the reasons of corrosions of bridges and works out some available measures for durability.To improve the durability...
This paper described the research status on durability of post-tensioned concrete both at home bridges domestic and abroad.It analysed the reasons of corrosions of bridges and works out some available measures for durability.To improve the durability...
2011, 41(1): 111-119.
doi: 10.13204/j.gyjz201101026
Abstract:
Reduced beam section connection(RBS) can make plastic hinge away from the beam and column interface,improve ductility of the structure and reach the purpose of seismic design of the connections.Element stiffness matrix and rotational displacement equ...
Reduced beam section connection(RBS) can make plastic hinge away from the beam and column interface,improve ductility of the structure and reach the purpose of seismic design of the connections.Element stiffness matrix and rotational displacement equ...
2011, 41(1): 120-123.
doi: 10.13204/j.gyjz201101027
Abstract:
Based on steel frame structure and frame-brace structure,a new type of structure-prestress-mega-braced steel frame was presented.Firstly it was analyzed work principle of prestressed mega brace,then the rule of initial prestress value was proposed,fu...
Based on steel frame structure and frame-brace structure,a new type of structure-prestress-mega-braced steel frame was presented.Firstly it was analyzed work principle of prestressed mega brace,then the rule of initial prestress value was proposed,fu...
2011, 41(1): 124-129.
doi: 10.13204/j.gyjz201101028
Abstract:
Based on random vibration theory,a wind power spectral analysis method in the frequency domain was used to analyze the wind induced vibration of long-span gable roofs supported by steel truss in this paper.The Davenport wind spectrum was used to calc...
Based on random vibration theory,a wind power spectral analysis method in the frequency domain was used to analyze the wind induced vibration of long-span gable roofs supported by steel truss in this paper.The Davenport wind spectrum was used to calc...
2011, 41(1): 130-135.
doi: 10.13204/j.gyjz201101029
Abstract:
The effective section method is used for design of cold-formed steel members,in which the effect local buckling on the deflections of members is taken into account in the design codes of most foreign countries.Because the ratio of width to thickness ...
The effective section method is used for design of cold-formed steel members,in which the effect local buckling on the deflections of members is taken into account in the design codes of most foreign countries.Because the ratio of width to thickness ...
2011, 41(1): 136-138.
doi: 10.13204/j.gyjz201101030
Abstract:
The design of multistory masonry structure is particular important,because it is one type of the most practical constructions in our country.GB 50011-2001Code for Seismic Design of Buildingsis the design code for anti-seismic zone and GB 50003-2001Co...
The design of multistory masonry structure is particular important,because it is one type of the most practical constructions in our country.GB 50011-2001Code for Seismic Design of Buildingsis the design code for anti-seismic zone and GB 50003-2001Co...
2011, 41(1): 139-141,25.
doi: 10.13204/j.gyjz201101031
Abstract:
Xiange Elementary School in Dujiangyan city as a case of post-earthquake reconstruction after wenchuan Earthquake in 2008 was introduced.It was introduced the new technologies,light gauge wood frame structure used in the school buildings for safety a...
Xiange Elementary School in Dujiangyan city as a case of post-earthquake reconstruction after wenchuan Earthquake in 2008 was introduced.It was introduced the new technologies,light gauge wood frame structure used in the school buildings for safety a...
