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2008 Vol. 38, No. 8
Display Method:
2008, 38(8): 1-5.
doi: 10.13204/j.gyjz200808001
Abstract:
Based on the Cam-clay model,the outstanding characteristics of the unified hardening model(UH model) are that the UH parameter is used to describe the stress dilatancy and the transformed stress tensors is used to exhibit the behaviour of clays in th...
Based on the Cam-clay model,the outstanding characteristics of the unified hardening model(UH model) are that the UH parameter is used to describe the stress dilatancy and the transformed stress tensors is used to exhibit the behaviour of clays in th...
2008, 38(8): 6-9.
doi: 10.13204/j.gyjz200808002
Abstract:
An inherent anisotropic unified hardening model for soils was presented using an anisotropic parameter .The inherent anisotropy of soils can be processed as isotropy transforming its stresses into the equivalent isotropic soil. Parameter can be obtai...
An inherent anisotropic unified hardening model for soils was presented using an anisotropic parameter .The inherent anisotropy of soils can be processed as isotropy transforming its stresses into the equivalent isotropic soil. Parameter can be obtai...
2008, 38(8): 10-13,20.
doi: 10.13204/j.gyjz200808003
Abstract:
A mixed strain hardening constitutive model,which can describe the induced anisotropy of soils,is proposed combining the rotational hardening mechanism with the unified hardening model.The drained stress path for clay and the undrained stress path fo...
A mixed strain hardening constitutive model,which can describe the induced anisotropy of soils,is proposed combining the rotational hardening mechanism with the unified hardening model.The drained stress path for clay and the undrained stress path fo...
2008, 38(8): 14-16,58.
doi: 10.13204/j.gyjz200808004
Abstract:
Based on the subloading yield surface and the Cam-clay model,the proposed unified hardening model is used to describe the characteristics for over-consolidated clay with structure,including strain hardening,strain softening and stress dilatancy.The c...
Based on the subloading yield surface and the Cam-clay model,the proposed unified hardening model is used to describe the characteristics for over-consolidated clay with structure,including strain hardening,strain softening and stress dilatancy.The c...
2008, 38(8): 17-20.
doi: 10.13204/j.gyjz200808005
Abstract:
Based on the particle crushing of granular material,which affects the mechanical characteristic of stress dilatancy,and the power function used to describe the characteristic stress ratio,it is developed that the yield surface and its expression of t...
Based on the particle crushing of granular material,which affects the mechanical characteristic of stress dilatancy,and the power function used to describe the characteristic stress ratio,it is developed that the yield surface and its expression of t...
2008, 38(8): 21-24.
doi: 10.13204/j.gyjz200808006
Abstract:
The unified hardening model for over-consolidated clays(for short as UH model) can simulate many characteristics of over-consolidated clays well,including stress-strain relationships,stress dilatancy,strain hardening and softening, and path dependenc...
The unified hardening model for over-consolidated clays(for short as UH model) can simulate many characteristics of over-consolidated clays well,including stress-strain relationships,stress dilatancy,strain hardening and softening, and path dependenc...
2008, 38(8): 25-27,113.
doi: 10.13204/j.gyjz200808007
Abstract:
The original unified hardening model(UH model) is established based on the linear relation of v-lnp under isotropic consolidation.As the linear relation of v-lnp has some theoretical shortcomings,a modified UH model is deduced based on the linear rel...
The original unified hardening model(UH model) is established based on the linear relation of v-lnp under isotropic consolidation.As the linear relation of v-lnp has some theoretical shortcomings,a modified UH model is deduced based on the linear rel...
2008, 38(8): 28-30.
doi: 10.13204/j.gyjz200808008
Abstract:
The development of economy accelerates the process of urbanization,and leads to the vanishing of urban culture and,at the same time,makes the desertification of urban culture become more severe day by day.In facing with the(citys) desertification,it ...
The development of economy accelerates the process of urbanization,and leads to the vanishing of urban culture and,at the same time,makes the desertification of urban culture become more severe day by day.In facing with the(citys) desertification,it ...
2008, 38(8): 31-34.
doi: 10.13204/j.gyjz200808009
Abstract:
Inspired by the successful renovation of old industrial buildings in abroad,the old industrial buildings in China are no longer be abandoned without any consideration.Taking the renovation of old industrial buildings in Shanghai Expo Garden for examp...
Inspired by the successful renovation of old industrial buildings in abroad,the old industrial buildings in China are no longer be abandoned without any consideration.Taking the renovation of old industrial buildings in Shanghai Expo Garden for examp...
2008, 38(8): 35-38,34.
doi: 10.13204/j.gyjz200808010
Abstract:
Developing solar buildings,it is an effective approach to realizing the strategic objective of energy saving and emission reduction in the architecture field of China.The instability of the energy supply in the solar energy utilization is one of the ...
Developing solar buildings,it is an effective approach to realizing the strategic objective of energy saving and emission reduction in the architecture field of China.The instability of the energy supply in the solar energy utilization is one of the ...
2008, 38(8): 39-41,45.
doi: 10.13204/j.gyjz200808011
Abstract:
Two wind load bearing schemes for the new building structure are firstly advanced.The idea of setting additive column in this new building structure is firstly proposed.Based on the two load-bearing schemes,the effect of the stiffness of additive col...
Two wind load bearing schemes for the new building structure are firstly advanced.The idea of setting additive column in this new building structure is firstly proposed.Based on the two load-bearing schemes,the effect of the stiffness of additive col...
2008, 38(8): 42-45.
doi: 10.13204/j.gyjz200808012
Abstract:
This paper analyses nonlinear behaviors and seismic performances of 4 unbonded post-tensioned precast concrete beams with ADINA finite element software.The gap opening/closing,stress distribution,specimen deformation,the hysteresis framework relation...
This paper analyses nonlinear behaviors and seismic performances of 4 unbonded post-tensioned precast concrete beams with ADINA finite element software.The gap opening/closing,stress distribution,specimen deformation,the hysteresis framework relation...
2008, 38(8): 46-49,82.
doi: 10.13204/j.gyjz200808013
Abstract:
Low-cyclic loading tests were made on two RC frame structures,each of which was made up of two L section and one T section columns.Several aspects,such as the test phenomena,failure characters,hysteretic curves and deformation performances,are descri...
Low-cyclic loading tests were made on two RC frame structures,each of which was made up of two L section and one T section columns.Several aspects,such as the test phenomena,failure characters,hysteretic curves and deformation performances,are descri...
2008, 38(8): 50-53,108.
doi: 10.13204/j.gyjz200808014
Abstract:
Through the three-point bending test on notched beams of steel fiber reinforced high-strength concrete(SFHSC) with the relative notch depth of 0.2,0.3,0.4 and 0.5,the effect of the steel fiber volume fraction upon fracture properties of high strength...
Through the three-point bending test on notched beams of steel fiber reinforced high-strength concrete(SFHSC) with the relative notch depth of 0.2,0.3,0.4 and 0.5,the effect of the steel fiber volume fraction upon fracture properties of high strength...
2008, 38(8): 54-58.
doi: 10.13204/j.gyjz200808015
Abstract:
Geometrically similar three-point bending beams with straight-through crack were prepared for concrete of two compositions.Through MTS 815 material test machine,mechanical parameters of two concretes were tested,and load vs.LPD(load point displacemen...
Geometrically similar three-point bending beams with straight-through crack were prepared for concrete of two compositions.Through MTS 815 material test machine,mechanical parameters of two concretes were tested,and load vs.LPD(load point displacemen...
2008, 38(8): 59-62,98.
doi: 10.13204/j.gyjz200808016
Abstract:
The influence of water-cement ratio on performance of grouts is studied,the mechanism of admixture to improve performance of grouts are analysed and the grouts'resistance to chloride ion erosion is studied by total chloride ion content,electric charg...
The influence of water-cement ratio on performance of grouts is studied,the mechanism of admixture to improve performance of grouts are analysed and the grouts'resistance to chloride ion erosion is studied by total chloride ion content,electric charg...
2008, 38(8): 63-66,85.
doi: 10.13204/j.gyjz200808017
Abstract:
The relationships between the critical chloride concentration in marine concrete,the chloride diffusion coefficient of concrete and the water cement ratio,temperature of environment are established.The chloride concentration near surface of the steel...
The relationships between the critical chloride concentration in marine concrete,the chloride diffusion coefficient of concrete and the water cement ratio,temperature of environment are established.The chloride concentration near surface of the steel...
2008, 38(8): 67-72.
doi: 10.13204/j.gyjz200808018
Abstract:
Nine angle-steel concrete columns(ASCC) under low cyclic loading are tested,whose axial compression ratio n_0 and stirrup ratio of steel plate stirrup _(sv) are 0.33～0.42 and 1.18%～2.09% respectively.The test results show that the large eccentric fai...
Nine angle-steel concrete columns(ASCC) under low cyclic loading are tested,whose axial compression ratio n_0 and stirrup ratio of steel plate stirrup _(sv) are 0.33～0.42 and 1.18%～2.09% respectively.The test results show that the large eccentric fai...
2008, 38(8): 73-77.
doi: 10.13204/j.gyjz200808019
Abstract:
The experimental results of 62 specimens with 550 MPa high strength cold-formed thin-wall steel under axial compression are analyzed by direct strength method(DSM).The bearing capacities of high strength cold-formed thin-walled steel columns under ax...
The experimental results of 62 specimens with 550 MPa high strength cold-formed thin-wall steel under axial compression are analyzed by direct strength method(DSM).The bearing capacities of high strength cold-formed thin-walled steel columns under ax...
2008, 38(8): 78-82.
doi: 10.13204/j.gyjz200808020
Abstract:
The experimental study on the 9 short CFST columns is conducted.On the basis of which,firstly,the failure phenomenon and mechanism analysis are conducted;then,the influence of the concrete strength,slenderness ratio and eccentricity ratio on the mech...
The experimental study on the 9 short CFST columns is conducted.On the basis of which,firstly,the failure phenomenon and mechanism analysis are conducted;then,the influence of the concrete strength,slenderness ratio and eccentricity ratio on the mech...
2008, 38(8): 83-85.
doi: 10.13204/j.gyjz200808021
Abstract:
Through an experiment on profiled steel sheet-light-weight aggregate concrete floor shabs,it is researched that the bearing and deforming capability,which are compared with the ordinary concrete composite slabs.It is verified the applicability of the...
Through an experiment on profiled steel sheet-light-weight aggregate concrete floor shabs,it is researched that the bearing and deforming capability,which are compared with the ordinary concrete composite slabs.It is verified the applicability of the...
2008, 38(8): 86-88.
doi: 10.13204/j.gyjz200808022
Abstract:
The optimal design of single-span portal frame is a design with geometric and physical restrictions.Using penalty function well solves the problems resulting from optimal design of the single-span tapered portal frame,and satisfactory results are got...
The optimal design of single-span portal frame is a design with geometric and physical restrictions.Using penalty function well solves the problems resulting from optimal design of the single-span tapered portal frame,and satisfactory results are got...
2008, 38(8): 89-91.
doi: 10.13204/j.gyjz200808023
Abstract:
According to the experimental data on 343 reinforced concrete beams without web reinforcement under concentrated load,formulas to calculate the mean shear strength of reinforced concrete beams without web reinforcement respectively with f_c,f_t and f...
According to the experimental data on 343 reinforced concrete beams without web reinforcement under concentrated load,formulas to calculate the mean shear strength of reinforced concrete beams without web reinforcement respectively with f_c,f_t and f...
2008, 38(8): 92-95.
doi: 10.13204/j.gyjz200808024
Abstract:
The Science Chamber in Tsinghua University is one of the most important architectures in recent China.It is made a introduction to the project's historical background,feasibility analysis,investigation,detection and some necessary researches respecti...
The Science Chamber in Tsinghua University is one of the most important architectures in recent China.It is made a introduction to the project's historical background,feasibility analysis,investigation,detection and some necessary researches respecti...
2008, 38(8): 96-98.
doi: 10.13204/j.gyjz200808025
Abstract:
A new composite material named Fiber Reinforced Polymer is used in the strengthening field of civil engineering widely.This new strengthened technology using prestress(called prestressed reinforcement) can availably develop the strong capacity of FRP...
A new composite material named Fiber Reinforced Polymer is used in the strengthening field of civil engineering widely.This new strengthened technology using prestress(called prestressed reinforcement) can availably develop the strong capacity of FRP...
2008, 38(8): 99-101,105.
doi: 10.13204/j.gyjz200808026
Abstract:
The building of car-dumping machine is a larger-span steel bent frame structure,where bridge crane is erected.Before technical reform,a reliability appraisal of the building's superstructure is done and a conclusion is also proposed.Finally,rational ...
The building of car-dumping machine is a larger-span steel bent frame structure,where bridge crane is erected.Before technical reform,a reliability appraisal of the building's superstructure is done and a conclusion is also proposed.Finally,rational ...
2008, 38(8): 102-105.
doi: 10.13204/j.gyjz200808027
Abstract:
Treatment schemes are put forward to solve the problems which exist in prestressed concrete crane girders according to real work condition.Through comparing and selecting the initial treatment schemes,sticking to CFRP sheets is chosen to strengthen c...
Treatment schemes are put forward to solve the problems which exist in prestressed concrete crane girders according to real work condition.Through comparing and selecting the initial treatment schemes,sticking to CFRP sheets is chosen to strengthen c...
2008, 38(8): 106-108.
doi: 10.13204/j.gyjz200808028
Abstract:
Based on analyzing the reasons of temperature cracks on blockwork,it is proposed that preventative measures to control temperature cracks in design,and methods of treating these cracks structure.
Based on analyzing the reasons of temperature cracks on blockwork,it is proposed that preventative measures to control temperature cracks in design,and methods of treating these cracks structure.
2008, 38(8): 109-113.
doi: 10.13204/j.gyjz200808029
Abstract:
By the no-joint design of a 103 m long sickroom building,it is analyzed the tensile stress caused by concrete shrinkage and temperature decreasing,also put forward a series of techniques to control the cracks.Post-poured strip was used to enhance the...
By the no-joint design of a 103 m long sickroom building,it is analyzed the tensile stress caused by concrete shrinkage and temperature decreasing,also put forward a series of techniques to control the cracks.Post-poured strip was used to enhance the...
2008, 38(8): 114-116.
doi: 10.13204/j.gyjz200808030
Abstract:
Based on analysis of Bottas industrial architecture works and speech,it is narrated the uses of Bottas theories of geometric prototype,remolding sites and returning to origin in the design of industrial architecture space,which strive to arouse build...
Based on analysis of Bottas industrial architecture works and speech,it is narrated the uses of Bottas theories of geometric prototype,remolding sites and returning to origin in the design of industrial architecture space,which strive to arouse build...
