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2010 Vol. 40, No. 2
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2010, 40(2): 1-6.
doi: 10.13204/j.gyjz201002001
Abstract:
National standard of tall falsework has been not officially promulgated at present,and there is not an unified standard in design and construction of a tall falsework,which causes tall falsework to collapse sometimes.It is analyzed that the present c...
National standard of tall falsework has been not officially promulgated at present,and there is not an unified standard in design and construction of a tall falsework,which causes tall falsework to collapse sometimes.It is analyzed that the present c...
2010, 40(2): 7-11.
doi: 10.13204/j.gyjz201002002
Abstract:
The stability bearing capacity of a coupler steel tube falsework is affected by tectonic factors.Through the establishment of the three-dimensional finite element model of falsework,it is explored that effects of longitudinal and lateral distances,th...
The stability bearing capacity of a coupler steel tube falsework is affected by tectonic factors.Through the establishment of the three-dimensional finite element model of falsework,it is explored that effects of longitudinal and lateral distances,th...
2010, 40(2): 12-16.
doi: 10.13204/j.gyjz201002003
Abstract:
On the basis of the studies on coupler steel tube falsework by previous researches model is set up by investigating the spot and making use of finite element analysis software,and it analyses the mechanism deeply that how the constitution factors eff...
On the basis of the studies on coupler steel tube falsework by previous researches model is set up by investigating the spot and making use of finite element analysis software,and it analyses the mechanism deeply that how the constitution factors eff...
2010, 40(2): 17-19,27.
doi: 10.13204/j.gyjz201002004
Abstract:
Based on the study on ultimate strength test of full-size falsework in 5 different operating conditions,and by the introduction of a stable bearing capacity test of the falsework,a three-dimensional finite element model is set up,with which the effec...
Based on the study on ultimate strength test of full-size falsework in 5 different operating conditions,and by the introduction of a stable bearing capacity test of the falsework,a three-dimensional finite element model is set up,with which the effec...
2010, 40(2): 20-23.
doi: 10.13204/j.gyjz201002005
Abstract:
Based on the semi-rigid joint experiment,it was gained the formula of initial torsion stiffness R_k and bolt tightening moment T of right-angle coupler.On the basis of considering semi-rigid joint,it is indicated that it is rational to use imaginary ...
Based on the semi-rigid joint experiment,it was gained the formula of initial torsion stiffness R_k and bolt tightening moment T of right-angle coupler.On the basis of considering semi-rigid joint,it is indicated that it is rational to use imaginary ...
2010, 40(2): 24-27.
doi: 10.13204/j.gyjz201002006
Abstract:
This paper studied the torsional rigidity of couplers for right angle intersection members of falsework,which were characterized by semi-rigid joint.It was showed that initial torsion stiffness R_k and two parameters(M-) logarithmic nonlinear model o...
This paper studied the torsional rigidity of couplers for right angle intersection members of falsework,which were characterized by semi-rigid joint.It was showed that initial torsion stiffness R_k and two parameters(M-) logarithmic nonlinear model o...
2010, 40(2): 28-31.
doi: 10.13204/j.gyjz201002007
Abstract:
To study mechanical properties of coupler steel pipe falsework,it was conducted a series of full-scale researches on the spatial structure of the falsework,and it was obtained that the ultimate bearing capacity of the falsework under different condit...
To study mechanical properties of coupler steel pipe falsework,it was conducted a series of full-scale researches on the spatial structure of the falsework,and it was obtained that the ultimate bearing capacity of the falsework under different condit...
2010, 40(2): 32-35.
doi: 10.13204/j.gyjz201002008
Abstract:
According to the tracking and monitoring of all course loading of specimens under 5 conditions,it is analysed distortion characteristic of integral frame and local vertical bars.The results show that the support have obvious lateral displacement of d...
According to the tracking and monitoring of all course loading of specimens under 5 conditions,it is analysed distortion characteristic of integral frame and local vertical bars.The results show that the support have obvious lateral displacement of d...
2010, 40(2): 36-41.
doi: 10.13204/j.gyjz201002009
Abstract:
Using the method of integration hand loading with electrical measurement,it was done a tracking record of the whole model's structural instability and stress change in the structural factors of the coupler steel tube falsework.And then the paper deta...
Using the method of integration hand loading with electrical measurement,it was done a tracking record of the whole model's structural instability and stress change in the structural factors of the coupler steel tube falsework.And then the paper deta...
2010, 40(2): 42-46.
doi: 10.13204/j.gyjz201002010
Abstract:
In this paper,a survey on loads of supporting structure for tall and large falsework during construction has been conducted.It is found that the deadweight of new-cast concrete obeying normal distribution.Although there is fluctuation in the average ...
In this paper,a survey on loads of supporting structure for tall and large falsework during construction has been conducted.It is found that the deadweight of new-cast concrete obeying normal distribution.Although there is fluctuation in the average ...
2010, 40(2): 47-50,54.
doi: 10.13204/j.gyjz201002011
Abstract:
Generally,a coupler steel tube falsework just bears the vertical loads,however,in some structure construction,the falsework should carry a horizontal load from lateral concrete pouring.Taking a subway project for example,the stability bearing capacit...
Generally,a coupler steel tube falsework just bears the vertical loads,however,in some structure construction,the falsework should carry a horizontal load from lateral concrete pouring.Taking a subway project for example,the stability bearing capacit...
2010, 40(2): 116-119.
doi: 10.13204/j.gyjz201002027
Abstract:
Because of high-rise commercial building foundation construction resulting in damage to adjacent building in a city of Jiangsu,through household surveys,on-site testing and a comprehensive analysis of reasoning according to the information of foundat...
Because of high-rise commercial building foundation construction resulting in damage to adjacent building in a city of Jiangsu,through household surveys,on-site testing and a comprehensive analysis of reasoning according to the information of foundat...
2010, 40(2): 120-124,96.
doi: 10.13204/j.gyjz201002028
Abstract:
With the research project study on application of external pre-stressed technology for strengthening old bridges under the Railway Ministry as the background,it is conducted the test of bearing capacity of the old concrete board beams,based on the da...
With the research project study on application of external pre-stressed technology for strengthening old bridges under the Railway Ministry as the background,it is conducted the test of bearing capacity of the old concrete board beams,based on the da...
2010, 40(2): 125-127.
doi: 10.13204/j.gyjz201002029
Abstract:
There were vertical and inclined cracks on the wall of a brick-concrete residential building in Hengyang City.It was showed the building could not meet the prescribed performance in term of strength and serviceability according to the results of iden...
There were vertical and inclined cracks on the wall of a brick-concrete residential building in Hengyang City.It was showed the building could not meet the prescribed performance in term of strength and serviceability according to the results of iden...
2010, 40(2): 128-131.
doi: 10.13204/j.gyjz201002030
Abstract:
Lots of problematical piles were discovered during inspection of loose core to cement mixing piles,and the piles were in zonal distribution through inspection of excavation.Emergence of the problematical piles was that the red clay was polluted.In th...
Lots of problematical piles were discovered during inspection of loose core to cement mixing piles,and the piles were in zonal distribution through inspection of excavation.Emergence of the problematical piles was that the red clay was polluted.In th...
2010, 40(2): 132-134.
doi: 10.13204/j.gyjz201002031
Abstract:
Based on the design analysis of TCL LCD TV integration manufacturing projects and insights and thinking of the author himself in the process of design,it is expounded some of the architectural design ideas and methods in the new era,and it is expecte...
Based on the design analysis of TCL LCD TV integration manufacturing projects and insights and thinking of the author himself in the process of design,it is expounded some of the architectural design ideas and methods in the new era,and it is expecte...
2010, 40(2): 135-137,127.
doi: 10.13204/j.gyjz201002032
Abstract:
The greatest cross-century science project SSFR is introduced for its integrated application of new technologies in the profiled double-layer metal roof system,whose shape is like a nautilus.Meanwhile,the metal roof system is featured by double-layer...
The greatest cross-century science project SSFR is introduced for its integrated application of new technologies in the profiled double-layer metal roof system,whose shape is like a nautilus.Meanwhile,the metal roof system is featured by double-layer...
2010, 40(2): 51-54.
doi: 10.13204/j.gyjz201002012
Abstract:
At present,the regeneration of historical industrial field is an important research project in the urban regeneration.From the view of uncertainty,this paper explores this research combined with the regeneration design of area of the National Third C...
At present,the regeneration of historical industrial field is an important research project in the urban regeneration.From the view of uncertainty,this paper explores this research combined with the regeneration design of area of the National Third C...
2010, 40(2): 55-57,91.
doi: 10.13204/j.gyjz201002013
Abstract:
An architecture is that it is not only a practical space constructed by building materials and but also its design implied a certain theme,that is,the construction image.For example,the junk form of Sydney Opera House is a classic form,and water vill...
An architecture is that it is not only a practical space constructed by building materials and but also its design implied a certain theme,that is,the construction image.For example,the junk form of Sydney Opera House is a classic form,and water vill...
2010, 40(2): 58-63.
doi: 10.13204/j.gyjz201002014
Abstract:
The paper focuses on obtaining a modified earthquake random model by introducing the structure affecting factor (T) into spectral density function with appropriate consideration of the structural effect on random process of ground motion.Besides,the ...
The paper focuses on obtaining a modified earthquake random model by introducing the structure affecting factor (T) into spectral density function with appropriate consideration of the structural effect on random process of ground motion.Besides,the ...
2010, 40(2): 64-68.
doi: 10.13204/j.gyjz201002015
Abstract:
According to the experimental investigation on three specimens of abnormal interior joints under low cyclic reversed loading,the failure process and patterns were obtained.The failure characteristics,mechanical behaviors of abnormal joints such as th...
According to the experimental investigation on three specimens of abnormal interior joints under low cyclic reversed loading,the failure process and patterns were obtained.The failure characteristics,mechanical behaviors of abnormal joints such as th...
2010, 40(2): 69-73.
doi: 10.13204/j.gyjz201002016
Abstract:
The forced performances of total-precast concrete frame columns with alveous-connection were investigated under low reverse cyclic loading.The results showed that the forced performances of a total-precast concrete frame column with alveous-connectio...
The forced performances of total-precast concrete frame columns with alveous-connection were investigated under low reverse cyclic loading.The results showed that the forced performances of a total-precast concrete frame column with alveous-connectio...
2010, 40(2): 74-76,63.
doi: 10.13204/j.gyjz201002017
Abstract:
The seismic response of Bailin Temple Pagoda was investigated by ANSYS software in this paper.The Solid 65 element and integral continuum model were applied,and stress-strain relationship of masonry structures was defined by the theory of multilinear...
The seismic response of Bailin Temple Pagoda was investigated by ANSYS software in this paper.The Solid 65 element and integral continuum model were applied,and stress-strain relationship of masonry structures was defined by the theory of multilinear...
2010, 40(2): 77-81.
doi: 10.13204/j.gyjz201002018
Abstract:
Experiments are conducted on novel herringbone braces composite structure under pseudo-dynamic test.A test model of scale 1∶2 is manufactured.The loading process is the input of El Centro wave,and the maximum accelerations of ground motion are respec...
Experiments are conducted on novel herringbone braces composite structure under pseudo-dynamic test.A test model of scale 1∶2 is manufactured.The loading process is the input of El Centro wave,and the maximum accelerations of ground motion are respec...
2010, 40(2): 82-85.
doi: 10.13204/j.gyjz201002019
Abstract:
For several sites with soft soil layer,the difference of site classification between Chinese code GB 500112001 and European code Eurocode 8 is studied in this paper.Firstly,the shear wave velocity of ordinary site,site with soft interlayer within 20 ...
For several sites with soft soil layer,the difference of site classification between Chinese code GB 500112001 and European code Eurocode 8 is studied in this paper.Firstly,the shear wave velocity of ordinary site,site with soft interlayer within 20 ...
2010, 40(2): 86-91.
doi: 10.13204/j.gyjz201002020
Abstract:
The 3 specimens of blast furnace foundations under the action of vertical load and temperature effect were tested.The influence of temperature on blast furnace foundation is discussed,and the characteristics of foundation stress based on different gr...
The 3 specimens of blast furnace foundations under the action of vertical load and temperature effect were tested.The influence of temperature on blast furnace foundation is discussed,and the characteristics of foundation stress based on different gr...
2010, 40(2): 92-96.
doi: 10.13204/j.gyjz201002021
Abstract:
Based on the assumption of homogeneous isotropic soil and ignoring the dimensions of electrodes,the formula for three-dimension electric field intensity by parallel rows of electrodes was proposed.The characteristics of electric field under different...
Based on the assumption of homogeneous isotropic soil and ignoring the dimensions of electrodes,the formula for three-dimension electric field intensity by parallel rows of electrodes was proposed.The characteristics of electric field under different...
2010, 40(2): 101-104,115.
doi: 10.13204/j.gyjz201002023
Abstract:
Bond performance is the key of reinforced concrete between concrete and bars,however either corrosion or fatigue load makes bond performance deteriorate.Using a fast electric current corrosion testing of 13 bars with strain gauge placed in a machined...
Bond performance is the key of reinforced concrete between concrete and bars,however either corrosion or fatigue load makes bond performance deteriorate.Using a fast electric current corrosion testing of 13 bars with strain gauge placed in a machined...
2010, 40(2): 105-108.
doi: 10.13204/j.gyjz201002024
Abstract:
In order to raise the reliability of the strengthening design of a building after a fire,the exploration of the bond performance of a reinforce concrete after a fire becomes the key to the study on the behavior of the reinforced concrete after a fire...
In order to raise the reliability of the strengthening design of a building after a fire,the exploration of the bond performance of a reinforce concrete after a fire becomes the key to the study on the behavior of the reinforced concrete after a fire...
2010, 40(2): 109-111,119.
doi: 10.13204/j.gyjz201002025
Abstract:
Using the alternating current bridge method and the NEL method and the natural diffusion method,the check experiments for chloride diffusion of ordinary hydraulic concrete with five mix proportions are tested.Based on the tested and calculated chlori...
Using the alternating current bridge method and the NEL method and the natural diffusion method,the check experiments for chloride diffusion of ordinary hydraulic concrete with five mix proportions are tested.Based on the tested and calculated chlori...
2010, 40(2): 112-115.
doi: 10.13204/j.gyjz201002026
Abstract:
Caisson construction has many advantages,such as having a small footprint,no support of sheet pile,little impact on adjacent buildings and security of construction.The caisson technology is widely applied as the developing of the construction technol...
Caisson construction has many advantages,such as having a small footprint,no support of sheet pile,little impact on adjacent buildings and security of construction.The caisson technology is widely applied as the developing of the construction technol...
