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2011 Vol. 41, No. 7
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2011, 41(7): 1-8.
doi: 10.13204/j.gyjz201107001
Abstract:
When designing a strurcture according to partial factor specified in the current standard,there are quite great differences between reliability index corresponding to each load effect ratio and target reliability index,and it does not establish the r...
When designing a strurcture according to partial factor specified in the current standard,there are quite great differences between reliability index corresponding to each load effect ratio and target reliability index,and it does not establish the r...
2011, 41(7): 9-11,25.
doi: 10.13204/j.gyjz201107002
Abstract:
The reliability evaluation of building structure based on similarity measures between Vague sets is proposed.With relevant regulations and experts experiences,the similarity measures between Vague sets was combined with reliability factors,and the ty...
The reliability evaluation of building structure based on similarity measures between Vague sets is proposed.With relevant regulations and experts experiences,the similarity measures between Vague sets was combined with reliability factors,and the ty...
2011, 41(7): 12-15.
doi: 10.13204/j.gyjz201107003
Abstract:
A damage index based on wavelet transform could not only represent the damage extent at every load stage,but also be referred to judge when the structure was yielded.The selection of wavelet base function was the difficulty in use of the damage index...
A damage index based on wavelet transform could not only represent the damage extent at every load stage,but also be referred to judge when the structure was yielded.The selection of wavelet base function was the difficulty in use of the damage index...
2011, 41(7): 16-20,37.
doi: 10.13204/j.gyjz201107004
Abstract:
Taking the truss structure damage as object of study,based on the unit strain characteristics of truss structure,it is done the sensitive analysis of the curvature mode rate and strain modal rate relating to the stem unit damage.Meanwhile the change ...
Taking the truss structure damage as object of study,based on the unit strain characteristics of truss structure,it is done the sensitive analysis of the curvature mode rate and strain modal rate relating to the stem unit damage.Meanwhile the change ...
2011, 41(7): 21-25.
doi: 10.13204/j.gyjz201107005
Abstract:
Compared with displacement mode,strain mode is better in steel truss damage detection.A new structural nondestructive detection indictor,a dynamic and static combining indictor is presented,which is based on dynamic indictor and static indictor.The n...
Compared with displacement mode,strain mode is better in steel truss damage detection.A new structural nondestructive detection indictor,a dynamic and static combining indictor is presented,which is based on dynamic indictor and static indictor.The n...
2011, 41(7): 26-30.
doi: 10.13204/j.gyjz201107006
Abstract:
The generalized inverse technique was used to solve the first order equation,and the trust-region reflective Newton method was used to solve the second order sensitivity equation.Considering the fast solving speed by the first order sensitivity equat...
The generalized inverse technique was used to solve the first order equation,and the trust-region reflective Newton method was used to solve the second order sensitivity equation.Considering the fast solving speed by the first order sensitivity equat...
2011, 41(7): 31-37.
doi: 10.13204/j.gyjz201107007
Abstract:
Through numerical simulation of the whole process of heat transfer and deformation on three different conditions groups of reinfored concrete beams,it is analysed the non-linear changing process of the temperature distribution and structural deformat...
Through numerical simulation of the whole process of heat transfer and deformation on three different conditions groups of reinfored concrete beams,it is analysed the non-linear changing process of the temperature distribution and structural deformat...
2011, 41(7): 38-41,44.
doi: 10.13204/j.gyjz201107008
Abstract:
Taking reinforced concrete columns which are seriously damaged as the research subjects,it is researched the seismic behaviors of the repaired columns.The concrete of columns in the plastic-hinge zone is replaced with grout material and the columns a...
Taking reinforced concrete columns which are seriously damaged as the research subjects,it is researched the seismic behaviors of the repaired columns.The concrete of columns in the plastic-hinge zone is replaced with grout material and the columns a...
2011, 41(7): 42-44.
doi: 10.13204/j.gyjz201107009
Abstract:
For the existing buildings,some limitations have influences on building retrofit,such as lack of knowledge on the existing buildings energy consumptions data during the process of energy-saving retrofit.So energy-saving programs are generally in acco...
For the existing buildings,some limitations have influences on building retrofit,such as lack of knowledge on the existing buildings energy consumptions data during the process of energy-saving retrofit.So energy-saving programs are generally in acco...
2011, 41(7): 45-49.
doi: 10.13204/j.gyjz201107010
Abstract:
There are poor thermal performances and high energy consumptions in the existing residential buildings in the north of Hubei Province.It has been proposed the strategies and methods for energy-saving renovation of the existing residential buildings b...
There are poor thermal performances and high energy consumptions in the existing residential buildings in the north of Hubei Province.It has been proposed the strategies and methods for energy-saving renovation of the existing residential buildings b...
2011, 41(7): 50-53.
doi: 10.13204/j.gyjz201107011
Abstract:
Solar heating is an applied technology,which is relatively simple,practical,effective,and economically competitive with conventional energy sources in the field of solar energy utilization.It is of great practical significance to save energy,protect ...
Solar heating is an applied technology,which is relatively simple,practical,effective,and economically competitive with conventional energy sources in the field of solar energy utilization.It is of great practical significance to save energy,protect ...
2011, 41(7): 54-57,91.
doi: 10.13204/j.gyjz201107012
Abstract:
The industrial cluster district is the space in which the industry and its capital elements are highly concentrated.The development of the industrial cluster district should be consistent with the urban development.Taking Pingyu County of Henan Provi...
The industrial cluster district is the space in which the industry and its capital elements are highly concentrated.The development of the industrial cluster district should be consistent with the urban development.Taking Pingyu County of Henan Provi...
2011, 41(7): 58-61,86.
doi: 10.13204/j.gyjz201107013
Abstract:
Based on 7 beams with grade HRB500 reinforcement of low-cost and high-performance,the failure modes,deformation characteristics and bearing capacities matched different strength concrete are analyzed.To test whether the formulas for calculating the b...
Based on 7 beams with grade HRB500 reinforcement of low-cost and high-performance,the failure modes,deformation characteristics and bearing capacities matched different strength concrete are analyzed.To test whether the formulas for calculating the b...
2011, 41(7): 62-65.
doi: 10.13204/j.gyjz201107014
Abstract:
Based on the experiment on 3 simple beams reinforced with HRBF500 steel bars,the flexual behavior is studied.The research indicate that deformation characteristics and failure pattern are basically in accord with the common beams.The measured deflect...
Based on the experiment on 3 simple beams reinforced with HRBF500 steel bars,the flexual behavior is studied.The research indicate that deformation characteristics and failure pattern are basically in accord with the common beams.The measured deflect...
2011, 41(7): 66-69,113.
doi: 10.13204/j.gyjz201107015
Abstract:
Based on unconsolidated undrained dynamic triaxial compression test,the reinforced clays were researched.Test results proves that disposing reinforced geo-grid material in clay can increase its dynamic shear strength.The more reinforced geo-grid laye...
Based on unconsolidated undrained dynamic triaxial compression test,the reinforced clays were researched.Test results proves that disposing reinforced geo-grid material in clay can increase its dynamic shear strength.The more reinforced geo-grid laye...
2011, 41(7): 70-73.
doi: 10.13204/j.gyjz201107016
Abstract:
By using the method of soaking in laboratory,the change laws between the liquid limit,plastic limit and plasticity index of the polluted soil and the pH value were studied.The values of the liquid limit and plastic limit of the soil samples were meas...
By using the method of soaking in laboratory,the change laws between the liquid limit,plastic limit and plasticity index of the polluted soil and the pH value were studied.The values of the liquid limit and plastic limit of the soil samples were meas...
2011, 41(7): 74-77,81.
doi: 10.13204/j.gyjz201107017
Abstract:
For the search of modern marine clay's creep rule,it was carried out one-dimensional compression creep test and triaxial undrained consolidation shear creep test on marine soft clay in Shenzhen under different consoildatation pressure.The experiment ...
For the search of modern marine clay's creep rule,it was carried out one-dimensional compression creep test and triaxial undrained consolidation shear creep test on marine soft clay in Shenzhen under different consoildatation pressure.The experiment ...
2011, 41(7): 78-81.
doi: 10.13204/j.gyjz201107018
Abstract:
Using ANSYS software,,it was simulated and analyzed the load transfer characteristics of post-grouting bored piles from the following three aspects: the pile axial force,pile side friction and static load curve,and the results were compared and analy...
Using ANSYS software,,it was simulated and analyzed the load transfer characteristics of post-grouting bored piles from the following three aspects: the pile axial force,pile side friction and static load curve,and the results were compared and analy...
2011, 41(7): 82-86.
doi: 10.13204/j.gyjz201107019
Abstract:
Using micro-structure observation,instrusive mercury and mineral analyses of consolidation process of typical soft soil samples from the Pearl River Delta,it is quantitatively researched into the changing low of micro-parameters,such as the form of m...
Using micro-structure observation,instrusive mercury and mineral analyses of consolidation process of typical soft soil samples from the Pearl River Delta,it is quantitatively researched into the changing low of micro-parameters,such as the form of m...
2011, 41(7): 87-91.
doi: 10.13204/j.gyjz201107020
Abstract:
Some mix tests were carried out for the main factors that effect the 28 d mechanical properties of the layer carbon fiber and polypropylene fiber concrete,such as water-binder ratio,the content of fly ash,the content of the polypropylene fiber and th...
Some mix tests were carried out for the main factors that effect the 28 d mechanical properties of the layer carbon fiber and polypropylene fiber concrete,such as water-binder ratio,the content of fly ash,the content of the polypropylene fiber and th...
2011, 41(7): 92-95,73.
doi: 10.13204/j.gyjz201107021
Abstract:
The foundation type of Henan broadcast and TV tower is a pile raft foundation.The jointless construction technology of mass concrete is analyzed for its foundation slab has no post poured belt and concrete expansion and strengthened belt.It was intro...
The foundation type of Henan broadcast and TV tower is a pile raft foundation.The jointless construction technology of mass concrete is analyzed for its foundation slab has no post poured belt and concrete expansion and strengthened belt.It was intro...
2011, 41(7): 96-100.
doi: 10.13204/j.gyjz201107022
Abstract:
By an example of analyse and design of one single layer cylindrical lattice shell with low rise-span ratio,mechanical characteristic of the shell was analyzed;the effect of support stiffness on the shell was discussed;the method of structure of shell...
By an example of analyse and design of one single layer cylindrical lattice shell with low rise-span ratio,mechanical characteristic of the shell was analyzed;the effect of support stiffness on the shell was discussed;the method of structure of shell...
2011, 41(7): 101-106,100.
doi: 10.13204/j.gyjz201107023
Abstract:
In the steel plate shear wall,pulling force of the steel plate can change the force transmission path in the frame.The horizontal component of forces in the upper and lower plates act on the beam,thus bending moment of the beam is reduced.The stiffne...
In the steel plate shear wall,pulling force of the steel plate can change the force transmission path in the frame.The horizontal component of forces in the upper and lower plates act on the beam,thus bending moment of the beam is reduced.The stiffne...
2011, 41(7): 107-113.
doi: 10.13204/j.gyjz201107024
Abstract:
When lateral load is applied on steel plate shear wall connected with frame beams,the buckling of plate corner appears,which causes the lost of bearing capacity and energy dissipation ability.Stiffeners connected on two free sides not only prevent co...
When lateral load is applied on steel plate shear wall connected with frame beams,the buckling of plate corner appears,which causes the lost of bearing capacity and energy dissipation ability.Stiffeners connected on two free sides not only prevent co...
2011, 41(7): 114-119.
doi: 10.13204/j.gyjz201107025
Abstract:
In order to ensure a safe design of a new building and obtain optimum design,an experimental program consisting of the tests of three full-scale connections with different connections details under cyclic loading,which were alternative design schemes...
In order to ensure a safe design of a new building and obtain optimum design,an experimental program consisting of the tests of three full-scale connections with different connections details under cyclic loading,which were alternative design schemes...
2011, 41(7): 120-124.
doi: 10.13204/j.gyjz201107026
Abstract:
It has been finished wind tunnel test based on the latticed shell according to the engineering design and experimental study's need.By taking account of the impacts of wind direction,coal piles and the elevation-angle on the shape coefficient of the ...
It has been finished wind tunnel test based on the latticed shell according to the engineering design and experimental study's need.By taking account of the impacts of wind direction,coal piles and the elevation-angle on the shape coefficient of the ...
2011, 41(7): 125-128.
doi: 10.13204/j.gyjz201107027
Abstract:
Three methods of strengthening structures in the inflexed angle zones are put forward for CFRP reinforced concrete members,which are made to do destructive experiments with comparison specimens.Through analysis of the load-ultimate strain relationshi...
Three methods of strengthening structures in the inflexed angle zones are put forward for CFRP reinforced concrete members,which are made to do destructive experiments with comparison specimens.Through analysis of the load-ultimate strain relationshi...
2011, 41(7): 129-132.
doi: 10.13204/j.gyjz201107028
Abstract:
Experimental research on fatigue performance of damage beams strengthened with prestressed CFRP sheets is seldom.Based on lever principle,a new loading system for fatigue experiments has been designed.And the tension and anchorage devices were perfec...
Experimental research on fatigue performance of damage beams strengthened with prestressed CFRP sheets is seldom.Based on lever principle,a new loading system for fatigue experiments has been designed.And the tension and anchorage devices were perfec...
2011, 41(7): 133-137.
doi: 10.13204/j.gyjz201107029
Abstract:
This article described whole strengthening design of nearly 50-year old workshop added 600-ton superheavy-duty crane in detail.After carrying on the comprehensive quality detection and assessment of the original workshop,effective strengthening plan ...
This article described whole strengthening design of nearly 50-year old workshop added 600-ton superheavy-duty crane in detail.After carrying on the comprehensive quality detection and assessment of the original workshop,effective strengthening plan ...
2011, 41(7): 138-142,137.
doi: 10.13204/j.gyjz201107030
Abstract:
Foundation excavation of a construction has a large area excavation,large differences within the soil layer,complex geological conditions,the surroundings being adjacent to buildings,urban roads,ramp slopes,and other different environments.According ...
Foundation excavation of a construction has a large area excavation,large differences within the soil layer,complex geological conditions,the surroundings being adjacent to buildings,urban roads,ramp slopes,and other different environments.According ...
2011, 41(7): 143-146.
doi: 10.13204/j.gyjz201107031
Abstract:
Utilizing the advantages of the interdisciplinary studies,it is attempted to research on the innovations of Art Nouveau referred to the theories of the diffusion of innovations in communication studies.Based on these analyses,it is put forward the en...
Utilizing the advantages of the interdisciplinary studies,it is attempted to research on the innovations of Art Nouveau referred to the theories of the diffusion of innovations in communication studies.Based on these analyses,it is put forward the en...
