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2015 Vol. 45, No. 2
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2015, 45(2): 1-4.
doi: 10.13204/j.gyjz201502001
Abstract:
The fast freeze-thaw tests with fresh water on high strength concrete ( C60 ) with fly ash or slag and composite admixture，as well as the one without admixtures were conducted． The results showed that for the concrete with admixtures ( slag and fly a...
The fast freeze-thaw tests with fresh water on high strength concrete ( C60 ) with fly ash or slag and composite admixture，as well as the one without admixtures were conducted． The results showed that for the concrete with admixtures ( slag and fly a...
2015, 45(2): 5-9.
doi: 10.13204/j.gyjz201502002
Abstract:
The strength， the pore structure and freeze-proof durability of air-entrained concrete under 3 ℃ temperature curing and with different air contents were researched by taking air-entrained concrete under low temperature curing ( 3 0. 2) ℃ as the objec...
The strength， the pore structure and freeze-proof durability of air-entrained concrete under 3 ℃ temperature curing and with different air contents were researched by taking air-entrained concrete under low temperature curing ( 3 0. 2) ℃ as the objec...
2015, 45(2): 10-14.
doi: 10.13204/j.gyjz201502003
Abstract:
Steel and basalt hybrid fibers reinforced concrete technical route was proposed，through the freeze-thaw test， the influence of steel fiber mixed basalt fiber on the frost-resistance of concrete and freeze-thaw model were studied． The results showed t...
Steel and basalt hybrid fibers reinforced concrete technical route was proposed，through the freeze-thaw test， the influence of steel fiber mixed basalt fiber on the frost-resistance of concrete and freeze-thaw model were studied． The results showed t...
2015, 45(2): 15-18.
doi: 10.13204/j.gyjz201502004
Abstract:
In order to get the constitutive relationship model under freeze-thaw cycles for compression masonry，the promoted strain equivalence principle is applied to the masonry structures for the first time and the total damage of the masonry which withstand...
In order to get the constitutive relationship model under freeze-thaw cycles for compression masonry，the promoted strain equivalence principle is applied to the masonry structures for the first time and the total damage of the masonry which withstand...
2015, 45(2): 19-22.
doi: 10.13204/j.gyjz201502005
Abstract:
According to the temperature changes in cold region，the compressive strength and flexural strength tests of polymer cement mortar after 0，10，20 and 30 cycles under air freezing and air thawing ( air freezing) and air freezing and water thawing ( wate...
According to the temperature changes in cold region，the compressive strength and flexural strength tests of polymer cement mortar after 0，10，20 and 30 cycles under air freezing and air thawing ( air freezing) and air freezing and water thawing ( wate...
2015, 45(2): 23-26.
doi: 10.13204/j.gyjz201502006
Abstract:
Freezing and thawing while causing physical changes in the mechanical properties of concrete，it is bound to change the bond properties between concrete and steel． Center short buried specimens of three concrete strengths C30，C40 and C50 were subjecte...
Freezing and thawing while causing physical changes in the mechanical properties of concrete，it is bound to change the bond properties between concrete and steel． Center short buried specimens of three concrete strengths C30，C40 and C50 were subjecte...
2015, 45(2): 27-31.
doi: 10.13204/j.gyjz201502007
Abstract:
An experiment was carried out of five prestressed concrete beams after different cycles of freeze-thawing to investigate the impact law of freeze-thaw on the load bearing property of specimens． The test results showed that with the number of freeze-t...
An experiment was carried out of five prestressed concrete beams after different cycles of freeze-thawing to investigate the impact law of freeze-thaw on the load bearing property of specimens． The test results showed that with the number of freeze-t...
2015, 45(2): 32-37.
doi: 10.13204/j.gyjz201502008
Abstract:
In order to investigate the shear behaviors of RC beams after freeze-thaw cycles，compressive strength test of concrete cubes after 0，75，100，125，150 freeze-thaw cycles were made，and static shear experiment of 45 RC beams after 0，75，100，125，150 freeze-...
In order to investigate the shear behaviors of RC beams after freeze-thaw cycles，compressive strength test of concrete cubes after 0，75，100，125，150 freeze-thaw cycles were made，and static shear experiment of 45 RC beams after 0，75，100，125，150 freeze-...
2015, 45(2): 42-46.
doi: 10.13204/j.gyjz201502010
Abstract:
In the planning and design of most Chinese high-rise residential areas with large space between buildings or low density，generally there are the problems of monotonous layout of green space between houses，excessive pursuit of form and neglecting func...
In the planning and design of most Chinese high-rise residential areas with large space between buildings or low density，generally there are the problems of monotonous layout of green space between houses，excessive pursuit of form and neglecting func...
2015, 45(2): 47-49.
doi: 10.13204/j.gyjz201502011
Abstract:
Taking some disperse old industrial areas in different districts of a city as research object and viewing from special angles involving function transformation，building reuse orientation and their relation，merging into city，it was summarized several ...
Taking some disperse old industrial areas in different districts of a city as research object and viewing from special angles involving function transformation，building reuse orientation and their relation，merging into city，it was summarized several ...
2015, 45(2): 50-56.
doi: 10.13204/j.gyjz201502012
Abstract:
A new type of structural measure was put forward to improve the mechanical property of the flat-fell seam in two-way concrete composite floor． Monotonic tests were conducted on a composite slab strip，a composite slab strip with the flat-fell seam but...
A new type of structural measure was put forward to improve the mechanical property of the flat-fell seam in two-way concrete composite floor． Monotonic tests were conducted on a composite slab strip，a composite slab strip with the flat-fell seam but...
2015, 45(2): 57-61.
doi: 10.13204/j.gyjz201502013
Abstract:
In order to investigate the flexural capacity and deformation performance of prefabrication and assembly beam，three prefabrication and assembly beams and one cast-in-place RC beam were fabricated and the flexural capacity tests of RC beams were carri...
In order to investigate the flexural capacity and deformation performance of prefabrication and assembly beam，three prefabrication and assembly beams and one cast-in-place RC beam were fabricated and the flexural capacity tests of RC beams were carri...
2015, 45(2): 62-64.
doi: 10.13204/j.gyjz201502014
Abstract:
In order to obtain the plane stress strength curve of masonry structure，based on the experimental research of mechanical properties and the test method in current specification，several kinds of tests were carried out， including horizontal compressive...
In order to obtain the plane stress strength curve of masonry structure，based on the experimental research of mechanical properties and the test method in current specification，several kinds of tests were carried out， including horizontal compressive...
2015, 45(2): 65-69.
doi: 10.13204/j.gyjz201502015
Abstract:
As one of the four highest ancient towers in China，Chongwen pagoda suffered serious damages in Whenchuan earthquake．In order to estimate the present situation and safety of Chongwen pagoda，the detailed survey and investigation of seismic damage were ...
As one of the four highest ancient towers in China，Chongwen pagoda suffered serious damages in Whenchuan earthquake．In order to estimate the present situation and safety of Chongwen pagoda，the detailed survey and investigation of seismic damage were ...
2015, 45(2): 70-75.
doi: 10.13204/j.gyjz201502016
Abstract:
In order to analyze the effect of segmental joint weak layers on deformation of long span cantilever-casting PC box girders，FE models with segmental joint weak layer elements were established based on the FE model considering construction processes o...
In order to analyze the effect of segmental joint weak layers on deformation of long span cantilever-casting PC box girders，FE models with segmental joint weak layer elements were established based on the FE model considering construction processes o...
2015, 45(2): 76-79.
doi: 10.13204/j.gyjz201502017
Abstract:
At present，there is no formula which calculates the quantitative influence of the bottom reinforcement arrangement concentrated at the extent near the pile top on the punching bearing capacity of pile caps． Based on the spatial strut-and-tie theory o...
At present，there is no formula which calculates the quantitative influence of the bottom reinforcement arrangement concentrated at the extent near the pile top on the punching bearing capacity of pile caps． Based on the spatial strut-and-tie theory o...
2015, 45(2): 80-84.
doi: 10.13204/j.gyjz201502018
Abstract:
The tailings strength parameters is the key factor that affects the analysis of tailings dam stability． Based on triaxial tests under high stresses，the nonlinear strength property of tailings was validated． The results showed that the triaxial consol...
The tailings strength parameters is the key factor that affects the analysis of tailings dam stability． Based on triaxial tests under high stresses，the nonlinear strength property of tailings was validated． The results showed that the triaxial consol...
2015, 45(2): 85-89.
doi: 10.13204/j.gyjz201502019
Abstract:
An experimental research on improvement on ground of coral debris mixed with mucky soil by high vacuum densification method ( HVDM) was carried out． Through circulation processing of vacuum drainage and dynamic compaction for three times，groundwater ...
An experimental research on improvement on ground of coral debris mixed with mucky soil by high vacuum densification method ( HVDM) was carried out． Through circulation processing of vacuum drainage and dynamic compaction for three times，groundwater ...
2015, 45(2): 90-94.
doi: 10.13204/j.gyjz201502020
Abstract:
Based on Terzaghi's one dimensional consolidation theory，the practical calculation method of the ground subsidence was proposed under water level change of various types of ground water． The calculation program was compiled to calculate and analyze g...
Based on Terzaghi's one dimensional consolidation theory，the practical calculation method of the ground subsidence was proposed under water level change of various types of ground water． The calculation program was compiled to calculate and analyze g...
2015, 45(2): 95-100.
doi: 10.13204/j.gyjz201502021
Abstract:
With construction of a large number of mountain tunnels，the deformation control of construction in the tunnel of biased soft surrounding rock and its stability have become the focus of attention of the tunnel engineering． Taking Liujiazhuang tunnel o...
With construction of a large number of mountain tunnels，the deformation control of construction in the tunnel of biased soft surrounding rock and its stability have become the focus of attention of the tunnel engineering． Taking Liujiazhuang tunnel o...
2015, 45(2): 101-106.
doi: 10.13204/j.gyjz201502022
Abstract:
To study safety performance of plug-in steel-tube scaffold ，it was conducted field test researches on the falsework and the exterior scaffolding for special-shaped structure． Also static and buckling analyses were done by ANSYS finite element softwar...
To study safety performance of plug-in steel-tube scaffold ，it was conducted field test researches on the falsework and the exterior scaffolding for special-shaped structure． Also static and buckling analyses were done by ANSYS finite element softwar...
2015, 45(2): 107-113.
doi: 10.13204/j.gyjz201502023
Abstract:
When the mode superposition method is applied to the seismic responses analysis of large-span spatial structures，several problems always become difficult to handle，such as the inefficient calculation and the incapable consideration of earthquake rand...
When the mode superposition method is applied to the seismic responses analysis of large-span spatial structures，several problems always become difficult to handle，such as the inefficient calculation and the incapable consideration of earthquake rand...
2015, 45(2): 114-117.
doi: 10.13204/j.gyjz201502024
Abstract:
A new type of long-span spatial steel frame was used for Guangdong Science Center ( GSC) ． The isolation techniques are introduced into the E square of GSC to protect the huge building from damage during external loads， especially typhoon and earthqu...
A new type of long-span spatial steel frame was used for Guangdong Science Center ( GSC) ． The isolation techniques are introduced into the E square of GSC to protect the huge building from damage during external loads， especially typhoon and earthqu...
2015, 45(2): 118-124.
doi: 10.13204/j.gyjz201502025
Abstract:
An uniaxial loaded experiment of beam-pillar supported joint widely used in steel structure workshop was introduced． Three specimens of different working place was studied． A comparison between the result under ultimate load and the result of the pre...
An uniaxial loaded experiment of beam-pillar supported joint widely used in steel structure workshop was introduced． Three specimens of different working place was studied． A comparison between the result under ultimate load and the result of the pre...
2015, 45(2): 125-130.
doi: 10.13204/j.gyjz201502026
Abstract:
The existing seismic design methods of air-cooled condenser structure do not meet theinvestment benefit criterion because they do not consider the safety of the equipment in earthquake． Through the experimental study on the seismic performance of the...
The existing seismic design methods of air-cooled condenser structure do not meet theinvestment benefit criterion because they do not consider the safety of the equipment in earthquake． Through the experimental study on the seismic performance of the...
2015, 45(2): 131-135.
doi: 10.13204/j.gyjz201502027
Abstract:
Based on the contrast analysis of Eurocode 3 ( EN1993 －1－3) and Technical Code of Cold-Formed Thin-Wall Section Steel Structure( GB 500182002)，analysis and discussion are mentioned about the effective section of cold-formed thin-wall lipped channel p...
Based on the contrast analysis of Eurocode 3 ( EN1993 －1－3) and Technical Code of Cold-Formed Thin-Wall Section Steel Structure( GB 500182002)，analysis and discussion are mentioned about the effective section of cold-formed thin-wall lipped channel p...
2015, 45(2): 136-142.
doi: 10.13204/j.gyjz201502028
Abstract:
In order to study the strength，integral stability，local stability and rigidity etc of circular hole cellular beams，experimental investigations and finite element analysis of three simply supported circular hole cellular beams and three steel-concrete...
In order to study the strength，integral stability，local stability and rigidity etc of circular hole cellular beams，experimental investigations and finite element analysis of three simply supported circular hole cellular beams and three steel-concrete...
2015, 45(2): 143-148.
doi: 10.13204/j.gyjz201502029
Abstract:
In order to research the mechanical properties of the typical butterfly-shaped joint in a heavy cross layer truss for a new-built steel railway station，model test and numerical calculation were adopted． The test model was designed according to the pr...
In order to research the mechanical properties of the typical butterfly-shaped joint in a heavy cross layer truss for a new-built steel railway station，model test and numerical calculation were adopted． The test model was designed according to the pr...
2015, 45(2): 149-153.
doi: 10.13204/j.gyjz201502030
Abstract:
ABAQUS finite element software was used to analyze the bending performance of web core sandwich plate in low temperature environment，and it was compared the deflection value to the theoretical deflection value under temperature-load，finally it was al...
ABAQUS finite element software was used to analyze the bending performance of web core sandwich plate in low temperature environment，and it was compared the deflection value to the theoretical deflection value under temperature-load，finally it was al...
2015, 45(2): 154-158.
doi: 10.13204/j.gyjz201502031
Abstract:
A complex steel structure system of combining steel frame-supporting system with intersected trusses was adopted as the main structure of Tianjin library． The stress level in key joints was high in construction process due to frequent changes of the ...
A complex steel structure system of combining steel frame-supporting system with intersected trusses was adopted as the main structure of Tianjin library． The stress level in key joints was high in construction process due to frequent changes of the ...
2015, 45(2): 159-164.
doi: 10.13204/j.gyjz201502032
Abstract:
The method of strengthening steel structure by welding while under load has been widely used in numerous reinforcement projects． However，despite some general tips，there are no specific provisions in present foreign technical standards． The few specif...
The method of strengthening steel structure by welding while under load has been widely used in numerous reinforcement projects． However，despite some general tips，there are no specific provisions in present foreign technical standards． The few specif...
2015, 45(2): 165-169.
doi: 10.13204/j.gyjz201502033
Abstract:
The buckling restrained braces were erected on the integral frame consisted of six stories reinforced concrete frame and one story steel frame added at the top． The design of buckling restrained brace was discussed． The performance under frequent ear...
The buckling restrained braces were erected on the integral frame consisted of six stories reinforced concrete frame and one story steel frame added at the top． The design of buckling restrained brace was discussed． The performance under frequent ear...
2015, 45(2): 170-173.
doi: 10.13204/j.gyjz201502034
Abstract:
An industry gathering area includes all kinds of development zones，such as: economic and technological development zones，high-tech industrial development zones， industrial parks，modern service industry park． In view of urban geography，urban economics...
An industry gathering area includes all kinds of development zones，such as: economic and technological development zones，high-tech industrial development zones， industrial parks，modern service industry park． In view of urban geography，urban economics...
2015, 45(2): 174-177.
doi: 10.13204/j.gyjz201502035
Abstract:
Industrial workshops have been always designed and constructed by standard templates，it is hard to express their personalities and be short of features． Taking the architectural design of the workshops for Sichuan Langjiu Group Gulin Factory for exam...
Industrial workshops have been always designed and constructed by standard templates，it is hard to express their personalities and be short of features． Taking the architectural design of the workshops for Sichuan Langjiu Group Gulin Factory for exam...
2015, 45(2): 178-183.
doi: 10.13204/j.gyjz201502036
Abstract:
The mechanical analysis of the structural model is still an isolated part in the information integration chain of BIM ( Building Information Modeling) technology． The composition and characteristic of the structural BIM model was analyzed through stu...
The mechanical analysis of the structural model is still an isolated part in the information integration chain of BIM ( Building Information Modeling) technology． The composition and characteristic of the structural BIM model was analyzed through stu...
2015, 45(2): 184-185.
doi: 10.13204/j.gyjz201502037
Abstract:
It has been long since Chinese building industry undergoing a messy time． Although the critical voice never stopped，the construction of weird buildings were still carried on． This paper analysed the characteristics of weird buildings，which had been w...
It has been long since Chinese building industry undergoing a messy time． Although the critical voice never stopped，the construction of weird buildings were still carried on． This paper analysed the characteristics of weird buildings，which had been w...
