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2015 Vol. 45, No. 7
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2015, 45(7): 1-7.
doi: 10.13204/j.gyjz201507001
Abstract:
Microbial induced carbonate precipitation，an advance of biomineralization has become a focus of many geotechnical and material studies． The bio-mediated process differs from the pure chemical reaction processes for carbonate production as its reactio...
Microbial induced carbonate precipitation，an advance of biomineralization has become a focus of many geotechnical and material studies． The bio-mediated process differs from the pure chemical reaction processes for carbonate production as its reactio...
2015, 45(7): 8-12.
doi: 10.13204/j.gyjz201507002
Abstract:
The latest progresses of biomineralization showed that some kinds of microbes could induce calcium carbonate quickly by using the ambient urea and calcium ion source． These calcium carbonate crystals could be used as binders to bind loose sands to ar...
The latest progresses of biomineralization showed that some kinds of microbes could induce calcium carbonate quickly by using the ambient urea and calcium ion source． These calcium carbonate crystals could be used as binders to bind loose sands to ar...
2015, 45(7): 13-18.
doi: 10.13204/j.gyjz201507003
Abstract:
Microbial-induced clogging is a method of leakage repair，with which the composition of strains in a soil can be changed through induction of microbes，thus changing the produced metabolites，which can finally change the permeability of the soil and sto...
Microbial-induced clogging is a method of leakage repair，with which the composition of strains in a soil can be changed through induction of microbes，thus changing the produced metabolites，which can finally change the permeability of the soil and sto...
2015, 45(7): 19-22.
doi: 10.13204/j.gyjz201507004
Abstract:
Microbial induced calcium carbonate precipitation ( MICP) is a new in situ grouting technology． It can improve the flow characteristics of liquefiable sandy soil through microbial and calcium salt reaction and become calcium carbonate precipitation． ...
Microbial induced calcium carbonate precipitation ( MICP) is a new in situ grouting technology． It can improve the flow characteristics of liquefiable sandy soil through microbial and calcium salt reaction and become calcium carbonate precipitation． ...
2015, 45(7): 23-27.
doi: 10.13204/j.gyjz201507005
Abstract:
Liquefication can be induced by seism and cyclic other loading action in sand ground，which would lead catastrophic damages． Correlational studies have great significance to the engineering and theory． The study was attempted to improve sandy soil by ...
Liquefication can be induced by seism and cyclic other loading action in sand ground，which would lead catastrophic damages． Correlational studies have great significance to the engineering and theory． The study was attempted to improve sandy soil by ...
2015, 45(7): 28-30.
doi: 10.13204/j.gyjz201507006
Abstract:
Microbially induced carbonate precipitation ( MICP) is a novel ground treatment solution． In the past，the solution was always injected into saturated sandy soil; however recently，researchers have discovered that the effect and position of the CaCO3 b...
Microbially induced carbonate precipitation ( MICP) is a novel ground treatment solution． In the past，the solution was always injected into saturated sandy soil; however recently，researchers have discovered that the effect and position of the CaCO3 b...
2015, 45(7): 31-35.
doi: 10.13204/j.gyjz201507007
Abstract:
Biogrout method is a new kind of method for soil reinforcement，which is based on the microbial mineralization． In the process，the bacterial cells and the nutrient solution are grouted into the porous material， inducing the calcium carbonate precipita...
Biogrout method is a new kind of method for soil reinforcement，which is based on the microbial mineralization． In the process，the bacterial cells and the nutrient solution are grouted into the porous material， inducing the calcium carbonate precipita...
2015, 45(7): 36-41.
doi: 10.13204/j.gyjz201507008
Abstract:
It was reviewed the state-of-art of microbially induced calcium carbonate precipitation ( MICP) technology for cracks repair and surface deposition of cement-based materials． The bacteria ( Sporosarcina pasteurii) and nutrient solution with three typ...
It was reviewed the state-of-art of microbially induced calcium carbonate precipitation ( MICP) technology for cracks repair and surface deposition of cement-based materials． The bacteria ( Sporosarcina pasteurii) and nutrient solution with three typ...
2015, 45(7): 42-47.
doi: 10.13204/j.gyjz201507009
Abstract:
The bacteria Sporosarcina pasteurii ( S． p) solution and the urease of S． p was added into the cement mortar． The urea-calcium acetate solution，bacterial culture medium and water were used to cure specimens． The uniaxial compressive test，the split te...
The bacteria Sporosarcina pasteurii ( S． p) solution and the urease of S． p was added into the cement mortar． The urea-calcium acetate solution，bacterial culture medium and water were used to cure specimens． The uniaxial compressive test，the split te...
2015, 45(7): 48-53.
doi: 10.13204/j.gyjz201507010
Abstract:
Microbial grouting reinforcement to repair the deterioration of masonry structures involves injecting microorganisms and nutrient solution ( a cementation solution) into existing granular system pores to induce the generated calcium carbonate cementa...
Microbial grouting reinforcement to repair the deterioration of masonry structures involves injecting microorganisms and nutrient solution ( a cementation solution) into existing granular system pores to induce the generated calcium carbonate cementa...
2015, 45(7): 54-57.
doi: 10.13204/j.gyjz201507011
Abstract:
It is still not mature that the design theory and practice of aged care facilities of indemnificatory community． After analysing the research directions at home and abroad，by view ofcommunity caretheory and based on investigation on the current situa...
It is still not mature that the design theory and practice of aged care facilities of indemnificatory community． After analysing the research directions at home and abroad，by view ofcommunity caretheory and based on investigation on the current situa...
2015, 45(7): 58-61.
doi: 10.13204/j.gyjz201507012
Abstract:
As a clean renewable energy，through series of studies on multiple utilization processes of the wind energy with in the different stages of urban developments，a kind of facility calledwind wallbeing used to efficiently turn wind energy can be better e...
As a clean renewable energy，through series of studies on multiple utilization processes of the wind energy with in the different stages of urban developments，a kind of facility calledwind wallbeing used to efficiently turn wind energy can be better e...
2015, 45(7): 62-67.
doi: 10.13204/j.gyjz201507013
Abstract:
Huizhou ancient stage is an important and special type of Huizhou ancient architecture，it has witnessed drama from production，development to glory in China，and also has reflected the accomplishments and achievements of Huizhou history，culture and art...
Huizhou ancient stage is an important and special type of Huizhou ancient architecture，it has witnessed drama from production，development to glory in China，and also has reflected the accomplishments and achievements of Huizhou history，culture and art...
2015, 45(7): 68-71.
doi: 10.13204/j.gyjz201507014
Abstract:
Industrial tourism，has increasingly become an emerging tourism type． To be a tourism destination has become an object to many industrial enterprise in reform and transformation． However，it has been engulfed by obstacles of lacking in diversified ente...
Industrial tourism，has increasingly become an emerging tourism type． To be a tourism destination has become an object to many industrial enterprise in reform and transformation． However，it has been engulfed by obstacles of lacking in diversified ente...
2015, 45(7): 76-78.
doi: 10.13204/j.gyjz201507016
Abstract:
Value evaluation is a guarantee for the protection of reuse of industrial heritages，but there are many problems between them on the coordination． In order to make the value of industrial heritage continue to be alive， based on the instances of the pr...
Value evaluation is a guarantee for the protection of reuse of industrial heritages，but there are many problems between them on the coordination． In order to make the value of industrial heritage continue to be alive， based on the instances of the pr...
2015, 45(7): 79-83.
doi: 10.13204/j.gyjz201507017
Abstract:
Design value method based on probability is a new one for structural reliability design proposed in international standard． Compared with current partial factors method，it possesses better flexibility and generality， representing the development of r...
Design value method based on probability is a new one for structural reliability design proposed in international standard． Compared with current partial factors method，it possesses better flexibility and generality， representing the development of r...
2015, 45(7): 84-88.
doi: 10.13204/j.gyjz201507018
Abstract:
In this paper，a wind disaster vulnerability analysis of a cat-head-shaped transmission tower based on probability reliability was presented． The diagrams of the wind disaster vulnerability of the transmission tower in different damage state were draw...
In this paper，a wind disaster vulnerability analysis of a cat-head-shaped transmission tower based on probability reliability was presented． The diagrams of the wind disaster vulnerability of the transmission tower in different damage state were draw...
2015, 45(7): 89-94.
doi: 10.13204/j.gyjz201507019
Abstract:
In order to study the filled with wall material mechanical properties of recycled aggregate and strength degradation rule in disaster ( flood，fire) environment，five-factor and four-level orthogonal test methods were used to do mix combination design ...
In order to study the filled with wall material mechanical properties of recycled aggregate and strength degradation rule in disaster ( flood，fire) environment，five-factor and four-level orthogonal test methods were used to do mix combination design ...
2015, 45(7): 95-101.
doi: 10.13204/j.gyjz201507020
Abstract:
To research the fatigue behavior of the prestressed concrete beams with pretensioned bent-up tendons，2 prestressed concrete beams ( span = 7. 5 m) with pretensioned bent-up tendons were designed and made，and the fatigue behavior test and the last sta...
To research the fatigue behavior of the prestressed concrete beams with pretensioned bent-up tendons，2 prestressed concrete beams ( span = 7. 5 m) with pretensioned bent-up tendons were designed and made，and the fatigue behavior test and the last sta...
2015, 45(7): 102-107.
doi: 10.13204/j.gyjz201507021
Abstract:
The characteristics of elastic response spectra and hysteretic energy spectra for two kinds of near-fault ground motions were analyzied whose results were compared with the ones for general ground motions． It was concluded that the effects of the sai...
The characteristics of elastic response spectra and hysteretic energy spectra for two kinds of near-fault ground motions were analyzied whose results were compared with the ones for general ground motions． It was concluded that the effects of the sai...
2015, 45(7): 108-112.
doi: 10.13204/j.gyjz201507022
Abstract:
The constitutive relationship of soil aroud pile was described by fractional derivative viscoelastic model， and the pile-soil dynamic torsional interaction was modeled by equivalent torsional Winkler spring-damper，and the stiffness and damping coeffi...
The constitutive relationship of soil aroud pile was described by fractional derivative viscoelastic model， and the pile-soil dynamic torsional interaction was modeled by equivalent torsional Winkler spring-damper，and the stiffness and damping coeffi...
2015, 45(7): 113-117.
doi: 10.13204/j.gyjz201507023
Abstract:
Under high temperature，mechanical properties of the concrete structure，especially the tensile strength， would be seriously deteriorated in fire fighting． In order to study the effect of different temperature and cooling mode on splitting tensile stre...
Under high temperature，mechanical properties of the concrete structure，especially the tensile strength， would be seriously deteriorated in fire fighting． In order to study the effect of different temperature and cooling mode on splitting tensile stre...
2015, 45(7): 118-121.
doi: 10.13204/j.gyjz201507024
Abstract:
The carbon fiber conductive concrete ( CFCC) is a new material with extensive application prospect in the airport pavement deicing． Whereas，cracks in CFCC have a serious influence on the properties of its conductivity． The concrete proportioning desi...
The carbon fiber conductive concrete ( CFCC) is a new material with extensive application prospect in the airport pavement deicing． Whereas，cracks in CFCC have a serious influence on the properties of its conductivity． The concrete proportioning desi...
2015, 45(7): 122-125.
doi: 10.13204/j.gyjz201507025
Abstract:
Half-cell potential method was employed to detect the corrosion of studs in steel-concrete composite structures after natural exposure in air for 7 years，which had experienced mechanical test． It was explored the applicability of ASTM C876 based on d...
Half-cell potential method was employed to detect the corrosion of studs in steel-concrete composite structures after natural exposure in air for 7 years，which had experienced mechanical test． It was explored the applicability of ASTM C876 based on d...
2015, 45(7): 126-131.
doi: 10.13204/j.gyjz201507026
Abstract:
Prestress technology is widely applied in simple beam，continuous beam and continuous rigid frame． Prestressed concrete continuous box girder has big torsion stiffness，big bearing load and good integrality，which is often used for large span，large load...
Prestress technology is widely applied in simple beam，continuous beam and continuous rigid frame． Prestressed concrete continuous box girder has big torsion stiffness，big bearing load and good integrality，which is often used for large span，large load...
2015, 45(7): 132-137.
doi: 10.13204/j.gyjz201507027
Abstract:
The full-scale test of the truss with rotary dish-type fastener was carried out． Based on the test numerical model of the truss with rotary dish-type fastener，the three dimension finite element model was established and the finite element analysis wa...
The full-scale test of the truss with rotary dish-type fastener was carried out． Based on the test numerical model of the truss with rotary dish-type fastener，the three dimension finite element model was established and the finite element analysis wa...
2015, 45(7): 138-141.
doi: 10.13204/j.gyjz201507028
Abstract:
Due to the advantage of high strength and light weight，prestressed concrete structure has been widely used in large-span civilian and military constructions． The control of prestressing construction is the key to ensure the safety of the structure． T...
Due to the advantage of high strength and light weight，prestressed concrete structure has been widely used in large-span civilian and military constructions． The control of prestressing construction is the key to ensure the safety of the structure． T...
2015, 45(7): 142-147.
doi: 10.13204/j.gyjz201507029
Abstract:
Based on equivalent three-strip model and nonlinear static analysis procedure，the static pushover analysis of the three-span steel frame-steel plate shear walls was made by using SAP 2000． Under lateral loads，the loaddisplacement curve，storey drift，p...
Based on equivalent three-strip model and nonlinear static analysis procedure，the static pushover analysis of the three-span steel frame-steel plate shear walls was made by using SAP 2000． Under lateral loads，the loaddisplacement curve，storey drift，p...
2015, 45(7): 148-152.
doi: 10.13204/j.gyjz201507030
Abstract:
A total of seven concrete-filled double skin steel tubular( CFDST) members and one concrete-filled steel tubular( CFST) member were tested under compression and torsion． The outer steel tube of CFDST and CFST members was square hollow section ( SHS) ...
A total of seven concrete-filled double skin steel tubular( CFDST) members and one concrete-filled steel tubular( CFST) member were tested under compression and torsion． The outer steel tube of CFDST and CFST members was square hollow section ( SHS) ...
2015, 45(7): 153-158.
doi: 10.13204/j.gyjz201507031
Abstract:
Based on the OpenSEES software，the expressions of the constraints between the parameters of beam and column under the desired failure mode of SＲC frame structure ( beam hinge failure mechanism) were set up． The optimal objective of the parametric mod...
Based on the OpenSEES software，the expressions of the constraints between the parameters of beam and column under the desired failure mode of SＲC frame structure ( beam hinge failure mechanism) were set up． The optimal objective of the parametric mod...
2015, 45(7): 159-163.
doi: 10.13204/j.gyjz201507032
Abstract:
Six steel reinforced concrete ( SRC) short columns with stud connectors after high temperatures under cyclic reversed loading and six comparative specimens under monotony loading were tested to study their failure pattern，load-slip characteristics an...
Six steel reinforced concrete ( SRC) short columns with stud connectors after high temperatures under cyclic reversed loading and six comparative specimens under monotony loading were tested to study their failure pattern，load-slip characteristics an...
2015, 45(7): 164-169.
doi: 10.13204/j.gyjz201507033
Abstract:
In order to study the wind and shear resistance of container house siding，two kinds of tests were carried out． For the wind resistance test，the wind load under 300 km/h was converted into a free fall impact action in accordance with the principle of ...
In order to study the wind and shear resistance of container house siding，two kinds of tests were carried out． For the wind resistance test，the wind load under 300 km/h was converted into a free fall impact action in accordance with the principle of ...
2015, 45(7): 170-175.
doi: 10.13204/j.gyjz201507034
Abstract:
The experimental research was carried out on the mechanical performance of welded aluminum alloy beamcolumn connections strengthened with CFRP． The paper also discussed the feasibility of this strengthening method． The experiments consist of a set of...
The experimental research was carried out on the mechanical performance of welded aluminum alloy beamcolumn connections strengthened with CFRP． The paper also discussed the feasibility of this strengthening method． The experiments consist of a set of...
2015, 45(7): 176-180.
doi: 10.13204/j.gyjz201507035
Abstract:
For continued construction of the existing steel structure，it is necessary to transform and reinforce the built parts thus，making up the loss of the original structural properties． Load reinforcement technology was used to reinforce steel columns of ...
For continued construction of the existing steel structure，it is necessary to transform and reinforce the built parts thus，making up the loss of the original structural properties． Load reinforcement technology was used to reinforce steel columns of ...
2015, 45(7): 181-184.
doi: 10.13204/j.gyjz201507036
Abstract:
An overall instability occurred in a makeshift aluminum alloy truss roof． Through site reconnaissance and combined with the design drawings，the property of the aluminum alloy material and the structure bearing capacity were analyzed． The mechanical p...
An overall instability occurred in a makeshift aluminum alloy truss roof． Through site reconnaissance and combined with the design drawings，the property of the aluminum alloy material and the structure bearing capacity were analyzed． The mechanical p...
2015, 45(7): 185-188.
doi: 10.13204/j.gyjz201507037
Abstract:
Based on the relocation project of Xun County People's Hospital of Henan Province，according to the constructing scale and the standard of a hospital，how to control the constructing cost and lower the operating costs of the hospital by appropriate tec...
Based on the relocation project of Xun County People's Hospital of Henan Province，according to the constructing scale and the standard of a hospital，how to control the constructing cost and lower the operating costs of the hospital by appropriate tec...
