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2020 Vol. 50, No. 4
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2020, 50(4): 10-18.
doi: 10.13204/j.gyjz202004003
Abstract:
Rebar truss composite floor has good mechanical properties, less formwork, and good overall performance and seismic performance, and was widely used in prefabricated steel structures. However, the beams, walls and floors were separately poured into c...
Rebar truss composite floor has good mechanical properties, less formwork, and good overall performance and seismic performance, and was widely used in prefabricated steel structures. However, the beams, walls and floors were separately poured into c...
2020, 50(4): 19-23.
doi: 10.13204/j.gyjz202004004
Abstract:
As a new bridge structure component, the GQFGJX improved modular expansion device has been widely used in the Liupanshui-Weining section of Duyun highway to Shangri-La. Three full-scale test models were established for the middle beam and cross beam ...
As a new bridge structure component, the GQFGJX improved modular expansion device has been widely used in the Liupanshui-Weining section of Duyun highway to Shangri-La. Three full-scale test models were established for the middle beam and cross beam ...
2020, 50(4): 24-29.
doi: 10.13204/j.gyjz202004005
Abstract:
Different from common seismic structures, due to the vertical deformation of the isolation bearing, certain rigid body rotation will occur in the base-isolated structure under the action of earthquake, thus affecting the lateral stiffness of the supe...
Different from common seismic structures, due to the vertical deformation of the isolation bearing, certain rigid body rotation will occur in the base-isolated structure under the action of earthquake, thus affecting the lateral stiffness of the supe...
2020, 50(4): 30-38.
doi: 10.13204/j.gyjz202004006
Abstract:
In order to verify the damping effect of the suspended coal bucket TMD on the structure of the thermal power plant, a structural finite element model was established to compare the damping effects of the one-way and two-way seismic action, and a stru...
In order to verify the damping effect of the suspended coal bucket TMD on the structure of the thermal power plant, a structural finite element model was established to compare the damping effects of the one-way and two-way seismic action, and a stru...
2020, 50(4): 39-43,38.
doi: 10.13204/j.gyjz202004007
Abstract:
The model of LNG (liquefied natural gas) storage tank was established by finite element method with the consideration of liquid-structure interaction. The column had the negative vertical displacement constrained by contact algorithm with upward upli...
The model of LNG (liquefied natural gas) storage tank was established by finite element method with the consideration of liquid-structure interaction. The column had the negative vertical displacement constrained by contact algorithm with upward upli...
2020, 50(4): 44-48,65.
doi: 10.13204/j.gyjz202004008
Abstract:
The mechanical properties of long rectangular section poplar columns strengthened with BFRP fiber cloth are different. By respectively pasting at intervals of 1 layer and 2 layers of BFRP on the poplar columns, the axial compression test was conducte...
The mechanical properties of long rectangular section poplar columns strengthened with BFRP fiber cloth are different. By respectively pasting at intervals of 1 layer and 2 layers of BFRP on the poplar columns, the axial compression test was conducte...
2020, 50(4): 49-53.
doi: 10.13204/j.gyjz202004009
Abstract:
In order to study the influence of different confining pressure and consolidation stress ratio on the dynamic strength of red sandstone weathered soil, a series of consolidated undrained triaxial tests were carried out by GDS dynamic triaxial test sy...
In order to study the influence of different confining pressure and consolidation stress ratio on the dynamic strength of red sandstone weathered soil, a series of consolidated undrained triaxial tests were carried out by GDS dynamic triaxial test sy...
2020, 50(4): 54-59,18.
doi: 10.13204/j.gyjz202004010
Abstract:
Prediction about settlement of concrete foundation for transmission line tower is an important basis for designing transmission line. Settlement monitoring of foundation is a common method to detect the inclination of transmission tower. The calculat...
Prediction about settlement of concrete foundation for transmission line tower is an important basis for designing transmission line. Settlement monitoring of foundation is a common method to detect the inclination of transmission tower. The calculat...
2020, 50(4): 60-65.
doi: 10.13204/j.gyjz202004011
Abstract:
Aiming at an actual substation engineering slope treatment, the model tests of the filled slope treated by different geotechnical reinforcement methods were conducted to investigate the vertical settlement and lateral displacement of the slope, and c...
Aiming at an actual substation engineering slope treatment, the model tests of the filled slope treated by different geotechnical reinforcement methods were conducted to investigate the vertical settlement and lateral displacement of the slope, and c...
2020, 50(4): 66-70.
doi: 10.13204/j.gyjz202004012
Abstract:
Based on the Guangzhou subway undercrossing structure, the structural deformation of the existing vehicular tunnel and the soil deformation were comprehensively analyzed, and an appropriate plan about the newly-built tunnel was proposed. The main con...
Based on the Guangzhou subway undercrossing structure, the structural deformation of the existing vehicular tunnel and the soil deformation were comprehensively analyzed, and an appropriate plan about the newly-built tunnel was proposed. The main con...
2020, 50(4): 71-75.
doi: 10.13204/j.gyjz202004013
Abstract:
Moso bamboo, reputed as "green steel", has the advantages of light weight, high strength, and being environmental friendly. Moreover, Moso bamboo with high efficiency of carbon sequestration, grows fast can be decomposed and recycled, making it parti...
Moso bamboo, reputed as "green steel", has the advantages of light weight, high strength, and being environmental friendly. Moreover, Moso bamboo with high efficiency of carbon sequestration, grows fast can be decomposed and recycled, making it parti...
2020, 50(4): 76-81.
doi: 10.13204/j.gyjz202004014
Abstract:
Geopolymer concrete was prepared with a mixture of high-activity metakaolin excited by fly ash with sodium waterglass (Na2O·mSiO2). The damage degree of geopolymer concrete immersed in the saline solution (3.5% NaCl solution, 3.5% Na2SO4 solution, 3....
Geopolymer concrete was prepared with a mixture of high-activity metakaolin excited by fly ash with sodium waterglass (Na2O·mSiO2). The damage degree of geopolymer concrete immersed in the saline solution (3.5% NaCl solution, 3.5% Na2SO4 solution, 3....
2020, 50(4): 82-87.
doi: 10.13204/j.gyjz202004015
Abstract:
In order to solve the problem of premature destruction of concrete drains during sewage treatment, the idea of using ultra high performance concrete (UHPC) instead of ordinary concrete was put forward. For study the feasibility, simulated industrial ...
In order to solve the problem of premature destruction of concrete drains during sewage treatment, the idea of using ultra high performance concrete (UHPC) instead of ordinary concrete was put forward. For study the feasibility, simulated industrial ...
2020, 50(4): 88-92.
doi: 10.13204/j.gyjz202004016
Abstract:
Shotcrete has the advantages of short setting time, high bond strength and good supporting effect. However, there are many disadvantages in the engineering application of shotcrete, such as high rebound ratio and unqualified sprayed quality. This pap...
Shotcrete has the advantages of short setting time, high bond strength and good supporting effect. However, there are many disadvantages in the engineering application of shotcrete, such as high rebound ratio and unqualified sprayed quality. This pap...
2020, 50(4): 93-96.
doi: 10.13204/j.gyjz202004017
Abstract:
In the reconstruction tall-rotating process of the old urban area, it is often necessary to clear the natural or artificial structures that affect the proposed project. How to protect key structures in the process of obstacle clearance has become the...
In the reconstruction tall-rotating process of the old urban area, it is often necessary to clear the natural or artificial structures that affect the proposed project. How to protect key structures in the process of obstacle clearance has become the...
2020, 50(4): 97-102,92.
doi: 10.13204/j.gyjz202004018
Abstract:
Considering the effect of covering membrane based on the cable-supported structure without inner hoop, the collaborative form-finding analysis of the whole model was carried out, and the steps of collaborative form-finding were given. The rationality...
Considering the effect of covering membrane based on the cable-supported structure without inner hoop, the collaborative form-finding analysis of the whole model was carried out, and the steps of collaborative form-finding were given. The rationality...
2020, 50(4): 103-110.
doi: 10.13204/j.gyjz202004019
Abstract:
The composite structure which is composed of cable-supported arch truss and single-layer cylindrical reticulated shell structure combines the advantages of cable-supported arch truss structure and single-layer reticulated shell structure, both the ho...
The composite structure which is composed of cable-supported arch truss and single-layer cylindrical reticulated shell structure combines the advantages of cable-supported arch truss structure and single-layer reticulated shell structure, both the ho...
2020, 50(4): 111-117,87.
doi: 10.13204/j.gyjz202004020
Abstract:
In order to study the influence of the stiffness matching relationship between the embedded steel plate and the replaceable toe damper of the steel plate shear wall on its seismic performance, a steel plate shear wall specimen with damper was designe...
In order to study the influence of the stiffness matching relationship between the embedded steel plate and the replaceable toe damper of the steel plate shear wall on its seismic performance, a steel plate shear wall specimen with damper was designe...
2020, 50(4): 118-124.
doi: 10.13204/j.gyjz202004021
Abstract:
The paper presented a new structural form of the floor, M-shaped steel truss floor, to improve the thermal insulation and mechanical properties of the floor. Two M-shaped steel truss floors with different steel thicknesses were designed and static te...
The paper presented a new structural form of the floor, M-shaped steel truss floor, to improve the thermal insulation and mechanical properties of the floor. Two M-shaped steel truss floors with different steel thicknesses were designed and static te...
2020, 50(4): 125-131,144.
doi: 10.13204/j.gyjz202004022
Abstract:
In order to study the static bearing capacity of stainless steel bolted T-stub connections, the finite element models were developed to take into account the nonlinear material properties, contact conditions and prying forces. Parametric analyses wer...
In order to study the static bearing capacity of stainless steel bolted T-stub connections, the finite element models were developed to take into account the nonlinear material properties, contact conditions and prying forces. Parametric analyses wer...
2020, 50(4): 132-137.
doi: 10.13204/j.gyjz202004023
Abstract:
In order to evaluate the influences of time-dependent properties of concrete to composite beams, a finite element numerical analysis was carried out to simulate the long-term performance of steel-concrete composite beams. The long-term properties of ...
In order to evaluate the influences of time-dependent properties of concrete to composite beams, a finite element numerical analysis was carried out to simulate the long-term performance of steel-concrete composite beams. The long-term properties of ...
2020, 50(4): 138-144.
doi: 10.13204/j.gyjz202004024
Abstract:
Relying on long-span bridges to build tourist platforms and enhance tourist attractions is an important measure to develop tourism resources and jointly seek economic and social utilization. In order to build a sightseeing platform on the top of the ...
Relying on long-span bridges to build tourist platforms and enhance tourist attractions is an important measure to develop tourism resources and jointly seek economic and social utilization. In order to build a sightseeing platform on the top of the ...
2020, 50(4): 145-150.
doi: 10.13204/j.gyjz202004025
Abstract:
In Eurocode 4, adverse effects of creep are expressed as the reduction factor of concrete elastic modulus, which is the function of time including a constant creep multiplier and creep coefficient. However, the constant creep multiplier can not refle...
In Eurocode 4, adverse effects of creep are expressed as the reduction factor of concrete elastic modulus, which is the function of time including a constant creep multiplier and creep coefficient. However, the constant creep multiplier can not refle...
2020, 50(4): 151-155.
doi: 10.13204/j.gyjz202004026
Abstract:
With the consideration of tension stiffness between FRP bars and concrete, a finite strip analysis procedure for FRP bar concrete beams was established and the bending behavior of FRP bar concrete beam was simulated. Based on the numerical results, a...
With the consideration of tension stiffness between FRP bars and concrete, a finite strip analysis procedure for FRP bar concrete beams was established and the bending behavior of FRP bar concrete beam was simulated. Based on the numerical results, a...
2020, 50(4): 156-161,137.
doi: 10.13204/j.gyjz202004027
Abstract:
Through the experimental research on the shear resistance of BFRP (Basalt Fiber-Reinforced Polylmer) reinforced concrete beams considering recycled aggregate replacement ratio, shear span ratio and reinforcement ratio, the effects of crack propagatio...
Through the experimental research on the shear resistance of BFRP (Basalt Fiber-Reinforced Polylmer) reinforced concrete beams considering recycled aggregate replacement ratio, shear span ratio and reinforcement ratio, the effects of crack propagatio...
2020, 50(4): 162-167,150.
doi: 10.13204/j.gyjz202004028
Abstract:
The mechanical properties of composite cross arms made of glass fiber reinforced polymer for 500 kV and 220 kV transmission line were studied. Static test and numerical analysis of two types of composite cross arms under different load conditions wer...
The mechanical properties of composite cross arms made of glass fiber reinforced polymer for 500 kV and 220 kV transmission line were studied. Static test and numerical analysis of two types of composite cross arms under different load conditions wer...
2020, 50(4): 168-174,155.
doi: 10.13204/j.gyjz202004029
Abstract:
In the Forbidden City, the last process of roof construction of an ancient building is that a ceremony named "Helong" is held. In the ceremony, a worker buries a costful box in the middle of the ridge. The box is filled with "Zhenwu", which means goo...
In the Forbidden City, the last process of roof construction of an ancient building is that a ceremony named "Helong" is held. In the ceremony, a worker buries a costful box in the middle of the ridge. The box is filled with "Zhenwu", which means goo...
2020, 50(4): 175-179.
doi: 10.13204/j.gyjz202004030
Abstract:
With the improvement of infrastructure construction, the more complicated infrastructure construction is, the more corresponding risk factors are. In order to create a safe and good construction environment, reduce occurrence of the risks, and enhanc...
With the improvement of infrastructure construction, the more complicated infrastructure construction is, the more corresponding risk factors are. In order to create a safe and good construction environment, reduce occurrence of the risks, and enhanc...
2020, 50(4): 180-185.
doi: 10.13204/j.gyjz202004031
Abstract:
As a heritage country, Britain has a unique advantage in the quantity and the protection situation of heritage according to the world cultural heritage list. Due to the long process of heritage protection, Britain has its own protection concepts and ...
As a heritage country, Britain has a unique advantage in the quantity and the protection situation of heritage according to the world cultural heritage list. Due to the long process of heritage protection, Britain has its own protection concepts and ...
