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2021 Vol. 51, No. 9
Display Method:
2021, 51(9): 1-8,137.
doi: 10.13204/j.gyjzG20082306
Abstract:
Based on the previous finite element analysis, the experiment took the position of the middle column on the lower shoulder beam as the main variable, and three specimens were designed to study the mechanical properties of double-layer shoulder beams ...
Based on the previous finite element analysis, the experiment took the position of the middle column on the lower shoulder beam as the main variable, and three specimens were designed to study the mechanical properties of double-layer shoulder beams ...
2021, 51(9): 9-15,131.
doi: 10.13204/j.gyjzG20082313
Abstract:
In order to study the design method of double shoulder beams with double-limb side columns, four finite element models of double shoulder beams with double-limb side columns were constructed. The finite element numerical simulation method was adopted...
In order to study the design method of double shoulder beams with double-limb side columns, four finite element models of double shoulder beams with double-limb side columns were constructed. The finite element numerical simulation method was adopted...
2021, 51(9): 16-23,81.
doi: 10.13204/j.gyjzG20082308
Abstract:
Targeted at a new type of double-layer shoulder beams with double-limb middle columns of concrete-filled steel tubes (CFST), the failure process, failure mode and strain distribution of two specimens were studied by in-plane uniaxial loading test. Th...
Targeted at a new type of double-layer shoulder beams with double-limb middle columns of concrete-filled steel tubes (CFST), the failure process, failure mode and strain distribution of two specimens were studied by in-plane uniaxial loading test. Th...
2021, 51(9): 24-32.
doi: 10.13204/j.gyjzG20082311
Abstract:
In order to study the mechanical property and failure mode of double-layer shoulder beams, so as to provide theoretical support for the design of the double-layer shoulder beam, three specimens of double-layer shoulder beams with triple-limb side col...
In order to study the mechanical property and failure mode of double-layer shoulder beams, so as to provide theoretical support for the design of the double-layer shoulder beam, three specimens of double-layer shoulder beams with triple-limb side col...
2021, 51(9): 33-40,149.
doi: 10.13204/j.gyjzG20082305
Abstract:
Due to the special structure of double-layer shoulder beams with triple-limb middle columns, the internal force distribution is different from that of double-layer shoulder beams with double-limb or quadruple-limb middle columns. To construct the cal...
Due to the special structure of double-layer shoulder beams with triple-limb middle columns, the internal force distribution is different from that of double-layer shoulder beams with double-limb or quadruple-limb middle columns. To construct the cal...
2021, 51(9): 41-46,165.
doi: 10.13204/j.gyjzG20082303
Abstract:
In order to study the mechanical properties of double-layer shoulder beams with multi-limbe middle columns of concrete-filled steel tubes (CFST) subjected to braking loads,six specimens of double-layer shoulder beams with multi-limb middle columns of...
In order to study the mechanical properties of double-layer shoulder beams with multi-limbe middle columns of concrete-filled steel tubes (CFST) subjected to braking loads,six specimens of double-layer shoulder beams with multi-limb middle columns of...
2021, 51(9): 47-55,74.
doi: 10.13204/j.gyjzG20082310
Abstract:
In order to construct the calculation formula for the horizontal bearing capacity of double-layer shoulder beams with double-limb or quadruple-limb middle columns of concrete-filled steel tubes (CFST). Based on the results of previous tests and finit...
In order to construct the calculation formula for the horizontal bearing capacity of double-layer shoulder beams with double-limb or quadruple-limb middle columns of concrete-filled steel tubes (CFST). Based on the results of previous tests and finit...
2021, 51(9): 56-64.
doi: 10.13204/j.gyjzG21032705
Abstract:
Some historical settlements with characteristics were found in the Xijiang River basin by an analysis of literatures, maps, fields and aerial photographies. Based on deep analysis of its forms, origins, site selection, defense measures, the similarit...
Some historical settlements with characteristics were found in the Xijiang River basin by an analysis of literatures, maps, fields and aerial photographies. Based on deep analysis of its forms, origins, site selection, defense measures, the similarit...
2021, 51(9): 65-74.
doi: 10.13204/j.gyjzG20072313
Abstract:
As an important content of public service facilities carrying public resources and social equity, the equity of distribution for the supporting facilities directly influences the equity of residents' access to public resources. Therefore, based on th...
As an important content of public service facilities carrying public resources and social equity, the equity of distribution for the supporting facilities directly influences the equity of residents' access to public resources. Therefore, based on th...
2021, 51(9): 75-81.
doi: 10.13204/j.gyjzG21011801
Abstract:
The renovation of industrial relics is the mirror of industrial evolution in physical spaces. The paper divided the renovation of industrial relics in Shanghai into four stages according to the industrial evolution since the reform and opening-up. An...
The renovation of industrial relics is the mirror of industrial evolution in physical spaces. The paper divided the renovation of industrial relics in Shanghai into four stages according to the industrial evolution since the reform and opening-up. An...
2021, 51(9): 82-89.
doi: 10.13204/j.gyjzG20042601
Abstract:
A new precast shear wall connected by ultra high performance concrete (UHPC) was introduced in the paper. 5 full-scale shear walls were designed to study the aseismic performances of the precast shear wall subjected to quasi-static cyclic loads. The ...
A new precast shear wall connected by ultra high performance concrete (UHPC) was introduced in the paper. 5 full-scale shear walls were designed to study the aseismic performances of the precast shear wall subjected to quasi-static cyclic loads. The ...
2021, 51(9): 90-97.
doi: 10.13204/j.gyjzG21010604
Abstract:
In order to study the aseismic performance of T-shaped assembled monolithic double-sided composite shear walls with constructional edge members, two full-scale T-shape shear wall specimens were tested. The test results showed that both the composite ...
In order to study the aseismic performance of T-shaped assembled monolithic double-sided composite shear walls with constructional edge members, two full-scale T-shape shear wall specimens were tested. The test results showed that both the composite ...
2021, 51(9): 98-105.
doi: 10.13204/j.gyjzG20081505
Abstract:
The shear performances of concrete deep beams mixed with desert sand were studied, the shear tests for 8 concrete deep beams with desert sand without web reinforcement were conducted subjected to concentrated loads, and the laws of shear-span ratios,...
The shear performances of concrete deep beams mixed with desert sand were studied, the shear tests for 8 concrete deep beams with desert sand without web reinforcement were conducted subjected to concentrated loads, and the laws of shear-span ratios,...
2021, 51(9): 106-112,155.
doi: 10.13204/j.gyjzG20092906
Abstract:
In order to study the influence of pitting corrosion on the stress-strain of concrete confined by stirrups, based on the existing research results, the time-varying damage model of corroded reinforcement with uniform corrosion and pitting corrosion w...
In order to study the influence of pitting corrosion on the stress-strain of concrete confined by stirrups, based on the existing research results, the time-varying damage model of corroded reinforcement with uniform corrosion and pitting corrosion w...
2021, 51(9): 113-120,201.
doi: 10.13204/j.gyjzG21020604
Abstract:
In the current study of seismic vulnerability of old reinforced concrete-frame structure, the influence of different seismic design criteria and durability on the a seismic performance of structure is not considered together, and the damage indicator...
In the current study of seismic vulnerability of old reinforced concrete-frame structure, the influence of different seismic design criteria and durability on the a seismic performance of structure is not considered together, and the damage indicator...
2021, 51(9): 121-126.
doi: 10.13204/j.gyjzG21061514
Abstract:
In order to study the mechanical properties of steel-concrete composite beams with high-strength bolt connectors, single-point static loading was conducted on 4 composite beam specimens by changing the pre-tightening forces of high-strength bolts and...
In order to study the mechanical properties of steel-concrete composite beams with high-strength bolt connectors, single-point static loading was conducted on 4 composite beam specimens by changing the pre-tightening forces of high-strength bolts and...
2021, 51(9): 127-131.
doi: 10.13204/j.gyjzG19082003
Abstract:
To study influence of construction joints and cast-in-place floors on the "strong column and weak beam" for RC plane frames, horizontal low-cycle repeated tests were conducted on three RC plane frames with one story and two spans, the failure modes a...
To study influence of construction joints and cast-in-place floors on the "strong column and weak beam" for RC plane frames, horizontal low-cycle repeated tests were conducted on three RC plane frames with one story and two spans, the failure modes a...
2021, 51(9): 132-137.
doi: 10.13204/j.gyjzG20061402
Abstract:
In order to improve the aseismic performances of Chinese traditional dwellings constructed with rowlock walls, the high ductility cement-based composite (ECC) was used to strengthen the two sides of the walls, and the reinforcement schemes could be d...
In order to improve the aseismic performances of Chinese traditional dwellings constructed with rowlock walls, the high ductility cement-based composite (ECC) was used to strengthen the two sides of the walls, and the reinforcement schemes could be d...
2021, 51(9): 138-142,221.
doi: 10.13204/j.gyjzG20080402
Abstract:
An innovative self-centering friction damper was proposed by utilizing the superelastic property of shape-memory alloy (SMA). The damper with a simple structural configuration and clear load-transfer mechanism, consisted of the self-centering device ...
An innovative self-centering friction damper was proposed by utilizing the superelastic property of shape-memory alloy (SMA). The damper with a simple structural configuration and clear load-transfer mechanism, consisted of the self-centering device ...
2021, 51(9): 143-149.
doi: 10.13204/j.gyjzG20121417
Abstract:
The dowel-type connection in timber structures with slotted steel plates is a common connection in timber structure engineering, in order to facilitate the design of the timber structure engineering, compression tests of the timber dowel groove and d...
The dowel-type connection in timber structures with slotted steel plates is a common connection in timber structure engineering, in order to facilitate the design of the timber structure engineering, compression tests of the timber dowel groove and d...
2021, 51(9): 150-155.
doi: 10.13204/j.gyjzG20061301
Abstract:
Recognition of bridge dynamic characteristics by vehicle vibration responses has the outstanding advantages of convenience, high efficiency and no impact on traffic. Constraint equations were used to simulate vehicle-bridge contact, the finite elemen...
Recognition of bridge dynamic characteristics by vehicle vibration responses has the outstanding advantages of convenience, high efficiency and no impact on traffic. Constraint equations were used to simulate vehicle-bridge contact, the finite elemen...
2021, 51(9): 156-160.
doi: 10.13204/j.gyjzG20041201
Abstract:
The climbing stage is a very unfavorable load case for the temporary supports of internal climbing tower cranes. Due to the short action time of loads, the vertical loads will make obvious dynamic effects. Based on measured data the Tower J of Shenwa...
The climbing stage is a very unfavorable load case for the temporary supports of internal climbing tower cranes. Due to the short action time of loads, the vertical loads will make obvious dynamic effects. Based on measured data the Tower J of Shenwa...
2021, 51(9): 161-165.
doi: 10.13204/j.gyjzG20041202
Abstract:
Temporary supports transfer loads from tower cranes to permanent structures, which is an important temporary structure in the construction of super high-rise buildings. Two different internal climbing tower cranes and temporary supports used in the c...
Temporary supports transfer loads from tower cranes to permanent structures, which is an important temporary structure in the construction of super high-rise buildings. Two different internal climbing tower cranes and temporary supports used in the c...
2021, 51(9): 166-172,126.
doi: 10.13204/j.gyjzG20051003
Abstract:
Various systematic lumped-parameter modes have been developed in recent studies for efficiently representing the dynamic behaviors of unbounded soil. Those systematic lumped-parameter modes are merely constructed by arranging several spring and dampe...
Various systematic lumped-parameter modes have been developed in recent studies for efficiently representing the dynamic behaviors of unbounded soil. Those systematic lumped-parameter modes are merely constructed by arranging several spring and dampe...
2021, 51(9): 173-176,196.
doi: 10.13204/j.gyjzG20091705
Abstract:
To study the influence of different loading points and different loading directions on the load transfer characteristics of a single pile, model tests of the axial compressive piles without or with soil at pile tips and bottom-lifted piles in the sam...
To study the influence of different loading points and different loading directions on the load transfer characteristics of a single pile, model tests of the axial compressive piles without or with soil at pile tips and bottom-lifted piles in the sam...
2021, 51(9): 177-180.
doi: 10.13204/j.gyjzG20070106
Abstract:
Based on the thermal conductivity coefficients of soil skeletons obtained by experiments and the microscopic mechanism of interaction between soil particles and pore water, the influence of the pore water content on thermal conductivity coefficients ...
Based on the thermal conductivity coefficients of soil skeletons obtained by experiments and the microscopic mechanism of interaction between soil particles and pore water, the influence of the pore water content on thermal conductivity coefficients ...
2021, 51(9): 181-187.
doi: 10.13204/j.gyjzG20090802
Abstract:
Uniaxial compression experiments were conducted for pyroxenite specimens with pre-slotted fissures by the rock mechanics servo-controlled testing system. The laws of initiation, propagation and coalescence of rock specimens with different numbers of ...
Uniaxial compression experiments were conducted for pyroxenite specimens with pre-slotted fissures by the rock mechanics servo-controlled testing system. The laws of initiation, propagation and coalescence of rock specimens with different numbers of ...
2021, 51(9): 188-196.
doi: 10.13204/j.gyjzG21022004
Abstract:
The cooperative work of high ductility cement-based composites and hyperelastic shape-memory alloy (SMA) can improve the energy-dissipation capacity and self-repair capacity of structure. The use of shape-memory alloy fiber can effectively solve some...
The cooperative work of high ductility cement-based composites and hyperelastic shape-memory alloy (SMA) can improve the energy-dissipation capacity and self-repair capacity of structure. The use of shape-memory alloy fiber can effectively solve some...
2021, 51(9): 197-201.
doi: 10.13204/j.gyjzG20072117
Abstract:
In order to study the effect of freezing laws for concrete pores on compressive strength in permafrost regions, a self-made low-temperature compressive testing machine was used to gauge the concrete compressive strength. The laws of ice content in di...
In order to study the effect of freezing laws for concrete pores on compressive strength in permafrost regions, a self-made low-temperature compressive testing machine was used to gauge the concrete compressive strength. The laws of ice content in di...
2021, 51(9): 202-206,229.
doi: 10.13204/j.gyjzG20051212
Abstract:
Based on the idea of the equivalent parameters method and energy method, the theoretical formula of composite variable cross-section struts was deduced. Firstly, the wall of the composite compression strut was equivalent to an orthotropic shell whose...
Based on the idea of the equivalent parameters method and energy method, the theoretical formula of composite variable cross-section struts was deduced. Firstly, the wall of the composite compression strut was equivalent to an orthotropic shell whose...
2021, 51(9): 207-215.
doi: 10.13204/j.gyjzG21020316
Abstract:
For grouting sleeve members, the cement-based grouting material in the grouting sleeve is regarded as the concrete in a broad sense. In order to study the effectiveness of ultrasonic tomography in nondestructive testing of the compactness of grouting...
For grouting sleeve members, the cement-based grouting material in the grouting sleeve is regarded as the concrete in a broad sense. In order to study the effectiveness of ultrasonic tomography in nondestructive testing of the compactness of grouting...
2021, 51(9): 216-221.
doi: 10.13204/j.gyjzG21012703
Abstract:
The Jinan convent, built in 1983, is a historical building of two-story masonry-timber structure with a loft.It was monolithiclly moved in June 2020 by Self-Propelled Modular Trailers. and which was the largest masonry structure building moved by tra...
The Jinan convent, built in 1983, is a historical building of two-story masonry-timber structure with a loft.It was monolithiclly moved in June 2020 by Self-Propelled Modular Trailers. and which was the largest masonry structure building moved by tra...
2021, 51(9): 222-229.
doi: 10.13204/j.gyjzG20070708
Abstract:
Baned on in-depth analysis of the concept and connotations of the railroad heritage in UK, the early history of railroad development in UK, the generation of the railroad heritage and its conservation history were sorted out; the promoting roles and ...
Baned on in-depth analysis of the concept and connotations of the railroad heritage in UK, the early history of railroad development in UK, the generation of the railroad heritage and its conservation history were sorted out; the promoting roles and ...
