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2022 Vol. 52, No. 4
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2022, 52(4): 1-9.
doi: 10.13204/j.gyjzG21052801
Abstract:
Housing performance evaluation is the basis and key for the improvement of the performance of beautiful rural houses under the national village revitalization strategy. Moreover, the performance of beautiful rural houses not only includes "safety and...
Housing performance evaluation is the basis and key for the improvement of the performance of beautiful rural houses under the national village revitalization strategy. Moreover, the performance of beautiful rural houses not only includes "safety and...
2022, 52(4): 16-22.
doi: 10.13204/j.gyjzG21052504
Abstract:
Jingyu Street, which is centered on the historical block of Baroque, has not been effective after two phases of renovation. The activation of the old district is in a dilemma, so it is urgent to inject fresh vitality from the perspective of transform...
Jingyu Street, which is centered on the historical block of Baroque, has not been effective after two phases of renovation. The activation of the old district is in a dilemma, so it is urgent to inject fresh vitality from the perspective of transform...
2022, 52(4): 23-34.
doi: 10.13204/j.gyjzG21061702
Abstract:
The regional architecture in China is of the strong features of form orientation. The study of traditional green construction wisdom with great regionality not only responds to the country’s calls to develop green buildings, but also pays attention t...
The regional architecture in China is of the strong features of form orientation. The study of traditional green construction wisdom with great regionality not only responds to the country’s calls to develop green buildings, but also pays attention t...
2022, 52(4): 35-39.
doi: 10.13204/j.gyjzG21060706
Abstract:
The current urban planning is paying more and more attention to the mixed-use development mode, and the development of urban stock also puts forward new requirements for the regeneration of the fast-growing industrial heritage. Through sorting out th...
The current urban planning is paying more and more attention to the mixed-use development mode, and the development of urban stock also puts forward new requirements for the regeneration of the fast-growing industrial heritage. Through sorting out th...
2022, 52(4): 40-49,97.
doi: 10.13204/j.gyjzG21060107
Abstract:
The longitudinal steel bars of beams generally produce a obvious bond-slip deformation in reinforced concrete (RC) beam-column joints under strong earthquake excitation. The key issue of finite element model of RC joint is to correctly describe the b...
The longitudinal steel bars of beams generally produce a obvious bond-slip deformation in reinforced concrete (RC) beam-column joints under strong earthquake excitation. The key issue of finite element model of RC joint is to correctly describe the b...
2022, 52(4): 50-55,90.
doi: 10.13204/j.gyjzG20092801
Abstract:
The seismic performance of low-rise cold-formed thin-walled steel buildings is good, it is not clear when the structural system changes from low-rise building to multi-story building. In addition, the seismic action increased with the increase of bui...
The seismic performance of low-rise cold-formed thin-walled steel buildings is good, it is not clear when the structural system changes from low-rise building to multi-story building. In addition, the seismic action increased with the increase of bui...
2022, 52(4): 56-61.
doi: 10.13204/j.gyjzG20082905
Abstract:
At present, steel tubular structures have been widely used in engineering. When a circular hollow sections (CHS) T-joint transmits the axial compression through its brace, the joint often damages due to large deformation at the joint zone. In order t...
At present, steel tubular structures have been widely used in engineering. When a circular hollow sections (CHS) T-joint transmits the axial compression through its brace, the joint often damages due to large deformation at the joint zone. In order t...
2022, 52(4): 62-69,208.
doi: 10.13204/j.gyjzG20041801
Abstract:
A novel buckling-restrained butterfly-shaped steel plate wall that restrict the overall buckling by channel steel was proposed, which can provide certain lateral stiffness together with improving the energy dissipation capacity for the structure. The...
A novel buckling-restrained butterfly-shaped steel plate wall that restrict the overall buckling by channel steel was proposed, which can provide certain lateral stiffness together with improving the energy dissipation capacity for the structure. The...
2022, 52(4): 70-73.
doi: 10.13204/j.gyjzG20060112
Abstract:
In order to study the ultimate bearing capacity of the single-layer spherical reticulated shell structure, based on the BP neural network algorithm of TensorFlow, a neural network model was established to predict the ultimate bearing capacity of the ...
In order to study the ultimate bearing capacity of the single-layer spherical reticulated shell structure, based on the BP neural network algorithm of TensorFlow, a neural network model was established to predict the ultimate bearing capacity of the ...
2022, 52(4): 74-83.
doi: 10.13204/j.gyjzG21010406
Abstract:
A modular composite joint suitable for the industrialization of buildings was proposed. Three basic specimens were designed with the concept of beam-column-joint core area separation and modular prefabrication. Through the quasi-static test, the fail...
A modular composite joint suitable for the industrialization of buildings was proposed. Three basic specimens were designed with the concept of beam-column-joint core area separation and modular prefabrication. Through the quasi-static test, the fail...
2022, 52(4): 84-90.
doi: 10.13204/j.gyjzG20050712
Abstract:
A quasi-static loading test was conducted on four full-scaled models of prefabricated steel-concrete composite tube (SRCT) shear walls to evaluate the seismic performance. The test results were analyzed in terms of failure mode, bearing capacity, hys...
A quasi-static loading test was conducted on four full-scaled models of prefabricated steel-concrete composite tube (SRCT) shear walls to evaluate the seismic performance. The test results were analyzed in terms of failure mode, bearing capacity, hys...
2022, 52(4): 91-97.
doi: 10.13204/j.gyjzG21012609
Abstract:
The existing experimental studies showed that the seismic performance of prefabricated cylindrical pier with hybrid joint was better than that of cast-in-place pier, but the experimental research on the mechanical properties of this kind of assembled...
The existing experimental studies showed that the seismic performance of prefabricated cylindrical pier with hybrid joint was better than that of cast-in-place pier, but the experimental research on the mechanical properties of this kind of assembled...
2022, 52(4): 98-106.
doi: 10.13204/j.gyjzG20081704
Abstract:
The effect of shear connectors on mechanical and deformation properties of steel-plate concrete composite walls subjected to axial compressive loading was studied through experiment and finite element numerical simulation. The testing program involve...
The effect of shear connectors on mechanical and deformation properties of steel-plate concrete composite walls subjected to axial compressive loading was studied through experiment and finite element numerical simulation. The testing program involve...
2022, 52(4): 107-113.
doi: 10.13204/j.gyjzG21081309
Abstract:
A kind of cross laminated timber (CLT) wall-to-floor joint with angle brackets was studied. Firstly, the smooth-thread shear, transverse shear, withdrawal resistance and failure modes of two self-tapping screws in CLT plate were studied to estimate t...
A kind of cross laminated timber (CLT) wall-to-floor joint with angle brackets was studied. Firstly, the smooth-thread shear, transverse shear, withdrawal resistance and failure modes of two self-tapping screws in CLT plate were studied to estimate t...
2022, 52(4): 114-121.
doi: 10.13204/j.gyjzG21050610
Abstract:
In order to describe the stress-strain characteristics of strain-softening soil subjected to freeze-thaw cycling, an improved hyperbolic model was proposed. Based on the traditional Kondner hyperbolic model and the definition of secant modulus, the b...
In order to describe the stress-strain characteristics of strain-softening soil subjected to freeze-thaw cycling, an improved hyperbolic model was proposed. Based on the traditional Kondner hyperbolic model and the definition of secant modulus, the b...
2022, 52(4): 122-125,73.
doi: 10.13204/j.gyjzG21021603
Abstract:
The remolded saturated cohesive soil with the same initial state was consolidated at different loading rates, and the specimens were measured by nuclear magnetic resonance (NMR) in different loading stages. And then the relation of transverse relaxat...
The remolded saturated cohesive soil with the same initial state was consolidated at different loading rates, and the specimens were measured by nuclear magnetic resonance (NMR) in different loading stages. And then the relation of transverse relaxat...
2022, 52(4): 126-132.
doi: 10.13204/j.gyjzG21051110
Abstract:
In order to study the relations among the constant resistance value of sliding anchor bolts with expanded heads and the anchor bolt sizes, the elastoplastic theoretical formula was deduced based on the elastic theory for the constant resistance of la...
In order to study the relations among the constant resistance value of sliding anchor bolts with expanded heads and the anchor bolt sizes, the elastoplastic theoretical formula was deduced based on the elastic theory for the constant resistance of la...
2022, 52(4): 133-139.
doi: 10.13204/j.gyjzG21032405
Abstract:
The stability of karst foundation is an important guarantee for the safety of ground buildings. Taking an actual engineering of treatment for a giant karst cave under a high-rise building in Guizhou Province as an example, the stability for the roof ...
The stability of karst foundation is an important guarantee for the safety of ground buildings. Taking an actual engineering of treatment for a giant karst cave under a high-rise building in Guizhou Province as an example, the stability for the roof ...
2022, 52(4): 140-145,83.
doi: 10.13204/j.gyjzG21080909
Abstract:
The flexural fatigue tests of natural aggregate concrete (NAC) and recycled aggregate concrete (RAC) were investigated at three different stress levels (S=0.6, 0.7, 0.9) to study the fatigue properties and fatigue reliability of recycled aggregate co...
The flexural fatigue tests of natural aggregate concrete (NAC) and recycled aggregate concrete (RAC) were investigated at three different stress levels (S=0.6, 0.7, 0.9) to study the fatigue properties and fatigue reliability of recycled aggregate co...
2022, 52(4): 146-151,106.
doi: 10.13204/j.gyjzG20100804
Abstract:
The paper presented the results of the in-situ test and experimental study on a reinforced concrete industrial plant in Xi'an. The pH values of the pore solution in the cylinder samples were measured layer-by-layer by expression method. The length of...
The paper presented the results of the in-situ test and experimental study on a reinforced concrete industrial plant in Xi'an. The pH values of the pore solution in the cylinder samples were measured layer-by-layer by expression method. The length of...
2022, 52(4): 152-157,132.
doi: 10.13204/j.gyjzG21112105
Abstract:
In order to research the influence of sustained loads on the mechanical properties of concrete, taking the Tianjin Metro Line 6 Lushuidao station as the engineering background, the creep development of concrete under different sustained times and sus...
In order to research the influence of sustained loads on the mechanical properties of concrete, taking the Tianjin Metro Line 6 Lushuidao station as the engineering background, the creep development of concrete under different sustained times and sus...
2022, 52(4): 158-162,185.
doi: 10.13204/j.gyjzG21070809
Abstract:
The thermal and mechanical properties of slag sulfoaluminate cement (S-SAC) and ordinary Portland cement (OPC) were compared and analyzed by isothermal calorimetry, adiabatic temperature rise and compressive strength tests. The results showed that th...
The thermal and mechanical properties of slag sulfoaluminate cement (S-SAC) and ordinary Portland cement (OPC) were compared and analyzed by isothermal calorimetry, adiabatic temperature rise and compressive strength tests. The results showed that th...
2022, 52(4): 163-170,139.
doi: 10.13204/j.gyjzG21091202
Abstract:
In order to study the dynamic mechanical properties of rubber concrete under freeze-thaw cycles, the longitudinal wave velocity of rubber concrete specimens with 10% rubber volume was measured by non-metallic ultrasonic detector, the impact compressi...
In order to study the dynamic mechanical properties of rubber concrete under freeze-thaw cycles, the longitudinal wave velocity of rubber concrete specimens with 10% rubber volume was measured by non-metallic ultrasonic detector, the impact compressi...
2022, 52(4): 171-178.
doi: 10.13204/j.gyjzG21072605
Abstract:
National Speed Skating Oval is the landmark of the 2022 Winter Olympic Games, and the waterproofing of the unitary roofing system for the flexible cable net area is a key issue which needs to be solved. Firstly, based on the relevant cases, the mecha...
National Speed Skating Oval is the landmark of the 2022 Winter Olympic Games, and the waterproofing of the unitary roofing system for the flexible cable net area is a key issue which needs to be solved. Firstly, based on the relevant cases, the mecha...
2022, 52(4): 179-185.
doi: 10.13204/j.gyjzG21040204
Abstract:
To predict the lateral pressure of formwork more accurately, an experiment aims to investigate the influence on lateral pressure of formwork caused by the time-varying characteristics of friction coefficient μ and reduction coefficient K was conducte...
To predict the lateral pressure of formwork more accurately, an experiment aims to investigate the influence on lateral pressure of formwork caused by the time-varying characteristics of friction coefficient μ and reduction coefficient K was conducte...
2022, 52(4): 186-191,121.
doi: 10.13204/j.gyjzG21101503
Abstract:
Engineering leakage is a long-term "stubborn disease" of engineering quality, which is the key problem during promoting the high-quality development of engineering construction. For the sake of implementing of people-oriented development concept, imp...
Engineering leakage is a long-term "stubborn disease" of engineering quality, which is the key problem during promoting the high-quality development of engineering construction. For the sake of implementing of people-oriented development concept, imp...
2022, 52(4): 192-201,218.
doi: 10.13204/j.gyjzG21053111
Abstract:
In order to improve the automation level of bridge disease detection, solve the current manual detection time-consuming and laborious, traditional image segmentation methods have problems such as non-obvious denoising effect and poor crack continuity...
In order to improve the automation level of bridge disease detection, solve the current manual detection time-consuming and laborious, traditional image segmentation methods have problems such as non-obvious denoising effect and poor crack continuity...
2022, 52(4): 202-208.
doi: 10.13204/j.gyjzG21062919
Abstract:
Three-dimensional (3D) laser scanner with high-accuracy data, little environment-induced effect and easy operation is preferred to reconstruction of building information models. Well-selected locations of 3D laser scanner depend on knowledge, experie...
Three-dimensional (3D) laser scanner with high-accuracy data, little environment-induced effect and easy operation is preferred to reconstruction of building information models. Well-selected locations of 3D laser scanner depend on knowledge, experie...
2022, 52(4): 209-218.
doi: 10.13204/j.gyjzG21021702
Abstract:
In order to deal with a series of urban problems caused by social, economic, cultural, transportation and other multidimensional factors under the background of rapid urbanization, researchers have turned to the public transport-oriented urban land d...
In order to deal with a series of urban problems caused by social, economic, cultural, transportation and other multidimensional factors under the background of rapid urbanization, researchers have turned to the public transport-oriented urban land d...
