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2024 Vol. 54, No. 9
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2024, 54(9): 1-9.
doi: 10.3724/j.gyjzG24031816
Abstract:
The Microbially Induced Calcite Precipitation (MICP) grouting technique was conducted to cement strongly weathered granular granite, and the influence on physical and mechanical properties and disintegration characteristics of specimens after being c...
The Microbially Induced Calcite Precipitation (MICP) grouting technique was conducted to cement strongly weathered granular granite, and the influence on physical and mechanical properties and disintegration characteristics of specimens after being c...
2024, 54(9): 10-18.
doi: 10.3724/j.gyjzG22112006
Abstract:
Severe soil erosion in arsenic sandstone areas not only reduces the local vegetation and deteriorates the ecological environment, but also the debris formed by weathered arsenic sandstone constantly migrates into the Yellow River and other rivers, be...
Severe soil erosion in arsenic sandstone areas not only reduces the local vegetation and deteriorates the ecological environment, but also the debris formed by weathered arsenic sandstone constantly migrates into the Yellow River and other rivers, be...
2024, 54(9): 19-25.
doi: 10.3724/j.gyjzG23031311
Abstract:
Microbial-induced calcium carbonate precipitation (MICP) is a new reinforcement and remediation method for contaminated soil, which also provides a new direction to cement drill cuttings. Based on the analysis of the cemented body of highly active ma...
Microbial-induced calcium carbonate precipitation (MICP) is a new reinforcement and remediation method for contaminated soil, which also provides a new direction to cement drill cuttings. Based on the analysis of the cemented body of highly active ma...
Experimental Research on Microbial Grouting Effect on Strength of Granite Residual Soil in Guangdong
2024, 54(9): 26-31.
doi: 10.3724/j.gyjzG23082602
Abstract:
Be aimed at the issue that granite residual soil slopes are prone to landslide in heavy rainfall in Guangdong, the use of microbial induced calcium carbonate precipitation technique to improve the mechanical properties of granite residual soil was pe...
Be aimed at the issue that granite residual soil slopes are prone to landslide in heavy rainfall in Guangdong, the use of microbial induced calcium carbonate precipitation technique to improve the mechanical properties of granite residual soil was pe...
2024, 54(9): 32-42.
doi: 10.3724/j.gyjzG23031904
Abstract:
With the rapid development of industry, the problem of soil contaminated by heavy metals, represented by Zn, has been becoming more and more prominent, and it is important to study the treatment methods and cured effects on Zn-contaminated silt. Base...
With the rapid development of industry, the problem of soil contaminated by heavy metals, represented by Zn, has been becoming more and more prominent, and it is important to study the treatment methods and cured effects on Zn-contaminated silt. Base...
2024, 54(9): 43-50.
doi: 10.3724/j.gyjzG23080412
Abstract:
It is of direct significance to carry out quantitative research on the morphology of microbial cemented constructional waste soil for analyzing the effect of soil improvement. The morphological indexes such as rectangularity, shape indexes, angularit...
It is of direct significance to carry out quantitative research on the morphology of microbial cemented constructional waste soil for analyzing the effect of soil improvement. The morphological indexes such as rectangularity, shape indexes, angularit...
2024, 54(9): 51-56.
doi: 10.3724/j.gyjzG22101309
Abstract:
The improving effect of liquefiable sand strengthened by microbes was influenced by bacterial volumes and transfer rates of slurry in the grouting, redistribution of pores, and etc. Due to differences of internal qualities, densities and other factor...
The improving effect of liquefiable sand strengthened by microbes was influenced by bacterial volumes and transfer rates of slurry in the grouting, redistribution of pores, and etc. Due to differences of internal qualities, densities and other factor...
2024, 54(9): 57-65.
doi: 10.13204/j.gyjzG22102514
Abstract:
Innovating with history and winning through symbiosis. Taking "urban acupuncture" as the starting point, it was proposed that the mainstream of organic renewal of urban blocks should be cell metabolism and acupuncture rather than surgery. Through sor...
Innovating with history and winning through symbiosis. Taking "urban acupuncture" as the starting point, it was proposed that the mainstream of organic renewal of urban blocks should be cell metabolism and acupuncture rather than surgery. Through sor...
2024, 54(9): 66-74.
doi: 10.13204/j.gyjzG22081810
Abstract:
As a typical representative of Chinese landscape culture and a well-known tourist destination at home and abroad, West Lake Scenic Area has achieved remarkable results after nearly three decades of night scene construction. Timely retrospective resea...
As a typical representative of Chinese landscape culture and a well-known tourist destination at home and abroad, West Lake Scenic Area has achieved remarkable results after nearly three decades of night scene construction. Timely retrospective resea...
2024, 54(9): 75-80.
doi: 10.3724/j.gyjzG23110115
Abstract:
In recent years, the number of depression patients in China has sharply increased, posing a serious threat to the lives and health of the people. However, there is a lack of environmental design methods targeting the psychological characteristics and...
In recent years, the number of depression patients in China has sharply increased, posing a serious threat to the lives and health of the people. However, there is a lack of environmental design methods targeting the psychological characteristics and...
2024, 54(9): 81-89.
doi: 10.3724/j.gyjzG23090720
Abstract:
At present, prefabricated concrete shear walls are mostly connected by grouting sleeves, which can lead to defects such as loose grouting during construction. To avoid potential grouting defects, a prefabricated shear wall with vertical steel bars co...
At present, prefabricated concrete shear walls are mostly connected by grouting sleeves, which can lead to defects such as loose grouting during construction. To avoid potential grouting defects, a prefabricated shear wall with vertical steel bars co...
2024, 54(9): 90-99.
doi: 10.3724/j.gyjzG23092702
Abstract:
The structural deformation and failure of reinforced concrete (RC) walls during cooling after one-sided fire was studied by numerical simulations. Heat conduction analysis was carried out by finite element approximation to obtain the temperature dist...
The structural deformation and failure of reinforced concrete (RC) walls during cooling after one-sided fire was studied by numerical simulations. Heat conduction analysis was carried out by finite element approximation to obtain the temperature dist...
2024, 54(9): 100-107.
doi: 10.3724/j.gyjzG23101115
Abstract:
The experiments were designed for the characterizing the damage progress in the stirrup confined concrete. Through the uniaxial compression test, the parametric study was conducted to investigate the effects of loading rate, concrete strength, stirru...
The experiments were designed for the characterizing the damage progress in the stirrup confined concrete. Through the uniaxial compression test, the parametric study was conducted to investigate the effects of loading rate, concrete strength, stirru...
2024, 54(9): 108-114.
doi: 10.3724/j.gyjzG21112303
Abstract:
A double angle steel-shear web joint frame suitable for high intensity area was proposed. A multi-story prefabricated steel structure housing in Xuzhou was selected as the design and test prototype. The seismic performance of the double angle-steel s...
A double angle steel-shear web joint frame suitable for high intensity area was proposed. A multi-story prefabricated steel structure housing in Xuzhou was selected as the design and test prototype. The seismic performance of the double angle-steel s...
2024, 54(9): 115-124.
doi: 10.3724/j.gyjzG21122011
Abstract:
According to the architectural shape and structural characteristics of an actual project, a structural system of sightseeing tower consisting of three twisted columns and one spiral beam was proposed, and the influence laws of column twisting angle θ...
According to the architectural shape and structural characteristics of an actual project, a structural system of sightseeing tower consisting of three twisted columns and one spiral beam was proposed, and the influence laws of column twisting angle θ...
2024, 54(9): 125-132.
doi: 10.3724/j.gyjzG22010405
Abstract:
As a part of the research on the countermeasures of prefabricated steel structure residences under rarely occurred earthquakes, the concept of realizing rapid replaceable resilient function of peripheral wall panel system under rarely occurred earthq...
As a part of the research on the countermeasures of prefabricated steel structure residences under rarely occurred earthquakes, the concept of realizing rapid replaceable resilient function of peripheral wall panel system under rarely occurred earthq...
2024, 54(9): 133-140.
doi: 10.3724/j.gyjzG23082308
Abstract:
In order to study the seismic performance of prefabricated joints in underground space structures, a new type of prefabricated CFST composite column-reinforced concrete beam joint was designed and fabricated and compared with the cast-in-place CFST c...
In order to study the seismic performance of prefabricated joints in underground space structures, a new type of prefabricated CFST composite column-reinforced concrete beam joint was designed and fabricated and compared with the cast-in-place CFST c...
2024, 54(9): 141-148.
doi: 10.3724/j.gyjzG23121108
Abstract:
The traditional back propagation (BP) neural network has some defects in predicting the axial compressive capacity of concrete-filled rectangular steel tube (CFRST), such as system instability, slow convergence speed and difficult selection of hyperp...
The traditional back propagation (BP) neural network has some defects in predicting the axial compressive capacity of concrete-filled rectangular steel tube (CFRST), such as system instability, slow convergence speed and difficult selection of hyperp...
2024, 54(9): 149-155.
doi: 10.3724/j.gyjzG24050615
Abstract:
Concrete-filled double-skin circular aluminum tube short columns consisting of PVC tube inside and aluminum alloy tube outside was taken as the research object, considering two variables of PVC tube diameter and aluminum tube wall thickness, axial co...
Concrete-filled double-skin circular aluminum tube short columns consisting of PVC tube inside and aluminum alloy tube outside was taken as the research object, considering two variables of PVC tube diameter and aluminum tube wall thickness, axial co...
2024, 54(9): 156-162.
doi: 10.3724/j.gyjzG22011706
Abstract:
In order to study the failure mode and the bending capacity of fluxural acrylic beams, a series of tests were conducted on the acrylic and flexural members, so as to obtain the material properties, failure modes and bending capacity. Besides, the DIC...
In order to study the failure mode and the bending capacity of fluxural acrylic beams, a series of tests were conducted on the acrylic and flexural members, so as to obtain the material properties, failure modes and bending capacity. Besides, the DIC...
2024, 54(9): 163-169.
doi: 10.3724/j.gyjzG23102312
Abstract:
In recent years, beam-arch combination system bridges in China has been developing rapidly, the V-shaped continuous rigid frame system beam-arch combination bridge is a new type of structural system. The Fuzhou WanBian Bridge was taken as the enginee...
In recent years, beam-arch combination system bridges in China has been developing rapidly, the V-shaped continuous rigid frame system beam-arch combination bridge is a new type of structural system. The Fuzhou WanBian Bridge was taken as the enginee...
2024, 54(9): 170-176.
doi: 10.3724/j.gyjzG23120806
Abstract:
Modeling by micromechanics is an effective means to study the macroscopic mechanical properties of concrete. By using the ABAQUS finite element software and cohesive element, a three-dimensional mesoscopic model of concrete specimen with random aggre...
Modeling by micromechanics is an effective means to study the macroscopic mechanical properties of concrete. By using the ABAQUS finite element software and cohesive element, a three-dimensional mesoscopic model of concrete specimen with random aggre...
2024, 54(9): 177-184.
doi: 10.3724/j.gyjzG23042807
Abstract:
Sulfate attack is one of the main factors leading to the damage and deterioration of concrete. The prediction of the temporal and spatial distribution of sulfate ions in concrete is the basis of studying the damage and deterioration of concrete. Comp...
Sulfate attack is one of the main factors leading to the damage and deterioration of concrete. The prediction of the temporal and spatial distribution of sulfate ions in concrete is the basis of studying the damage and deterioration of concrete. Comp...
2024, 54(9): 185-190.
doi: 10.3724/j.gyjzG24012606
Abstract:
Magnesium phosphate cement, recognized for its environmental sustainability, boasts attributes such as rapid setting, high early strength, low shrinkage, exceptional bond performance, robust corrosion resistance, and resilience against wear and freez...
Magnesium phosphate cement, recognized for its environmental sustainability, boasts attributes such as rapid setting, high early strength, low shrinkage, exceptional bond performance, robust corrosion resistance, and resilience against wear and freez...
2024, 54(9): 191-197.
doi: 10.3724/j.gyjzG22102404
Abstract:
Microbial Induced Calcium Carbonate Precipitation (MICP) technique is a new method to improve wind erosion and dust resistance of bare soil and protect the ecological environment. The reinforcing mechanisms and curing methods for bare soil cemented b...
Microbial Induced Calcium Carbonate Precipitation (MICP) technique is a new method to improve wind erosion and dust resistance of bare soil and protect the ecological environment. The reinforcing mechanisms and curing methods for bare soil cemented b...
2024, 54(9): 198-208.
doi: 10.3724/j.gyjzG23112502
Abstract:
With the rapid development of prefabricated steel structures in our country, a higher request has been put forward for the connection performance and economic index of exterior wallboard system. Based on a large number of literature retrieval at home...
With the rapid development of prefabricated steel structures in our country, a higher request has been put forward for the connection performance and economic index of exterior wallboard system. Based on a large number of literature retrieval at home...
2024, 54(9): 209-218.
doi: 10.3724/j.gyjzG23051209
Abstract:
Bridge and tunnel engineering is an important branch in the field of civil engineering. With the increasing digitization of construction and upgrades in hardware equipment, computer vision has become a key technology supporting the digital developmen...
Bridge and tunnel engineering is an important branch in the field of civil engineering. With the increasing digitization of construction and upgrades in hardware equipment, computer vision has become a key technology supporting the digital developmen...
Research on Construction and Optimization of Lattice-Based Printing Based on Finite Element Analysis
2024, 54(9): 219-226.
doi: 10.3724/j.gyjzG23100912
Abstract:
In recent years, there has been rapid progress in the use of robotic arms for 3D printing construction, and it has also made significant advancements in the field of architecture. However, the system of lattice-based printing using robotic arm platfo...
In recent years, there has been rapid progress in the use of robotic arms for 3D printing construction, and it has also made significant advancements in the field of architecture. However, the system of lattice-based printing using robotic arm platfo...
2024, 54(9): 227-235.
doi: 10.3724/j.gyjzG23091709
Abstract:
In order to achieve the circumferential discontinuous stepped shaped of the roof canopy of the Chengdu Sport University Stadium, while ensuring the continuity of the structure, a pipe truss with built-up top chord section was proposed. The section pr...
In order to achieve the circumferential discontinuous stepped shaped of the roof canopy of the Chengdu Sport University Stadium, while ensuring the continuity of the structure, a pipe truss with built-up top chord section was proposed. The section pr...
