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2023 Vol. 53, No. 4
Display Method:
2023, 53(4): 1-7,74.
doi: 10.13204/j.gyjzG21100918
Abstract:
The construction of long-span power transmission lines in China is booming. These transmission lines run through large distances with high-rise towers, and are facing severe challenges from harsh environments. For construction of long-span and ultra ...
The construction of long-span power transmission lines in China is booming. These transmission lines run through large distances with high-rise towers, and are facing severe challenges from harsh environments. For construction of long-span and ultra ...
2023, 53(4): 8-14.
doi: 10.13204/j.gyjzG21070113
Abstract:
To investigate the vibration response characteristics of overhead transmission lines and the influence of icing and anti-vibration dampers, a typical long-span conductor was taken as the research object. The fluctuating wind model was established wit...
To investigate the vibration response characteristics of overhead transmission lines and the influence of icing and anti-vibration dampers, a typical long-span conductor was taken as the research object. The fluctuating wind model was established wit...
2023, 53(4): 15-21.
doi: 10.13204/j.gyjzG20121012
Abstract:
The capacity curves of lattice transmission towers under wind loading were first calculated based on current design codes. According to the stress characteristics of structural components, three performance indexes under the first-passage failure cri...
The capacity curves of lattice transmission towers under wind loading were first calculated based on current design codes. According to the stress characteristics of structural components, three performance indexes under the first-passage failure cri...
2023, 53(4): 22-28.
doi: 10.13204/j.gyjzG21042308
Abstract:
An outlet tunnel adjacent to multiple high-voltage towers will be constructed by borehole-blasting method. Based on this project a dynamic numerical calculation model with infinite element boundary under blasting dynamic load was established. The cha...
An outlet tunnel adjacent to multiple high-voltage towers will be constructed by borehole-blasting method. Based on this project a dynamic numerical calculation model with infinite element boundary under blasting dynamic load was established. The cha...
2023, 53(4): 29-34,93.
doi: 10.13204/j.gyjzG22070403
Abstract:
The stress state and collapse cause of transmission tower of 500 kV Zhangquan line II under the combined action of wind speed, wind direction, and micro terrain wind speed-up ratio were studied when Typhoon Meranti passed Xiamen. Based on the histori...
The stress state and collapse cause of transmission tower of 500 kV Zhangquan line II under the combined action of wind speed, wind direction, and micro terrain wind speed-up ratio were studied when Typhoon Meranti passed Xiamen. Based on the histori...
2023, 53(4): 35-40.
doi: 10.13204/j.gyjzG21113012
Abstract:
Based on the long-span transmission tower of 500 kV Fengcheng to Meili project, the selection of the joint of bottom-crossarm compression members was conducted. Three types of joints were put forward and compared, including tubular welding joint, wel...
Based on the long-span transmission tower of 500 kV Fengcheng to Meili project, the selection of the joint of bottom-crossarm compression members was conducted. Three types of joints were put forward and compared, including tubular welding joint, wel...
2023, 53(4): 41-45.
doi: 10.13204/j.gyjzG22011406
Abstract:
Wind disaster vulnerability study was carried out to evaluate the reliability of high-rise lightning rods in substations, due to the accidents induced by wind storms, in which a representative high-rise lightning rod was selected as an example. Latin...
Wind disaster vulnerability study was carried out to evaluate the reliability of high-rise lightning rods in substations, due to the accidents induced by wind storms, in which a representative high-rise lightning rod was selected as an example. Latin...
2023, 53(4): 46-53,45.
doi: 10.13204/j.gyjzG21090704
Abstract:
In order to solve the problem that pedestrians are easy to lose their bearings in underground rail stations, the relevant theories based on pedestrian needs and spatial syntax were studied, and three evaluation indexes were proposed: accessibility ob...
In order to solve the problem that pedestrians are easy to lose their bearings in underground rail stations, the relevant theories based on pedestrian needs and spatial syntax were studied, and three evaluation indexes were proposed: accessibility ob...
2023, 53(4): 54-61.
doi: 10.13204/j.gyjzG22010419
Abstract:
Low-impact development (LID) in the external environment of buildings is an important way to achieve efficient urban runoff control and rainwater resource utilization, however, there are some problems in the distribution of LID controls, such as exce...
Low-impact development (LID) in the external environment of buildings is an important way to achieve efficient urban runoff control and rainwater resource utilization, however, there are some problems in the distribution of LID controls, such as exce...
2023, 53(4): 62-66,21.
doi: 10.13204/j.gyjzG21020501
Abstract:
Recent scholarship of narrative geography has focused on the spatial narratives of memorial landscapes of earthquakes. The study aimed to reveal the issues of processes, strategies, and types of landscape narratives in open and closed spaces by focus...
Recent scholarship of narrative geography has focused on the spatial narratives of memorial landscapes of earthquakes. The study aimed to reveal the issues of processes, strategies, and types of landscape narratives in open and closed spaces by focus...
2023, 53(4): 67-74.
doi: 10.13204/j.gyjzG22061308
Abstract:
The protection and renewal of industrial heritage plays an important role in the inheritance of urban history and culture, and is also a valuable space resource in the process of urban development and transformation. Based on the methods of network t...
The protection and renewal of industrial heritage plays an important role in the inheritance of urban history and culture, and is also a valuable space resource in the process of urban development and transformation. Based on the methods of network t...
2023, 53(4): 75-82.
doi: 10.13204/j.gyjzG22060807
Abstract:
The heritage of the petroleum industry has witnessed the development of urban industrial culture, and is the epitome of the industrial civilization development of a city. As a link between the public and the heritage site, industrial heritage interpr...
The heritage of the petroleum industry has witnessed the development of urban industrial culture, and is the epitome of the industrial civilization development of a city. As a link between the public and the heritage site, industrial heritage interpr...
2023, 53(4): 94-101.
doi: 10.13204/j.gyjzG22052611
Abstract:
A pressure measurement test was conducted on a special-shaped curved roof in the atmospheric boundary layer wind tunnel, and the time series of fluctuating wind loads on the roof surface was obtained. The skewness, kurtosis, probability density, corr...
2023, 53(4): 102-107,147.
doi: 10.13204/j.gyjzG20122208
Abstract:
The influence of concrete reinforced with fibers in the post-cast region, including the connection region and beam service holes, was studied. An improved precast prestressed beam-column connection was designed by using fiber modified concrete in the...
The influence of concrete reinforced with fibers in the post-cast region, including the connection region and beam service holes, was studied. An improved precast prestressed beam-column connection was designed by using fiber modified concrete in the...
2023, 53(4): 108-114,40.
doi: 10.13204/j.gyjzG22042810
Abstract:
Taking a high-rise multi-tower interconnected structure in Zhuhai as an example, the surface wind pressure characteristics and shape coefficient distribution of complex high-connected multi-tower structures were studied, which could provide the calcu...
Taking a high-rise multi-tower interconnected structure in Zhuhai as an example, the surface wind pressure characteristics and shape coefficient distribution of complex high-connected multi-tower structures were studied, which could provide the calcu...
Experimental Research on Fatigue Life of Composite Beams with Laminated Slabs and Z2 Fatigue Details
2023, 53(4): 115-119,28.
doi: 10.13204/j.gyjzG22012509
Abstract:
In order to popularize the prefabrication construction technology and the application of steel-concrete composite beams in bridge structures and crane beams, it is necessary to carry out experimental research on fatigue life of composite beams with v...
In order to popularize the prefabrication construction technology and the application of steel-concrete composite beams in bridge structures and crane beams, it is necessary to carry out experimental research on fatigue life of composite beams with v...
2023, 53(4): 120-124,179.
doi: 10.13204/j.gyjzG21100816
Abstract:
To determine the bond length and configuration of high-strength Q420 steel pipe joint for prefabricated composite structural columns, including the pipe sections of ϕ114×25, ϕ152×16 and ϕ194×10, push-out tests were conducted. The different bond lengt...
To determine the bond length and configuration of high-strength Q420 steel pipe joint for prefabricated composite structural columns, including the pipe sections of ϕ114×25, ϕ152×16 and ϕ194×10, push-out tests were conducted. The different bond lengt...
2023, 53(4): 125-130,140.
doi: 10.13204/j.gyjzG23010601
Abstract:
In order to study the structure and bearing capacity of lightweight high-strength truss joints, static loading tests were carried out on X-joints with stiffened plates and basic X-joints of lightweight aggregate (LWA) concrete-filled Q345B steel squa...
In order to study the structure and bearing capacity of lightweight high-strength truss joints, static loading tests were carried out on X-joints with stiffened plates and basic X-joints of lightweight aggregate (LWA) concrete-filled Q345B steel squa...
2023, 53(4): 131-135.
doi: 10.13204/j.gyjzG22050705
Abstract:
The ultimate bearing capacity of rock foundation is a widely discussed and researched subject in the field of rock mechanics. A finite element model was constructed by MIDAS/GTS Software based on Hoek-Brown Criterion. According to different geo-mecha...
The ultimate bearing capacity of rock foundation is a widely discussed and researched subject in the field of rock mechanics. A finite element model was constructed by MIDAS/GTS Software based on Hoek-Brown Criterion. According to different geo-mecha...
2023, 53(4): 136-140.
doi: 10.13204/j.gyjzG22062002
Abstract:
In order to solve the problem of service safety of parallel support systems in deep foundation excavation, the failure mode of concrete supports in parallel support systems in deep excavation engineering was analyzed. Taking the deep excavation proje...
In order to solve the problem of service safety of parallel support systems in deep foundation excavation, the failure mode of concrete supports in parallel support systems in deep excavation engineering was analyzed. Taking the deep excavation proje...
2023, 53(4): 141-147.
doi: 10.13204/j.gyjzG22050701
Abstract:
The numerical model of earth-reinforced retaining walls was constructed by FLAC3D, and on the basis of verifying the effectiveness of the model, by adjusting inclination angles of walls, the influence of inclination angles of walls on the lateral def...
The numerical model of earth-reinforced retaining walls was constructed by FLAC3D, and on the basis of verifying the effectiveness of the model, by adjusting inclination angles of walls, the influence of inclination angles of walls on the lateral def...
2023, 53(4): 148-153,61.
doi: 10.13204/j.gyjzG22082207
Abstract:
In order to study the effect of exposed aggregate treatment on the compression-shear bearing capacity of concrete specimens, 120 specimens with exposed aggregate treatment on the joint surface and 30 whole cast specimens were designed. Based on the l...
In order to study the effect of exposed aggregate treatment on the compression-shear bearing capacity of concrete specimens, 120 specimens with exposed aggregate treatment on the joint surface and 30 whole cast specimens were designed. Based on the l...
2023, 53(4): 154-160,172.
doi: 10.13204/j.gyjzG22063018
Abstract:
The damage deterioration law and crack repair mechanism of concrete under different humidity environments were systematically studied by the changes of apparent morphological characteristics, gas permeability, moisture transport and compressive stren...
The damage deterioration law and crack repair mechanism of concrete under different humidity environments were systematically studied by the changes of apparent morphological characteristics, gas permeability, moisture transport and compressive stren...
2023, 53(4): 161-172.
doi: 10.13204/j.gyjzG21062705
Abstract:
To promote the durability of glass fiber reinforced ploymer (GFRP) bars, a thin layer of carbon fiber reinforced polymer was wrapped around the internal GFRP bars. The effects of distilled water, strong alkali solution, alkalescent solution, and sali...
To promote the durability of glass fiber reinforced ploymer (GFRP) bars, a thin layer of carbon fiber reinforced polymer was wrapped around the internal GFRP bars. The effects of distilled water, strong alkali solution, alkalescent solution, and sali...
2023, 53(4): 173-179.
doi: 10.13204/j.gyjzG22082212
Abstract:
In order to explore the effect of curing conditions on the mechanical properties of basalt fiber reinforced concrete under impact load, the dynamic uniaxial compression tests of basalt fiber reinforced concrete with different curing ages (1,3,7,14,28...
In order to explore the effect of curing conditions on the mechanical properties of basalt fiber reinforced concrete under impact load, the dynamic uniaxial compression tests of basalt fiber reinforced concrete with different curing ages (1,3,7,14,28...
2023, 53(4): 180-189.
doi: 10.13204/j.gyjzG23012403
Abstract:
Supported by primary theoretical developments that all things generate numbers and numbers generate all things, digital twin combines multi-level spatio-temporal development of cities, buildings, and individuals into an iterative coupled combination ...
Supported by primary theoretical developments that all things generate numbers and numbers generate all things, digital twin combines multi-level spatio-temporal development of cities, buildings, and individuals into an iterative coupled combination ...
2023, 53(4): 190-198.
doi: 10.13204/j.gyjzG22042612
Abstract:
The potential construction advantages of 3D printing technology are of great significance to promote the building industrialization, and its application to raw soil construction is one of the focuses of attention and research at home and abroad. Firs...
The potential construction advantages of 3D printing technology are of great significance to promote the building industrialization, and its application to raw soil construction is one of the focuses of attention and research at home and abroad. Firs...
2023, 53(4): 199-203.
doi: 10.13204/j.gyjzG21123004
Abstract:
With the depletion of mineral resources and industrial upgrading and transformation, mining derelict lands have emerged in large numbers and gradually come into public view. In order to make full use of the derelict lands, turn waste into treasure, a...
With the depletion of mineral resources and industrial upgrading and transformation, mining derelict lands have emerged in large numbers and gradually come into public view. In order to make full use of the derelict lands, turn waste into treasure, a...
