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2024 Vol. 54, No. 11
Display Method:
2024, 54(11): 1-8.
doi: 10.3724/j.gyjzG24060406
Abstract:
A damage assessment method for transmission tower members based on image recognition and finite element analysis was proposed. For damaged members, based on the images obtained from on-site inspection, combined with edge detection and curve fitting t...
A damage assessment method for transmission tower members based on image recognition and finite element analysis was proposed. For damaged members, based on the images obtained from on-site inspection, combined with edge detection and curve fitting t...
2024, 54(11): 9-14.
doi: 10.3724/j.gyjzG24042503
Abstract:
In order to study the mechanical properties of the composite structure system of modular integrated construction (MIC)-frame in Phoenix Tower during construction and use, a set of distributed optical fiber structure health monitoring system based on ...
In order to study the mechanical properties of the composite structure system of modular integrated construction (MIC)-frame in Phoenix Tower during construction and use, a set of distributed optical fiber structure health monitoring system based on ...
2024, 54(11): 15-23.
doi: 10.3724/j.gyjzG24040707
Abstract:
Wind turbines affected by alternating loads may cause their bolts to loosen due to fatigue. As an important part of connecting the wind turbine tower, flange bolt connection directly affects the safety and stability of the overall structure. Therefor...
Wind turbines affected by alternating loads may cause their bolts to loosen due to fatigue. As an important part of connecting the wind turbine tower, flange bolt connection directly affects the safety and stability of the overall structure. Therefor...
2024, 54(11): 24-32.
doi: 10.3724/j.gyjzG23082920
Abstract:
Based on the statistics on 32 cases of actual underground engineering projects in China where the foundation was excavated above existing tunnels, according to the composition of site soils, they could be divided into two types of strata: fine-graine...
Based on the statistics on 32 cases of actual underground engineering projects in China where the foundation was excavated above existing tunnels, according to the composition of site soils, they could be divided into two types of strata: fine-graine...
2024, 54(11): 33-40.
doi: 10.3724/j.gyjzG23052511
Abstract:
A hybrid model of genetic algorithm combined with residual network (the GA-ResNN dynamic prediction model) for multi-index variables during deep foundation excavation and the construction risk assessment method were established by combining the back ...
A hybrid model of genetic algorithm combined with residual network (the GA-ResNN dynamic prediction model) for multi-index variables during deep foundation excavation and the construction risk assessment method were established by combining the back ...
2024, 54(11): 41-49.
doi: 10.3724/j.gyjzG23091420
Abstract:
As a large-scale temporary enclosure structure for bridge foundation projects, steel pipe pile cofferdams face a large number of uncertain risk factors during the construction process. In order to accurately evaluate the safety risk level of steel pi...
As a large-scale temporary enclosure structure for bridge foundation projects, steel pipe pile cofferdams face a large number of uncertain risk factors during the construction process. In order to accurately evaluate the safety risk level of steel pi...
2024, 54(11): 50-60.
doi: 10.3724/j.gyjzG23071806
Abstract:
Affected by the seasonal precipitation and changes in water levels of reservoirs, parts of mountains will generate landslides in which the cumulative displacement-time curve of some landslides exhibits obvious "step type" dynamic deformation characte...
Affected by the seasonal precipitation and changes in water levels of reservoirs, parts of mountains will generate landslides in which the cumulative displacement-time curve of some landslides exhibits obvious "step type" dynamic deformation characte...
2024, 54(11): 61-66.
doi: 10.3724/j.gyjzG23033008
Abstract:
In order to effectively realize the assessment on healthy status of slopes and failure prediction of diversion projects, a fuzzy evaluation model was constructed to obtain the evaluation affiliation vector of slope status integrating multi-indicator ...
In order to effectively realize the assessment on healthy status of slopes and failure prediction of diversion projects, a fuzzy evaluation model was constructed to obtain the evaluation affiliation vector of slope status integrating multi-indicator ...
2024, 54(11): 67-77.
doi: 10.3724/j.gyjzG23110710
Abstract:
Aiming at the problem of uneven classification of apparent crack data and quantification of damage characteristics of concrete structures, a crack damage assessment method based on U2-Net and morphology was proposed. The Dice loss function and the lo...
Aiming at the problem of uneven classification of apparent crack data and quantification of damage characteristics of concrete structures, a crack damage assessment method based on U2-Net and morphology was proposed. The Dice loss function and the lo...
2024, 54(11): 78-86.
doi: 10.3724/j.gyjzG23102311
Abstract:
Aiming at the problem that the damage recognition accuracy of the deep learning model decreases under the influence of data sample imbalance and noise, a structural damage recognition method based on the combination of convolutional autoencoder and c...
Aiming at the problem that the damage recognition accuracy of the deep learning model decreases under the influence of data sample imbalance and noise, a structural damage recognition method based on the combination of convolutional autoencoder and c...
2024, 54(11): 87-94.
doi: 10.3724/j.gyjzG24022808
Abstract:
To explore the influence of polyvinyl alcohol fibers (PVA fibers) on the mechanical properties of ultra-high performance concrete (UHPC), this work adopted the Box-Behnken test design method in the response surface method to construct a quadratic pol...
To explore the influence of polyvinyl alcohol fibers (PVA fibers) on the mechanical properties of ultra-high performance concrete (UHPC), this work adopted the Box-Behnken test design method in the response surface method to construct a quadratic pol...
2024, 54(11): 95-102.
doi: 10.3724/j.gyjzG23083029
Abstract:
For the ultra-high performance concrete (UHPC) overlaying normal concrete (NC) structures, the reliable interface performance between UHPC and NC is the foundation for achieving their good co-work behavior. The paper focused on the experimental and t...
For the ultra-high performance concrete (UHPC) overlaying normal concrete (NC) structures, the reliable interface performance between UHPC and NC is the foundation for achieving their good co-work behavior. The paper focused on the experimental and t...
2024, 54(11): 103-111.
doi: 10.3724/j.gyjzG24042910
Abstract:
For steel-HSC(high-strength concrete) composite structures, the interface performance of steel and high-strength concrete is the key to determine the working mechanism of the two. To this end, the paper conducted experimental and theoretical research...
For steel-HSC(high-strength concrete) composite structures, the interface performance of steel and high-strength concrete is the key to determine the working mechanism of the two. To this end, the paper conducted experimental and theoretical research...
2024, 54(11): 112-120.
doi: 10.3724/j.gyjzG23102902
Abstract:
Ultra-high-performance concrete (UHPC) encased concrete-filled steel tubes (CFST) have advantages such as high bearing capacity and superior durability. In order to study their flexural performance, five pure bending tests of UHPC encased CFSTs membe...
Ultra-high-performance concrete (UHPC) encased concrete-filled steel tubes (CFST) have advantages such as high bearing capacity and superior durability. In order to study their flexural performance, five pure bending tests of UHPC encased CFSTs membe...
2024, 54(11): 121-128.
doi: 10.3724/j.gyjzG24022108
Abstract:
Ultral-high-performance concrete (UHPC) encased concrete-filled steel tubes (CFST) have advatages such as superior durability and high bearing capacity.Four CFST columns with varying eccentricity and slenderness ratios were experimentally tested to e...
Ultral-high-performance concrete (UHPC) encased concrete-filled steel tubes (CFST) have advatages such as superior durability and high bearing capacity.Four CFST columns with varying eccentricity and slenderness ratios were experimentally tested to e...
2024, 54(11): 129-135.
doi: 10.3724/j.gyjzG24021907
Abstract:
A ultra-high super-heavy drop hammer impact test system was employed to conduct lateral impact tests on four UHPC-Encased CFST composite columns (UECC) with fixed axial load ratio. The impact force and displacement responses of the specimens througho...
A ultra-high super-heavy drop hammer impact test system was employed to conduct lateral impact tests on four UHPC-Encased CFST composite columns (UECC) with fixed axial load ratio. The impact force and displacement responses of the specimens througho...
2024, 54(11): 136-143.
doi: 10.3724/j.gyjzG23103111
Abstract:
Concrete-encased concrete-filled steel tubular (CECFST) composite columns possess better durability and fire performance, and have been widly used in engineering practice. However, welding joints are generally used to connect the steel beam to CECFST...
Concrete-encased concrete-filled steel tubular (CECFST) composite columns possess better durability and fire performance, and have been widly used in engineering practice. However, welding joints are generally used to connect the steel beam to CECFST...
2024, 54(11): 144-151.
doi: 10.3724/j.gyjzG24030308
Abstract:
One-side bolted connecting technique ensures the access of inside into the closed-section column, which has been used in the assembled joints between concrete encased CFST (CECFST) columns and steel beams. However, the bulge of steel tube and outer c...
One-side bolted connecting technique ensures the access of inside into the closed-section column, which has been used in the assembled joints between concrete encased CFST (CECFST) columns and steel beams. However, the bulge of steel tube and outer c...
2024, 54(11): 152-162.
doi: 10.3724/j.gyjzG23100902
Abstract:
The purpose of the paper is to explore the design and transformation path of industrial heritage protection and renewal based on the "catalyst" theory, and to activate the spatial design strategy of industrial wasteland in old industrial cities. The ...
The purpose of the paper is to explore the design and transformation path of industrial heritage protection and renewal based on the "catalyst" theory, and to activate the spatial design strategy of industrial wasteland in old industrial cities. The ...
2024, 54(11): 163-171.
doi: 10.3724/j.gyjzG22030602
Abstract:
Spatial structure directly affects the pattern and spatial element distribution of traditional villages, and its characteristic analysis and optimal development is a strong support for the development and revitalization of traditional villages. Takin...
Spatial structure directly affects the pattern and spatial element distribution of traditional villages, and its characteristic analysis and optimal development is a strong support for the development and revitalization of traditional villages. Takin...
2024, 54(11): 172-180.
doi: 10.3724/j.gyjzG23111106
Abstract:
Classical gardens, as a kind of medium language for transferring information, can realize the information exchange between people. Taking the concept of linguistics as the theoretical basis, applying Morris’s theory of linguistic semiotics to the cla...
Classical gardens, as a kind of medium language for transferring information, can realize the information exchange between people. Taking the concept of linguistics as the theoretical basis, applying Morris’s theory of linguistic semiotics to the cla...
2024, 54(11): 181-188.
doi: 10.3724/j.gyjzG24063001
Abstract:
In order to cope with the complicated stress state at the material interface of the composite open-web sandwich plate and to improve the performance of the combined action of the structure, the paper proposed a PBL shear connectors with additional st...
In order to cope with the complicated stress state at the material interface of the composite open-web sandwich plate and to improve the performance of the combined action of the structure, the paper proposed a PBL shear connectors with additional st...
2024, 54(11): 189-195.
doi: 10.3724/j.gyjzG24073005
Abstract:
The full-frame thick slab transfer plate structure enables a skewed grids design between superstructure and substructure, maximizing the architectural potential of the space above and gaining significant attention in engineering. However, its applica...
The full-frame thick slab transfer plate structure enables a skewed grids design between superstructure and substructure, maximizing the architectural potential of the space above and gaining significant attention in engineering. However, its applica...
2024, 54(11): 196-202.
doi: 10.3724/j.gyjzG23021314
Abstract:
Three-center cylindrical latticed shell closed cargo shed is a typical wind-sensitive structure, and wind load is one of the control loads in structural design. Based on the background of three three-center cylindrical latticed shell closed cargo she...
Three-center cylindrical latticed shell closed cargo shed is a typical wind-sensitive structure, and wind load is one of the control loads in structural design. Based on the background of three three-center cylindrical latticed shell closed cargo she...
2024, 54(11): 203-210.
doi: 10.3724/j.gyjzG24061103
Abstract:
At present, the research on socket-type Disc-lock scaffolds at home and abroad mainly focuses on the vertical load working condition, while there is less research on the scaffold under lateral loads. An in-depth analysis of the mechanical properties ...
At present, the research on socket-type Disc-lock scaffolds at home and abroad mainly focuses on the vertical load working condition, while there is less research on the scaffold under lateral loads. An in-depth analysis of the mechanical properties ...
2024, 54(11): 211-219.
doi: 10.3724/j.gyjzG23071011
Abstract:
In order to study the influence of winding angle and axial compression ratio of GFRP fibers on the seismic performance of UHPC composite columns confined by GFRP tubes, six GFRP tube confined UHPC composite columns and one UHPC composite column were ...
In order to study the influence of winding angle and axial compression ratio of GFRP fibers on the seismic performance of UHPC composite columns confined by GFRP tubes, six GFRP tube confined UHPC composite columns and one UHPC composite column were ...
2024, 54(11): 220-225.
doi: 10.3724/j.gyjzG24050708
Abstract:
The formation of large and complex steel structures, including their geometric configuration and force state, has consistently been a key focus in construction, for large and complex steel structures have always been the key concerns during construct...
The formation of large and complex steel structures, including their geometric configuration and force state, has consistently been a key focus in construction, for large and complex steel structures have always been the key concerns during construct...
2024, 54(11): 226-233.
doi: 10.3724/j.gyjzG22122010
Abstract:
To study the influence law of vibration induced by rotary drilling during foundation excavation on surrounding buildings and the environment, the vibration of the adjacent ground and buildings were monitored under construction of rotary drilling for ...
To study the influence law of vibration induced by rotary drilling during foundation excavation on surrounding buildings and the environment, the vibration of the adjacent ground and buildings were monitored under construction of rotary drilling for ...
2024, 54(11): 234-241.
doi: 10.3724/j.gyjzG23022307
Abstract:
Slope treatment is an inevitable problem in engineering construction in karst regions. Take a large slope project on the karst stratum in Shenzhen as an example, the investigation and treatment measures for the large slope were introduced from the en...
Slope treatment is an inevitable problem in engineering construction in karst regions. Take a large slope project on the karst stratum in Shenzhen as an example, the investigation and treatment measures for the large slope were introduced from the en...
