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2022 Vol. 52, No. 8
Display Method:
2022, 52(8): 1-8.
doi: 10.13204/j.gyjzG21121615
Abstract:
The long-span transmission tower-line system combines the characteristics of long-span, towering and flexibility, which is extremely sensitive to wind loads. Due to the coupling of the transmission wires, insulators and the spanning tower, its dynami...
The long-span transmission tower-line system combines the characteristics of long-span, towering and flexibility, which is extremely sensitive to wind loads. Due to the coupling of the transmission wires, insulators and the spanning tower, its dynami...
2022, 52(8): 9-15.
doi: 10.13204/j.gyjzG20101801
Abstract:
In order to study the wind drag coefficients on main rods and whole structure of an angle-steel transmission tower, high frequency force balance test was carried out to obtain drag force coefficients of main rods of the cross arm and tower body under...
In order to study the wind drag coefficients on main rods and whole structure of an angle-steel transmission tower, high frequency force balance test was carried out to obtain drag force coefficients of main rods of the cross arm and tower body under...
2022, 52(8): 16-21.
doi: 10.13204/j.gyjzG21081101
Abstract:
By considering the included angle between the front face of tower segments and the vertical plane, a refined JEC calculation method of wind loads acting on the frontal face and the segment of transmission towers based on the drag coefficients of sing...
By considering the included angle between the front face of tower segments and the vertical plane, a refined JEC calculation method of wind loads acting on the frontal face and the segment of transmission towers based on the drag coefficients of sing...
2022, 52(8): 22-27,63.
doi: 10.13204/j.gyjzG22011111
Abstract:
There are still many in-service 77/78 series transmission towers designed by the allowable stress method in the strong wind area. The power grid operation departments need to gradually carry out reinforcement and retrofit according to the applicable ...
There are still many in-service 77/78 series transmission towers designed by the allowable stress method in the strong wind area. The power grid operation departments need to gradually carry out reinforcement and retrofit according to the applicable ...
2022, 52(8): 28-33,118.
doi: 10.13204/j.gyjzG22011304
Abstract:
Wind tunnel tests were conducted on sectional models and whole tower models to obtain the wind loading on the elevator shaft of long-span transmission towers. The influence of climbing ladders and interference of tower body on the drag coefficient of...
Wind tunnel tests were conducted on sectional models and whole tower models to obtain the wind loading on the elevator shaft of long-span transmission towers. The influence of climbing ladders and interference of tower body on the drag coefficient of...
2022, 52(8): 34-40,47.
doi: 10.13204/j.gyjzG22030222
Abstract:
In view of the characteristics of many member intersections, complex spatial relations and special load conditions at the connection joint of cross arm and main rods in a 385-meter super long-span transmission tower crossing the Yangtze River, which ...
In view of the characteristics of many member intersections, complex spatial relations and special load conditions at the connection joint of cross arm and main rods in a 385-meter super long-span transmission tower crossing the Yangtze River, which ...
2022, 52(8): 41-47.
doi: 10.13204/j.gyjzG20121307
Abstract:
Reinforcing method, to constitute the box-shaped section by the angel of the transmission tower and the strengthening angle of the same size, was presented in the paper. In order to study the effect of every parameters on the bearing capacity of rein...
Reinforcing method, to constitute the box-shaped section by the angel of the transmission tower and the strengthening angle of the same size, was presented in the paper. In order to study the effect of every parameters on the bearing capacity of rein...
2022, 52(8): 48-56.
Abstract:
Combined with the structural characteristics, wind-induced response characteristics and load characteristics of transmission tower, a wind resistant reinforcement technique and design method of in-plane cable of self-supporting transmission tower wer...
Combined with the structural characteristics, wind-induced response characteristics and load characteristics of transmission tower, a wind resistant reinforcement technique and design method of in-plane cable of self-supporting transmission tower wer...
2022, 52(8): 57-63.
doi: 10.13204/j.gyjzG21071316
Abstract:
The safety of engineering steel structures such as transmission towers is often affected by cracks and other damages. Such damages often exhibit nonlinear characteristics of variable stiffness in structural vibration. In order to solve this kind of n...
The safety of engineering steel structures such as transmission towers is often affected by cracks and other damages. Such damages often exhibit nonlinear characteristics of variable stiffness in structural vibration. In order to solve this kind of n...
2022, 52(8): 64-70,90.
doi: 10.13204/j.gyjzG22042602
Abstract:
With the background of the construction of the transmission tower crossing the Yangtze River of Jiangsu Fengcheng-Meili 500 kV line, a set of construction and erection techniques for transmission towers based on finite element simulation and field me...
With the background of the construction of the transmission tower crossing the Yangtze River of Jiangsu Fengcheng-Meili 500 kV line, a set of construction and erection techniques for transmission towers based on finite element simulation and field me...
2022, 52(8): 71-77,15.
doi: 10.13204/j.gyjzG21091804
Abstract:
Floor area ratio (FAR) is the core index to reflect the intensity of land development, which can be used as the measurement index of urban spatial structure and form. The spatial difference analysis of FAR is of great significance to the research on ...
Floor area ratio (FAR) is the core index to reflect the intensity of land development, which can be used as the measurement index of urban spatial structure and form. The spatial difference analysis of FAR is of great significance to the research on ...
2022, 52(8): 78-84,126.
doi: 10.13204/j.gyjzG21081017
Abstract:
The co-existence between excellent experimental buildings and the surroundings is one of important engines for promoting regeneration of new functions of the cultural heritage and the prosperity of cultural tourism economy, as well as an important bo...
The co-existence between excellent experimental buildings and the surroundings is one of important engines for promoting regeneration of new functions of the cultural heritage and the prosperity of cultural tourism economy, as well as an important bo...
2022, 52(8): 85-90.
doi: 10.13204/j.gyjzG21123009
Abstract:
As the first high-voltage switch factory in China, Shenyang high-voltage switch factory is the most complete historical area of industrial heritage in Shenyang at present. Its industrial process reflects the national advanced high-voltage switch prod...
As the first high-voltage switch factory in China, Shenyang high-voltage switch factory is the most complete historical area of industrial heritage in Shenyang at present. Its industrial process reflects the national advanced high-voltage switch prod...
2022, 52(8): 91-96,151.
doi: 10.13204/j.gyjzG21111718
Abstract:
The COVID-19 has a huge impact and caused significant human and economic losses. Hub-airport terminals play an important role in epidemic prevention and control but are not conducive to the response, because of the lack of architectural theories and ...
The COVID-19 has a huge impact and caused significant human and economic losses. Hub-airport terminals play an important role in epidemic prevention and control but are not conducive to the response, because of the lack of architectural theories and ...
2022, 52(8): 97-102.
doi: 10.13204/j.gyjzG21101322
Abstract:
In order to study the seismic performance of existing reinforced concrete structures in cold and seismic regions, the results of the quasi-static tests of eight reinforced concrete columns subjected to freezing-thawing cycles were analyzed. Consideri...
In order to study the seismic performance of existing reinforced concrete structures in cold and seismic regions, the results of the quasi-static tests of eight reinforced concrete columns subjected to freezing-thawing cycles were analyzed. Consideri...
2022, 52(8): 103-110.
doi: 10.13204/j.gyjzG21092202
Abstract:
In order to study the influence of construction technology on the fatigue performance of pre-stressed composite beams, the constant-amplitude fatigue experiment was carried out.Four pre-stressed ceramsite concrete and ordinary concrete composite beam...
In order to study the influence of construction technology on the fatigue performance of pre-stressed composite beams, the constant-amplitude fatigue experiment was carried out.Four pre-stressed ceramsite concrete and ordinary concrete composite beam...
2022, 52(8): 111-118.
doi: 10.13204/j.gyjzG21123003
Abstract:
By conducting axial compression tests and finite element analysis on three double-faced precast concrete superposed shear wall(DPCW)specimens, the damage patterns, deformation and ultimate bearing capacity of double-faced precast concrete superposed ...
By conducting axial compression tests and finite element analysis on three double-faced precast concrete superposed shear wall(DPCW)specimens, the damage patterns, deformation and ultimate bearing capacity of double-faced precast concrete superposed ...
2022, 52(8): 119-126.
doi: 10.13204/j.gyjzG22022203
Abstract:
The composite passive control scheme of seismic isolation and tower damping was applied to the twin-tower structure with large-chassis, with the total structural vibration energy minimization as the optimal control objective, the stochastic response ...
The composite passive control scheme of seismic isolation and tower damping was applied to the twin-tower structure with large-chassis, with the total structural vibration energy minimization as the optimal control objective, the stochastic response ...
2022, 52(8): 127-131,174.
doi: 10.13204/j.gyjzG21052003
Abstract:
In order to research the stress and seismic performance of joints between the tank wall and ring beam of large-scale liquefied natural gas (LNG) concrete full-capacity storage tanks,a 160 000 m3LNG concretefull-capacity storage tank was used as a pro...
In order to research the stress and seismic performance of joints between the tank wall and ring beam of large-scale liquefied natural gas (LNG) concrete full-capacity storage tanks,a 160 000 m3LNG concretefull-capacity storage tank was used as a pro...
2022, 52(8): 132-139.
doi: 10.13204/j.gyjzG21112215
Abstract:
The prestressed tension overall structure represented by cable dome and suspended dome is novel and beautiful in appearance and has high structural efficiency.During the tensioning process of cable dome and suspended dome, the friction between the ri...
The prestressed tension overall structure represented by cable dome and suspended dome is novel and beautiful in appearance and has high structural efficiency.During the tensioning process of cable dome and suspended dome, the friction between the ri...
2022, 52(8): 140-146.
doi: 10.13204/j.gyjzG21102801
Abstract:
A three-span continuous rigid framed bridge model with a geometric similarity ratio of 1/10 was designed to carry out the corresponding shaking table tests. In the test, soil-structure interaction was considered. On the basis of the experiment, the f...
A three-span continuous rigid framed bridge model with a geometric similarity ratio of 1/10 was designed to carry out the corresponding shaking table tests. In the test, soil-structure interaction was considered. On the basis of the experiment, the f...
2022, 52(8): 147-151.
doi: 10.13204/j.gyjzG21070301
Abstract:
In order to promote the application of steel-concrete composite beam in bridge structures and crane beams, the fatigue performance of composite beams has attracted researchers' attention. However, the basis for judging the fatigue failure mode of com...
In order to promote the application of steel-concrete composite beam in bridge structures and crane beams, the fatigue performance of composite beams has attracted researchers' attention. However, the basis for judging the fatigue failure mode of com...
2022, 52(8): 152-159,8.
doi: 10.13204/j.gyjzG22010508
Abstract:
This study focused on improving the connection stiffness of modern bamboo structures. Total twelve groups, each including six identical glubam specimens with glued-in single threaded rod, were tested to failure in the pull-pull configuration. It was ...
This study focused on improving the connection stiffness of modern bamboo structures. Total twelve groups, each including six identical glubam specimens with glued-in single threaded rod, were tested to failure in the pull-pull configuration. It was ...
2022, 52(8): 160-167.
doi: 10.13204/j.gyjzG21030203
Abstract:
Based on Lemaitre’s hypothesis theory of strain equivalence, it was assumed that the micro-element strength of rock subjected to thermal-mechanical coupling damage followed the Weibull distribution. Considering the influence of temperature and confin...
Based on Lemaitre’s hypothesis theory of strain equivalence, it was assumed that the micro-element strength of rock subjected to thermal-mechanical coupling damage followed the Weibull distribution. Considering the influence of temperature and confin...
2022, 52(8): 168-174.
doi: 10.13204/j.gyjzG21011102
Abstract:
In view of the problem that the relation between pressure of brittleness to ductility transition on deep shale gas caprock and dip angles of stratification were indefinite, uniaxial and triaxial compression tests of rock were conducted from the persp...
In view of the problem that the relation between pressure of brittleness to ductility transition on deep shale gas caprock and dip angles of stratification were indefinite, uniaxial and triaxial compression tests of rock were conducted from the persp...
Experimental Study on the Influence of Joint Fillers on the Crack Initiation Strength of Rock Masses
2022, 52(8): 175-179.
doi: 10.13204/j.gyjzG21062915
Abstract:
Three kinds of materials—cement, mud and gypsum, were used as fillers to fill jointed rock specimens with single crack, and uniaxial compression tests were conducted on the specimens. The analytical expression about initiation strength of crack for c...
Three kinds of materials—cement, mud and gypsum, were used as fillers to fill jointed rock specimens with single crack, and uniaxial compression tests were conducted on the specimens. The analytical expression about initiation strength of crack for c...
2022, 52(8): 180-186.
doi: 10.13204/j.gyjzG21070808
Abstract:
In view of the phenomenon that the bearing capacity of anchor bolts in soil declines due to the large temperature differences between day and night and the geology of soft sand layer in Northwest China, the bearing characteristics of underreamed anch...
In view of the phenomenon that the bearing capacity of anchor bolts in soil declines due to the large temperature differences between day and night and the geology of soft sand layer in Northwest China, the bearing characteristics of underreamed anch...
2022, 52(8): 187-193,110.
doi: 10.13204/j.gyjzG21060212
Abstract:
Aiming at a new geotechnical reinforcing material—denti-geogrids, pullout tests were simulated by numerical simulations. The accuracy for calculation results of the ultimate pullout resistance for denti-geogrids with a single transverse rib by the fl...
Aiming at a new geotechnical reinforcing material—denti-geogrids, pullout tests were simulated by numerical simulations. The accuracy for calculation results of the ultimate pullout resistance for denti-geogrids with a single transverse rib by the fl...
2022, 52(8): 194-200,146.
doi: 10.13204/j.gyjzG21111009
Abstract:
Utilizing recycled rubber particles prepared from waste tires and recycled aggregates crushed from waste concrete is one of the important ways for the sustainable development of building materials. Incorporation of rubber modification significantly a...
Utilizing recycled rubber particles prepared from waste tires and recycled aggregates crushed from waste concrete is one of the important ways for the sustainable development of building materials. Incorporation of rubber modification significantly a...
2022, 52(8): 201-207.
doi: 10.13204/j.gyjzG22030604
Abstract:
The rebar sleeve grouting connection is often incompletely filled due to unsatisfactory fluidity of grouting material, which needs to be repaired properly. To improve the workability and quality of the grouting repairing construction, a cementitious ...
The rebar sleeve grouting connection is often incompletely filled due to unsatisfactory fluidity of grouting material, which needs to be repaired properly. To improve the workability and quality of the grouting repairing construction, a cementitious ...
2022, 52(8): 208-214,139.
doi: 10.13204/j.gyjzG21033001
Abstract:
Based on the understanding of the connotation of library, it is the dissemination of knowledge for people, the symbol of culture for regions, and the expression of civilization for times. Therefore, the construction of library needs to answer the que...
Based on the understanding of the connotation of library, it is the dissemination of knowledge for people, the symbol of culture for regions, and the expression of civilization for times. Therefore, the construction of library needs to answer the que...
2022, 52(8): 215-221,186.
doi: 10.13204/j.gyjzG21111814
Abstract:
The height of Kunming China Railway building project is 226 m, and the seismic fortification intensity is 8 degrees. The structure has some problems of exceeding codes limits, such as irregular torsion, eccentric layout, discontinuity floor slabs, in...
The height of Kunming China Railway building project is 226 m, and the seismic fortification intensity is 8 degrees. The structure has some problems of exceeding codes limits, such as irregular torsion, eccentric layout, discontinuity floor slabs, in...
