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2022 Vol. 52, No. 9
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2022, 52(9): 1-9.
doi: 10.13204/j.gyjzG22030410
Abstract:
In order to solve the corrosion problems caused by seawater and sea sand concrete in the engineering practice and enhance the seismic performance of structure, a novel structure called double-tube seawater and sea sand concrete columns with built-in ...
In order to solve the corrosion problems caused by seawater and sea sand concrete in the engineering practice and enhance the seismic performance of structure, a novel structure called double-tube seawater and sea sand concrete columns with built-in ...
2022, 52(9): 10-17.
doi: 10.13204/j.gyjzg22011918
Abstract:
In order to realize rapid longitudinal connection of composite thin-walled circular tubes, a lightweight all-composite flange joint was proposed. Three specimens were subjected to axial compression tests. Load-axial displacement curves were obtained,...
In order to realize rapid longitudinal connection of composite thin-walled circular tubes, a lightweight all-composite flange joint was proposed. Three specimens were subjected to axial compression tests. Load-axial displacement curves were obtained,...
2022, 52(9): 18-27.
doi: 10.13204/j.gyjzG22022314
Abstract:
Compared with the steel wires, carbon fiber reinforced polymer (CFRP) composite has the excellent properties, such as light weight, high strength, superior corrosion, fatigue and creep resistance. When CFRP are used in civil engineering structures, t...
Compared with the steel wires, carbon fiber reinforced polymer (CFRP) composite has the excellent properties, such as light weight, high strength, superior corrosion, fatigue and creep resistance. When CFRP are used in civil engineering structures, t...
2022, 52(9): 28-34.
doi: 10.13204/j.gyjzG21060603
Abstract:
A steel fiber-reinforced self-compacting reactive powder concrete with greater than 255 mm flowability was proposed. Seven fiber-reinforced self-compacting RPC long columns restricted to GFRP tubes were designed. Their mechanical properties under axi...
A steel fiber-reinforced self-compacting reactive powder concrete with greater than 255 mm flowability was proposed. Seven fiber-reinforced self-compacting RPC long columns restricted to GFRP tubes were designed. Their mechanical properties under axi...
2022, 52(9): 35-41,9.
doi: 10.13204/j.gyjzG21080406
Abstract:
Basalt fiber is added into the concrete substrate as a reinforcing material to form a cement composite which calls basalt fiber reinforced concrete (BFRC). Taking the aspect ratio of basalt fiber as the test variable, the four-point bending static lo...
Basalt fiber is added into the concrete substrate as a reinforcing material to form a cement composite which calls basalt fiber reinforced concrete (BFRC). Taking the aspect ratio of basalt fiber as the test variable, the four-point bending static lo...
2022, 52(9): 42-47,128.
doi: 10.13204/j.gyjzG22031210
Abstract:
In order to study the effect of basalt fiber (BF) on the impact resistance of acicular rubber concrete, the impact resistance of acicular rubber concrete with different BF content, and lengths was analyzed through drop weight impact test, its microst...
In order to study the effect of basalt fiber (BF) on the impact resistance of acicular rubber concrete, the impact resistance of acicular rubber concrete with different BF content, and lengths was analyzed through drop weight impact test, its microst...
2022, 52(9): 48-52,66.
doi: 10.13204/j.gyjzg21112207
Abstract:
Rapid chloride ion migration coefficient method(RCM)was used to measure the unsteady migration coefficient of chloride ion in concrete, so as to evaluate the resistance of concrete to chloride penetration. The effects of basalt fiber with different v...
Rapid chloride ion migration coefficient method(RCM)was used to measure the unsteady migration coefficient of chloride ion in concrete, so as to evaluate the resistance of concrete to chloride penetration. The effects of basalt fiber with different v...
2022, 52(9): 53-59,79.
doi: 10.13204/j.gyjzG21090209
Abstract:
The minimal surface generated by mathematical formulas and algorithms, which has special mathematical aesthetic feelings and artistic states, provides novel and rich creative themes for architectural space. However, due to its high complexity of shap...
The minimal surface generated by mathematical formulas and algorithms, which has special mathematical aesthetic feelings and artistic states, provides novel and rich creative themes for architectural space. However, due to its high complexity of shap...
2022, 52(9): 60-66.
doi: 10.13204/j.gyjzG21090603
Abstract:
In view of the current situation of low utilization ratio and poor accessibility of sports buildings, the paper explored the combination of old industrial buildings and sports functions from the perspective of the stock of buildings, compared the for...
In view of the current situation of low utilization ratio and poor accessibility of sports buildings, the paper explored the combination of old industrial buildings and sports functions from the perspective of the stock of buildings, compared the for...
2022, 52(9): 67-73,93.
doi: 10.13204/j.gyjzG22032906
Abstract:
Coal gangue is a typical kind of solid waste produced during the process of coal mining, and crushing it to replace natural aggregate in concrete can realize its recycling. To study the flexural properties of reinforced truss spontaneous-combustion c...
Coal gangue is a typical kind of solid waste produced during the process of coal mining, and crushing it to replace natural aggregate in concrete can realize its recycling. To study the flexural properties of reinforced truss spontaneous-combustion c...
2022, 52(9): 74-79.
doi: 10.13204/j.gyjzg21093002
Abstract:
In order to study the seismic performance of core grouted congruent concrete prefabricated shear walls with vertical mixed reinforcement on the wall, 1 cast-in-place concrete shear wall specimen and 2 core grouted congruent concrete prefabricated she...
In order to study the seismic performance of core grouted congruent concrete prefabricated shear walls with vertical mixed reinforcement on the wall, 1 cast-in-place concrete shear wall specimen and 2 core grouted congruent concrete prefabricated she...
2022, 52(9): 80-86.
doi: 10.13204/j.gyjzg21040102
Abstract:
The mega column design is one of the key points in the structural design of CITIC Tower. The integrated design method of building structure is adopted to control the geometry of the mega-column to realize the unity of architectural effect and structu...
The mega column design is one of the key points in the structural design of CITIC Tower. The integrated design method of building structure is adopted to control the geometry of the mega-column to realize the unity of architectural effect and structu...
2022, 52(9): 87-93.
doi: 10.13204/j.gyjzg22031516
Abstract:
A new calculation method of bond strength between steel bars and concrete with different aggregate types was proposed. Combined with 748 groups of test data and the introduction to dynamic renewal theories of the neural network, a prediction model wi...
A new calculation method of bond strength between steel bars and concrete with different aggregate types was proposed. Combined with 748 groups of test data and the introduction to dynamic renewal theories of the neural network, a prediction model wi...
2022, 52(9): 94-100,107.
doi: 10.13204/j.gyjzg21052302
Abstract:
The seismic isolation effect of different isolation schemes for high-rise buildings in high-intensity area were compared and analyzed, including single lead rubber bearing isolation, single natural rubber bearing isolation, lead rubber and natural ru...
The seismic isolation effect of different isolation schemes for high-rise buildings in high-intensity area were compared and analyzed, including single lead rubber bearing isolation, single natural rubber bearing isolation, lead rubber and natural ru...
2022, 52(9): 101-107.
doi: 10.13204/j.gyjzg21060914
Abstract:
In order to study the creep effect of prestressed concrete continuous beam bridge in the construction process based on cantilever construction method, the construction process of Hai’an Xintongyang Grand Canal was monitored. The approximate calculati...
In order to study the creep effect of prestressed concrete continuous beam bridge in the construction process based on cantilever construction method, the construction process of Hai’an Xintongyang Grand Canal was monitored. The approximate calculati...
2022, 52(9): 108-114.
doi: 10.13204/j.gyjzG20121908
Abstract:
To study the mechanical properties of aluminum alloy bolt ball joint used in composite space truss structures under axial compression, tensile and compression tests of aluminum alloy ball joints with high-strength stainless steel bolts and high-stren...
To study the mechanical properties of aluminum alloy bolt ball joint used in composite space truss structures under axial compression, tensile and compression tests of aluminum alloy ball joints with high-strength stainless steel bolts and high-stren...
2022, 52(9): 115-120.
doi: 10.13204/j.gyjzG22041108
Abstract:
The construction period of LNG stainless steel storage tank is generally 6 to 8 months. During the construction, the steel surface is affected by solar radiation and the temperature effect will affect the structure. Through the finite element simulat...
The construction period of LNG stainless steel storage tank is generally 6 to 8 months. During the construction, the steel surface is affected by solar radiation and the temperature effect will affect the structure. Through the finite element simulat...
2022, 52(9): 121-128.
doi: 10.13204/j.gyjzg22030601
Abstract:
In order to investigate the performance of shear connections of new profabricated steel-concrete composite beam, 4 types of shear connection construction were designed, including connections with local laminated region, with UHPC (ultra-high performa...
In order to investigate the performance of shear connections of new profabricated steel-concrete composite beam, 4 types of shear connection construction were designed, including connections with local laminated region, with UHPC (ultra-high performa...
2022, 52(9): 129-137.
doi: 10.13204/j.gyjzg21081705
Abstract:
In order to study the buckling performance of webs of castellated steel-concrete composite beams under the combined action of negative bending moment and shear force, two castellated steel-concrete composite beams and one castellated steel beam were ...
In order to study the buckling performance of webs of castellated steel-concrete composite beams under the combined action of negative bending moment and shear force, two castellated steel-concrete composite beams and one castellated steel beam were ...
2022, 52(9): 138-146.
doi: 10.13204/j.gyjzg21072201
Abstract:
A new type of column-column connection is proposed, which is composed of upper and lower steel tubular columns, hooks and bending plates. There is no need to weld between the upper and lower columns, which can effectively improve the construction eff...
A new type of column-column connection is proposed, which is composed of upper and lower steel tubular columns, hooks and bending plates. There is no need to weld between the upper and lower columns, which can effectively improve the construction eff...
2022, 52(9): 147-152,120.
doi: 10.13204/j.gyjzg22010519
Abstract:
According to the existing calculation formula of the bearing capacity of steel tubed steel reinforced concrete (TSRC) columns under axial and eccentric compression, the neural network analysis model of the bearing capacity of TSRC columns under axial...
According to the existing calculation formula of the bearing capacity of steel tubed steel reinforced concrete (TSRC) columns under axial and eccentric compression, the neural network analysis model of the bearing capacity of TSRC columns under axial...
2022, 52(9): 153-160.
doi: 10.13204/j.gyjzG22030702
Abstract:
The quasi-static test was carried out on 6 sets of H-steel beam to column connections with restraint at beam ends (JD2-2 had not passed the fire test), hysteretic curves and skeleton curves of joints were obtained, the bearing capacity, stiffness deg...
The quasi-static test was carried out on 6 sets of H-steel beam to column connections with restraint at beam ends (JD2-2 had not passed the fire test), hysteretic curves and skeleton curves of joints were obtained, the bearing capacity, stiffness deg...
2022, 52(9): 161-169.
doi: 10.13204/j.gyjzg20112911
Abstract:
In order to simplify the seismic response analysis model of the steel reinforced concrete spatial frame with special-shaped columns, a two-direction two-bay eight-story steel reinforced concrete spatial frame with special-shaped columns was taken as ...
In order to simplify the seismic response analysis model of the steel reinforced concrete spatial frame with special-shaped columns, a two-direction two-bay eight-story steel reinforced concrete spatial frame with special-shaped columns was taken as ...
2022, 52(9): 170-177,185.
doi: 10.13204/j.gyjzG21090615
Abstract:
Considering the difficulty of construction and low assembly degree of ring plate outer joint, a new type of ring plate beam column outer joint was proposed. The force transfer mechanism, yield mechanism, failure mode, stiffness and energy dissipation...
Considering the difficulty of construction and low assembly degree of ring plate outer joint, a new type of ring plate beam column outer joint was proposed. The force transfer mechanism, yield mechanism, failure mode, stiffness and energy dissipation...
2022, 52(9): 178-185.
doi: 10.13204/j.gyjzg21091006
Abstract:
The wind-induced effect is one of the important control factors of chimney in design. A chimney with rectangular section (about 100 meters high) located in Wuhan is decorated with fishscale surface, which can not only play a decorative effect, but al...
The wind-induced effect is one of the important control factors of chimney in design. A chimney with rectangular section (about 100 meters high) located in Wuhan is decorated with fishscale surface, which can not only play a decorative effect, but al...
2022, 52(9): 186-192,213.
doi: 10.13204/j.gyjzG22012005
Abstract:
Large scale construction projects have been carried out on varieties of cold areas with deepening of the Western Development and the Northeast Revitalization Strategy. To ensure the life of construction projects and maintain their normal working stat...
Large scale construction projects have been carried out on varieties of cold areas with deepening of the Western Development and the Northeast Revitalization Strategy. To ensure the life of construction projects and maintain their normal working stat...
2022, 52(9): 193-197.
doi: 10.13204/j.gyjzg21082515
Abstract:
In order to explore the influence of joint factors on the stability for surrounding rock of pilot tunnels under the construction of underground station by the pile-beam-arch approach. Against the background of Yatai Street Station in Changchun, the p...
In order to explore the influence of joint factors on the stability for surrounding rock of pilot tunnels under the construction of underground station by the pile-beam-arch approach. Against the background of Yatai Street Station in Changchun, the p...
2022, 52(9): 198-205.
doi: 10.13204/j.gyjzG21082101
Abstract:
Taking energy piles as the reasearch object, combined with the actual geological layered seepage, the differential equation for heat transfer of energy piles was established according to the principle of energy conservation. The excess temperature eq...
Taking energy piles as the reasearch object, combined with the actual geological layered seepage, the differential equation for heat transfer of energy piles was established according to the principle of energy conservation. The excess temperature eq...
2022, 52(9): 206-213.
doi: 10.13204/j.gyjzG21082505
Abstract:
Based on an engineering case of static load tests on super-long large-diameter cast-in-place piles by the method of reaction piles combined the stacking loads, the effect of reaction piles and stacking weight on settlement of test piles was discussed...
Based on an engineering case of static load tests on super-long large-diameter cast-in-place piles by the method of reaction piles combined the stacking loads, the effect of reaction piles and stacking weight on settlement of test piles was discussed...
2022, 52(9): 214-218,160.
doi: 10.13204/j.gyjzg21062506
Abstract:
Seismic response analysis on underground engineering must consider the dynamic interaction between structures and foundation, in which the free field response analysis of soil strata is an essential issue to determine the seismic input. Studying free...
Seismic response analysis on underground engineering must consider the dynamic interaction between structures and foundation, in which the free field response analysis of soil strata is an essential issue to determine the seismic input. Studying free...
2022, 52(9): 219-223,146.
doi: 10.13204/j.gyjzG22062508
Abstract:
Based on the overlap shield tunnel beneath the water supply pipe between Xiandaidadao Station and Loujiangdadao Station of Suzhou Metro Line 3, numerical method was used to analyze the mechanical properties of new structure-existing structure-earth’s...
Based on the overlap shield tunnel beneath the water supply pipe between Xiandaidadao Station and Loujiangdadao Station of Suzhou Metro Line 3, numerical method was used to analyze the mechanical properties of new structure-existing structure-earth’s...
2022, 52(9): 224-228.
doi: 10.13204/j.gyjzG22062006
Abstract:
The structures of nuclear containment vessel usually work under biaxial pre-compressive stresses. The existed uniaxial creep theory cannot be used to calculate the creep deformation of concrete under biaxial compressive stresses. Considering the effe...
The structures of nuclear containment vessel usually work under biaxial pre-compressive stresses. The existed uniaxial creep theory cannot be used to calculate the creep deformation of concrete under biaxial compressive stresses. Considering the effe...
2022, 52(9): 229-233.
doi: 10.13204/j.gyjzG22041823
Abstract:
In order to study the effect of different dosages of metakaolin and silica fume on the physical and mechanical properties of EPS concrete, metakaolin and silica fume with different contents were used as auxiliary cementing materials, and the contents...
In order to study the effect of different dosages of metakaolin and silica fume on the physical and mechanical properties of EPS concrete, metakaolin and silica fume with different contents were used as auxiliary cementing materials, and the contents...
Experimental Research on Basic Mechanical Properties of Brick Aggregate Geopolymer Recycled Concrete
2022, 52(9): 234-240.
doi: 10.13204/j.gyjzG22070207
Abstract:
To promote the reuse of wasted clay bricks produced by the buliding demolition, 45 geopolymer recycled brick aggregate concrete (GRBAC) specimens (15 cubic specimens and 30 prism specimens)with different replacement ratios of brick aggregates (BA) (0...
To promote the reuse of wasted clay bricks produced by the buliding demolition, 45 geopolymer recycled brick aggregate concrete (GRBAC) specimens (15 cubic specimens and 30 prism specimens)with different replacement ratios of brick aggregates (BA) (0...
