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2022 Vol. 52, No. 1
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2022, 52(1): 1-7.
doi: 10.13204/j.gyjzG21112411
Abstract:
Uniaxial compression tests were carried out on 14 short ceramsite concrete columns confined by circular steel tubes. The effects of the yield strength of steel tube, the ratio of diameter to thickness, and the contact between steel tube and ceramsite...
Uniaxial compression tests were carried out on 14 short ceramsite concrete columns confined by circular steel tubes. The effects of the yield strength of steel tube, the ratio of diameter to thickness, and the contact between steel tube and ceramsite...
2022, 52(1): 8-16.
doi: 10.13204/j.gyjzG20102106
Abstract:
To investigate the mechanical properties of concrete-filled double-skin square steel tubular (oblique inside & straight outside) columns under axial compression, 8 composite column specimens and 1 ordinary concrete-filled square steel tubular col...
To investigate the mechanical properties of concrete-filled double-skin square steel tubular (oblique inside & straight outside) columns under axial compression, 8 composite column specimens and 1 ordinary concrete-filled square steel tubular col...
2022, 52(1): 17-25.
doi: 10.13204/j.gyjzG20090604
Abstract:
For deeply understanding of the mechanical properties of concrete filled circular carbon fiber reinforced polymer (CFRP) steel tubular under compression and torsion, 8 concrete filled CFRP-steel tubular members under compression and torsion were cond...
For deeply understanding of the mechanical properties of concrete filled circular carbon fiber reinforced polymer (CFRP) steel tubular under compression and torsion, 8 concrete filled CFRP-steel tubular members under compression and torsion were cond...
2022, 52(1): 26-30,38.
doi: 10.13204/j.gyjzG20112707
Abstract:
By using self-stressing concrete can improve the coordination between steel tube and concrete and meet the practical engineering requirements. In order to predict the ultimate bearing capacity, the stress analysis of self-stressing CFST column under ...
By using self-stressing concrete can improve the coordination between steel tube and concrete and meet the practical engineering requirements. In order to predict the ultimate bearing capacity, the stress analysis of self-stressing CFST column under ...
2022, 52(1): 31-38.
doi: 10.13204/j.gyjzG20102702
Abstract:
To facilitate the simulation of concrete-filled square steel tube (SCFT) column connected by H-shaped steel, three types of models were established, including the simplified double-beam single-shell element models (based on the equivalent axial stiff...
To facilitate the simulation of concrete-filled square steel tube (SCFT) column connected by H-shaped steel, three types of models were established, including the simplified double-beam single-shell element models (based on the equivalent axial stiff...
2022, 52(1): 39-46.
doi: 10.13204/j.gyjzG20061012
Abstract:
In order to improve the low bearing capacity, brittle failure and poor ductility of timber columns, the pre-stressed steel-timber circular column was proposed. The axial compression tests were carried out on the components, and the failure forms, fai...
In order to improve the low bearing capacity, brittle failure and poor ductility of timber columns, the pre-stressed steel-timber circular column was proposed. The axial compression tests were carried out on the components, and the failure forms, fai...
2022, 52(1): 47-51,7.
doi: 10.13204/j.gyjzG21040811
Abstract:
After abandoning Deconstructivism, complexity architecture turned to seek alliances with complexity science to form an exact and rigorous design system with nonlinear algorithm generation as the core, so as to break through the modernism architectura...
After abandoning Deconstructivism, complexity architecture turned to seek alliances with complexity science to form an exact and rigorous design system with nonlinear algorithm generation as the core, so as to break through the modernism architectura...
2022, 52(1): 52-58.
doi: 10.13204/j.gyjzG20102504
Abstract:
Taking the Zhongfu mining heritage in Jiaozuo as the main research object, meanwhile the paper focused on the community level, which has the most extensive contact with mining heritage. The paper analyzed in detail the relation between single mining ...
Taking the Zhongfu mining heritage in Jiaozuo as the main research object, meanwhile the paper focused on the community level, which has the most extensive contact with mining heritage. The paper analyzed in detail the relation between single mining ...
2022, 52(1): 59-64.
doi: 10.13204/j.gyjzG21090303
Abstract:
ANSYS software was used to simulate the fire resistance of ALC board, carbon steel plate, rock wool board, aluminum silicate plate and multilayer composite panels (steel plate-aluminum silicate plate-air layer-aluminum silicate plate-steel plate) und...
ANSYS software was used to simulate the fire resistance of ALC board, carbon steel plate, rock wool board, aluminum silicate plate and multilayer composite panels (steel plate-aluminum silicate plate-air layer-aluminum silicate plate-steel plate) und...
2022, 52(1): 65-73.
doi: 10.13204/j.gyjzG21062601
Abstract:
A new self-centering prefabricated RC frame structure was proposed. Two single-floor and one-bay frame specimen were designed and constructed, including one cast-in-situ concrete frame and one new type of prefabricated RC frame. Two quasi-static test...
A new self-centering prefabricated RC frame structure was proposed. Two single-floor and one-bay frame specimen were designed and constructed, including one cast-in-situ concrete frame and one new type of prefabricated RC frame. Two quasi-static test...
2022, 52(1): 74-78,46.
doi: 10.13204/j.gyjzG20041303
Abstract:
Truss connector is an important component to connect the inner and outer leaves of concrete sandwich wall panels. In order to study the shear resistance of truss connector, two groups of 4 shear specimens with different insulation thickness were test...
Truss connector is an important component to connect the inner and outer leaves of concrete sandwich wall panels. In order to study the shear resistance of truss connector, two groups of 4 shear specimens with different insulation thickness were test...
2022, 52(1): 79-82,73.
doi: 10.13204/j.gyjzG20092304
Abstract:
Based on flexural experiment of the partially prestressed concrete beams with 600 MPa steel bars, the development laws and influencing factors of stress increment of unbonded prestressed tendons were analyzed. The formula for calculating the ultimate...
Based on flexural experiment of the partially prestressed concrete beams with 600 MPa steel bars, the development laws and influencing factors of stress increment of unbonded prestressed tendons were analyzed. The formula for calculating the ultimate...
2022, 52(1): 83-89,58.
doi: 10.13204/j.gyjzG20122307
Abstract:
In order to study the calculation method for the bearing capacity of wet joints of beam bridges equipped with circular steel bars, collected the test data and calculation methods were collected systematically, and it was found that:1) the existing ca...
In order to study the calculation method for the bearing capacity of wet joints of beam bridges equipped with circular steel bars, collected the test data and calculation methods were collected systematically, and it was found that:1) the existing ca...
2022, 52(1): 90-97.
doi: 10.13204/j.gyjzG21122107
Abstract:
Taking the example of simply-supported beams under uniform load, the elastic analysis of the effects of web opening and stiffening method on the steel beam was conducted. The analysis revealed that:the increment of deflection due to openings was a tr...
Taking the example of simply-supported beams under uniform load, the elastic analysis of the effects of web opening and stiffening method on the steel beam was conducted. The analysis revealed that:the increment of deflection due to openings was a tr...
2022, 52(1): 98-101.
doi: 10.13204/j.gyjzG20122210
Abstract:
In order to determine snow cover distribution exactly, reduce the snow and wind disasters, the field survey of snow cover distribution of building was carried out. By using the software Fluent, the numerical models of wind-induced snow cover on arche...
In order to determine snow cover distribution exactly, reduce the snow and wind disasters, the field survey of snow cover distribution of building was carried out. By using the software Fluent, the numerical models of wind-induced snow cover on arche...
2022, 52(1): 102-107,115.
doi: 10.13204/j.gyjzG21120501
Abstract:
A super high-rise commercial and residential building was taken as an example, combined with the calculation results of frequent earthquake using YJK and MIDAS software, the overrun situations in terms of total height, the ratio of inter-story drift ...
A super high-rise commercial and residential building was taken as an example, combined with the calculation results of frequent earthquake using YJK and MIDAS software, the overrun situations in terms of total height, the ratio of inter-story drift ...
2022, 52(1): 108-115.
doi: 10.13204/j.gyjzG21102107
Abstract:
As a temporary steel structure in construction, the importance of treatment for the foundation of framework is often neglected in engineering. Due to many factors such as the decrease of temperature and the high moisture content of soil, the foundati...
As a temporary steel structure in construction, the importance of treatment for the foundation of framework is often neglected in engineering. Due to many factors such as the decrease of temperature and the high moisture content of soil, the foundati...
2022, 52(1): 116-121.
doi: 10.13204/j.gyjzG21101903
Abstract:
The inversion hydraulic lifting technique of computer multi-point control was used for the construction of a LNG storage tank. During the lifting process, due to the long span, thin wall and heavy mass of the tank, the tank wall was prone to deformat...
The inversion hydraulic lifting technique of computer multi-point control was used for the construction of a LNG storage tank. During the lifting process, due to the long span, thin wall and heavy mass of the tank, the tank wall was prone to deformat...
2022, 52(1): 122-128.
doi: 10.13204/j.gyjzG21110408
Abstract:
Cable-supported grid structure with large opening is a new roof structure proposed in recent years, and its pre-stressed construction process is quite complicated. Based on Bazhong sports center project under construction as the background, combined ...
Cable-supported grid structure with large opening is a new roof structure proposed in recent years, and its pre-stressed construction process is quite complicated. Based on Bazhong sports center project under construction as the background, combined ...
2022, 52(1): 129-136,97.
doi: 10.13204/j.gyjzG21051203
Abstract:
With the help of data mining technology, the selection of probability distribution of geotechnical parameters for test samples was systematized. 19 groups of geotechnical parameters for test samples were selected, the beta distribution and the normal...
With the help of data mining technology, the selection of probability distribution of geotechnical parameters for test samples was systematized. 19 groups of geotechnical parameters for test samples were selected, the beta distribution and the normal...
2022, 52(1): 137-142.
doi: 10.13204/j.gyjzG20112802
Abstract:
A feasible approach of secant slopes was proposed to determine the safety state of plastic landslides, which was based on the typical accumulation displacement-time curve of plastic landslides. The secant slope-time (St-t) curve was used to determine...
A feasible approach of secant slopes was proposed to determine the safety state of plastic landslides, which was based on the typical accumulation displacement-time curve of plastic landslides. The secant slope-time (St-t) curve was used to determine...
2022, 52(1): 143-149,64.
doi: 10.13204/j.gyjzG20110501
Abstract:
Field tests of drag loads for prestressed pipes pile were performed in a petrochemical engineering in Zhoushan in which the backfill and underlying soft soil were 10 m and 50 m respectively. After unloading of surcharge preloading, prestressed pipe p...
Field tests of drag loads for prestressed pipes pile were performed in a petrochemical engineering in Zhoushan in which the backfill and underlying soft soil were 10 m and 50 m respectively. After unloading of surcharge preloading, prestressed pipe p...
2022, 52(1): 150-158.
doi: 10.13204/j.gyjzG20110601
Abstract:
Based on the viscoelastic theory expressed by fractional derivatives and the theory of porous media, the torsional dynamic control equations in the form of displacement for viscoelastic saturated soil expressed by fractional derivatives were obtained...
Based on the viscoelastic theory expressed by fractional derivatives and the theory of porous media, the torsional dynamic control equations in the form of displacement for viscoelastic saturated soil expressed by fractional derivatives were obtained...
2022, 52(1): 159-164.
doi: 10.13204/j.gyjzG20081106
Abstract:
Subsidence predictions of reclaimed airports on soft soil foundation is an important issue for airport construction. Based on an airport under construction in Xiamen,the subsidence and average consolidation degrees of soft soil foundation during the ...
Subsidence predictions of reclaimed airports on soft soil foundation is an important issue for airport construction. Based on an airport under construction in Xiamen,the subsidence and average consolidation degrees of soft soil foundation during the ...
2022, 52(1): 165-173.
doi: 10.13204/j.gyjzG21120813
Abstract:
In order to study the stability of airport pavement underpass tunnel structure under aircraft load, a mechanical model of cooperative deformation of airport pavement-base-soil-tunnel lining structure was established, and the stability of pavement-bas...
In order to study the stability of airport pavement underpass tunnel structure under aircraft load, a mechanical model of cooperative deformation of airport pavement-base-soil-tunnel lining structure was established, and the stability of pavement-bas...
2022, 52(1): 174-179.
doi: 10.13204/j.gyjzG21032911
Abstract:
In order to solve the durability of concrete in the Salt Lake area of Western and extend its service life, the sulfate resistance of semi-immersed nano-CaCO3 modified concrete was studied. The quality loss and relative dynamic modulus of elasticity w...
In order to solve the durability of concrete in the Salt Lake area of Western and extend its service life, the sulfate resistance of semi-immersed nano-CaCO3 modified concrete was studied. The quality loss and relative dynamic modulus of elasticity w...
2022, 52(1): 180-186,179.
doi: 10.13204/j.gyjzG21020903
Abstract:
In order to study the mechanical properties of steel slag fine aggregate concrete, mortar and concrete with steel slag substitution rate of 0, 10%, 20% and 30% were prepared.The compressive strength of mortar, the compressive strength of concrete cub...
In order to study the mechanical properties of steel slag fine aggregate concrete, mortar and concrete with steel slag substitution rate of 0, 10%, 20% and 30% were prepared.The compressive strength of mortar, the compressive strength of concrete cub...
2022, 52(1): 187-193,142.
doi: 10.13204/j.gyjzG21090911
Abstract:
Natural pumice stone was used as coarse aggregate, and part of river sand was replaced by desert aeolian sand as fine aggregate. Aeolian sand pumice concrete was prepared and tested for frost resistance and durability. With the help of nuclear magnet...
Natural pumice stone was used as coarse aggregate, and part of river sand was replaced by desert aeolian sand as fine aggregate. Aeolian sand pumice concrete was prepared and tested for frost resistance and durability. With the help of nuclear magnet...
2022, 52(1): 194-199,173.
doi: 10.13204/j.gyjzG21042709
Abstract:
In order to further reveal the influence of aggregate type on the performance of concrete under axial compression after being subjected to high temperatures and spray cooling, uniaxial compressive strength tests of concrete after being subjected to d...
In order to further reveal the influence of aggregate type on the performance of concrete under axial compression after being subjected to high temperatures and spray cooling, uniaxial compressive strength tests of concrete after being subjected to d...
2022, 52(1): 200-204,121.
doi: 10.13204/j.gyjzG21060913
Abstract:
The shear performance of new-to-old concrete interface with different loading modes is the key to the reinforcement structure. Therefore, the experimental tests of dip angle and normal stress of new-to-old concrete interface on shear performance were...
The shear performance of new-to-old concrete interface with different loading modes is the key to the reinforcement structure. Therefore, the experimental tests of dip angle and normal stress of new-to-old concrete interface on shear performance were...
2022, 52(1): 205-210.
doi: 10.13204/j.gyjzG20090102
Abstract:
The present precast bottom slab of prefabricated concrete two-way composite floor slab cannot work without the overhanging steel bar, and the cast-in-place strip joint method has disadvantages such as low-efficiency and high cost. In order to solve t...
The present precast bottom slab of prefabricated concrete two-way composite floor slab cannot work without the overhanging steel bar, and the cast-in-place strip joint method has disadvantages such as low-efficiency and high cost. In order to solve t...
2022, 52(1): 211-215.
doi: 10.13204/j.gyjzG20031209
Abstract:
To study the anti-implosion performance of steel pipes strengthened with carbon fiber reinforced plastic (CFRP) sheets, a total of 8 specimens were tested under implosion impact. The weight of emulsion explosive and the number of CFRP sheets for stre...
To study the anti-implosion performance of steel pipes strengthened with carbon fiber reinforced plastic (CFRP) sheets, a total of 8 specimens were tested under implosion impact. The weight of emulsion explosive and the number of CFRP sheets for stre...
