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2024 Vol. 54, No. 12
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2024, 54(12): 1-9.
doi: 10.3724/j.gyjzG24042402
Abstract:
Two kinds of weathering bridge steels with lath-like bainite (Q470 steel) and granular bainite (Q550 steel) were prepared by controlling the cooling temperature after hot rolling. The effects of tempering treatment on the microstructure and mechanica...
Two kinds of weathering bridge steels with lath-like bainite (Q470 steel) and granular bainite (Q550 steel) were prepared by controlling the cooling temperature after hot rolling. The effects of tempering treatment on the microstructure and mechanica...
2024, 54(12): 10-17.
doi: 10.3724/j.gyjzG24013003
Abstract:
For the bridge construction project in the complex environment of the plateau, the high impact resistance and low tough-brittle transition temperature weathering bridge steel with a yield strength of 500 MPa has been developed. The effects of the fin...
For the bridge construction project in the complex environment of the plateau, the high impact resistance and low tough-brittle transition temperature weathering bridge steel with a yield strength of 500 MPa has been developed. The effects of the fin...
2024, 54(12): 18-25.
doi: 10.3724/j.gyjzG24042401
Abstract:
316L+Q420qENH and 316L+Q500qENH stainless steel clad plates were prepared by Gleeble-1500D to simulate the hot-rolling bonding of Q420qENH/Q500qENH weathering bridge steel and 316L stainless steel. The effects of bridge weathering steel and cooling r...
316L+Q420qENH and 316L+Q500qENH stainless steel clad plates were prepared by Gleeble-1500D to simulate the hot-rolling bonding of Q420qENH/Q500qENH weathering bridge steel and 316L stainless steel. The effects of bridge weathering steel and cooling r...
2024, 54(12): 26-34.
doi: 10.3724/j.gyjzG24062601
Abstract:
In response to the demand for high-performance bridge steel in complex high-altitude environments, research and development of matching welding electrode for Q500qENH and Q550qENH bridge steel plates were carried out, and their performance was studie...
In response to the demand for high-performance bridge steel in complex high-altitude environments, research and development of matching welding electrode for Q500qENH and Q550qENH bridge steel plates were carried out, and their performance was studie...
Research on Corrosion Behavior of 550 MPa Weathering Bridge Steel in Simulated Industrial Atmosphere
2024, 54(12): 35-41.
doi: 10.3724/j.gyjzG24012902
Abstract:
The corrosion behavior of 550 MPa weathering bridge steel in simulated industrial atmosphere was investigated by cyclic immersion corrosion tests. The microscopic morphology, phase composition of corrosion products, cross section morphology and eleme...
The corrosion behavior of 550 MPa weathering bridge steel in simulated industrial atmosphere was investigated by cyclic immersion corrosion tests. The microscopic morphology, phase composition of corrosion products, cross section morphology and eleme...
2024, 54(12): 42-48.
doi: 10.3724/j.gyjzG24030501
Abstract:
The connection structure of metal materials faces serious corrosion failure during long-term service, and the crevice corrosion has a significant impact on the shear bearing capacity of the connection structure. 6 high-strength bolted connectors comp...
The connection structure of metal materials faces serious corrosion failure during long-term service, and the crevice corrosion has a significant impact on the shear bearing capacity of the connection structure. 6 high-strength bolted connectors comp...
2024, 54(12): 49-57.
doi: 10.3724/j.gyjzG24041801
Abstract:
In this study, acetic acid salt spray test was carried out on Q355GNH weathering steel, and its weathering performance in industrial marine atmospheric corrosion environment was analyzed. After the corrosion tests, the monotonic tensile test was carr...
In this study, acetic acid salt spray test was carried out on Q355GNH weathering steel, and its weathering performance in industrial marine atmospheric corrosion environment was analyzed. After the corrosion tests, the monotonic tensile test was carr...
2024, 54(12): 58-70.
doi: 10.3724/j.gyjzG24031201
Abstract:
Weathering bridge steel has the advantage of being applied to bridge steel structures without the need for painting, reducing the initial painting and later maintenance costs of steel structures, and avoiding the negative impact of the painting proce...
Weathering bridge steel has the advantage of being applied to bridge steel structures without the need for painting, reducing the initial painting and later maintenance costs of steel structures, and avoiding the negative impact of the painting proce...
2024, 54(12): 71-89.
doi: 10.3724/j.gyjzG24013002
Abstract:
The stainless steel clad plates have the advantages of good corrosion resistance, low cost and high strength, compared with the traditional mild steel and stainless steel, the application of stainless steel clad plates extend the design service life ...
The stainless steel clad plates have the advantages of good corrosion resistance, low cost and high strength, compared with the traditional mild steel and stainless steel, the application of stainless steel clad plates extend the design service life ...
2024, 54(12): 90-98.
doi: 10.13204/j.gyjzG23033114
Abstract:
The epidemic outbreak has made us realize the importance of campus green space in public emergencies: for one, it provides a healing resource of replenishment and relaxation for university students and faculty, in addition to regular exposure to recr...
The epidemic outbreak has made us realize the importance of campus green space in public emergencies: for one, it provides a healing resource of replenishment and relaxation for university students and faculty, in addition to regular exposure to recr...
2024, 54(12): 99-104.
doi: 10.3724/j.gyjzG22060502
Abstract:
The uncertainty and mobility of contemporary cities pose a great challenge to traditional urban planning, yet this challenge has also become an opportunity for the rapid rise of landscape urbanism. The study aimed to explore the approaches of avant-g...
The uncertainty and mobility of contemporary cities pose a great challenge to traditional urban planning, yet this challenge has also become an opportunity for the rapid rise of landscape urbanism. The study aimed to explore the approaches of avant-g...
2024, 54(12): 105-113.
doi: 10.3724/j.gyjzG22022507
Abstract:
In the context of rural revitalization strategy, the national traditional villages in Huizhou Cultural Ecological Reserve was taken as the research object, the spatial distribution characteristics and spatial heterogeneity of traditional villages wit...
In the context of rural revitalization strategy, the national traditional villages in Huizhou Cultural Ecological Reserve was taken as the research object, the spatial distribution characteristics and spatial heterogeneity of traditional villages wit...
2024, 54(12): 114-120.
doi: 10.3724/j.gyjzG23070418
Abstract:
In order to solve the problems of fire-prone insulation walls and environmentally-unfriendly insulation layer materials at home and abroad, the paper designed a new composite wall made of fiber-reinforced alkali slag cementitious material as the page...
In order to solve the problems of fire-prone insulation walls and environmentally-unfriendly insulation layer materials at home and abroad, the paper designed a new composite wall made of fiber-reinforced alkali slag cementitious material as the page...
2024, 54(12): 121-127.
doi: 10.13204/j.gyjzG23010304
Abstract:
In order to study the calculation method for short-term maximum crack width of HRB400 large diameter reinforced concrete beams under normal service limit states, the short-term maximum crack width of four groups of five beams under various loads was ...
In order to study the calculation method for short-term maximum crack width of HRB400 large diameter reinforced concrete beams under normal service limit states, the short-term maximum crack width of four groups of five beams under various loads was ...
2024, 54(12): 128-137.
doi: 10.3724/j.gyjzG24012901
Abstract:
To quickly and accurately determine the flexural capacity of corroded reinforced concrete (RC) beams, an ensemble learning-based data-driven bearing capacity prediction model for corroded RC beams was studied. A database of experimental tests on the ...
To quickly and accurately determine the flexural capacity of corroded reinforced concrete (RC) beams, an ensemble learning-based data-driven bearing capacity prediction model for corroded RC beams was studied. A database of experimental tests on the ...
2024, 54(12): 138-148.
doi: 10.3724/j.gyjzG24081101
Abstract:
In order to study the bearing capacity relations between circular hollow section (CHS)-to-rectangular hollow section (RHS) T-joints and corresponding RHS joints, the refined finite element analysis models of two kinds of joints were established based...
In order to study the bearing capacity relations between circular hollow section (CHS)-to-rectangular hollow section (RHS) T-joints and corresponding RHS joints, the refined finite element analysis models of two kinds of joints were established based...
2024, 54(12): 149-155.
doi: 10.3724/j.gyjzG22112907
Abstract:
It is generally believed that column transverse stiffeners (also known as continuity plate) will be beneficial to the ductility of the welded beam-to-column connections and the AISC Seismic Provisions for Structural Steel Buildings recommend the use ...
It is generally believed that column transverse stiffeners (also known as continuity plate) will be beneficial to the ductility of the welded beam-to-column connections and the AISC Seismic Provisions for Structural Steel Buildings recommend the use ...
2024, 54(12): 156-167.
doi: 10.3724/j.gyjzG23122115
Abstract:
To study the performance of eccentrically-loaded concrete-filled double-skin elliptical steel tubular(CFDEST) short columns, the paper designed and carried out nine eccentric tests on CFDEST short columns, and established a refined numerical analysis...
To study the performance of eccentrically-loaded concrete-filled double-skin elliptical steel tubular(CFDEST) short columns, the paper designed and carried out nine eccentric tests on CFDEST short columns, and established a refined numerical analysis...
2024, 54(12): 168-176.
doi: 10.3724/j.gyjzG24050719
Abstract:
To explore the damage characteristics and dynamic response features of large thin-film tanks under projectile impact, this study designed two prototype cryogenic module target plates according to the BS-7777 standard. Leveraging a large-caliber impac...
To explore the damage characteristics and dynamic response features of large thin-film tanks under projectile impact, this study designed two prototype cryogenic module target plates according to the BS-7777 standard. Leveraging a large-caliber impac...
2024, 54(12): 177-185.
doi: 10.3724/j.gyjzG22110105
Abstract:
In order to make the parameter prediction equations in engineering applications such as seismic hazard analysis and seismic zoning reflect the time-frequency non-stationarity of ground motion, a new time-frequency parameter prediction model of ground...
In order to make the parameter prediction equations in engineering applications such as seismic hazard analysis and seismic zoning reflect the time-frequency non-stationarity of ground motion, a new time-frequency parameter prediction model of ground...
2024, 54(12): 186-193.
doi: 10.3724/j.gyjzG23071904
Abstract:
The Hardening Soil Small strain (HSS) model, which can consider the nonlinear performances of soil in the small strain range, has been widely used in the numerical analysis of geotechnical engineering. The HSS model parameters for Taizhou soft clay w...
The Hardening Soil Small strain (HSS) model, which can consider the nonlinear performances of soil in the small strain range, has been widely used in the numerical analysis of geotechnical engineering. The HSS model parameters for Taizhou soft clay w...
2024, 54(12): 194-203.
doi: 10.3724/j.gyjzG22101715
Abstract:
Freeze-thaw cycles are one of the important factors causing mechanical damage of soil. To study the strength characteristics of fluidized solidifiable soil integrated by collapsible loess and red sandstone experienced freeze-thaw cycles, mechanical a...
Freeze-thaw cycles are one of the important factors causing mechanical damage of soil. To study the strength characteristics of fluidized solidifiable soil integrated by collapsible loess and red sandstone experienced freeze-thaw cycles, mechanical a...
2024, 54(12): 204-213.
doi: 10.3724/j.gyjzG23032203
Abstract:
To demonstrate the interactive mechanical mechanisms between long and short piles in the long-short pile composite support system in the soil-rock composite stratum, according to the force analysis on long and short piles in the soil-rock stratum, th...
To demonstrate the interactive mechanical mechanisms between long and short piles in the long-short pile composite support system in the soil-rock composite stratum, according to the force analysis on long and short piles in the soil-rock stratum, th...
2024, 54(12): 214-220.
doi: 10.3724/j.gyjzG23090403
Abstract:
To quickly evaluate the stability of soil slopes under earthquake action is currently a hot topic in the civil engineering circle. Traditionally, stability charts and the Newmark model were used to quickly evaluate the seismic stability of soil slope...
To quickly evaluate the stability of soil slopes under earthquake action is currently a hot topic in the civil engineering circle. Traditionally, stability charts and the Newmark model were used to quickly evaluate the seismic stability of soil slope...
2024, 54(12): 221-228.
doi: 10.3724/j.gyjzG22120208
Abstract:
The traditional vacuum preloading method used to treat waste construction slurry. As there were some problems involving clogging and deformation of drain boards and vacuum attenuation in the traditional vacuum preloading treatment, a method of vacuum...
The traditional vacuum preloading method used to treat waste construction slurry. As there were some problems involving clogging and deformation of drain boards and vacuum attenuation in the traditional vacuum preloading treatment, a method of vacuum...
2024, 54(12): 229-237.
doi: 10.3724/j.gyjzG21122303
Abstract:
Orthotropic steel decks have been widely used in steel bridges due to their small volume weigh, high strength and good applicability of assembly fabrication. The asphalt pavement laying on the orthotropic steel deck can effectively disperse the vehic...
Orthotropic steel decks have been widely used in steel bridges due to their small volume weigh, high strength and good applicability of assembly fabrication. The asphalt pavement laying on the orthotropic steel deck can effectively disperse the vehic...
2024, 54(12): 238-245.
doi: 10.3724/j.gyjzG24091101
Abstract:
Carbon fiber reinforced polymer composites (CFRP) are candidates for prestressing tendons due to their advantages over rebars, such as lighter weight, higher strength, and resistance to corrosion, fatigue, and creep. However, the transverse shear and...
Carbon fiber reinforced polymer composites (CFRP) are candidates for prestressing tendons due to their advantages over rebars, such as lighter weight, higher strength, and resistance to corrosion, fatigue, and creep. However, the transverse shear and...
2024, 54(12): 246-253.
doi: 10.3724/j.gyjzG23120709
Abstract:
For investigating the size effects of brick masonry columns and reinforced brick masonry columns with angle steel, axial compression tests were conducted on 12 square cross-section unreinforced and reinforced brick masonry columns with different size...
For investigating the size effects of brick masonry columns and reinforced brick masonry columns with angle steel, axial compression tests were conducted on 12 square cross-section unreinforced and reinforced brick masonry columns with different size...
2024, 54(12): 254-260.
doi: 10.3724/j.gyjzG23092603
Abstract:
Based on the experiments of concrete floor slabs strengthened by embedded reinforcement method, combined with numerical simulations and analysis, the study explored the mechanical properties of reinforced concrete floor slabs under bending conditions...
Based on the experiments of concrete floor slabs strengthened by embedded reinforcement method, combined with numerical simulations and analysis, the study explored the mechanical properties of reinforced concrete floor slabs under bending conditions...
