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学者姓名:王志滨
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采用试验与数值模拟相结合的方法,研究了钢骨架增强聚乙烯(SRPE)管约束玻璃纤维增强塑料(GFRP)海砂混凝土柱的力学性能和受力机理.通过24个轴压短柱试验,研究SRPE管钢丝体积配箍率、混凝土强度和GFRP箍筋间距等参数对组合柱力学性能的影响规律;在确定合理材料本构模型的基础上,运用ABAQUS有限元软件进行数值模拟和参数分析.结果表明:在试验参数范围内组合柱虽均发生剪切破坏,但仍具有较好的延性,说明SRPE管和GFRP箍筋对海砂混凝土形成了良好的约束效应;有限元数值参数分析结果表明,提高环向钢丝体积配箍率能显著提升峰值承载力、剩余承载力和延性,提高混凝土强度能显著提升峰值承载力、剩余承载力和弹性刚度,但延性明显降低,其他参数对组合柱力学性能的影响程度不显著;基于参数分析结果,提出了组合柱轴压承载力和峰值应变简化计算式,可为类似工程实践提供参考.
Keyword :
GFRP筋 GFRP筋 SRPE管 SRPE管 海砂混凝土 海砂混凝土 简化计算 简化计算 组合柱 组合柱 轴压承载力 轴压承载力
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GB/T 7714 | 霍静思 , 王志滨 , 李鑫雷 et al. SRPE管约束GFRP海砂混凝土柱的轴压力学性能研究 [J]. | 建筑科学与工程学报 , 2025 , 42 (1) : 14-25 . |
MLA | 霍静思 et al. "SRPE管约束GFRP海砂混凝土柱的轴压力学性能研究" . | 建筑科学与工程学报 42 . 1 (2025) : 14-25 . |
APA | 霍静思 , 王志滨 , 李鑫雷 , 吴扬杭 , 高剑平 . SRPE管约束GFRP海砂混凝土柱的轴压力学性能研究 . | 建筑科学与工程学报 , 2025 , 42 (1) , 14-25 . |
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The paper conducted 19 partially and 5 fully loaded tests on round-ended concrete-filled steel tubular (CFST) columns. These tests revealed that the ultimate strengths of round-ended CFST columns under partial load declined as the cross-sectional aspect ratio or partial compression area ratio increased. However, the use of a top plate effectively enhanced their ultimate strengths. In addition, a finite element model (FEM) was utilized to generate 487 large-size models to explore the confinement effect, stress distribution, and parametric effects. Since there are no specific design standards available for round-ended CFST columns, the paper has evaluated the applicability of design methods provided in Eurocode 4, AISC 360–16, and Chinese code GB50396 which are intended for circular, square, or elliptical CFST columns for round-ended CFST columns under partial load. However, these existing design techniques showed inaccurate and dispersed resistance predictions for round-ended CFST columns. Therefore, an effective simplified method for forecasting the resistance predictions of round-ended CFST columns under the partial load has been proposed based on the testing results and FEM analysis. © 2023
Keyword :
Aspect ratio Aspect ratio Compressive strength Compressive strength Concretes Concretes Concrete testing Concrete testing Finite element method Finite element method Forecasting Forecasting Tubular steel structures Tubular steel structures
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GB/T 7714 | Wang, Zhi-Bin , Zhuo, Xue-Rong , Tan, Ee Loon et al. Axial partial compressive behavior of round-ended concrete-filled steel tubular columns [J]. | Journal of Constructional Steel Research , 2024 , 220 . |
MLA | Wang, Zhi-Bin et al. "Axial partial compressive behavior of round-ended concrete-filled steel tubular columns" . | Journal of Constructional Steel Research 220 (2024) . |
APA | Wang, Zhi-Bin , Zhuo, Xue-Rong , Tan, Ee Loon , Wang, Jing-Feng , Wang, Bing-Kun . Axial partial compressive behavior of round-ended concrete-filled steel tubular columns . | Journal of Constructional Steel Research , 2024 , 220 . |
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Axial compression tests of 17 CFRP-PE-stainless steel-reinforced concrete (CPSSRC) short columns and 8 counterparts were carried out to investigate the influences of the stainless steel type,hoop spacing,CFRP thickness,and PE thickness on the failure mode,load versus strain curve,ultimate strain,ultimate strength and ductility of the CPSSRC short column. The experimental results showed that the PE cushion between CFRP and concrete improved the ductility of the CPSSRC column and reduced its ultimate strength. Increasing the CFRP thickness improved the ultimate strength and ultimate strain of the CPSSRC short column,but increased the brittleness. Reducing hoop spacing or increasing steel strength improved the ultimate strength,peak strain,and ductility of the column. A finite element(FE)model was established. The FE analysis showed that increasing the thickness-to-diameter ratio of the PE cushion significantly improved the deformation capacity and ductility of the CPSSRC short column and reduced the effect of CFRP on its ultimate strength. Increasing the hoop ratio,stainless steel strength,CFRP tensile strength,and CFRP thickness improved the ultimate strain and ultimate strength of the CPSSRC short column. Increasing the concrete strength improved the ultimate strength of the CPSSRC short column but reduced its ultimate strain. Finally,a ductile design method,ultimate strength model,and ultimate strain model for the CPSSRC short column were proposed. © 2024 Hunan University. All rights reserved.
Keyword :
CFRP-PE-stainless steel-reinforced concrete CFRP-PE-stainless steel-reinforced concrete ductile design ductile design finite element(FE)model finite element(FE)model polyethylene (PE) cushion polyethylene (PE) cushion ultimate strength model ultimate strength model
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GB/T 7714 | Wang, Z. , Song, P. , Xu, H. et al. Study on Design Method of CFRP-PE-stainless Steel-reinforced Concrete Short Column; [CFRP-PE-不 锈 钢 筋 混 凝 土 短 柱 的 设 计 方 法 研 究] [J]. | Journal of Hunan University Natural Sciences , 2024 , 51 (5) : 22-33 . |
MLA | Wang, Z. et al. "Study on Design Method of CFRP-PE-stainless Steel-reinforced Concrete Short Column; [CFRP-PE-不 锈 钢 筋 混 凝 土 短 柱 的 设 计 方 法 研 究]" . | Journal of Hunan University Natural Sciences 51 . 5 (2024) : 22-33 . |
APA | Wang, Z. , Song, P. , Xu, H. , Qiu, R. , Zhang, J. . Study on Design Method of CFRP-PE-stainless Steel-reinforced Concrete Short Column; [CFRP-PE-不 锈 钢 筋 混 凝 土 短 柱 的 设 计 方 法 研 究] . | Journal of Hunan University Natural Sciences , 2024 , 51 (5) , 22-33 . |
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Stainless-clad (SC) steel plates offer desirable corrosion resistance at a relatively low cost, but their shear performance in high-strength bolted connections in a corrosive environment has not been fully explored. In this study, monotonic tensile tests were performed on specimens connected by normal and stainless high-strength bolts at different corrosion degrees. The results were used to determine the influence of corrosion on the slip coefficient, bolt pre-tension force, initial slip load, and ultimate bearing capacity, and a simplified method was developed for estimating the slip coefficient and initial slip load.
Keyword :
Corrosion Corrosion High -strength bolted connection High -strength bolted connection Neutral salt spray corrosion Neutral salt spray corrosion Stainless -clad steel Stainless -clad steel Static behavior Static behavior
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GB/T 7714 | Chen, Ding , Qu, Hui , Li, Wei et al. Shear performance of high-strength bolted connections with stainless-clad steel plates in a corrosive environment [J]. | THIN-WALLED STRUCTURES , 2024 , 199 . |
MLA | Chen, Ding et al. "Shear performance of high-strength bolted connections with stainless-clad steel plates in a corrosive environment" . | THIN-WALLED STRUCTURES 199 (2024) . |
APA | Chen, Ding , Qu, Hui , Li, Wei , Huang, Ao , Du, Maoyuan , Wang, Zhibin . Shear performance of high-strength bolted connections with stainless-clad steel plates in a corrosive environment . | THIN-WALLED STRUCTURES , 2024 , 199 . |
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进行了6个不锈钢管混凝土试件的纯弯试验研究,分析了在弯曲荷载作用下,混凝土类型和截面形状对新型S35657奥氏体不锈钢管混凝土构件的破坏模态、荷载-变形关系、抗弯刚度与承载力的影响规律。试验结果表明:固废混凝土对新型不锈钢管混凝土纯弯构件的整体破坏模态影响不大,但固废混凝土有利于提高构件的抗弯承载力与刚度。随后建立了不锈钢管固废混凝土纯弯构件有限元模型并验证了既有材料模型的适用性,最后分析了各规范抗弯承载力计算方法的适用性和预测精度。
Keyword :
S35657奥氏体不锈钢 S35657奥氏体不锈钢 固废混凝土 固废混凝土 有限元分析 有限元分析 纯弯 纯弯 钢管混凝土 钢管混凝土
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GB/T 7714 | 余鑫 , 欧阳帆 , 张祖宽 et al. 新型不锈钢管固废混凝土构件受弯性能研究 [J]. | 建筑钢结构进展 , 2024 , 26 (03) : 62-69 . |
MLA | 余鑫 et al. "新型不锈钢管固废混凝土构件受弯性能研究" . | 建筑钢结构进展 26 . 03 (2024) : 62-69 . |
APA | 余鑫 , 欧阳帆 , 张祖宽 , 王志滨 . 新型不锈钢管固废混凝土构件受弯性能研究 . | 建筑钢结构进展 , 2024 , 26 (03) , 62-69 . |
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进行了17个CFRP-PE-不锈钢筋混凝土短柱和8个对比试件的轴压试验,探究不锈钢种类、箍筋间距、CFRP厚度、PE厚度对该类组合柱的破坏模态、荷载-应变曲线、极限应变、极限承载力、延性的影响规律.试验结果表明:在CFRP和混凝土间设置PE垫层能提高该类组合短柱的延性和变形能力,并降低其承载力;增大CFRP厚度可提高其承载力和极限应变,但试件表现出增大的脆性;减小箍筋间距或增大钢筋强度可显著提高其承载力、峰值应变和延性.建立了有限元模型,有限元分析表明:增大PE厚径比会显著提高该类组合短柱的变形能力和延性,并降低CFRP对其承载力的影响;增大配箍率、不锈钢强度、CFRP抗拉强度、CFRP厚度可提升该类组合短柱的极限应变与承载力;提高混凝土强度会提高该类组合短柱的峰值承载力,但降低其极限应变.最终建议了该类组合短柱的延性设计方法、承载力模型和极限应变模型.
Keyword :
CFRP-PE-不锈钢筋混凝土 CFRP-PE-不锈钢筋混凝土 PE垫层 PE垫层 延性设计 延性设计 承载力模型 承载力模型 有限元模型 有限元模型
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GB/T 7714 | 王志滨 , 宋培 , 徐辉 et al. CFRP-PE-不锈钢筋混凝土短柱的设计方法研究 [J]. | 湖南大学学报(自然科学版) , 2024 , 51 (05) : 22-33 . |
MLA | 王志滨 et al. "CFRP-PE-不锈钢筋混凝土短柱的设计方法研究" . | 湖南大学学报(自然科学版) 51 . 05 (2024) : 22-33 . |
APA | 王志滨 , 宋培 , 徐辉 , 邱瑞明 , 张健斌 . CFRP-PE-不锈钢筋混凝土短柱的设计方法研究 . | 湖南大学学报(自然科学版) , 2024 , 51 (05) , 22-33 . |
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The authors regret there are errors inFigs. 9 and10 of the published article. The headings in Figs. 9(a), (c), and 10(a) appear incomplete. That is, “SC1-” in Fig. 9(a) is changed to “SC1–0″, “SC2-” in Fig. 9(c) is changed to “SC2–0″, and “L = 1000″ in Fig. 10 (a) is changed to “L = 1000 mm”. The corrected version of figures are provided below: The authors would like to apologise for any inconvenience caused. ____________________________. DOI of original article: . © 2024 Elsevier Ltd
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GB/T 7714 | Wang, Z.-B. , Zhang, B.-H. , Tong, J.-D. et al. Corrigendum to “Eccentric compressive performances of circular steel-reinforced concrete-filled stainless steel tubular column” [Eng Struct 310 (2024) 118125] (Engineering Structures (2024) 310, (S0141029624006874), (10.1016/j.engstruct.2024.118125)) [未知]. |
MLA | Wang, Z.-B. et al. "Corrigendum to “Eccentric compressive performances of circular steel-reinforced concrete-filled stainless steel tubular column” [Eng Struct 310 (2024) 118125] (Engineering Structures (2024) 310, (S0141029624006874), (10.1016/j.engstruct.2024.118125))" [未知]. |
APA | Wang, Z.-B. , Zhang, B.-H. , Tong, J.-D. , Chen, Z. , Han, W.-X. . Corrigendum to “Eccentric compressive performances of circular steel-reinforced concrete-filled stainless steel tubular column” [Eng Struct 310 (2024) 118125] (Engineering Structures (2024) 310, (S0141029624006874), (10.1016/j.engstruct.2024.118125)) [未知]. |
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为研究内置型钢圆形截面不锈钢管混凝土短柱的轴压性能,进行了10根内置型钢的圆形截面不锈钢管混凝土短柱和2根圆形不锈钢管混凝土短柱的轴压试验,并建立其有限元模型,开展了受力机理分析和参数分析。试验和受力机理分析结果表明:设置型钢后圆形截面不锈钢管混凝土短柱的承载力和延性系数分别平均提高了24%和80.3%;峰值荷载作用时,型钢的最大约束应力超过不锈钢管。参数分析结果表明:该类组合柱的承载力随材料强度、钢管含钢率和型钢含钢率的增大而增大,最大提高幅度为36.1%~81.94%;峰值应变随钢材强度或钢管含钢率的增大而增大,最大提高幅度为28.33%~136.09%;轴压刚度随混凝土强度、钢管含钢率和型钢含钢率的增大而增大,最大提高幅度为27.89%~49.1%。提出该类组合柱的轴压承载力、峰值应变和组合刚度的简化模型,简化模型计算值与有限元计算结果及实测结果吻合较好。
Keyword :
内置型钢圆形截面不锈钢管混凝土 内置型钢圆形截面不锈钢管混凝土 有限元模型 有限元模型 简化模型 简化模型 组合刚度 组合刚度 轴压承载力 轴压承载力 轴压试验 轴压试验
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GB/T 7714 | 王志滨 , 柯丞樑 , 李永进 . 内置型钢圆形截面不锈钢管混凝土短柱轴压性能研究 [J]. | 建筑结构学报 , 2024 , 45 (02) : 162-174 . |
MLA | 王志滨 et al. "内置型钢圆形截面不锈钢管混凝土短柱轴压性能研究" . | 建筑结构学报 45 . 02 (2024) : 162-174 . |
APA | 王志滨 , 柯丞樑 , 李永进 . 内置型钢圆形截面不锈钢管混凝土短柱轴压性能研究 . | 建筑结构学报 , 2024 , 45 (02) , 162-174 . |
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采用有限元模型研究内置型钢的圆形不锈钢管混凝土构件的纯弯力学性能,有限元计算结果与试验结果吻合良好。该类典型构件的抗弯承载力比不锈钢管混凝土对比构件的相应值高111.33%;混凝土承担的弯矩也比对比构件的相应值高23.31%,受压区混凝土的抗压承载力约提高了20%,原因是钢管和型钢翼缘对受压区混凝土形成了良好的约束作用。该类构件的抗弯刚度与抗弯承载力随着混凝土强度、不锈钢含钢率、型钢含钢率和回转半径比的增大而提高;其抗弯承载力随着不锈钢屈服强度或型钢屈服强度的增大而提高。最终给出了该类构件的抗弯刚度和抗弯承载力的简化计算方法。
Keyword :
内置型钢的圆形不锈钢管混凝土 内置型钢的圆形不锈钢管混凝土 抗弯刚度 抗弯刚度 抗弯承载力 抗弯承载力 有限元模型 有限元模型 简化模型 简化模型
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GB/T 7714 | 王志滨 , 张铋晗 , 林万福 et al. 内置型钢的圆形不锈钢管混凝土构件的抗弯性能 [J]. | 建筑钢结构进展 , 2024 , 29 (08) : 11-18 . |
MLA | 王志滨 et al. "内置型钢的圆形不锈钢管混凝土构件的抗弯性能" . | 建筑钢结构进展 29 . 08 (2024) : 11-18 . |
APA | 王志滨 , 张铋晗 , 林万福 , 柯丞樑 . 内置型钢的圆形不锈钢管混凝土构件的抗弯性能 . | 建筑钢结构进展 , 2024 , 29 (08) , 11-18 . |
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进入 21 世纪以来,城镇化建设的快速推进和城市人口的激增对房屋建筑物的性能和质量提出了更高要求.由于钢-混凝土组合结构体系具备高承载力、大强度、轻自重及良好抗震性能,被广泛应用于高层建筑.实际施工过程中,这种结构的节点型式多样,内部构造复杂,施工难度大.文章主要介绍了型钢-混凝土组合梁柱钢套筒节点的施工技术,包括工艺原理和施工流程,为实现精细化施工及高质量高层建筑工程奠定基础.
Keyword :
大型建筑 大型建筑 施工技术 施工技术 梁柱节点 梁柱节点 钢套筒 钢套筒 钢混结构 钢混结构
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GB/T 7714 | 陈文灿 , 耿纪民 , 郑亚棋 et al. 型钢-混凝土组合梁柱节点施工技术 [J]. | 河南建材 , 2024 , (10) : 56-58 . |
MLA | 陈文灿 et al. "型钢-混凝土组合梁柱节点施工技术" . | 河南建材 10 (2024) : 56-58 . |
APA | 陈文灿 , 耿纪民 , 郑亚棋 , 熊浩 , 赵春光 , 王子威 et al. 型钢-混凝土组合梁柱节点施工技术 . | 河南建材 , 2024 , (10) , 56-58 . |
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