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Cyclic behavior of masonry structures constructed with disassembled brick wall sections
Journal of Building Engineering ( IF 6.7 ) Pub Date : 2024-12-10 , DOI: 10.1016/j.jobe.2024.111544 Zhiming Su, Ying Wang, Wenzhong Zheng
Journal of Building Engineering ( IF 6.7 ) Pub Date : 2024-12-10 , DOI: 10.1016/j.jobe.2024.111544 Zhiming Su, Ying Wang, Wenzhong Zheng
Conventional demolition methods for masonry structures often treat demolished materials as construction waste, lacking a reuse process. This study proposed a green and recyclable method by disassembling brick wall panels into sections and reusing them to construct new masonry structures. To verify the feasibility of this method, a two-story brick masonry structure model was constructed, with a detailed description of the design and manufacturing process provided. A cyclic loading test was conducted to observe the failure mode and analyze the load-displacement curves. The test results indicated that the model walls primarily exhibited a shear failure mode and demonstrated good in-plane shear capacity and seismic deformation capacity. The strength of bricks and mortar in disassembled brick wall sections (DBWSs) met the minimum code requirements. Additionally, an economic impact assessment was conducted to demonstrate the cost-effectiveness of reusing DBWSs. Constructing masonry structures with DBWSs was found to be more cost-effective than using new bricks when appropriate disassembly and design methods were employed. The greater the width and height of DBWSs, the greater the economic benefit of using DBWSs to build masonry structures. Thus, constructing new masonry structures with DBWSs is not only feasible but also offers substantial reuse potential, providing an innovative approach to recycling masonry components.
中文翻译:
用拆解的砖墙截面建造的砌体结构的循环行为
传统的砖石结构拆除方法通常将拆除的材料视为建筑垃圾,缺乏再利用过程。本研究提出了一种绿色和可回收的方法,将砖墙板拆解成几部分,然后重新利用它们来建造新的砖石结构。为了验证该方法的可行性,构建了一个两层砖砌体结构模型,并提供了设计和制造过程的详细描述。进行了循环加载试验,以观察破坏模式并分析负载-位移曲线。试验结果表明,模型墙体主要表现为剪切破坏模式,表现出良好的面内剪切能力和抗震变形能力。拆解砖墙截面 (DBWS) 中的砖和砂浆强度满足最低规范要求。此外,还进行了经济影响评估,以证明重复使用 DBWS 的成本效益。发现在采用适当的拆卸和设计方法时,使用 DBWS 建造砖石结构比使用新砖更具成本效益。DBWS 的宽度和高度越大,使用 DBWS 建造砌体结构的经济效益就越大。因此,使用 DBWS 建造新的砌体结构不仅可行,而且还具有巨大的再利用潜力,为回收砌体组件提供了一种创新方法。
更新日期:2024-12-10
中文翻译:
用拆解的砖墙截面建造的砌体结构的循环行为
传统的砖石结构拆除方法通常将拆除的材料视为建筑垃圾,缺乏再利用过程。本研究提出了一种绿色和可回收的方法,将砖墙板拆解成几部分,然后重新利用它们来建造新的砖石结构。为了验证该方法的可行性,构建了一个两层砖砌体结构模型,并提供了设计和制造过程的详细描述。进行了循环加载试验,以观察破坏模式并分析负载-位移曲线。试验结果表明,模型墙体主要表现为剪切破坏模式,表现出良好的面内剪切能力和抗震变形能力。拆解砖墙截面 (DBWS) 中的砖和砂浆强度满足最低规范要求。此外,还进行了经济影响评估,以证明重复使用 DBWS 的成本效益。发现在采用适当的拆卸和设计方法时,使用 DBWS 建造砖石结构比使用新砖更具成本效益。DBWS 的宽度和高度越大,使用 DBWS 建造砌体结构的经济效益就越大。因此,使用 DBWS 建造新的砌体结构不仅可行,而且还具有巨大的再利用潜力,为回收砌体组件提供了一种创新方法。