装配整体式剪力墙受剪性能研究
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摘要
介绍了一种适用于住宅产业化的新型装配整体式剪力墙结构体系——预制混凝土空心模板剪力墙.完成了1个现浇钢筋混凝土剪力墙试件和2个预制混凝土空心模板剪力墙试件在恒定轴力下的拟静力试验,研究了新型墙体的破坏过程和破坏模式,分析了内部结合面、竖向接缝对墙体受剪性能的影响.研究结果表明:预制混凝土空心模板剪力墙出现宏观竖向裂缝,可避免发生脆性剪切破坏;竖向接缝是影响预制混凝土空心模板剪力墙性能的重要因素;预制混凝土空心模板剪力墙构造合理,可应用于实际工程.
Shear wall built with precast two-way hollow slabs applied in housing industrialization is an innovative shear wall. To study the failure process and the failure mode of the new typed walls,and to analyze the effect of inner joints and vertical joints on shear performance of the walls,one cast-in-place reinforced concrete shear wall and two shear walls built with precasted hollow slab are quasi-statically tested. The results indicate that the deformability of the new typed walls is good and brittle shear failure is avoided by vertical initiated cracks. Vertical joint is the key factor that affects the behavior of the walls. The construction of the new typed walls is reasonable. Therefore,it can be applied in practical engineering.
Shear wall built with precast two-way hollow slabs applied in housing industrialization is an innovative shear wall. To study the failure process and the failure mode of the new typed walls,and to analyze the effect of inner joints and vertical joints on shear performance of the walls,one cast-in-place reinforced concrete shear wall and two shear walls built with precasted hollow slab are quasi-statically tested. The results indicate that the deformability of the new typed walls is good and brittle shear failure is avoided by vertical initiated cracks. Vertical joint is the key factor that affects the behavior of the walls. The construction of the new typed walls is reasonable. Therefore,it can be applied in practical engineering.
引文
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[2]姚谦峰,黄炜.新型住宅结构体系发展与应用研究综述[J].施工技术,2003,32(10):6-9.
[3]陈建伟,苏幼坡.预制装配式剪力墙结构及其连接技术[J].世界地震工程,2013(01):38-48.
[4]黄小坤,田春雨.预制装配式混凝土结构的研究进展[J].住宅产业,2010,9:28-32.
[5]文林峰.加快推进住宅产业化,全面提高保障性住房质量[J].住宅产业,2012(12):28-31.
[6]初明进.冷弯薄壁型钢混凝土剪力墙抗震性能研究[D].北京:清华大学,2010.
[7]初明进,刘继良,崔会趁,等.装配整体式双向孔空心模板剪力墙受剪性能试验研究[J].工程力学,2013,30(7):219-229.
[8]初明进,刘继良,崔会趁,等.不同构造竖缝的装配式空心模板剪力墙抗震性能试验研究[J].建筑结构学报,2014,35(1):93-102.
[9]赵钦艳,崔会趁,张中勇,等.带现浇边缘构件的预制双向孔模板剪力墙受力性能试验研究[J].烟台大学学报:自然科学与工程版,2014,27(3):211-216.
[10]Zhao Qinyan,Zhang Zhongyong,Qiu Guangming,et al.Experimental study on mechanical behaviors of precase concrete shear wall with vertical joint[J].Applied Mechanics and Materials,2014:1299-1303.
[11]侯建群.预制混凝土空心模与住宅产业化[C]//刘长发.中国建材产业转型升级创新发展研究论集.北京:中国建材工业出版社,2013:220-225.
[12]中华人民共和国建设部.GB/T50081-2002普通混凝土力学性能试验方法标准[S].北京:中国建筑工业出版社,2003.
[13]中华人民共和国建设部.GB/T5228.1-2010金属材料拉伸试验第1部分:室温试验方法[S].北京:中国建筑工业出版社,2003.
[14]中华人民共和国建设部.JCJ101-96建筑抗震试验方法规程[S].北京:中国建筑工业出版社,1996.
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