采用冷轧带肋钢筋焊接网的抗震墙性能研究

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完成了 5个不同轴压比、不同截面形式的抗震墙试件在往复水平荷载作用下的试验 ,抗震墙的约束边缘构件按《建筑抗震设计规范》(GB5 0 0 1 1— 2 0 0 1 )设置 ,分布筋采用冷轧带肋钢筋焊接网。计算分析了 4片设有约束边缘构件和构造边缘构件的抗震墙边缘混凝土达到极限压应变时 ,竖向分布冷轧带肋钢筋的最大拉应变 ;用DRAIN 2D +程序对一幢一级 (8度 )采用冷轧带肋钢筋焊接网为分布筋的抗震墙结构进行了大震作用下的弹塑性时程分析。研究结果表明 ,通过合理设计 ,采用冷轧带肋钢筋焊接网作为分布筋的抗震墙能够满足抗震要求。在此基础上 ,给出了冷轧带肋钢筋焊接网抗震墙的设计建议 The tests of five specimens with different axial compression ratios and different cross-sections are completed under the action of reciprocating horizontal loads. The restrained edge members of the seismic walls are tested according to the Code for Design of Seismic Design of Buildings (GB5 0 0 1 1-200 1) Set, distribution of cold-rolled ribbed rib welded steel mesh. The maximum tensile strain of the cold-rolled ribbed bar with vertical distribution was calculated and analyzed when the ultimate compressive strain of four edge concrete with restrained edge members and edge members was calculated. Degree) The elasto-plastic time-history analysis of the earthquake-proof wall structure with distributed ribs by the cold-rolled ribbed steel welded net is carried out. The results show that the earthquake-resistant wall can meet the seismic requirements through the rational design of anti-seismic walls using cold-rolled ribbed steel welded webs as distribution bars. On this basis, the design suggestions of the anti-seismic wall of cold-rolled ribbed steel bar welded net are given
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