[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fC3sHLlbwRpoYwgvyM00p0lm_CntpCchWPQhTChdaVTY":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":19,"related":20,"source":30,"type":31},[],"2024-05-19 23:28:07",144722302,[8,9,10,11],"480kN","495kN","500kN","490kN",{"count":13,"courseId":14,"courseImg":15,"courseName":16,"workId":17,"workName":18},72,"a88437af3a8907dbb9e628eab0315541","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F7482914ad99088d5956f69e3cacc38db.jpg","混凝土结构设计原理-21土3","exam_118759552","第五、六章 拉、压构件","一圆形截面钢筋混凝土螺旋箍筋柱,柱长细比为\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F59ae45e88b1f8d337cbff88b546d37da.png\">.按螺旋箍筋柱计算该柱的承载力为480kN,按普通箍筋柱计算,该柱的承载力为500kN.该杜的承载力应视为",[21,32,41,50,59,62,71,80,89,98],{"answer":22,"createTime":5,"id":23,"options":24,"question":29,"source":30,"type":31},[],144722298,[25,26,27,28],"节省钢筋筋","降低造价","节省计算工作量","方便施工","偏心受压柱设计成对称配筋,是为了","v1",0,{"answer":33,"createTime":5,"id":34,"options":35,"question":40,"source":30,"type":31},[],144722299,[36,37,38,39],"保护层混凝土剥落","混凝土压碎,钢筋不屈服","间接钢筋屈服,柱子才破坏","混凝土压碎,纵筋屈服","与普通箍筋的柱相比,有间接钢筋的柱主要破坏特征是",{"answer":42,"createTime":5,"id":43,"options":44,"question":49,"source":30,"type":31},[],144722300,[45,46,47,48],"附加弯矩的影响","荷载长期作用的影响","初始偏心距的影响","两端约束情况的影响","钢筋混凝土轴心受压构件,稳定系数是考虑了",{"answer":51,"createTime":5,"id":52,"options":53,"question":58,"source":30,"type":31},[],144722301,[54,55,56,57],"大偏压时随着轴向力的增加而增加","随着轴向力的减少而增加","随着轴向力的增加而增加","小偏压时随着轴向力的增加而增加","偏压构件的抗弯承载力",{"answer":60,"createTime":5,"id":6,"options":61,"question":19,"source":30,"type":31},[],[8,9,10,11],{"answer":63,"createTime":5,"id":64,"options":65,"question":70,"source":30,"type":31},[],144722303,[66,67,68,69],"抵抗剪力","约束核心混凝土","形成钢筋骨架,约束纵筋,防止纵筋压曲外凸","以上三项作用均有","配有普通箍筋的钢筋混凝土轴心受压构件中,箍筋的作用主要是",{"answer":72,"createTime":5,"id":73,"options":74,"question":79,"source":30,"type":31},[],144722304,[75,76,77,78],"大、小偏心受拉构件的判断是依据纵向拉力N的作用点的位置","大偏心构件存在混凝土受压区","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F60353bfa2b7b9b1f7e7a3dcc41c20822.png\">","小偏心受拉构件破坏时,混凝土完全退出工作,全部拉力由钢筋承担","对于钢筋混凝土偏心受拉构件,下面说法错误的是",{"answer":81,"createTime":5,"id":82,"options":83,"question":88,"source":30,"type":31},[],144722305,[84,85,86,87],"螺旋箍筋约束了混凝土的横向变形","螺旋箍筋使混凝士更密实","截面受压面积增大","又多了一种钢筋受压","配置螺旋箍筋的钢筋混凝土柱的抗压承载力,高于同等条件下不配置螺旋箍筋时的抗压承载力是因为",{"answer":90,"createTime":5,"id":91,"options":92,"question":97,"source":30,"type":31},[],144722306,[93,94,95,96],"对受压钢筋合力点取矩求得,即按\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F8c51018803cf6b6a54d0c06197042148.png\">计算","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fdf223bfde9cab0f8461b4a38b2d9719a.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F1a7fe8fbdfe5038fa193751c4655e3cc.png\">","按最小配筋率及构造要求确定","钢筋混凝土矩形截面大偏压构件截面设计当\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fd7c565afd2888720fe02f529208a87f1.png\"> 时,受拉钢筋的计算截面面积As 的求法是",{"answer":99,"createTime":5,"id":100,"options":101,"question":106,"source":30,"type":31},[],144722307,[102,103,104,105],"施工难度大","这种柱的强度将由于纵向弯曲而降低,螺旋箍筋作用不能发挥","抗震性能不好","这种柱的承载力较高","对长细比大于12的柱不宜采用螺旋箍筋,其原因是"]