[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fwHiSqlfPls6B7FSjPIUffOIfAnWuLCrgPto1TJ0n6C8":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":19,"related":20,"source":30,"type":31},[],"2025-11-27 16:48:32",243429468,[8,9,10,11],"梯段","平台梁","栏杆","平台板",{"count":13,"courseId":14,"courseImg":15,"courseName":16,"workId":17,"workName":18},18,"53e1d2ef4961cca8eea3e23969ad2cb9","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F03a579384a6dc297c89809b582fcc767.png","默认课程","work_48574424","5.1 楼梯组成、形式、尺寸","下列楼梯组成部分中,不属于承重构件的是( )",[21,32,41,50,59,68,75,84,87,94],{"answer":22,"createTime":5,"id":23,"options":24,"question":29,"source":30,"type":31},[],243429461,[25,26,27,28],"≥2000mm,≥2000mm","≥2200mm,≥2000mm","≥2000mm,≥2200mm","≥2200mm,≥2200mm","楼梯段上的净空高度和平台上的净空高度分别应满足( )和( )","v1",0,{"answer":33,"createTime":5,"id":34,"options":35,"question":40,"source":30,"type":31},[],243429462,[36,37,38,39],"18;5","20;3","18;3","20;5","每个楼梯段的踏步数量一般不应超过( )级,也不应少于( )级",{"answer":42,"createTime":5,"id":43,"options":44,"question":49,"source":30,"type":31},[],243429463,[45,46,47,48],"承重","围护","交通","保温","楼梯得主要作用( )",{"answer":51,"createTime":5,"id":52,"options":53,"question":58,"source":30,"type":31},[],243429464,[54,55,56,57],"主要和辅助","现浇和预制","钢筋混凝土和木","开敞式和封闭式","楼梯按照材料可以分为( )",{"answer":60,"createTime":5,"id":61,"options":62,"question":67,"source":30,"type":31},[],243429465,[63,64,65,66],"平行双跑楼梯","剪刀楼梯","双分双合楼梯","螺旋楼梯","能有效利用建筑空间的楼梯为( )",{"answer":69,"createTime":5,"id":70,"options":71,"question":74,"source":30,"type":31},[],243429466,[72,73,64,66],"直跑楼梯","两跑楼梯","在楼梯形式中,不宜用于疏散楼梯的是",{"answer":76,"createTime":5,"id":77,"options":78,"question":83,"source":30,"type":31},[],243429467,[79,80,81,82],"L=b×(N-2)","L=b×N","L=b×(N-1)","L=b×(N+1)","梯段水平投影长度(L)的计算公式是( )",{"answer":85,"createTime":5,"id":6,"options":86,"question":19,"source":30,"type":31},[],[8,9,10,11],{"answer":88,"createTime":5,"id":89,"options":90,"question":93,"source":30,"type":31},[],243429469,[8,91,92,10],"平台","踏步","在楼梯组成中,连接两个梯段的水平部件称为( )",{"answer":95,"createTime":5,"id":96,"options":97,"question":102,"source":30,"type":31},[],243429470,[98,99,100,101],"可不设置防烟设施","门应采用乙级防火门","疏散门应朝疏散方向开启","可用于地下商店","关于封闭楼梯间,下列说法正确的是( )"]