[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$f2oi4WlBvHqih5eFJYpJ30N2OVE3zzeqqoWKEjw3CY-Q":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":10,"question":17,"related":18,"source":28,"type":29},[],"2024-04-10 15:30:01",137666607,[8,9],"正确","错误",{"count":11,"courseId":12,"courseImg":13,"courseName":14,"workId":15,"workName":16},3,"45163dcb8719481e9a81c47c09934b8e","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F01e06cf4c4f5588e82a321fe8dac85ce.png","工程结构抗震设计","cde5e9c182814fbeb531f406f7c4aad8","3.1","在计算等效剪切波速时,土层的计算深度应取土的覆盖层厚度和20m两者中的较大值",[19,30,33],{"answer":20,"createTime":5,"id":21,"options":22,"question":27,"source":28,"type":29},[],137666606,[23,24,25,26],"200m\u002Fs","250m\u002Fs","500m\u002Fs","&gt;500m\u002Fs","抗震场地土的类型中,坚硬场地土的剪切波速为( )","v1",0,{"answer":31,"createTime":5,"id":6,"options":32,"question":17,"source":28,"type":29},[],[8,9],{"answer":34,"createTime":5,"id":35,"options":36,"question":41,"source":28,"type":29},[],137666608,[37,38,39,40],"土的覆盖层厚度","土层等效剪切波速","土的覆盖层厚度和等效剪切波速","土层的深度","建筑场地土的类别是根据( )确定的"]