[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fwZxeBMwtgyAF14IyFfpTq8_pb_YHI8KjQYU8HeRUS0Y":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":10,"question":17,"related":18,"source":29,"type":86},[],"2023-05-11 22:41:33",6622164,[8,9],"正确","错误",{"count":11,"courseId":12,"courseImg":13,"courseName":14,"workId":15,"workName":16},10,"5bf5aef22d73df1c7d024d876ddd7c84","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fc179b097293f091de5372b17ef340d50.png","水利工程管理（第四期）","39fff60215544533b6da17b4a23ab031","子任务2 土石坝的裂缝处理","土石坝的裂缝,按其方向可分为龟状裂缝、横向裂缝、纵向裂缝",[19,31,40,49,58,67,76,81,87,92],{"answer":20,"createTime":21,"id":22,"options":23,"question":28,"source":29,"type":30},[],"2023-05-11 22:40:05",6618034,[24,25,26,27],"20","30","40","50","纵向裂缝的长度一般可延伸数十米至数百米,缝深几米至十几米,缝宽几毫米至几十厘米,两侧错距不大于( )cm","v1",0,{"answer":32,"createTime":21,"id":33,"options":34,"question":39,"source":29,"type":30},[],6618035,[35,36,37,38],"干缩裂缝","冻融裂缝","横向裂缝","纵向裂缝","发生在坝体表面,分布较广,呈龟裂状,密集交错,缝的间距比较均匀,无上下错动.这是( )的特征",{"answer":41,"createTime":21,"id":42,"options":43,"question":48,"source":29,"type":30},[],6618036,[44,45,46,47],"0.5","1.0","1.5","2.0","土石坝裂缝处理,开挖长度应超过裂缝两端lm以外,开挖深度应超过裂缝0.5m,开挖边坡以不致坍塌并满足土壤稳定性及新旧填土接合的要求为原则,槽底宽至少( )m",{"answer":50,"createTime":21,"id":51,"options":52,"question":57,"source":29,"type":30},[],6618037,[53,54,55,56],"1","2","3","4","开挖回填是处理土石坝裂缝比较彻底的方法,适用于处理深度不超过( )m的裂缝,或允许放空水库进行修补加固防渗部位的裂缝",{"answer":59,"createTime":21,"id":60,"options":61,"question":66,"source":29,"type":30},[],6618038,[62,63,64,65],"4%~5%","3%~4%","2%~3%","1%~2%","对沉陷裂缝应选用塑性较大的土料,控制含水量大于最优含水量( )",{"answer":68,"createTime":21,"id":69,"options":70,"question":75,"source":29,"type":30},[],6618039,[71,72,73,74],"5~10","10~15","15~20","20~25","回填的土料应分层夯实,层厚以( )cm为宜,压实厚度为填土厚度的2\u002F3,夯实工具按工作面大小选用,可采用人工夯实或机械碾压",{"answer":77,"createTime":21,"id":78,"options":79,"question":80,"source":29,"type":30},[],6618040,[44,45,46,47],"对缝深小于0.5m、缝宽小于0.5mm的表面干缩裂缝,或缝深不大于( )m的纵向裂缝,也可不予处理,但要封闭缝口",{"answer":82,"createTime":5,"id":83,"options":84,"question":85,"source":29,"type":86},[],6622162,[8,9],"对于内部裂缝,可根据坝体表面和内部的沉陷资料,结合地形、地质、坝型和施工质量等条件进行分析,做出正确判断",3,{"answer":88,"createTime":5,"id":89,"options":90,"question":91,"source":29,"type":86},[],6622163,[8,9],"当裂缝很深或裂缝很多,开挖困难或开挖危及坝坡稳定或工程量过大时,可采用灌浆法处理,特别是内部裂缝,则只宜用灌浆法处理",{"answer":93,"createTime":5,"id":6,"options":94,"question":17,"source":29,"type":86},[],[8,9]]