[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$f9J3xKxe1uytFuzoV12Hj4YE8o4ceWW6aXeUOlnnaw_c":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":10,"question":17,"related":18,"source":29,"type":30},[],"2024-03-27 22:47:14",135930008,[8,9],"正确","错误",{"count":11,"courseId":12,"courseImg":13,"courseName":14,"workId":15,"workName":16},199,"7b6f316073410eeeb857bae31f5cc75a","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F7824b8d6d48fc61e5f9ffdef6164ec9a.png","【24春】水利工程施工","4d9085108a084f1382b1310722b76745","","我国已建的土石坝坝壳采用砂砾石的很多,如大伙房、密云、石头河、碧口等.混凝土面板堆石坝中,不少也以砂砾石为筑坝材料,如小干沟、两岔河、吉林台一级等.碾压砂砾石压缩性低,抗剪强度高,但往往细粒含量大,易冲蚀,易管涌,因此需加强渗流控制措施.这句话( )",[19,31,36,43,48,55,61,66,71,76],{"answer":20,"createTime":21,"id":22,"options":23,"question":28,"source":29,"type":30},[],"2025-05-22 20:33:52",135929999,[24,25,26,27],"定向爆破修筑","水力冲填(包括水坠坝)","干填碾压","水中填土","国内外均以( )土石坝采用最多","v1",0,{"answer":32,"createTime":5,"id":33,"options":34,"question":35,"source":29,"type":30},[],135930000,[8,9],"土石坝最大的特点是对材料的适应性,能够根据近坝材料的特性,设计坝体断面,因此,土石坝又被称作为当地材料坝.这句话( )",{"answer":37,"createTime":5,"id":38,"options":39,"question":42,"source":29,"type":30},[],135930001,[40,41],"l×10-5cm\u002Fs","l×10-6cm\u002Fs","作为防渗的土料最基本的要求是防渗性,渗透系数不大于( )时,一般即可满足要求",{"answer":44,"createTime":5,"id":45,"options":46,"question":47,"source":29,"type":30},[],135930002,[8,9],"只要渗透系数满足要求,作好反滤保护,无塑性的粉质砂土也可以作为高坝的防渗材料.严格反滤、放宽材料,是现代心墙用料的工程趋向.这句话( )",{"answer":49,"createTime":5,"id":50,"options":51,"question":54,"source":29,"type":30},[],135930003,[52,53],"抗管涌能力","抗冲蚀能力","渗流稳定性指防渗料的( )能力",{"answer":56,"createTime":57,"id":58,"options":59,"question":60,"source":29,"type":30},[],"2025-05-22 20:33:53",135930004,[9,8],"一般认为塑性大的细粒土抗管涌能力强;砾类土抗冲蚀能力强,可以使心墙裂缝自愈.设计施工中,强调反滤料对心墙的保护以及设置接触粘土,以防止心墙与基础面的接触冲蚀,起到改善心墙应力的作用.这句话( )",{"answer":62,"createTime":5,"id":63,"options":64,"question":65,"source":29,"type":30},[],135930005,[8,9],"细粒土是我国采用最多的防渗材料.只要坝址附近有数量足够、天然含水量适中的细粒土,采用细粒土作为防渗料经常是较好的选择.这句话( )",{"answer":67,"createTime":5,"id":68,"options":69,"question":70,"source":29,"type":30},[],135930006,[8,9],"砾质土有很高的承载力,可以采用中型机械进行碾压,在良好级配情况下,亦可作为防渗材料.这句话( )",{"answer":72,"createTime":5,"id":73,"options":74,"question":75,"source":29,"type":30},[],135930007,[8,9],"采用粘土与砂砾石掺和料作防渗材料,可以改善防渗体的施工性,减小其压缩性,并增强其抗冲蚀能力.这句话( )",{"answer":77,"createTime":5,"id":6,"options":78,"question":17,"source":29,"type":30},[],[8,9]]