[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$f5Ymb94WqPH7nGxRChMdILRn6yeEQtLTjrdAy4Iymp-g":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":19,"related":20,"source":31,"type":32},[],"2024-09-11 20:36:59",159229515,[8,9,10,11],"200mm","300mm","400mm","500mm",{"count":13,"courseId":14,"courseImg":15,"courseName":16,"workId":17,"workName":18},30,"7d2826cbf40d034ae9d6d5fc0f425493","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F1470c52251b4f25e3ceaacf9d5403ee3.jpg","桥梁检测与加固","387bcd96cf754e1dafdbe8caec442c6f","混凝土缺陷及钢筋锈蚀测试","超声法检测结构混凝土裂缝时,当结构的裂缝部位只有一个可测表面时,单面平测法适用于裂缝深度不大于( )的情况",[21,33,43,52,61,70,79,88,97,104],{"answer":22,"createTime":23,"id":24,"options":25,"question":30,"source":31,"type":32},[],"2024-09-11 20:36:57",159229498,[26,27,28,29],"②①③⑤④","②①③④⑤","①②③⑤④","①②③④⑤","混凝土保护层测量试验步骤的正确顺序应为( ). ① 检测前应先对被测钢筋进行初步定位. ② 检测前宜具备有关图纸资料,以确定钢筋的种类和直径. ③进行钢筋位置检测时,探头有规律地在检测面上移动,直到仪器显示接收信号最强或保护层厚度值最小时,结合设计资料判断钢筋位置,此时探头中心线与钢筋轴线基本重合,在相应位置做好标记. ④钢筋定位后可进行保护层厚度的检测. ⑤将相邻的其他钢筋逐一标出","v1",0,{"answer":34,"createTime":35,"id":36,"options":37,"question":42,"source":31,"type":32},[],"2024-09-11 20:36:58",159229500,[38,39,40,41],"5","6","7","8","混凝土表面损伤层检测时每一测位的测点数不得少于( )个",{"answer":44,"createTime":35,"id":45,"options":46,"question":51,"source":31,"type":32},[],159229502,[47,48,49,50],"1%~2%","2%~3%","2%~5%","5%~10%","电位法检测钢筋锈蚀状态,混凝土含水率对测量有明显影响,因此测量时构件应在自然状态下,含水率约为( )",{"answer":53,"createTime":35,"id":54,"options":55,"question":60,"source":31,"type":32},[],159229504,[56,57,58,59],"1个","2个","3个","4个","混凝土氯离子检测时,钻孔取粉的数量不宜少于( )",{"answer":62,"createTime":35,"id":63,"options":64,"question":69,"source":31,"type":32},[],159229506,[65,66,67,68],"0.01mm","0.1mm","1mm","2mm","根据某一测量部位各测点混凝土保护层厚度实测值,计算混凝土保护层厚度平均值时,应精确至( )",{"answer":71,"createTime":35,"id":72,"options":73,"question":78,"source":31,"type":32},[],159229508,[74,75,76,77],"5%","10%","30%","50%","对某一类构件进行混凝土钢筋分布检测时,抽样数不少于同类构件总数的( )",{"answer":80,"createTime":35,"id":81,"options":82,"question":87,"source":31,"type":32},[],159229510,[83,84,85,86],"①②","①③","④","②③","超声脉冲波检测混凝土深裂缝时换能器的布置方式有:①对测法;②斜测法;③平测法;④钻孔法( )",{"answer":89,"createTime":35,"id":90,"options":91,"question":96,"source":31,"type":32},[],159229512,[92,93,94,95],"20Hz~150kHz","20kHz~150kHz","20kHz~150MHz","20MHz~150MHz","超声法检测混凝土缺陷所采用的超声波频率一般为( )",{"answer":98,"createTime":35,"id":99,"options":100,"question":103,"source":31,"type":32},[],159229514,[101,11,102,10],"50mm","100mm~300mm","在进行不密实区、空洞或混凝土结合面质量检测时,对于工业与民用建筑,测点间距宜为( )",{"answer":105,"createTime":5,"id":6,"options":106,"question":19,"source":31,"type":32},[],[8,9,10,11]]