[{"id":1,"name":"砖胎膜倒角_单选题","question":"平面阴角、立面内角和外角必须均做成 R=？圆弧，使其棱角趋于平缓，以便于卷材粘结。","options":"A))50mm|\nB))10mm|\nC))5mm|\nD))1mm","answers":"A","analysis":"解析：所有阴阳角包括平面阴角、立面内角和外角必须均做成 R=50㎜ 圆弧（做成半径≥50mm的八字角或45°坡角），使其棱角趋于平缓，以便于卷材粘结。","group":1,"type":"S"},{"id":2,"name":"基层含水率检查_1单选题","question":"1、防水卷材施工前需检查基层是否干燥，“将1m2卷材，平坦干铺在基层上，静置（）小时后，检查含水率宜小于9%。","options":"A))1-2|\nB))2-3|\nC))3-4|\nD))4-5","answers":"C","analysis":"解析：防水卷材施工前需检查基层是否干燥，“将1m2卷材，平坦干铺在基层上，静置3-4小时后，检查含水率宜小于9%。","group":2,"type":"S"},{"id":3,"name":"基层含水率检查_2单选题","question":"2、防水卷材施工前检查基层干燥的依据是掀开卷材检查覆盖部位（），即可施工。","options":"A))基层表面上未见水印、水珠 |\nB))防水卷材表面上未见水印、水珠|\nC))基层表面及防水卷材表面上均未见水印、水珠|\nD))基层表面及防水卷材表面上均见水印、水珠","answers":"C","analysis":"解析：防水卷材施工前检查基层干燥的依据是掀开卷材检查覆盖部位层表面及防水卷材表面上均未见水印、水珠\n即可施工。","group":2,"type":"S"},{"id":4,"name":"现场码放_单选题","question":"将卷材按铺贴长度进行裁剪并卷好备用，（）均匀的码放在待施工作业面上","options":"A))直立|\nB))平放","answers":"A","analysis":"解析：将卷材按铺贴长度进行裁剪并卷好备用，直立均匀的码放在待施工作业面上","group":3,"type":"S"},{"id":5,"name":"附加层卷材剪裁_单选题","question":"防水卷材施工前剪裁附加层卷材时，沿防水卷材长度方向剪裁宽度不小于（）附加层卷材。","options":"A))100mm|\nB))150mm|\nC))200mm|\nD))250mm","answers":"C","analysis":"解析：防水卷材施工前剪裁附加层卷材时，沿防水卷材长度方向剪裁宽度不小于500mm附加层卷材。","group":4,"type":"S"},{"id":6,"name":"阴角附加层卷材铺设_单选题","question":"采用热熔法对高聚物改性沥青防水卷材进行施工的环境气温需满足不低于()","options":"A))-10℃|\nB))10℃|\nC))-5℃|\nD))5℃","answers":"A","analysis":"解析：采用热熔法对高聚物改性沥青防水卷材进行施工的环境气温需满足不低于-10℃","group":5,"type":"S"},{"id":7,"name":"阳角附加层卷材铺设_单选题","question":"防水卷材施工前，烘烤基层阳角及卷材，卷材表面熔化后，自下而上热熔满粘附加层卷材。标注阳角两边卷材宽度为大于等于（）","options":"A))1500mm|\nB))2500mm|\nC))500mm|\nD))1000mm","answers":"D","analysis":"解析：防水卷材施工前，烘烤基层阳角及卷材，卷材表面熔化后，自下而上热熔满粘附加层卷材。标注阳角两边卷材宽度为大于等于250mm","group":6,"type":"S"},{"id":8,"name":"弹线_单选题","question":"1、防水卷材施工前，在大面第一层及第二层卷材施工前，应在基层卷材上弹出卷材边缘基准线，用钢卷尺量测第二条与基准线之间距离为卷材的幅宽1m，之后每一条基准线与前一条基准线之间尺寸为（）严格按照基准线铺贴卷材，确保搭接宽度为100mm。","options":"A))1m|\nB))0.95m|\nC))0.9m|\nD))0.85m","answers":"C","analysis":"解析：防水卷材施工前，在大面第一层及第二层卷材施工前，应在基层卷材上弹出卷材边缘基准线，用钢卷尺量测第二条与基准线之间距离为卷材的幅宽1m，之后每一条基准线与前一条基准线之间尺寸为0.9m，严格按照基准线铺贴卷材，确保搭接宽度为100mm。","group":7,"type":"S"},{"id":9,"name":"滚压排气粘牢_单选题","question":"2、依据《地下防水工程质量验收规范》弹性体改性沥青防水卷材的搭接长度不小于（）。","options":"A))50mm|\nB))100mm|\nC))120mm|\nD))150mm","answers":"B","analysis":"解析：依据《地下防水工程质量验收规范》弹性体改性沥青防水卷材的搭接长度不小于100mm","group":8,"type":"S"},{"id":10,"name":"甩槎_单选题","question":"防水卷材施工时，第一层卷材铺贴完成后，再铺贴第二层卷材，上下两层和相邻两幅卷材的接缝应错开（）幅宽，且两层卷材不得相互垂直铺贴。","options":"A))1/8～1/7|\nB))1/6～1/5|\nC))1/5～1/4|\nD))1/3～1/2","answers":"D","analysis":"解析：防水卷材施工时，第一层卷材铺贴完成后，再铺贴第二层卷材，上下两层和相邻两幅卷材的接缝应错开1/3～1/2幅宽，且两层卷材不得相互垂直铺贴。","group":9,"type":"S"},{"id":11,"name":"铺下层网片长向钢筋_1单选题","question":"1、筏板基础底板钢筋绑扎时，根据在防水保护层弹好的钢筋位置线，先铺下层网片的长向钢筋，底层钢筋第一根起步位置为基础边出（）起步。","options":"A))5mm|\nB))10mm|\nC))20mm|\nD))50mm","answers":"D","analysis":"解析：筏板基础底板钢筋绑扎时，根据在防水保护层弹好的钢筋位置线，先铺下层网片的长向钢筋，底层钢筋第一根起步位置为基础边出50mm起步","group":10,"type":"S"},{"id":12,"name":"铺下层网片长向钢筋_2多选题","question":"2、筏板基础底板钢筋绑扎时，钢筋接头采用剥肋滚轧直螺纹机械连接，接头在同一截面相互 （），同一根钢筋尽量减少接头。","options":"A))错开50％|\nB))错开间距不小于35d（d为受力钢筋的较大直径）|\nC))错开间距不小于300mm|\nD))错开间距不小于15d（d为受力钢筋的较大直径）|\nE))错开间距不小于500mm","answers":"A|B|E","analysis":"解析：筏板基础底板钢筋绑扎时，钢筋接头采用剥肋滚轧直螺纹机械连接，接头在同一截面相互互错开 50％，错开间距不小于35d（d为受力钢筋的较大直径），且不小于500mm同一根钢筋尽量减少接头。","group":10,"type":"M"},{"id":13,"name":"绑扎上层网片长向钢筋_多选题","question":"筏板基础底板钢筋连接时，底板纵筋钢筋接头可采用（）","options":"A))直螺纹套筒机械连接|\nB))电弧焊|\nC))绑扎连接|\nD))闪光对焊连接|\nE))电渣压力焊","answers":"A|B|C|D","analysis":"解析：筏板基础底板钢筋连接时，不适合使用电阻点焊连接电渣压力焊）","group":11,"type":"M"},{"id":14,"name":"场外运输_单选题","question":"有关混凝土搅拌运输车说法不正确的是（）","options":"A))是一种用于长距离输送混凝土的高效能机械|\nB))运输车在装料前将筒内积水排尽|\nC))气温高时可以向运输车内的混凝土加水|\nD))混凝土搅拌运输车属于地面水平运输方式","answers":"C","analysis":"解析：无","group":12,"type":"S"},{"id":15,"name":"分层浇筑_1多选题","question":"1、筏板基础大体积混凝土浇筑方法根据筏板基础厚度，跨度可采用（)浇筑方法","options":"A))斜面分层|\nB))直面分层|\nC))分层分段|\nD))全面分层","answers":"A|C","analysis":"解析：无","group":13,"type":"M"},{"id":16,"name":"分层浇筑_2单选题","question":"2、筏板基础大体积混凝土分层浇筑应采用自然流淌形成斜坡，并应沿高度均匀上升，分层厚度不宜大于（）","options":"A))500mm|\nB))450mm|\nC))400mm|\nD))300mm","answers":"A","analysis":"解析：无","group":13,"type":"S"},{"id":17,"name":"分层浇筑_3单选题","question":"3、关于基础大体积混凝土结构浇筑的说法正确的是（）","options":"A))宜先浇筑大面积基础部分再浇筑深坑部分|\nB))宜先浇筑深坑部分再浇筑大面积基础部分","answers":"B","analysis":"解析：无","group":13,"type":"S"},{"id":18,"name":"分层浇筑_4单选题","question":"4、混凝土浇筑层的最大厚度为振动棒作用部分长度的()倍","options":"A))1.7|\nB))1.5|\nC))1.4|\nD))1.25","answers":"D","analysis":"解析：无","group":13,"type":"S"},{"id":19,"name":"混凝土振捣_1单选题","question":"1、插入式振动棒的操作要点是（）","options":"A))快拔慢插|\nB))慢拔慢插|\nC))快插快拔|\nD))快插慢拔","answers":"D","analysis":"解析：无","group":14,"type":"S"},{"id":20,"name":"混凝土振捣_2单选题","question":"2、振动棒前端应插入前一层混凝土中，插入深度不应小于（）","options":"A))300mm|\nB))200mm|\nC))100mm|\nD))50mm","answers":"D","analysis":"解析：无","group":14,"type":"S"},{"id":21,"name":"混凝土振捣_3单选题","question":"3、振动棒与模板的距离不应大于振动棒作用半径的（），振捣插点间距不应大于振动棒的作用半径的（）倍","options":"A))30%,1.4|\nB))50%,1.4|\nC))30%,1.25|\nD))50%,1.25","answers":"B","analysis":"解析：无","group":14,"type":"S"},{"id":22,"name":"混凝土养护_1多选题","question":"1、混凝土浇筑后应及时进行保湿养护，保湿养护可采用()方式","options":"A))洒水|\nB))覆盖|\nC))喷涂养护剂","answers":"A|B|C","analysis":"解析：无","group":15,"type":"M"},{"id":23,"name":"混凝土养护_2单选题","question":"2、抗渗混凝土、强度等级C60及以上的混凝土养护时间不应少于（）天","options":"A))7|\nB))14","answers":"B","analysis":"解析：无","group":15,"type":"S"},{"id":24,"name":"冬季养护_单选题","question":"冬季施工期间，筏板基础底板混凝土养护采用综合蓄热法，以保温保湿的方法为主。混凝土表面搓平后，及时覆盖塑料布一层、阻燃草帘二层。塑料布之间搭接不少于（）。","options":"A))10mm|\nB))20mm|\nC))50mm|\nD))100mm","answers":"D","analysis":"解析：无","group":16,"type":"S"}]