问题:钢筋机械连接接头性能检验时,如果有一个试件强度不符合要求,应再取...
Saturday, September 17, 2022
Thursday, September 15, 2022
问题:沥青防水卷材,拉伸性能中拉伸试验夹具移动速度()mm/min,夹...
Saturday, September 17, 2022
问题:测定水泥密度时,水泥试样的称取量为60g,称准至0.1g。...
Sunday, September 11, 2022
Saturday, September 17, 2022
问题:轻集料混凝土小型空心砌块(GB/T15229-2011)标准中规...
Saturday, September 17, 2022
问题:弹性体改性沥青防水卷材(SBS)产品不超过()为一验收批。...
Saturday, September 17, 2022
问题:烧结普通砖(GB5101-2003)标准中规定,砖的一等品允许出...
Thursday, September 15, 2022
问题:GB/T701-2008标准适用于供拉丝等深加工及其他一般用途的...
Saturday, September 17, 2022
问题:沥青混合料劈裂试验中试验温度可根据当地气候条件、试验目的或有关规...
Sunday, September 11, 2022
Saturday, September 17, 2022
问题:预铺和湿铺防水卷材拉伸性能试件取样尺寸P类是()mm,PY类是(...
Thursday, September 15, 2022
问题:热轧带肋钢筋,每60吨为一验收批,每批应取弯曲试件(),拉伸试件...
Saturday, September 17, 2022
Saturday, September 17, 2022
问题:用于高等级公路路面抗滑表层的粗集料,除满足沥青混凝土粗集料要求的技术性质外,还应满足的指标是()。A、冲击值;B、磨光值;C、道瑞磨耗;D、压碎值...
Wednesday, August 23, 2023
Sunday, September 11, 2022
Saturday, September 17, 2022
Friday, September 16, 2022
Sunday, September 11, 2022
问题:粉煤灰砖不得用于基础或用于易受冻融和干湿交替作用的建筑部位。...
Saturday, July 8, 2023