试验过程中温度计的作用为在矿粉搅拌好后再进行温度测量。...
Saturday, September 17, 2022
已知桩身平均波速为c,入射波峰值时刻为t1,缺陷反射波到时为t2,则桩身缺陷位置x为()...
Thursday, September 22, 2022
Thursday, September 22, 2022
Thursday, September 15, 2022
隧道周边位移量测,确定初读数时要求连续量测3次的误差()mm...
Thursday, September 15, 2022
Thursday, September 15, 2022
单选题水质氯化物测定用吸管吸取()mL水样或经过处理的水样,置于锥形瓶中。另取一锥形瓶加入()mL蒸馏水作空白试验。A 50、100B 100、100C 100、50D 50、50...
Thursday, December 21, 2023
一组C45的混凝土试件,它的加荷速度不符合规范标准的是()...
Thursday, September 22, 2022
水泥或石灰剂量测定时,如试样质量300g,则10%氯化铵的加入量应为()。...
Wednesday, September 14, 2022
单选题现场无损检测二衬混凝土厚度的常用方法是()A 激光断面仪法B 凿孔法C 取芯法D 地质雷达法...
Thursday, December 28, 2023
一组C45的混凝土试件,它的加荷速度不符合规范标准的是()...
Thursday, September 22, 2022
Monday, September 19, 2022
Thursday, September 22, 2022
多选题钢筋的主要力学性能有()。A屈服强度B抗拉强度C断后伸长率D最大力总伸长率E冷弯试验...
Saturday, November 26, 2022
Thursday, September 22, 2022
Thursday, September 22, 2022
Thursday, September 22, 2022
单选题细集料含水率试验中应准备代表性试样两份,每份()gA 100gB 200gC 300gD 500g...
Sunday, October 15, 2023
验评标准中规定高速、一级公路的平整度仪σ(mm),不大于()。...
Friday, September 23, 2022