Sunday, September 11, 2022
Thursday, September 15, 2022
Thursday, September 15, 2022
问题:砂浆立方体抗压强度应按下式计算:fm,cu=K*Nu/A;式中:...
Thursday, September 15, 2022
问题:砂浆弹性模量试验过程中,其中一个试件在测完弹性模量后的棱柱体抗压...
Thursday, September 15, 2022
问题:粉煤灰细度检验应把负压筛调节负压至()Pa范围内。...
Thursday, September 15, 2022
问题:测定砂浆拌合物捣实后的单位体积质量以确定每立方米砂浆拌合物各组成...
Thursday, September 15, 2022
Thursday, September 15, 2022
问题:抗冻性能试验.可用于检验强度等级大于()的砂浆的抗冻性能...
Thursday, September 15, 2022
问题:下列选项具有测量混凝土外加剂密度测量条件的有()...
Thursday, September 15, 2022
问题:《铁路工程土工试验工程》TB10102-2010,核子射线法适用于现场原位测定填料为()的压实密度,测定前宜于灌砂法的结果进行标定。A、细粒土B、粗粒土C、巨粒土D、各类土...
Thursday, November 10, 2022
问题:首次使用的预拌商品混凝土配合比,应进行开盘鉴定。开盘鉴定由()组...
Thursday, September 15, 2022
问题:普通混凝土的立方体抗压强度fcu 与轴心抗压强度fcp之间的关系是fcp...
Wednesday, September 6, 2023
问题:硅酸盐水泥是由硅酸盐水泥熟料、0~5%石灰石或粒化高炉矿渣、适量石膏磨细制成。硅酸盐水泥中不掺加混合材料,其代号为()。A、P·S·AB、P·S·BC、P·ⅠD、P·Ⅱ...
Thursday, August 10, 2023
问题:热轧带肋钢筋的牌号由HRB和屈服点的最大值构成。...
Sunday, September 11, 2022
问题:()、同出厂日期且连续进场的散装水泥每500t(袋装水泥每200...
Thursday, September 15, 2022
问题:贯入法检测砌筑砂浆抗压强度时,贯入深度越深,相应砂浆强度越低。...
Wednesday, March 22, 2023
Thursday, September 15, 2022