Sunday, September 11, 2022
问题:钢筋机械连接接头检验分为型式检验、工艺检验和施工现场检验三种形式...
Thursday, September 15, 2022
问题:根据SL352-2006,以()时的最大冻融循环次数为混凝土的抗...
Thursday, September 15, 2022
问题:《水泥细度检验方法筛析法》GB/T1345-2005.中,水泥试...
Thursday, September 15, 2022
Thursday, September 15, 2022
问题:现场碾压混凝土表观密度的测定应在碾压完毕后30min内进行。...
Tuesday, August 22, 2023
问题:含灰剂量测定,当EDTA标准溶液用完后重新配置即可,标准曲线不需要重新绘制。...
Wednesday, March 22, 2023
问题:水泥细度试验中试验筛的筛网会在试验中磨损,因此筛析结果应()。...
Thursday, September 15, 2022
Thursday, September 15, 2022
问题:测定固体含量实验设备需要()A、天平精确至0.001gB、鼓风电热恒温干燥箱温度范围为0℃~200℃C、带盖称量瓶D、干燥器内盛变色硅胶...
Sunday, March 3, 2024
Thursday, September 15, 2022
问题:掺外加剂混凝土的凝结时间差性能指标中的“-”号表示提前,“+”号...
Thursday, September 15, 2022
问题:粉煤灰需水量比试验时,试样的加水量应为试验胶砂流动度达到()mm...
Sunday, September 11, 2022
Thursday, September 15, 2022
问题:弹性体改性沥青防水卷材拉力和延伸率试验应在23℃±2℃进行,夹具...
Thursday, September 15, 2022
问题:砼立方体试件抗压试验时,对于不高于C30强度等级的砼加荷速度应取...
Sunday, September 11, 2022
Thursday, September 15, 2022
Thursday, September 15, 2022
问题:进行混凝土配合比设计过程中,需要考虑混凝土的()性能要求...
Thursday, September 15, 2022