Friday, May 17, 2024
Saturday, May 18, 2024
出现下列()情况,水泥必须作废品处理;()情况水泥必须降级使用。A、初凝时间不合格B、强度不合格C、终凝时间不合格D、安定性不良E、储存时间超过三个月F、有部分结块...
Thursday, October 13, 2022
某房屋内墙抹灰的石灰砂浆,使用后出现裂纹,试分析其原因。...
Tuesday, March 19, 2024
用沸煮法检验水泥体积安定性,只能检查出()的影响。A、游离CaOB、游离MgOC、石膏...
Saturday, May 18, 2024
硅酸盐水泥的侵蚀有哪些类型?内因是什么?防止腐蚀的措施有哪些?...
Wednesday, May 8, 2024
Friday, January 12, 2024
Tuesday, March 19, 2024
硅酸盐水泥熟料中,()矿物含量最多。A、C4AFB、C2SC、C3AD、C3S...
Tuesday, March 26, 2024
Tuesday, March 26, 2024
材料在水中吸收水分的性质称为()。A、吸水性B、吸湿性C、耐水性D、渗透性...
Friday, May 17, 2024
Tuesday, March 26, 2024
Tuesday, October 10, 2023
Wednesday, May 8, 2024
浆体在凝结硬化过程中,其体积发生微小膨胀的是()作用。A、石灰B、石膏C、普通水泥D、黏土...
Tuesday, March 26, 2024
Saturday, April 1, 2023
Wednesday, May 8, 2024
Sunday, September 11, 2022
用于石砌体的砂浆强度主要决定于()。A、水泥用量B、砂子用量C、水灰比D、水泥强度等级...
Monday, October 31, 2022