Friday, September 16, 2022
Wednesday, September 21, 2022
问答题什么是钢筋冷拉?冷拉的作用和目的有哪些?影响冷拉质量的主要因素是什么?...
Wednesday, November 15, 2023
Thursday, September 22, 2022
浇筑水平结构混凝土时,不得在同一处连续布料,应在范围内水平移动布料,且宜垂直于模板布料。()...
Thursday, September 22, 2022
Saturday, September 17, 2022
Thursday, September 22, 2022
Friday, September 16, 2022
混凝土振捣的时候,为使振捣更到位,可以将振捣器直接放到钢筋和模板上。...
Friday, September 16, 2022
Thursday, September 22, 2022
混凝土工程量,以实体积计算,不扣除钢筋、铁件和螺栓所占体积。 (T )59、高铝水泥一般以3d抗压强度确定其标号。...
Thursday, September 22, 2022
Friday, September 16, 2022
单选题混凝土拌和生产中,应定期检验拌和物的均匀性,决定混凝土的()。A 用水量B 配合比C 最佳拌和时间D 含气量...
Friday, February 24, 2023
Thursday, September 22, 2022
Friday, February 24, 2023
Sunday, December 18, 2022
Thursday, September 22, 2022
单选题水泥的体积安定性是指水泥在凝结硬化过程中的性质()。A 产生高密实度B 体积变化均匀C 不变形D 体积收缩...
Sunday, May 19, 2024
角模板中的()用于混凝土构件的阴角;()用于混凝土构件的阳角...
Thursday, September 22, 2022
Thursday, September 22, 2022