信息模型在建筑胶凝材料配比优化与用量统计中的应用  

Application of information model in the optimization of building cementitious material ratio and application statistics

作　　者：封波 安旭 吴杨洋 罗先勇 傅强 FENG Bo;AN Xu;WU Yangyang;LUO Xianyong;FU Qiang(China State Construction No.7 Engineering Bureau Co.,Ltd.,Chongqing 401120,China)

机构地区：[1]中国建筑第七工程局有限公司,重庆401120

出　　处：《粘接》2024年第11期99-101,109,共4页Adhesion

摘　　要：为提高建筑工程用材料性能,通过分析不同胶凝材料和骨料级配的最佳配合比,制备了一种超高强混凝土,并基于信息模型进行了工程量统计和三维施工布置。结果表明,当胶凝材料和骨料级配为水泥360 kg/m^(3)、矿粉30 kg/m^(3)、粉煤灰90 kg/m^(3)、硅灰120 kg/m^(3)、砂率为40%时,28 d养护龄期的抗压强度为107.9 MPa。32~40℃自然覆膜养护条件下,有利于混凝土抗压强度稳定;静停3 h后,在195℃、1.2 MPa蒸压条件下养护8 h,再进行标准养护14 d,制备得到混凝土具有较高干燥收缩性能、徐变性能。In order to improve the performance of materials used in construction projects,an ultra-high strength concrete was prepared by analyzing the optimal mix ratio of different cementitious materials and aggregate grada⁃tion.Based on the information model,engineering quantity statistics and three-dimensional construction layout were conducted.The results showed that when cement was 360 kg/m^(3),mineral powder was 30 kg/m^(3),fly ash was 90 kg/m^(3),silica fume was 120 kg/m^(3),and sand content was 40%,the prepared concrete had a compressive strength of 107.9 MPa during the 28 day curing period.Under the natural film covering curing conditions of 32~40℃,it was beneficial for the stability of concrete compressive strength.After standing still for 3 hours,the concrete was cured for 8 hours under 195℃and 1.2 MPa autoclave conditions,followed by 14 days of standard curing,the prepared concrete ex⁃hibited high dry shrinkage and creep properties.

关 键 词：混凝土 建筑工程 信息模型 胶凝材料 骨料级配 

分 类 号：TQ178[化学工程—硅酸盐工业] TU528[建筑科学—建筑技术科学]