基于双掺技术混凝土配合比的预测模型及优化设计  

Prediction model and optimization design of concrete mix ratio based on double mixing technology

作　　者：李超 杨强斌 张海裕 LI Chao;YANG Qiang-bin;ZHANG Hai-yu(Science and Technology R&d Center, Gansu Third Construction Group Co, LTD, Lanzhou 730030, China;College of Chemistry and Environmental Engineering, Chongqing University of Arts and Sciences, Chongqing 402160;Technical Testing Center,Gansu Zhengshang Concrete Engineering Co, LTD, Lanzhou 730050, China)

机构地区：[1]甘肃第三建设集团有限公司科技研发中心,甘肃兰州730030 [2]重庆文理学院化学与环境工程学院,重庆402160 [3]甘肃正尚混凝土工程有限公司技术检测中心,甘肃兰州730050

出　　处：《兰州理工大学学报》2022年第1期25-29,共5页Journal of Lanzhou University of Technology

基　　金：甘肃省建设厅科技攻关项目(JK2019-26)。

摘　　要：随着城市化进程的加快,高层、超高层建筑不断涌现,混凝土材料不断得到创新发展.为了提高混凝土耐久性以及强度等级,并降低生产成本,减少环境污染,节约能耗,从混凝土双掺技术出发,通过实验研究,建立了参合物对混凝土强度影响的预测数学模型。研究结果表明:粉煤灰、矿物掺量对混凝土强度有重要影响,可根据所建立的模型预测掺杂物对混凝土强度的影响,控制掺杂物添加量,保证混凝土强度要求.在不影响混凝土使用性能前提下,应最大化使用掺杂物体替代水泥,从而有效降低水泥用量.With the speeding up of urbanization process,high-rise and super high-rise buildings continue to spring up,concrete materials are innovating and developing constantly.To improve durability and strength grade of concrete,reduce production cost and environmental pollution,and save energy consumption,a mathematical model for predicting the influence of admixtures on concrete strength was established based on the double mixing technology of concrete and experimental research.The results show that the content of fly ash and mineral has an important impact on the strength of concrete.The mathematical model can be used to predict the influence of admixtures on strength of concrete,control the content of admixtures and ensure the strength of concrete.Under the premise of not affecting the performance of concrete,the use of admixtures should be maximized to replace cement,so as to effectively reduce the amount of cement.

关 键 词：双掺技术 矿物掺合料 混凝土强度 设计优化 

分 类 号：TB30[一般工业技术—材料科学与工程] TU501[建筑科学—建筑技术科学]