基于复合式连续皮带机的盾构出渣质量计算研究  

Calculation of Slag Weight in Shield Construction Based on Compound Continuous Belt Conveyor

作　　者：周标 丁小彬 孙文坚 任续锋 ZHOU Biao;DING Xiaobin;SUN Wenjian;REN Xufeng(China Railway 16th Bureau Group Road and Bridge Engineering Co.,Ltd.,Beijing 101500,China;School of Civil Engineering and Transportation,South China University of Technology,Guangzhou,Guangdong 510641,China)

机构地区：[1]中铁十六局集团路桥工程有限公司,北京市101500 [2]华南理工大学土木与交通学院,广东广州510641

出　　处：《中外公路》2024年第4期203-209,共7页Journal of China & Foreign Highway

基　　金：国家自然科学基金资助项目(编号:41827807);广东省现代土木工程技术重点实验室项目(编号:2021B1212040003)。

摘　　要：为使盾构施工渣土管理精准化,该文利用盾构施工中连续皮带机的施工数据,对两种常见的盾构渣土质量计算方法(基于松散系数的盾构渣土质量结算法、考虑外加剂的盾构渣土质量结算法)进行评价与分析,并根据盾构每环出渣的变化规律,提出一种改进的盾构渣土质量估算方法。研究结果表明:基于松散系数的盾构渣土质量计算方法误差显著;采用考虑外添加剂的渣土质量计算方法时,计算值总小于实际出渣质量,两者差值趋近于某值,且与所研究的两种主要地层条件和渣土称量方式相关性不大。该文提出的改进的渣土计算方法提高了渣土质量估算准确性,与实际盾构出土质量吻合良好。Based on the construction data of continuous belt conveyors in shield construction,this paper evaluates two common calculation methods of slag weight(slag weight calculation based on loosening coefficient and slag weight calculation based on external additives)to accurately manage slag in shield construction.According to the law of slag discharged from each ring in shield construction,an improved slag weight estimation method in shield construction was proposed.The results show that there is a big error in the slag weight calculation based on the loosening coefficient.When slag weight calculation based on external additives is used,the calculated value is always smaller than the actual slag weight,and the difference between them tends to be a definite value,which is also not strongly related to the two main formation conditions and the weighing mode of slag.The improved slag calculation method improves the accuracy of slag weight estimation,which is in good agreement with the actual slag weight in shield construction.

关 键 词：盾构施工 连续皮带机监测 精准出渣量估算 计算方法创新 智慧渣土管理 

分 类 号：U455.43[建筑科学—桥梁与隧道工程]