施工技术 2017年3月下 102 CONSTRUCTION TECHNOLOGY 第46卷第6期 D0I:10.7672/sgjs2017060102 顶管施工用新型膨润土与聚合物润滑减 阻浆液的性能研究* 贾丽洲1，王伟山2，郑柏存1 (1.华东理工大学，上海200237；2.上海建筑外加剂工程技术研究中心，上海200232) [摘要]顶管施工中润滑减阻可有效降低顶机负荷，提高推进效率.选取6种聚合物作为泥浆性能调节剂，系统研 究聚合物种类与掺量对浆液性能的影响.结果表明，羧甲基纤维素(CMC)、黄原胶和2-丙烯酰胺-2-甲基丙磺酸- N N-二甲基丙烯酰胺共聚物(AMPS-NNDMA)可有效提高泥浆性能.其中CMC能有效提高泥浆黏度，黄原胶能有 效提高泥浆抗滤失性能，而AMPS-NNDMA的综合性能优良. [关键词]地下工程；顶管；注浆；润滑减阻；膨润土 [中图分类号]TU502 [文献标识码]A [文章编号]1002-8498(2017)06-0102-04 Research on Novel Polymer and Bentonite Slurry's Properties Used in Pipe Jacking for Lubricating and Drag-reducing Jia Lizhou' Wang Weishan2 Zheng Baicun' (1.East China University of Science and Technology Shanghai 200237 China: 2.Shanghai Engineering Research Center for Construction Admixtures Shanghai 200232 China) Abstract:In the pipe jacking construction the lubricating and drag-reducing injecting slurry can reduce the load of the jacking machine and enhance the propulsion efficiency.Six kinds of polymer were selected as slurry performance regulator the influence of polymer type and content on slurry properties was systematic studied in this paper.As a result carboxyl methyl cellulose CMC) xanthan gum and 2- Acrylamido-2-Methyl Propane Sulfonic Acid-N N-Dimethyl Acrylamide AMPS-NNDMA)can improve the slurry performance effectively.Particularly system's viscosity was enhanced by CMC’s addition while xanthan gum's addition improved the fluid loss-resistance property of the system.And the system with AMPS-NNDMA's addition had an excellent over...
顶管施工用新型膨润土与聚合物润滑减阻浆液的性能研究.pdf
