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中粗砂地层大直径长距离顶管泥浆方案研究
Publication year - 2018
Publication title -
jian zhu fa zhan
Language(s) - Uncategorized
Resource type - Journals
ISSN - 2425-0082
DOI - 10.18686/bd.v1i11.1089
Subject(s) - psychology
泥浆作为泥水平衡顶管施工中的重要组成部分,在顶管工程中即负责平衡地层压力,又负责减阻润滑,降低单位摩阻力。本文对中粗砂地层大直径长距离顶管泥浆方案进行了研究, 提出了该类地层泥浆的性能指标, 研究了膨润土、Na2CO3、PAM 对泥浆性能的影响,通过正交试验给出了中粗砂地层直径长距离顶管泥浆最优方案。

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