A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Water-rich sand pebble stratum shield muck improvement additive and preparation method thereof
The invention provides a water-rich sand pebble stratum shield muck improvement additive and a preparation method thereof. The muck improvement additive is the water-rich sand pebble stratum shield muck improvement additive which comprises or consists of the following components by mass: 0.1-1 wt% of a tackifier A, 0.025-1 wt% of a tackifier B, 0.025-0.5 wt% of a surfactant, 1-10 wt% of a pumpingagent, 0.01-0.06 wt% of a pH regulator, 5-15 wt% of a mineral modifier and water. By adopting the muck improvement additive disclosed by the invention to improve the shield muck in a water-rich sand pebble stratum, the occurrence of gushing during soil pressure balance shield construction can be well avoided and alleviated, the safe and smooth implementation of construction is guaranteed, and a cut soil body is easy to convey.
本发明提供一种富水砂卵地层盾构渣土改良外加剂及其制备方法，所述渣土改良外加剂一种富水砂卵地层盾构渣土改良外加剂，其包含或由以下质量含量的成分组成：增粘剂A 0.1～1wt％，增粘剂B 0.025～1wt％，表面活性剂0.025～0.5wt％，泵送剂1～10wt％、pH调节剂0.01～0.06wt％、矿物类改良剂5～15wt％和水。采用本发明所述的渣土改良外加剂对富水砂卵地层盾构渣土进行改良后，能较好的避免和减轻土压平衡盾构施工时喷涌的发生，保障施工的安全顺利实施，而且切削下的土体易于输送。
Water-rich sand pebble stratum shield muck improvement additive and preparation method thereof
The invention provides a water-rich sand pebble stratum shield muck improvement additive and a preparation method thereof. The muck improvement additive is the water-rich sand pebble stratum shield muck improvement additive which comprises or consists of the following components by mass: 0.1-1 wt% of a tackifier A, 0.025-1 wt% of a tackifier B, 0.025-0.5 wt% of a surfactant, 1-10 wt% of a pumpingagent, 0.01-0.06 wt% of a pH regulator, 5-15 wt% of a mineral modifier and water. By adopting the muck improvement additive disclosed by the invention to improve the shield muck in a water-rich sand pebble stratum, the occurrence of gushing during soil pressure balance shield construction can be well avoided and alleviated, the safe and smooth implementation of construction is guaranteed, and a cut soil body is easy to convey.
本发明提供一种富水砂卵地层盾构渣土改良外加剂及其制备方法，所述渣土改良外加剂一种富水砂卵地层盾构渣土改良外加剂，其包含或由以下质量含量的成分组成：增粘剂A 0.1～1wt％，增粘剂B 0.025～1wt％，表面活性剂0.025～0.5wt％，泵送剂1～10wt％、pH调节剂0.01～0.06wt％、矿物类改良剂5～15wt％和水。采用本发明所述的渣土改良外加剂对富水砂卵地层盾构渣土进行改良后，能较好的避免和减轻土压平衡盾构施工时喷涌的发生，保障施工的安全顺利实施，而且切削下的土体易于输送。
Water-rich sand pebble stratum shield muck improvement additive and preparation method thereof
一种富水砂卵地层盾构渣土改良外加剂及其制备方法
LI SHUCHEN (author) / DUAN ZHUANG (author) / YUAN CHAO (author) / WANG XIUWEI (author) / ZHI BIN (author) / ZHOU HUIYING (author) / WAN ZE'EN (author) / WANG JIUGONG (author) / LIU XIANGKUN (author) / WANG MANLING (author)
2020-09-15
Patent
Electronic Resource
Chinese
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