Miniature pile and pre-stressed anchor rod combined foundation and construction method thereof

The invention discloses a micro pile and pre-stressed anchor combined foundation and a construction method thereof. The construction method comprises the steps that S1, a soil body is excavated to the elevation of a cushion layer at a design position, a pile hole of a micro pile is constructed, a re...

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Main Authors QIU HAOCI, CHEN WEIYU, LI YILAN, WANG LIN, LI YANGSEN, YIN YUAN, LIN SHAOYUAN, ZHENG WENCHENG, LIN KAI, GUO JINGFENG, HUANG YIJING, CHEN SHAN, CHEN YUKUN, TU BINGXIONG
Format Patent
LanguageChinese
English
Published 04.08.2023
Subjects
EMBANKMENTS
EXCAVATIONS
FIXED CONSTRUCTIONS
FOUNDATIONS
HYDRAULIC ENGINEERING
SOIL SHIFTING
UNDERGROUND OR UNDERWATER STRUCTURES
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Summary:The invention discloses a micro pile and pre-stressed anchor combined foundation and a construction method thereof. The construction method comprises the steps that S1, a soil body is excavated to the elevation of a cushion layer at a design position, a pile hole of a micro pile is constructed, a reinforcement cage is put down, and fine aggregate concrete is poured; s2, an anchor hole of the pre-stressed anchor rod is constructed, a steel pipe is placed in the middle, then a rib body with a sleeve is placed in the steel pipe, a grouting body is injected into the anchor hole to a hole opening, and then the grouting body is supplemented and injected into the steel pipe; s3, a cushion layer is constructed, lower-step foundation steel bars and upper-step foundation steel bars are bound, a combined anchor cushion plate is installed, and concrete is poured; and S4, after the concrete strength meets the requirement, the pre-stressed anchor rods are tensioned to the designed load and then locked, connecting ribs are
Bibliography:Application Number: CN202211432283