Expansion pre-stressed anchor rod

The utility model discloses an expansion pre-stressed anchor rod which comprises a soil body, a glue pouring material is arranged in an inner cavity of the soil body, a pile casing is arranged in an inner cavity of the glue pouring material, an anchor rod body is arranged in an inner cavity of the p...

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Bibliographic Details
Main Authors LYU LIANGSHENG, LIU FANGNING, PENG JING, LIU JIAN, WANG GANG, ZHU BINGZHANG, JIANG WEI, SONG JIAN
Format Patent
LanguageChinese
English
Published 14.12.2021
Subjects
EMBANKMENTS
EXCAVATIONS
FIXED CONSTRUCTIONS
FOUNDATIONS
HYDRAULIC ENGINEERING
SOIL SHIFTING
UNDERGROUND OR UNDERWATER STRUCTURES
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Summary:The utility model discloses an expansion pre-stressed anchor rod which comprises a soil body, a glue pouring material is arranged in an inner cavity of the soil body, a pile casing is arranged in an inner cavity of the glue pouring material, an anchor rod body is arranged in an inner cavity of the pile casing, and a tensioning support used in cooperation with the anchor rod body is fixedly installed on the top of the soil body. The grouting material is injected between the soil body and the anchor rod body, the grouting material is formed by compounding the cement mortar and the expanding agent according to a certain proportion and has the advantages of being high in expansion effect and high in later strength, the anchor rod body and the surrounding soil body are extruded under the expansion effect of the expanding agent when the anchor rod body is maintained to the specified age after grouting is completed, and the soil body is prevented from being damaged. The anchor rod body is more stable through coopera
Bibliography:Application Number: CN202121723383U