Avoidance type anti-seepage curtain structure encountering filling soil karst cave in karst region

The invention discloses an avoidance type anti-seepage curtain structure in a karst region encountering a filling soil karst cave, which comprises an upper layer grouting cave, a middle layer grouting cave and a lower layer grouting cave which are arranged in an area outside the filling soil karst c...

Full description

Saved in:
Bibliographic Details
Main Authors CHEN XIAONIAN, YANG JUNYI, NIE ZHANGBO, DONG JIAJIA, WANG HUIQIN
Format Patent
LanguageChinese
English
Published 09.05.2023
Subjects
EMBANKMENTS
EXCAVATIONS
FIXED CONSTRUCTIONS
FOUNDATIONS
HYDRAULIC ENGINEERING
SOIL SHIFTING
UNDERGROUND OR UNDERWATER STRUCTURES
Online AccessGet full text

Cover

More Information
Summary:The invention discloses an avoidance type anti-seepage curtain structure in a karst region encountering a filling soil karst cave, which comprises an upper layer grouting cave, a middle layer grouting cave and a lower layer grouting cave which are arranged in an area outside the filling soil karst cave, and the upper layer grouting cave is drilled and grouted downwards to form a first vertical curtain; the middle-layer grouting hole is used for drilling and grouting upstream to form a first horizontal curtain and drilling and grouting downwards to form a second vertical curtain, the lower-layer grouting hole is used for drilling and grouting around to form a second horizontal curtain or an annular curtain and drilling and grouting downwards to form a third vertical curtain, the first horizontal curtain is in lap joint with the first vertical curtain, and the second horizontal curtain is in lap joint with the second vertical curtain. The second horizontal curtain or the annular curtain is in lap joint with the
Bibliography:Application Number: CN202310350645