Screw-in type round steel pipe concrete pile lengthening structure

A screw-in type round steel pipe concrete pile lengthening structure is divided into three schemes, the first scheme and the second scheme comprise a screw-in loading device, a pile head, a lengthening pile body, a connecting body and an original pile body, and the three schemes are connected in a s...

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Bibliographic Details
Main Authors WANG QINGLI, LI SHANGLIN, GUO YIHUAN
Format Patent
LanguageChinese
English
Published 12.01.2021
Subjects
EMBANKMENTS
EXCAVATIONS
FIXED CONSTRUCTIONS
FOUNDATIONS
HYDRAULIC ENGINEERING
SOIL SHIFTING
UNDERGROUND OR UNDERWATER STRUCTURES
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Summary:A screw-in type round steel pipe concrete pile lengthening structure is divided into three schemes, the first scheme and the second scheme comprise a screw-in loading device, a pile head, a lengthening pile body, a connecting body and an original pile body, and the three schemes are connected in a screw joint and welding mode; in the first scheme, only concrete is prefabricated in an original pilebody; hollow cylindrical concrete is prefabricated in the lengthened pile body, the connecting body and the original pile body in the second scheme; according to the third scheme, the lengthening inner pipe, the connecting inner pipe and the original inner pipe are additionally arranged, the lengthening inner pipe, the connecting inner pipe and the original inner pipe are coaxially arranged in sequence and connected with the lengthening pile body, the connecting body and the original pile body in a screw joint and welding mode, and concrete is only prefabricated in a gap between the originalinner pipe and the origina
Bibliography:Application Number: CN202022187471U