The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 07, 2018
Filed:
Apr. 05, 2017
Applicant:
Powechina Huadong Engineering Coporation Limited, Zhejiang, CN;
Inventors:
Wenhua Chen, Hangzhou, CN;
Haifeng Qi, Hangzhou, CN;
Jing Hou, Hangzhou, CN;
Zhenqiang Jiang, Hangzhou, CN;
Caiyun Huan, Hangzhou, CN;
Bo Jin, Hangzhou, CN;
Assignee:
Other;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
E02D 7/24 (2006.01); E02D 5/32 (2006.01); E02D 7/02 (2006.01);
U.S. Cl.
CPC ...
E02D 7/24 (2013.01); E02D 5/32 (2013.01); E02D 7/02 (2013.01);
Abstract
The present invention provides a method for tackling the repelling of hammering during pipe pile driving. The technical scheme of the present invention includes: when repelling of hammering occurs in the process of piling through a sand layer, drill holes downwardly around and/or inside the pipe pile, and jet high-pressure water to the sand layer below to cut and disturb the sand layer.