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Title:
SUPER-WATERPROOF CONCRETE PIPE PILE AND MANUFACTURING PROCESS THEREFOR
Document Type and Number:
WIPO Patent Application WO/2021/062884
Kind Code:
A1
Abstract:
A super-waterproof concrete pipe pile and a manufacturing process therefor, the pipe pile comprising: a concrete pile body (1) and several hourglass-shaped small holes (2) provided on the concrete pile body (1); the components of the concrete of the concrete pile body (1) are as follows: cement, silica fume, fly ash, sand, gravel, limestone powder, sepiolite fiber, titanium dioxide, a water reducing agent, a waterproofing agent and cetyltrimethoxysilane. Several hourglass-shaped holes are drilled in an existing pipe pile, which facilitates water entering the pipe pile from the hourglass-shaped small holes when there is water flow in the ground, which has the effect of drainage and prevents the accumulation of water flow from increasing the pressure on the pipe pile. Moreover, the small holes are hourglass-shaped with no gap in the middle, that is, there is a supporting force inside of the small holes, which may not only reduce the damage to the pipe pile at openings when water flow passes through the small holes, but also reduces the possibility of sand and mud entering the pipe pile. Meanwhile, a water reducing agent and a waterproofing agent are added to the concrete, which may effectively increase the prestress and waterproof capabilities of the concrete.

Inventors:
YAN CHENGHUA (CN)
YAN JINGYI (CN)
YAN JINGKAI (CN)
HUO YONGYE (CN)
WANG XIAOJUN (CN)
TAN XUELI (CN)
DU JIANZHOU (CN)
YANG YULE (CN)
Application Number:
PCT/CN2019/110936
Publication Date:
April 08, 2021
Filing Date:
October 14, 2019
Export Citation:
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Assignee:
JIANGSU DONGPU PIPE PILE CO LTD (CN)
International Classes:
E02D3/10; C04B28/00; E02D5/30
Foreign References:
CN105859202A2016-08-17
CN208586605U2019-03-08
CN109535016A2019-03-29
CN108147723A2018-06-12
CN203530953U2014-04-09
CN209144802U2019-07-23
JP2004051461A2004-02-19
US5909984A1999-06-08
Attorney, Agent or Firm:
NANJING TAIPU PATENT AGENCY (GENERAL PARTNERSHIP) (CN)
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