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Title:
FOAM LIGHT SOIL RAILWAY SUBGRADE STRUCTURE AND CONSTRUCTION METHOD
Document Type and Number:
WIPO Patent Application WO/2019/007176
Kind Code:
A1
Abstract:
A foam light soil railway subgrade structure. In the subgrade structure, a frame is constructed by using autoclaved aerated concrete blocks (6), and foam light soil (3) is poured into the frame, wherein the frame is constructed by using the autoclaved aerated concrete blocks (6) with the density of 400-500 kg/m3, the foam light soil (3) with the wet density of 550-600 kg/m3 is poured to form an upper light soil (3) subgrade in the railway subgrade, and the foam light soil (3) with the wet density of 500-550 kg/m3 is poured to form a lower light soil (3) subgrade in the railway subgrade. Also provided is a construction method for the subgrade structure.

Inventors:
YE, Yangsheng (No. 2 Daliushu Road Haidian District Beijing, Beijing 1, 100081, CN)
HAN, Zili (No. 2 Daliushu Road Haidian District Beijing, Beijing 1, 100081, CN)
LI, Zhongguo (No. 2 Daliushu Road Haidian District Beijing, Beijing 1, 100081, CN)
CAI, Degou (No. 2 Daliushu Road Haidian District Beijing, Beijing 1, 100081, CN)
ZHANG, Qianli (No. 2 Daliushu Road Haidian District Beijing, Beijing 1, 100081, CN)
CHEN, Feng (No. 2 Daliushu Road Haidian District Beijing, Beijing 1, 100081, CN)
LI, Taifeng (No. 2 Daliushu Road Haidian District Beijing, Beijing 1, 100081, CN)
ZHANG, Dong (No. 2 Daliushu Road Haidian District Beijing, Beijing 1, 100081, CN)
GUO, Liuhui (No. 2 Daliushu Road Haidian District Beijing, Beijing 1, 100081, CN)
ZENG, Shuai (No. 2 Daliushu Road Haidian District Beijing, Beijing 1, 100081, CN)
Application Number:
CN2018/089670
Publication Date:
January 10, 2019
Filing Date:
June 01, 2018
Export Citation:
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Assignee:
CHINA ACADEMY OF RAILWAY SCIENCES RAILWAY ENGINEERING RESEARCH INSTITUTE (No. 2 Daliushu Road Haidian District Beijing, Beijing 1, 100081, CN)
CHINA ACADEMY OF RAILWAY SCIENCES CORPORATION LIMITED (No. 2 Daliushu Road Haidian District Beijing, Beijing 1, 100081, CN)
International Classes:
E01B2/00; E01C3/00
Attorney, Agent or Firm:
BEIJING ZQLH INTELLECTUAL PROPERTY OFFICE (1-320, No. 8 Hangfeng Road, Science City,Fengtai District, Beijing 0, Beijing 100070, 100070, CN)
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