| Original document(7 pages) Authorized document(5 pages) 中文版 |
The present invention utilizes underground water table condition and natural infiltration function to subdrain the rainwater in underground structure into the depths of stratum. The method is that a hole is bored from the bottom of the underground structure to the underground sand layer and is filled with pebbles so as to drain the rainwater into the water-bearing stratum. A nylon net is placed onto the hole to filter the clay. The present invention is suitable for subdrainage of various underground structure, e.g. underground pipeline, basement, etc. |
Application Number
申请号 |
88106683 |
Application Date
申请日 |
1988.09.21 |
| Title 名称 |
Infiltration-draining method for underground structure |
Publication Number
公开号 |
1044839 |
Publication Date
公开日 |
1990.08.22 |
| Approval Pub. Date |
|
Granted Pub. Date |
1992.08.12 |
| International Classification 分类号 |
E02D3/10,E02D19/00 |
Applicant(s) Name
申请人 |
Chen Zhaotong |
| Address 地址 |
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| Inventor(s) Name 发明人 |
Chen Tonghui, Chen Zhaotong |
| Attorney & Agent 代理人 |
WANG LIYAN LING AILI |
| More information 更 多 信 息 |
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