|
||||||||
|
|
| 2011, Vol. 48(2): 87-93 DOI: | ||
| Construction Techniques of Shallow and Uneven-pressured Xinzhai Tunnel Entrance | ||
| (Construction Headquarters of Lanzhou-Chongqing Railway, China Railway No.13 Construction Bureau Group Co., Ltd., Dangchang 748500) |
||
| Received null Revised null | ||
| Supporting info | ||
|
