default author photo

Qingnan Lan

Southwest Jiaotong University

No. 111, Sec. North 1, Er-Huan Rd.

Chengdu

Chengdu, 610031

China

  • Southwest Jiaotong University

SCHOLARLY PAPERS

4

DOWNLOADS

118

TOTAL CITATIONS

0

Scholarly Papers (4)

Actions:
Email selected abstracts
1.

Research on Disaster-Causing Characteristics of Water and Mud Inrush and Combined Prevention-Control Measures in Water-Rich Sandstone Slate Tunnel

Number of pages: 32 Posted: 02 Jul 2024
Qingnan Lan, Zhiqiang Zhang and Peng Xu
Southwest Jiaotong University, Southwest Jiaotong University and Xihua University
Downloads 44 (1,133,231)

Abstract:

Loading...

Railway tunnel, Water-rich sandstone slate strata, Water and mud inrush, Disaster-causing modes, Combined prevention-control measures

2.

Permeability Characteristics of Granite-Cement Mortar Mixtures Based on 3dec Bbm Simulation

Number of pages: 29 Posted: 22 Aug 2025
Yelei Chen, Zhiqiang Zhang, Zhan Zhang, Rongjie Li and Qingnan Lan
Southwest Jiaotong University, Southwest Jiaotong University, Southwest Jiaotong University, Southwest Jiaotong University and Southwest Jiaotong University
Downloads 29 (1,345,526)

Abstract:

Loading...

3DEC, Bonded Block Model (BBM), Permeability characteristics, Granite-cement mortar mixtures, Joint Fluid Flow, Fluid-solid coupling

3.

Failure Characteristics of Tunnel Workface in Water-Rich Silty Fine Sand Strata and the Effectiveness of Pre-Drainage and Grouting Measures

Number of pages: 28 Posted: 09 Jun 2024
Qingnan Lan, Zhiqiang Zhang and Yelei Chen
Southwest Jiaotong University, Southwest Jiaotong University and Southwest Jiaotong University
Downloads 23 (1,411,822)

Abstract:

Loading...

Railway Tunnel, Silty fine sand strata, Pre-Drainage Measures, Pre-Grouting Measures, Flow-Solid Coupling

4.

Assessment of Large Section Tunnel Blasting Construction on Adjacent Tunnels: Control Standards and Influence Zoning

Number of pages: 25 Posted: 29 May 2024
Qingnan Lan, Zhiqiang Zhang and Yelei Chen
Southwest Jiaotong University, Southwest Jiaotong University and Southwest Jiaotong University
Downloads 22 (1,436,435)

Abstract:

Loading...

Super large cross-section tunnel, Adjacent cross tunnel, Blasting vibration law, Vibration speed control standard, Security impact zoning