﻿ 通过工程实例浅谈隧道病害检测、加固设计及应用 Talking about the Tunnel Disease Detection, Reinforcement Design and Application through Engineering Examples

Open Journal of Transportation Technologies
Vol.07 No.04(2018), Article ID:25412,7 pages
10.12677/OJTT.2018.74026

Talking about the Tunnel Disease Detection, Reinforcement Design and Application through Engineering Examples

Shitian Xia

Received: May 28th, 2018; accepted: Jun. 7th, 2018; published: Jun. 14th, 2018

ABSTRACT

This article takes the detection and repair and reinforcement of defects in a highway tunnel as the engineering background. It describes how to carry out testing, design of repair schemes and engineering applications for defects in highway tunnels.

Keywords:Tunnel Disease Detection, Disease Cause Analysis, Anchor +W Steel Reinforcement Scheme Verification, Reinforcement Construction

1. 引言

2. 工程概况

3. 隧道检测

1) 现场观测法

2) 地质雷达法

3) 载玻片监测

Figure 1. Tunnel crack development

Figure 2. Slide monitoring cracking

Table 1. Radar Test II lining thickness table

4) 钻芯法

4. 隧道病害原因分析

5. 加固方案验算分析

Figure 3. Schematic representation of the geometric model of the reinforced tunnel structure

Table 2. Construction step settings and load release factors

Figure 4. Finite element mesh diagram around the tunnel

Table 3. Structural element constants table

6. 隧道加固施工

1) 脱空与不密实

2) 表面裂缝修复

Figure 5. Results of axial force of anchor (unit: kN)

Figure 6. W-axis force results (unit: kN)

Figure 7. Construction effect of bolt + W steel strip support

3) W钢带 + 锚杆支付体系施工

7. 结语

Talking about the Tunnel Disease Detection, Reinforcement Design and Application through Engineering Examples[J]. 交通技术, 2018, 07(04): 207-213. https://doi.org/10.12677/OJTT.2018.74026

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