Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

Construction method for cross position of vehicle-traveling transverse cave and tunnel main cave based on temporary support system

A technology of temporary support and construction method, applied in tunnels, tunnel linings, earthwork drilling, etc., can solve the problems of poor self-stabilization ability of fragmented surrounding rock, prone to landslides, etc., achieve good support effect and achieve stable support , the effect of reducing the risk of vault collapse

Active Publication Date: 2018-03-06
中铁二十局集团第二工程有限公司
View PDF5 Cites 6 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The self-stabilization ability of the fragmented surrounding rock is extremely poor, and landslides are prone to occur during the construction process

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Construction method for cross position of vehicle-traveling transverse cave and tunnel main cave based on temporary support system
  • Construction method for cross position of vehicle-traveling transverse cave and tunnel main cave based on temporary support system
  • Construction method for cross position of vehicle-traveling transverse cave and tunnel main cave based on temporary support system

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0069] Such as figure 1 , figure 2 and image 3 As shown, the construction method based on the temporary support system at the intersection of the transverse tunnel for vehicles and the main tunnel of the tunnel, the design position of the transverse tunnel for vehicles 1 is located on the side of the design position of the main tunnel for vehicles, and the design axis of the transverse tunnel for vehicles 1 is in line with The design axis of the main tunnel of the tunnel intersects, and the main tunnel section of the tunnel at the intersection of the front end opening of the transverse tunnel 1 and the main tunnel of the tunnel is the intersection section 2 of the main tunnel of the tunnel; the cross section of the transverse tunnel 1 of the vehicle is designed to be a rectangular section; The specific construction includes the following steps:

[0070] Step 1. Construction of the upper part of the transverse tunnel for vehicles:

[0071] Step 101, Excavating the upper pa...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention discloses a construction method for the cross position of a vehicle-traveling transverse cave and a tunnel main cave based on a temporary support system. The designed position of the vehicle-traveling transverse cave is located on one side of the designed position of the tunnel main cave, the designed axis of the vehicle-traveling transverse cave and the designed axis of the tunnel main cave cross, and the designed cross section of the vehicle-traveling transverse cave is rectangular. In specific construction, the construction method comprises the following steps that firstly, anupper cave body of the vehicle-traveling transverse cave is constructed; secondly, an advanced large pipe shed is constructed; thirdly, an upper cave body at the tunnel main cave crossing section isconstructed; fourthly, arch frames of the upper cave body at the tunnel main cave crossing section is constructed; fifthly, vertical columns of main cave gantries are detached; sixthly, a lower cave body of the vehicle-traveling transverse cave is constructed; seventhly, a lower cave body at the tunnel main cave crossing section is constructed; eighthly, deformation finishing of the tunnel main cave crossing section is conducted; ninthly, a secondary lining of the tunnel main cave crossing section is constructed; and tenthly a secondary lining of the vehicle-traveling transverse cave is constructed. The construction requirements of the cross position of the vehicle-traveling transverse cave and the tunnel main cave in broken surrounding rock can be met.

Description

technical field [0001] The invention belongs to the technical field of tunnel construction, and in particular relates to a construction method at the intersection of a vehicle transverse tunnel and a tunnel main tunnel based on a temporary support system. Background technique [0002] In tunnel construction, it is often encountered in the case of construction in the fractured surrounding rock, the lithology of the surrounding rock is cataclast rock, which is one of dynamic metamorphic rocks. The original rock was broken by strong stress. It has a cracked structure or broken plaque structure. It can be formed by various rocks, but it is mainly developed in rigid rocks. Such as tile rock, sandstone, etc. Mostly block structure or band structure. The self-stabilization ability of the fragmented surrounding rock is extremely poor, and landslides are prone to occur during the construction process. Due to the weak geological conditions, collapse accidents are extremely prone ...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
IPC IPC(8): E21D9/14E21D9/00E21D11/00E21D11/18E21D20/00
CPCE21D9/001E21D9/14E21D11/00E21D11/18E21D20/00
Inventor 张建升刘晓书何武王群英时飞
Owner 中铁二十局集团第二工程有限公司
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com