Grouting method for connecting joints of pre-embedded grouting pipes and tunnel secondary lining
A secondary lining and grouting pipe technology, which is applied in the direction of tunnel lining, tunnel, shaft lining, etc., can solve the problems of increased installation difficulty, loss or breakage, time-consuming and labor-consuming, etc., to shorten construction time, simplify installation, reduce The effect of construction costs
Active Publication Date: 2022-07-19
CHINA 19TH METALLURGICAL CORP
View PDF11 Cites 0 Cited by
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
The protection box for the interface of the grouting pipe avoids the problem that the pouring structure is exposed to the outside world and is easy to be blocked, lost or broken, but it does not bring convenience to the installation of the pre-embedded grouting pipe. Instead, the protective box needs to be installed at the same time as the grouting pipe. Increased installation difficulty, more time-consuming and labor-intensive
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 moreImage
Smart Image Click on the blue labels to locate them in the text.
Smart ImageViewing Examples
Examples
Experimental program
Comparison scheme
Effect test
Embodiment Construction
[0027] The present invention will be further described below in conjunction with the accompanying drawings.
[0028] like figure 1 As shown in the figure, the joint of the present invention for connecting the pre-embedded grouting pipe includes a pipe body 1, the pipe body 1 forms a grouting channel, and the pipe body 1 is provided at the outlet end of the grouting channel for connecting with the pre-embedded grouting pipe. A connector 2, namely figure 1 The upper part is the first joint 2, which is used to connect with the pre-embedded grouting pipe. The pipe body 1 is provided with a second joint 3 at the inlet end of the slurry channel, namely figure 1 The lower part is the second joint for connecting with the grouting pipe. The pipe body 1 is a round pipe. In order to facilitate connection, a specific structure of the first joint 2 and the second joint 3 is given below. The pipe body 1 has a double-layer structure on the outlet side, and the double-layer structure is ...
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
Login to View More Abstract
The invention discloses a joint used for connecting a pre-embedded grouting pipe and a tunnel secondary lining grouting method, which relates to the field of building construction and solves the problem that the existing grouting method requires welding of the pre-embedded grouting pipe, which is complicated in construction and affects the tunnel environment. and unsafe issues. The technical scheme adopted in the present invention is as follows: a joint for connecting a pre-embedded grouting pipe includes a pipe body, the pipe body forms a grouting channel, and the pipe body is provided at the outlet end of the grouting channel with a third joint for connecting with the pre-embedded grouting pipe. A joint, the pipe body is provided with a second joint at the inlet end of the slurry channel; the outer side of the pipe body is provided with an annular upper ring wing and a lower ring wing, the pipe body, the upper ring wing and the lower ring wing are all elastic materials, and the upper and lower ring wings are made of elastic materials. A clamping groove is formed between the ring wing and the lower ring wing. The tunnel secondary lining grouting method uses the above joints to install the tunnel vault pre-embedded grouting pipe, which plays a role of fixing and protecting the pre-buried grouting pipe; the joint is used as the connecting joint between the grouting pipe and the pre-buried grouting pipe for arching Top grouting. The invention is suitable for tunnel secondary lining construction.
Description
technical field [0001] The invention relates to the field of building construction, in particular to a joint used for connecting a pre-buried grouting pipe in the secondary lining construction of a tunnel, and a method for grouting through the joint. Background technique [0002] The void of the secondary lining vault of the tunnel is a problem that seriously affects the quality of the tunnel, and is also a widespread problem in tunnel construction. Aiming at this problem, it is mainly solved by filling the mortar between the secondary lining and the initial support, that is, by grouting the pre-embedded grouting pipe. Therefore, the installation of pre-embedded grouting pipes has become one of the indispensable links in the secondary lining construction process. [0003] The traditional pre-embedded grouting pipe is made of steel pipes. When installing the pre-embedded grouting pipe, the pre-embedded grouting pipe is welded to the steel formwork of the secondary lining tro...
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
Login to View More Patent Type & Authority Patents(China)
IPC IPC(8): E21D11/10
CPCE21D11/10E21D11/105
Inventor 徐永杰周泽林邬文鹏
Owner CHINA 19TH METALLURGICAL CORP