Construction method of tunnels and tunnel lining trolley adopting same

Abstract

The invention provides a construction method of tunnels. The construction method specifically comprises the following steps that (1), a lining trolley is assembled; (2), the lining trolley travels into a master cave to conduct lining construction; (3), after master cave construction is completed, first conversion of the lining trolley is conducted, and the lining trolley travels into a next master cave through a branch cave; (4), second conversion of the lining trolley is conducted, and the lining trolley after second conversion conducts lining construction; and (5), the step (3) and the step (4) are repeated to construct the multiple master caves, third conversion of the lining trolley is conducted, and lining construction of the tunnels is completed. By adoption of the construction method, the technical step is concise, the construction requirements of the multiple tunnels which are arranged side by side are met by one trolley, and labor cost and device cost are reduced. The invention further discloses the tunnel lining trolley. The tunnel lining trolley has the effects that the overall structure is concise, and assembling is convenient; and the trolley has a large lifting quantity, and the double requirements of master cave lining and smooth passing of short branch caves are met.

Description

technical field [0001] The invention relates to the technical field of tunnel construction, in particular to a tunnel construction method and a tunnel lining trolley used therefor. Background technique [0002] Tunnels are more and more widely used in the prior art. In tunnel construction, multiple tunnels are often constructed in parallel, and construction branch tunnels are set between parallel tunnels. The construction branch tunnels intersect with the main tunnel at a non-perpendicular angle to facilitate the transfer of materials in the tunnel, and the cross-section of the construction branch tunnels Generally, it is much shorter than the cross section of the main hole. [0003] The variety of tunnel sections determines the specific characteristics of the trolleys. When the tunnel length is not long, one trolley can line multiple tunnels, but because the traditional secondary lining trolley in the main tunnel cannot pass through the construction branch tunnel, it is o...

AI Technical Summary

Problems solved by technology

When the tunnel length is not long, one trolley can line multiple tunnels, but because the traditional secondary lining trolley in the main tunnel cannot pass through the construction branch tunnel, it is often necessary to configure one or more trolleys for each tunnel Construction is carried out separately, or the trolley is dismantled and then transported to another tunnel by means of transportation and reassembled for construction

[0004] Therefore, in the working condition of parallel construction of multiple tunnels, the application of the lining trolley in the prior art has the following defects: (1) the distance between the portal frame and the formwork in the trolley is relatively short, and the demoulding shrinkage of the trolley It is very limited, and can only be demoulded and shrunk to less than 20 cm from the tunnel lining surface, which cannot meet the requirements of passing through the construction branch hole; (2) The trolley cannot pass through the construction branch hole, and each tunnel needs to be equipped with one or more units vehicles, the cost of equipment is greatly increased, and the assembly of multiple trolleys and the dismantling after construction are required to consume a lot of manpower and material resources, and more investment in construction and maintenance costs is required; (3) the existing trolleys are only used for Construction of straight tunnels, not suitable for tunnel construction with a certain amplitude

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