Common types of tunnel lining formwork

【Summary description】The common types of lining formwork are: integral mobile formwork trolley, traversing (separate moving) formwork trolley, assembled arch formwork.

The common types of lining formwork are: integral mobile formwork trolley, traversing (separate moving) formwork trolley, assembled arch formwork.

1. Overall mobile formwork trolley

The integral mobile formwork trolley is mainly applied to the tunnel lining construction of full section excavation or large section excavation. However, its size is fixed and its adjustable range is small, which affects its applicability.

2. Through type (separate moving) formwork trolley

Not only improve the utilization rate of the running mechanism, but also can be implemented at the same time.

3. Assembly type arch template

The assembled arch formwork is suitable for both forward and reverse working, but the assembling and disassembling are time-consuming and costly.

Key points of making tunnel lining formwork trolley

衬砌台车如何出模

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Manufacturing requirements for formwork trolley

The outer contour of formwork trolley shall ensure tunnel clearance after concrete pouring, and the clearance of door frame structure shall ensure safe passage of vehicles and personnel inside the tunnel.

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Key points of making tunnel lining formwork trolley

The second lining construction (including the widening section) should adopt the whole hydraulic automatic walking lining trolley, the lining trolley should have accurate structure size, all kinds of telescopic components, hydraulic system, electrical control system running well, reasonable setting of supporting mechanisms; It should meet the requirements of automatic walking and have a locking device to ensure accurate positioning.