Tunnel formwork system

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Building Tunnel Formwork:

A compositional steel formwork system mainly used in the building which has regular structure

without beams, the excellent formwork system can make the integral pouring for the wall & slab

easily achieved.


Characteristics:

◆ No assembling, easy operation with formed formwork.

◆ High stiffness, make perfect shape for concrete.

◆ Repeatedly turnover is available.

◆ Widely applied range, such as building, bridge, tunnel, etc.




Q:The arch and the arch of the tunnel
This part of the tunnel lining is generally the first pouring, pouring formwork trolley can be placed on the inverted arch concrete and support, to the construction of the tunnel arch wall concrete.
Q:What is the role of the tunnel formwork trolley? What is the use of template trolley?
The car is often used in the construction of hydraulic tunnel, the tunnel is not allowed to have concrete construction longitudinal joints, in the hydraulic tunnel span is large
Q:How to fill in the tunnel template
The template is firm and smooth, there is no error, such as leakage
Q:What is the vault vault seal and dead seal please give a detailed drawing of the drawing bar do not know how to do?
The arch support is an adjustable template or a small template
Q:What are the driving jobs in the tunnel
Outside control traverse 2) elevation control survey 3) in construction traverse
Q:There are no recycling tunnel templates
If it is a tunnel two lining car template, and the use of the tunnel after the car can continue to use the value of such a tunnel lining car basically has a market of two, but also to be recycled. The specific recovery and continue to use, mainly to see the two lining of the tunnel and the old and new without modification.
Q:The tunnel has the super big pipe shed and the lead small conduit, is carries on the blasting excavation first or carries on the advance support first, has the anchor rod in the tunnel, this between the construction craft order is any
Measuring and setting out the drill hole charge blasting, ventilation, smoke exhaust, water spraying and dust removing, the top of the vertical arch, the anchor rod and the reinforcing steel net, the spraying concrete operation enters the next cycle, and the first branch is stabilized and then the two lining is applied
Q:Tunnel steel arch behind the steel mesh after a layer of fine iron wire mesh what effect is there?
4, the production and installation of the grid steel frame components of the steel truss structure for the production of the tunnel excavation of the initial support of the steel frame. The steel grid with steel and steel by welding is composed of steel frame, steel grille by assembling (bolting, welding) after the formation of the steel arch structure after initial support structure of sprayed concrete, which is applied in soft soil tunnel structure is the most effective measure.
Q:I would like to know the safety awareness of the tunnel lining formwork trolley Prawns to help answer oh
Two during the 1 excavation of earthwork calculating boundary line is important??? 2 measuring points as far as the standard
Q:How the arch of the tunnel concrete pouring up, how to support before pouring, using I-beam is directly support the earth?
The excavation of the tunnel face, slag, to the primary support system, first hit the bolt, then use steel or steel made of steel, installation support in tunnel contour, and then sprayed concrete (poor surrounding rock hanging steel mesh, then sprayed fiber concrete).

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