Steel 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.

Steel Tunnel Formwork System

Q: I would like to ask the tunnel hydraulic trolley steel template design is the use of what software: Tunnel lining trolley design software is CAD, the use of the software for the design of the structure

Q: Who can give me detailed tunnel construction process: Tunnel construction process, the first branch is a temporary payment, two lining is a permanent support.1, the hole before the edge, the construction of the slope (including drainage, electricity, etc.);2, the construction of large pipe shed3, measurement positioning line;4, drilling, blasting;5, slag, playing anchor, steel, injection (including the initial spray and spray)6, ahead of the anchor (after the pipe section)7, measuring the line;

Q: When the two lining of the tunnel is used as the lining concrete of the two, how to lay the trolley? Please kindly explain steps.: The first measurement group with total station will be five points (template center, 2 large side mode along the point, 2 small side mode along the projection point) in lofting invert, with nails into the inverted arch concrete as a symbol, and note the nail surface elevation. The trolley positioning, the first to the two lining trolley running mileage, and positioning, positioning process will have been completed two off the top two tight lining lining, free end positioning first center point positioning control of elevation and with a plumb line (top surface elevation is equal to the length of the plumb line + if the mileage of two the center point of elevation can be lining)

Q: What are the reasons for the two lining concrete lining of the tunnel?: (3) the concrete pump tube, vibration rod and other mechanical repeated impact, workers trample or vibrator touch bar, caused by displacement and deformation of steel exposed.

Q: I would like to know the safety awareness of the tunnel lining formwork trolley Prawns to help answer oh: No special requirements, not special equipmentFirst of all, it must be the track, the sleeper to the sleeper rail

Q: The arch and the arch of the tunnel: Tunnel invert refers to the bottom of the tunnel (anti arch, so called inverted arch)

Q: What is the simple calculation method of the tunnel excavation unit price: Fully integrated unit price = labor + material equipment + + + + + + + management fees

Q: In the tunnel construction, the water stop belt and the water stop strip are respectively used in what place, the construction joint and the subsidence seam many meters set a, above all has any function: Fixed strip: the use of additional reinforcement fixation; special fixture fixed; the wire and fixed template (Figure 2), such as perforation, can only choose the installation area on the strip edge, not to damage other parts

Q: I would like to ask the high-speed rail tunnel invert small side wall and arch with the small side of the wall of the hanging formwork of what a good method?: The pouring of inverted arch and the pouring of the short side wall, do not step in place, install the side die on the invert

Q: How many meters can be poured in the first floor of the 2 level of the surrounding rock of the railway tunnel?: And these kinds of excavation methods need to determine the number of excavated meters according to the grade of surrounding rock. Tunnel invert and floor is completed after the initial support (that is, shotcrete, a layer of concrete, in the excavation of rock on some hard rock without vertical spray arch thin, weak surrounding rock shall be sprayed on the vertical arch thickness in this special project map will show) for pouring 2 reinforced concrete lining when left in general is 6~12 meters

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