High-speed of Installation and Removal Tunnel Formwork

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TUNNEL FORMWORK

The automatic hydraulic tunnel formwork is the equipment to make
the concrete lining for the tunnel in one time.The empty gantry allows the
transport vehicles to pass. The motor gearbox is adopted to drive
the whole equipment, the formwork is fully hydraulic, with hydraulic
cylinder to prop & strip, and lock mechanically

◆  Good concreting quality

◆  High-speed of installation and removal of the form

◆  Easy operation and safety

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Q:What is the simple calculation method of the tunnel excavation unit price
Parameter valuationThe valuation of parameter method is the method of calculating the multiplication coefficient according to a certain cardinal number or the custom formula. This method is simple and clear, but the biggest difficulty is the scientific formula, accuracy is difficult to grasp. This method is mainly applicable to the construction process must occur, but it is difficult to predict the specific items in the bidding, but can not separate the project content of the project measures. If the valuation night construction fees, two handling fee, rain during construction can be used in this method.
Q:12 meters of the tunnel car, under normal circumstances, one of the two months to be able to cast a few models?
If the reinforcement in advance or tied to the design of no reinforcement, the normal situation down the car, plus the plug plate, pouring concrete
Q:Tunnel construction technology and method
1 overall construction planUsing the new Austrian tunneling method, the construction principle is "less disturbance, early spray anchor, ground measurement, tight closure". The rock excavation method of construction; rock class micro bench excavation, pre splitting blasting; IV surrounding rock by construction method (Section IV surrounding rock under the partial, the construction step method), smooth blasting technique; fault fracture zone by middle wall construction method.The ballast is unloaded by the side unloading loader.Two lining the rail trolley, concrete mixing truck to transport concrete, pumping concrete, lining after decoration engineering construction.It is necessary to strengthen the geological prediction in the fault fracture zone and water rich zone, and provide the basis for the construction.
Q:How to design the general layout of the tunnel construction organization design
A very simple plane diagram, indicating the location of the tunnel, into the construction of the sidewalk and the construction of sidewalks, mixing stations and storage yard, air compressor unit location
Q:What is the role of the tunnel formwork trolley? What is the use of template trolley?
The utility model is mainly composed of a simple lining trolley, a full hydraulic automatic walking lining trolley and a grid type lining trolley. Full hydraulic lining trolley can be divided into the side and roof arch, circular needle beam, bottom mold, full circle needle beam through type etc.. It is also widely used in the construction of hydraulic tunnel and bridge that the lifting sliding mode, the lifting sliding mode and the turning mode, etc..
Q:The tunnel lining is wood, how should support?
Two concrete tunnel lining, template is used according to the size and shape of the tunnel design custom-made, I-beam welded frame, welded steel plate, known as the "two trolley liner" (hydraulic jack lifting and installation of steel wheel moving on the rail), is generally the length of 9~12m, concrete pouring pump concrete.
Q:What is the width of a ring in a tunnel
Of course, the assembly of the tunnel, such as subway shield tunnel, a ring is the length of the shield segment, there are 1.0m, 1.2m, 1.5m, 2.0m.
Q:Loess tunnel construction quality control points
The main points of concrete construction of tunnel invert:1) should advance concrete arch wall concrete construction of inverted arch arch and the construction should be removed before water, slag and other sundries, false
Q:When the tunnel fight, there is no provision for the number of meters hit
Fixed strip: the use of additional reinforcement fixation; special fixture fixed; the wire and the fixed template (Figure 2).
Q:What are the safety awareness of the tunnel lining formwork trolley?
Second, check the obstacles before starting, the process of attention to observe at any timeWire, wind

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