Single-Side Bracket Steel

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Single-side Bracket：

During single-sided concreting, the concrete pressure is transferred into the sub-structure by

means of the single-side bracket.

Characteristics:

◆ For concrete heights up to 8.0m and a fresh concrete pressure up to a maximum of 60KN/m2.

◆ Good standard performance and versatility.

◆ Fast element coupling, all units can be quickly connected.

◆ The finished wall is excellent and absolutely waterproof.

◆ Optimized sizes for transportation.

Design Principle:

There is no wall-through tie-rod in the single-side bracket system. The whole system is adjusted by

the anchor system and the regulator system.

The stress situation from the sketch above.F1 can resist the side pressure of the concrete and F2

can resist the rising force. R can not only bear the gravity force of the bracket, but also the side

pressure of the concrete. This stress system is simple, reasonable and also with convenience and

high safety.

Single-Side Bracket Steel

Q:For example, lining, invert, bias and so on words,, to answer the full thank you: You haven't even touched the tunnel. Simply to say that the lining is the use of concrete or reinforced concrete tunnel inside the template pouring. The author is to stabilize the stability of the rock itself, followed by the tunnel in order to facilitate the application of.

Q:The tunnel structure of plastic mould: In the use of the whole tunnel mode is not as flexible as semi tunnel mode, the lifting equipment requirements are higher, it is gradually being semi tunnelMode substitution.

Q:What is the concrete construction of the tunnel invert: It is not required to ensure the appearance of the concrete, is the high pressure jet, the rapid solidification type.

Q:When the tunnel fight, there is no provision to fight how many meters left, only by one of the construction: Fixed strip: the use of additional reinforcement fixation; special fixture fixed; the wire and the fixed template (Figure 2).

Q:Where is the B-B section of the tunnel invert reinforcement: 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:Tunnel two lining car moving outside the template after the demolition of how the car is similar to the nature of the sliding movement and concrete off: The template is removed, the car generally has a fixed track, easy to move. What do not understand, you can secretly I hope to help you!

Q:Main diseases and prevention of tunnel: Main diseases and prevention of tunnel1 over excavation in tunnel excavationPhenomenon: in tunnel excavation, the upper, lower, left and right contours are exceeded.The reason analysis: the measurement is not allowed, the deviation is big; the hole position deviation is bigger; the hole in the hole drilling process does not have the straight hole to have the slanting hole to exceed the limit; the blasting parameter choice is wrong, the charge quantity is too much or unreasonable.Preventive measures: to ensure the measurement work turnover review system; accurate calculation of blasting parameters, the formal process test before entering the tunnel, timely adjust the parameters change of geological condition; hole position and direction control in drilling process.

Q:How to calculate the lining formwork trolley in the tunnel construction, is the fixed assets or the turnover materials?: In the construction of the tunnel lining template can belong to the low value consumables in accounting, purchasing back into low value, and share in the future cost of 50%, scrap reamortization into 50% of the cost of this method is of low value consumables 55 amortization method; fixed assets, equipment car belonging to the class the asset depreciation period of 10 years. The lining template trolley for a device, rather than separate accounting, and the template should be turnover materials? Added: I engaged in casting model in the low value consumable, car is of course equipment assets added: template is a collar with the repeated use of the low value consumables, which belongs to the class of tools, you can also be classified as turnover materials, but according to the use of reasonable cost sharing principle after ask: you the manufacture of accounting, and it is in the tunnel construction, the construction enterprise to buy trolley. I personally feel that the template should be separated from the car accounting, so more true and accurate.

Q:How to fill in the tunnel template: There seems to be a quality inspection form，Send a template to see

Q:Ask, general highway tunnel measurement with the total station to measure which aspects? The more detailed the better: Steel arch support and Lifang line checking, bottom excavation and invert excavation, lining template checking and lofting, invert pavement template checking, reinforced lofting and lining ditch school inspection, line and template checking

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