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Construction method of bobsled arena using high performance wet shotcrete composition

A technology of wet spraying and construction methods, which is applied in the binding of skis, earthwork drilling, and sports accessories, etc., which can solve problems such as weak concrete structures, uneven curved surfaces, poor quality management, etc., and achieve pumping performance Excellent, improved compression strength, improved adhesiveness

Inactive Publication Date: 2015-09-09
KNU IND COOPERATION FOUND +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0012] Second, regarding the poor quality management
[0017] In addition, when using the conventional concrete panel formwork construction method on a curved or inclined surface, the concrete structure is not strong after curing, and there is a problem that it is easily damaged by external impact. The problem of safety incidents

Method used

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  • Construction method of bobsled arena using high performance wet shotcrete composition
  • Construction method of bobsled arena using high performance wet shotcrete composition
  • Construction method of bobsled arena using high performance wet shotcrete composition

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Embodiment Construction

[0038] Next, the construction method of the bobsled arena using the high-performance wet shotcrete composition of the present invention will be described in detail.

[0039] In explaining the present invention below, detailed descriptions of related known functions and configurations are omitted if they are deemed to obscure the gist of the present invention. In addition, the following terms are terms defined in consideration of the functions in the present invention, which may be different according to different users, operators' intentions, or precedents, so the meaning of each term should be based on the content of the entire specification be explained.

[0040] first, figure 1 It is a flow chart of the construction method of the sled arena of the present invention, figure 2 and image 3 It is a partially cutaway perspective view and a sectional view showing a bobsled arena constructed according to the present invention.

[0041] The construction method of the sled are...

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Abstract

The present invention relates to a method for constructing a bobsleigh course using a high-performance wet-type shotcrete composition, and more particularly, to a method of constructing a bobsleigh course that uses a high-performance wet-type shotcrete composition which includes silica fumes and AE material, and which has increased pumpability prior to being deposited due to the presence of a superabundant amount of air, and increased shootability after being deposited since the amount of air present is decreased, thus imparting high constructability, high strength, and high durability to the composition. To this end, the method comprises: a framework-forming step of fixing a wire-mesh formwork, positioning a cooling pipe, strengthening adherence and holding strength, and installing a curvature-maintaining pipe; a shotcrete-laying step of laying the shotcrete composition; a first surface-finishing step of setting a curved surface and performing finishing using plastering; a second surface-finishing step of performing a rough surface finishing; and a wet curing step of performing wet curing.

Description

technical field [0001] The present application relates to a construction method of a bobsled arena using a composition of high-performance wet shotcrete, in particular to a method of constructing a bobsleigh field using a composition of high-performance wet shotcrete. The composition of high-performance wet shotcrete By utilizing the high-performance wet shotcrete composition containing silica fume and AE agent, it has the advantages of increasing the pumpability (Pumpability) by securing an excessive amount of air before pouring, and increasing the stickiness (Shotability) by reducing the amount of air after pouring. ) and other high constructability, high strength and high durability. Background technique [0002] Wet shotcrete is a concept different from dry shotcrete. It refers to the concrete that is sprayed and pasted after adding water to the spraying device when mixing materials, and adding air to the nozzle to increase the spraying speed. It is a construction metho...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A63C19/10A63B71/02
CPCA63C19/10A63B71/02E21D11/10
Inventor 尹庆九金龙坤崔成墉金圣权申铉吉
Owner KNU IND COOPERATION FOUND
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