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A construction method for track concrete

A construction method and concrete technology, applied in the directions of roads, roads, pavements, etc., can solve problems such as inability to process shotcrete on the track, and achieve the effects of improving quality and construction efficiency, increasing surface roughness, and increasing compactness.

Inactive Publication Date: 2019-10-18
SHANGHAI BAOYE GRP CORP +1
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  • Abstract
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  • Claims
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Problems solved by technology

[0003] For this reason, the technical problem to be solved by the present invention is to overcome the problem in the prior art that the shotcrete on the track cannot be accurately processed, thereby providing a method for finishing the sprayed concrete surface of the bobsled track and making the track surface The construction method of track concrete whose radian and smoothness reach millimeter level

Method used

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  • A construction method for track concrete

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Embodiment Construction

[0016] Such as figure 1 As shown, this embodiment provides a construction method for track concrete, including the following steps: Step S1: After the concrete spraying of the track 10 is completed, scrape off the floating material and excess spray material on the track 10 surface, and sequentially Scrape the concrete on the surface of each section of the track until it is flush with the leveling pipe on the track 10; step S2: perform the first troweling and leveling on the surface of the track 10, and wait for the first troweling and leveling to be completed Finally, remove the upper eaves formwork and the lower eaves formwork of the race track 10, and process the upper cornice 14 and the lower cornice 12 of the race track 10; step S3: take out the Step S4: After the filling of the leveling tube is completed, the surface of the track 10 is smoothed and leveled for the second time, and the surface of the track 10 is roughened.

[0017] The construction method of the track con...

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Abstract

The invention relates to a construction method for track concrete. The method comprises the following step: after the completion of the concrete jetting of tracks, scraping off floating materials andexcess sprayed materials on the track surfaces, and sequentially scraping the surface concrete of each track to be level with a leveling pipe on the track; carrying out primary smoothing leveling on the track surfaces; after the primary smoothing leveling is completed, removing upper cornice templates and lower cornice templates of the tracks; processing the upper cornice templates and lower cornice templates; and taking out the leveling pipes to carry out filling according to the state of the concrete on the tracks; and after the space left by the leveling pipes is filled up, performing secondary smoothing leveling on the track surfaces and carrying out a brushing process on the track surfaces. The method of the invention makes the concrete surface of the spatial hyperboloid track denser,and the overall smooth transition of the track is realized and the quality and construction efficiency of the track are improved.

Description

technical field [0001] The invention relates to the technical field of track construction, in particular to a construction method for track concrete. Background technique [0002] Both bobsleigh and sled events are highly ornamental snow sports. The bobsleigh and sled track, as the competition slides for the snowmobile and sled events in the Winter Olympics, is a slide with high quality requirements. Therefore, It is the most difficult and complex facility to design. The track currently under construction has the following characteristics: the total length of the track is about 2,000 meters, with a total of 16 corners, the largest corner turning angle is 360°, and the shape is complex. There are also two 160-meter training tracks. Three-dimensional bending changes (that is, curvature changes in two directions at the same time), the height and curvature of each section are different; in addition, the track requires a speed of 134.4m / h for snowmobiles and people to slide, and...

Claims

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Application Information

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IPC IPC(8): E01C13/12
CPCE01C13/12
Inventor 海有贵彭辉周勤史越巍林文龙余维勇施建昌陆剑
Owner SHANGHAI BAOYE GRP CORP
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