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Small box girder inner mold and construction method for pouring small box girder

A construction method and technology of small box girders, which are applied in the direction of manufacturing tools, ceramic forming mandrels, ceramic forming machines, etc., can solve the problems of poor concrete pouring of the bottom slab, and achieve the effect of improving pouring quality, pouring compactness, and uniform distribution

Active Publication Date: 2022-01-11
中铁建工集团第五建设有限公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to solve the technical problem that the concrete of the bottom slab is not densely poured due to the fact that the concrete needs to flow for a relatively long distance during the pouring process of the small box girder in the prior art. Based on this, the present invention provides a small box girder internal mould; on the other hand, a construction method for pouring a small box girder using the mold in the small box girder is provided

Method used

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  • Small box girder inner mold and construction method for pouring small box girder
  • Small box girder inner mold and construction method for pouring small box girder
  • Small box girder inner mold and construction method for pouring small box girder

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Embodiment 1

[0050] refer to Figure 1a with figure 2 As shown, this embodiment discloses an inner mold for a small box girder, including an inner mold and a flat vibrator 7 . The top of the inner mold is provided with feeding windows 1 arranged at intervals along its length direction; the bottom of the inner mold is provided with a long opening 2 extending along its length direction. The concrete needed for pouring the bottom plate of the small box girder can be replenished in the long opening 2 through the feeding window 1 . The flat vibrator 7 is installed on the bottom of the inner mold so that it can move along the extending direction of the long opening 2, and the poured floor concrete is vibrated by the flat vibrator 7 while moving in the long opening 2.

[0051] In this embodiment, the concrete required for pouring the bottom slab is replenished through the filling window 1, and the poured bottom slab concrete is vibrated by the plate vibrator 7 at the same time, which reduces th...

Embodiment 2

[0071] refer to Figure 7 As shown, this embodiment provides a construction method for pouring a small box girder using the small box girder inner mold provided in Example 1, and its specific process includes:

[0072] The first step is to install the beam-making base, and install the bottom form on the beam-making base.

[0073] Specifically, it includes installing the bottom form to the beam-making pedestal, cleaning the sundries on the bottom form panel, checking the flatness and curvature of the bottom form, and evenly applying a release agent on the bottom form panel.

[0074] The second step is to assemble the inner mold and bind the steel bars, and hoist the inner mold with the steel bars bound to the beam-making pedestal.

[0075] Wherein, assembling the inner mold and binding the steel bars includes firstly adjusting the length of the vertical supporting device 83, propping up the third template 5 and the fourth template 6; installing the first supporting device 81 a...

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Abstract

The invention relates to the field of nuclear power construction, and particularly discloses a small box girder inner mold and a construction method for pouring a small box girder. The small box girder inner mold comprises an inner mold body and a flat plate vibrator; material supplementing windows which are arranged at intervals are formed in the top of the inner mold body in the length direction of the inner mold body; a through long opening extending in the length direction of the inner mold body is formed in the bottom of the inner mold body; the overall projection of the material supplementing windows is partially overlapped with the through long opening; and the flat plate vibrator can be movably mounted at the bottom of the inner mold body in the extending direction of the through long opening and is used for vibrating concrete below the through long opening. By means of the small box girder inner mold and the construction method, it is ensured that bottom plate aggregate can be uniformly distributed, pouring is compact, the pouring quality of a bottom plate of the small box girder is improved, the inner mold body can be quickly drawn out, and the working efficiency is improved.

Description

technical field [0001] The invention relates to the field of nuclear power construction and construction, in particular to an inner mold of a small box girder and a construction method for pouring the small box girder. Background technique [0002] In terms of nuclear power construction, the concrete box girder structure is the main structure, and more and more small box girder components are gradually designed and applied to the nuclear power site. The structural components of traditional concrete box girders are basically large-scale components. The main feature of the box is hollow and thin-walled. The manufacturing process is relatively mature, and the secondary prefabrication process of steel inner molds is mostly used. The key point of quality control of box girder components lies in the concrete construction control of the bottom slab of the box girder body. Due to the large hollow space of the traditional large-scale box girder components, operators can easily enter ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B28B23/02B28B1/093B28B7/30B28B7/28
CPCB28B23/02B28B1/093B28B1/0935B28B7/30B28B7/28
Inventor 周迪李平李志强王磊张宏亮吴恩泽王雷雷陈邵斌
Owner 中铁建工集团第五建设有限公司
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