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Manufacturing mold of movable core rib in hollow floor slab and application thereof

A technology of hollow floor and movable core, which is applied in the direction of molds, manufacturing tools, mold auxiliary parts, etc., can solve the problems of difficult operation and achieve the effect of reducing the difficulty of operation and convenient demoulding

Pending Publication Date: 2021-02-23
中阳建设集团有限公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The current method of making and using movable core ribs is to make super-long movable core rib strings at one time, and then directly insert them into the hollow cavity of the hollow floor slab, which is very difficult to operate

Method used

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  • Manufacturing mold of movable core rib in hollow floor slab and application thereof
  • Manufacturing mold of movable core rib in hollow floor slab and application thereof
  • Manufacturing mold of movable core rib in hollow floor slab and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0043] Attached below Figure 1-7 The present invention is further described in detail: a mold for making movable core ribs in hollow floor slabs, including a mold box body 1 and a mold cover 2, the inner diameter of the mold cover 2 is slightly larger than the outer diameter of the top opening of the mold box body 1, and is used to The top of the mold box body 1 is sealed, and the inner cavity formed by the two is used to form the concrete movable core rib 6; as figure 2 As shown, the top of the mold box 1 is open as the concrete entrance, and a hole I is opened at the bottom, and a pipe I3 ​​is arranged along the axial direction of the hole I. Extend, its height is less than the height of movable core rib 6, thereby forms movable core rib bottom groove 6-1; As image 3 As shown, the mold cover 2 is adapted to the mold box body 1, and there is a hole II on it, which is used as the entrance of the steel bar 6-2 inserted into the mold box body 1, and a pipeline II5 is arrange...

Embodiment 2

[0066] A mold for making movable core ribs in hollow floor slabs, including a mold box body and a mold cover. The inner diameter of the mold cover is slightly larger than the outer diameter of the top opening of the mold box body, and is used to seal the top of the mold box body. The inner diameter formed by the two The cavity is used to form the concrete movable core rib; the top opening of the mold box is used as the concrete entrance, and the bottom is provided with columnar protrusions along its height direction. Groove; the mold cover is adapted to the mold box body, and there is a hole II on it, which is used as the entrance for the steel bar to be inserted into the mold box body.

[0067] As a preferred solution of this embodiment, a pipeline II is provided along the axial direction of the hole II, and the height direction of the pipeline II extends away from the mold box body. When the concrete is poured into the mold, it plays the role of inserting and fixing the steel...

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Abstract

The invention relates to manufacturing and a manufacturing mold of a movable core rib in a hollow floor slab, in particular to manufacturing and a manufacturing mold of a super-long movable core rib formed by connecting a plurality of sections together, and belongs to the field of building structures. The invention discloses a manufacturing mold of a movable core rib in a hollow floor slab and application thereof. The manufacturing mold comprises a mold box body and a mold cover, wherein an inner cavity formed by the mold box body and the mold cover is used for forming the concrete movable core rib. The top of the mold box body is open and serves as a concrete inlet, the bottom of the mold box body is provided with a columnar protrusion in the height direction, and the columnar protrusionis lower than the movable core rib and used for forming a groove in the bottom of the movable core rib. The mold cover is matched with the mold box body, and a hole II is formed in the mold cover andserves as an inlet for a rigid rod-shaped piece to be inserted into the mold box body. The manufacturing mold has the advantages that: 1, the operation difficulty of the movable core rib in the usingprocess is reduced; 2, concrete pouring and maintenance are facilitated; 3, demolding is convenient; and 4, the requirements of the process of installing the movable core rib in the later period are met.

Description

technical field [0001] The invention relates to the production of a movable core rib in a hollow floor slab and its production mold, in particular to the production of a super-long movable core rib formed by connecting several sections together and its production mold, belonging to the field of building structures. Background technique [0002] When two-way prestressed prefabricated reinforced concrete hollow slabs are used, in order to enhance the lateral stiffness of the hollow slabs and improve the seismic performance of the hollow slabs, rear-mounted prefabricated concrete movable core ribs are used to fill the hollows of the hollow slabs horizontally at a certain distance. cavity. [0003] In the process of making movable core ribs, it is necessary to ensure that the manufactured movable core ribs can not only meet the shape and size requirements, but also take into account the ease of manufacture and removal of the formwork, and the convenience of installing the movabl...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B28B7/16B28B7/00B28B23/00B28B13/06
CPCB28B7/0002B28B7/16B28B13/065B28B23/00
Inventor 陈恩斌钱崑李建陈雄熊国辉
Owner 中阳建设集团有限公司
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