Concrete joint drilling device and construction method thereof

A technology for concrete and joints, which is applied in the field of chiseling devices for concrete joints, which can solve the problems of difficult manual chiseling, damage to prefabricated beam and slab structures, and long time-consuming chiseling processes, and achieves simple structure, low construction cost, and easy construction. fast effect

Inactive Publication Date: 2019-10-22
CHINA CONSTR MUNICIPAL ENG +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] (1) Generally, there are many beams and slabs in the prefabricated field, and the chiseling process requires a lot of labor, and the butt joint steel bars at the flange plates are dense, so manual chiseling is difficult and the efficiency is low
[0004] (2) Because the chiseling process is carried out manually, vibrating chisel is used. When chiseling workers use uneven force, it is easy to cause damage to the internal structure of the prefabricated beam slab, missing edges and corners, etc., resulting in the scrapping of the prefabricated beam slab and increasing construction costs.
[0005] (3) The chiseling process takes a long time, which seriously affects the construction progress

Method used

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  • Concrete joint drilling device and construction method thereof
  • Concrete joint drilling device and construction method thereof
  • Concrete joint drilling device and construction method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0038] Embodiment 1: as Figure 1 to Figure 6 As shown, a prefabricated beam-slab concrete junction roughening device includes a base layer 1, one side of the base layer is a concave-convex surface 2; or one side of the base layer is a concave-convex surface, and the other side of the base layer is an adhesive surface; Or the base layer is the formwork 6, and the concave-convex surface is the concave-convex part provided on the template at the corresponding junction 7 of the prefabricated beam slab; the concave-convex surface of the base layer is the contact surface with the poured concrete.

[0039] The adhesive surface is the adhesive surface layer 3 on the base layer and the release layer 4 outside the adhesive surface layer. The release layer is a plastic film, or a release paper, or a silicon-coated protective paper. The base is made of plastic material, rubber or fiber material. The fiber material is plant fiber material. The outer surface of the concave-convex surfac...

Embodiment 2

[0055] Embodiment 2: as figure 1 , figure 2 and Figure 4 As shown, it is a one-time use of concrete joint chisel wool stickers. One side of the base layer 1 is a concave-convex surface 2 . The base is made of plastic material, such as PPC, PVC, etc., rubber, or fiber material. The rubber should have a certain hardness, and the base layer and the concave-convex surface are made of the same material, which is the concave-convex surface made on one side of the rubber sheet.

[0056] The fiber material is a plant fiber material, such as paper with a certain hardness, the base layer and the concave-convex surface are made of the same material, and the concave-convex surface is made on one side of the paper sheet. Can be sprayed with plastic material film layer 5 or other waterproof material at the outer side of the uneven surface of described base layer for waterproofing, as waterproof wax etc., its effect is to prevent cement mortar from sticking to uneven surface.

[0057]...

Embodiment 3

[0058] Embodiment 3: as image 3 and Figure 4 As shown, it is a one-time use of concrete joint chisel wool stickers. The difference from Example 2 is: for the convenience of bonding the present invention to the corresponding template, one side of the base layer is a concave-convex surface, and the other side of the base layer is an adhesive surface. The adhesive surface is an adhesive surface layer located on the base layer and a release layer located outside the adhesive surface layer. The release layer is a plastic film, or a release paper, or a silicon-coated protective paper.

[0059] For waterproofing, the outer side of the concave-convex surface of the base layer can be sprayed with a plastic material film layer 5, such as PPC, PVC, etc. or other waterproof materials, such as waterproof wax.

[0060] When in use, the anti-adhesive layer is first removed, the glue surface layer is bonded to the conventional formwork at the corresponding prefabricated beam-slab junctio...

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Abstract

The invention belongs to a concrete joint drilling device and a construction method thereof. The device comprises a base layer, one side surface of the base layer is a concave-convex surface, the concave-convex surface of the base layer is in contact with the cast concrete, one side surface of the substrate layer is a concave-convex surface, and the other side surface of the substrate layer is anadhesive surface; the adhesive surface is a glue surface layer located on the base layer and an anti-sticking layer located outside the glue surface layer; the substrate is made of rubber or a fiber material, the fiber material is a plant fiber material; the method is characterized in that during pouring, the concave-convex surface is tightly attached to the concrete to enable the concrete surfaceat the position to form an uneven scabbling surface. The device and method have the advantages of being simple in structure, reasonable in design, time-saving and labor-saving, high in construction speed and quality, low in construction cost and good in using effect.

Description

technical field [0001] The invention belongs to a chiseling device for a concrete joint and a construction method thereof. Background technique [0002] The prefabricated girder slabs in bridge engineering are prefabricated in the prefabricated girder field and reach the design strength, and then transported to the construction site and placed on the bridge for docking. Before pouring concrete for wet joints, diaphragms, etc., in order to ensure that the old and new concrete at the joint are tightly occluded, it is necessary to chisel the joint between the old and new concrete of the prefabricated beam slab. In addition, when the prefabricated beam slab is prefabricated in the prefabricated beam field, due to the large gap of the comb plate at the flange plate, the traditional grout needs to be pasted before pouring, otherwise the grout leakage will be serious during pouring. The traditional method of chiseling is: after the beams and slabs have been poured and reached a ce...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B28B11/08
CPCB28B11/0818
Inventor 赵远华于建黄辉翁雪亚米志远
Owner CHINA CONSTR MUNICIPAL ENG
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