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Dismantling-free stiffened composite template and manufacturing and using method thereof

A composite formwork and disassembly-free technology, which is applied in the field preparation of formwork/formwork components, building components, construction, etc., can solve the problems of large proportion of pigment usage, poor bonding compatibility, and product performance impact, and achieve adhesion High knot strength, low cost and easy operation

Inactive Publication Date: 2013-07-10
张建华
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although the invention has a simple and clear structure, energy saving and environmental protection, and strong practical operability, there are still some problems in the invention. First, although there are multiple layers in the invention, the function is single, and there is a problem of poor bonding compatibility with the pouring main body concrete; Secondly, the use of pigments is high and the cost is high, and the performance of the product will be affected to a certain extent; again, this invention cannot solve some special engineering problems, such as the bridge piers of cross-sea bridges or the underwater part of the concrete surface of the cap are susceptible to chloride ions in seawater corrosion problem

Method used

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  • Dismantling-free stiffened composite template and manufacturing and using method thereof
  • Dismantling-free stiffened composite template and manufacturing and using method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0033] A disassembly-free stiffened composite formwork includes an inner bonding layer 1 and an outer stiffening layer 2, the bonding layer 1 is poured from cement paste or concrete material, the outer surface of the bonding layer 1 and the inner surface of the stiffening layer 2 Connected by continuous pouring, the stiffening layer 2 is poured from concrete material and has two layers of high-strength stainless steel wire mesh skeleton 4 inside; the inner side 5 of the bonding layer is a rough surface; the outer side 6 of the stiffening layer is also a rough surface; The outer side 6 of the stiffening layer has a protective layer 3 .

[0034] Wherein, the above-mentioned high-strength stainless steel wire mesh skeleton 4 can be replaced by glass fiber mesh, carbon fiber mesh or polymer material mesh skeleton, also can be replaced by polyester mesh, polypropylene mesh or polyethylene mesh skeleton; protective layer 3 is a decorative protective layer , poured by cement paste mi...

Embodiment 2

[0036] A method for preparing a reinforced composite formwork without disassembly, the steps comprising:

[0037] (1) Make a mold according to the size of the designed disassembly-free stiffened composite formwork, brush the release agent on the surface of the mold, and place the mold on the vibrating table;

[0038] (2) Pour the cement slurry or commercial concrete material evenly into the mold, covering the bottom of the mold and 1mm higher than the bottom of the mold, that is, laying the bonding layer 1;

[0039] (3) Continue laying a layer of high-strength stainless steel wire mesh skeleton 4 on the bonding layer 1 described in step (2). After the skeleton is completed, it is covered with commercial concrete materials, and the pouring thickness is 12 mm;

[0040] (4) Repeat step (3) once;

[0041] (5) Lay another layer of stainless steel wire mesh skeleton 4, the diameter of the steel wire is 0.5 mm, the channel is square, the side length of the square is 10 mm, and then...

Embodiment 3

[0052] The method for using the non-disassembly stiffened composite template described in embodiment 1, its steps include:

[0053] (1) Splicing the non-disassembly-free stiffening composite formwork according to the shape of the main pouring structure to form a pouring formwork, and fixing it with a supporting device;

[0054] (2) 1-2 hours before the pouring of the main structure, spray and wet the non-disassembly stiffening composite formwork;

[0055] (3) The concrete of the main structure is poured in the pouring formwork formed by splicing the reinforced composite formwork without disassembly;

[0056] (4) After the main structure concrete is poured 3-28 days, the supporting device is removed to complete the pouring work.

[0057] Among them, before the above step (2), the inner surface 5 of the bonded layer of the non-removable stiffened composite template is cleaned; Side 5, use interface agent to strengthen the bonding performance of new and old concrete. The inter...

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Abstract

A dismantling-free stiffened composite template comprises a bonding layer on the inner side and a stiffening layer on the outer side, wherein the bonding layer is formed by pouring cement paste or concrete materials, the outer lateral surface of the bonding layer is connected with the inner lateral surface of the stiffening layer, the stiffening layer is formed by pouring the concrete materials, and a network-shaped framework is arranged in the stiffing layer. The invention further provides a manufacturing method and a using method of the dismantling-free stiffened composite template. The dismantling-free stiffened composite template has the advantages of: (1) shortening using cycle of the template and improving working efficiency; (2) being convenient to operate and low in cost; (3) being good in anti-crack performance and high in strength; (4) facilitating later-stage beautifying or maintenance treatment; (5) being capable of improving a protective layer, improving the durability of the main body structure and simultaneously saving construction cost; (6) requiring no secondary decoration beautifying by means of the protective layer on the outer lateral surface of the stiffing layer, reducing the later-stage construction cost and having certain effect.

Description

technical field [0001] The invention belongs to the field of novel formwork in civil engineering, and in particular relates to a disassembly-free stiffened composite formwork and a preparation and use method thereof. Background technique [0002] The existing concrete protection layer is poured together with the main structure, and the thickness of the concrete protection layer is controlled by controlling the distance between the steel skeleton and the formwork during the construction stage. In the structure of walls, beams and columns, the concrete used for the protective layer is almost plain concrete, and it is difficult to integrate decoration materials into it. [0003] Chinese Invention ZL 201010196861.3 provides a production process for a non-disassembly color protective layer template, including the production and molding part of the non-disassembly color protective layer template and the use and health care part of the non-disassembly color protective layer templat...

Claims

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Application Information

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IPC IPC(8): E04G9/02
Inventor 张建华
Owner 张建华
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