Aerated concrete slab

A technology of aerated concrete slabs and concrete slabs, which is applied to building materials, building components, building insulation materials, etc., can solve problems such as water seepage and water leakage at connecting transverse joints, and achieve the effects of reducing costs, strengthening waterproof effects, and improving stability

Inactive Publication Date: 2018-09-21
徐州市贾汪区怀强工贸有限公司
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AI-Extracted Technical Summary

Problems solved by technology

[0005] Aiming at the problems of water leakage and water seepage in the joints of the autoclaved aerated co...
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Method used

The autoclaved aerated concrete slab structure of the present embodiment, basic structure is the same as embodiment 1, difference and improvement are: crossbeam 6 is I-shaped steel beam, and its upper surface is fixed with rivet 61, and by rivet 61 and Floor 7 is fixedly connected. The floor slab 7 is tightened by the I-beam, and the floor slab 7 is close to the connecting transverse joint to avoid water seepage. The inner wall of the autoclaved aerated concrete slab 2 is also fixed with two angle steels 5 distributed up and down, and the upper angle steel 5 is attached to the connecting transverse joint formed by the two autoclaved aerated concrete slabs 2, and supported on the bottom of the floor 7, The bottom angle steel 5 is supported on the bottom of the I-beam beam. Improve the stability of I-beam fixing. The surface of the concrete slab is sprayed with waterproof paint, and its proportion is as follows
The autoclaved aerated concrete slab structure of the present embodiment, basic structure is the same as embodiment 3, difference and improvement are: the non-step surface of the bottom end of autoclaved aerated concrete slab 2 is fixed with special support 3, improves Load bearing when the autoclaved aerated concrete slab 2 is connected. The connecting transverse joint formed when the two autoclaved aerated concrete slabs 2 are connected is filled with the sealing material 4 to further reduce the generation of water seepage.
The autoclaved aerated concrete slab structure of the present embodiment, basic structure is the same as embodiment 4, difference and improvement are: ...
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Abstract

The invention discloses an aerated concrete slab. The aerated concrete slab comprises autoclaved aerated concrete slabs (2) which are vertically connected with each other, and is characterized in thatthe two tops of the autoclaved aerated concrete slabs (2) are steps (10) opposite to each other, and are matched with each other in a staggered manner during connection; a floor slab (7) is vertically fixed to one connecting transverse joint; a cross beam (6) is fixedly connected to a corner formed between the floor slab (7) and the inner wall of the connected autoclaved aerated concrete slab (2); the surface of the concrete slab is sprayed with waterproof coating.

Application Domain

Technology Topic

Floor slabAutoclaved aerated concrete +2

Image

  • Aerated concrete slab
  • Aerated concrete slab
  • Aerated concrete slab

Examples

  • Experimental program(5)

Example Embodiment

[0041] Example 1
[0042] The autoclaved aerated concrete slab structure of the present embodiment, as figure 1 As shown, the autoclaved aerated concrete slabs 2 are vertically connected to each other, and the two top ends of the autoclaved aerated concrete slabs 2 are steps 10 opposite to each other, which are staggered when connected; one of the connected transverse joints is vertically fixed Floor 7; the corner formed by the floor 7 and the inner wall connected to the autoclaved aerated concrete slab 2 is fixedly connected to the beam 6 . The surface of the concrete slab is sprayed with waterproof paint, and its proportion is as follows
[0043] The waterproof coating includes an adhesive, an aqueous solution, and a desiccant, wherein the adhesive has a weight percentage of 70-80, the aqueous solution has a weight percentage of 5-15, and the desiccant has a weight percentage of 5. 10 parts of rubber powder, the particle size of which is not greater than 1 mm; adjusting the weight percentage of the adhesive and the aqueous solution so that the weight percentage of the waterproof coating reaches 100;
[0044] The adhesive has a main component and a primary component, the main component is vinyl acetate acrylic emulsion (VINYL ACETATEACRYLATE COPOLYMER) and acrylic copolymer (ACRYLIC COPOLYMER), the secondary component is hydrophilic polyvinyl acetate (AQUEOUS POLYVINYL ACETATE) ;
[0045] The weight percent of the adhesive is 85, the weight percent of the main component is 70, the weight percent of the secondary component is 15, the weight percent of the aqueous solution is 10, and the viscosity of the waterproof coating is 21cps;
[0046] The desiccant is ethanol;
[0047] The waterproof coating is sprayed after stirring and entraining air to reach a porosity of 20-30%.
[0048]The autoclaved aerated concrete slab structure of this embodiment, in the specific application process, when the autoclaved aerated concrete slab 2 is installed vertically as an exterior wall panel, the plate ends at the joints connecting the transverse joints should keep the steps low on the outside and high on the inside. When the water climbs and seeps in along the lower steps outside, when the seepage volume and water pressure are not very large, it will be blocked at the step surface, and then return along the lower steps and flow out of the wall, thus improving the original structure. Water-repellent effect with horizontal seams.

Example Embodiment

[0049] Example 2
[0050] The basic structure of the autoclaved aerated concrete slab structure of this embodiment is the same as that of Embodiment 1. The difference and improvement lies in that the beam 6 is an I-shaped steel beam, and the upper surface thereof is fixed with a rivet 61, which is fixed to the floor 7 by the rivet 61. connect. The floor slab 7 is tightened by the I-beam, and the floor slab 7 is close to the connecting transverse joint to avoid water seepage. The inner wall of the autoclaved aerated concrete slab 2 is also fixed with two angle steels 5 distributed up and down, and the upper angle steel 5 is attached to the connecting transverse joint formed by the two autoclaved aerated concrete slabs 2, and supported on the bottom of the floor 7, The bottom angle steel 5 is supported on the bottom of the I-beam beam. Improve the stability of I-beam fixing. The surface of the concrete slab is sprayed with waterproof paint, and its proportion is as follows
[0051] The waterproof coating includes an adhesive, an aqueous solution, and a desiccant, wherein the adhesive has a weight percentage of 70-80, the aqueous solution has a weight percentage of 5-15, and the desiccant has a weight percentage of 5. 10 parts of rubber powder, the particle size of which is not greater than 1 mm; adjusting the weight percentage of the adhesive and the aqueous solution so that the weight percentage of the waterproof coating reaches 100;
[0052] The adhesive has a main component and a primary component, the main component is vinyl acetate acrylic emulsion (VINYL ACETATEACRYLATE COPOLYMER) and acrylic copolymer (ACRYLIC COPOLYMER), the secondary component is hydrophilic polyvinyl acetate (AQUEOUS POLYVINYL ACETATE) ;
[0053] The weight percent of the adhesive is 85, the weight percent of the main component is 70, the weight percent of the secondary component is 15, the weight percent of the aqueous solution is 10, and the viscosity of the waterproof coating is 21cps;
[0054] The desiccant is ethanol;
[0055] The waterproof coating is sprayed after stirring and entraining air to reach a porosity of 20-30%.

Example Embodiment

[0056] Example 3
[0057] The basic structure of the autoclaved aerated concrete slab structure of this embodiment is the same as that of the embodiment 2, the difference and improvement lies in that two angle steels 5 are fixed on the inner wall of the autoclaved aerated concrete slab 2 through two bolts 1 . To improve the fixed stability of the angle steel 5. The connection between the floor 7 and the autoclaved aerated concrete slab 2 is filled with fine stone concrete caulking 8 , and the floor 7 and the autoclaved aerated concrete slab 2 are connected together through the transition of the fine stone concrete slab 8 . The connection between the fine stone concrete caulking 8 and the autoclaved aerated concrete slab 2 is filled with an elastic material caulking 9, which acts as a buffer to avoid and reduce stress changes on the floor 7 due to environmental changes. The surface of the concrete slab is sprayed with waterproof paint, and its proportion is as follows
[0058] The waterproof coating includes an adhesive, an aqueous solution, and a desiccant, wherein the adhesive has a weight percentage of 70-80, the aqueous solution has a weight percentage of 5-15, and the desiccant has a weight percentage of 5. 10 parts of rubber powder, the particle size of which is not greater than 1 mm; adjusting the weight percentage of the adhesive and the aqueous solution so that the weight percentage of the waterproof coating reaches 100;
[0059] The adhesive has a main component and a primary component, the main component is vinyl acetate acrylic emulsion (VINYL ACETATEACRYLATE COPOLYMER) and acrylic copolymer (ACRYLIC COPOLYMER), the secondary component is hydrophilic polyvinyl acetate (AQUEOUS POLYVINYL ACETATE) ;
[0060] The weight percent of the adhesive is 85, the weight percent of the main component is 70, the weight percent of the secondary component is 15, the weight percent of the aqueous solution is 10, and the viscosity of the waterproof coating is 21cps;
[0061] The desiccant is ethanol;
[0062] The waterproof coating is sprayed after stirring and entraining air to reach a porosity of 20-30%.
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PUM

PropertyMeasurementUnit
Particle size<= 1.0mm
Viscosity value21.0cps
tensileMPa
Particle sizePa
strength10

Description & Claims & Application Information

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  • Low cost

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