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Heat-sound insulating lightweight concrete composite wallboard and manufacturing method thereof

A lightweight concrete, heat and sound insulation technology, applied in sound insulation, manufacturing tools, building construction, etc., can solve problems such as large void ratio, low density of heat and sound insulation materials, and unsatisfactory heat and sound insulation performance of composite concrete wall panels , to achieve the effects of simple manufacturing process, increased flexural strength, and simplified positioning operations

Active Publication Date: 2011-04-06
广州益群板业有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Even if the horizontal manufacturing process is adopted: pouring the bottom layer of lightweight aggregate concrete — → laying heat and sound insulation materials on the bottom layer of lightweight aggregate concrete — → pouring the surface layer of light aggregate concrete to bury the heat and sound insulation materials, because the heat and sound insulation materials The density is very small, the void ratio is large, and a large amount of water and cement enter the heat and sound insulation material during the manufacturing process, so that the heat and sound insulation performance of this composite concrete wall panel is not ideal.

Method used

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  • Heat-sound insulating lightweight concrete composite wallboard and manufacturing method thereof
  • Heat-sound insulating lightweight concrete composite wallboard and manufacturing method thereof
  • Heat-sound insulating lightweight concrete composite wallboard and manufacturing method thereof

Examples

Experimental program
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Effect test

Embodiment 1

[0035] refer to figure 1 and image 3 , a heat-insulating and sound-insulating lightweight concrete composite wallboard, comprising a lightweight aggregate concrete layer 1 and a heat-insulating and sound-insulating layer placed inside the light-aggregate concrete layer 1, the heat-insulating and sound-insulating layer comprising two fiber-reinforced cement sheets 2 and A heat and sound insulation material layer 3 filled between two fiber reinforced cement sheets 2 .

[0036] In this embodiment, the heat and sound insulation material layer 3 is mineral wool (or rock wool or glass wool), the fiber reinforced cement sheet 2 is a glass fiber reinforced cement concrete sheet with a thickness of 5-8mm, and the light aggregate concrete layer 1 is Polystyrene foam particle cement concrete, the compressive strength is greater than 3.5Mpa, and the thickness (that is, the thickness of the wallboard) is 100mm.

[0037] The bending load of this wallboard is greater than 1.5 times its ow...

Embodiment 2

[0039] refer to figure 2 and Figure 5 , The difference between this embodiment and Embodiment 1 is that a surface concrete thin plate 4 is also combined outside the light aggregate concrete layer 1 .

[0040] In this embodiment, the heat and sound insulation material layer 3 is a combination of a glass wool layer 32 and a rock wool board 31, and the fiber reinforced cement sheet 2 and the surface concrete sheet 4 are both glass fiber reinforced cement concrete sheets with a thickness of 5-10 mm. , the light aggregate concrete layer 1 is lightweight ceramsite cement concrete, the compressive strength is greater than 5Mpa, and the thickness (ie, the thickness of the wallboard) is 150mm.

[0041] The bending load of this wallboard is greater than 1.5 times its own weight, the axial compressive strength is greater than 3.5Mpa, the heat transfer coefficient is less than 1W / m.K, and the air sound insulation RW>50db.

Embodiment 3

[0043] refer to figure 1 , figure 2 and image 3 , a heat and sound insulation lightweight concrete composite wall panel manufacturing process, the manufacture of a composite panel with a heat and sound insulation layer and a lightweight aggregate concrete layer 1, the heat and sound insulation layer includes two fiber reinforced cement sheets 2 and filled in two The heat and sound insulation material layer 3 between the fiber reinforced cement sheets 2, which comprises the following process steps:

[0044] A. Make a heat and sound insulation layer, and use connectors to fix and connect two fiber reinforced cement sheets 2 filled with a heat and sound insulation material layer 3 to form a heat and sound insulation layer; the heat and sound insulation material layer 3 is rock wool and rock wool board , glass wool, glass wool board, mineral wool, mineral wool board, polystyrene foam board, polyurethane foam board adopt one of mineral wool board or a combination of more than o...

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Abstract

The invention relates to building material and provides a heat-sound insulating lightweight concrete composite wallboard and a manufacturing method thereof. The heat-sound insulating lightweight concrete composite wallboard comprises a light aggregate concrete layer and a heat-sound insulating layer arranged in the light aggregate concrete layer; and the heat-sound insulating layer is formed by filling the heat-sound insulating material layer between two fiber reinforced cement sheets. A manufacturing process of the composite wallboard comprises the following steps: A, fixedly connecting the two fiber reinforced cement sheets and the heat-sound insulating material layer filled between the two fiber reinforced cement sheets by a connecting piece to form the heat-sound insulating layer; B, putting the heat-sound insulating layer into a die cavity; C, pouring the light aggregate concrete into gaps of the die cavity; and D, demoulding to obtain the heat-sound insulating lightweight concrete composite wallboard. The invention has the following outstanding substantial characteristics and obvious progresses: the manufacturing process can realize the use of cotton-like heat-sound insulating material and ensures that the performance of the cotton-like heat-sound insulating material is not damaged during the processing so that the composite wallboard has higher heat-sound insulating performance and light weight.

Description

technical field [0001] The invention relates to building materials, in particular to a lightweight concrete composite wallboard. Background technique [0002] There are various types of existing interior wall panels, including monolithic structures and composite structures. The monolithic wall panels are generally made of lightweight aggregate concrete. In order to reduce weight, the interior is usually made into a hollow structure. The wall panels of the composite structure are usually multi-layer structures, and the inner wall panels with good heat and sound insulation properties are provided with heat and sound insulation board layers in lightweight aggregate concrete. [0003] In the prior art, when making heat-insulating and sound-insulating lightweight composite concrete wall panels, the heat-insulating and sound-insulating material layer is usually put directly into the mold cavity first, and then the light-weight aggregate concrete is poured into the mold cavity to r...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E04B1/90E04C2/288B28B1/52
CPCY02A30/244
Inventor 朱志镳刘毅
Owner 广州益群板业有限公司
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