Sandwich composite wall body prepared by utilizing industrial wastes and preparation method

A technology for industrial waste and composite walls, which is applied in the field of sandwich composite walls and its preparation, can solve problems such as external water seepage, environmental pollution, and fire induction, and achieve improved thermal insulation performance and fireproof performance, high tie strength, and energy saving resource effect

Inactive Publication Date: 2018-01-09
山东省建设发展研究院
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Problems solved by technology

However, the current sandwich wall is composed of inner and outer leaf walls and insulation panels in the middle. There is a cavity between the insulation panels and the inner and outer leaf walls. The insulation panels are not fixed firmly and are likely to cause external water seepage, affecting the wall The overall performance; in addition, the inner and outer leaf walls and the insulation laye

Method used

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  • Sandwich composite wall body prepared by utilizing industrial wastes and preparation method

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Embodiment Construction

[0031] In order to clearly illustrate the technical features of the solution, the solution will be described below through specific implementation modes.

[0032] Such as figure 1 Shown is a sandwich composite wall made of industrial waste, including outer leaf wall 1, inner leaf wall 3, middle insulation layer 2 and connecting rod 4, the distance between the outer leaf wall and inner leaf wall, that is, the middle The thickness of the insulation layer is 1 / 4 of the total thickness of the composite wall. The outer leaf wall 1 and the inner leaf wall 3 are both made of concrete blocks and masonry mortar prepared from recycled construction waste aggregates, and the middle insulation layer 2 is made of waste particles of foamed plastic products, desulfurized building gypsum, chopped Fiber, polyvinyl alcohol, concrete waterproofing agent, physical foaming agent and water are mixed by metering, and poured after foaming. As a preferred solution, the physical foaming agent of this e...

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Abstract

The invention relates to a method for preparing a sandwich composite wall body by utilizing industrial wastes. The method comprises the following steps: (1) crushing foamed plastic product wastes intofoamed plastic product waste grains with the grain diameter less than 3mm; (2) building an external sandwich wall and an internal sandwich wall and pre-embedding a connection pull rod; (3) uniformlymixing and stirring the foamed plastic product waste grains obtained by step (1), desulfurized building gypsum, chopped fibers, polyvinyl alcohol, a concrete waterproof agent, sodium dodecyl sulfate and water according to a ratio; injecting the mixture into a cavity between the external sandwich wall and the internal sandwich wall and compacting by utilizing a vibrator.

Description

technical field [0001] The invention relates to the technical field of building structures, in particular to a sandwich composite wall prepared from industrial waste and a preparation method thereof. Background technique [0002] Construction waste and desulfurized construction gypsum are by-products of urbanization and industrialization. With the continuous acceleration of urbanization and industrialization in our country, the production of construction waste and desulfurized construction gypsum in our country has increased sharply. Stacking not only occupies land resources but also causes environmental pollution. The treatment and utilization of construction waste and desulfurization construction gypsum has become an urgent need for us to solve problem. [0003] At present, some areas of our country have implemented the standard of 75% building energy saving. The main energy saving method adopted in the construction field is external wall insulation, that is, pasting vari...

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Application Information

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IPC IPC(8): C04B28/14C04B28/00C04B38/10E04B2/00B28B1/50B28B1/04C04B111/28
Inventor 孙增桂朱传晟孙鲁军谭建华李国忠
Owner 山东省建设发展研究院
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