Heat-preservation combined wall of FRP plate and recycled concrete sandwich
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A technology of recycled concrete and FRP boards, applied in insulation, walls, building components, etc., can solve problems such as low strength, high price, and inconvenient construction, and achieve the effects of large void ratio, increased recycling, and reduced quality
Pending Publication Date: 2017-06-27
NANCHANG UNIV +1
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Embodiment 1
[0026] Example 1: An open-type profiled FRP board and recycled concrete sandwich insulation composite wall.
[0027] 1. See figure 1 Known, it includes recycled concrete outer wall panels (1), recycled concrete inner wall panels (2), open-type FRP panels (3), FRP wall male connectors (4), FRP wall female connectors (5), where the FRP board is placed in the middle of the wall, and the flange (11) of the FRP board is poured in the inner and outer slabs of recycled concrete, in the space separated by the web (12) of the FRP board and the wall board Filled with thermal insulation expanded polystyrene EPS material (6). At the same time, the FRP wall connecting concave and convex parts (4), (5) are placed at both ends of the wall.
[0028] 2. According to the design requirements, determine the pouring thickness of the inner and outer wall panels, the open profile FRP panel (3), the thickness and position of the FRP wall connecting concave and convex parts (4), (5), support the template,...
Embodiment 2
[0032] Example 2: A necking-type pressed FRP board and recycled concrete sandwich insulation composite wall.
[0033] The construction steps of the composite wall are the same as those in Example 1, and it only needs to replace the open-type profiling FRP sheet (3) with a necking-type profiling FRP sheet (9). See figure 2 .
Embodiment 3
[0034] Example 3: A U-shaped FRP board and recycled concrete sandwich insulation composite wall.
[0035] The construction steps of the composite wall are the same as those in the first embodiment, and only the open-type pressed FRP sheet (3) is replaced with a U-shaped FRP sheet (10). See image 3 .
[0036] FRP materials can also be replaced by organic composite materials such as carbon fiber reinforced composite materials (CFRP), glass fiber reinforced composite materials (GFRP), and aramid fiber reinforced composite materials (AFRP).
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Abstract
The invention discloses an FRP board material and recycled concrete sandwich heat preservation combined wall body. These include: recycled concrete outer wall panels, recycled concrete inner wall panels, FRP panels, FRP wall connection concave and convex parts. The FRP board is placed in the middle of the wall, and the flanges of the FRP board are poured into the recycled concrete inner and outer wall boards. The space between the web and the wall of the FRP board is filled with thermal insulation expanded polystyrene EPS material. At the same time, the FRP wall connection concave and convex parts are placed at both ends of the wall. The invention recycles the discarded construction waste concrete to make regenerated concrete, which saves resources. The combination of the two overcomes the shortcomings of traditional wall structures such as troublesome construction, high cost, inconvenient construction, and poor ductility. On the other hand, the self-weight of the wall is reduced, the cost is reduced, and the wall has a good thermal insulation effect at the same time. The invention can be used for non-load-bearing filling walls with thermal insulation and load-bearing and anti-seismic shear walls in house construction and industrial plants.
Description
Technical field [0001] The invention belongs to the field of civil engineering, and particularly relates to an FRP board and recycled concrete sandwich insulation composite wall. Background technique [0002] At present, the amount of waste concrete in the construction waste caused by the demolition of old buildings every year in our country is huge, and it is increasing day by day. The huge processing cost and the environmental problems caused by it are also very prominent. In order to minimize the exploitation of natural resources, the recycling of construction waste must be maximized. It is imperative to effectively process and utilize waste concrete to make it a recyclable renewable resource, and to increase the development and research of its application technology. However, due to the inherent damage of recycled aggregate and its surface covered with a layer of old mortar, the water absorption rate of recycled concrete is large, resulting in the strength and durability of ...
Claims
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