Precast concrete sandwich cladding wall panel provided with ribs

Abstract

The invention discloses a ribbed prefabricated concrete sandwich external wall panel, which sequentially includes: an inner leaf plate, a thermal insulation layer and an outer leaf plate from the inside to the outside. The board, the thermal insulation layer and the outer blade are connected into one body by means of a tie. The inner blade includes a flange plate and a rib provided on the flange plate, and the rib is arranged on a side of the inner blade facing the outer blade. In the embodiment of the present invention, since the inner blade is designed in the form of ribbing, compared with the sandwich external thermal insulation wall panel whose inner blade is a rectangular section, the rigidity and strength, thermal insulation efficiency, durability and fire resistance of the wall panel are guaranteed. At the same time, it reduces the thickness of the wallboard, increases the effective use space of the building, reduces the amount of concrete, reduces the self-weight of the wallboard, increases the safety and seismic performance of the connection node, and is suitable for thermal insulation projects of building exterior walls.

Description

Technical field [0001] The invention relates to the field of building materials, in particular to a ribbed prefabricated concrete sandwich wallboard. Background technique [0002] my country is a big energy-consuming country, and building energy consumption accounts for about 30% of the total energy consumption. The building envelope not only accounts for a large proportion of building energy consumption, but also directly affects the thermal insulation performance of the building structure. [0003] Since 1986, the country has continuously put forward high standards and high requirements for the thermal insulation performance of building structures, and has also continued to develop and innovate in building thermal insulation walls. Among the thermal insulation walls currently used in the market, the more advanced technology is undoubtedly the sandwich wall panels. [0004] The sandwich external wall panel is a new type of sandwich thermal insulation wall, which connects the inner...

AI Technical Summary

Problems solved by technology

However, in order to obtain sufficient rigidity and strength, the current general-purpose sandwich external wall panels usually design the inner leaf panels thicker, which not only reduces the effective use of space for the building, but also causes the wall panels to be too heavy due to the excessive amount of concrete.

These will pose a great challenge to the safety of the joints connecting the sandwich external wall panels, and there will be certain safety hazards. At the same time, it will also have an extremely adverse impact on the seismic resistance of the structure

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