CN-115653187-B - Flame-retardant sandwich heat-insulating laminated wallboard

CN115653187BCN 115653187 BCN115653187 BCN 115653187BCN-115653187-B

Abstract

The invention provides a flame-retardant sandwich heat-insulating laminated wallboard which comprises an A-type stainless steel truss steel bar, an inner leaf concrete layer, a cavity layer and an outer leaf heat-insulating concrete layer, wherein the inner leaf concrete layer, the cavity layer and the outer leaf heat-insulating concrete layer are sequentially arranged from inside to outside, the cavity layer is arranged between the inner leaf concrete layer and the outer leaf heat-insulating concrete layer, and the cavity layer is made of cast-in-place concrete. According to the scheme, the prefabricated vertical components of the fabricated building are prefabricated, the advantages of the stacked components are fully exerted, the self weight is reduced, the heat insulation layer is arranged in the wallboard, the subsequent heat insulation layer construction of a building is reduced, the construction period is shortened, the green low-carbon requirement of a low-energy building is met, the fireproof A-level material arranged on the outer ring of the heat insulation layer of the wallboard can enable each prefabricated component to form self fireproof blocking, and the heat insulation fireproof performance of the outer wall of the building can be enhanced.

Inventors

SHEN HUALIANG
WANG YAHUI
YU XIAOWEI
HUANG WEITING
YU YACHAO
Kong Jiadan

Assignees

浙江宝业现代建筑工业化制造有限公司

Dates

Publication Date: 20260505
Application Date: 20221014

Claims (1)

1. The flame-retardant sandwich heat-insulating laminated wallboard is characterized by comprising an A-type stainless steel truss steel bar (11), an inner leaf concrete layer (12), a cavity layer (13) and an outer leaf heat-insulating concrete layer which are sequentially arranged from inside to outside, wherein the cavity layer (13) is arranged between the inner leaf concrete layer (12) and the outer leaf heat-insulating concrete layer, the cavity layer (13) is made of cast-in-place concrete, the A-type stainless steel truss steel bar (11) is used for fixing the inner leaf concrete layer (12), the cavity layer (13) and the outer leaf heat-insulating concrete layer and a structural beam column in a mode of reserved steel bar anchoring, and the outer leaf heat-insulating concrete layer is used for insulating and flame-retardant protecting a wall body; the outer leaf heat-insulating concrete layer comprises an outer wall heat-insulating layer (14) and an outer leaf concrete layer (15), the outer wall heat-insulating layer (14) is arranged on one side, far away from the inner leaf concrete layer (12), of the cavity layer (13), and the outer leaf concrete layer (15) is wrapped on the outer side of the outer wall heat-insulating layer (14); The thickness of the outer leaf concrete layer (15) is 50mm, the thickness of the outer wall heat preservation layer (14) is 20mm, and the distance between the side edge of the outer wall heat preservation layer (14) and the side edge of the outer leaf concrete layer (15) is 20cm; The outer wall heat preservation (14) comprises an A-level fireproof heat preservation board (20), an XPS heat preservation board (21) and a connecting piece, wherein the XPS heat preservation board (21) is arranged on the outer side of the cavity layer (13), the XPS heat preservation board (21) is used for improving heat preservation performance of the laminated wallboard in a building, the A-level fireproof heat preservation board (20) is wrapped on the outer side of the XPS heat preservation board (21), the A-level fireproof heat preservation board (20) is used for enabling the laminated wallboard to conduct fireproof partition on the inner side space of the building, the connecting piece is fixedly arranged between the A-level fireproof heat preservation board (20) and the XPS heat preservation board (21), and the connecting piece is used for assembling the A-level fireproof heat preservation board (20) and the XPS heat preservation board (21); The connecting piece includes a plurality of groups of support connecting piece (22) and heat preservation nail, support connecting piece (22) are located XPS heated board (21) and junction all around of level A fire prevention heated board (20), support connecting piece (22) comprise adaptation portion and tilting portion, support connecting piece (22) adaptation portion is used for right XPS heated board (21) and install between level A fire prevention heated board (20), support connecting piece (22) tilting portion is used for balancing XPS heated board (21) produced shear stress, the heat preservation nail is located XPS heated board (21) center department, the heat preservation nail be used for with support connecting piece (22) are right XPS heated board (21) are assembled simultaneously.

Description

Flame-retardant sandwich heat-insulating laminated wallboard Technical Field The invention relates to the technical field of constructional engineering, in particular to a flame-retardant sandwich heat-insulating laminated wallboard. Background Along with the development of the concept of the assembly type building and the ultra-low energy consumption building which are greatly popularized in recent years, the rapid development is realized from the design and research of the assembly type building components, the deep design of the components, the production and the practical application of the components. However, in the prefabricated laminated wallboard at present, the common concrete laminated wallboard is mainly used, the component functions are single, the advantage of optimizing the functions of the prefabricated components is not reflected in the heat insulation construction of the subsequent building outer wall, the construction period of the building is greatly prolonged, the construction cost is increased, the subsequent construction safety of covering the building with the heat insulation layer is poor, and once the influence of other severe environments such as fire disaster exists, the heat insulation layer in the wallboard falls off, so that the health and safety of people are endangered. Disclosure of Invention Aiming at the defects of the prior art, the invention provides a flame-retardant sandwich heat-insulating laminated wallboard, which solves the problems in the prior art. The fire-retardant sandwich heat-insulating laminated wallboard comprises an A-shaped stainless steel truss steel bar, an inner leaf concrete layer, a cavity layer and an outer leaf heat-insulating concrete layer which are sequentially arranged from inside to outside, wherein the cavity layer is arranged between the inner leaf concrete layer and the outer leaf heat-insulating concrete layer, the cavity layer is made of cast-in-place concrete, the A-shaped stainless steel truss steel bar is used for fixing the inner leaf concrete layer, the cavity layer and the outer leaf heat-insulating concrete layer and fixing the inner leaf heat-insulating concrete layer, the cavity layer and the outer leaf heat-insulating concrete layer with a structural beam column in a mode of reserved steel bar anchoring, and the outer leaf heat-insulating concrete layer is used for insulating and flame-retardant protecting a wall body. Preferably, the outer-leaf heat-insulating concrete layer comprises an outer-wall heat-insulating layer and an outer-leaf concrete layer, the outer-wall heat-insulating layer is arranged on one side, far away from the inner-leaf concrete layer, of the cavity layer, and the outer-leaf concrete layer is wrapped on the outer side of the outer-wall heat-insulating layer. Preferably, the thickness of the outer leaf concrete layer is 50mm, the thickness of the outer wall heat-insulating layer is 20mm of the A-level fireproof heat-insulating plate, and the distance between the side edge of the outer wall heat-insulating layer and the side edge of the outer leaf concrete layer is 20cm of the A-level fireproof heat-insulating plate. Preferably, the outer wall insulation layer comprises an A-level fireproof insulation board, an XPS insulation board and a connecting piece, wherein the XPS insulation board is arranged on the outer side of the cavity layer and used for improving insulation performance of the laminated wallboard in a building, the A-level fireproof insulation board is wrapped on the outer side of the XPS insulation board and used for enabling the laminated wallboard to conduct fireproof partition on the inner side space of the building, the connecting piece is fixedly installed between the A-level fireproof insulation board and the XPS insulation board, and the connecting piece is used for assembling the A-level fireproof insulation board and the XPS insulation board. Preferably, the connecting piece includes a plurality of groups of support connecting pieces and heat preservation nail, support the connecting piece and locate XPS heated board and the junction all around of A level fire prevention heated board, support the connecting piece and constitute by adaptation portion and tilting portion, support the connecting piece adaptation portion and be used for right XPS heated board and install between the A level fire prevention heated board, support the connecting piece tilting portion and be used for balancing the generated shear stress of XPS heated board, the heat preservation nail is located XPS heated board center department, the heat preservation nail be used for with support the connecting piece is right simultaneously XPS heated board assembles. Preferably, the thickness of the outer leaf concrete layer is 50mm. Preferably, the gap at the joint between the A-type stainless steel truss steel bar and the XPS heat-insulating plate is filled with polyurethane foaming agent. The invention provides a flame-