CN210421485U

CN210421485U - Light straw filled composite wallboard with good fire resistance

Info

Publication number: CN210421485U
Application number: CN201920688930.9U
Authority: CN
Inventors: 何树; 林映含; 李静; 胡宪睿; 强智森; 朱家旭
Original assignee: South China University of Technology SCUT
Current assignee: South China University of Technology SCUT
Priority date: 2019-05-15
Filing date: 2019-05-15
Publication date: 2020-04-28
Anticipated expiration: 2029-05-15

Abstract

The utility model discloses a light straw filled composite wallboard with good fire resistance, which comprises a middle layer, a calcium silicate board and a panel layer; the calcium silicate board is arranged on the upper surface and the lower surface of the middle layer, and the panel layer is arranged on the upper surface and the lower surface of the calcium silicate board; the middle layer is filled with biomass straw materials and is a rectangular frame of southern pine; four partition plates are nailed in the frame, and the frame is filled with the biomass straw material subjected to fire-proof treatment; the frame and the partition plate are provided with drill holes; the joints of the partition boards and the frame are provided with triangular wood blocks. The utility model discloses possess simple manufacture, the construction is fast, resources are saved, the cost is reduced, the advantage that accords with building industrialization development trend such as the production of the construction waste that significantly reduces.

Description

Light straw filled composite wallboard with good fire resistance

Technical Field

The utility model relates to a building structure technical field especially relates to a composite wall panel is filled to light straw that fire resistance can be good.

Background

The frame structure system is widely applied in the field of buildings in China, and the non-bearing filling wall is used as an indispensable part of the frame structure, so that the functions of enclosing and filling are achieved. The traditional concrete infilled wall mainly has the following problems:

1. the self weight is large;

2. the heat insulation performance is poor;

3. the requirements of sound insulation, fire resistance, light weight and the like are difficult to meet;

4. uncertainty caused by cast-in-place construction, construction time extension and construction waste.

Meanwhile, the straw is used for products of buildings or building materials to be transported in accordance with the current situations of huge annual yield and low utilization rate of the straw in China, air pollution caused by burning treatment of the waste straw and the like. However, most of the results of using straws in the field of construction at present are that straw fibers are used as modified admixture to be added into concrete, and the excellent performance of the straws as biomass materials is not fully exerted. And the straw prefabricated plate of the same type on the market today has the problems:

1. lack of fire resistance considerations for the panel while increasing dead weight;

2. lack of fire protection treatment for filled straw;

3. lack of aesthetic design;

4. the influence of load factors such as eccentric stress caused by installation and placement errors is not considered.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model provides a compound wallboard is filled to light straw that fire resistance is good, green, light weight, heat preservation, sound insulation, non-toxic, beautiful, sturdy and durable, moth-proof, corrosion-resistant, moisture-proof, water-resistant, machinability characteristics such as good.

The purpose of the utility model is realized through one of following technical scheme at least.

A light straw filled composite wallboard with good fire resistance comprises a middle layer, a calcium silicate board and a panel layer; the calcium silicate board is arranged on the upper surface and the lower surface of the middle layer, the panel layer is arranged on the upper surface and the lower surface of the calcium silicate board, and the middle layer is filled with biomass straw materials.

Further, the middle layer is a rectangular frame made of southern pine.

Furthermore, a plurality of partition plates are distributed in the frame at intervals, and biomass straw materials subjected to fireproof treatment are filled in the frame.

Further, drilling holes are formed in the frame and the partition plate.

Furthermore, triangular wood blocks are arranged at the joints of the partition boards and the frame.

Further, the panel layer is a wood wool sound absorption board.

Further, the calcium silicate board is adhered to the panel layer with a glass cement and fixed with nails.

Further, the calcium silicate board is fixed on the frame by nails.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the wood wool sound-absorbing board is used as a panel, the surface texture of the wood wool sound-absorbing board presents elegant texture and unique taste, the originality and idea of designers can be fully deduced, the attractiveness of the wallboard is ensured, meanwhile, the sound-absorbing rate can reach 1.00, and the wood wool sound-absorbing board has the functions of impact resistance, fire resistance, moisture resistance, heat insulation, heat preservation and the like while having a good sound-absorbing effect;

2. as a novel green environment-friendly building material, the calcium silicate board is a non-combustible A1-grade material, so that the board cannot burn and generate smoke in case of fire, and has good fire resistance; the straw filling layer is coated with fireproof materials, so that the defect that the straw and the wood frame are inflammable is effectively overcome;

3. the straw filling layer has good heat preservation and sound insulation performance, corresponds to the panel layer and meets the requirements of the partition wall with special functions;

4. the southern pine frame with the partition boards is used as a main stress component, is firm and durable, and can achieve sufficient structural strength while reducing the wood consumption.

5. As a prefabricated part, the wallboard has the advantages of being simple to manufacture, fast in construction, saving in resources, reducing in cost, greatly reducing in the generation of construction waste and the like, and accords with the development trend of building industrialization.

Drawings

FIG. 1 is a cross-sectional view of a light straw-filled composite wall panel with good fire resistance according to this embodiment;

FIG. 2 is a schematic view of an intermediate layer frame according to the present embodiment;

FIG. 3 is a schematic view of a frame prepared hole according to the present embodiment;

FIG. 4 is a schematic view of a hole for nailing a wood wool sound-absorbing board and a calcium silicate board according to the embodiment;

in the figure: a middle layer-1, a calcium silicate board-2, two panel layers-3 and a clapboard-4.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings and specific embodiments.

As shown in the figure, the light straw filled composite wallboard with good fire resistance comprises a middle layer, two calcium silicate boards and two panel layers; the calcium silicate board is arranged on the upper surface and the lower surface of the middle layer, and the panel layer is arranged on the upper surface and the lower surface of the calcium silicate board; the middle layer is a cuboid frame made of southern pine, four partition plates are nailed in the frame, biomass straw materials subjected to fire-proof treatment are filled in the frame, one layer of calcium silicate board is arranged on two sides of the frame filled with straws, the panel layer is a wood wool acoustic board, and the composite wallboard is filled with light straws and used as a filling wall in a frame structure system.

As shown in fig. 1, the material dimensions of each layer are respectively: the middle layer is 2440 × 610 × 100mm southern pine frame, the calcium silicate board is 2440 × 610 × 10mm, the panel layer is 2440 × 610 × 15mm wood wool acoustic board, and the wood wool acoustic board meets the conventional production size on the market, and the total size of the composite wallboard also meets the modulus, so that the popularization and the production are convenient.

As shown in fig. 2, four partitions 610 x 100 x 38mm are nailed at five equal points along the length of the frame to increase the strength of the wall panel. Meanwhile, the connecting parts of the partition boards and the frames are reinforced with small triangular wood blocks, so that the integrity of the partition boards and the frames is improved.

As shown in fig. 3, a total of 46 drilled holes were reserved in the frame and the partition, the holes were spaced about 200mm apart, and the calcium silicate plate was nailed thereto with 3.5 × 25 special nails.

As shown in figure 4, the wood wool sound-absorbing board is directly bonded with the calcium silicate board by glass cement and is fixed by gun nails at the position shown in the figure, the distance from the nails to the edge of the wood wool sound-absorbing board is 50mm, the distance between the nails is 225mm, and the integrity is enhanced.

In the embodiment, the straw board which has the effects of fire resistance, heat preservation and sound insulation and is subjected to special cold pressing and fire prevention treatment is filled in the board, and the straws are aired and compacted during filling, so that the heat preservation, fire resistance and sound insulation performance of the filled composite wallboard is improved.

The above embodiments of the present invention are merely examples for clearly illustrating the present invention and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. A light straw filled composite wallboard with good fire resistance is characterized by comprising an intermediate layer, a calcium silicate board and a panel layer; the calcium silicate board is arranged on the upper surface and the lower surface of the middle layer, the panel layer is arranged on the upper surface and the lower surface of the calcium silicate board, and the middle layer is filled with biomass straw materials.

2. The lightweight straw-filled composite wallboard with good fire resistance as claimed in claim 1, wherein the middle layer is southern pine cuboid frame.

3. The light straw-filled composite wallboard with good fire resistance property as claimed in claim 2, wherein a plurality of partition plates are distributed in the frame at intervals.

4. The light straw-filled composite wallboard with good fire resistance property as claimed in claim 3, wherein the frame and the partition board are provided with drilled holes.

5. The light straw-filled composite wallboard with good fire resistance performance as claimed in claim 3, wherein the connection part of the partition board and the frame is provided with a triangular wood block.

6. The lightweight straw-filled composite wallboard with good fire resistance as claimed in claim 1, wherein the panel layer is a wood wool acoustic panel.

7. A light straw-filled composite wall panel with good fire resistance as claimed in claim 1, wherein the calcium silicate board is adhered to the panel layer by glass cement and fixed by nails.

8. A light straw-filled composite wall panel with good fire resistance as claimed in claim 1, wherein the calcium silicate board is fixed to the frame by nails.