CN2510559Y

CN2510559Y - Plant-fiber plaster-board light-settl-keel fire-retardant partition wall

Info

Publication number: CN2510559Y
Application number: CN01279630.1U
Authority: CN
Inventors: 刘晋
Original assignee: Individual
Current assignee: Individual
Priority date: 2001-12-29
Filing date: 2001-12-29
Publication date: 2002-09-11
Anticipated expiration: 2011-12-29

Abstract

A plant fiber gypsum board fireproof division wall with light steel frame is provided, which is made of gypsum with plant fiber (wood fiber, economic plant fiber, and agriculture plant fiber) and formed by semi-dry pavement pressing. The utility model is a fireproof division wall made by the gypsum and the light-steel frame rock wool whose bulk density ranges from 1000 to 1350 kilogram per cubic meter. The two surfaces of the wall are provided with one layer or two layers of plant fiber reinforced gypsum boards. The interlayer is provided with light steel frame and rock wool, the distance between the vertical light steel frame of the light steel frame is 600 mm, and the distance between the horizontal light steel frame is 1000mm. The surface layer is provided with plant fiber reinforced gypsum board, and the thickness ranges from 8 mm to 16 mm. The inner layer is provided with plant fiber reinforced gypsum board, and the thickness ranges from 8 mm to 16 mm. The thickness of the middle light steel frame and the rock wool ranges from 50 to 100 mm. The advantages of the utility model are that, because of the simple structure, the whole weight of the wall is reduced, the construction difficulty is brought down, the construction time is decreased, and the engineering cost is cut down. The fireproof time reaches to 2.5 to 4 hours tested by the national authorized fire extinguishing system and refractory frame member quality supervision test center, which is up to the national construction fire proof standard and has a good heat preservation and sound insulation effect.

Description

String gypsum plank lightgage steel joist fire stop

Affiliated field

The utility model belongs to fire stop, and is particularly a kind of with the lightgage steel joist fire stop of string as the plaster plate making of reinforcing rib--string gypsum plank lightgage steel joist fire stop.

Background technology

At present, the fire stop of the existing lightgage steel joist Thistle board of construction market and other sheet material, its structure is comparatively complicated, surface layer is too much with the flaggy number, the lightgage steel joist consumption is more, constructional difficulties, body of wall is blocked up, weight is excessive, and construction cost is too high, is therefore restricting the development that constantly develops the intelligent high-rise super highrise building of high-tech that emerges in large numbers, for adapting to this growth requirement, the Ministry of Construction unites and has issued new building fire protection standard, and is enforceable execution rules by the Ministry of Public Security on October 1st, 95 in country.At the present situation of new laws and regulations requirement and fire-proof wall technological lag, we are through experiment repeatedly and the research in 5 years, have invented with a kind of environment protection plant fibre gypsum plank to add the light fire-proof body of wall that lightgage steel joist rock wool (mineral wool) is made.

Summary of the invention

The purpose of this utility model provides a kind of string gypsum plank lightgage steel joist fire stop, in order to promote and develop the string gypsum plank of environment-friendly type, make a kind of fire-proof wall of environment-friendly type with it, be that every of body of wall adds an amount of lightgage steel joist with individual layer or double sheets and rock wool (mineral wool) can reach fire prevention 2.5～4 hours, and material is easily purchased cheap, and is in light weight, simple in structure, be convenient to design, the environmental type fire-proof wall of being convenient to install.Thereby it is big to have overcome existing sheet material wall weight, and thickness is big, and the body of wall surface layer is many, and the materials for wall difficulty is sought, and construction is complicated, the shortcoming that cost is high.The purpose of this utility model is achieved in that

A kind of string gypsum plank lightgage steel joist rock wool fire stop, it is characterized in that: the two sides of fire stop respectively is to be lightgage steel joist and rock wool in the middle of one deck or the two-layer string gypsum plank (surface layer and internal layer), its lightgage steel joist has along the top keel with along the ground keel, between top keel and ground, edge keel is vertical keel, spacing is 600mm～610mm between the vertical keel, optimal spacing is 600mm between the vertical keel, surface layer string gypsum plank thickness is 8～16mm, internal layer string gypsum plank thickness is 8～16mm, and middle lightgage steel joist and the thickness of rock wool (mineral wool) are 50～100mm.A, surface layer string gypsum plank optimum thickness are 15mm, and middle lightgage steel joist and rock wool optimum thickness are 100mm, and the best gross thickness of body of wall is 130mm, and its fireproof performance can reach 2.5 hours.B, surface layer string gypsum plank optimum thickness are 10mm, and internal layer string gypsum plank optimum thickness is 12mm, and middle lightgage steel joist rock wool (mineral wool) optimum thickness is 100mm, and the best gross thickness of body of wall is 144mm, and its fireproof performance can reach 3 hours.C, surface layer string gypsum plank optimum thickness are 15mm, and internal layer string gypsum plank optimum thickness is 15mm, and middle lightgage steel joist rock wool (mineral wool) optimum thickness is 100mm, and the best gross thickness of body of wall is 160mm, and its fireproof performance can reach 4 hours.The utility model has the advantages that:

This kind structure has not only reduced the number of plies of fire wall panel, has reduced the consumption of lightgage steel joist, has reduced wall weight thickness, lowered the difficulty of design and construction, reduced the environmental protection of building comprehensive cost and having reached body of wall, heat preservation energy-saving, the good result of moistureproof sound insulation, be that the time of preventing fires at present is the longest, structure is the simplest, and weight is the lightest, and thickness is the thinnest, cost is minimum, the light fire-proof body of wall that combination property is the most complete.

Description of drawings Fig. 1 is that string gypsum plank lightgage steel joist fire stop schematic diagram Fig. 2 is a string gypsum plank lightgage steel joist fire stop vertical sectional view

Embodiment:

A kind of with the lightgage steel joist fire-proof light partition wall of string as the plaster plate making of reinforcing rib, the light fire-proof partition two sides respectively is one deck or two-layer string gypsum plank surface layer 1 and internal layer 2, middle rock wool (mineral wool) 3, lightgage steel joist has along top keel 4 with along ground keel 5, between top keel and ground, edge keel is in the vertical keel 6 vertical keel horizontal keel 7 to be installed, vertical keel spacing is 600mm～610mm, optimal spacing between the vertical keel is 600mm, the lightgage steel joist of light fire-proof partition increases 200mm than the lightgage steel joist 400mm spacing of common fire wall, and fire-proof wall just can reduce part heat conduction carrier for every square metre like this.The string gypsum plank thickness of surface layer 1 is 8～16mm, and the string gypsum plank thickness of internal layer 2 is 8～16mm, and middle lightgage steel joist and the thickness of rock wool are 50～100mm.The string gypsum plank optimum thickness of A, surface layer is 15mm, and the optimum thickness of middle lightgage steel joist rock wool (mineral wool) is 100mm, and the best gross thickness of body of wall is 130mm, and fire prevention can reach 2.5 hours.The string gypsum plank optimum thickness of B, surface layer is 10mm, and the vegetable fibre board optimum thickness of internal layer is 12mm, and the optimum thickness of middle lightgage steel joist rock wool (mineral wool) is 100mm, and the best gross thickness of body of wall is 144mm, and fire prevention can reach 3 hours.The string gypsum plank optimum thickness of C, surface layer is 15mm, and the vegetable fibre board optimum thickness of internal layer is 15mm, and the optimum thickness of middle lightgage steel joist rock wool (mineral wool) is 100mm, and the best gross thickness of body of wall is 160mm, and fire prevention can reach 4 hours.String gypsum plank lightgage steel joist fire wall, fire prevention principle:

Gypsum in the string gypsum plank has certain refractoriness and relatively low thermal conductivity, body of wall heartwood rock wool (mineral wool) then has better flame resistant characteristic, the combination of the two material makes fire-proof wall possess the technical characterstic of flame resistant and low heat conductivity, so but do not utilized the supporting core of lightgage steel joist as fire-proof wall because of it has stiffness, because it is fast that lightgage steel joist is met fire back heat energy conduction of velocity, stiffness descends rapidly, so difficult point that how much becomes this technology of keel, keel too much can cause the body of wall thermal energy transfer excessive, cause body of wall to be punctured by heat energy, keel are crossed that I haven't seen you for ages and are caused body of wall to meet fiery back wall insufficient strength body of wall and subside, determined the number of plies of the optimal spacing and the panel of lightgage steel joist according to lot of data through the repeated multiple times research experiment for this reason, make panel, keel, rock wool three's advantage has obtained sufficient combination, make body of wall only just can keep out 2.5～4 hours continuous burning of 1200 degree high temperature with 130～160mm thickness, reaching body of wall does not have puncture not have and subsides, and carries on the back the national building fire protection codes and standards that fiery face wall dignity layer temperature is no more than 140 degree.

Claims

1. A plant fiber gypsum board light steel keel fireproof partition wall, characterized in that: the two sides of the fireproof partition wall are respectively one or two layers of gypsum board surface and inner layer with plant fiber as reinforcement, and the middle is light steel The keel and rock wool or mineral wool, the light steel keel has a top keel and a ground keel, a vertical keel is installed between the top keel and the ground keel, and a horizontal keel is installed between the vertical keels. The spacing between them is 600mm ~ 610mm, and the spacing between the transverse keels is 1000mm.

2. The plant fiber gypsum board light steel keel fireproof partition wall according to claim 1, characterized in that: the optimum distance between vertical keels is 600mm.

3. The plant fiber gypsum board light steel keel fireproof partition wall according to claim 1 or 2, characterized in that: the thickness of the gypsum board with plant fiber as the reinforcing rib is 8-16mm, and the inner layer is made of plant fiber The thickness of the gypsum board used as reinforcement is 8-16mm, and the thickness of the light steel keel and rock wool or mineral wool in the middle is 50-100mm.

4. The light steel keel fireproof partition wall made of gypsum board with plant fiber as reinforcement according to claim 1 or 2, characterized in that the optimal thickness of the gypsum board with plant fiber as reinforcement for the surface layer is 15mm , the optimal thickness of the middle light steel keel and rock wool or mineral wool is 100mm, the optimal total thickness of the wall is 130mm, and its fire protection standard is 2.5 hours.

5. According to claim 1 or 2, the light steel keel fireproof partition wall made of gypsum board with plant fiber as reinforcement is characterized in that the optimum thickness of gypsum board with plant fiber as reinforcement in the surface layer is 10mm, The best thickness of gypsum board with plant fiber as reinforcement in the inner layer is 12mm, the best thickness of light steel keel and rock wool or mineral wool in the middle is 100mm, the best total thickness of the wall is 144mm, and its fire protection standard is 3 Hour.

6. According to claim 1 or 2, the light steel keel fireproof partition wall made of gypsum board with plant fiber as reinforcement is characterized in that the optimal thickness of gypsum board with plant fiber as reinforcement in the surface layer is 15mm, The best thickness of gypsum board with plant fiber as reinforcement in the inner layer is 15mm, the best thickness of light steel keel and rock wool or mineral wool in the middle is 100mm, the best total thickness of the wall is 160mm, and its fire protection standard is 4 Hour.