CN110170124A - Underground engineering structure external hanging type bilayer fire prevention system - Google Patents
Underground engineering structure external hanging type bilayer fire prevention system Download PDFInfo
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- CN110170124A CN110170124A CN201910514137.1A CN201910514137A CN110170124A CN 110170124 A CN110170124 A CN 110170124A CN 201910514137 A CN201910514137 A CN 201910514137A CN 110170124 A CN110170124 A CN 110170124A
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C3/00—Fire prevention, containment or extinguishing specially adapted for particular objects or places
- A62C3/02—Fire prevention, containment or extinguishing specially adapted for particular objects or places for area conflagrations, e.g. forest fires, subterranean fires
- A62C3/0278—Fire prevention, containment or extinguishing specially adapted for particular objects or places for area conflagrations, e.g. forest fires, subterranean fires by creating zones devoid of flammable material
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Abstract
The present invention provides a kind of underground engineering structure external hanging type bilayer fire prevention system, belongs to underground engineering and take precautions against natural calamities field.External hanging type bilayer fire prevention system is divided into plug-in fireprotection layer and interior extension fireprotection layer, and the two is connected by layer interconnecting piece one and layer interconnecting piece two；It is air thermal preservation insulating course between external hanging type fireprotection layer and construction wall, the fire-proof heat-insulating materials such as coal mine slag can be filled in air thermal preservation insulating course.That the beneficial effects of the invention are as follows fire protecting performances is good, stress performance is good; it is easily installed; it is easy replacement; it installs fast and convenient; entirety, which can effectively cut off the whole heat resistance of heat bridge enhancing using no heat bridge interconnection technique, can effectively reduce damage of the fire to urban underground space construction wall; the performance that makes to take precautions against natural calamities is obviously improved; the casualties and economic loss when fire occurs for underground structure can be effectively reduced again, are served as fire-proof and thermal-insulation filler material using coal mine slag and are consumed the waste material in mine and preserve the ecological environment, reduce resource and energy consumption.
Description
Technical field
Underground engineering of the present invention is taken precautions against natural calamities field, and in particular to a kind of underground engineering structure external hanging type bilayer fire prevention system.
Background technique
With the development of urban construction, a large amount of urban underground space is being built, and is built in urban underground space
Build more and more while applied and brought convenience to people's lives, the fire of urban underground space building is each in the world
Ground also frequently occurs, and urban underground space building fire is also made to locality other than causing huge damage to infrastructure
At serious casualties and huge property loss.And due to urban underground space limited escape condition of building itself and
Fire fighter enters the special circumstances such as the difficulty rescued when fire urban underground space building, requires urban underground space
Architectural design should take the safety measure of more systematization.
Underground structure was quickly grown in China in recent years, and numerous subways, Underground Urban Complex are built up in succession, and underground structure
Fire safety problem but be always underground structure be difficult to the difficulty overcome.
Fireproof coating is generallyd use at present, however the thickness of fireproof coating and thermal coefficient are limited, can not play at all
Effect effect.
Summary of the invention
The technical solution adopted by the invention is as follows:
A kind of underground engineering structure external hanging type bilayer fire prevention system includes: construction wall, plug-in fireprotection layer, interior extension fireprotection layer, layer
Interconnecting piece one, layer interconnecting piece two, expansion bolt, backing plate, air thermal preservation insulating course, reperfusion structure glue,
External hanging type bilayer fire prevention system is divided into two layers, respectively plug-in fireprotection layer and interior extension fireprotection layer,
The interior extension fireprotection layer outside rib, fire prevention plate face two, edges of boards link slot two, two internal layer trip of plate face, plate face two by covering
Five part of plate composition；
Rib is set in the middle part of interior extension fireprotection layer, and the left and right sides of rib is fire prevention plate face two, longitudinal uniform cloth in plate face two of preventing fires
Several through-holes are set, fire prevention two edges of boards of plate face hide outside the prefabricated plate face two in lower plate end along the prefabricated two internal layer trip of plate face in upper plate end
Cover board, two internal layer trip of plate face and the outer covering plate of plate face two surround edges of boards link slot two；Several lateral interior extension fireprotection layers it
Between fixed by one lower end of layer interconnecting piece；
Steel padding is a horizontal steel plate, is arranged in the longitudinal direction of fire prevention plate face two；Arrangement and fire-proof plate on steel padding
The corresponding through-hole in face two, expansion bolt pass through the two reserved through-hole and backing plate and interior extension fireprotection layer are fixed in construction wall
On wall；
Plug-in fireprotection layer is arranged on the outside of interior extension fireprotection layer, and plug-in fireprotection layer is contacted with building cavity；The plug-in fireprotection layer by
Plate face one of preventing fires and edges of boards link slot one, one internal layer trip of plate face, outer four part of covering plate of plate face one composition；In fire prevention plate face one
At the edges of boards of left and right, along the prefabricated one internal layer trip of plate face in lower plate end, along the outer covering plate of the prefabricated plate face one in upper plate end, one internal layer card of plate face
Tenon and the outer covering plate of plate face one surround edges of boards link slot one；
The layer interconnecting piece two is fixed on rib by expansion bolt；
Plug-in Fire-protection layer board end is connect by one upper end of layer interconnecting piece with interior extension Fire-protection layer board end；Plug-in fireprotection layer is another
Plate end is fixed on the interior rib for hanging fireprotection layer by layer interconnecting piece two；Pass through spaced apart layer between plug-in fireprotection layer
The upper end of interconnecting piece one and layer interconnecting piece two are fixed；
It is air thermal preservation insulating course between plug-in fireprotection layer, interior extension fireprotection layer.
Further, layer interconnecting piece one is main by snap-gauge outer layer link slot, connector one in plug-in layer outer card plate, plug-in layer
Snap-gauge, interior extension layer outer card plate, internal layer link slot composition in body, interior extension layer；
Snap-gauge in the prefabricated plug-in layer outer card plate in one main body upper end of connector and plug-in layer；Plug-in layer outer card plate is arranged in plug-in layer
The outside of interior snap-gauge；Snap-gauge and one main body of connector surround an outer layer link slot in plug-in layer outer card plate and plug-in layer；
Snap-gauge and interior extension layer outer card plate in the prefabricated interior extension layer in one lower body portion of connector；Interior extension layer outer card plate is arranged in interior extension layer
The outside of interior snap-gauge；
Snap-gauge and interior extension layer outer card plate and one main body of connector surround an internal layer link slot in interior extension layer；Outer layer connects groove width
Greater than one internal layer trip width of plate face, the width of internal layer link slot is greater than the width of two internal layer trip of plate face；
One layer of damping rubber pad is placed in outer layer link slot and internal layer link slot；
In the upper end of layer interconnecting piece one, one internal layer trip of plate face is inserted on the inside of outer layer link slot, and plug-in layer outer card plate is inserted into plate
One inside of side link slot, the outer covering plate of plate face one are sealed on above plug-in layer outer card plate；
In the lower end of layer interconnecting piece one, two internal layer trip of plate face is inserted on the inside of internal layer link slot, and snap-gauge is in plate face in interior extension layer
On the inside of two internal layer trips, interior extension layer outer card plate is stuck in two inside of edges of boards link slot, and the outer covering plate of plate face two is sealed in interior extension layer
Above snap-gauge.
Further, layer interconnecting piece two is by two main body of connector, upper snap-gauge, lower snap-gauge, link slot, dovetail groove, bolt
Hole composition；
The prefabricated lower snap-gauge of the prefabricated upper snap-gauge in two main body upper end of connector and lower end, upper snap-gauge and lower snap-gauge and connector two are main
Body surrounds a link slot；The upper snap-gauge surface middle part of two main body of connector reserves dovetail groove, on reserved dovetail groove vertically to
Lower prepared screw-bolt hole；The width of link slot is greater than the width of one internal layer trip of plate face, places one layer of damping rubber pad in link slot；
In two two sides of layer interconnecting piece；One internal layer trip of plate face is inserted on the inside of link slot, in upper snap-gauge insertion edges of boards link slot one
Side, in the lower part of one internal layer trip of plate face, the outer covering plate of plate face one is sealed on plug-in layer above snap-gauge lower snap-gauge；
Expansion bolt passes through the bolt hole reserved on layer interconnecting piece two and plug-in fireprotection layer is fixed on the interior rib for hanging fireprotection layer
On, expansion bolt is fixed in dovetail groove, and reperfusion structure glue is poured in dovetail groove；
Further, plug-in fireprotection layer is using rock wool as plate layer made of raw material, and rock wool board layer has given full play to rock wool core materials
Special performance with excellent fire prevention, heat preservation and sound absorption qualities, and has lower thermal coefficient, is preventing fires, thermal insulation separation
Heat, sound-adsorbing sound-insulating hung etc. have significant effect, have more reached high-quality, efficient, reliable, safe target.
Further, the interior raw material for hanging fireprotection layer are by aluminate cement, magnesia part, quartz sand, silica flour, silicon
Ash, water, water-reducing agent, basalt fibre, glass fibre composition.
Further, the bottom bearing plate is following raw material by made of following weight parts: 30 parts of aluminate cement,
28 parts of magnesia, 23 parts of quartz sand, 7 parts of silica flour, 6 parts of silicon ash, 8 parts of water, 0.78 part of water-reducing agent, 0.3 part of basalt fibre, glass
0.3 part of glass fiber.
Further, coal mine slag filler material is filled in air thermal preservation insulating course.
Further, the installation method of the double-deck fire prevention system of a kind of underground engineering structure external hanging type, including following step
It is rapid:
1) it hangs fireprotection layer in connect prior to construction wall, interior extension fireprotection layer outer layer is arranged steel padding and passed through by expansion bolt
Backing plate and interior extension fireprotection layer are fixed on construction wall by the reserved through-hole of the two；Mounting layer between fireprotection layer is hung in the left and right sides
Interconnecting piece one；
2) it is connect after plug-in fireprotection layer in interior extension fireprotection layer；Plug-in fireprotection layer end plate end is fixed on by layer interconnecting piece two
On the interior rib for hanging fireprotection layer；Plug-in fireprotection layer end plate end is fixed by layer interconnecting piece one and interior extension fireprotection layer；
3) start filling coal mine slag filler material in the longitudinal end of air thermal preservation insulating course and form loose porous coal mine slag thermal insulation layer.
Beneficial effects of the present invention:
That the beneficial effects of the invention are as follows fire protecting performances is good, stress performance is good, is easily installed, and is easy replacement, install it is fast and convenient, it is whole
Body, which can effectively cut off the whole heat resistance of heat bridge enhancing using no heat bridge interconnection technique, can effectively reduce fire to city
The damage of underground space building wall, the performance that makes to take precautions against natural calamities are obviously improved, and can effectively reduce underground structure and fire occurs
When casualties and economic loss, serve as the waste material protecting ecology ring that fire-proof and thermal-insulation filler material consumes mine using coal mine slag
Border reduces resource and energy consumption.
Detailed description of the invention
Fig. 1 is underground engineering structure external hanging type bilayer fire prevention system schematic diagram；
Fig. 2 is plug-in fire prevention schematic diagram of a layer structure；
Fig. 3 is interior extension fire prevention schematic diagram of a layer structure；
Fig. 4 is one structural schematic diagram of layer interconnecting piece；
Fig. 5 is one front view of layer interconnecting piece；
Fig. 6 is two structural schematic diagram of layer interconnecting piece；
Fig. 7 is two front view of layer interconnecting piece；
Fig. 8 is detail view at A；
Fig. 9 is layer interconnecting piece two and construction wall connection schematic diagram；
Figure 10 is that air thermal preservation insulating course fills coal mine slag filler material schematic diagram；
In figure: 1 is construction wall；2 be plug-in fireprotection layer；2-1 fire prevention plate face one；2-2 is edges of boards link slot one；2-3 is plate face
One internal layer trip；2-4 is the outer covering plate of plate face one；
3 be interior extension fireprotection layer；3-1 is rib；3-2 is fire prevention plate face two；3-3 is edges of boards link slot two；3-4 is two internal layer of plate face
Trip；3-5 is the outer covering plate of plate face two；
4 be layer interconnecting piece one；5 be layer interconnecting piece two；6 be expansion bolt；7 be backing plate；8 be air thermal preservation insulating course；9 are
Reperfusion structure glue；10 be coal mine slag filler material；
4-1 is plug-in layer outer card plate；4-2 is snap-gauge in plug-in layer；4-3 is outer layer link slot；4-4 is one main body of connector；4-5
For snap-gauge in interior extension layer；4-6 is interior extension layer outer card plate；4-7 is internal layer link slot；
5-1 is two main body of connector；5-2 is upper snap-gauge；5-3 is lower snap-gauge；5-4 is link slot；5-5 is dovetail groove；5-6 is spiral shell
Keyhole.
Specific embodiment
In order to further illustrate the present invention, the present invention is described in detail with reference to the accompanying drawings and embodiments, but not
They can be interpreted as limiting the scope of the present invention.
Embodiment: as shown in Fig. 1-Figure 10: a kind of underground engineering structure external hanging type bilayer fire prevention system includes: construction wall
1, plug-in fireprotection layer 2, interior extension fireprotection layer 3, layer interconnecting piece 1, layer interconnecting piece 25, expansion bolt 6, backing plate 7, air are protected
Warm insulating course 8, reperfusion structure glue 9,
External hanging type bilayer fire prevention system is divided into two layers, respectively plug-in fireprotection layer 2 and interior extension fireprotection layer 3,
The interior extension fireprotection layer 3 by rib 3-1, fire prevention two 3-2 of plate face, two 3-3 of edges of boards link slot, two internal layer trip 3-4 of plate face,
Outer five part covering plate 3-5 of plate face two composition；
Rib 3-1 is set in the middle part of interior extension fireprotection layer 3, and the left and right sides of rib 3-1 is fire prevention two 3-2 of plate face, and prevent fires two 3-2 of plate face
Upper longitudinal direction is evenly arranged several through-holes, and two 3-2 edges of boards of plate face of preventing fires are along the prefabricated two internal layer trip 3-4 of plate face in upper plate end, under
The plate end outer covering plate 3-5 of prefabricated plate face two, two internal layer trip 3-4 of plate face and the outer covering plate 3-5 of plate face two surround edges of boards link slot
Two 3-3；It is fixed between several lateral interior extension fireprotection layers 3 by one 4 lower end of layer interconnecting piece；
Steel padding 7 is a horizontal steel plate, is arranged in the longitudinal direction of fire prevention two 3-2 of plate face；It is arranged on steel padding 7 and anti-
The corresponding through-hole of fiery two 3-2 of plate face, expansion bolt 6 both pass through reserved through-hole and are fixed on backing plate 7 and interior extension fireprotection layer 3
On 1 inner wall of construction wall；
Plug-in fireprotection layer 2 is arranged in interior 3 outside of extension fireprotection layer, and plug-in fireprotection layer 2 is contacted with building cavity；The plug-in fireprotection layer
2 by one 2-2 of one 2-1 of fire prevention plate face and edges of boards link slot, one internal layer trip 2-3 of plate face, the outer tetra- part group of covering plate 2-4 of plate face one
At；At fire prevention one 2-1 of plate face or so edges of boards, along the prefabricated one internal layer trip 2-3 of plate face in lower plate end, along the prefabricated plate face one in upper plate end
Outer covering plate 2-4, one internal layer trip 2-3 of plate face and the outer covering plate 2-4 of plate face one surround one 2-2 of edges of boards link slot；
The layer interconnecting piece 25 is fixed on rib 3-1 by expansion bolt 6；
Plug-in 2 plate end of fireprotection layer is connect by one 4 upper end of layer interconnecting piece with interior 3 plate end of extension fireprotection layer；Plug-in fireprotection layer 2
Another plate end is fixed on the interior rib 3-1 for hanging fireprotection layer 3 by layer interconnecting piece 25；Between passing through between plug-in fireprotection layer 2
It is fixed every the upper end of the layer interconnecting piece 1 of arrangement and layer interconnecting piece 25；
It is air thermal preservation insulating course 8 between plug-in fireprotection layer 2, interior extension fireprotection layer 3；Coal mine slag is filled in air thermal preservation insulating course 8
Filler material 10；
Layer interconnecting piece 1 is by snap-gauge 4-2 in plug-in layer outer card plate 4-1, plug-in layer
Outer layer link slot 4-3, one main body 4-4 of connector, snap-gauge 4-5, interior extension layer outer card plate 4-6, internal layer link slot in interior extension layer
4-7 composition；
Snap-gauge 4-2 in the one prefabricated plug-in layer outer card plate 4-1 in the upper end main body 4-4 of connector and plug-in layer；Plug-in layer outer card plate 4-1
It is arranged in the outside of snap-gauge 4-2 in plug-in layer；Snap-gauge 4-2 and one main body 4-4 of connector in plug-in layer outer card plate 4-1 and plug-in layer
Surround an outer layer link slot 4-3；
Snap-gauge 4-5 and interior extension layer outer card plate 4-6 in the prefabricated interior extension layer in one lower end main body 4-4 of connector；Interior extension layer outer card plate 4-6
It is arranged in the outside of snap-gauge 4-5 in interior extension layer；
Snap-gauge 4-5 and interior extension layer outer card plate 4-6 and one main body 4-4 of connector surround an internal layer link slot 4-7 in interior extension layer；Outside
Layer link slot 4-3 width is greater than one internal layer trip 2-3 width of plate face, and the width of internal layer link slot 4-7 is greater than two internal layer card of plate face
The width of tenon 3-4；
One layer of damping rubber pad is placed in outer layer link slot 4-3 and internal layer link slot 4-7；
In the upper end of layer interconnecting piece 1, one internal layer trip 2-3 of plate face is inserted on the inside of outer layer link slot 4-3, plug-in layer outer card plate
4-1 is inserted on the inside of one 2-2 of edges of boards link slot, and the outer covering plate 2-4 of plate face one is sealed on above plug-in layer outer card plate 4-1；
In the lower end of layer interconnecting piece 1, two internal layer trip 3-4 of plate face is inserted on the inside of internal layer link slot 4-7, snap-gauge in interior extension layer
On the inside of two internal layer trip 3-4 of plate face, interior extension layer outer card plate 4-6 is stuck on the inside of two 3-3 of edges of boards link slot 4-5, is hidden outside plate face two
Cover board 3-5 is sealed in interior extension layer above snap-gauge 4-5；
Layer interconnecting piece 25 is by two main body 5-1 of connector, upper snap-gauge 5-2, lower snap-gauge 5-3, link slot 5-4, dovetail groove 5-5, spiral shell
Keyhole 5-6 composition；
The prefabricated upper snap-gauge 5-2 in two upper end main body 5-1 of connector and the prefabricated lower snap-gauge 5-3 in lower end, upper snap-gauge 5-2 and lower snap-gauge
5-3 and two main body 5-1 of connector surround a link slot 5-4；The upper snap-gauge 5-2 surface middle part of two main body 5-1 of connector is reserved
Dovetail groove 5-5, the prepared screw-bolt hole 5-6 straight down on reserved dovetail groove 5-5；The width of link slot 5-4 is greater than in plate face one
The width of layer trip 2-3, link slot 5-4 is interior to place one layer of damping rubber pad；
In 25 two sides of layer interconnecting piece；One internal layer trip 2-3 of plate face is inserted on the inside of link slot 5-4, and upper snap-gauge 5-2 is inserted into edges of boards
On the inside of one 2-2 of link slot, in the lower part of one internal layer trip 2-3 of plate face, the outer covering plate 2-4 of plate face one is sealed on outer lower snap-gauge 5-3
It hangs on layer above snap-gauge 5-2；
Expansion bolt 6 passes through the bolt hole 5-6 reserved on layer interconnecting piece 25 and plug-in fireprotection layer 2 is fixed on interior extension fireprotection layer 3
Rib 3-1 on, expansion bolt 6 is fixed in dovetail groove 5-5, and reperfusion structure glue 9 is poured in dovetail groove 5-5；
Plug-in fireprotection layer 2 is using rock wool as plate layer made of raw material, and rock wool board layer has given full play to the special performance of rock wool core materials,
Its with excellent fire prevention, heat preservation and sound absorption qualities, and have lower thermal coefficient, preventing fires, insulation, sound-absorbing every
Sound etc. has significant effect, has more reached high-quality, efficient, reliable, safe target.
The bottom bearing plate 3 is following raw material by made of following weight parts: 30 parts of aluminate cement, magnesia 28
Part, 23 parts of quartz sand, 7 parts of silica flour, 6 parts of silicon ash, 8 parts of water, 0.78 part of water-reducing agent, 0.3 part of basalt fibre, glass fibre
0.3 part.
A kind of installation method of the double-deck fire prevention system of underground engineering structure external hanging type, comprising the following steps:
1) it hangs fireprotection layer 3 in connect prior to construction wall 1, interior 3 outer layer of extension fireprotection layer arranges steel padding 7 and passes through expansion bolt
6, which pass through the reserved through-hole of the two, is fixed on backing plate 7 and interior extension fireprotection layer 3 on construction wall 1；Fireprotection layer 3 is hung in the left and right sides
Between mounting layer interconnecting piece 1；
2) it is connect after plug-in fireprotection layer 2 in interior extension fireprotection layer 3；Plug-in 2 end plate end of fireprotection layer is solid by layer interconnecting piece 25
It is scheduled on the interior rib 3-1 for hanging fireprotection layer 3；Plug-in 2 end plate end of fireprotection layer passes through layer interconnecting piece 1 and interior extension fireprotection layer 3
It is fixed；
3) start to fill coal mine slag filler material 10 that form loose porous coal mine slag heat-insulated in the longitudinal end of air thermal preservation insulating course 8
Layer.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (8)
1. a kind of underground engineering structure external hanging type bilayer fire prevention system include: construction wall (1), plug-in fireprotection layer (2), it is interior hang it is anti-
Fire bed (3), layer interconnecting piece one (4), layer interconnecting piece two (5), expansion bolt (6), backing plate (7), air thermal preservation insulating course
(8), reperfusion structure glue (9), it is characterised in that:
External hanging type bilayer fire prevention system is divided into two layers, respectively plug-in fireprotection layer (2) and interior extension fireprotection layer (3),
The interior extension fireprotection layer (3) is by rib (3-1), fire prevention plate face two (3-2), edges of boards link slot two (3-3), two internal layer of plate face
Trip (3-4), two outer covering plate (3-5) of plate face, five part composition；
Rib (3-1) is set in the middle part of interior extension fireprotection layer (3), the left and right sides of rib (3-1) is fire prevention plate face two (3-2), fire prevention
Several through-holes are longitudinally evenly arranged in plate face two (3-2), (3-2) edges of boards of plate face two of preventing fires are along prefabricated two internal layer of plate face in upper plate end
Trip (3-4), along the prefabricated two outer covering plate (3-5) of plate face in lower plate end, two internal layer trip (3-4) of plate face and the outer covering plate of plate face two
(3-5) surrounds edges of boards link slot two (3-3)；By under layer interconnecting piece one (4) between several lateral interior extension fireprotection layers (3)
End is fixed；
Steel padding (7) is a horizontal steel plate, is arranged in the longitudinal direction of fire prevention plate face two (3-2)；The cloth on steel padding (7)
Through-hole corresponding with fire prevention plate face two (3-2) is set, expansion bolt (6) passes through the reserved through-hole of the two for backing plate (7) and interior extension
Fireprotection layer (3) is fixed on construction wall (1) inner wall；
Plug-in fireprotection layer (2) is arranged on the outside of interior extension fireprotection layer (3), and plug-in fireprotection layer (2) contacts with building cavity；It is described plug-in
Fireprotection layer (2) outside fire prevention plate face one (2-1) and edges of boards link slot one (2-2), one internal layer trip (2-3) of plate face, plate face one by hiding
Four part of cover board (2-4) composition；At the fire prevention left and right plate face one (2-1) edges of boards, along the prefabricated one internal layer trip (2- of plate face in lower plate end
3), along the prefabricated one outer covering plate (2-4) of plate face in upper plate end, one internal layer trip (2-3) of plate face is enclosed with one outer covering plate (2-4) of plate face
At edges of boards link slot one (2-2)；
The layer interconnecting piece two (5) is fixed on rib (3-1) by expansion bolt (6)；
Plug-in fireprotection layer (2) plate end is connect by layer interconnecting piece one (4) upper end with interior extension fireprotection layer (3) plate end；It is plug-in
Another plate end of fireprotection layer (2) is fixed on the interior rib (3-1) for hanging fireprotection layer (3) by layer interconnecting piece two (5)；It is plug-in anti-
It is fixed by the upper end of spaced apart layer interconnecting piece one (4) and layer interconnecting piece two (5) between fire bed (2)；
It is between plug-in fireprotection layer (2), interior extension fireprotection layer (3) air thermal preservation insulating course (8).
2. a kind of underground engineering structure external hanging type bilayer fire prevention system according to claim 1, it is characterised in that: connect in layer
Fitting one (4) is by snap-gauge (4-2) in plug-in layer outer card plate (4-1), plug-in layer
It is outer layer link slot (4-3), one main body of connector (4-4), snap-gauge (4-5) in interior extension layer, interior extension layer outer card plate (4-6), interior
Layer link slot (4-7) forms；
Snap-gauge (4-2) in the prefabricated plug-in layer outer card plate (4-1) in the upper end one main body of connector (4-4) and plug-in layer；Outside plug-in layer
Snap-gauge (4-1) is arranged in the outside of snap-gauge (4-2) in plug-in layer；In plug-in layer outer card plate (4-1) and plug-in layer snap-gauge (4-2) with
One main body of connector (4-4) surrounds an outer layer link slot (4-3)；
Snap-gauge (4-5) and interior extension layer outer card plate (4-6) in the prefabricated interior extension layer in the lower end one main body of connector (4-4)；Outside interior extension layer
Snap-gauge (4-6) is arranged in the outside of snap-gauge (4-5) in interior extension layer；
Snap-gauge (4-5) and interior extension layer outer card plate (4-6) and one main body of connector (4-4) surround an internal layer link slot in interior extension layer
(4-7)；Outer layer link slot (4-3) width is greater than plate face one internal layer trip (2-3) width, and the width of internal layer link slot (4-7) is big
In the width of two internal layer trip (3-4) of plate face；
One layer of damping rubber pad is placed in outer layer link slot (4-3) and internal layer link slot (4-7)；
In the upper end of layer interconnecting piece one (4), one internal layer trip (2-3) of plate face is inserted on the inside of outer layer link slot (4-3), plug-in layer
Outer card plate (4-1) is inserted on the inside of edges of boards link slot one (2-2), and one outer covering plate (2-4) of plate face is sealed on plug-in layer outer card plate (4-
1) top；
In the lower end of layer interconnecting piece one (4), two internal layer trip (3-4) of plate face is inserted on the inside of internal layer link slot (4-7), interior extension layer
On the inside of two internal layer trip (3-4) of plate face, interior extension layer outer card plate (4-6) is stuck in edges of boards link slot two (3-3) interior snap-gauge (4-5)
Side, two outer covering plate (3-5) of plate face are sealed in interior extension layer above snap-gauge (4-5).
3. a kind of underground engineering structure external hanging type bilayer fire prevention system according to claim 1, it is characterised in that: connect in layer
Fitting two (5) is by two main body of connector (5-1), upper snap-gauge (5-2), lower snap-gauge (5-3), link slot (5-4), dovetail groove (5-5),
Bolt hole (5-6) composition；
The prefabricated lower snap-gauge (5-3) of the prefabricated upper snap-gauge (5-2) in the upper end two main body of connector (5-1) and lower end, upper snap-gauge (5-2)
A link slot (5-4) is surrounded with lower snap-gauge (5-3) and two main body of connector (5-1)；The upper snap-gauge of two main body of connector (5-1)
(5-2) surface middle part reserves dovetail groove (5-5), prepared screw-bolt hole (5-6) straight down on reserved dovetail groove (5-5)；Connection
The width of slot (5-4) is greater than the width of one internal layer trip (2-3) of plate face, places one layer of damping rubber pad in link slot (5-4)；
In layer interconnecting piece two (5) two sides；One internal layer trip (2-3) of plate face is inserted on the inside of link slot (5-4), upper snap-gauge (5-2)
It is inserted on the inside of edges of boards link slot one (2-2), lower snap-gauge (5-3) covers outside the lower part of one internal layer trip (2-3) of plate face, plate face one
Plate (2-4) is sealed on plug-in layer above snap-gauge (5-2)；
Plug-in fireprotection layer (2) is fixed on interior by the bolt hole (5-6) that expansion bolt (6) is reserved on layer interconnecting piece two (5)
On the rib (3-1) for hanging fireprotection layer (3), expansion bolt (6) is fixed in dovetail groove (5-5), casting perfusion in dovetail groove (5-5)
Structure glue (9).
4. a kind of underground engineering structure external hanging type bilayer fire prevention system according to claim 1, it is characterised in that: plug-in anti-
Fire bed (2) is using rock wool as plate layer made of raw material.
5. a kind of underground engineering structure external hanging type bilayer fire prevention system according to claim 1, it is characterised in that: in described
The raw material of fireprotection layer (3) are hung by aluminate cement, magnesia part, quartz sand, silica flour, silicon ash, water, water-reducing agent, basalt
Fiber, glass fibre composition.
6. a kind of underground engineering structure external hanging type bilayer fire prevention system according to claim 5, it is characterised in that: the bottom
Portion's bearing plate (3) is following raw material by made of following weight parts: 30 parts of aluminate cement, 28 parts of magnesia, quartz sand 23
Part, 7 parts of silica flour, 6 parts of silicon ash, 8 parts of water, 0.78 part of water-reducing agent, 0.3 part of basalt fibre, 0.3 part of glass fibre.
7. a kind of underground engineering structure external hanging type bilayer fire prevention system according to claim 1, it is characterised in that: air is protected
Coal mine slag filler material (10) are filled in warm insulating course (8).
8. a kind of installation method of underground engineering structure external hanging type bilayer fire prevention system according to claim 1, feature
It is: the following steps are included:
1) it hangs fireprotection layer (3) in connect prior to construction wall (1), interior extension fireprotection layer (3) outer layer is arranged steel padding (7) and passed through
Expansion bolt (6) passes through the two reserved through-hole and backing plate (7) and interior extension fireprotection layer (3) is fixed on construction wall (1)；Left and right
Mounting layer interconnecting piece one (4) between fireprotection layer (3) is hung in two sides；
2) it is connect after plug-in fireprotection layer (2) in interior extension fireprotection layer (3)；Plug-in fireprotection layer (2) end plate end passes through connection in layer
Part two (5) is fixed on the interior rib (3-1) for hanging fireprotection layer (3)；Plug-in fireprotection layer (2) end plate end passes through layer interconnecting piece one
(4) fixed with interior extension fireprotection layer (3)；
3) start to fill the loose porous coal mine slag of coal mine slag filler material (10) formation in the longitudinal end of air thermal preservation insulating course (8)
Thermal insulation layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910514137.1A CN110170124A (en) | 2019-06-14 | 2019-06-14 | Underground engineering structure external hanging type bilayer fire prevention system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910514137.1A CN110170124A (en) | 2019-06-14 | 2019-06-14 | Underground engineering structure external hanging type bilayer fire prevention system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110170124A true CN110170124A (en) | 2019-08-27 |
Family
ID=67697216
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910514137.1A Withdrawn CN110170124A (en) | 2019-06-14 | 2019-06-14 | Underground engineering structure external hanging type bilayer fire prevention system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110170124A (en) |
-
2019
- 2019-06-14 CN CN201910514137.1A patent/CN110170124A/en not_active Withdrawn
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Application publication date: 20190827 |