CN211591598U - Underground works structure joins externally fire prevention superimposed sheet - Google Patents
Underground works structure joins externally fire prevention superimposed sheet Download PDFInfo
- Publication number
- CN211591598U CN211591598U CN201920892977.7U CN201920892977U CN211591598U CN 211591598 U CN211591598 U CN 211591598U CN 201920892977 U CN201920892977 U CN 201920892977U CN 211591598 U CN211591598 U CN 211591598U
- Authority
- CN
- China
- Prior art keywords
- plate
- layer
- fireproof
- fire prevention
- hanger
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Building Environments (AREA)
Abstract
The utility model discloses an underground works structure external fire prevention superimposed sheet, including the thermal-insulated superimposed sheet of fire prevention, the connecting piece between the board, building wall, outrigger, the installation stores pylon, shock attenuation cushion and air heat preservation partition layer, the thermal-insulated superimposed sheet of fire prevention includes the thermal-insulated superimposed sheet of fire prevention one and the thermal-insulated superimposed sheet of fire prevention two, wherein the thermal-insulated superimposed sheet of fire prevention one comprises three-layer fire prevention heat insulating board, the first layer is the inlayer PLASTIC LAMINATED, the second floor is the glass fiber layer, the third layer is the fire prevention rubber layer, the thermal-insulated superimposed sheet of three-layer fire prevention is connected through the connecting piece between the board and the even equidistance of connecting piece between the board. The utility model discloses fire behavior is good, atress performance is good, the installation of being convenient for, and easy replacement, the installation is simple and convenient fast, and effectual less conflagration makes the fire prevention disaster prevention performance show the promotion to the damage of underground pipe gallery body, improves the fire resistance of city piping lane structure itself, perfect accuse fire system.
Description
Technical Field
The utility model belongs to underground works disaster prevention field, concretely relates to external fire prevention superimposed sheet of underground works structure.
Background
Along with the development of urban construction, a large number of urban pipe galleries are being constructed, and when the urban pipe galleries are more and more applied and bring convenience to the lives of people, the fires of the urban pipe galleries frequently occur all over the world, and the fires of the urban pipe galleries cause serious casualties and huge property losses to the local places besides causing huge damage to the infrastructure. And because the limited condition of fleing and the special circumstances such as the difficulty of carrying out the rescue when fire fighter gets into conflagration city piping lane of city piping lane itself all require city piping lane design to take more systematic safety measure.
In recent years, underground structures develop rapidly in China, a plurality of subways and underground complexes are built in succession, and the fire prevention problem of the underground structures is always difficult to overcome.
At present, the fireproof coating is generally adopted, but the thickness and the heat conductivity coefficient of the fireproof coating are limited, and the fireproof coating cannot play an effective role at all.
SUMMERY OF THE UTILITY MODEL
The utility model adopts the technical scheme as follows:
underground works structure external fire prevention superimposed sheet, including the thermal-insulated superimposed sheet of fire prevention, the connecting piece between the board, building wall, outrigger, the installation stores pylon, shock attenuation cushion and air insulation partition layer, the thermal-insulated superimposed sheet of fire prevention includes the thermal-insulated superimposed sheet of fire prevention one and the thermal-insulated superimposed sheet of fire prevention two, wherein the thermal-insulated superimposed sheet of fire prevention one comprises three-layer fire prevention heat insulating board, the first layer is the inlayer PLASTIC LAMINATED, the second floor is the glass fiber layer, the third layer is the fire prevention rubber layer, the thermal-insulated superimposed sheet of three-layer fire prevention is connected through connecting piece between the board and the even equidistance of connecting piece between the board arranges on.
Furthermore, the outrigger consists of a wall fixing plate I, a split air groove, a bracket main body, a bracket inner clamping plate, a bracket outer clamping plate, a bracket connecting groove, a lap joint platform and ribs; the height of the lower end of the outer clamping plate of the bracket is greater than that of the lower end of the inner clamping plate of the bracket; the upper end part of each rib is connected with the lap joint platform, the lower end part of each rib is connected with the outer clamping plate of the support, part of the support main body of the outrigger extends to the outer side of the fireproof heat-insulation laminated slab to form the lap joint platform, the other part of the support main body cuts off the air heat-insulation partition layer, the fireproof heat-insulation laminated slab at the lower side is installed before the outrigger, and the fireproof heat-insulation laminated slab at the upper side is installed after the outrigger;
installing an outrigger on a building wall through a first wall fixing plate by using an installing bolt, wherein the first wall fixing plate of the outrigger is positioned at the inner side of a fireproof heat-insulation laminated slab installed later, the first wall fixing plate is prefabricated with a support main body, an inner clamping plate and an outer clamping plate of the support are prefabricated in the middle of the support main body, a support connecting groove is formed by the inner clamping plate of the support and the outer clamping plate of the support and the support main body in a surrounding manner, the width of the support connecting groove is slightly larger than that of the fireproof heat-insulation laminated slab, and a layer.
Furthermore, the mounting hanger comprises six parts, namely a mounting bolt, a wall fixing plate II, a hanger main body, a hanger inner clamping plate, a hanger outer clamping plate and a plate inner connecting groove; the lower side of the fireproof heat-insulation laminated slab is installed before the installation hanging rack, and the upper side of the fireproof heat-insulation laminated slab is installed after the installation hanging rack;
the mounting rack is mounted on a building wall through a second wall fixing plate by using mounting bolts, the second wall fixing plate for mounting the rack is positioned on the inner side of a fireproof heat-insulation laminated slab mounted later, the second wall fixing plate is prefabricated with a rack main body, an inner rack clamping plate and an outer rack clamping plate are prefabricated at the extending end of the rack main body, the inner rack clamping plate and the outer rack clamping plate and the rack main body enclose an inner board connecting groove, the width of the inner board connecting groove is slightly larger than that of the inner fireproof plate, and a layer of damping rubber mat is placed in the inner board connecting groove;
and a plate edge connecting groove matched with the shape of the hanger outer clamping plate is prefabricated on the inner-layer fireproof plate along the plate edge in the longitudinal direction.
Further, the glass fiber layer is made of a carbon fiber net, a glass fiber net or a basalt fiber net.
Further, the thickness of the inner-layer fireproof plate is 16-17 mm.
The inner-layer fireproof plate is prepared from the following raw materials in parts by weight:
further, 28-32 parts of aluminate cement, 25-30 parts of magnesium oxide, 22.6-24.5 parts of quartz sand, 6-8 parts of quartz powder, 5-8 parts of silica fume, 8-9 parts of water, 0.75-0.80 part of water reducing agent, 0.15-0.40 part of basalt fiber and 0.20-0.40 part of glass fiber.
Further, the inner-layer fireproof plate is prepared from the following raw materials in parts by weight:
30 parts of aluminate cement, 28 parts of magnesium oxide, 23 parts of quartz sand, 7 parts of quartz powder, 6 parts of silica fume, 8 parts of water, 0.78 part of water reducing agent, 0.3 part of basalt fiber and 0.3 part of glass fiber.
The utility model has the advantages and beneficial effects that:
the utility model discloses an external fireproof laminated slab of an underground engineering structure consists of multiple layers of fireproof and heat-insulating materials which are connected through connecting pieces between plates; the two sides of the mounting rack are respectively provided with an external fireproof laminated plate, wherein the external fireproof plate at one side is mounted before the mounting rack, and the external fireproof plate at the other side is mounted after the mounting rack; adopt construction bolt to install the stores pylon through wall body fixed plate on building wall, for air heat preservation partition layer between outer hanging PLASTIC LAMINATED and the building wall, the thickness on air heat preservation partition layer is 1~3 times of fire prevention coincide board thickness. The utility model discloses the external fire prevention superimposed sheet fire behavior of underground works structure is good, the atress performance is good, the installation of being convenient for, the easy replacement, the installation is quick simple and convenient, effectual less conflagration to the damage of underground pipe gallery body, makes the fire prevention disaster prevention performance show the promotion, improves the fire resistance of city piping lane structure itself, perfect accuse fire system, casualties and economic loss when can effectual reduction underground structure the conflagration take place.
Drawings
FIG. 1 is a schematic view of the connection between an external fireproof composite slab of an underground engineering structure and a building wall;
FIG. 2 is a front view of the connection between the external fireproof composite slab of the underground engineering structure and the building wall;
FIG. 3 is a schematic view of a fire protection system of an external fire protection composite slab of an underground engineering structure;
FIG. 4 is a schematic view of a fire-proof heat-insulating laminated board;
FIG. 5 is a schematic view of an outrigger configuration;
FIG. 6 is a front view of an outrigger structure;
FIG. 7 is a schematic view of a mounting hanger configuration;
FIG. 8 is a front view of the mounting hanger configuration;
FIG. 9 is a schematic view of the fireproof and heat-insulating laminated slab being connected to an outrigger;
FIG. 10 is a schematic view of the connection between the fire-proof and heat-insulating laminated slab and the installation hanger.
In the figure, 1 is a fireproof heat-insulation laminated slab; 1-1 is a fireproof heat-insulation laminated slab I; 1-1-1 is an inner layer fireproof plate; 1-1-2 is a glass fiber layer; 1-1-3 is a fireproof rubber layer; 1-1-4 is a plate edge connecting groove; 1-1-5 is the outer edge of the plate edge; 1-2 is a fireproof heat-insulation laminated slab II; 2 is a connecting piece between plates; 3, building wall; 4 is an outrigger; 4-1 is a first wall fixing plate; 4-2 is a divided air slot; 4-3 is a main body of the bracket; 4-4 is an inner clamping plate of the bracket; 4-5 is a bracket outer clamping plate; 4-6 are bracket connecting grooves; 4-7 are lapping platforms; 4-8 are ribs; 5 is an installation hanging rack; 5-1 is a mounting bolt; 5-2 is a second wall fixing plate; 5-3 is a hanging rack main body; 5-4 is an inner clamping plate of the hanging rack; 5-5 is a hanging rack outer clamping plate; 5-6 are connecting grooves in the plate; 6 is a shock-absorbing rubber cushion; 7 is an air heat-insulating partition layer.
Detailed Description
For further explanation of the present invention, the following detailed description of the present invention is provided with reference to the drawings and examples, which should not be construed as limiting the scope of the present invention.
Example 1:
as shown in figures 1-3, the utility model discloses underground works structure external fire prevention superimposed sheet, including the thermal-insulated superimposed sheet of fire prevention 1, inter-plate connecting piece 2, building wall 3, outrigger 4, installation stores pylon 5, cushion 6 and air heat preservation partition layer 7, the thermal-insulated superimposed sheet of fire prevention 1 includes the thermal-insulated superimposed sheet of fire prevention 1-1 and the thermal-insulated superimposed sheet of fire prevention two 1-2.
As shown in figure 4, the fireproof heat-insulation laminated slab I1-1 is composed of three layers of fireproof heat-insulation plates, the first layer is an inner fireproof plate 1-1-1, the second layer is a glass fiber layer 1-1-2, the third layer is a fireproof rubber layer 1-1-3, the three layers of fireproof heat-insulation plates are connected through inter-plate connecting pieces 2, the inter-plate connecting pieces 2 are uniformly arranged on the plates at equal intervals, and the fireproof heat-insulation laminated slab 1 is connected with a building wall 3 through an outrigger 4 and a mounting hanger 5. The structural principle and the material composition of the fireproof heat-insulation laminated slab I1-1 and the fireproof heat-insulation laminated slab II 1-2 are the same.
As shown in fig. 5 and 6, the outrigger 4 is composed of eight parts, namely a wall fixing plate I4-1, a split air groove 4-2, a bracket main body 4-3, a bracket inner clamping plate 4-4, a bracket outer clamping plate 4-5, a bracket connecting groove 4-6, an overlapping platform 4-7 and a rib 4-8; the height of the lower end of the outer clamping plate 4-5 of the bracket is greater than that of the lower end of the inner clamping plate 4-4 of the bracket; the upper end parts of the ribs 4-8 are connected with lap joint platforms 4-7, the lower end parts of the ribs 4-8 are connected with support outer clamping plates 4-5, part of support main bodies 4-3 of the outriggers 4 extend to the outer side of the fireproof heat-insulation laminated slab 1 to form lap joint platforms 4-7, the other part of support main bodies 4-3 cut off an air heat-insulation partition layer 7, wherein the lower fireproof heat-insulation laminated slab 1 is installed before the outriggers 4, and the upper fireproof heat-insulation laminated slab 1 is installed after the outriggers 4;
an outrigger 4 is installed on a building wall 3 through a wall fixing plate I4-1 by using an installation bolt, the wall fixing plate I4-1 of the outrigger 4 is positioned at the inner side of a fireproof heat-insulation laminated slab 1 installed later, the wall fixing plate I4-1 is prefabricated with a support main body 4-3, a support inner clamping plate 4-4 and a support outer clamping plate 4-5 are prefabricated in the middle of the support main body 4-3, the support inner clamping plate 4-4 and the support outer clamping plate 4-5 and the support main body 4-3 enclose a support connecting groove 4-6, the width of the support connecting groove 4-6 is slightly larger than that of the fireproof heat-insulation laminated slab 1, and a layer of shock-absorbing rubber cushion 6 is placed in the support connecting groove 4.
As shown in FIG. 9, when the outrigger 4 is connected to the fireproof and heat-insulating composite slab 1, the entire outer edge of the fireproof and heat-insulating composite slab 1 is clamped in the outrigger connection groove 4-6 with the cushion rubber 6.
As shown in fig. 7, 8 and 10, the mounting hanger 5 consists of six parts, namely a mounting bolt 5-1, a wall fixing plate two 5-2, a hanger main body 5-3, a hanger inner clamping plate 5-4, a hanger outer clamping plate 5-5 and a plate inner connecting groove 5-6; the structure of the inner hanger clamping plate 5-4 is the same as that of the outer hanger clamping plate 5-5; the partial stores pylon main part 5-3 of installation stores pylon 5 is installed in the thermal-insulated superimposed sheet 1 board of fire prevention, and another partial stores pylon main part 5-3 cuts off air heat preservation partition layer 7, forms the partition layer and divides the chamber, and wherein the thermal-insulated superimposed sheet of downside fire prevention 1 is installed before installation stores pylon 5, and the thermal-insulated superimposed sheet of upside fire prevention is installed in installation stores pylon 5 afterwards.
The installation hanging rack 5 is installed on a building wall 3 through a second wall fixing plate 5-2 by adopting an installation bolt 5-1, the second wall fixing plate 5-2 of the installation hanging rack 5 is positioned at the inner side of a rear-installed fireproof heat insulation laminated slab 1, the second wall fixing plate 5-2 is prefabricated with a hanging rack main body 5-3, an extension end of the hanging rack main body 5-3 is prefabricated with an inner hanging board 5-4 and an outer hanging board 5-5, the inner hanging board 5-4, the outer hanging board 5-5 and the hanging rack main body 5-3 enclose an inner board connecting groove 5-6, the width of the inner board connecting groove 5-6 is slightly larger than that of the inner layer fireproof board 1-1-1, and a layer of shock absorption rubber cushion is arranged in the inner board connecting groove 5-6.
And a plate edge connecting groove 1-1-4 matched with the shape of the hanger external clamping plate 5-5 is prefabricated on the inner layer fireproof plate 1-1-1 along the plate edge in the longitudinal direction.
When the hanging rack 5 is installed and connected with the fireproof heat-insulation laminated slab 1, the outer edge 1-1-5 of the edge of the inner layer fireproof slab 1-1-1 is clamped in the in-slab connecting groove 5-6 with the shock-absorbing rubber mat, and the outer hanging rack clamping plate 5-5 is placed in the in-slab connecting groove 1-1-4.
The support main body 4-3 and the hanging rack main body 5-3 jointly act to cut off the air heat preservation partition layer 7 on the inner side of the fireproof heat insulation laminated slab 1 to form a small partition layer sub-cavity, so that the convection phenomenon of heated air in a fire disaster is prevented. The glass fiber layers 1-1-2 are made of carbon fiber nets, glass fiber nets or basalt fiber nets. The thickness of the inner layer fireproof plate 1-1-1 is 16-17 mm.
The inner layer fireproof plate 1-1-1 is prepared from the following raw materials in parts by weight:
30 parts of aluminate cement, 28 parts of magnesium oxide, 23 parts of quartz sand, 7 parts of quartz powder, 6 parts of silica fume, 8 parts of water, 0.78 part of water reducing agent, 0.3 part of basalt fiber and 0.3 part of glass fiber.
Example 2:
this example differs from example 1 only in the parts by weight of the raw material components of the inner fire protection plate.
The inner layer fireproof plate 1-1-1 is prepared from the following raw materials in parts by weight:
28 parts of aluminate cement, 30 parts of magnesium oxide, 24.5 parts of quartz sand, 8 parts of quartz powder, 8 parts of silica fume, 9 parts of water, 0.80 part of water reducing agent, 0.40 part of basalt fiber and 0.40 part of glass fiber.
The rest is the same as example 1.
Example 3:
this example differs from example 1 only in the parts by weight of the raw material components of the inner fire protection plate.
The inner layer fireproof plate 1-1-1 is prepared from the following raw materials in parts by weight:
32 parts of aluminate cement, 25 parts of magnesium oxide, 22.6 parts of quartz sand, 6 parts of quartz powder, 5 parts of silica fume, 8 parts of water, 0.75 part of water reducing agent, 0.15 part of basalt fiber and 0.20 part of glass fiber.
The rest is the same as example 1.
Claims (5)
1. Underground works structure joins externally fireproof superimposed sheet, its characterized in that: the fireproof heat-insulation composite plate comprises a fireproof heat-insulation composite plate (1), an inter-plate connecting piece (2), a building wall body (3), an outrigger (4), an installation hanging frame (5), a damping rubber mat (6) and an air heat-insulation partition layer (7), wherein the fireproof heat-insulation composite plate (1) comprises a fireproof heat-insulation composite plate I (1-1) and a fireproof heat-insulation composite plate II (1-2), the fireproof heat-insulation composite plate I (1-1) is composed of three layers of fireproof heat-insulation plates, the first layer is an inner fireproof plate (1-1-1), the second layer is a glass fiber layer (1-1-2), the third layer is a fireproof rubber layer (1-1-3), the three layers of fireproof heat-insulation plates are connected through the inter-plate connecting piece (2), and the inter-; the fireproof heat-insulation laminated slab (1) is connected with a building wall body (3) through an outrigger (4) and a mounting hanger (5).
2. The underground works structure external fire prevention superimposed sheet of claim 1, characterized in that: the outer extending support (4) consists of a wall fixing plate I (4-1), air dividing grooves (4-2), a support main body (4-3), a support inner clamping plate (4-4), a support outer clamping plate (4-5), a support connecting groove (4-6), a lap joint platform (4-7) and ribs (4-8); the height of the lower end of the outer clamping plate (4-5) of the bracket is greater than that of the lower end of the inner clamping plate (4-4) of the bracket; the upper end parts of the ribs (4-8) are connected with the lap joint platforms (4-7), the lower end parts of the ribs (4-8) are connected with the support outer clamping plates (4-5), part of support main bodies (4-3) of the outriggers (4) extend to the outer side of the fireproof heat-insulation laminated slab (1) to form the lap joint platforms (4-7), the other part of support main bodies (4-3) cut off the air heat-insulation partition layer (7), wherein the lower fireproof heat-insulation laminated slab (1) is installed before the outriggers (4), and the upper fireproof heat-insulation laminated slab (1) is installed after the outriggers (4);
installing an outrigger (4) on a building wall (3) through a wall fixing plate I (4-1) by using an installation bolt, wherein the wall fixing plate I (4-1) of the outrigger (4) is positioned at the inner side of a fireproof heat-insulation laminated slab (1) installed later, the wall fixing plate I (4-1) and a support main body (4-3) are prefabricated together, an inner support clamping plate (4-4) and an outer support clamping plate (4-5) are prefabricated in the middle of the support main body (4-3), the inner support clamping plate (4-4) and the outer support clamping plate (4-5) and the support main body (4-3) are enclosed to form a support connecting groove (4-6), the width of the support connecting groove (4-6) is slightly larger than that of the fireproof heat-insulation laminated slab (1), and a layer of shock-absorbing rubber mat (6) is arranged in the support.
3. The underground works structure external fire prevention superimposed sheet of claim 1, characterized in that: the mounting hanger (5) consists of six parts, namely a mounting bolt (5-1), a wall fixing plate II (5-2), a hanger main body (5-3), a hanger inner clamping plate (5-4), a hanger outer clamping plate (5-5) and a plate inner connecting groove (5-6); part of the hanger main bodies (5-3) of the mounting hangers (5) are mounted in the fireproof heat-insulation laminated slab (1), and the other part of the hanger main bodies (5-3) cut off the air heat-insulation partition layer (7) to form partition layer cavities, wherein the lower fireproof heat-insulation laminated slab (1) is mounted before the mounting hangers (5), and the upper fireproof heat-insulation laminated slab is mounted after the mounting hangers (5);
installing a mounting hanger (5) on a building wall (3) through a second wall fixing plate (5-2) by adopting a mounting bolt (5-1), wherein the second wall fixing plate (5-2) of the mounting hanger (5) is positioned at the inner side of a rear-mounted fireproof heat-insulation laminated slab (1), the second wall fixing plate (5-2) is prefabricated with a hanger main body (5-3), an extension end of the hanger main body (5-3) is prefabricated with an inner hanger clamping plate (5-4) and an outer hanger clamping plate (5-5), the inner hanger clamping plate (5-4), the outer hanger clamping plate (5-5) and the hanger main body (5-3) enclose an inner board connecting groove (5-6), the width of the inner board connecting groove (5-6) is slightly larger than that of the inner fireproof plate (1-1-1), and a layer of damping rubber gasket is arranged in the inner board connecting groove (5-6);
and a plate edge connecting groove (1-1-4) matched with the shape of the hanger outer clamping plate (5-5) is prefabricated on the inner layer fireproof plate (1-1-1) along the plate edge in the longitudinal direction.
4. The underground works structure external fire prevention superimposed sheet of claim 1, characterized in that: the glass fiber layer (1-1-2) is made of a carbon fiber net, a glass fiber net or a basalt fiber net.
5. The underground works structure external fire prevention superimposed sheet of claim 1, characterized in that: the thickness of the inner layer fireproof plate (1-1-1) is 16-17 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920892977.7U CN211591598U (en) | 2019-06-14 | 2019-06-14 | Underground works structure joins externally fire prevention superimposed sheet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920892977.7U CN211591598U (en) | 2019-06-14 | 2019-06-14 | Underground works structure joins externally fire prevention superimposed sheet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211591598U true CN211591598U (en) | 2020-09-29 |
Family
ID=72576212
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920892977.7U Expired - Fee Related CN211591598U (en) | 2019-06-14 | 2019-06-14 | Underground works structure joins externally fire prevention superimposed sheet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211591598U (en) |
-
2019
- 2019-06-14 CN CN201920892977.7U patent/CN211591598U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109811936A (en) | A kind of assembled filling wall, frame system and its engineering method of piston type connection | |
| CN211591598U (en) | Underground works structure joins externally fire prevention superimposed sheet | |
| CN108756025B (en) | Cast-in-place light concrete framework assembled wall and construction method thereof | |
| CN211228596U (en) | Rectangular section pipe gallery external-hanging fireproof system with air partition layer | |
| CN210712930U (en) | Underground rectangular comprehensive pipe gallery structure hanging type fireproof system | |
| CN211312594U (en) | External fire protection system with air partition layer for rectangular subdivision of pipe gallery complex | |
| CN210797629U (en) | Large-span underground engineering structure ceiling external hanging type fireproof plate | |
| CN211312914U (en) | Green building energy-saving wallboard fireproof structure | |
| CN210644893U (en) | Outer hanging fire protection system of city underground space structure | |
| CN105625600A (en) | Environment-friendly thermal insulation outer wall and manufacturing method thereof | |
| CN210597764U (en) | Composite heat-insulation fireproof external formwork | |
| CN210712931U (en) | Externally-hung double-layer fireproof system of underground circular comprehensive pipe gallery | |
| CN204590270U (en) | Bracket type rock cotton board external insulating system for thinly plastered external wall | |
| CN210597765U (en) | Composite heat-insulation fireproof external formwork external thermal insulation system | |
| CN210887646U (en) | Subway engineering fire prevention plugging device easy to assemble | |
| CN207568057U (en) | A kind of foamed concrete composite wallboard | |
| CN204492152U (en) | A kind of guarantor's form integrated board | |
| CN102296835A (en) | Reinforced concrete building rapidly assembled by prefabricated composite light slabs | |
| CN210644894U (en) | Externally-hung double-layer fireproof system of underground engineering structure | |
| CN211690427U (en) | Circular utility tunnel does not have heat bridge and connects fire protection system underground | |
| CN216109467U (en) | Compound fire prevention sound aluminium veneer of inhaling | |
| CN110670754A (en) | Sound-insulation heat-preservation anti-seismic wall and construction method thereof | |
| CN205894465U (en) | Whole wall that takes precautions against earthquakes of sandwich light | |
| CN110143024A (en) | The plug-in fire prevention superimposed sheet of underground engineering structure | |
| CN209975592U (en) | Partition breathable explosion-proof fireproof plate |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200929 Termination date: 20210614 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |