CN107035027A - A kind of assembled steel reinforced concrete structure light wt compound external wall panel - Google Patents
A kind of assembled steel reinforced concrete structure light wt compound external wall panel Download PDFInfo
- Publication number
- CN107035027A CN107035027A CN201710387779.0A CN201710387779A CN107035027A CN 107035027 A CN107035027 A CN 107035027A CN 201710387779 A CN201710387779 A CN 201710387779A CN 107035027 A CN107035027 A CN 107035027A
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- Prior art keywords
- steel plate
- steel
- wall panel
- external wall
- trough
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 97
- 239000010959 steel Substances 0.000 title claims abstract description 97
- 150000001875 compounds Chemical class 0.000 title claims abstract description 18
- 239000011150 reinforced concrete Substances 0.000 title claims abstract description 15
- 239000004567 concrete Substances 0.000 claims abstract description 37
- 239000011381 foam concrete Substances 0.000 claims abstract description 8
- 241000446313 Lamella Species 0.000 claims abstract description 7
- 239000011152 fibreglass Substances 0.000 claims abstract description 7
- 238000004049 embossing Methods 0.000 claims abstract description 3
- 230000003014 reinforcing effect Effects 0.000 claims description 19
- 210000003205 muscle Anatomy 0.000 claims description 7
- 229910001335 Galvanized steel Inorganic materials 0.000 claims description 5
- 239000008397 galvanized steel Substances 0.000 claims description 5
- 239000003365 glass fiber Substances 0.000 claims description 3
- 239000005357 flat glass Substances 0.000 claims description 2
- 239000000463 material Substances 0.000 abstract description 12
- 230000008901 benefit Effects 0.000 abstract description 3
- 239000004566 building material Substances 0.000 abstract description 3
- 239000010410 layer Substances 0.000 description 12
- 238000009413 insulation Methods 0.000 description 8
- 238000010276 construction Methods 0.000 description 7
- 210000003195 fascia Anatomy 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000035882 stress Effects 0.000 description 3
- 239000002344 surface layer Substances 0.000 description 3
- 239000004568 cement Substances 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 238000005034 decoration Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000013467 fragmentation Methods 0.000 description 2
- 238000006062 fragmentation reaction Methods 0.000 description 2
- 239000011490 mineral wool Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000004570 mortar (masonry) Substances 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000001680 brushing effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 238000009432 framing Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 210000004209 hair Anatomy 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 230000009916 joint effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000035800 maturation Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 235000019362 perlite Nutrition 0.000 description 1
- 239000010451 perlite Substances 0.000 description 1
- -1 perlite compound Chemical class 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
- E04B2/56—Load-bearing walls of framework or pillarwork; Walls incorporating load-bearing elongated members
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Finishing Walls (AREA)
Abstract
The present invention relates to building material technical field, specifically a kind of assembled steel reinforced concrete structure light wt compound external wall panel.It includes the transversely steel plate of embossing, is cast in lightweight aggregate concrete layer, the architectural surface, the fiberglass gridding lamella for the foam concrete layer surface that is laid in that are cast in the bubble concrete layer of steel plate medial surface, are covered in lightweight aggregate concrete layer surface of steel plate lateral surface, the both sides of steel plate are formed respectively with along longitudinally extending V-groove, and the wherein V-groove of side can accommodate the V-groove of opposite side.The main seal using steel plate is strong with ductility, and the characteristics of plasticity of concrete is strong, the advantage in combination with different materials is composited, so as to meet being required for assembling type outer wall plate.
Description
Technical field
The present invention relates to building material technical field, specifically a kind of assembled steel reinforced concrete structure light wt compound external wall panel.
Background technology
With country's wideling popularize and supporting to assembled architecture, assembled compound external wall panel is such as emerged rapidly in large numbersBamboo shoots after a spring rain quick hair
Exhibition, but in use and work progress, various template (domestic existing main templates：It is load-bearing concrete rock wool compound external wall panel, thin
Wall concrete rock wool compound external wall panel, concrete polyphenyl ethene compound external wall panel, concrete perlite compound external wall panel, steel wire
Cement heat preserving material battenboard, SP prestressed cored slabs, ALC external wall and extrusion under vacuum fiber cement board) all
There is waterproof or super thick or it is overweight or install etc. various problems, influence assembled architecture total quality, cause all to user
It is more inconvenient, wait to improve.
The content of the invention
It is multiple there is provided a kind of assembled steel reinforced concrete structure light wt in above-mentioned background technology it is an object of the invention to overcome the shortcomings of
Side fascia is closed, it is mainly strong using the seal and ductility of steel plate, the characteristics of plasticity of concrete is strong, in combination with difference
The advantage of material is composited, so as to meet being required for assembling type outer wall plate.
The technical scheme is that：
A kind of assembled steel reinforced concrete structure light wt compound external wall panel, it is characterised in that it includes transversely embossing
Steel plate, be cast in steel plate lateral surface lightweight aggregate concrete layer, be cast in the bubble concrete layer of steel plate medial surface, be covered in
The fiberglass gridding lamella of the architectural surface of lightweight aggregate concrete layer surface, the foam concrete layer surface that is laid in, steel plate
Both sides are formed respectively with along longitudinally extending V-groove, and the wherein V-groove of side can accommodate the V-groove of opposite side.
Further, the crossbeam of one group of spacing arrangement that is parallel to each other and keeps, width of each crossbeam along steel plate are included
Direction passes through the crest and trough of steel plate, and the bottom of wherein at least two crossbeam is welded with pre-embedded bolt, pre-embedded bolt
Bar portion pass through steel plate and fiberglass gridding lamella, for component connect or lift.
Further, reinforced mesh is equipped with the outside of the steel plate, the reinforced mesh is embedded in lightweight aggregate concrete layer
It is interior；Each crossbeam offers in through hole, each trough of steel plate in the trough of steel plate and is provided with reinforcing bar, longitudinal direction of the reinforcing bar along steel plate
Each crossbeam is sequentially passed through, each reinforcing bar is connected by frame muscle so that steel plate, reinforced mesh, crossbeam, the reinforcing bar at trough are combined into one
Individual chassis body.
Further, the steel plate is galvanized steel plain sheet.
Further, the crest and trough of the steel plate are trapezoidal.
Further, the crossbeam is made using U-shaped zinc-plated square tube.
The beneficial effects of the invention are as follows：
1st, using Chinese ancient architecture joinery and its construction characteristic and strong steel plate ductility the characteristics of, galvanized steel plain sheet is pressed into crest
Concrete cleverly can be secured firmly on steel plate by trough into Tenon shape.
2nd, it is to prevent concrete fragmentation and come off and increase timber intensity, reinforced mesh is set in the front of plate, in plate
The back side sets fiberglass gridding piece.
3rd, using the die mould of profiled sheet, the longitudinal rigidity of steel plate is increased, while between Wave crest and wave trough, lateral separation is interted
Enter U-shaped zinc-plated square tube, increase the lateral stiffness of plate, while the reinforcing bar at the trough of steel plate longitudinal direction is inserted through U-shaped zinc-plated square tube,
Reinforcing bar is fixed with reinforcing bar fastener (frame muscle) with reinforced mesh at trough, makes steel plate, reinforced mesh, U-shaped zinc-plated square tube, steel at trough
Muscle constitutes a force structure chassis body, so that timber intensity is improved, can be under the conditions of heat preserving heat insulating noise insulation be met, most
Limits reduce sheet metal thickness, mitigate panel weight.
4th, the setting of monoblock sheet material steel plate, make monoblock sheet material water resistance reach 100% effect, steel plate edge V-type
The setting of groove, is the overlapping mode for the steel construction exterior wall profiled sheet that make use of maturation, it is contemplated that on the outside of wallboard lap-joint, with resistance to
Jiao Dajiaochu is waited, just in case older aging, produces crack leak, the overlap joint of edge V-groove still has water guide waterproof action, unlikely to ooze
Leakage, while blocking inner-outer wall air flow, increases heat preserving heat insulating noise insulation effect, the presence of edge V-groove makes to protect between plate and plate
Reasonable spacing is held, also has antidetonation shock attenuation effect while playing expansion joint effect.
5th, cylindric pre-embedded bolt integral solder can be ensured into welding quality and spiral shell to greatest extent in U-shaped zinc-plated square tube
Bolt in U-shaped zinc-plated square tube by force intensity, bolt is lumped together with U-shaped zinc-plated square tube, because the same steel plate of U type zinc-plated square tubes,
Reinforcing bar is into an overall force structure framework at reinforced mesh, trough, so the stress at crab-bolt is transferred into whole plate face,
Avoid, because the external force such as lifting, earthquake, compression are acted on, causing the concentration of stress, the destruction for producing plate.
6th, wall face is made of lightweight aggregate concrete, impervious good, heat preserving heat insulating noise insulation is good, durable good weatherability, weight
Gently, construction adaptability is strong, and can make load bearing structural material.
7th, inner wall surface is done with foam concrete, using its light specific gravity, fireproof heat insulating heat insulation performance is protruded, durability
Good, the characteristics of modulus of elasticity is low can effectively mitigate panel weight, piece between plate face and plate face is not likely to produce crack.
8th, the use of glass fibre, can effectively reduce the fragmentation of concrete, improve the intensity of plate, it is ensured that while plate quality
Improve yield rate.
9th, this assembled steel reinforced concrete structure light wt compound external wall panel, meets as a kind of spy of novel fabricated Side fascia
Levy；1. standardized designs, factorial praluction, can assembling, can mechanized construction.2. new green environment protection energy saving building material is used
Material.3. material is light, practical, occupies little space, durable good weatherability.4. heat preserving heat insulating noise insulation is good, and fire-proof and water-proof is freeze proof
Property is strong.5. intensity is high and possesses resistance to compression antidetonation cracking resistance change characteristic.6. node is firmly, easy for installation, difficult for drop-off, safe and reliable.
7. plate face caking ability is high, Pasting or brushing or cladding various building decoration surface layers, can the decoration integrated construction of insulation construction.⑧
The sheet material life-span is synchronous with structural life-time.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention.
Fig. 2 is steel plate and beam mounting structure schematic diagram.
Fig. 3 is the structural representation of steel plate.
Fig. 4 is the present invention and the mounting structure schematic diagram of steel column.
Fig. 5 is the present invention and the mounting structure schematic diagram of girder steel.
Embodiment
Below in conjunction with Figure of description, the invention will be further described, but the invention is not limited in knot as described below
Structure.
As shown in Fig. 1 to Fig. 3, a kind of assembled steel reinforced concrete structure light wt compound external wall panel, it includes the transverse direction along Side fascia
Pressure (width) is made the corrugated steel plate 1 with Wave crest and wave trough, is cast in the lightweight aggregate concrete layer of steel plate lateral surface
5th, the bubble concrete layer 8 that is cast in steel plate medial surface, the architectural surface 4 for being covered in lightweight aggregate concrete layer surface, it is laid in
The fiberglass gridding lamella 7 of foam concrete layer surface, the both sides of steel plate are formed respectively with along longitudinally extending V-groove 6, when two
When block Side fascia is overlapped, the V type grooves of wherein side can accommodate the V-groove of opposite side.
For increase intensity, include the crossbeam 10 that one group of spacing that is parallel to each other and keeps is arranged, each crossbeam is along steel plate
Width passes through the crest 1-1 and trough 1-2 (typically being passed through from the vicinity of Wave crest and wave trough intersection) of steel plate, and wherein at least has
The bottom of two crossbeams is welded with pre-embedded bolt 3, and the bar portion of pre-embedded bolt passes through the trough and glass fiber mesh of steel plate
Lattice lamella, connects or lifts for component.
Further, the outside of the steel plate is also equipped with reinforced mesh 2, and the reinforced mesh is embedded in lightweight aggregate concrete
In layer.Each crossbeam offers in the through hole 10-1 along trough longitudinal direction, each trough of steel plate in the trough of steel plate and is provided with steel
Muscle 9, longitudinal direction of the reinforcing bar along steel plate sequentially passes through the through hole of each crossbeam, and each reinforcing bar is connected by frame muscle so that steel plate, bar-mat reinforcement
Piece, crossbeam, the reinforcing bar at trough is combined into one can be with the chassis body of stress.To make concrete preferably fill up, steel plate
Opening 1-3 is formed with crest and crossbeam corresponding position, concrete can be entered between crest and crossbeam from this opening when pouring.
The crossbeam is made using U-shaped zinc-plated square tube, and the steel plate is typically formed using galvanized steel plain sheet by compacting.It is described
The crest and trough of steel plate are trapezoidal, wherein, crest is arranged for inverted trapezoidal, and trough is trapezoidal layout, therefore can be in steel plate
Lateral surface and medial surface form some trapezoidal pods respectively, these pods are pouring lightweight aggregate concrete layer and foam is mixed
After solidifying soil, with concrete layer one tenon structure of formation, wherein pod is tongue-and-groove, and concrete is tenon, can be ingenious by concrete
Be secured firmly on steel plate.
In production and installation process, galvanized steel plain sheet is pressed into centre to be the ripple for being V-groove structure on joinery and its construction, side
Shape template, then interval punches at the horizontal Wave crest and wave trough of steel plate, inserts and places and weld in U-shaped zinc-plated square tube, U-shaped square tube
Cylindrical pre-embedded bolt is connect, with use is connected and lifted with component, while mutually nearby open-minded with trough in U-shaped zinc-plated square tube hypomere
When the reinforcing bar placed at hole, trough meets U-shaped zinc-plated square tube, passed through from through hole, reinforced mesh, bar-mat reinforcement are arranged in the outside of steel plate
Piece is connected with reinforcing bar at trough with frame muscle, make steel plate, reinforced mesh, U-shaped zinc-plated square tube, at trough reinforcing bar constitute one by
Power structural framing main body.Then lightweight aggregate concrete, the surface layer waterproof mortar of lightweight aggregate concrete are poured on the outside of steel plate
It is floating with crack resist at mortar, after defects liability period, then architectural surface is laid, be used as wall face.The inner side of steel plate is poured with foam concrete,
The surface layer of foam concrete is laid after fiberglass gridding piece, defects liability period, and architectural surface can be laid as requested, interior wall is used as
Face.
The height of steel plate Wave crest and wave trough pours thickness with concrete, according to the actual requirement situation in house, adjusts on demand
Whole processing.The spacing distance of U-shaped zinc-plated square tube, can carry out location arrangements on request according to structural requirement.Concreting
When, V-groove does not pour processing with being reserved at steel plate lengthwise position head 2cm, during for board material splice, is used as overlap joint.Taking
Connect the gap gap filler 14 on the inside of place, V-groove to be filled, the gap weather-resistant glue 15 in outside is filled.
Assembled steel reinforced concrete structure light wt compound external wall panel adds U-shaped steel pipe plus reinforcing bar using centre steel plate, and wall face is with gently
Aggregate concrete, inner wall surface adds the effect of mesh flake to be to learn from other's strong points to offset one's weaknesses with foam concrete, goes to overcome using a kind of material advantages
The weakness of another material, specifically goes to solve the embrittlement and infiltration of concrete using the high intensity and high impervious of steel plate
Property, steel plate is wrapped up the characteristics of strong with the fire resistance heat insulation property durability of concrete, the not fire insulation of steel plate is solved
Difference and the weak shortcoming of resistance to corrosion etc..
As shown in Figure 4, Figure 5, the connection of the Side fascia that the present invention is provided and girder steel 16 and steel column 11 uses angle steel 13 with connecting
This connected mode of connecting bolt 12, pre-embedded bolt, is while firm connection, to be handled as a shock-resistant node mesh, can
Mitigate because of the destruction that the deformation of main frame is produced to plate.
The preferred embodiments of the present invention are the foregoing is only, for those skilled in the art, the present invention can have
Various modifications and variations.Within the spirit and principles of the invention, any modification, equivalent substitution and improvements made etc., all should
Within protection scope of the present invention.
Claims (6)
1. a kind of assembled steel reinforced concrete structure light wt compound external wall panel, it is characterised in that it includes transversely embossing
Steel plate (1), the lightweight aggregate concrete layer (5) for being cast in steel plate lateral surface, the bubble concrete layer for being cast in steel plate medial surface
(8) architectural surface (4), the glass fiber mesh for the foam concrete layer surface that is laid in of lightweight aggregate concrete layer surface, are covered in
Lattice lamella (7), the both sides of steel plate are formed respectively with along longitudinally extending V-groove (6), and the wherein V-groove of side can accommodate another
The V-groove of side.
2. a kind of assembled steel reinforced concrete structure light wt compound external wall panel as claimed in claim 1, it is characterised in that also including one group of phase
Mutually it is parallel and keep spacing arrangement crossbeam (10), width of each crossbeam along steel plate through steel plate crest (1-1) with
Trough (1-2), the bottom of wherein at least two crossbeam is welded with pre-embedded bolt (3), and the bar portion of pre-embedded bolt passes through steel
Plate and fiberglass gridding lamella, connect or lift for component.
3. a kind of assembled steel reinforced concrete structure light wt compound external wall panel as claimed in claim 2, it is characterised in that outside the steel plate
Side is equipped with reinforced mesh (2), and the reinforced mesh is embedded in lightweight aggregate concrete layer；Each crossbeam is opened in the trough of steel plate
Provided with through hole (10-1), reinforcing bar (9) is provided with each trough of steel plate, longitudinal direction of the reinforcing bar along steel plate sequentially passes through each crossbeam, respectively
Reinforcing bar is connected by frame muscle so that steel plate (1), reinforced mesh (2), crossbeam (10), the reinforcing bar (9) at trough are combined into a frame
Frame body.
4. a kind of assembled steel reinforced concrete structure light wt compound external wall panel as described in claim 1 or 2 or 3, it is characterised in that the steel
Plate is galvanized steel plain sheet.
5. a kind of assembled steel reinforced concrete structure light wt compound external wall panel as described in claim 1 or 2 or 3, it is characterised in that the steel
The crest and trough of plate are trapezoidal.
6. a kind of assembled steel reinforced concrete structure light wt compound external wall panel as described in claim 1 or 2 or 3, it is characterised in that：The horizontal stroke
Beam is made using U-shaped zinc-plated square tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710387779.0A CN107035027A (en) | 2017-05-25 | 2017-05-25 | A kind of assembled steel reinforced concrete structure light wt compound external wall panel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710387779.0A CN107035027A (en) | 2017-05-25 | 2017-05-25 | A kind of assembled steel reinforced concrete structure light wt compound external wall panel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107035027A true CN107035027A (en) | 2017-08-11 |
Family
ID=59539029
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710387779.0A Pending CN107035027A (en) | 2017-05-25 | 2017-05-25 | A kind of assembled steel reinforced concrete structure light wt compound external wall panel |
Country Status (1)
| Country | Link |
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| CN (1) | CN107035027A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108425458A (en) * | 2018-05-10 | 2018-08-21 | 张子娟 | A kind of solid expanded metal lath arrangement of reinforcement wallboard and assembly method |
| CN109386060A (en) * | 2018-10-26 | 2019-02-26 | 中清大科技股份有限公司 | The connection component and its assembly method of wallboard and structural body |
| CN114277968A (en) * | 2022-01-20 | 2022-04-05 | 西安建筑科技大学 | A cold-formed thin-walled steel composite foam concrete wall |
| CN115749048A (en) * | 2022-12-08 | 2023-03-07 | 西安建筑科技大学 | A unitized exterior wall system |
| CN115853164A (en) * | 2022-12-08 | 2023-03-28 | 西安建筑科技大学 | UHPC board ripple steel sheet stiffening unit formula outer wall system |
| CN116163428A (en) * | 2022-12-08 | 2023-05-26 | 西安建筑科技大学 | UHPC board cap-shaped stiffening unit type outer wall system |
| CN116163440A (en) * | 2022-12-08 | 2023-05-26 | 西安建筑科技大学 | Unit type outer wall system |
| CN116517286A (en) * | 2023-05-15 | 2023-08-01 | 鲁米科技(山东)有限公司 | Fireproof heat-insulation sound-insulation construction method for H-shaped steel beam |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108425458A (en) * | 2018-05-10 | 2018-08-21 | 张子娟 | A kind of solid expanded metal lath arrangement of reinforcement wallboard and assembly method |
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| CN114277968A (en) * | 2022-01-20 | 2022-04-05 | 西安建筑科技大学 | A cold-formed thin-walled steel composite foam concrete wall |
| CN115749048A (en) * | 2022-12-08 | 2023-03-07 | 西安建筑科技大学 | A unitized exterior wall system |
| CN115853164A (en) * | 2022-12-08 | 2023-03-28 | 西安建筑科技大学 | UHPC board ripple steel sheet stiffening unit formula outer wall system |
| CN116163428A (en) * | 2022-12-08 | 2023-05-26 | 西安建筑科技大学 | UHPC board cap-shaped stiffening unit type outer wall system |
| CN116163440A (en) * | 2022-12-08 | 2023-05-26 | 西安建筑科技大学 | Unit type outer wall system |
| CN116517286A (en) * | 2023-05-15 | 2023-08-01 | 鲁米科技(山东)有限公司 | Fireproof heat-insulation sound-insulation construction method for H-shaped steel beam |
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Application publication date: 20170811 |
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