CN105421638B - One kind suspension sandwich and its construction method - Google Patents
One kind suspension sandwich and its construction method Download PDFInfo
- Publication number
- CN105421638B CN105421638B CN201510873787.7A CN201510873787A CN105421638B CN 105421638 B CN105421638 B CN 105421638B CN 201510873787 A CN201510873787 A CN 201510873787A CN 105421638 B CN105421638 B CN 105421638B
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- floor
- interlayer
- sandwich
- suspension
- hanging piece
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Classifications
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B5/00—Floors; Floor construction with regard to insulation; Connections specially adapted therefor
- E04B5/43—Floor structures of extraordinary design; Features relating to the elastic stability; Floor structures specially designed for resting on columns only, e.g. mushroom floors
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/14—Conveying or assembling building elements
Abstract
One kind suspension sandwich and its construction method, the suspension sandwich includes superstructure component, suspension hanging piece and interlayer floor, the upper end of the suspension hanging piece connects superstructure component by upper attachment means, the bottom of suspension hanging piece is fixed to hang and connects interlayer floor by lower connecting device, it is reserved with the interlayer floor and is adapted with the profile of frame column, makes frame column that the hole of both disengagings is maintained through interlayer floor, padded coaming is packed with the gap between the hole and frame column.The construction method including determine interlayer scheme and determine the upper attachment means of interlayer load, makings, make suspension hanging piece, on the interlayer floor reserved opening, suspension hanging piece and interlayer floor connect, the step such as filling padded coaming in the gap between interlayer floor and frame column.This invention simplifies structure design, design difficulty is reduced, it is to avoid the unfavorable antidetonation factor that upper and lower story stiffness, bearing capacity mutation bring, reduce cost, improve operating efficiency.
Description
Technical field
The invention belongs to building structure field, the suspended structure and its construction method of particularly a kind of sandwich boards for construction.
Background technology
At present, in the industrial premises such as civil high-rise buildings, office building and electromedicine, often because function needs to set
Equipment interlayer of the floor height no more than 2.2m and local interlayer.Upper and lower floor is for example, avoided to use the conflict of function, lower floor
The upper strata in kitchen is toilet, and the upper strata of electric substation of lower floor is Air Conditioning Facilities etc., it is necessary to set anti-hydraulic furred ceiling, and at this moment interlayer sets
Count into rigid concrete interlayer.Therefore the design of rigid concrete interlayer has become a kind of inevitable universal phenomenon.
This rigid concrete interlayer is actually also one layer of normal structure floor, is also required to carry out rigid company with frame column
Connect, result in upper and lower story stiffness, bearing capacity mutation, or even form short column, the Aseismic Design to framework and frame-shear structure is caused
Great difficulty, also result in the increase of financial cost.
When most of designer utilizes Software for Design to this rigid concrete interlayer, it is required for coming as single one layer
Modeling, modeling is complicated and easily malfunctions, and result of calculation is also difficult to meet code requirement, comes frequently by increasing section and arrangement of reinforcement
Mutation, the deficiency transfinited with bearing capacity of Displacement Ratio of story stiffness, this way is controlled to be dropped while design difficulty is increased
The low anti-seismic performance of structure, also increases financial cost.
The content of the invention
It is an object of the invention to provide one kind suspension sandwich and its construction method, to solve to set rigid concrete folder
Story stiffness up and down, bearing capacity mutation that layer is present, design process component difficulty are error-prone greatly, it is difficult to meet code requirement, drop
The low anti-seismic performance of structure, increased the technical problem of financial cost.
To achieve the above object, the present invention is adopted the following technical scheme that:
One kind suspension sandwich, is folded in around frame column, between upper and lower double-layer structure, including superstructure structure
Part, suspension hanging piece and interlayer floor, the upper end of the suspension hanging piece connect superstructure component, suspension by upper attachment means
The bottom of hanging piece is fixed to hang and connects interlayer floor by lower connecting device, and the profile with frame column is reserved with the interlayer floor
It is adapted, makes frame column that the hole of both disengagings, the gap between the hole and frame column are maintained through interlayer floor
Inside it is packed with padded coaming.
The superstructure component be upper strata Vierendeel girder, the upper attachment means be embedded in advance superstructure component bottom or
Sidepiece.
The superstructure component is upper strata Vierendeel girder, and the Vierendeel girder is girder steel or beams of concrete, the upper attachment means
Pre- bottom or the sidepiece for being embedded in superstructure component.
Sandwich beam is additionally provided between the suspension hanging piece and interlayer floor, interlayer floor is layed on sandwich beam, the folder
Layer beam is girder steel or beams of concrete.
The suspension hanging piece is steel davit, steel suspension rod, steel hangs muscle or steel wire rope.
The interlayer floor is concrete floor or composite deck slabs.
The padded coaming is cork or foam.The suspension hanging piece is steel davit, hangs the upper end of hanging piece by upper
Attachment means connect superstructure component, the interlayer floor be composite deck slabs, including floor girder steel, pressure
Shape steel plate and floor concrete, the sandwich beam are floor girder steel.
The upper even device includes that be from top to bottom sequentially connected one group hangs head, one group of suspension rod, embedded board and first and perpendicular hangs
Plate, described to hang head and suspension rod quantity is equal, for rectangular slab, the downside center for hanging head connects the head that hangs with the upper end of suspension rod respectively
Connect, the lower end of suspension rod is distributed on embedded board and respectively with the upside of embedded board and is connected, the downside surface of the embedded board and
The upper side of one perpendicular boatswain chair is connected between two parties, described to hang the bottom that head, suspension rod and embedded board are embedded in superstructure component in advance, and
The downside surface of embedded board is concordant with the downside surface of superstructure component, the upper end of the described first perpendicular boatswain chair and steel davit
Web pastes the bolt connection of merga pass first.
The lower connecting device is the second perpendicular boatswain chair and is connected to the upper surface of floor girder steel, and the second perpendicular boatswain chair hangs with steel
Web the patch bolt of merga pass second and the solder design of the bottom of post.
The hole of the composite deck slabs is located between adjacent twice floor girder steel, composite ribbed deck
Downside, the surrounding at hole enclose the reinforcement girder that is fixed with hole and strengthen secondary beam, the two ends of the reinforcement girder are solid respectively
Surely it is connected on adjacent twice floor girder steel, the two ends for strengthening secondary beam are respectively fixedly connected with reinforcement girder.
Two row's shear studs are welded with the upside of the floor girder steel, the equal seam of end face of adjacent two pieces of profiled sheets is overlapped in
The upside of floor girder steel.
Lower stress muscle is provided with the profiled sheet, the length that the end of lower stress muscle is located above floor girder steel is more than pressure
Both the diameter of the lap of splice and shear stud of the shape steel plate on floor girder steel sums, in the seam of adjacent two pieces of profiled sheets
Side is provided with upper principal rod of the length more than joint gap, and parcel lower stress muscle and upper stress have been poured on the upside of the profiled sheet
The facing concrete of muscle.
A kind of construction method for hanging sandwich, construction procedure is as follows:
Step one, determines interlayer scheme and determines interlayer load, hang the design of sandwich;
Step 2, attachment means and is embedded in superstructure component in advance in making;
Step 3, makes suspension hanging piece, and will hang hanging piece by upper attachment means and hang and be connected on superstructure component;
Step 4, lower connecting device is connected in the bottom of suspension hanging piece;
Step 5, the reserved opening on interlayer floor;
Step 6, will hang hanging piece and be connected with interlayer floor using lower connecting device, and frame column passes through interlayer by hole
Floor;
Step 7, padded coaming is clogged in the gap between interlayer floor and frame column.
Compared with prior art the invention has the characteristics that and beneficial effect:
The present invention is suitable for reinforced concrete structure because function needs the more conventional floor height of floor height for setting much lower
The treatment of equipment interlayer and local interlayer structure, devises a kind of suspension suspension rod being connected with superstructure component, hangs
Hang suspension rod hanging interlayer floor so that interlayer is disengaged to form hole with agent structure, and buffering is clogged between hole and agent structure
Material, reduces influence of the interlayer to agent structure.
Suspension suspension rod of the invention is arranged in whole post net, and suspension centre is more, can effectively reduce deck-molding, increases effectively high
Degree.
This invention simplifies structure design, design difficulty is reduced, it is to avoid upper and lower story stiffness, bearing capacity mutation bring
Unfavorable antidetonation factor, reduce cost, improve operating efficiency.
The present invention is applied to equipment pipe interlayer and the hard furred ceiling of local waterproof.
Brief description of the drawings
The present invention will be further described in detail below in conjunction with the accompanying drawings.
Fig. 1 is structure schematic diagram of the invention.
Fig. 2 is the floor plan of B-B sections in Fig. 1.
Fig. 3 is the schematic diagram of upper attachment means connection superstructure component and suspension hanging piece in embodiment.
Fig. 4 is the structural representation of attachment means in Fig. 3.
Fig. 5 is the overlooking the structure diagram of Fig. 4.
Fig. 6 is the piece structural representation of interlayer floor.
Fig. 7 is the structural representation of lower connecting device connection floor girder steel in embodiment.
Fig. 8 is the overlooking the structure diagram of Fig. 7.
Fig. 9 is hole reinforcement structure schematic diagram.
Figure 10 is the structural representation of profiled sheet and framework intercolumniation padded coaming.
Reference:1- superstructures component, the upper attachment means of 2-, that 2.1- hangs head, 2.2- suspension rods, 2.3- is pre-buried
Plate, 2.4- first erects boatswain chair, 3- suspensions hanging piece, 4- lower connecting devices, 5- interlayers floor, 5.1- floors girder steel, 5.2-
Profiled sheet, 5.3- floor concretes, 5.4- lower stress muscle, the upper principal rods of 5.5-, 6- frame columns, 7- holes, 8-
One bolt, the bolts of 9- second, 10- strengthen girder, 11- and strengthen secondary beam, 12- shear studs, 13- padded coamings, 14- abdomens
Plate, 15- connections peg, 16- weld seams.
Specific embodiment
Referring to shown in Fig. 1-2, one kind suspension sandwich is folded in around frame column 6, upper and lower double-layer structure embodiment
Between, including superstructure component 1, suspension hanging piece 3 and interlayer floor 5, the upper end of the suspension hanging piece 3 is by upper connection dress
2 connection superstructure components 1 are put, the bottom of suspension hanging piece 3 is fixed to hang and connects interlayer floor 5 by lower connecting device 4, the folder
It is reserved with floor plate 5 and is adapted with the profile of frame column 6, makes frame column that the hole of both disengagings is maintained through interlayer floor
Mouth 7, it is shown in Figure 10, padded coaming 13 is packed with the gap between the hole 7 and frame column.
Shown in Figure 2, in the present embodiment, the post of the hanging column post net is away from the post with frame column post net away from equal
A, the span D of hanging column post net are 2 times of hanging columns and the distance between the frame column for closing on d, i.e. D=2d.
The superstructure component 1 is upper strata Vierendeel girder, and the Vierendeel girder is girder steel or beams of concrete, the upper attachment means
2 pre- bottom or the sidepieces for being embedded in superstructure component 1.
Sandwich beam is additionally provided between the suspension hanging piece and interlayer floor, interlayer floor is layed on sandwich beam, the folder
Layer beam is girder steel or beams of concrete.
The suspension hanging piece is steel davit, steel suspension rod, steel hangs muscle or steel wire rope.
The interlayer floor is concrete floor or composite deck slabs.
The padded coaming 13 is cork or foam.
Structural elements 1 is upper strata Vierendeel girder to the present embodiment at the middle and upper levels, and upper attachment means 2 are embedded in superstructure component 1 in advance
Bottom or sidepiece.
Sandwich beam is additionally provided between the suspension hanging piece and interlayer floor, the sandwich beam is by lower connecting device and suspension
Hanging piece is connected, and interlayer floor is layed on sandwich beam.
The present invention can have following various different specific practices, it is contemplated that for suspension sandwich be usually secondary applying
Work, for convenience of constructing, the present embodiment employs steel davit and composite deck slabs.
Referring to shown in Fig. 3-5, the suspension hanging piece 3 is steel davit, hangs the upper end of hanging piece 3 by upper attachment means 2
Connection superstructure component 1.
It is shown in Figure 6, the interlayer floor 5 be composite deck slabs, including floor girder steel 5.1, pressure
Shape steel plate 5.2 and floor concrete 5.3, the sandwich beam are floor girder steel 5.1.
Referring to shown in Fig. 3-5, the upper attachment means 2 include that one group be from top to bottom sequentially connected is hung first 2.1, one group and hangs
Bar 2.2, embedded board 2.3 and first erect boatswain chair 2.4, it is described hang it is first 2.1 equal with the quantity of suspension rod 2.2, it is described to hang first 2.1 for rectangle
Plate, hangs the upper end of first 2.1 downside center respectively with suspension rod 2.2 and is connected, and the lower end of suspension rod 2.2 is distributed on embedded board 2.3 simultaneously
The upside with embedded board 2.3 is connected respectively, and the upper side of the downside surface of the embedded board 2.3 and the first perpendicular boatswain chair 2.4 is occupied
Middle connection, it is described to hang first 2.1, suspension rod 2.2 and the pre- bottom for being embedded in superstructure component 1 of embedded board 2.3, and embedded board 2.3
Downside surface it is concordant with the downside surface of superstructure component 1, the abdomen of the described first perpendicular boatswain chair 2.4 and the upper end of steel davit
First bolt of the patch merga pass of plate 14 8 is connected.
Referring to shown in Fig. 7-8, the lower connecting device 4 is the second perpendicular boatswain chair and is connected to the upper table of floor girder steel 5.1
Face, the second perpendicular boatswain chair is connected with second bolt of the patch merga pass of web 14 9 and weld seam 16 of the bottom of steel davit so that steel hangs
Connected between the lower end of post and floor girder steel 5.1.
Shown in Figure 9, the hole 7 of the composite deck slabs is located at adjacent twice floor girder steel 5.1
Between, the downside of composite ribbed deck, the surrounding at hole enclose the reinforcement girder 10 and reinforcement secondary beam 11 for being fixed with hole, described
The two ends for strengthening girder 10 are respectively fixedly connected with adjacent twice floor girder steel 5.1, and the two ends for strengthening secondary beam 11 are distinguished
It is fixedly connected on reinforcement girder 10, also passes through respectively between the profiled sheet 5.2 and reinforcement girder 10 and reinforcement secondary beam 11
Connection peg 15 is connected.
Shown in Figure 6, the upside of the floor girder steel 5.1 is welded with two row's shear studs 12, adjacent two pieces of profiled sheets
5.2 seam end face is overlapped in the upside of floor girder steel 5.1.
Lower stress muscle 5.4 is provided with the profiled sheet 5.2, the end of lower stress muscle 5.4 is located at the top of floor girder steel 5.1
Length M more than both the diameter of the lap of splice and shear stud 12 of the profiled sheet 5.2 on floor girder steel 5.1 sum N, phase
The seam top of adjacent two pieces of profiled sheets 5.2 is provided with upper principal rod 5.5 of the length more than joint gap, the profiled sheet 5.2
Upside pour the facing concrete of parcel lower stress muscle 5.4 and upper principal rod 5.5.
Similar to the present embodiment, it can be steel suspension rod that hanging piece is hung in concrete practice, and interlayer floor can be concrete slab,
Sandwich beam is beams of concrete, and attachment means are built-in fitting, the bottom of steel suspension rod and the built-in fitting being embedded in advance in concrete beam plate
It is fixedly connected.
Suspension hanging piece can also be concrete column, and interlayer floor can be concrete slab, and sandwich beam is beams of concrete, three
It is integrated and pours shaping.
The like, preferably, hanging post can with flexible arrangement, as far as possible using steel column or precast concrete column,
It can be steel wire rope.Sandwich beam can be girder steel, beams of concrete or be not provided with sandwich beam, directly using sandwich plate.Each structure
Being fixedly connected between part can be welding, bolt or other machinery connection.
A kind of construction method for hanging sandwich, construction procedure is as follows:
Step one, determines interlayer scheme and determines interlayer load, hang the design of sandwich;
Step 2, attachment means 2 and is embedded in superstructure component 1 in advance in making;
Step 3, makes suspension hanging piece 3, and will hang hanging piece 3 by upper attachment means 2 and hang and be connected to superstructure component 1
On;
Step 4, lower connecting device 4 is connected in the bottom of suspension hanging piece 3;
Step 5, the reserved opening 7 on interlayer floor 5;
Step 6, is connected hanging piece 3 is hung using lower connecting device 4 with interlayer floor 5, and frame column 6 is passed through by hole 7
Interlayer floor 5;
Step 7, clogs padded coaming 13 in the gap between interlayer floor 5 and frame column 6.
Interlayer top board dead load of the invention:In addition to plate is conducted oneself with dignity, it is also contemplated that 0.4KN/m2Finish plaster and 0.5KN/m2's
Hanging load, plate live load is 2KN/m2。
Suspension sandwich of the invention is not more than 2.2m suitable for floor height, and post net is not more than 9m × 9m, and live load is little
In 2KN/m2Sandwich design in, it is necessary to designer voluntarily checks when beyond the scope.Interlayer can be applied to as load
On the beam on interlayer top, it will greatly simplify structure design.
Can be according to the frame column colum network size of Practical Project come directly from the horizontal layout of suspension sandwich when using
And node way.
The present invention is especially suitable for medical factory building.The characteristics of medical factory building is that the number of plies is mostly 2~4 layers, and floor height is usually 6
~8m, Air Conditioning Facilities are larger with room area with electric, and hanging pipeline is more, and substantially each factory building can be designed with partial lined.
As the design and use of pharmaceutical engineering will be more and more wide, and determine the characteristics of medical factory building floor height is big, water power room area is big
Determine the interlayer in factory building and be set to inevitable phenomenon.Therefore equipment pipe interlayer drawn game of the present invention in medical factory building
To be used widely in the anti-hydraulic furred ceiling design in portion.
Claims (8)
1. a kind of suspension sandwich, is folded in frame column(6)Around, between upper and lower double-layer structure, it is characterised in that:Including
Superstructure component(1), suspension hanging piece(3)With interlayer floor(5), the suspension hanging piece(3)Upper end by it is upper connection dress
Put(2)With superstructure component(1)Connection, hangs hanging piece(3)Bottom pass through lower connecting device(4)Fixation is hung and connects interlayer building
Plate(5), the interlayer floor(5)On be reserved with and frame column(6)Profile be adapted, enable frame column pass through interlayer floor
The hole for keeping both to depart from(7), the hole(7)With frame column(6)Between gap in be packed with padded coaming(13);
The suspension hanging piece(3)It is steel davit, hangs hanging piece(3)Upper end by upper attachment means(2)Connection superstructure
Component(1), the interlayer floor(5)It is composite deck slabs, including floor girder steel(5.1), profiled sheet
(5.2)And floor concrete(5.3), the sandwich beam is floor girder steel(5.1);
The upper attachment means(2)One group including being from top to bottom sequentially connected is hung head(2.1), one group of suspension rod(2.2), embedded board
(2.3)With the first perpendicular boatswain chair(2.4), it is described to hang head(2.1)And suspension rod(2.2)Quantity is equal, described to hang head(2.1)It is rectangle
Plate, hangs head(2.1)Downside center respectively with suspension rod(2.2)Upper end connection, suspension rod(2.2)Lower end be distributed in embedded board
(2.3)It is upper and respectively with embedded board(2.3)Uper side surface connection, the embedded board(2.3)Downside surface perpendicular with first hang
Plate(2.4)Upside end face connect between two parties, it is described to hang head(2.1), suspension rod(2.2)And embedded board(2.3)It is embedded in superstructure in advance
Component(1)Bottom, and embedded board(2.3)Downside surface and superstructure component(1)Downside surface it is concordant, described the
One perpendicular boatswain chair(2.4)With the web of the upper end of steel davit(14)The patch bolt of merga pass first(8)Connection;
The lower connecting device(4)For the second perpendicular boatswain chair and it is connected to floor girder steel(5.1)Upper surface, the second perpendicular boatswain chair with
The web of the bottom of steel davit(14)The patch bolt of merga pass second(9)And weld seam(16)Connection.
2. sandwich is hung according to claim 1, it is characterised in that:The superstructure component(1)It is upper strata framework
Beam, the Vierendeel girder is girder steel or beams of concrete, the upper attachment means(2)It is embedded in superstructure component in advance(1)Bottom or side
Portion.
3. sandwich is hung according to claim 1, it is characterised in that:Also set between the suspension hanging piece and interlayer floor
There is sandwich beam, interlayer floor is layed on sandwich beam, the sandwich beam is girder steel or beams of concrete.
4. sandwich is hung according to claim 1, it is characterised in that:The suspension hanging piece is steel davit, steel suspension rod, steel
Hangs muscle or steel wire rope.
5. sandwich is hung according to claim 1, it is characterised in that:The interlayer floor is concrete floor or die mould
Steel plate concrete composite floor.
6. sandwich is hung according to claim 1, it is characterised in that:The padded coaming(13)It is cork or foam.
7. sandwich is hung according to claim 1, it is characterised in that:The hole of the composite deck slabs
Mouthful(7)Positioned at adjacent twice floor girder steel(5.1)Between, the downside of composite ribbed deck, the surrounding at hole are enclosed and are fixed with hole
The reinforcement girder of mouth(10)With reinforcement secondary beam(11), the reinforcement girder(10)Two ends be respectively fixedly connected with adjacent twice building
Slab beam(5.1)On, the reinforcement secondary beam(11)Two ends be respectively fixedly connected with strengthen girder(10)On;
The floor girder steel(5.1)Upside be welded with two row's shear studs(12), adjacent two pieces of profiled sheets(5.2)Seam end
Face is overlapped in floor girder steel(5.1)Upside,
The profiled sheet(5.2)Inside it is provided with lower stress muscle(5.4), lower stress muscle(5.4)End be located at floor girder steel(5.1)
The length of top is more than profiled sheet(5.2)In floor girder steel(5.1)On the lap of splice and shear stud(12)Diameter two
Person's sum, adjacent two pieces of profiled sheets(5.2)Seam top be provided with length more than joint gap upper principal rod(5.5), institute
State profiled sheet(5.2)Upside poured parcel lower stress muscle(5.4)With upper principal rod(5.5)Facing concrete.
8. it is a kind of according to claim 1-7 any one hang sandwich construction method, it is characterised in that construction step
It is rapid as follows:
Step one, determines interlayer scheme and determines interlayer load, hang the design of sandwich;
Step 2, attachment means in making(2)And superstructure component is embedded in advance(1)It is interior;
Step 3, makes suspension hanging piece(3), and by upper attachment means(2)Hanging piece will be hung(3)Hang and be connected to superstructure component
(1)On;
Step 4, in suspension hanging piece(3)Bottom connection lower connecting device(4);
Step 5, in interlayer floor(5)Upper reserved opening(7);
Step 6, uses lower connecting device(4)Hanging piece will be hung(3)With interlayer floor(5)Connection, frame column(6)By hole
(7)Through interlayer floor(5);
Step 7, in interlayer floor(5)With frame column(6)Between gap in clog padded coaming(13).
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Families Citing this family (4)
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CN106939642B (en) * | 2017-04-25 | 2019-05-10 | 中国建筑第八工程局有限公司 | Under hanging riding track davit structure and its installation forming method |
CN107119910A (en) * | 2017-05-22 | 2017-09-01 | 中城建设有限责任公司 | A kind of suspension type platform for equipment interlayer |
CN107100367A (en) * | 2017-05-22 | 2017-08-29 | 中城建设有限责任公司 | A kind of construction method of suspension type platform for equipment interlayer |
CN108571061A (en) * | 2018-03-19 | 2018-09-25 | 中建三局基础设施建设投资有限公司 | A kind of large public building suspension type shelter bridge structure |
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