CN108894423A - Assembled integral composite slab with profiled steel sheeting and installation and application - Google Patents
Assembled integral composite slab with profiled steel sheeting and installation and application Download PDFInfo
- Publication number
- CN108894423A CN108894423A CN201810818593.0A CN201810818593A CN108894423A CN 108894423 A CN108894423 A CN 108894423A CN 201810818593 A CN201810818593 A CN 201810818593A CN 108894423 A CN108894423 A CN 108894423A
- Authority
- CN
- China
- Prior art keywords
- profiled
- steel
- assembled integral
- composite slab
- integral composite
- 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.)
- Pending
Links
Classifications
-
- 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
- E04B5/16—Load-carrying floor structures wholly or partly cast or similarly formed in situ
- E04B5/32—Floor structures wholly cast in situ with or without form units or reinforcements
- E04B5/36—Floor structures wholly cast in situ with or without form units or reinforcements with form units as part of the floor
- E04B5/38—Floor structures wholly cast in situ with or without form units or reinforcements with form units as part of the floor with slab-shaped form units acting simultaneously as reinforcement; Form slabs with reinforcements extending laterally outside the element
- E04B5/40—Floor structures wholly cast in situ with or without form units or reinforcements with form units as part of the floor with slab-shaped form units acting simultaneously as reinforcement; Form slabs with reinforcements extending laterally outside the element with metal form-slabs
-
- 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
- E04B5/48—Special adaptations of floors for incorporating ducts, e.g. for heating or ventilating
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention belongs to field of civil engineering, it is larger to solve the problems, such as that existing Large-span girder and floor structure superstructure is self-possessed, specifically disclose a kind of assembled integral composite slab with profiled steel sheeting, including profiled sheet, the profiled sheet is open-type profiled sheet, including the edge of a wing and recessed rib (12), the edge of a wing and recessed rib space are uniformly connected；The lower section both ends of the profiled sheet are equipped with steel plate, profiled sheet penetrates recessed rib by peg and steel plate welds, welding is parallel to the reinforcing bar of steel plate on the edge of a wing, is fixed with perpendicular lightweight tube filler on the reinforcing bar, pours lightweight concrete above the profiled sheet.Assembled integral composite deck slabs of the invention have rigidity big, good integrity, from heavy and light, the advantages that anti-seismic performance is good, can adapt to existing large span Staggered Truss Structure Systems, realize fast industrialization construction.
Description
Technical field
Present invention is mainly used for field of civil engineering, and in particular to assembled integral composite slab with profiled steel sheeting and
Installation and application.
Background technique
In recent years, as modern architecture quickly develops, in more, height, super high-rise building, floor system is increasingly becomed
One distinct issues, the various of modern architecture are capable of providing enough use spaces using functional requirement floor system, there is foot
Enough bearing capacities, enough spans, rigidity, good ductility, shock resistance etc..In long-span floor system, the self weight of floor is to knot
The influence of structure is to cannot be neglected, and to increase rigidity generally by increasing section size to realize, thus be will increase
The self weight of structure, traditional reinforced concrete floor are no longer satisfied the big rigidity of longspan structure, high-intensitive design requirement.
Therefore, exploitation span is big, and anti-crack ability is high, and rigidity is big, light weight, and height is small, meets requirement and convenient for the novel of construction
Floor system has become a urgent problem to be solved of current construction engineering technical field.
Summary of the invention
The invention aims to solve the problems, such as that existing Large-span girder and floor structure superstructure is self-possessed larger, it is whole to provide assembly
Formula composite slab with profiled steel sheeting and installation and application.
To achieve the goals above, the present invention provides the following technical solutions：：
Assembled integral composite slab with profiled steel sheeting, including profiled sheet 1, the profiled sheet 1 are open-type pressure
Shape steel plate, including the edge of a wing 11 and recessed rib 12, the edge of a wing 11 and recessed rib 12 are spaced uniform connection；The lower section of the profiled sheet 1
Both ends are equipped with steel plate 6, and profiled sheet 1 penetrates recessed rib 12 by peg 7 and welds with steel plate 6, is welded on the edge of a wing 11 parallel
In being fixed with perpendicular lightweight tube filler 3 on the reinforcing bar 4 of steel plate 6, the reinforcing bar 4, poured in the top of the profiled sheet 1
Lightweight concrete 2.
Preferably, a length of=6000mm of the assembled integral composite slab with profiled steel sheeting, assembled integral pressure
Shape steel plate-concrete combined board width be=700mm, a height of 200mm of assembled integral composite slab with profiled steel sheeting,
The diameter of lightweight tube filler 3 is 80mm, and the width of profiled sheet 1 is 720mm.
Preferably, the profiled sheet 1 is YX50-180-720 open-type profiled sheet, and hot galvanizing is opened through roll-forming
Shape of the mouth as one speaks steel plate.
Preferably, the lightweight concrete 2 is coal gangue concrete, strength grade C30.
Preferably, the reinforcing bar 4 is on the edge of a wing 11 with the welding of identical spacing.
Preferably, the lightweight tube filler 3 be glass fiber cement, polyphenyl plastic production hollow body or be pearlite light
The light hollow body of material production, the equidistant fixation on reinforcing bar 4, for being laid with communication, electric power, ventilation, heating line.
Preferably, the steel plate 6 with a thickness of 10mm.
Preferably, the top of the profiled sheet 1 pours lightweight concrete 2 to 160mm.
The installation method of assembled integral composite slab with profiled steel sheeting, step are：
Step 1：Profiled sheet 1 is laid in ground, adds steel plate 6 at 1 downside both ends of profiled sheet；
Step 2：It is penetrated at the recessed rib 12 of profiled sheet 1 and is welded on steel plate 6 with peg 7；
Step 3：The welded reinforcement 4 at the edge of a wing of profiled sheet 1 11, the reinforcing bar 4 is parallel with steel plate 6, fixes lightweight
Tube filler 3；
Step 4：All around with plank sheathing closing, lightweight concrete 2 is poured；
The application method of assembled integral composite slab with profiled steel sheeting, step are：
Step 1：Assembled integral composite slab with profiled steel sheeting is carried to construction site；Then handling is carried out,
It should check whether hoist cable has tearing when using Special sling when handling, and lifting every time, cut off phenomenon；
Step 2：In the center line of bed board section planning girder steel 9, the center line of girder steel 9 is to be laid with assembled integral die mould steel
The control line of the fixed position of plate-concrete combined board；
Step 3：Assembled integral composite slab with profiled steel sheeting installation site line is planned on girder steel 9, and is determined
The bond pad locations of profiled sheet and girder steel welding；
Step 4：Using successively laying method mixes assembled integral profiled sheet-that is, since one end of girder steel 9 forward
Solidifying local soil type's plywood is routed to forward the other end, has the gap 8 between assembled integral composite slab with profiled steel sheeting；
Step 5：After the completion of laying, steel plate 6 and staggered truss girder steel 9 are welded and fixed；
Step 6：Gap 8 between blocking composite slab with profiled steel sheeting with waterproof material；
Step 7：It is laid with distribution bar 10 on the assembled integral composite slab with profiled steel sheeting surface laid, point
Cloth reinforcing bar uses 6@200 of Φ, and pumping pours high-strength concrete 5, reaches design requirement, carries out plastic film to high-strength concrete 5
Covering, sprinkling maintenance processing.
Compared with prior art, the present invention has the beneficial effect that：
1, profiled sheet of the invention, and be permanent template of the open-type profiled sheet as concrete floor, if load
It is bigger, then slab thickness is inevitable thick, and since load is bigger, regardless of which kind of template, steel bar stress will be added, so
Since the steel using amount of opening profiled sheet is fewer, then the weight of natural plate itself will be reduced, and cost is also low.For across
Away from bigger superstructure, the selection opening profiled sheet especially high 76mm of rib, since its rib is tall and big, the moment of inertia is big, good rigidity, institute
It is big be made no-support spaning distance, without adding temporary support, keep construction more convenient.
2, the present invention uses profiled sheet as the permanent template of concrete floor, it is possible to reduce is built when casting concrete
Template and support system, the wooden model or punching block formwork construction that floor slab construction no longer uses speed of application slower, with the prior art
It compares, simplifies floor working procedure, accelerate speed of application.
3, it is used profiled sheet as the bottom muscle of floor, has not only saved reinforcing bar, also reduce the work of assembling reinforcement
Amount；High-strength concrete is poured on lightweight concrete top, improves the strength and stiffness of composite slab with profiled steel sheeting.
4, steel plate is added in profiled sheet concrete combined board end, more convenient for compoboard and the girder steel of staggered truss structure
It welds well.
5, normal concrete is replaced dead load to be made to further decrease 20% using self-igniting coal gangue lightweight aggregate concrete,
And price is cheaper than common sandstone, has both saved sandstone non-renewable resources, and can " waste utilization ".
6, the design of floor is while considering the safety of structure, it is also contemplated that its applicability and economy.Light
Communication is laid in the center bore of matter concrete, electric power, ventilation, the pipelines such as heating reach the requirement of beauty, and are conducive to the later period
Punch maintenance.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of assembled integral composite slab with profiled steel sheeting of the present invention；
Fig. 2 is the installation diagram of medium-pressure type steel plate of the present invention；
Fig. 3 is the construction laying figure of assembled integral composite slab with profiled steel sheeting of the present invention；
Structural schematic diagram when Fig. 4 is the construction of assembled integral composite slab with profiled steel sheeting.
Wherein, 1- profiled sheet, 2- lightweight concrete, 3- lightweight tube filler, 4- transverse steel, 5- high-strength concrete, 6- steel
Plate, 7- peg, the gap 8-, 9- girder steel, 10- distribution bar, the edge of a wing 11-, the recessed rib of 12-.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Embodiment 1：
With reference to Fig. 1, Fig. 2, the present invention includes profiled sheet 1, and the profiled sheet 1 includes the edge of a wing 11 and recessed rib 12, the edge of a wing
11 and recessed rib 12 be spaced uniform connection, in the present embodiment, profiled sheet 1 be YX50-180-720 open-type profiled sheet, institute
The downside both ends for stating profiled sheet 1 are equipped with the steel plate 6 of 10mm thickness, and the girder steel convenient for compoboard and staggered truss structure preferably welds
It connects.Profiled sheet 1 penetrates recessed rib 12 by peg 7 and welds with steel plate 6, and wherein peg 7 welds nail, and material and pressure using socket cap
The material of shape steel plate matches, and when welding of peg, removes the antirust at 6 contact surface position of zinc-plated film and steel plate on profiled sheet 1
Paint, to ensure the quality of 6 top surface of steel plate Yu 7 weld seam of peg；Welding is parallel to the reinforcing bar 4 of steel plate 6, reinforcing bar on the edge of a wing 11
4 equidistant welding ensure that the Shear transfer between 2 superposed surfaces of profiled sheet 1 and lightweight concrete, fix on the reinforcing bar 4
There are perpendicular lightweight tube filler 3, the equidistant fixation on reinforcing bar 4 of lightweight tube filler 3, lightweight tube filler 3 is glass fiber cement system
The hollow body of work, for being laid with communication, electric power, ventilation, the pipelines such as heating；All around with plank sheathing closing, in profiled sheet 1
Top pours lightweight concrete 2 to 160mm, and lightweight concrete 2 is coal gangue concrete in the present embodiment, and strength grade is
C30, for building high-rise building, building weight saving 20%.Need to check the appearance matter of 3 round tube of lightweight tube filler before pouring
Whether there is or not breakages for amount, to prevent casting concrete blocking.
YX50-180-720 open-type profiled sheet is selected in the present embodiment, and building biggish for loading ratio is selected
YX50-180-720 open-type profiled sheet, since its load is bigger, so slab thickness is inevitable thick, and since load compares
Greatly, regardless of which kind of template, steel bar stress will be added, and the steel using amount for the profiled sheet that is open is relatively low, which save costs.It is right
In the bigger superstructure of span, the selection opening high 76mm of profiled sheet, especially rib (75), since its rib is tall and big, the moment of inertia is big,
Good rigidity, without adding temporary support, keeps construction more convenient so be made no-support spaning distance is big.
Embodiment 2：With reference to Fig. 1,2, in the present embodiment, only lightweight tube filler 3 is different, and lightweight tube filler 3 is polyphenyl plastics system
The hollow body of work, remaining structure are same as Example 1.
Embodiment 3：With reference to Fig. 1,2, in the present embodiment, only lightweight tube filler 3 is different, 3 pearlite light material of lightweight tube filler
Expect the light hollow body of production, remaining structure is same as Example 1.
Embodiment 4：With reference to Fig. 1, Fig. 2, installation method of the invention：Open-type profiled sheet 1 is laid on ground,
The lower section both ends of profiled sheet 1 add steel plate 6, are penetrated at the recessed rib 12 of profiled sheet 1 with peg 7 and by its welding steel 6,
Transverse steel 4 is welded at profiled sheet top flange 11, fixes light material tube filler 3, all around with plank sheathing closing, is poured
Lightweight concrete 2, after the solidification of lightweight concrete 2, pumping pours high-strength concrete 5, and intensity reaches prescribed requirement, carries out to it
Maintenance, is transported to construction site for assembled integral composite slab with profiled steel sheeting.
Embodiment 5, with reference to Fig. 3,4, application method of the invention：First by assembled integral profiled sheet-coagulation local soil type
After plywood is transported to construction site, Special sling is used when handling, guarantees that profiled sheet plate is integrally indeformable, part not crimping,
It should check whether hoist cable has tearing when lifting every time, cut off phenomenon.First go out the center line of girder steel 9 in bed board section planning, girder steel 9
Center line is the control line for being laid with assembled integral composite slab with profiled steel sheeting position, and it is whole that assembly is cooked up on girder steel 9
Body formula composite slab with profiled steel sheeting installation site line, and determine the bond pad locations of profiled sheet and girder steel welding.Then it adopts
Be routed to the other end forward that is, since one section of beam with successively laying method forward, after the completion of compoboard is laid with, to steel plate 6 with
Staggered truss girder steel 9 is welded and fixed.Between finally blocking assembled integral composite slab with profiled steel sheeting with waterproof material
Gap 8, avoid running pulp from causing the blocking in casting concrete of compoboard side edge center hole, in the present embodiment waterproof material
Material is polyurethane water-proof paint.Distribution steel is laid on the assembled integral composite slab with profiled steel sheeting surface laid again
Muscle 10, distribution bar use 6@200 of Φ, and pumping pours high-strength concrete 5, reaches the height of design requirement to high-strength concrete 5
Carry out plastic film covering, sprinkling maintenance processing.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the scope of the present invention.It is all
Any modification, equivalent replacement, improvement and so within the spirit and principles in the present invention, are all contained in protection scope of the present invention
It is interior.
Claims (10)
1. assembled integral composite slab with profiled steel sheeting, including profiled sheet (1), it is characterised in that：The profiled sheet
It (1) is open-type profiled sheet, including the edge of a wing (11) and recessed rib (12), the edge of a wing (11) and recessed rib (12) interval uniformly connect
It connects；The lower section both ends of the profiled sheet (1) be equipped with steel plate (6), profiled sheet (1) by peg (7) penetrate recessed rib (12) with
Steel plate (6) welding, welding is parallel to the reinforcing bar (4) of steel plate (6) on the edge of a wing (11), be fixed on the reinforcing bar (4) with
Its vertical lightweight tube filler (3) pours lightweight concrete (2) above the profiled sheet (1).
2. assembled integral composite slab with profiled steel sheeting according to claim 1, which is characterized in that the assembly
A length of=6000mm of monoblock type composite slab with profiled steel sheeting, the width of assembled integral composite slab with profiled steel sheeting
For=700mm, a height of 200mm of assembled integral composite slab with profiled steel sheeting, the diameter of lightweight tube filler (3) is 80mm,
The width of profiled sheet (1) is 720mm.
3. assembled integral composite slab with profiled steel sheeting according to claim 1, it is characterised in that：The die mould
Steel plate (1) is YX50-180-720 open-type profiled sheet, opening shape steel plate of the hot galvanizing through roll-forming.
4. assembled integral composite slab with profiled steel sheeting according to claim 1, it is characterised in that：The lightweight
Concrete (2) is coal gangue concrete, strength grade C30.
5. assembled integral composite slab with profiled steel sheeting according to claim 1, it is characterised in that：The reinforcing bar
(4) with the welding of identical spacing on the edge of a wing (11).
6. assembled integral composite slab with profiled steel sheeting according to claim 1, it is characterised in that：The lightweight
Tube filler (3) be glass fiber cement, polyphenyl plastic production hollow body or be pearlite light material production light hollow body,
The equidistant fixation on reinforcing bar (4), for being laid with communication, electric power, ventilation, heating line.
7. assembled integral composite slab with profiled steel sheeting according to claim 1, it is characterised in that：The steel plate
(6) with a thickness of 10mm.
8. assembled integral composite slab with profiled steel sheeting according to claim 1, which is characterized in that the die mould
Lightweight concrete (2) is poured above steel plate (1) to 160mm.
9. according to claim 1 in -8 assembled integral composite slab with profiled steel sheeting described in any claim peace
Dress method, which is characterized in that its step is：
Step 1：Profiled sheet (1) is laid in ground, both ends add steel plate (6) on the downside of profiled sheet (1)；
Step 2：It is penetrated at the recessed rib (12) of profiled sheet (1) and is welded on steel plate (6) with peg (7)；
Step 3：The welded reinforcement (4) at the edge of a wing (11) of profiled sheet (1), the reinforcing bar (4) is parallel with steel plate (6), fixed
Good lightweight tube filler (3)；
Step 4：All around with plank sheathing closing, lightweight concrete (2) are poured.
10. assembled integral composite slab with profiled steel sheeting described in any claim makes in -8 according to claim 1
With method, which is characterized in that its step is：
Step 1：Assembled integral composite slab with profiled steel sheeting is carried to construction site；Then handling, handling are carried out
Shi Caiyong Special sling, and should check whether hoist cable has tearing when each lifting, cut off phenomenon；
Step 2：In the center line of bed board section planning girder steel (9), the center line of girder steel (9) is to be laid with assembled integral die mould steel
The control line of the fixed position of plate-concrete combined board；
Step 3：Assembled integral composite slab with profiled steel sheeting installation site line is planned on girder steel (9), and determines to press
The bond pad locations of shape steel plate and girder steel welding；
Step 4：Using successively laying method forward, i.e., since one end of girder steel (9), by assembled integral profiled sheet-coagulation
Local soil type's plywood is routed to forward the other end, and (8) are had the gap between assembled integral composite slab with profiled steel sheeting；
Step 5：After the completion of laying, steel plate (6) and staggered truss girder steel (9) are welded and fixed；
Step 6：Between blocking assembled integral composite slab with profiled steel sheeting with waterproof material gap (8)；
Step 7：Distribution bar (10) are laid on the assembled integral composite slab with profiled steel sheeting surface laid, distribution
Reinforcing bar uses 6@200 of Φ, and pumping pours high-strength concrete (5), reaches design requirement, and it is thin to carry out plastics to high-strength concrete (5)
Film covering, sprinkling maintenance processing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810818593.0A CN108894423A (en) | 2018-07-24 | 2018-07-24 | Assembled integral composite slab with profiled steel sheeting and installation and application |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810818593.0A CN108894423A (en) | 2018-07-24 | 2018-07-24 | Assembled integral composite slab with profiled steel sheeting and installation and application |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108894423A true CN108894423A (en) | 2018-11-27 |
Family
ID=64351813
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810818593.0A Pending CN108894423A (en) | 2018-07-24 | 2018-07-24 | Assembled integral composite slab with profiled steel sheeting and installation and application |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108894423A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110439122A (en) * | 2019-08-21 | 2019-11-12 | 沈阳建筑大学 | A kind of precast floor slab and H profile steel beam connecting structure and connection method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2268068Y (en) * | 1996-06-11 | 1997-11-19 | 阜新市房产建筑构件厂 | Cold-rolled ribbed reinforced coal-gangue concrete integral floorslab |
| CN202031215U (en) * | 2010-05-06 | 2011-11-09 | 北京建筑工程学院 | Combined floor of bar-mat reinforcement sheets and profiled steel sheets by adopting spot welding |
| CN202248451U (en) * | 2011-09-01 | 2012-05-30 | 建研科技股份有限公司 | Self-supporting thermal-insulation hollow floor slab |
| CN102995746A (en) * | 2012-11-21 | 2013-03-27 | 广州建筑股份有限公司 | Beam slab node of renewable hybrid combined floor slab made of U-shaped steel-encased renewable hybrid beam and construction method thereof |
| WO2013164677A1 (en) * | 2012-05-03 | 2013-11-07 | Arcelormittal Investigación Y Desarrollo Sl | Formwork and associated floor |
-
2018
- 2018-07-24 CN CN201810818593.0A patent/CN108894423A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2268068Y (en) * | 1996-06-11 | 1997-11-19 | 阜新市房产建筑构件厂 | Cold-rolled ribbed reinforced coal-gangue concrete integral floorslab |
| CN202031215U (en) * | 2010-05-06 | 2011-11-09 | 北京建筑工程学院 | Combined floor of bar-mat reinforcement sheets and profiled steel sheets by adopting spot welding |
| CN202248451U (en) * | 2011-09-01 | 2012-05-30 | 建研科技股份有限公司 | Self-supporting thermal-insulation hollow floor slab |
| WO2013164677A1 (en) * | 2012-05-03 | 2013-11-07 | Arcelormittal Investigación Y Desarrollo Sl | Formwork and associated floor |
| CN102995746A (en) * | 2012-11-21 | 2013-03-27 | 广州建筑股份有限公司 | Beam slab node of renewable hybrid combined floor slab made of U-shaped steel-encased renewable hybrid beam and construction method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110439122A (en) * | 2019-08-21 | 2019-11-12 | 沈阳建筑大学 | A kind of precast floor slab and H profile steel beam connecting structure and connection method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106401036B (en) | A kind of assembled steel frame prefabricated concrete floor structure | |
| CN207194146U (en) | Prestressing force assembly concrete frame joint attachment structure | |
| CN105002816B (en) | The fish belly I shape prestressing force steel reinforced concrete composite continuous bridge of precast assembly and construction method | |
| CN107476476A (en) | Combined construction method of long-span steel bar truss floor bearing plate and reinforced concrete beam | |
| CN106567458B (en) | Assembled steel-is mixed to combine Beam-post Frame Structure system | |
| CN208917657U (en) | Prefabricated assembled ultra-high performance concrete prestressing force i-shaped beams | |
| CN208668765U (en) | Precast prestressed beam and assembled composite frame structure | |
| CN101839033A (en) | Closed profiled steel sheet-concrete composite floor and construction method thereof | |
| CN108755963A (en) | A kind of partial precast assembled steel reinforced concrete giant frame structure and construction method | |
| CN106013432A (en) | Joint connecting structure in high-ductility assembled integrated frame and construction method | |
| CN106088355A (en) | A kind of precast concrete interlayer connecting method | |
| CN204311614U (en) | The fabricated shear wall of prestressing force splicing | |
| CN106121049A (en) | Compound shear wall is connected energy dissipation node and preparation method thereof with steel bar girder combination beam | |
| CN113047161A (en) | Joint structure of NC-UHPC (numerical control-ultra high-performance polycarbonate) hybrid rigid frame bridge, hybrid rigid frame bridge and construction method of hybrid rigid frame bridge | |
| CN207686092U (en) | A kind of assembled overlapped hollow floor system | |
| CN108374356A (en) | A kind of old hollow slab bridge of hinge seam longitudinal prestressing reinforcing single hole constructs and construction method | |
| CN106760108A (en) | A kind of prefabricated overlapping board connecting equipment | |
| CN108532810A (en) | A kind of recycled concrete superposed composite floor of steel plate- | |
| CN111472258A (en) | Large-span suspension bridge GFRP rib precast slab combined beam bridge deck system and construction method thereof | |
| CN208219952U (en) | A kind of recycled concrete superposed composite floor of steel plate- | |
| CN108316164A (en) | It is a kind of to reinforce old assembled Hollow Slab Beam Bridge construction and construction method using new beam | |
| CN108894423A (en) | Assembled integral composite slab with profiled steel sheeting and installation and application | |
| CN209941467U (en) | Assembled stride ultra high performance concrete box girder combination formula node greatly | |
| CN210164120U (en) | Beam slab structure | |
| CN208668274U (en) | A kind of steel reinforced concrete composite beam bridge |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181127 |