CN107882268A - A kind of prefabricated convex beam - Google Patents
A kind of prefabricated convex beam Download PDFInfo
- Publication number
- CN107882268A CN107882268A CN201710952398.2A CN201710952398A CN107882268A CN 107882268 A CN107882268 A CN 107882268A CN 201710952398 A CN201710952398 A CN 201710952398A CN 107882268 A CN107882268 A CN 107882268A
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- Prior art keywords
- prefabricated
- convex
- convex beam
- reinforcing bar
- prefabricated convex
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- 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.)
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- 230000003014 reinforcing effect Effects 0.000 claims abstract description 41
- 229910000831 Steel Inorganic materials 0.000 description 25
- 239000010959 steel Substances 0.000 description 25
- 239000004567 concrete Substances 0.000 description 19
- 238000005516 engineering process Methods 0.000 description 13
- 238000010276 construction Methods 0.000 description 9
- 238000011065 in-situ storage Methods 0.000 description 8
- 238000012360 testing method Methods 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 6
- 239000011150 reinforced concrete Substances 0.000 description 5
- 230000002787 reinforcement Effects 0.000 description 5
- 239000000779 smoke Substances 0.000 description 5
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 4
- 230000007547 defect Effects 0.000 description 4
- 238000012795 verification Methods 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 208000037656 Respiratory Sounds Diseases 0.000 description 2
- 230000002457 bidirectional effect Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 238000004880 explosion Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 210000003205 muscle Anatomy 0.000 description 2
- 238000007569 slipcasting Methods 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 238000010923 batch production Methods 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 210000003746 feather Anatomy 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000013139 quantization Methods 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 210000002784 stomach Anatomy 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 238000013517 stratification Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 210000002435 tendon Anatomy 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C3/00—Structural elongated elements designed for load-supporting
- E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
- E04C3/20—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of concrete or other stone-like material, e.g. with reinforcements or tensioning members
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Rod-Shaped Construction Members (AREA)
Abstract
The present invention provides a kind of prefabricated convex beam, and the prefabricated convex beam is prefabricated hollow beam；Width in the beam bottom width degree ＞ convex beams of the prefabricated convex beam；The horizontal ledge height ＜ 100mm of the convex beam beam bottom width degree；The width ＜ 200mm of the convex beam beam bottom width degree horizontal ledge；The height ＞ 300mm of the convex beam vertical lug point；There is the stretching of beam stress reinforcing bar at the convex beam both ends.
Description
Technical field
The present invention relates to a kind of assembled architecture systems technology, and in particular to a kind of prefabricated convex beam technology.
Background technology
Country widelys popularize assembled architecture, specify that specific implementation plan；And require in reinforced concrete frame knot
Extensive use in structure, reinforced concrete frame shear wall structure, steel construction and steel-concrete combined structure system, it specify that China fills
With formula architectural structure system and application field；But the assembled architecture floor ground zero of large span horizontal structure, and use
Be common laminated floor slab, technology existing defects, assembled architecture cost is too high, earth-free gas, cause country promote assembled
Built speed is obstructed.
Prior art is using common beam slab such as a kind of ZL200410082381.9 " empty stomach little Mi Lei buildings of inventor
Lid " and ZL200820126232.1 " a kind of cast-in-situ section steel concrete cavity building roof ", hollow filling body is embedded in shape in cast-in-situ floor
Into " T fonts " stress cross-section hollow layer, solve the problems, such as large span, large space, big load.In order that girt strip reinforcing bar leads in length and breadth
Steel I-beam web is crossed, forms the cast-in-situ hollow floor plate of continuous slab band, the too many simultaneously aperture in the hole reserved in steel I-beam web
It is too small, processing trouble；Meanwhile the cement hollow obturator setting and hardening time is grown, mould utilization factor is low, and hollow filling volume density is big
Matter weight, production and transport inconvenience and the defects of obturator globality poor cracky.
To realize industrialized production, inventor applies for that ZL201310332173.9 " use by a kind of cast-in-situ hollow building roof pore-forming again
Netted box component " and ZL201510331724.X " a kind of Novel steel-mixed combination cast-in-situ hollow building roof ", to it is existing pour it is hollow
Superstructure technology carries out General Promotion, realizes transition and upgrade, updates and significantly reduce the deadweight of cavity building roof, add
Self-heat preservation heat insulation performance, safety of structure is strong, solve realize large span, large space, big load hollow floor existing for ask
Topic；Inventor constantly lifts oneself cast-in-situ hollow building roof background technology, is assembled architecture large span, the horizontal structure without bright beam
The basis of hard stone is established；Although solving the problems, such as into pole production, all it is cast-in-site, dress is pushed away by force with country
It is not inconsistent with formula spirit.
Again in order to promote China's housing industrialization development, " one kind is used for sky to the ZL201620410363.7 of inventor's application
The prefabricated component of chamber superstructure " and ZL201620553181.5 " a kind of stress island cavity building roof prefabricated cavity member "
Cast-in-place concrete hollow building roof, assembled architecture field is expanded to by creating transition, solve assembled arthitecutral structure entirety
The problems such as poor, large span of property is without bright beam, component super large, component industrialization, construction quality controllability, work efficiency and environmental protection；This
, although having tamped basis for China's Process of Housing Industrialization, the prefabricated assembled cavity plate structure of long strip type also be present in a little inventions
The crackle in gap, bidirectional stress cavity floor transverse direction steel when the one-way of part stress, two pieces of prefabricated assembled cavity plate splits
The problems such as connection space limitation of muscle.
Currently, since assembled architecture also has many Ji arts Wen Ti No to have solution, popularization is caused to be obstructed；In order to promote to build
Scientific and technological progress, use is multi-functional, economy, scientific and technological content, energy-conserving and environment-protective and the market demand are big, safety coefficient is high, cost
It is low, meet the architectural structure system of national industrial policies and industrial development direction again.Therefore, inventor is again in existing background of controlling oneself
On the basis of technology, by being applied in assembled arthitecutral structure for cast-in-situ hollow building roof technology creation, new assembling is formed
Formula cassette ceiling structural system；Cast-in-place cavity building roof Technology Difficulties problem is solved in batch production, sizing production prefabricated post, prefabricated
Beam, assembled cavity floor component, steel structure member, structure be integrally forced through behind scene pour top flange plate and combination girt strip or
Prestressed mode solves, the prefabricated assembled Cavity structural member of factorial praluction and steel construction and the organic knot of reinforced concrete frame
Altogether；Again in order to promote China's housing industrialization to develop in a healthy way, recently, inventor participates in big by Tongji University in oneself production base
, civil construction institute of Central South University, national Tianjin fire research preside over largest " assembled large span is without secondary beam
Steel construction cavity floor full scale test ", " assembled large span is without bright joist steel tendon concrete structure full scale test ", " utilization assembling
The fire control smoke exhausting experiment of formula cavity floor " examines inventor's prior art innovative, advanced, reasonability and security；Examination
Test the multispan load pressurization full scale test and Assembled Building plate ultimate load loading full scale test using continuous slab band, ultimate load
The specific data of load test be done without beam assembled experimental model span 8.4m, surrounding encorbelment 1.6m, length of side 11.6m, by
Pressure surface accumulates 134.56m2, use dynamic load 2KN, actual loaded load 22KN；Limit crack national standard is 1.5mm, and actual crack is only
There is 0.5mm；It is 168mm, actural deflection 39mm by national standard calculating limit amount of deflection；Assembled architecture is in reinforcing bar by verification experimental verification
Security of the concrete structure without the structure of bright beam or steel construction without secondary beam；Single load bearing floor member is changed into by verification experimental verification
Bidirectional stress floor, the floor construction that monolithic freely-supported floor member is changed into continuous slab band；Thoroughly solves large span floor structure
The problems such as part bonding crack cracking, fire prevention, sound insulation, long-term maintenance, assembly technology, particularly assembled architecture cost have dropped
20%；Logical structure full scale test, further innovates for assembled architecture and has tamped practical basis；But experiment discloses assembled
The distribution of building structure internal force becomes rule, and also in the case where ensuring the preceding topic of assembled arthitecutral structure safety requirements, assembled is built
Build the space that technology also much optimizes.A kind of prefabricated convex beam of assembled architecture is researched and developed, has become assembled architecture skill
The urgent need of art field innovation.
The content of the invention
It is an object of the invention to the prefabricated assembled component factorial praluction, particularly prefabricated convex beam, at the scene
Reinforced concrete frame structure is assembled into, technology is poured after and is combined, improves the globality of assembled arthitecutral structure；
Mitigate cavity plate member dead weight and organically combined with prefabricated convex beam, realize that assembled lowers without bright beam or bright beam；Prefabricated
Hole, hollow, prefabricated convex beam inclined-plane is set to mitigate the deadweight of prefabricated convex beam to reach and improve security, reality in convex beam
It is existing multi-functional；Save a series of defects such as floor height space layer height shared by existing assembled laminated floor slab.
Technical scheme is as follows, and a kind of prefabricated convex beam, the prefabricated convex beam is prefabricated hollow beam；
Width in the beam bottom width degree ＞ convex beams of the prefabricated convex beam；The horizontal ledge height ＜ of the convex beam beam bottom width degree
100mm；The width ＜ 200mm of the convex beam beam bottom width degree horizontal ledge；The height of the convex beam vertical lug point
Spend ＞ 300mm；There is the stretching of beam stress reinforcing bar at the convex beam both ends.
The prefabricated convex beam two ends are in inclined-plane；Its inclined-plane tilts to beam bottom body.
In the prefabricated convex beam, the hole of longitudinal combination girt strip reinforcing bar break-through is reserved.
The prefabricated convex beam bottom sets reinforcing bar of laterally encorbelmenting；The two ends of the reinforcing bar of encorbelmenting are recessed, are placed on beam bottom
Above reinforcing bar；The beam stress reinforcing bar on the prefabricated convex beam base be placed in reinforcing bar two ends of encorbelmenting it is recessed in.
A kind of prefabricated convex beam of assembled architecture of the present invention, is that water is directed on the basis of Architectural Structure Design drawing
The physical dimension of flat structure superstructure and vertical stratification wallboard, Architectural Structure Design drawing is decomposed, quantization two is carried out to assembling form
Secondary design, drawing resolve into N number of prefabricated member and wall body construction etc., and factory is produced into the specification by the paper organization of decomposition
The prefabricated member of model, by prefabricated member be transported to engineering construction assembled in situ and after pour and form.
The prefabricated assembled component being factorial praluction of specific implementation, particularly prefabricated convex beam, at the scene group
Reinforced concrete frame structure is dressed up, the binding site of each component is combined by rear pouring concrete technology, improves assembling
The globality of formula building structure；Cavity board member is placed in prefabricated convex beam two sides, realizes assembled without bright beam or bright
Beam lowers；Set in prefabricated convex beam hole, hollow, prefabricated convex beam inclined-plane come reach mitigate prefabricated convex beam deadweight and
Security is improved, is realized multi-functional；Save a series of defects such as space layer height shared by existing assembled laminated floor slab；Assembled is built
Build width in the beam bottom width degree ＞ convex beams with prefabricated convex beam, general span 8400mm assembling frame structure it is prefabricated
The beam bottom width degree of convex beam is 600mm；After floor assembling during not obvious beam, prefabricated convex beam horizontal ledge height
80mm, the width of convex beam beam bottom width degree horizontal ledge is 100mm；Assembling frame structure of the general span in 8400mm
The beam bottom width degree of prefabricated convex beam be 550mm；After floor assembling during obvious beam, prefabricated convex beam horizontal ledge height
180mm, the width of convex beam beam bottom width degree horizontal ledge is 100mm；It is described, the height of convex beam vertical lug point
400mm；Prefabricated convex beam is generally solid beam, in order to mitigate the deadweight of prefabricated convex beam and by the use of beam as multi-functional pipeline, in advance
Hollow beam is made；In order to pour contact surface after increasing prefabricated convex beam, the crackle of prefabricated convex beam and rear pouring concrete is prevented, will be prefabricated
Convex beam two ends are in inclined-plane, and inclined-plane tilts to beam bottom body, allows after the more bracketings of concrete for pouring post interface or cap prefabricated convex
Type beam；At the natural axis of prefabricated convex beam, the hole of longitudinal combination girt strip reinforcing bar break-through is reserved, forms continuous slab band and more work(
Can hole；Prefabricated convex beam bottom sets reinforcing bar of laterally encorbelmenting, and when not obvious beam, the two ends for reinforcing bar of encorbelmenting are recessed；When obvious beam
When, the two ends of reinforcing bar of encorbelmenting can not be recessed into straight reinforcing bar down, and prefabricated convex beam bottom reinforcing bar of encorbelmenting is placed on beam bottom reinforcing bar
Above；Prefabricated convex beam feather edge reinforcing steel bar bear reinforcing bar be placed in reinforcing bar two ends of encorbelmenting it is recessed in or reinforcing bar of encorbelmenting above, it is main
Be to ensure that assembling cavity board member bears pressure.Convex beam both ends steel bar stress is connected after stretching out with mechanical connection with slip casting
Method be attached；In the space of two beam connections, while concrete is poured into a mould after connecting other functors, realize a kind of use
Form assembled architecture.
Brief description of the drawings
Fig. 1 is the prefabricated convex beam of the present invention without bright beam floor cross section.
Fig. 2 is prefabricated post node diagram of the present invention.
Fig. 3 is cavity floor longitudinal combination girt strip explosion views of the present invention.
Fig. 4, Fig. 5, Fig. 6 are front view, stereogram and the side view of cavity board member of the present invention.
Fig. 7 is that steel mesh with ribbing engraves structure chart in cavity board member of the present invention.
Embodiment
The present invention is further described below in conjunction with the accompanying drawings.
Fig. 1 be the prefabricated convex beam of the present invention without bright beam floor cross-sectional embodiment, when the present invention is implemented, factory is made
Good prefabricated convex beam 2, the bottom width of prefabricated convex beam 2 within 600mm, the height of prefabricated convex beam 2 600mm with
It is interior；In order to mitigate weight, hollow beam 26 can be formed；When forming the prefabricated convex beam without bright beam floor, under cavity plate component termination
Hold concave, the prefabricated bottom protrusion height of convex beam 2 is usually within 100mm, longitudinal rib beam direction stress is now ensured, by longitudinal rib
Beam bottom reinforcement bars termination upwarps 100mm；The prefabricated bottom protrusion width of convex beam 2 is usually 100mm, cavity plate component termination lower end
Concave size matches with beam, and bumps combine, and realize without bright beam floor；Cavity board member 3 is transported to after job site respectively,
The prefabricated bottom of convex beam 2 is supported with heavy caliber support bar 24 again, between the assembly of support bar 24 and the prefabricated bottom of convex beam 2, most
Handy supporting plate 23 balances；The prefabricated bottom protrusion height of convex beam 2 is usually most preferably 100mm within 200mm；Prefabricated convex beam 2
Bottom protrusion width is usually most preferably 100mm within 150mm；The prefabricated middle and upper part ledge width of convex beam 2 is usually 400mm
Within, height ＞ 300mm；The extension of reinforcing bar 21 waits to go here and there prefabricated post and prefabricated post steel bar stress connection space, and prefabricated post connects
The part of cap is set up in socket part position；Cavity board member 3 is placed in the both sides of the prefabricated hoop reinforcing steel bar 22 of convex beam 2；In order to hold
By the partial pressure of cavity board member 3, N root hyphens reinforcing bar 25 is additionally arranged at the bottom of to strengthen in prefabricated convex beam 2, but it is pre- in order to reduce
The thickness of the bottom projection of convex beam 2 processed, N root hyphen reinforcement fabrications are into two concave shape 25, by the prefabricated bottom of convex beam 2
The reinforcing bar on both sides is placed on concave shape position, and the reinforcing bar on the bottom both sides of convex beam 2 is chosen with N root hyphen reinforcing bars, in N root hyphen steel
The prefabricated hoop reinforcing steel bar of convex beam 2 that muscle is fabricated to the position of two concave shape 25 is bigger than the diameter of other hoop reinforcing steel bars；It is pre- in order to mitigate
The deadweight of convex beam 2 processed and solar energy, fire control smoke exhausting multipotency pipeline are realized using prefabricated convex beam 2, prefabricated convex beam 2 is formed
Hollow beam 26.
Fig. 2 is prefabricated post node diagram of the present invention, the reinforcing bar 11 of the two sections prefabricated post 1 contour with floor is vertically connected, even
Connect and typically use slip casting method joint 12, upper section prefabricated post reinforcing bar 11 should not be in same level with lower section prefabricated post reinforcing bar 11 every
On face, joint 12 should misplace 13 connections, upper section prefabricated post reinforcing bar 11 and lower section prefabricated post reinforcing bar 11 every misplace 13 be connected after, shape
Stretch to the space 14 of bar connecting into precast main beam；In order to allow the concrete of upper section prefabricated post 1 to be combined with rear pouring concrete, upper section is prefabricated
The concrete of post 1 should be less than the surface of floor top flange plate rear pouring concrete.
Fig. 3 is cavity floor longitudinal combination girt strip explosion views of the present invention, is the globality of reinforcement structure stress and from basic
The upper combinated seam 29 solved between two pieces of cavity board members 3 ftractures, and the bottom surface on cavity board member longitudinal rib beam side has L shape concrete convex
211, ledge width 70mm are played, raised high width is within 30mm；By the adjacent longitudinal bar concrete girt strip side of two pieces of cavity board members 3
Raised 211 splits of the L shape concrete of 27 bottom surfaces, form split notch 25 and combinated seam 29, longitudinal direction are disposed in split notch 25
Girt strip reinforcing bar 26 is combined, and longitudinal combination girt strip hole is reserved by prefabricated convex beam, forms elongated reinforcing bar；In split notch 25
Connect transverse steel and formed and regenerate horizontal girt strip；Engrave and superstructure is laid above 28 in cavity plate member upper surface and steel mesh with ribbing again
Top flange plate reinforcing bar, thereafter property pour concrete again；In order to exclude open type cavity board member in time in accumulating and installation process
In casual water, in the bottom wing listrium of cavity board member set row casual water N number of aperture 212.
Fig. 4, Fig. 5, Fig. 6 are front view, stereogram and the side view of cavity board member of the present invention, and cavity board member 3 is by indulging
To girt strip 214, longitudinal girt strip side 27, the L shape concrete projection 211 of longitudinal edge rib, horizontal girt strip 215, the horizontal girt strip of regeneration
Reinforcing bar stretching, termination transverse direction girt strip 213, steel mesh with ribbing are engraved 216, closed conduit hole 315 and formed；In crisscross girt strip grid
Lay steel mesh with ribbing and engrave 216, in order to reduce fire control smoke exhausting resistance, set up in steel mesh with ribbing engraves 216 the small closed conduit of plate system with it is dark
Pipe hole 315 penetrates；Surface is provided with suspension ring and rib reinforcement and reserves exposed, and concrete or mortar are prefabricated with girt strip and bottom wing listrium 314；
During used in floor without bright beam, the lower end of two ends cross rib 213 concave 313 of cavity board member 3.
Fig. 7 is that steel mesh with ribbing engraves structure chart, with ribbing steel mesh of the cavity board member into cavity in cavity board member of the present invention
Engrave 5 and body 54 is engraved by steel mesh body with ribbing, built-in bar-mat reinforcement supporter net 53, plug 57 and impression corner 56 are formed；In order to reduce
Engraved as exhaust resistance during fire control smoke exhausting pipeline in steel mesh with ribbing in 5 in the space 55 that steel mesh with ribbing is engraved into structure whole cavity
Jiong shape sheet-metal duct 52 is put again, allows the wind with smog directly to engrave to put again in 5 in Jiong shape sheet-metal duct 51 from steel mesh with ribbing and discharge；Band
Rib steel net is engraved 5 and is used along the termination perforate in Jiong shape thin-walled air channel 51 as fire-fighting smoke controlling pipeline or solar energy air supply duct, real
Cavity floor multifunctional application is showed.
Finally it should be noted that:The above embodiments are merely illustrative of the technical scheme of the present invention and are not intended to be limiting thereof, to the greatest extent
The present invention is described in detail with reference to above-described embodiment for pipe, it should be understood by a person of ordinary skill in the art that still
The embodiment of the present invention can be modified or equivalent substitution, and end departs from any of spirit and scope of the invention
Modification or equivalent substitution, it all should cover among scope of the presently claimed invention.
Claims (4)
1. a kind of prefabricated convex beam, the prefabricated convex beam is prefabricated hollow beam；The beam bottom width of the prefabricated convex beam
Spend width in ＞ convex beams；The horizontal ledge height ＜ 100mm of the convex beam beam bottom width degree；The convex beam beam bottom width
Spend the width ＜ 200mm of horizontal ledge；The height ＞ 300mm of the convex beam vertical lug point；The convex beam two
There is the stretching of beam stress reinforcing bar at end.
2. a kind of prefabricated convex beam as claimed in claim 1, it is characterised in that the prefabricated convex beam two ends are in
Inclined-plane；Its inclined-plane tilts to beam bottom body.
3. a kind of prefabricated convex beam as claimed in claim 1, it is characterised in that in the prefabricated convex beam, reserve vertical
To the hole of combination girt strip reinforcing bar break-through.
4. a kind of prefabricated convex beam as claimed in claim 1, it is characterised in that the prefabricated convex beam bottom sets horizontal
To reinforcing bar of encorbelmenting；The two ends of the reinforcing bar of encorbelmenting are recessed, are placed on above the reinforcing bar of beam bottom；The prefabricated convex beam base
Beam stress reinforcing bar be placed in reinforcing bar two ends of encorbelmenting it is recessed in.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710952398.2A CN107882268A (en) | 2017-10-13 | 2017-10-13 | A kind of prefabricated convex beam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710952398.2A CN107882268A (en) | 2017-10-13 | 2017-10-13 | A kind of prefabricated convex beam |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107882268A true CN107882268A (en) | 2018-04-06 |
Family
ID=61781585
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710952398.2A Pending CN107882268A (en) | 2017-10-13 | 2017-10-13 | A kind of prefabricated convex beam |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107882268A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3918222A (en) * | 1974-06-03 | 1975-11-11 | Bahram Bahramian | Prefabricated modular flooring and roofing system |
| US4333285A (en) * | 1977-01-20 | 1982-06-08 | Kajima Kensetsu Kabushiki Kaisha | Building structure |
| CN106381952A (en) * | 2016-10-21 | 2017-02-08 | 王海崴 | Assembling type overlapped cavity floor cover |
| CN208777555U (en) * | 2017-10-13 | 2019-04-23 | 湖南标迪夫节能科技有限公司 | A kind of prefabricated convex beam |
-
2017
- 2017-10-13 CN CN201710952398.2A patent/CN107882268A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3918222A (en) * | 1974-06-03 | 1975-11-11 | Bahram Bahramian | Prefabricated modular flooring and roofing system |
| US4333285A (en) * | 1977-01-20 | 1982-06-08 | Kajima Kensetsu Kabushiki Kaisha | Building structure |
| CN106381952A (en) * | 2016-10-21 | 2017-02-08 | 王海崴 | Assembling type overlapped cavity floor cover |
| CN208777555U (en) * | 2017-10-13 | 2019-04-23 | 湖南标迪夫节能科技有限公司 | A kind of prefabricated convex beam |
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Application publication date: 20180406 |