CN107605085A - A kind of assembled composite deck slabs - Google Patents
A kind of assembled composite deck slabs Download PDFInfo
- Publication number
- CN107605085A CN107605085A CN201710833214.0A CN201710833214A CN107605085A CN 107605085 A CN107605085 A CN 107605085A CN 201710833214 A CN201710833214 A CN 201710833214A CN 107605085 A CN107605085 A CN 107605085A
- Authority
- CN
- China
- Prior art keywords
- crest portion
- pipeline
- hole
- profiled sheet
- composite deck
- 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
- 239000002131 composite material Substances 0.000 title claims abstract description 22
- 230000015271 coagulation Effects 0.000 claims abstract description 3
- 238000005345 coagulation Methods 0.000 claims abstract description 3
- 238000012216 screening Methods 0.000 claims abstract description 3
- 239000002689 soil Substances 0.000 claims abstract description 3
- 229910000831 Steel Inorganic materials 0.000 claims description 7
- 239000010959 steel Substances 0.000 claims description 7
- 230000003014 reinforcing effect Effects 0.000 claims description 6
- 239000004567 concrete Substances 0.000 abstract description 16
- 238000009434 installation Methods 0.000 abstract description 11
- 239000000463 material Substances 0.000 description 9
- 238000010276 construction Methods 0.000 description 5
- 238000005266 casting Methods 0.000 description 3
- 239000004566 building material Substances 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 1
- 235000017491 Bambusa tulda Nutrition 0.000 description 1
- 241001330002 Bambuseae Species 0.000 description 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 1
- 238000003491 array Methods 0.000 description 1
- 239000011425 bamboo Substances 0.000 description 1
- 239000011449 brick Substances 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 230000001112 coagulating effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000004035 construction material Substances 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229920006351 engineering plastic Polymers 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Landscapes
- Bridges Or Land Bridges (AREA)
Abstract
The present invention discloses a kind of assembled composite deck slabs, including the profiled sheet in zig-zag, profiled sheet specifically includes several crest portions, the through hole for passing through pipeline is offered in the two side wall panels of each crest portion, and is provided between the two neighboring through hole in two neighboring crest portion for screening interface channel of the pipeline against coagulation soil pressure.So, when carrying out pipe installation, foot passage of the pipeline along each crest portion can be subjected to longitudinal laying first, then the through hole in two side wall panels of the pipeline along each crest portion can be subjected to horizontal laying, so that pipeline is walked in interface channel, ensure the laying of optional position of the pipeline on floor level, take full advantage of the saw tooth wave shape of profiled sheet, need not be by pipe installation on the surface of each crest portion or in concrete layer, pipeline is avoided additionally to take FFL space, reach the reduction floor floor height when skyscraper floor headroom is constant, lift the purpose of building storey.
Description
Technical field
The present invention relates to construction engineering technical field, more particularly to a kind of assembled composite deck slabs.
Background technology
With Chinese architecture industrial expansion, increasing architecture engineering material has been used widely.
Construction material can be divided into structural material, ornament materials and some proprietary materials.Structural material include timber, bamboo wood,
Stone material, cement, concrete, metal, brick and tile, ceramics, glass, engineering plastics, composite etc.；Ornament materials includes various paintings
Material, paint, coating, veneer, assorted ceramic tile, the glass etc. with special-effect；Proprietary material refer to for waterproof, protection against the tide, anti-corrosion,
Fire prevention, fire-retardant, sound insulation, heat-insulated, insulation, sealing etc..To take into account the multiple requirements that building uses, lead to during practice of construction
Various composite building materials are often used, wherein, composite deck slabs are exactly a kind of now widely used building materials.
Composite deck slabs largely use in engineering at present, but production method belongs to cast-in-place type mostly
Floor member, floor is cast-in-place inevitably to cause certain pollution to surrounding environment, and the construction period is longer, therefore assembles
Formula floor arises at the historic moment.
In the prior art, composite deck slabs are usually reinforcing bar of being arranged on profiled sheet top, then
Casting concrete.However, profiled sheet adds the height of floor as floor bottom, the concaveconvex shape of its zig-zag, reduce
Floor clear height.On this basis, the setting of pipeline is further added significantly to the floor height of floor.In skyscraper, if often
First floor plate all more takes some floor heights, and the height finally accumulated will be considerable.Under identical height, mixed using profiled sheet
The building for coagulating native composite floor is more less slightly than other building storeys.
Therefore, how to avoid the presence of pipeline from additionally taking FFL space, accordingly reduce FFL, be this area
Technical staff's technical problem urgently to be resolved hurrily.
The content of the invention
It is an object of the invention to provide a kind of assembled composite deck slabs, die mould steel can be made full use of
The saw tooth wave shape of plate, pipeline is avoided additionally to take FFL space, reach reduces when skyscraper floor headroom is constant
Floor floor height, the purpose for lifting building storey.
In order to solve the above technical problems, a kind of assembled composite deck slabs of present invention offer, including in
The profiled sheet of zig-zag, the profiled sheet specifically include several crest portions, the two side wall panels of each crest portion
On offer through hole for passing through pipeline, and set between the two neighboring through hole in the two neighboring crest portion
It is equipped with for screening interface channel of the pipeline against coagulation soil pressure.
Preferably, each through hole is arranged in a straight line on the profiled sheet.
Preferably, each arrays of openings is in line perpendicular to the length direction of the profiled sheet.
Preferably, each through hole is in area is identical, round rectangle for preventing corner stress concentration.
Preferably, the top of the crest portion and the top surface of interface channel are plane, and both height flush.
Preferably, trough bottom plate, and the bottom connection of the interface channel are connected between the two neighboring crest portion
On the trough backplate surface.
Preferably, in addition to it is arranged on the top plan of the crest portion positioned at the position where the through hole, is used for
Improve the reinforcing plate of the crest portion structural strength.
Preferably, in addition to be arranged on the back side of the trough bottom plate, the carrying for improving the trough bottom plate it is strong
The reinforced pipe of degree.
Assembled composite deck slabs provided by the present invention, mainly include profiled sheet and connection is logical
Road.Wherein, profiled sheet is in specifically the concave/convex-shaped structure of zig-zag, is being provided with several crest portions, certainly, accordingly
Also there are several trough portions.Through hole is offered in the two side wall panels of each crest portion, the through hole is mainly used as pipeline
Passage during laying.Also, in two neighboring crest portion between two adjacent through holes, that is, in two neighboring crest portion mutually
Between the through hole opened up on two wallboards of face, interconnected by interface channel.It is in this way, logical in each crest portion
Hole, you can realized and interconnected by interface channel.The interface channel is mainly used in making pipeline run in the guide positioned at two neighboring ripple
During position between valley, or when pipeline is run in the guide in each trough portion, each bar pipeline is screened, because of profiled sheet
Trough portion space needs fill concrete, therefore interface channel can screen pipeline from the extruding of concrete.Therefore, the present invention is carried
The assembled composite deck slabs of confession, in pipeline installation on profiled sheet, can first by part pipeline along
The foot passage of each crest portion carries out longitudinal laying, then can will be in two side wall panels of each pipeline along each crest portion it is logical
Hole carries out horizontal laying so that pipeline is walked in interface channel, optional position of the final guarantee pipeline on floor level
Laying, take full advantage of the saw tooth wave shape of profiled sheet, compared to prior art, without by pipe installation in each crest portion
Surface on or concrete layer in, avoid pipeline from additionally taking FFL space, reach constant in skyscraper floor headroom
When reduce floor floor height, lift the purpose of building storey.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
The embodiment of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can also basis
The accompanying drawing of offer obtains other accompanying drawings.
Fig. 1 is a kind of structural representation of embodiment medium-pressure type steel plate provided by the present invention；
Fig. 2 is the structure perspective after a kind of embodiment medium-pressure type steel plate casting concrete provided by the present invention
Figure；
Fig. 3 is Fig. 1 front view.
Wherein, in Fig. 1-Fig. 3：
Profiled sheet -1, crest portion -101, through hole -102, interface channel -2, trough bottom plate -103, reinforcing plate -
3, reinforced pipe -4.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
Fig. 1, Fig. 2 and Fig. 3 are refer to, Fig. 1 is that a kind of overall structure of embodiment provided by the present invention is illustrated
Figure (arrow represents that pipeline walks direction in figure), Fig. 2 are that a kind of embodiment medium-pressure type steel plate provided by the present invention pours
The structural perspective after concrete is built, Fig. 3 is Fig. 1 front view.
In a kind of embodiment provided by the present invention, the concrete combined floor of assembled profiled sheet 1 is main
Including profiled sheet 1 and interface channel 2.
Wherein, profiled sheet 1 is in specifically the concave/convex-shaped structure of zig-zag, is being provided with several crest portions 101,
Certainly, also there are several trough portions accordingly.Specifically, the profiled sheet 1 can rectangular zig-zag, triangle zig-zag
Etc. structure.Sum it up, profiled sheet 1 is one block of smooth steel plate, for example, stainless steel plate etc. formed after PROCESS FOR TREATMENT it is recessed
Convex uneven waveform plate.
Through hole 102 is offered in the two side wall panels of each crest portion 101, the through hole 102 is mainly used as pipe installation
When passage.It is not that each crest portion 101 is required for out it should be noted that in each crest portion 101 of profiled sheet 1
If through hole 102, can be specifically adjusted flexibly according to the requirement of pipe installation.It is also, adjacent in two neighboring crest portion 101
Two through holes 102 between, that is, the through hole 102 opened up on two wallboards mutually faced in two neighboring crest portion 101
Between, interconnected by interface channel 2.
In this way, the through hole 102 in each crest portion 101, you can realized and interconnected by interface channel 2.The connection is led to
When road 2 is mainly used in making the pipeline run in the guide the position between two neighboring crest portion 101, or pipeline runs in the guide each ripple
When in valley, each bar pipeline is screened, because the trough portion space of profiled sheet 1 needs fill concrete, therefore interface channel 2
Pipeline can be screened from the extruding of concrete.
Therefore, the concrete combined floor of assembled profiled sheet 1 that the present embodiment is provided, lays on profiled sheet 1
During pipeline, foot passage of the part pipeline along each crest portion 101 can be subjected to longitudinal laying first, then can be by each pipe
Through hole 102 in two side wall panels of the line along each crest portion 101 carries out horizontal laying so that and pipeline is walked in interface channel 2,
The laying of optional position of the final guarantee pipeline on floor level, takes full advantage of the saw tooth wave shape of profiled sheet 1, compares
In prior art, without on the surface of each crest portion 101 or in concrete layer, avoiding pipeline from additionally taking pipe installation
FFL space, reaching reduces floor floor height when skyscraper floor headroom is constant, lifts the purpose of building storey.Separately
Outside, by pipe installation in each bottom of crest portion 101 and interface channel 2 in the future, additionally it is possible to facilitate disassembly and installation, reduction is managed
The maintenance of line and replacement cost.
, can will be set in the two side wall panels of each crest portion 101 specifically, convenience during in view of pipe installation
Through hole 102, it is arranged in a linear on profiled sheet 1.It is arranged such, can be specific straight along certain in horizontal pipeline installation
Line passage is laid, and not only saves length of pipeline, and reduces pipeline degree of crook, improves convenience for construction.It is preferred herein
Ground, it is vertical with the length direction of profiled sheet 1 to arrange formed straight line for set through hole 102 in each crest portion 101, so
Set, bottom space of the pipeline along each crest portion 101 longitudinally after laying, can continue to hang down along through hole 102 and interface channel 2
Directly laterally laying.Certainly, each through hole 102 arrange formed straight line also can not be vertical with the length direction of profiled sheet 1, than
Length direction such as with profiled sheet 1 is equally possible in the angle to 30 °.
Further, for convenience of rapid processing through hole 102, each through hole 102 in the two side wall panels of each crest portion 101
It can be in specifically area identical round rectangle, can so prevent from forming stress concentration in each corner part of through hole 102.When
So, each through hole 102 can also be in area identical circle, polygon etc., or the area of each through hole 102, shape not phase
It is same to be equally possible.
Furthermore, it is contemplated that interface channel 2 is provided between the through hole 102 of two neighboring crest portion 101, to avoid connecting
The presence of passage 2 additionally increases the total height of floor, by the top of crest portion 101 and the top surface of interface channel 2 in the present embodiment
Plane is disposed as, and both height are equal.In this way, each crest portion 101 is flat crest, and interface channel 2 has
Body can be rectangle or trapezoidal flat-bottom structure in cross section, and the total height of floor can't increase because of interface channel 2.
Certainly, the top surface of interface channel 2 can also be less than the top of crest portion 101.
It is right to avoid concrete from penetrating into the inside of interface channel 2 in view of needing casting concrete on the surface of profiled sheet 1
Pipeline is impacted, and the bottom of interface channel 2 is connected into the trough bottom plate between two neighboring crest portion 101 in the present embodiment
On 103, it is arranged such, improves the sealing between interface channel 2 and profiled sheet 1, avoids Concrete Leakage logical to connection
Inside road 2.
Further, it is contemplated that after opening up through hole 102 in the two side wall panels of each crest portion 101, profiled sheet 1 is logical
The partial structurtes intensity of the opening position of hole 102 necessarily declines, to ensure that profiled sheet 1 still has enough structural strengths, this reality
Apply example and be provided with reinforcing plate 3 positioned at the position where through hole 102 on the top plan of crest portion 101, in this way, passing through reinforcing plate
3 effect improves the overall construction intensity of each crest portion 101.
Similarly, the carrying for opening up position also while having had influence on trough portion or trough bottom plate 103 of each through hole 102 is strong
Degree, pin is on the other hand, the present embodiment is provided with reinforced pipe 4 on the back side of trough bottom plate 103.Specifically, the reinforced pipe 4 can be along ripple
Multi-cavity steel tube of length direction extension of the lowest point plate 103 etc., is arranged such, the carrying that can not only improve trough bottom plate 103 is strong
Degree, additionally it is possible to avoid increasing weight.
The foregoing description of the disclosed embodiments, professional and technical personnel in the field are enable to realize or using the present invention.
A variety of modifications to these embodiments will be apparent for those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, it is of the invention
The embodiments shown herein is not intended to be limited to, and is to fit to and principles disclosed herein and features of novelty phase one
The most wide scope caused.
Claims (8)
1. a kind of assembled composite deck slabs, including the profiled sheet (1) in zig-zag, the die mould steel
Plate (1) specifically includes several crest portions (101), it is characterised in that is opened in the two side wall panels of each crest portion (101)
Provided with the through hole (102) for passing through pipeline, and the two neighboring through hole in the two neighboring crest portion (101)
(102) it is provided between for screening interface channel (2) of the pipeline against coagulation soil pressure.
2. assembled composite deck slabs according to claim 1, it is characterised in that each through hole
(102) it is arranged in a straight line on the profiled sheet (1).
3. assembled composite deck slabs according to claim 2, it is characterised in that each through hole
(102) arrangement is in line perpendicular to the length direction of the profiled sheet (1).
4. assembled composite deck slabs according to claim 3, it is characterised in that each through hole
(102) in area is identical, round rectangle for preventing corner stress concentration.
5. according to the assembled composite deck slabs described in claim any one of 1-4, it is characterised in that described
The top of crest portion (101) and the top surface of interface channel (2) are plane, and both height flush.
6. assembled composite deck slabs according to claim 5, it is characterised in that two neighboring described
Trough bottom plate (103) is connected between crest portion (101), and the bottom of the interface channel (2) is connected to the trough bottom plate
(103) on surface.
7. assembled composite deck slabs according to claim 6, it is characterised in that also include being arranged at
Positioned at the position where the through hole (102), for improving the crest portion on the top plan of the crest portion (101)
(101) reinforcing plate (3) of structural strength.
8. assembled composite deck slabs according to claim 7, it is characterised in that also include being arranged at
The reinforced pipe (4) of bearing strength on the back side of the trough bottom plate (103), for improving the trough bottom plate (103).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710833214.0A CN107605085A (en) | 2017-09-15 | 2017-09-15 | A kind of assembled composite deck slabs |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710833214.0A CN107605085A (en) | 2017-09-15 | 2017-09-15 | A kind of assembled composite deck slabs |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107605085A true CN107605085A (en) | 2018-01-19 |
Family
ID=61060132
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710833214.0A Pending CN107605085A (en) | 2017-09-15 | 2017-09-15 | A kind of assembled composite deck slabs |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107605085A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111877627A (en) * | 2020-07-21 | 2020-11-03 | 湖南北山建设集团股份有限公司 | Full-prefabricated sawtooth floor slab support-free construction method based on BIM technology superposed beams |
| CN113944272A (en) * | 2021-11-06 | 2022-01-18 | 昊瑞特建材科技(山东)有限公司 | Pipeline separation assembly type composite heating floor and construction method thereof |
| CN114658154A (en) * | 2022-04-14 | 2022-06-24 | 山东建筑大学 | Prefabricated floor slab |
| CN115012571A (en) * | 2022-06-22 | 2022-09-06 | 方圆建设集团有限公司 | Assembled steel plate concrete hollow floor slab and manufacturing method thereof |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0003506A1 (en) * | 1978-02-02 | 1979-08-22 | H.H. Robertson Company | Metal raceway section for wiring distribution system, and floor structure comprising such a raceway section |
| JPH062928U (en) * | 1992-06-12 | 1994-01-14 | 株式会社フジタ | Cell Duct Stat |
| CN201037282Y (en) * | 2007-04-26 | 2008-03-19 | 余伟健 | Building carrying plate |
| KR20100036712A (en) * | 2008-09-30 | 2010-04-08 | (주) 선암기술연구소 | Corrugated board type composition deck plate system having utility-pipe conduit in flute |
| CN104499625A (en) * | 2014-12-04 | 2015-04-08 | 森特士兴集团股份有限公司 | Profiled steel sheet and composite floor |
| CN205954971U (en) * | 2016-07-15 | 2017-02-15 | 中国矿业大学 | Two -way coincide floor of honeycomb holes profiled sheet |
| CN207469555U (en) * | 2017-09-15 | 2018-06-08 | 广东工业大学 | A kind of assembled composite deck slabs |
-
2017
- 2017-09-15 CN CN201710833214.0A patent/CN107605085A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0003506A1 (en) * | 1978-02-02 | 1979-08-22 | H.H. Robertson Company | Metal raceway section for wiring distribution system, and floor structure comprising such a raceway section |
| JPH062928U (en) * | 1992-06-12 | 1994-01-14 | 株式会社フジタ | Cell Duct Stat |
| CN201037282Y (en) * | 2007-04-26 | 2008-03-19 | 余伟健 | Building carrying plate |
| KR20100036712A (en) * | 2008-09-30 | 2010-04-08 | (주) 선암기술연구소 | Corrugated board type composition deck plate system having utility-pipe conduit in flute |
| CN104499625A (en) * | 2014-12-04 | 2015-04-08 | 森特士兴集团股份有限公司 | Profiled steel sheet and composite floor |
| CN205954971U (en) * | 2016-07-15 | 2017-02-15 | 中国矿业大学 | Two -way coincide floor of honeycomb holes profiled sheet |
| CN207469555U (en) * | 2017-09-15 | 2018-06-08 | 广东工业大学 | A kind of assembled composite deck slabs |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111877627A (en) * | 2020-07-21 | 2020-11-03 | 湖南北山建设集团股份有限公司 | Full-prefabricated sawtooth floor slab support-free construction method based on BIM technology superposed beams |
| CN113944272A (en) * | 2021-11-06 | 2022-01-18 | 昊瑞特建材科技(山东)有限公司 | Pipeline separation assembly type composite heating floor and construction method thereof |
| CN114658154A (en) * | 2022-04-14 | 2022-06-24 | 山东建筑大学 | Prefabricated floor slab |
| CN115012571A (en) * | 2022-06-22 | 2022-09-06 | 方圆建设集团有限公司 | Assembled steel plate concrete hollow floor slab and manufacturing method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107605085A (en) | A kind of assembled composite deck slabs | |
| CN104314204B (en) | Non-form stripping lightweight internal partition board and overall grouting construction method thereof | |
| CN104213505B (en) | The seam construction of steel-light-duty compound beam of very-high performance fibrous concrete and application | |
| CN103374986B (en) | A kind of multifunction combined light weight concrete construction curtain wall and preparation method thereof | |
| CN106703269A (en) | Prestressed concrete superimposed sheet with steel trusses and manufacturing method | |
| CN204185765U (en) | The seam construction of steel-light-duty compound beam of very-high performance fibrous concrete | |
| CN101265724B (en) | Run-through steel plate type square steel tube concrete column and axle i-beam node | |
| CN205576955U (en) | Raft foundation's reinforced structure is displaced into to strip footing | |
| CN111042392A (en) | Construction method of SDHH type disassembly-free formwork foam concrete partition wall | |
| CN106337361A (en) | Separated fiber reinforced plastic (FRP)-concrete-steel composite girder bridge structure and construction method thereof | |
| CN109707052A (en) | Assembled beam and plate connecting node | |
| CN106284653B (en) | A kind of construction method that balcony construct capital interspaces in advance | |
| CN206538862U (en) | Prefabrication structural system | |
| CN207469555U (en) | A kind of assembled composite deck slabs | |
| CN203080733U (en) | External built-mold and internal masonry building structure system | |
| CN202214708U (en) | Protective structure for horizontal concrete construction joint | |
| CN108316652A (en) | Steel construction main building construction bracket and construction method based on the bracket | |
| CN211172565U (en) | A ram for argil brick facade | |
| CN107859337A (en) | Steel-structure factory building FPB Light trabses cracking structure constructions | |
| CN210658659U (en) | Split level prefabricated window and steel construction connected node of wafing | |
| CN100351474C (en) | Combined prestressing force concrete sandwich board and its construction method | |
| CN208039839U (en) | Steel construction main building construction bracket | |
| CN208473302U (en) | After pour mushroom-shaped section concrete edge list constructing device | |
| CN208219409U (en) | A kind of ultra-thin prefabricated board seam connection structure | |
| CN206070870U (en) | A kind of web with openings formula combination beam on H profile steel basis |
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 |
Application publication date: 20180119 |
|
| RJ01 | Rejection of invention patent application after publication |