CN107630553A - It is a kind of first to open rapid construction device and method for large span floor - Google Patents
It is a kind of first to open rapid construction device and method for large span floor Download PDFInfo
- Publication number
- CN107630553A CN107630553A CN201610564685.1A CN201610564685A CN107630553A CN 107630553 A CN107630553 A CN 107630553A CN 201610564685 A CN201610564685 A CN 201610564685A CN 107630553 A CN107630553 A CN 107630553A
- Authority
- CN
- China
- Prior art keywords
- support beam
- bar
- slab form
- lower support
- floor
- 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.)
- Granted
Links
Abstract
Rapid construction device and method is first opened the invention discloses a kind of large span floor, the constructing device includes slab form and the crossbeam for supporting slab form, the both ends of the crossbeam are connected with load bearing wall or/and spandrel girder；Described rapid constructing method includes described rapid construction device and following operation：1st, slab form is laid on the crossbeam of described rapid construction device；2nd, in the both ends mounting fixing parts of the crossbeam；3rd, the component for forming step 2 is lifted on corresponding load bearing wall or/and spandrel girder beam, is then carrying out reinforcing steel bar laying and concrete cast above.Present aerial erection slab form can be become directly to be lifted into job site again after installing on the ground by the present invention, can be improved the security and efficiency of construction of construction, be reduced the danger of construction, have very strong practicality.
Description
Technical field
The present invention relates to the construction technology of building, is to be related to a kind of first opening quickly for large span floor specifically
Constructing device and method.
Technical background
Now with the continuous improvement of living standards of the people, the quality and quantity of building, which is obtained for, to be increased substantially.
Therefore, the saving to building material and the raising of construction speed seem more and more important.Attempt to save now with many inventions
Building material, the number of patent application as disclosed in Patent Office of the People's Republic of China on 07 22nd, 2009 is 200910076895.6, invention
It is entitled《A kind of thin-wall hollow pipe anti-floating construction method for cast-in-situ concrete hollow floor slab》Invention in disclose a kind of method,
This method welds thin-wall hollow pipe anti-floating frame to solve the anti-floating of thin-wall hollow pipe in concrete placement, resist using sheet metal
Move.Although this method can partly reduce the dosage of concrete, mode of operation is complicated, equipment investment is big, in high-rise
In can not effectively be applied due to lacking corresponding operating platform.Therefore, it is badly in need of a kind of fundamentally save now to build
Material and construction method and related device easy to operate, safe, that speed of application can be improved.
Precast floor slab is relative to cast-in-situ floor has high insulating effect, flatness height, span is big, can save 80% reinforcing bar etc.
Advantage.But current construction method, it is to be spliced polylith precast floor slab, so that in advance due to the lifting limited mass of crane
Easily dropping during leak, particularly earthquake easily occurs in seam between making sheet, and security is poor.In addition, prefabricated building is prepared at present
Plate is, it is necessary to specific prestretching spud pile, so that the cast-in-place construction for carrying out precast floor slab at the scene can not be realized.If can be existing
Field carries out the overall cast-in-place construction of precast floor slab, can not only solve precast floor slab leak and safety issue, and can save
Reinforcing bar, have the advantages that flatness is good, span is big, but there is presently no correlation technique report.
The content of the invention
For the above mentioned problem and demand present in prior art, it is an object of the invention to provide it is a kind of it is easy for construction, apply
Work speed is fast, can site operation and can substantially save construction material be used for large span floor first open rapid construction device and side
Method.
It is provided by the invention a kind of first to open rapid construction device, including slab form and load bearing wall for large span floor
Or/and spandrel girder, in addition to the upper support beam for the setting that intersects and lower support beam, the slab form be laid in the lower branch
Support the top of beam；Also, the upper reinforcing bar for being used to fix deformed bar is provided with above the both ends of the lower support beam to mention,
The lower reinforcing bar for being used to fix deformed bar is provided with below the both ends of the upper support beam to mention, and the lower support beam and upper
Support beam is connected with corresponding load bearing wall or/and spandrel girder respectively.As an improvement scheme, the intersection is vertically to hand over
Fork, because present floor is typically rectangular configuration, it can make that the length of deformed bar is most short, and effect is most using square crossing
It is good.
Deformed bar inside existing precast floor slab only has a direction, and the pulling force of unidirectional deformed bar
It is limited, so as to limit the span of floor.Although we can increase the pulling force of reinforcing bar, pulling force is too big, and concrete is to pre-
The fixed force of stress reinforcing bar is limited, even if the deformed bar of the inside still can produce movement after concrete curing.And pass through this
The above-mentioned technology provided is provided, because the deformed bar in lower support beam and upper support beam intersects, had in both direction
Prestressing force, thus prestressing force is greatly improved, so that the span of floor significantly increases.Meanwhile this invention also solves present
The problem of prestretching can not be carried out at the scene, can make that field conduct can only be transferred in the prestretching work that factory is carried out originally, from
And realize the integral cast-in-situ construction of precast floor slab.
As an improvement scheme, one or more midfoot support is additionally provided with the middle part of the lower support beam
Bar, to ensure the levelness of the lower support beam.Instantly when the span of support beam is too big, it is ensured that the levelness of slab form,
It has to be ensured that the levelness of lower support beam, if the intensity by improving lower support beam, will increase the weight of lower support beam
And manufacturing cost, therefore the present invention, to ensure the levelness of lower support beam, improves lower by setting midfoot support bar at middle part
Support the span of beam.
As an improvement scheme, one or more height adjusting part is additionally provided with the lower support beam,
To adjust the levelness of slab form.Because after concrete is poured into a mould, slab form causes floor because of the gravity by concrete
Flatness be affected, therefore the present invention is by setting the regulation of height adjusting part, to ensure the flatness of floor, Jin Erti
High construction quality.
As an improvement scheme, is preset with some pre-buried bars on the slab form；The pre-buried bar is by lightweight
Construction material forms, and is positioned at by keeper in the concrete of floor.The keeper passes through bolt and slab form phase
Connection, can make keeper be separated with slab form after unclamping the fixing nut of bolt；Keeper can fix pre-buried bar, prevent
Only pre-buried bar floats and moved during concrete is poured into a mould.Further, since the pre-buried bar is by light building material group
Into its mechanical strength and proportion are far below concrete, therefore on the one hand can mitigate the weight of floor, on the other hand can form cavity
Structure, further improve the span of floor.
It is provided by the invention it is a kind of first open rapid constructing method for large span floor, including it is foregoing first open it is fast
Fast constructing device, the rapid constructing method of first opening include following operation：
A) slab form is laid in the described lower support beam first opened in rapid construction device；
B) the upper reinforcing bar being fixed on after deformed bar prestretching above the both ends of step a) the lower support beams is mentioned,
Form lower prestressing frame；
C) step b) the lower prestressing framves formed are lifted on corresponding load bearing wall or/and spandrel girder；
D) will be separately fixed on after deformed bar prestretching under the described upper support beam both ends first opened in rapid construction device
The lower reinforcing bar of side is mentioned, prestressing frame in formation；
E) step d) the upper prestressing framves formed are lifted into that described with step c) load bearing wall or/and spandrel girder are perpendicular to be held
On weight wall or/and spandrel girder, next step construction is then carried out；The next step construction is exactly in slab form poured thereon coagulation
Soil.
Preferably, the step e) deformed bars to intersect formed are carried out tying up fixation.When to intersecting
Deformed bar tie up it is fixed after, it will network structure is formed, so as to increase substantially the intensity of reinforcing bar and floor
Span.
Preferably, before lifting, first some pre-buried bars pre-buried on the slab form；The pre-buried bar be by
Light building material forms, and is positioned at by keeper in the concrete of floor.Because pre-buried bar is by light building material
It is made, the intensity of itself is far below concrete, and itself does not play supporting function, but for mechanical strength point, equivalent to sky
Chamber acts on, and so as to make the concrete of cast possess the anti-folding effect of cavity, improves floor span；Meanwhile light building material
Heat-insulating sound-insulating effect is also equipped with, floor weight can be mitigated.
Compared with prior art, the present invention has following conspicuousness progress：
1st, due to the prestressing force effect of deformed bar, the amount of reinforcement of more than half can be saved；
2nd, acted on by the prestressing of deformed bar, can not only build large span floor, and prior art can be saved
When building large span floor, set support spandrel girder, has not only saved cost, and substantially increase the profit of building
Use space；
3rd, because deformed bar and slab form are to construct on the ground, thus constructing operation is not only simplify, improved
Efficiency of construction, and also improve working security.
Brief description of the drawings
Fig. 1 is a kind of structural representation for upper prestressing frame that the embodiment of the present invention 1 provides；
Fig. 2 is the structural representation of prestressing frame on the another kind of the offer of the embodiment of the present invention 2；
Fig. 3 is a kind of structural representation for lower prestressing frame that the embodiment of the present invention 3 provides；
Fig. 4 is a kind of structural representation for lower prestressing frame provided with height adjusting part that the embodiment of the present invention 4 provides；
Fig. 5 is a kind of structural representation for slab form provided with pre-buried bar that the embodiment of the present invention 5 provides；
Fig. 6 is a kind of principle knot for first opening rapid constructing method for large span floor that the embodiment of the present invention 6 provides
Structure schematic diagram.
Embodiment
In order that the object, technical solutions and advantages of the present invention are more clearly understood, it is right with reference to embodiment and accompanying drawing
Technical scheme is described in further detail.
Embodiment 1
Shown in reference picture 1, the upper prestressing frame 1 that the present embodiment provides includes upper support beam 2, under the both ends of upper support beam 2
3 and 4 are mentioned provided with lower reinforcing bar by side, and deformed bar 5 is fixed on into lower reinforcing bar mentions on 3 and 4, just obtains prestressing frame 1；
Deformed bar 5 is fixed in concrete, wait it is concrete curing after, the lower reinforcing bar at both ends of dismantling mentions 3 and 4, due in advance should
Power reinforcing bar 5 itself has pulling force, while is fixed again by concrete, so pull-back forces can be produced to concrete, reaches prestressing force
Effect, so as to improve the span of floor and flatness, save reinforcing bar.
Embodiment 2
Shown in reference picture 2, the upper prestressing frame 1 that the present embodiment provides includes upper support beam 2, is set at the both ends of upper support beam 2
There is support 6/7, lower reinforcing bar mentions 3/4 lower end for being separately positioned on corresponding support 6/7.Deformed bar 5 is fixed on down
Reinforcing bar is mentioned on 3 and 4, just obtains prestressing frame 1；Deformed bar 5 is fixed in concrete, wait it is concrete curing after, tear open
The lower reinforcing bar for falling both ends mentions 3 and 4, and pull-back forces will be produced in concrete.This structure is easily installed and disassembled.
Embodiment 3
Shown in reference picture 3, the lower prestressing frame 8 that the present embodiment provides includes lower support beam 9, at the both ends of lower support beam 9 point
Not She You upper reinforcing bar mention 10/11 and fixed hook 13/14；Using removable between fixed hook 13 and 14 and lower support beam 9
The formula of unloading is fixedly connected.The both ends of deformed bar 12 are fixed on into upper reinforcing bar to mention on 10 and 11, just obtain lower prestressing frame
8.Deformed bar 12 is fixed in concrete, wait it is concrete curing after, the upper reinforcing bar at both ends of dismantling mentions 10 and 11, will
Pull-back forces are produced in concrete.
Embodiment 4
Shown in reference picture 4, the lower prestressing frame 8 that the present embodiment provides includes lower support beam 9 and is laid in above lower support beam 9
Slab form 15, the both ends of the lower support beam 9 are respectively equipped with reinforcing bar and mention 10/11 and fixed hook 13/14；It is described solid
Surely it is fixedly connected between hook 13 and 14 and lower support beam 9 using detachable.The both ends installation of deformed bar 12 is solid
It is scheduled on reinforcing bar to mention on 10 and 11, just obtains lower prestressing frame 8.Deformed bar 12 is fixed in concrete, wait concrete
After solidification, the upper reinforcing bar at both ends of dismantling mentions 10 and 11, and pull-back forces will be produced in concrete.
In addition, multiple height adjusting screw rods 16 and adjusting nut 17 are provided with lower support beam 9, can by adjusting nut 17
Adjust the levelness of slab form 15.
Embodiment 5
Shown in reference picture 5：Pre-buried bar 18 is wrapped up tightly by pre-buried locator card 19, pre-buried locator card 19 is fixed by clamp
Screw rod 20 and clamp fixing nut 21 are fixed on slab form 15, pre-buried bar 18 is located on slab form 15.Pouring into a mould
Pre-buried bar 18 is set to be located in concrete during concrete, to prevent it from being floated in casting process or move.After concrete curing
Clamp fixing nut 21 is unclamped, slab form 15 is removed.Because pre-buried bar 18 is made up of light building material, itself strong
Degree is far below concrete, and itself does not play supporting function, but for mechanical strength point, is acted on equivalent to cavity, so as to
The concrete of cast is possessed the anti-folding effect of cavity, so as to improve the span of floor, while light building material be also equipped with it is heat-insulated
Deadening, it can also mitigate the weight of floor.
Embodiment 6
Shown in reference picture 6, it is provided by the invention it is a kind of first open rapid constructing method for large span floor, it is including as follows
Operation：
A) on the ground, first slab form 15 is laid in lower support beam 9；
B) the upper reinforcing bar being fixed on after the prestretching of deformed bar 12 above the both ends of step a) the lower support beams 9 is hung again
On tooth 10 and 11, lower prestressing frame 8 is formed；
C) step b) the lower prestressing framves 8 formed are lifted on corresponding load bearing wall 22 or/and spandrel girder 23, and by setting
The fixed hook 13 and 14 at the lower both ends of support beam 9 is put to be fixedly connected with load bearing wall 22 or/and the phase of spandrel girder 23；
D) the lower reinforcing bar being fixed on after the prestretching of deformed bar 5 below the upper both ends of support beam 2 is separately mentioned 3 and 4 (in figure not
Draw) on, prestressing frame 1 in formation；
E) step d) the upper prestressing framves 1 formed are lifted into load bearing wall 22 described with step c) or/and the phase of spandrel girder 23 is hung down
On straight load bearing wall or/and spandrel girder (being not drawn into figure), then the deformed bar to intersect of formation tie up admittedly
Fixed (can also press simultaneously described in embodiment 5, pre-buried some pre-buried bars 18 on slab form 15)；
F) again in the upper concrete of slab form 15, after it is concrete curing it is up to standard after, the lower reinforcing bar of upper prestressing frame 1 is hung
Tooth 3 and 4 (being not drawn into figure) is extracted from concrete, then removes prestressing frame 1；The upper reinforcing bar of lower prestressing frame 8 is mentioned 10
Extracted respectively from concrete with 11, and fixed hook 13 and 14 is separated with load bearing wall 22 or/and spandrel girder 23, Ran Houyi
Go down prestressing frame 8.
Finally be necessary described herein be：Above example is served only for further detailed to technical scheme work
Ground explanation, it is impossible to be interpreted as limiting the scope of the invention, those skilled in the art is according to the above of the invention
Some the nonessential modifications and adaptations made belong to protection scope of the present invention.
Claims (8)
1. a kind of first open rapid construction device, including slab form and load bearing wall or/and spandrel girder for large span floor, its
It is characterized in：Upper support beam and lower support beam, the slab form also including the setting that intersects are laid in the lower support beam
Top；Also, it is provided with the upper reinforcing bar for being used to fix deformed bar above the both ends of the lower support beam to mention, described
The lower reinforcing bar for being used to fix deformed bar is provided with below the both ends of upper support beam to mention, and the lower support beam and upper support
Beam is connected with corresponding load bearing wall or/and spandrel girder respectively.
2. according to claim 1 first open rapid construction device, it is characterized in that：The intersection is square crossing.
3. according to claim 1 first open rapid construction device, it is characterized in that：Also set up in the middle part of the lower support beam
There is one or more midfoot support bar, to ensure the levelness of lower support beam.
4. rapid construction device is first opened according to claim 1 or 3, it is characterized in that：Also set up in the lower support beam
There is one or more height adjusting part, to adjust the levelness of slab form.
5. according to claim 1 first open rapid construction device, it is characterized in that：It is preset with the slab form some
Pre-buried bar；The pre-buried bar is made up of light building material, and is positioned at by keeper in the concrete of floor.
6. a kind of first open rapid constructing method for large span floor, including first opens rapid construction dress described in claim 1
Put, it is characterized in that, described rapid constructing method of first opening includes following operation：
A) slab form is laid in the lower support beam described in claim 1；
B) the upper reinforcing bar being fixed on after deformed bar prestretching above the both ends of step a) the lower support beams is mentioned, formed
Lower prestressing frame；
C) step b) the lower prestressing framves formed are lifted on corresponding load bearing wall or/and spandrel girder；
D) the lower reinforcing bar below the upper support beam both ends being separately fixed on after deformed bar prestretching described in claim 1 is mentioned
On, prestressing frame in formation；
E) step d) the upper prestressing framves formed are lifted into the perpendicular load bearing wall of described with step c) load bearing wall or/and spandrel girder
Or/and on spandrel girder, then carry out next step construction.
7. according to claim 6 first open rapid constructing method, it is characterized in that：To step e) formed intersect it is pre- should
Power reinforcing bar carries out tying up fixation.
8. according to claim 6 first open rapid constructing method, it is characterized in that：Before lifting, first in the slab form
Upper pre-buried some pre-buried bars；The pre-buried bar is made up of light building material, and the coagulation of floor is positioned at by keeper
In soil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610564685.1A CN107630553B (en) | 2016-07-18 | 2016-07-18 | Pre-tensioning rapid construction device and method for large-span floor slab |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610564685.1A CN107630553B (en) | 2016-07-18 | 2016-07-18 | Pre-tensioning rapid construction device and method for large-span floor slab |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107630553A true CN107630553A (en) | 2018-01-26 |
| CN107630553B CN107630553B (en) | 2020-07-31 |
Family
ID=61112996
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610564685.1A Active CN107630553B (en) | 2016-07-18 | 2016-07-18 | Pre-tensioning rapid construction device and method for large-span floor slab |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107630553B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112942842A (en) * | 2021-02-04 | 2021-06-11 | 广东省第五建筑工程有限公司 | Tensioning method for prestressed reinforcement of corner beam |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85200851U (en) * | 1985-04-16 | 1986-12-17 | 黑龙江省建筑设计院新技术研究所 | Arch roof board made of prestresed reinforced concrete prefabricated at worksite in accordance with a laminated way |
| EP0170230A3 (en) * | 1984-07-26 | 1987-01-07 | Giuseppe Grignoli | Method of vertically pretensioning for one- or multi-storied walls by individual wires and device for automatically clasping the pretensioning wires |
| CN1108721A (en) * | 1992-05-12 | 1995-09-20 | 奥福里德·A·伊 | Method of post-tensioning steel/concrete truss before installation |
| CN2736441Y (en) * | 2004-08-26 | 2005-10-26 | 张正刚 | Cast-in-situ integral reinforced concrete prestressed hollow slab |
| CN1851191A (en) * | 2006-05-18 | 2006-10-25 | 刘建康 | Construction method for making congruent floor using upper support frame |
| WO2008036934A2 (en) * | 2006-09-21 | 2008-03-27 | Ahmed Phuly | Partially prefabricated modular foundation system |
| CN101603367A (en) * | 2009-07-14 | 2009-12-16 | 张军 | Cast-in-situ pre-stress floor mold and job practices thereof and with the cast-in-situ floor of its making |
| CN102418414A (en) * | 2010-09-28 | 2012-04-18 | 杨峰 | Long-slab-span prefabricated beam floor formwork system |
| CN103206084A (en) * | 2012-01-17 | 2013-07-17 | 上海奇谋能源技术开发有限公司 | Material-saving construction method of cast-in-place floor |
| EP2848750A1 (en) * | 2012-05-08 | 2015-03-18 | Kunshan Ecological Building Technology Co., Ltd | Method of casting in-situ steel wire mesh cement slab with spliced rack and suspended formwork |
| CN105525679A (en) * | 2016-01-21 | 2016-04-27 | 东南大学 | Local prestress assembly type energy-dissipating beam column joint |
-
2016
- 2016-07-18 CN CN201610564685.1A patent/CN107630553B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0170230A3 (en) * | 1984-07-26 | 1987-01-07 | Giuseppe Grignoli | Method of vertically pretensioning for one- or multi-storied walls by individual wires and device for automatically clasping the pretensioning wires |
| CN85200851U (en) * | 1985-04-16 | 1986-12-17 | 黑龙江省建筑设计院新技术研究所 | Arch roof board made of prestresed reinforced concrete prefabricated at worksite in accordance with a laminated way |
| CN1108721A (en) * | 1992-05-12 | 1995-09-20 | 奥福里德·A·伊 | Method of post-tensioning steel/concrete truss before installation |
| CN2736441Y (en) * | 2004-08-26 | 2005-10-26 | 张正刚 | Cast-in-situ integral reinforced concrete prestressed hollow slab |
| CN1851191A (en) * | 2006-05-18 | 2006-10-25 | 刘建康 | Construction method for making congruent floor using upper support frame |
| WO2008036934A2 (en) * | 2006-09-21 | 2008-03-27 | Ahmed Phuly | Partially prefabricated modular foundation system |
| CN101603367A (en) * | 2009-07-14 | 2009-12-16 | 张军 | Cast-in-situ pre-stress floor mold and job practices thereof and with the cast-in-situ floor of its making |
| CN102418414A (en) * | 2010-09-28 | 2012-04-18 | 杨峰 | Long-slab-span prefabricated beam floor formwork system |
| CN103206084A (en) * | 2012-01-17 | 2013-07-17 | 上海奇谋能源技术开发有限公司 | Material-saving construction method of cast-in-place floor |
| EP2848750A1 (en) * | 2012-05-08 | 2015-03-18 | Kunshan Ecological Building Technology Co., Ltd | Method of casting in-situ steel wire mesh cement slab with spliced rack and suspended formwork |
| CN105525679A (en) * | 2016-01-21 | 2016-04-27 | 东南大学 | Local prestress assembly type energy-dissipating beam column joint |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112942842A (en) * | 2021-02-04 | 2021-06-11 | 广东省第五建筑工程有限公司 | Tensioning method for prestressed reinforcement of corner beam |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107630553B (en) | 2020-07-31 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108343148B (en) | A kind of frame structure system and its construction method | |
| CN206267422U (en) | A kind of assembly concrete superposed column | |
| CN107476470A (en) | Steel pipe built in assembled and GFRP pipe regeneration concrete compound shear walls and its construction method | |
| CN105863253A (en) | Integral formwork-supporting type asynchronous casting stairwell wall column formwork supporting system and construction method | |
| CN106320704A (en) | Steel reinforced concrete structure formwork sleeve threaded rod pulling construction method | |
| CN107268782A (en) | A kind of prefabricated frame posture device and its implementation | |
| CN106088640A (en) | The method that existing frame structure is carried out demolishing columns | |
| CN112832368A (en) | Quick construction process for cantilever beam at ultrahigh position | |
| CN108104284B (en) | Wallboard connecting structure of shear wall steel arm embedded floor slab and assembly method | |
| CN114164977A (en) | Method for combining construction of aluminum template and laminated slab | |
| CN114575593A (en) | Adjustable plate buckling formwork support frame for super-load small-clearance beam and construction method thereof | |
| CN203034799U (en) | Tower hoist standard knot bearing overhead support formwork steel platform structure | |
| CN210421568U (en) | Assembled beam and plate structure | |
| CN205712565U (en) | A kind of prefabricated two-sided wall | |
| CN104164882A (en) | Construction method for building support structural beam foundation on slope and structure thereof | |
| CN107630553A (en) | It is a kind of first to open rapid construction device and method for large span floor | |
| CN108301510B (en) | A kind of bean column node and its construction method | |
| CN107119839A (en) | Assembled Building panel and preparation method thereof | |
| CN107630559A (en) | It is a kind of first to open constructing device and method for floor | |
| CN209799122U (en) | Cavity floor member | |
| CN207484749U (en) | Steel pipe built in assembled and GFRP pipe regeneration concrete compound shear walls | |
| CN207277679U (en) | Air-entrained concrete building block and armored concrete outline border integral wall | |
| CN107630554B (en) | Rapid construction device and method for floor slab | |
| CN203270587U (en) | Stepped side slope supporting structure | |
| CN219118536U (en) | Assembled concrete prefabricated plate |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210727 Address after: 200051 room 271, 2 / F, building 6, 2453 Wanhangdu Road, Changning District, Shanghai Patentee after: Shanghai Peijun Technology Co.,Ltd. Address before: 201600, A-208, No. 1558 West Hui song Road, Shanghai, Songjiang District Patentee before: SHANGHAI QIMOU ENERGY TECHNOLOGY DEVELOPMENT Co.,Ltd. |