CN211421637U - Connecting structure of prefabricated gutter - Google Patents
Connecting structure of prefabricated gutter Download PDFInfo
- Publication number
- CN211421637U CN211421637U CN201921704551.0U CN201921704551U CN211421637U CN 211421637 U CN211421637 U CN 211421637U CN 201921704551 U CN201921704551 U CN 201921704551U CN 211421637 U CN211421637 U CN 211421637U
- Authority
- CN
- China
- Prior art keywords
- prefabricated
- gutter
- prefabricated gutter
- concrete
- connecting structure
- 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.)
- Active
Links
Images
Landscapes
- Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
Abstract
The utility model discloses a connecting structure of a prefabricated gutter, which comprises a beam and the prefabricated gutter with one end placed on the beam, wherein the prefabricated gutter is of an L-shaped structure integrally cast and formed by concrete, and comprises a vertical plate and a horizontal plate, the end of the horizontal plate far away from the vertical plate is provided with a reverse ridge, and the bottom concrete of the vertical plate is pre-embedded with a corrugated pipe; the beam is a superposed beam or a fully prefabricated beam, the top side of the superposed beam or the fully prefabricated beam extends out of the anchoring steel bar, and the top end of the anchoring steel bar extends into the corrugated pipe. The prefabricated gutter does not produce ribs during production, the production mold is simple, the turnover frequency of the mold is high, and the loading rate in the transportation stage is improved; vertical supports do not need to be erected on the bottom side of the construction site, and the site construction efficiency is improved; the diameter of a corrugated pipe hole reserved at the bottom of the prefabricated gutter is large, the fault tolerance rate is high when the anchoring steel bar is inserted, and the position relation between the prefabricated gutter and other prefabricated components is convenient to adjust; the prefabricated gutter is reliably connected with the beam, and the construction quality and safety can be guaranteed.
Description
Technical Field
The utility model belongs to the technical field of the assembly type structure, specifically speaking, the utility model relates to a connection structure of prefabricated gutter.
Background
In the assembly type building, the connection structure of the prefabricated gutter is the key and difficult point for guaranteeing the quality and the water resistance of the assembly type building, and the structure safety is guaranteed; the normal drainage use of the gutter is also ensured, and meanwhile, the water seepage at the prefabricated gutter nodes is prevented; the difficulty and cost of production, manufacture, transportation and final assembly are also considered comprehensively.
The common problems of the gutter in the prior art are as follows: the production, manufacture and construction efficiency is not high, or a cast-in-place mode is adopted to avoid water seepage, so that more field wet operations are caused, and the labor cost is higher. For example, the utility model patent of a fabricated steel structure roof gutter drainage knot (publication number CN208329407U) adopts a steel structure, which is not suitable for reinforced concrete buildings; and for some buildings with large top-layer stuffy top space, the height of the gutter is higher, and the gutter needs to be connected with the main structure of the building more reliably during installation. In summary, it is urgently needed to develop a new connecting structure of a prefabricated gutter to promote production, manufacture and construction efficiency, so that the prefabricated gutter can be connected with a building main body more firmly, and meanwhile, the field construction steps are simplified, and the labor cost is reduced.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is: the utility model provides a connection structure of prefabricated gutter to solve the production that exists among the prior art and make not high with the efficiency of construction, and large-scale prefabricated gutter is connected unreliable problem with the building subject.
In order to realize the purpose, the utility model discloses the technical scheme who takes does:
a connecting structure of a prefabricated gutter comprises a beam and the prefabricated gutter, wherein one end of the prefabricated gutter is placed on the beam, the prefabricated gutter is of an L-shaped structure formed by integrally pouring concrete and comprises a vertical plate and a horizontal plate, a reverse ridge is arranged at the tail end, far away from the vertical plate, of the horizontal plate, and a corrugated pipe is pre-buried in concrete at the bottom of the vertical plate; the beam is a superposed beam or a fully prefabricated beam, anchoring steel bars extend out of the top side of the superposed beam or the fully prefabricated beam, and the top ends of the anchoring steel bars extend into the corrugated pipe.
Preferably, the superposed beams comprise prefabricated parts and cast-in-place parts, and the indoor bottom surfaces of the vertical plates are pressed on the top surfaces of the cast-in-place parts.
Preferably, an L-shaped support is further arranged on the indoor side surface of the vertical plate, the L-shaped support comprises a first embedded plate and a second support plate which are perpendicular to each other, the first embedded plate is anchored in concrete on the indoor side surface of the vertical plate, and the second support plate is placed on the top side of the beam.
Preferably, the second support plate is further provided with an adjusting bolt, and the adjusting bolt penetrates through a threaded hole in the second support plate and presses the top side of the beam.
Preferably, a first sleeve is embedded in the indoor side surface of the vertical plate.
Preferably, the anchoring reinforcing steel bars are L-shaped reinforcing steel bars, long sides of the L-shaped reinforcing steel bars are anchored in the prefabricated part, the cast-in-place part and the corrugated pipe in sequence, and short sides of the L-shaped reinforcing steel bars are anchored in the concrete of the prefabricated part.
Preferably, the anchoring reinforcing steel bar comprises a connecting rib, a second sleeve and anchoring legs, the connecting rib, the second sleeve and the anchoring legs are fixedly connected, the connecting rib is anchored in the concrete of the cast-in-place part of the corrugated pipe and the concrete of the cast-in-place part of the composite beam, the second sleeve and the anchoring legs are both pre-embedded in the concrete of the prefabricated part of the composite beam, and the open end of the second sleeve is flush with the top side surface of the prefabricated part.
Preferably, the roof structure further comprises a pitched roof, and the bottom side of the pitched roof is placed on the top side of the prefabricated gutter.
The pitched roof is characterized in that a supporting truss is further arranged at the bottom of the pitched roof, a notch is formed in the top of the indoor side of the prefabricated gutter, I-shaped steel is arranged at the notch, and the supporting truss is placed on the top surface of the I-shaped steel.
The prefabricated external wall plate is arranged on the bottom surface of the prefabricated gutter and connected with the beam, and the horizontal plate of the prefabricated gutter is pressed on the top side of the prefabricated external wall plate.
The assembling method of the prefabricated gutter connecting structure comprises the following steps:
s1, hoisting and positioning the beam;
s2, hoisting and positioning the prefabricated gutter, and aligning the corrugated pipe at the bottom of the prefabricated gutter to the anchoring steel bar extending out of the top side of the beam;
s3, arranging a temporary support for the indoor side of the prefabricated gutter;
s4, pouring high-strength mortar into the corrugated pipe of the prefabricated gutter, and detaching the temporary support after the mortar reaches the designed strength.
Preferably, when the beam in step S1 is a laminated beam, the specific steps in step S1 include: and hoisting and positioning the prefabricated part of the superposed beam, erecting a template, pouring concrete of the cast-in-place part, and removing the template after curing and forming.
Preferably, when the anchoring legs and the second sleeve are embedded in the precast part of the composite beam in the step S1, before the step S1 of pouring concrete of the cast-in-place part, the method further includes connecting and fixing the connecting bars of the anchoring steel bars and the second sleeve.
Preferably, the step S1 further includes arranging the prefabricated external wall panel, hoisting and positioning the prefabricated external wall panel, and connecting the prefabricated external wall panel with the beam.
Preferably, the method further comprises step S5 of water-proofing the abutted seams: and sealing the splicing seams between the prefabricated gutter and the prefabricated external wall panel or the pitched roof by adopting a foamed polyethylene rod and sealant.
The technical scheme of the utility model the beneficial technological effect who gains is:
the prefabricated gutter in the scheme has the advantages that no rib is produced during production, a production mold is simple, demolding efficiency is high, the turnover frequency of the mold is high, the loading rate in the transportation stage is increased, and potential safety hazards caused by the fact that the edge of a prefabricated component stretches out of a steel bar are avoided; vertical supports do not need to be erected or cast-in-place templates do not need to be erected on the bottom side of the construction site, the site construction efficiency is improved, and the construction cost is reduced; the diameter of a corrugated pipe hole reserved at the bottom of the prefabricated gutter is large, so that the fault tolerance rate is high when the anchoring steel bar is inserted, and the position relation between the prefabricated gutter and other prefabricated components is convenient to adjust; the prefabricated gutter is reliably connected with the beam, and the construction quality and safety can be guaranteed.
Drawings
The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation.
Fig. 1 is a vertical sectional view of a connecting structure of a prefabricated gutter according to embodiment 1;
fig. 2 is a vertical sectional view of a connecting structure of a prefabricated gutter in example 2;
fig. 3 is a schematic perspective view of the anchoring bar in example 2;
reference numerals: 1-prefabricated gutter, 2-superposed beam, 3-corrugated pipe, 4-L-shaped steel bar, 5-L-shaped supporting piece, 6-vertical plate, 7-horizontal plate, 8-reverse ridge, 9-first sleeve, 11-second sleeve, 12-anchoring supporting leg, 13-plugging material, 14-connecting rib, 15-floor slab, 16-prefabricated external wall plate, 17-pitched roof, 18-supporting truss and 19-I-shaped steel.
Detailed Description
The present invention will be described in detail with reference to the drawings, which are provided for illustrative and explanatory purposes only and should not be construed as limiting the scope of the present invention in any way. Furthermore, features from embodiments in this document and from different embodiments may be combined accordingly by a person skilled in the art from the description in this document.
Example 1
Referring to fig. 1, the connection structure of the prefabricated gutter 1 of the present embodiment includes a superposed beam 2 and the prefabricated gutter 1 having one end resting on the beam. Prefabricated gutter 1 is concrete monolithic pouring fashioned type L structure, including vertical board 6 and horizontal plate 7, and the end that vertical board 6 was kept away from to horizontal plate 7 is provided with anti-bank 8, and pre-buried bellows 3 has in the bottom concrete of vertical board 6. The superposed beam 2 comprises a prefabricated part and a cast-in-place part, and the indoor bottom surface of the vertical plate 6 is pressed on the top surface of the cast-in-place part. The top side of the superposed beam 2 extends out of an anchoring steel bar, and the top end of the anchoring steel bar extends into the corrugated pipe 3 of the prefabricated gutter 1. High-strength mortar is filled in the corrugated pipe 3 to connect the anchoring steel bar with the corrugated pipe 3, so that the prefabricated gutter 1 and the superposed beam 2 are connected. In this embodiment, the inside pipe diameter of the corrugated pipe 3 is 100mm, and the diameter of the top end of the anchoring reinforcing bar is 18mm, so that the corrugated pipe 3 has a large hole diameter relative to the anchoring reinforcing bar, which facilitates the adjustment of the position diagram of the prefabricated gutter 1 on the superposed beam 2, and can realize the position adjustment of the prefabricated gutter 1 in the range of approximately 90mm in all directions. For the vertical position adjustment of the prefabricated gutter 1, the vertical position adjustment can be realized by arranging an adjusting cushion block on the top surface of the superposed beam 2. By the arrangement, the fault tolerance rate of field construction is high, the operation is convenient, and the construction efficiency is high.
In other embodiments, the beam may be a fully-precast beam, the anchoring steel bars are embedded in the concrete of the fully-precast beam, and the top ends of the anchoring steel bars extend out of the top surface of the beam and are connected with the corrugated pipes 3 embedded in the bottom side of the precast gutter 1 through high-strength mortar.
Continuing to refer to fig. 1, in the present embodiment, the anchoring reinforcement is an L-shaped reinforcement 4, the short side of the L-shaped reinforcement 4 is anchored in the concrete of the prefabricated part, and the long side of the L-shaped reinforcement 4 is anchored in the prefabricated part, the cast-in-place part, and the corrugated pipe 3 in sequence.
Referring to the schematic diagram 1, on the basis of the present embodiment, in another modified embodiment, an L-shaped support 5 is further disposed on the indoor side surface of the vertical plate 6, and the L-shaped support 5 includes a first embedded plate and a second support plate perpendicular to each other, the first embedded plate is anchored in the concrete on the indoor side surface of the vertical plate 6, and the second support plate is placed on the top side of the beam. And the second supporting plate is also provided with an adjusting bolt which passes through a threaded hole in the second supporting plate and presses the top side of the beam.
Referring to the schematic diagram 1, on the basis of the embodiment, in another modified embodiment, a first sleeve 9 is embedded on the indoor side surface of the vertical plate 6. After hoisting the prefabricated gutter 1, the top end of the inclined support can be fixedly connected with the first sleeve 9, and the bottom end of the inclined support is fixed on the floor 15 at the indoor side, so that the temporary fixation of the prefabricated gutter 1 is realized.
The assembling method of the connecting structure of the prefabricated gutter 1 in this embodiment includes the steps of:
s1, hoisting and positioning the prefabricated part of the superposed beam 2, erecting a template, pouring concrete of the cast-in-place part, and removing the template after curing and forming;
s2, hoisting and positioning the prefabricated gutter 1, and aligning the corrugated pipe 3 at the bottom of the prefabricated gutter 1 to the anchoring steel bar extending out of the top side of the beam;
s3, arranging a temporary support at the indoor side of the prefabricated gutter 1;
s4, pouring high-strength mortar into the corrugated pipe 3 of the prefabricated gutter 1, and detaching the temporary support after the mortar reaches the designed strength.
On the basis of the present embodiment, in another modified embodiment, the prefabricated external wall panels 16 are disposed on the outdoor side of the composite beam 2, so that after the prefabricated part of the composite beam 2 is hoisted in step S1, the prefabricated external wall panels 16 are hoisted and positioned, the prefabricated external wall panels 16 are connected to the beam, and then the concrete of the cast-in-place part is poured to connect the prefabricated external wall panels 16 and the composite beam 2 together.
On the basis of the embodiment, in another improved embodiment, the method further comprises step S5 of performing water-proofing treatment on the abutted seams: and sealing the abutted seams by adopting a foamed polyethylene rod and sealant at the abutted seams of the prefabricated gutter 1 and the prefabricated external wall panel 16.
On the basis of the embodiment, in another modified embodiment, the indoor side of the composite beam 2 is further provided with a floor slab 15, and the connecting end of the floor slab 15 is provided with a groove. In step S1, the floor 15 is lifted and the bottom of the groove is pressed against the top surface of the prefabricated part of the composite beam 2, and then the cast-in-place part of the composite beam 2 and the concrete inside the groove are poured to connect the floor 15 and the composite beam 2.
Example 2
Referring to fig. 2 and 3, the connection structure of the prefabricated gutter 1 in the present embodiment includes a prefabricated gutter 1 and a superposed beam 2, wherein the prefabricated gutter 1 is the same as the structure in embodiment 1, and is an L-shaped structure integrally cast and formed by concrete. The indoor side bottom surface of prefabricated gutter 1 presses the top surface at composite beam 2, and the top of the pre-buried anchor reinforcing bar in composite beam 2 stretches into in prefabricated gutter 1's bellows 3, pours high strength mortar to the bellows intraductal and connects the two fixedly. The difference between this embodiment and embodiment 1 lies in the structure of the anchor bar, the anchor bar in this embodiment includes a connecting bar 14, a second sleeve 11 and an anchor leg 12 that are fixedly connected, the connecting bar 14 is anchored in the concrete of the cast-in-place portion of the corrugated pipe 3 and the composite beam 2, the second sleeve 11 and the anchor leg 12 are both pre-embedded in the concrete of the prefabricated portion of the composite beam 2, and the open end of the second sleeve 11 is flush with the top surface of the prefabricated portion. Due to the arrangement, no steel bar extends out of the prefabricated part of the superposed beam 2 during production, the complexity of a production mold is reduced, the demolding efficiency is improved, and the problems that the extending steel bar is easy to bend during transportation of a prefabricated part and potential safety hazards of the extending steel bar to operators are avoided; after the prefabricated part of the composite beam 2 is hoisted on a construction site, one end of the connecting rib 14 is connected with the opening end of the second sleeve 11 through threads, and then the cast-in-place concrete is poured.
Continuing with fig. 2, on the basis of the present embodiment, in a further improved embodiment, the connection structure of the prefabricated gutter 1 further comprises a pitched roof 17, the bottom side of the pitched roof 17 resting on the top side of the prefabricated gutter 1. The bottom of the pitched roof 17 is further provided with a supporting truss 18, the top of the indoor side of the prefabricated gutter 1 is provided with a notch, an I-shaped steel 19 is arranged at the notch, and the supporting truss 18 is placed on the top surface of the I-shaped steel 19.
Continuing to refer to the schematic diagram 2, on the basis of the embodiment, in another modified embodiment, the prefabricated wall panel 16 is further included and is arranged on the bottom surface of the prefabricated gutter 1, the prefabricated wall panel 16 is connected with the superposed beam 2, and the horizontal plate 7 of the prefabricated gutter 1 is pressed on the top side of the prefabricated wall panel 16.
The construction steps of the connection structure of the prefabricated gutter 1 in this embodiment are substantially the same as those in embodiment 1, except that: before the cast-in-place concrete is poured in step S1, the connecting bar 14 of the anchoring steel bar is connected and fixed with the second sleeve 11.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (10)
1. A connecting structure of a prefabricated gutter is characterized by comprising a beam and the prefabricated gutter, wherein one end of the prefabricated gutter is placed on the beam, the prefabricated gutter is of an L-shaped structure formed by integrally pouring concrete and comprises a vertical plate and a horizontal plate, the tail end of the horizontal plate, which is far away from the vertical plate, is provided with a reverse ridge, and a corrugated pipe is pre-buried in concrete at the bottom of the vertical plate; the beam is a superposed beam or a fully prefabricated beam, anchoring steel bars extend out of the top side of the superposed beam or the fully prefabricated beam, and the top ends of the anchoring steel bars extend into the corrugated pipe.
2. The connecting structure of the prefabricated gutter according to claim 1, wherein the composite girder includes a prefabricated part and a cast-in-place part, and the indoor bottom surface of the vertical slab is pressed against the top surface of the cast-in-place part.
3. The connecting structure of the prefabricated gutter according to claim 2, wherein an indoor side of the vertical plate is further provided with an L-shaped support member, the L-shaped support member comprising a first embedment plate and a second support plate perpendicular to each other, the first embedment plate being anchored in concrete of the indoor side of the vertical plate, the second support plate resting on a top side of the beam.
4. The connecting structure of the prefabricated gutter according to claim 3, wherein an adjusting bolt is further provided on the second support plate, the adjusting bolt passing through a threaded hole of the second support plate and pressing on the top side of the girder.
5. The connecting structure of a prefabricated gutter according to claim 4, wherein a first sleeve is further embedded in an indoor side surface of the vertical plate.
6. The connecting structure of a prefabricated gutter according to claim 2, wherein the anchoring reinforcing bars are L-shaped reinforcing bars, long sides of the L-shaped reinforcing bars are anchored in the prefabricated part, the cast-in-place part, and the corrugated pipe in sequence, and short sides of the L-shaped reinforcing bars are anchored in the concrete of the prefabricated part.
7. The connecting structure of the prefabricated gutter as claimed in claim 2, wherein the anchoring reinforcing bars comprise fixedly connected connecting bars, second sleeves and anchoring legs, the connecting bars are anchored in the concrete of the cast-in-place parts of the corrugated pipes and the composite beams, the second sleeves and the anchoring legs are pre-embedded in the concrete of the prefabricated parts of the composite beams, and the open ends of the second sleeves are flush with the top side surfaces of the prefabricated parts.
8. The prefabricated gutter connection structure according to any one of claims 1 to 7, further comprising a pitched roof, an underside of which rests on a topside of the prefabricated gutter.
9. The connecting structure of the prefabricated gutter as claimed in claim 8, wherein a supporting truss is further arranged at the bottom of the pitched roof, a notch is formed in the top of the indoor side of the prefabricated gutter, an I-shaped steel is arranged at the notch, and the supporting truss is placed on the top surface of the I-shaped steel.
10. The prefabricated gutter connection structure as claimed in claim 8, further comprising prefabricated external panels provided on the bottom surface of the prefabricated gutter, the prefabricated external panels being connected to the beams, and the horizontal panels of the prefabricated gutter being pressed against the top sides of the prefabricated external panels.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921704551.0U CN211421637U (en) | 2019-10-12 | 2019-10-12 | Connecting structure of prefabricated gutter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921704551.0U CN211421637U (en) | 2019-10-12 | 2019-10-12 | Connecting structure of prefabricated gutter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211421637U true CN211421637U (en) | 2020-09-04 |
Family
ID=72245582
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921704551.0U Active CN211421637U (en) | 2019-10-12 | 2019-10-12 | Connecting structure of prefabricated gutter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211421637U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113057105A (en) * | 2021-03-25 | 2021-07-02 | 山东大学 | Prefabricated manure trough and construction method thereof |
| CN113846809A (en) * | 2021-09-26 | 2021-12-28 | 浙江绿筑集成科技有限公司 | Mounting method of prefabricated overhanging gutter |
-
2019
- 2019-10-12 CN CN201921704551.0U patent/CN211421637U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113057105A (en) * | 2021-03-25 | 2021-07-02 | 山东大学 | Prefabricated manure trough and construction method thereof |
| CN113846809A (en) * | 2021-09-26 | 2021-12-28 | 浙江绿筑集成科技有限公司 | Mounting method of prefabricated overhanging gutter |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106401036B (en) | A kind of assembled steel frame prefabricated concrete floor structure | |
| WO2019206194A1 (en) | Prefabricated floor slab, connection structure thereof and construction method therefor | |
| CN108385904B (en) | Roofing parapet wall and construction method thereof | |
| CN110761322B (en) | Cast-in-place pipe gallery side wall horizontal construction joint reinforcing structure and construction method thereof | |
| CN107476476A (en) | One kind is greatly across steel bar truss floor support plate and reinforced beam combination constructing method thereof | |
| CN105569224A (en) | Concrete-filled steel tube edge restraint overlapping integrated shear wall and preparing and installation methods thereof | |
| CN110318490B (en) | Construction method for connecting laminated slab and secondary beam and node connecting structure | |
| CN112282115A (en) | Prefabricated assembled concrete wallboard and connecting structure and construction method thereof | |
| CN105220808A (en) | Large-span prestressed arch bar site prefabrication construction method of installation | |
| CN111576619A (en) | Production method of high-strength concrete post-cast assembled frame system | |
| CN206233434U (en) | A kind of assembled steel framework prefabricated concrete floor structure | |
| CN211421637U (en) | Connecting structure of prefabricated gutter | |
| KR101844344B1 (en) | the rigid connection structure between precast concrete column and precast concrete beam, the construction method of rigid connection structure using the same | |
| CN112112265A (en) | Connecting joint of dry-type connected precast beam column and construction method | |
| CN111734018A (en) | Formwork structure, disassembly-free mold and concrete wall construction method | |
| CN110805144B (en) | Full-assembly type high-rise/super high-rise concrete frame support structure system and construction method thereof | |
| CN110005200B (en) | Construction process for concrete pouring compaction of horizontal hidden beam | |
| CN110067321B (en) | Flexible connecting device for assembled shear wall and construction method thereof | |
| CN111364681A (en) | Prefabricated section steel concrete end column-beam node prestressed tendon staggered tensioning anchoring structure for assembly building and construction method | |
| CN110644662A (en) | Prefabricated flat slab composite slab based on stress and splitting method thereof | |
| CN215630801U (en) | Connecting structure of prefabricated assembled concrete wallboard | |
| CN211850272U (en) | Assembled superimposed sheet bearing structure | |
| CN212656384U (en) | High-strength concrete connecting piece, high-strength concrete post-cast assembled frame system and support frame | |
| JP2915897B1 (en) | Building construction method | |
| CN111101645A (en) | Self-in-place reinforced precast concrete wallboard, connecting structure and construction method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: No. 410000, shaping street, Changsha, Kaifu City, Hunan Province Patentee after: Zhuyou Zhizao Technology Industry Group Co.,Ltd. Address before: 10 Zhongshi Road, shaping street, Kaifu District, Changsha City, Hunan Province Patentee before: Zhongmin zhuyou Technology Industry Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20211221 Address after: 5 / F, office building 2, Zhongmin zhuyou Co., Ltd., No. 10, Zhongshi Road, shaping street, Kaifu District, Changsha City, Hunan Province, 410000 Patentee after: Zhuyou Zhizao Technology Investment Co.,Ltd. Address before: No. 410000, shaping street, Changsha, Kaifu City, Hunan Province Patentee before: Zhuyou Zhizao Technology Industry Group Co.,Ltd. |