CN219909679U - Prefabricated and cast-in-situ structure of roofing cornice structure - Google Patents
Prefabricated and cast-in-situ structure of roofing cornice structure Download PDFInfo
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- CN219909679U CN219909679U CN202221177609.2U CN202221177609U CN219909679U CN 219909679 U CN219909679 U CN 219909679U CN 202221177609 U CN202221177609 U CN 202221177609U CN 219909679 U CN219909679 U CN 219909679U
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- 238000011065 in-situ storage Methods 0.000 title description 19
- 239000004567 concrete Substances 0.000 claims abstract description 50
- 238000003466 welding Methods 0.000 claims abstract description 3
- 229910000831 Steel Inorganic materials 0.000 claims description 38
- 239000010959 steel Substances 0.000 claims description 38
- 230000003014 reinforcing effect Effects 0.000 claims description 12
- 239000011440 grout Substances 0.000 claims description 10
- 238000009417 prefabrication Methods 0.000 claims description 6
- 239000004540 pour-on Substances 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 2
- 238000010276 construction Methods 0.000 abstract description 17
- 239000011150 reinforced concrete Substances 0.000 abstract description 8
- 238000009435 building construction Methods 0.000 abstract description 2
- 230000001133 acceleration Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 5
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 3
- 239000002002 slurry Substances 0.000 description 3
- 238000005266 casting Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000007665 sagging Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000009415 formwork Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000004078 waterproofing Methods 0.000 description 1
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Abstract
The utility model provides a prefabricated and cast-in-place combined structure of a roof cornice structure, which belongs to the technical field of building construction and comprises a cornice structure, a support beam column, embedded bolts and a post-pouring cover reinforced concrete structure, wherein the embedded bolts are embedded on the support beam column and extend out of the top, reserved perforations are formed in the inner side section of the cornice structure, the cornice structure is hoisted on the top of the support beam column, the embedded bolts penetrate through the reserved perforations and are screwed and fixed by fixing nuts, and the post-pouring cover reinforced concrete structure is arranged on the fixing nuts and is arranged in a covering manner. Directly pour construction to cornice structure on ground, the accurate construction of pouring of each size of cornice structure has been guaranteed that can be fine, simultaneously more conveniently set up waterproof etc. has avoided the condition that the high altitude set up the support, the acceleration time limit for a project that can be great, when hoist and mount, carry out tip welding and set up concrete structure and pour through setting up inboard outstanding beam column and cornice structure, the atress problem of cornice structure can be fine solved.
Description
Technical Field
The utility model relates to the technical field of building construction, in particular to a prefabricated and cast-in-situ combined structure of a roof cornice structure.
Background
At present, a plurality of building roofs are picked out, one meter or more or two meters and the like, because the roof cornice structure is used for the waterproof function, the floors which are generally picked out are all capped floors, the height is higher, the existing pouring mode is very difficult to use, the support column is not arranged at the bottom for supporting and pouring, the construction is very difficult, meanwhile, the general pouring cannot meet the corresponding requirements in waterproof and the like due to the cornice structure, and therefore, a new construction method of the roof cornice structure needs to be researched.
Disclosure of Invention
The utility model aims to provide a prefabricated and cast-in-situ combined structure of a roof cornice structure, which solves the technical problems that the construction of the cornice structure of the existing house is difficult, and the dimension standard of the cornice is difficult to control.
According to the cornice elevation style of a certain group, the cornice modeling cantilever of most projects is large, cornice lines are complex, a construction frame is required to be erected for the second time during site construction, so that the construction process is complex, the time period is long, and the cornice part is considered to be carried out in a prefabricated component mode, so that the effect of reducing cost and enhancing efficiency is achieved.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
the utility model provides a prefabricated structure that combines with cast-in-place of roofing cornice structure, includes cornice structure, support beam column and pre-buried bolt, and pre-buried bolt is pre-buried on the support beam column to stretch out the top, be provided with on the inboard section of cornice structure and reserve the perforation, cornice structure hoist and mount at the top of support beam column, pre-buried bolt passes and reserves the perforation and set up fixation nut and screw up fixedly.
Further, above-mentioned scheme still includes inboard outstanding beam column and embedded bar, and inboard outstanding beam column sets up in the inboard of supporting beam column to with the integrative setting of supporting beam column, embedded bar sets up inboard outstanding Liang Zhuna, and stretches out the top of inboard outstanding beam column, embedded bar is connected with the inboard bar of cornice structure.
Further, be provided with the board of encorbelmenting and hang down the reinforcing bar of overhanging board structure rear end, embedded bar and the board of encorbelmenting hang down the reinforcing bar welding setting, hang down and form the back between reinforcing bar and the support beam column and pour the concrete frame, pour the back of concrete frame top after and pour the concrete frame and be provided with the concrete and vibrate the hole, pour the concrete frame after and pour concrete and pour board of encorbelmenting and hang down reinforcing bar and embedded bar.
Further, the pore diameter of reservation perforation is greater than the diameter of embedded bolt, is provided with in advance in the structure of cornice and reserves the PVC grout pipe, reserves the PVC grout pipe level and sets up, reserves the one end of PVC grout pipe and reserve perforation intercommunication, and the other end of reserving the PVC grout pipe stretches out the inboard of cornice structure, and embedded bolt passes and reserves the perforation after, uses concrete slurry to water the setting, and the bottom interconnect of embedded bolt sets up.
Further, above-mentioned scheme still includes the steel sheet, is provided with the perforation on the steel sheet, and the steel sheet sets up between fixed nut and cornice structure, and the top of steel sheet and fixed nut has been pour the shutoff and has been mixed earth closing cap setting after pouring.
Further, be provided with a plurality of lug on the structure of cornice, the lug sets up on the top of cornice structure, and the structure of cornice is pour on ground and is formed.
Further, above-mentioned scheme still includes the crab-bolt, and the crab-bolt is pre-buried to be set up in the side of cornice structure, and the upper end of crab-bolt is provided with the anchor plate, and cornice structure is fixed through the anchor plate connection with adjacent cornice structure, and crab-bolt department is provided with the side spread groove, and the anchor plate is impressed in the side spread groove to pour the concrete.
The construction process of the device combining prefabrication and cast-in-place of the roof cornice structure is constructed, when the floor where the roof cornice structure is required to be arranged is constructed, a plurality of embedded bolts are embedded into the pouring support beam column, the bottoms of the embedded bolts are welded and connected with each other, meanwhile, an inner protruding beam column which is as small as the pouring support Liang Zhuda is arranged on the inner side of the pouring support beam column, then embedded into embedded bars is protruded Liang Zhuna on the inner side, building concrete is completed, the pouring of the support beam column and the inner protruding beam column is completed, the concrete structure of the roof cornice structure required by the drawing design is cast on the ground, reserved through holes are reserved, meanwhile, the inner side steel bar structure is not covered, so that part of the exposed steel bar structure is exposed, then water-proof and thermal insulation setting is carried out, the cornice structure pouring setting is completed, the cornice structure is hung on the support beam column by using a crane, the embedded bolts are inserted into the reserved through holes, then the embedded concrete slurry is put into a steel plate through the embedded bolts, then a fixing nut is screwed and fixed, the embedded bars on the inner side of the embedded bars of the cornice structure are welded and fixed on the top of the embedded bolts, the concrete pouring is completed.
Further, the concrete process of setting the cornice structure is that the thickness of the cornice structure is 1/10 of the overhanging span, the overhanging span is less than 1400mm, the thickness of the cornice structure is less than 140mm, the width of the cornice structure is controlled within 1 meter, the weight of the cornice structure is ensured to be within 1 ton,
when the cornice structure is arranged at the house type position at the corner of the roof, the cantilever span is large, and the maximum corner cornice structure exceeds 2 meters, so that the cast-in-situ beam structure ensures the structural safety, the weight of the cornice structure is controlled to be within 1 ton, the cornice structure is split along the inclined angle, and the thickness of the cornice structure is controlled to be within 100mm and not lower than 80mm;
when the overhanging eave structure is stressed, the overturning moment of the overhanging eave structure is calculated firstly: m1=1/2ql2+fl, and then the anti-overturning moment at the top of the support beam column is analyzed: m2=r1x0.1, while satisfying M2/M1>2.0, and then calculating the number of the embedded bolts according to M2 and M1. R1 is the tensile force of the bolt, q is the uniformly distributed load, L is the overhanging length, F is the forefront stress, and L2 is equal to one half L.
Due to the adoption of the technical scheme, the utility model has the following beneficial effects:
according to the utility model, the cornice structure is directly cast on the ground, so that the accurate casting construction of each size of the cornice structure can be well ensured, meanwhile, the water proofing and the like are more conveniently arranged, the condition of supporting is avoided, the construction period can be greatly shortened, and meanwhile, when the cornice is hoisted, the stress problem of the cornice structure can be well solved by arranging the inner protruding beam column to be welded with the end part of the cornice structure and arranging the concrete structure for casting.
Drawings
FIG. 1 is a schematic view of the structure of the device of the present utility model;
FIG. 2 is a top view of the device of the present utility model;
FIG. 3 is a schematic diagram of the structure of the embedded bolt of the device of the utility model;
FIG. 4 is a schematic representation of the anchor structure of the device of the present utility model;
FIG. 5 is a schematic diagram of the design force analysis of the device of the present utility model.
In the attached drawings, a 1-cornice structure, a 2-lifting lug, a 3-supporting beam column, a 4-embedded bolt, a 5-reserved perforation, a 6-inner protruding beam column, a 7-embedded steel bar, an 8-steel plate, a 9-fixed nut, 10-post pouring plugging concrete, a 11-cast-in-situ flat plate structure, 12-anchor bolts, 13-post pouring concrete frames, 14-hanging plate sagging steel bars, 15-side connecting grooves, 16-reserved PVC grouting pipes and 17-concrete vibrating holes.
Detailed Description
In order to make the objects, technical solutions and advantages of the present utility model more apparent, the present utility model will be further described in detail below by referring to the accompanying drawings and by illustrating preferred embodiments. It should be noted, however, that many of the details set forth in the description are merely provided to provide a thorough understanding of one or more aspects of the utility model, and that these aspects of the utility model may be practiced without these specific details.
As shown in fig. 1-5, a prefabricated and cast-in-place combined structure of roof cornice structure comprises a cornice structure 1, a support beam column 3, an embedded bolt 4 and a post pouring cover reinforced concrete structure, wherein the embedded bolt 4 is embedded on the support beam column 3 and extends out of the top, a reserved through hole 5 is formed in the inner side section of the cornice structure 1, the cornice structure 1 is hoisted at the top of the support beam column 3, the embedded bolt 4 penetrates through the reserved through hole 5 and is screwed and fixed by a fixing nut 9, and the post pouring cover reinforced concrete structure is arranged on the fixing nut 9 and is arranged in a covering manner. Fixing the cornice structure 1 through setting up embedded bolt 4, setting up of cornice structure 1 simultaneously needs to carry out weight calculation, then obtains embedded bolt 4 atress condition through atress calculation, needs pour after all back and cover reinforced concrete structure is accomplished, and the loop wheel machine just can be released, better fixed. The setting of the post-pouring covered reinforced concrete structure is mainly to understand that the upper end presses the fixed cornice structure 1, so that the stress is better, and the setting is not needed.
Be provided with a plurality of crab-bolts 12 on cornice structure 1, crab-bolt 12 are pre-buried in cornice structure 1 to expose the outside. The outside of support beam column 3 is provided with support mound 13, and support mound 13 and the integrative setting of support beam column 3, support mound 13 set up to triangle body structure, vertical mound structure or slope outer stay bar structure.
In this scheme embodiment, still include inboard outstanding beam column 6 and embedded bar 7, inboard outstanding beam column 6 sets up in the inboard of supporting beam column 3 to with the integrative setting of supporting beam column 3, embedded bar 7 sets up in inboard outstanding beam column 6, and stretches out the top of inboard outstanding beam column 6, embedded bar 7 is connected with the reinforcing bar of back pouring cover reinforced concrete structure. The inner protruding beam column 6 and the embedded bars 7 are stressed mainly from the rear end, and the stress of the inner protruding beam column 6 and the embedded bars 7 is larger than that of the supporting beam column 3 through the lever principle, so that the heavier cornice structure 1 can be born. The steel bars at the rear end of the cornice structure 1 are exposed, the embedded steel bars 7 are welded with the exposed steel bars at the rear end of the cornice structure 1, the steel bar structure covering the reinforced concrete structure is welded with the embedded steel bars 7, and concrete covering is poured.
In this scheme embodiment, the aperture of reserving perforation 5 is bigger than the diameter of embedded bolt 4, and after embedded bolt 4 passed reserving perforation 5, use concrete slurry to water the setting, the bottom interconnect of embedded bolt 4 sets up. Through the grout for embedded bolt 4 and the better fixed of structure 1 of corning avoid appearing rocking the condition.
In this scheme embodiment, still include steel sheet 8, be provided with the perforation on the steel sheet 8, steel sheet 8 sets up between fixation nut 9 and cornice structure 1. Be provided with a plurality of lug 2 on cornice structure 1, lug 2 sets up on the top of cornice structure 1, cornice structure 1 is pour on ground and is formed. The steel plate 8 is mainly stressed uniformly, so that the phenomenon that concrete is worn out due to too small fixing nuts 9 is avoided, and the reinforcing effect is achieved.
In this scheme embodiment, still include crab-bolt 12, the pre-buried setting of crab-bolt 12 is in cornice structure 1, and the upper end of crab-bolt 12 is provided with the anchor slab, and cornice structure 1 is fixed through the anchor slab connection with adjacent cornice structure 1.
When the overhanging board sagging steel bar 14 is in a structure of the overhanging eave structure 1, reserved outgoing steel bars are connected through the steel bars to improve stress.
As shown in fig. 1 and 2, the inner protruding beam column 6 is provided with a cast-in-place slab structure 11, and the cast-in-place slab structure 11 realizes inward tension on the inner protruding beam column 6, and simultaneously facilitates construction workers to stand on. After the installation, get up crab-bolt 12 closing cap with the concrete thick liquid, fill up side spread groove 15, then with concrete from reserving PVC grout pipe 16 with concrete filling for the concrete is fixed with embedded bolt 4 and cornice structure 1 connection, also can fix cornice structure 1 and support beam column 3's top simultaneously, better formation integrated structure, better atress. When concrete of the concrete frame 13 is poured after pouring, the concrete is put into the vibrating device from the concrete vibrating holes 17 for vibrating, so that the stability is improved.
The construction process of the device combining prefabrication and cast-in-place of the roof cornice structure is constructed, when a floor of the roof cornice structure is required to be arranged, a plurality of embedded bolts 4 are embedded into the pouring support beam column 3 when the support beam column 3 is poured, the bottoms of the embedded bolts 4 are mutually welded and connected, meanwhile, an inner protruding beam column 6 which is the same as the size of the pouring support beam column 3 is arranged on the inner side of the pouring support beam column 3, embedded steel bars 7 are embedded into the inner protruding beam column 6, building concrete is then carried out, pouring of the support beam column 3 and the inner protruding beam column 6 is completed, the concrete structure of the roof cornice structure is designed according to the drawing, pouring is carried out on the ground, reserved perforations 5 are reserved, meanwhile, the inner steel bar structure is not covered, part of the support beam column 3 is exposed, then maintained and waterproof and heat insulation hanging machines are used for completing pouring of the cornice structure 1, the cornice structure 1 is hoisted into the support beam column 3, the embedded bolts 4 are inserted into the perforations 5, grouting is carried out, steel plates 8 are placed through the embedded bolts 4 at the upper ends of the cornice structure 1, fixing nuts 9 are then arranged and are screwed down to be fixed (the concrete nuts are fixed on the top of the pre-embedded steel bars 7 and the concrete pre-embedded steel bars are arranged, and the top of the pre-embedded steel bars is welded to be fixed on the exposed steel bars, and the top is arranged.
The concrete process of setting the cornice structure 1 is that the thickness of the cornice structure 1 is 1/10 of the overhanging span, the overhanging span is less than 1400mm, the thickness of the cornice structure 1 is less than 140mm, the width of the cornice structure 1 is controlled within 1 meter, the weight of the cornice structure 1 is ensured within 1 ton,
when the cornice structure 1 is arranged at a house type position at the corner of the roof, the cantilever span is large, and the maximum corner is more than 2 meters, so that the cast-in-situ beam type structure ensures the structural safety, the weight of the cornice structure 1 is controlled to be within 1 ton, the cornice structure 1 is split along sharp angle oblique lines, and the thickness of the cornice structure 1 is controlled to be within 100mm and not lower than 80mm;
when designing the structure 1 atress of corning, calculate the moment of overturning of cornice structure 1 at first: m1=1/2ql2+fl, and then the anti-overturning moment at the top of the support beam column 3 is analyzed: m2=r1x0.1, while satisfying M2/M1>2.0, and then calculating the number of the embedded bolts 4 from M2 and M1.
The whole device is divided into five parts: prefabricated component system, pre-buried system, cast-in-situ structure system, connection system, reinforcing system.
Prefabricated component system: the prefabricated part standard joint is calculated at the universal joint position according to the pure cantilever plates, the cantilever plate thickness is generally 1/10 of the cantilever span, deflection and cracks are strictly controlled, structural safety is ensured, the common cantilever span is generally within 1400mm, the plate thickness of 140mm is generally taken, the plate width is generally controlled within 1 meter, and the tonnage of the standard joint is ensured to be within 1 ton.
In the house type position at the corner of the roof, the cantilever span is larger, and the cantilever at the maximum corner position exceeds 2 meters, so that the safety of the structure is ensured by the cast-in-situ beam type structure. In order to control the weight of the prefabricated part to be within 1 ton, the prefabricated part is split along sharp angle oblique lines, the plate thickness is controlled to be within 100mm and not lower than 80mm, and standard section prefabricated steel bars are connected together through cast-in-situ beams.
And (3) embedding a system:
the embedded system comprises two parts, wherein one part is an anchor bolt plate and a reinforcing steel bar embedded in the prefabricated part, and the other part is a bolt and a reinforcing steel bar embedded in the cast-in-situ structure.
And (3) a cast-in-situ structural system: the cast-in-place structure system comprises a main body structure cast-in-place and a post-pouring system. The cast-in-situ of the main body structure mainly considers the node lines overhanging within 800, can be directly constructed through the climbing frame, does not need to secondarily erect the overhanging frame, and simultaneously reduces the difficulty of prefabricated member construction.
The post-pouring system comprises a post-pouring concrete pier, a post-pouring concrete beam and a post-grouting plug which plays a role in protecting the durability of the bolt. The concrete pier poured later mainly aims to transfer the cantilever plate steel bars of the prefabricated part to a cast-in-situ structural system, so that the whole stress is ensured.
The connection system is as follows:
(1) The prefabricated cornice standard knot is connected with the main body structure: in the construction stage, bolts are connected through bolts pre-buried on a main structure, after the standard section is installed, pre-buried steel bars on the precast slab are welded with the pre-buried steel bars on the main structure, and then concrete piers are poured for connection;
(2) The cast-in-situ beam at the corner cornice position is connected with the prefabricated arc cornice: in the construction stage, the arc-shaped cornice needs to be correspondingly supported, after being installed, the arc-shaped cornice is connected with the main body structure through the embedded bolts and the embedded bars, then the formwork of the cast-in-situ beam and the installation of the bars are carried out, and the stirrups of the cast-in-situ beam need to be welded with the embedded bars on the arc-shaped cornice. And pouring concrete after the concrete is finished, and removing the support and the template after the concrete reaches the corresponding strength.
(3) Connection between prefabricated standard nodes: the prefabricated part standard section is mainly connected through a pre-embedded anchor bolt, a steel plate and a bolt in the later period.
Reinforcing system:
the structure mainly has the following weak points: the prefabricated part is provided with a hole by a bolt, so that the section of the part is weakened; the prefabricated component is connected with the cast-in-situ component through bolts in the construction stage, and the corresponding partial pressure exists at the connection position due to the large stress. Therefore, for the above, the reinforcement is performed by arranging the longitudinal and transverse reinforcing steel meshes on the prefabricated component and the cast-in-situ component, and the strength grade of the concrete is improved to C40.
The foregoing is merely a preferred embodiment of the present utility model and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present utility model, which are intended to be comprehended within the scope of the present utility model.
Claims (5)
1. The utility model provides a roofing cornice structure prefabricates and cast-in-place structure that combines which characterized in that: the novel cantilever beam comprises a cantilever structure (1), a supporting beam column (3) and an embedded bolt (4), wherein the embedded bolt (4) is embedded on the supporting beam column (3) and extends out of the top, a reserved through hole (5) is formed in the inner side section of the cantilever structure (1), the cantilever structure (1) is hoisted on the top of the supporting beam column (3), and the embedded bolt (4) penetrates through the reserved through hole (5) and is fixedly screwed by a fixing nut (9);
the novel cantilever beam structure further comprises an inner protruding beam column (6) and embedded bars (7), wherein the inner protruding beam column (6) is arranged on the inner side of the supporting beam column (3) and is integrally arranged with the supporting beam column (3), the embedded bars (7) are arranged in the inner protruding beam column (6) and extend out of the top of the inner protruding beam column (6), and the embedded bars (7) are connected with the bars on the inner side of the cantilever structure (1);
the utility model provides a be provided with cantilever plate sags reinforcing bar (14) of cornice structure (1) rear end, embedded bar (7) and cantilever plate sags reinforcing bar (14) welding setting, form back between cantilever plate sags reinforcing bar (14) and supporting beam post (3) and pour concrete frame (13), pour the back of concrete frame (13) top and pour concrete frame (13) and be provided with concrete vibrating hole (17), pour the concrete frame (13) after and pour concrete and submerged cantilever plate sags reinforcing bar (14) and embedded bar (7).
2. The roof cornice structure prefabrication and cast-in-place combined structure according to claim 1, wherein: the aperture ratio of reserving perforation (5) is big than the diameter of pre-buried bolt (4), presets in cornice structure (1) and has reserved PVC grout pipe (16), reserves PVC grout pipe (16) level setting, and the one end of reserving PVC grout pipe (16) is with reserving perforation (5) intercommunication, and the inboard that cornice structure (1) was stretched out to the other end of reserving PVC grout pipe (16), and after pre-buried bolt (4) passed reserved perforation (5), use concrete thick liquid to water the setting, the bottom interconnect setting of pre-buried bolt (4).
3. The roof cornice structure prefabrication and cast-in-place combined structure according to claim 2, wherein: still include steel sheet (8), be provided with the perforation on steel sheet (8), steel sheet (8) set up between fixation nut (9) and cornice structure (1), and the top of steel sheet (8) and fixation nut (9) has been pour the shutoff and has been mixed earth (10) closing cap setting after pouring.
4. A roof cornice structure prefabrication and cast-in-place combined structure according to claim 3, wherein: be provided with a plurality of lug (2) on cornice structure (1), lug (2) set up the top of cornice structure (1), cornice structure (1) are pour on ground and are formed.
5. The roof cornice structure prefabrication and cast-in-place combined structure according to claim 4, wherein: still include crab-bolt (12), the pre-buried side that sets up in cornice structure (1) of crab-bolt (12), the upper end of crab-bolt (12) is provided with the anchor plate, cornice structure (1) and adjacent cornice structure (1) are connected fixedly through the anchor plate, and crab-bolt (12) department is provided with side spread groove (15), in the anchor plate impressed side spread groove (15) to pour the concrete.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221177609.2U CN219909679U (en) | 2022-05-17 | 2022-05-17 | Prefabricated and cast-in-situ structure of roofing cornice structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221177609.2U CN219909679U (en) | 2022-05-17 | 2022-05-17 | Prefabricated and cast-in-situ structure of roofing cornice structure |
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| Publication Number | Publication Date |
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| CN219909679U true CN219909679U (en) | 2023-10-27 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114922360A (en) * | 2021-12-31 | 2022-08-19 | 赵鹏付 | Device for combining prefabrication and cast-in-place of roof cornice structure and construction method thereof |
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2022
- 2022-05-17 CN CN202221177609.2U patent/CN219909679U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114922360A (en) * | 2021-12-31 | 2022-08-19 | 赵鹏付 | Device for combining prefabrication and cast-in-place of roof cornice structure and construction method thereof |
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| GR01 | Patent grant |