CN114934589B - Official cap-shaped building structure and construction method thereof - Google Patents
Official cap-shaped building structure and construction method thereof Download PDFInfo
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- CN114934589B CN114934589B CN202210580781.0A CN202210580781A CN114934589B CN 114934589 B CN114934589 B CN 114934589B CN 202210580781 A CN202210580781 A CN 202210580781A CN 114934589 B CN114934589 B CN 114934589B
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- 238000010276 construction Methods 0.000 title claims abstract description 20
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 153
- 239000010959 steel Substances 0.000 claims abstract description 153
- 239000011150 reinforced concrete Substances 0.000 claims abstract description 37
- 210000000988 bone and bone Anatomy 0.000 claims description 37
- 238000009435 building construction Methods 0.000 claims description 16
- 229910052782 aluminium Inorganic materials 0.000 claims description 11
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 10
- 239000004567 concrete Substances 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 4
- 238000012946 outsourcing Methods 0.000 claims description 2
- 238000003466 welding Methods 0.000 claims description 2
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000005266 casting Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/38—Connections for building structures in general
- E04B1/41—Connecting devices specially adapted for embedding in concrete or masonry
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/38—Connections for building structures in general
- E04B1/58—Connections for building structures in general of bar-shaped building elements
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B7/00—Roofs; Roof construction with regard to insulation
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C3/00—Structural elongated elements designed for load-supporting
- E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
- E04C3/29—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces built-up from parts of different material, i.e. composite structures
- E04C3/293—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces built-up from parts of different material, i.e. composite structures the materials being steel and concrete
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C3/00—Structural elongated elements designed for load-supporting
- E04C3/30—Columns; Pillars; Struts
- E04C3/36—Columns; Pillars; Struts of materials not covered by groups E04C3/32 or E04C3/34; of a combination of two or more materials
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Chemical & Material Sciences (AREA)
- Composite Materials (AREA)
- Mechanical Engineering (AREA)
- Joining Of Building Structures In Genera (AREA)
- Foundations (AREA)
Abstract
The invention provides a official cap-shaped building structure and a construction method thereof, wherein the structure comprises the following components: the foundation comprises a plurality of stiff beams cast on the roof and a bottom steel platform connected with the front ends of the stiff beams, wherein the bottom steel platform is arranged in a cantilever manner relative to the front side of the roof; the main body comprises a plurality of rows of stiff columns and a plurality of rows of reinforced concrete columns which are sequentially arranged along the front-back direction, wherein the lower ends of the stiff columns and the lower ends of the reinforced concrete columns are pre-buried in a roof; and the roof comprises a front steel platform, a middle steel platform and a rear steel platform which are sequentially arranged along the front-back direction, wherein the rear end of the front steel platform is connected with the upper end of the stiffness column and is arranged in a cantilever manner relative to the front side of the roof, and the front end of the rear steel platform is connected with the upper end of the reinforced concrete column and is arranged in a cantilever manner relative to the rear side of the foundation. The invention has the beneficial effects that: the structure of the official cap-shaped building is realized, and the problems that the sectional size of the official cap-shaped building is small, but the construction and construction are difficult due to the large overhanging length are solved.
Description
Technical Field
The invention relates to the technical field of building structures and building construction, in particular to a official hat-shaped building structure and a construction method thereof.
Background
As shown in figure 1, the building structure is a official hat-shaped building, the design concept is an ancient official hat, the shape is more complex, and the building structure is of a multi-shaped structure and is applied to the stairwell roof of a building hall. The roof structure of the building structure can contain stairwells, elevator halls, home-exit rest platforms and the like, has multiple functional areas and has high structural form requirements. The official cap-shaped building has the remarkable characteristics of small section size and large overhanging length, so that the construction and the construction of a reinforced concrete structure of a general building are difficult.
Disclosure of Invention
In view of this, in order to solve the construction and construction problems of the official cap type building, embodiments of the present invention provide an official cap type building construction and a construction method thereof.
Embodiments of the present invention provide a official cap building construction comprising:
the foundation comprises a plurality of stiff beams cast on a roof and a bottom steel platform connected with the front ends of the stiff beams, wherein the bottom steel platform is arranged in a cantilever manner relative to the front side of the roof;
the main body comprises a plurality of rows of stiff columns and a plurality of rows of reinforced concrete columns which are sequentially arranged along the front-back direction, wherein the lower ends of the stiff columns and the lower ends of the reinforced concrete columns are pre-buried in the roof, the space between the stiff columns is a platform space, and the space between the reinforced concrete columns is an elevator hoistway;
and the roof comprises a front steel platform, a middle steel platform and a rear steel platform which are sequentially arranged along the front-back direction, wherein the rear end of the front steel platform is connected with the upper end of the stiff column and is overhanging relative to the front side of the roof, and the front end of the rear steel platform is connected with the upper end of the reinforced concrete column and is overhanging relative to the rear side of the foundation.
Further, the front end and the rear end of the steel bones of the stiff beam are respectively connected with the steel bones of the two stiff columns arranged front and back.
Further, the upper ends of the steel bones of the foremost row of the stiffness columns are welded with the rear ends of the front steel platform.
Further, connecting plates are embedded in the upper ends of the rearmost row of reinforced concrete columns, and the front ends of the rear steel platforms are respectively connected with the connecting plates in a welded mode.
Further, the roof further comprises an aluminum plate laid on the front steel platform, the middle steel platform and the rear steel platform.
Further, the overhanging length of the bottom steel platform relative to the roof is greater than 7m, and the overhanging length of the front steel platform relative to the roof is greater than the overhanging length of the bottom steel platform relative to the roof by at least 2m.
In addition, the embodiment of the invention also provides a construction method for constructing the official cap-shaped building structure, which comprises the following steps:
s1, pre-burying steel bones of each stiff column and each stiff beam on a roof, pouring outsourcing concrete to the steel bones of each stiff column and each stiff beam, and then pouring each reinforced concrete column, wherein each reinforced concrete column surrounds an elevator shaft of the roof;
s2, connecting the bottom steel platform with the front end of each stiff beam, so that the bottom steel platform is arranged in a cantilever manner relative to the roof;
s3, arranging the front steel platform, the middle steel platform and the rear steel platform at the upper ends of the stiffness columns and the reinforced concrete columns, connecting the rear ends of the front steel platform with the upper ends of steel bones of the stiffness columns, enabling the front steel platform to be overhanging relative to the front side of the roof, connecting the front ends of the rear steel platform with the upper ends of the reinforced concrete columns, and enabling the rear steel platform to be overhanging relative to the rear side of the foundation.
Further, the method also comprises a step S4 of arranging keels around the main body and installing curtain walls.
Further, the step S3 further includes laying an aluminum plate on the front steel platform, the middle steel platform, and the rear steel platform.
Further, when the steel bones of the stiffness columns and the stiffness beams are pre-buried in the step S1, the steel bones of the stiffness beams are welded and connected with the steel bones of the stiffness columns.
The technical scheme provided by the embodiment of the invention has the beneficial effects that: according to the structure of the official hat-shaped building and the construction method thereof, the stiff structure consisting of the stiff columns and the stiff beams is adopted in the platform space at the front part to realize a framework, so that the long overhanging arrangement of the front part of the official hat-shaped building is realized; the elevator shaft at the rear part is constructed by adopting a reinforced concrete column, the roof adopts a steel structure and an aluminum plate to lighten the load, the structure of the official hat-shaped building is realized, and the problems that the sectional size of the official hat-shaped building is small but the construction and construction are difficult due to the large overhanging length are solved.
Drawings
FIG. 1 is a schematic view of a hat-shaped building in the background;
FIG. 2 is a schematic diagram of the skeleton of a hat-shaped building construction of the present invention;
FIG. 3 is a schematic plan view of a hat-shaped building construction of the present invention;
FIG. 4 is a schematic cross-sectional view of a hat-shaped building construction of the present invention;
fig. 5 is an overall effect diagram of a hat-shaped building construction of the present invention.
In the figure: 1-stiffness beam, 2-bottom steel platform, 3-stiffness column, 4-reinforced concrete column, 5-front steel platform, 6-middle steel platform, 7-rear steel platform, 8-platform space, 9-elevator shaft, 10-foundation, 11-aluminum plate, 12-curtain wall.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be further described with reference to the accompanying drawings. The following presents a preferred one of a number of possible embodiments of the invention in order to provide a basic understanding of the invention, but is not intended to identify key or critical elements of the invention or to delineate the scope of the invention.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted", "connected" and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
Referring to fig. 2, 3 and 4, an embodiment of the present invention provides a official cap building construction for roof construction of stairwell of a building hall, which mainly comprises a foundation 10, a main body and a roof.
Wherein, as shown in fig. 2 and 3, the foundation 10 comprises a plurality of stiff beams 1 cast on the roof, and a bottom steel platform 2 connected with the front end of each stiff beam 1. Each of the stiff beams 1 is arranged in the front-rear direction with its front end extending to the front side of the roof, and the bottom steel platform 2 is welded to the front end of each of the stiff beams 1. So that the bottom steel platform 2 is arranged in a cantilever manner relative to the front side of the roof, and the cantilever length of the bottom steel platform 2 relative to the roof can be more than 7 m.
The main body comprises a plurality of rows of stiff columns 3 and a plurality of rows of reinforced concrete columns 4 arranged in sequence along the front-rear direction. The lower ends of the stiffening columns 3 and the lower ends of the reinforced concrete columns 4 are embedded in the roof, the space between the stiffening columns 3 is a platform space 8, the stiffening columns 3 are arranged in a plurality of rows according to a secondary structure planned in the platform space 8, and each row of stiffening columns 3 is arranged at intervals along the width direction. Each of the reinforced concrete columns 4 is disposed around the hoistway position of the roof such that the space between each of the reinforced concrete columns 4 forms an elevator hoistway 9.
The steel bones of the stiffness beam 1 and the stiffness column 3 are simultaneously arranged, before the outer-covered concrete is poured between the stiffness beam 1 and the stiffness column 3, the front end and the rear end of the steel bones of the stiffness beam 1 are respectively connected with the lower ends of the steel bones of the two stiffness columns 3 arranged front and back, and then the steel bones of the stiffness beam 1 and the stiffness column 3 are simultaneously poured and molded.
The width of roofing is greater than the width of main part, the roofing includes preceding steel platform 5, well steel platform 6 and the back steel platform 7 that set gradually along the fore-and-aft direction, preceding steel platform 5 well steel platform 6 with back steel platform 7 welded connection in proper order.
The rear end of the front steel platform 5 is connected with the upper end of the stiff column 3 and is arranged in a overhanging manner relative to the front side of the roof, so that the front steel platform can be upwards selected and is closer to the shape of an ancient official cap. The rear end of the front steel platform 5 is specifically welded and connected with the upper end of the framework of the stiff column 3. The overhanging length of the front steel platform 5 relative to the roof may be at least 2m greater than the overhanging length of the bottom steel platform relative to the roof.
The bottom of the middle steel platform 6 is respectively connected with the upper end of the stiff column 3 and the upper end of the reinforced concrete column 4. The front end of the rear steel platform 7 is connected with the upper end of the reinforced concrete column 4 and is arranged in a cantilever manner relative to the rear side of the foundation.
As shown in fig. 2, in this embodiment, the upper ends of the steel bones of the foremost row of the stiff columns 3 are welded with the rear ends of the front steel platform 5; the upper ends of the rearmost row of reinforced concrete columns 4 are pre-embedded with connecting plates, and the front ends of the rear steel platforms 7 are respectively connected with the connecting plates in a welded mode. The connecting plates are steel plates, wherein connecting plates are embedded in the upper end of each reinforced concrete column 4 and are welded with the middle steel platform 6 or the rear steel platform 7 through the connecting plates.
As shown in fig. 3, the roof further comprises an aluminum plate 11 laid on the front steel platform 5, the middle steel platform 6 and the rear steel platform 7, and the light aluminum plate 11 is laid and installed on the front steel platform 5, the middle steel platform 6 and the rear steel platform 7, so that the load is reduced, and the requirements of the roof modeling can be met.
In addition, as shown in fig. 2, 3, 4 and 5, in order to achieve the construction of the above-described official cap-shaped building construction, an embodiment of the present invention further provides a construction method comprising the steps of:
s1, pre-burying steel bones of each stiff column 3 and each stiff beam 1 on a roof, casting outer-wrapping concrete on the steel bones of each stiff column 3 and each stiff beam 1, and then casting each reinforced concrete column 4, wherein each reinforced concrete column 4 surrounds an elevator shaft of the roof.
And when the steel bones of the stiffness columns 3 and the stiffness beams 1 are pre-buried, welding and connecting the steel bones of the stiffness beams 1 with the steel bones of the stiffness columns 3. In this embodiment, the steel bones of the stiffness beam 1 are arranged along the front-rear direction, the front ends of the steel bones of the stiffness beam 1 are welded with the lower ends of the steel bones of the stiffness columns 3, the rear ends of the steel bones of the stiffness beam 1 are welded with the lower ends of the steel bones of the stiffness columns 3, and after all the two ends of the steel bones of the stiffness beam 1 are connected with the steel bones of the stiffness columns 3, the steel bones of the stiffness columns 3 and the stiffness beam 1 are poured with the external concrete.
S2, connecting the bottom steel platform 2 with the front end of each stiff beam 1, so that the bottom steel platform 2 is arranged in a cantilever manner relative to the roof. As in the present embodiment, the rear ends of the bottom steel platform 2 are welded to the front ends of the respective stiff beams 1, so that the load capacity of the bottom steel platform 2 can be improved due to the welded connection of the steel bones of the stiff beams 1 and the steel bones of the stiff columns 3.
S3, arranging the front steel platform 5, the middle steel platform 6 and the rear steel platform 7 at the upper ends of the stiffness columns 3 and the reinforced concrete columns 4, connecting the rear ends of the front steel platform 5 with the upper ends of steel bones of the stiffness columns 3, enabling the front steel platform 5 to be overhanging relative to the front side of a roof, connecting the front ends of the rear steel platform 7 with the upper ends of the reinforced concrete columns 4, and enabling the rear steel platform 7 to be overhanging relative to the rear side of the foundation 10.
The front steel platform 5, the middle steel platform 6 and the rear steel platform 7 can be welded and connected in sequence to form a whole. In addition, an aluminum plate 11 can be laid on the front steel platform 5, the middle steel platform 6 and the rear steel platform 7.
S4, arranging keels around the main body and installing curtain walls 12. In this embodiment, the width of the roof is larger than that of the main body at the bottom, transverse keels are arranged at the edges of the bottom surface of the roof and the main body, angle steel and aluminum plate corner brackets are installed on the keels, curtain walls 12 are installed around the periphery of the main body through the angle steel and aluminum plate corner brackets, and the construction of the outer elevation of the official hat-shaped building is completed.
In this document, terms such as front, rear, upper, lower, etc. are defined with respect to the positions of the components in the drawings and with respect to each other, for clarity and convenience in expressing the technical solution. It should be understood that they are relative concepts and can be varied in many ways depending upon the application and placement, and that the use of such orientation terms should not be taken to limit the scope of protection of the present application.
The embodiments described above and features of the embodiments herein may be combined with each other without conflict.
The foregoing description of the preferred embodiments of the invention is not intended to limit the invention to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the invention are intended to be included within the scope of the invention.
Claims (7)
1. A official hat building construction comprising:
the foundation comprises a plurality of stiff beams cast on a roof and a bottom steel platform connected with the front ends of the stiff beams, wherein the bottom steel platform is arranged in a cantilever manner relative to the front side of the roof;
the main body comprises a plurality of rows of stiff columns and a plurality of rows of reinforced concrete columns which are sequentially arranged along the front-back direction, wherein the lower ends of the stiff columns and the lower ends of the reinforced concrete columns are pre-buried in the roof, the space between the stiff columns is a platform space, and the space between the reinforced concrete columns is an elevator hoistway;
the roof comprises a front steel platform, a middle steel platform and a rear steel platform which are sequentially arranged along the front-back direction, wherein the rear end of the front steel platform is connected with the upper end of the stiff column and is arranged in a cantilever manner relative to the front side of the roof, the front end of the rear steel platform is connected with the upper end of the reinforced concrete column and is arranged in a cantilever manner relative to the rear side of the foundation, and the bottom of the middle steel platform is respectively connected with the upper end of the stiff column and the upper end of the reinforced concrete column;
the front end and the rear end of the steel rib of the stiff beam are respectively connected with the steel ribs of two stiff columns arranged front and back;
the upper ends of the steel bones of the foremost row of stiff columns are welded with the rear ends of the front steel platform;
the upper ends of the rearmost row of reinforced concrete columns are pre-embedded with connecting plates, and the front ends of the rear steel platforms are respectively connected with the connecting plates in a welded mode.
2. A official hat building construction as claimed in claim 1, characterised in that: the roof further comprises an aluminum plate laid on the front steel platform, the middle steel platform and the rear steel platform.
3. A official hat building construction as claimed in claim 1, characterised in that: the overhanging length of the bottom steel platform relative to the roof is greater than 7m, and the overhanging length of the front steel platform relative to the roof is greater than the overhanging length of the bottom steel platform relative to the roof by at least 2m.
4. A construction method of a official cap-shaped building structure is characterized in that: a official hat building construction as claimed in any one of claims 1 to 3 and comprising the steps of:
s1, pre-burying steel bones of each stiff column and each stiff beam on a roof, pouring outsourcing concrete to the steel bones of each stiff column and each stiff beam, and then pouring each reinforced concrete column, wherein each reinforced concrete column surrounds an elevator shaft of the roof;
s2, connecting the bottom steel platform with the front end of each stiff beam, so that the bottom steel platform is arranged in a cantilever manner relative to the roof;
s3, arranging the front steel platform, the middle steel platform and the rear steel platform at the upper ends of the stiffness columns and the reinforced concrete columns, connecting the rear ends of the front steel platform with the upper ends of steel bones of the stiffness columns, enabling the front steel platform to be overhanging relative to the front side of the roof, connecting the front ends of the rear steel platform with the upper ends of the reinforced concrete columns, and enabling the rear steel platform to be overhanging relative to the rear side of the foundation.
5. A method of constructing a hat building construction according to claim 4, wherein: and S4, arranging keels around the main body and installing curtain walls.
6. A method of constructing a hat building construction according to claim 4, wherein: and the step S3 further comprises paving aluminum plates on the front steel platform, the middle steel platform and the rear steel platform.
7. A method of constructing a hat building construction according to claim 4, wherein: and (2) when the steel bones of the stiffness columns and the stiffness beams are pre-buried in the step (S1), welding and connecting the steel bones of the stiffness beams with the steel bones of the stiffness columns.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210580781.0A CN114934589B (en) | 2022-05-26 | 2022-05-26 | Official cap-shaped building structure and construction method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210580781.0A CN114934589B (en) | 2022-05-26 | 2022-05-26 | Official cap-shaped building structure and construction method thereof |
Publications (2)
| Publication Number | Publication Date |
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| CN114934589A CN114934589A (en) | 2022-08-23 |
| CN114934589B true CN114934589B (en) | 2024-04-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210580781.0A Active CN114934589B (en) | 2022-05-26 | 2022-05-26 | Official cap-shaped building structure and construction method thereof |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004263514A (en) * | 2003-03-04 | 2004-09-24 | Daisue Construction Co Ltd | Precast concrete staircase and construction method therefor |
| CN109610630A (en) * | 2018-07-22 | 2019-04-12 | 北京工业大学 | A kind of concrete frame mechanization assembly type balcony |
| CN112012340A (en) * | 2020-09-25 | 2020-12-01 | 中建一局集团第三建筑有限公司 | Suspension connection node for large-span cantilever steel truss and construction method thereof |
| CN212534485U (en) * | 2020-06-16 | 2021-02-12 | 中国建筑西南设计研究院有限公司 | High-altitude large cantilever beam structure |
| CN213390912U (en) * | 2020-09-17 | 2021-06-08 | 同济大学建筑设计研究院(集团)有限公司 | Steel-concrete shock attenuation stair |
| CN113006477A (en) * | 2021-03-06 | 2021-06-22 | 中建三局集团(深圳)有限公司 | High-altitude cantilever stiff structure and construction method thereof |
-
2022
- 2022-05-26 CN CN202210580781.0A patent/CN114934589B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004263514A (en) * | 2003-03-04 | 2004-09-24 | Daisue Construction Co Ltd | Precast concrete staircase and construction method therefor |
| CN109610630A (en) * | 2018-07-22 | 2019-04-12 | 北京工业大学 | A kind of concrete frame mechanization assembly type balcony |
| CN212534485U (en) * | 2020-06-16 | 2021-02-12 | 中国建筑西南设计研究院有限公司 | High-altitude large cantilever beam structure |
| CN213390912U (en) * | 2020-09-17 | 2021-06-08 | 同济大学建筑设计研究院(集团)有限公司 | Steel-concrete shock attenuation stair |
| CN112012340A (en) * | 2020-09-25 | 2020-12-01 | 中建一局集团第三建筑有限公司 | Suspension connection node for large-span cantilever steel truss and construction method thereof |
| CN113006477A (en) * | 2021-03-06 | 2021-06-22 | 中建三局集团(深圳)有限公司 | High-altitude cantilever stiff structure and construction method thereof |
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| CN114934589A (en) | 2022-08-23 |
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