CN108360725B - Z-shaped connection section steel concrete deformed column-invisible beam floor slab assembly system - Google Patents
Z-shaped connection section steel concrete deformed column-invisible beam floor slab assembly system Download PDFInfo
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- CN108360725B CN108360725B CN201810146034.XA CN201810146034A CN108360725B CN 108360725 B CN108360725 B CN 108360725B CN 201810146034 A CN201810146034 A CN 201810146034A CN 108360725 B CN108360725 B CN 108360725B
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 95
- 239000010959 steel Substances 0.000 title claims abstract description 95
- 239000004567 concrete Substances 0.000 title claims abstract description 72
- 238000010276 construction Methods 0.000 claims abstract description 24
- 239000011178 precast concrete Substances 0.000 claims abstract description 12
- 239000011150 reinforced concrete Substances 0.000 claims description 26
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims description 10
- 238000003466 welding Methods 0.000 claims description 5
- 239000008187 granular material Substances 0.000 claims description 3
- 229920006389 polyphenyl polymer Polymers 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 abstract description 3
- 230000009466 transformation Effects 0.000 abstract description 3
- 238000005536 corrosion prevention Methods 0.000 abstract 1
- 230000002349 favourable effect Effects 0.000 abstract 1
- 230000002265 prevention Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000009826 distribution Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000009970 fire resistant effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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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
- E04B5/00—Floors; Floor construction with regard to insulation; Connections specially adapted therefor
- E04B5/48—Special adaptations of floors for incorporating ducts, e.g. for heating or ventilating
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Abstract
The invention provides a Z-shaped connection section steel concrete special-shaped column-invisible beam floor slab assembly system, which belongs to the technical field of structural engineering and comprises a section steel concrete special-shaped column, an invisible beam floor slab module and Z-shaped nodes. And (3) taking the beam prefabricated in a factory as a frame of the beam-slab integral module, and pouring precast concrete at the bottom of the beam. And connecting the invisible beam floor slab module and the section steel concrete special-shaped column by using the Z-shaped nodes on the construction site. And then, freely laying pipelines on the precast concrete layer, enabling the pipelines between different slabs to pass through the beam web holes, and finishing post-pouring lightweight concrete laying. The hidden beam floor slab is integrated through the beam slab, and the upper flange and the lower flange of the beam are both embedded in the concrete of the floor slab, so that the local stability of the member is improved, and the problems of fire prevention and corrosion prevention of the steel structure beam are relieved; the mode that the hole was seted up to the web and the floor is pour in layering is favorable to the individualized arrangement of pipeline, makes things convenient for the maintenance and the transformation in later stage.
Description
Technical Field
The invention designs a Z-shaped connection section steel concrete special-shaped column-invisible beam floor slab assembly system, and belongs to the technical field of structural engineering.
Background
Although the construction speed is improved to a certain extent and the construction difficulty is reduced in the conventional steel structure building, a plurality of problems still exist. In the construction process, some floor slabs are made of profiled steel plates, so that a large number of templates are omitted, but the profiled steel plates increase the manufacturing cost, the decoration treatment below the floor slabs is inconvenient, and in addition, temporary supports need to be arranged; some floor slabs adopting reinforced concrete are laminated, temporary supports also need to be arranged generally, and the prefabricated layer is thick, so that the total height of the floor slab is increased. Traditional beam slab structure, board are arranged in on the roof beam, increase beam slab gross height, reduce the structure and use the height. The steel beam is exposed to be subjected to corrosion-resistant and fire-resistant treatment, so that the manufacturing cost is increased, and the steel beam is not beneficial to flexible arrangement of a space due to exposure. Traditional floor electric pipe buries in the structural layer, pours the building layer on the structural layer, and pipeline such as water, warm buries in the building layer, makes floor gross thickness great.
Disclosure of Invention
The invention provides a Z-shaped connection section steel concrete special-shaped column-invisible beam floor slab assembly system with high industrialization and rapid construction, and aims to solve the problems in the background technology to a certain extent. The hidden beam floor is integrated through the beam and the plate, the overall thickness of the beam and the plate is reduced on the premise of not reducing the bearing capacity, the building clearance is improved, and the beam is hidden in the floor, so that the building space layout is more flexible; the upper flange and the lower flange of the beam are all embedded in the concrete of the floor slab, the concrete reserved around the beam on one hand can improve the local stability of the member, the local instability is avoided, and on the other hand, the fireproof and anticorrosion problems of the steel structure beam are relieved to a certain extent. The mode that the web plate is provided with the holes and the floor slabs are poured in layers is beneficial to the personalized arrangement and installation of pipelines and convenient for later maintenance and transformation.
The technical scheme of the invention is as follows:
a Z-shaped connection section steel concrete special-shaped column-invisible beam floor slab assembly system comprises a section steel concrete special-shaped column, an invisible beam floor slab module and a Z-shaped connection node.
The invisible beam floor slab module comprises a reinforced concrete floor slab, a main beam I (7), a main beam II (8), a main beam III (9), a main beam IV (10), a middle secondary beam I (11) and a triangular connecting plate (12); the Z-shaped connecting node is used for bolting and assembling the invisible beam floor slab and the section steel concrete special-shaped column through connecting steel beams, cover plates and clamping plates on a construction site; the hidden beam floor slab module is an integral module formed by a beam with a hole opened in a web plate and a reinforced concrete floor slab, firstly, the beam prefabricated in a factory is used as a frame of the beam slab module, reinforcing steel bars are arranged at the lower parts of the steel beams, and precast concrete with the height of 40mm-100mm is poured at the reinforcing steel bars to form the reinforced concrete floor slab; then, the invisible beam floor slab module and the section steel concrete special-shaped column are transported to a construction site, the site assembly is carried out by adopting a hoisting mode, and the invisible beam floor slab module and the section steel concrete special-shaped column are connected by using Z-shaped nodes; arranging pipelines on the reinforced concrete floor, wherein the pipelines pass through the beam web plate holes; after the pipeline arrangement is finished, pouring lightweight concrete on the concrete floor slab to the top surface of the beam;
the density of the lightweight concrete is not more than 1200 kg/cubic meter, the precast concrete adopts concrete with the strength of C30 or more, and the density is more than 2400 kg/cubic meter. The lightweight concrete layer is made of aerated concrete, polyphenyl granule concrete or ceramsite concrete, so that the pipeline is convenient to disassemble, assemble and maintain in the future.
The invention provides a Z-shaped connecting steel reinforced concrete special-shaped column-invisible beam floor slab assembly system which is characterized in that an L-shaped column (I), a T-shaped column (II) and a cross-shaped column (III) are arranged on an assembly type special-shaped column. The columns are prefabricated in a factory and are directly assembled after being transported to the site.
The L-shaped column (I) is composed of a stirrup (1), a first steel plate (2), a second steel plate (3), a rivet (4), concrete (5) and a construction rib (6); the first steel plate (2) and the second steel plate (3) form an L-shaped steel skeleton through welding; the rivet (4) is fixed on the second steel plate (3) to tie the concrete (5); arranging the construction ribs (6), binding the stirrups (1) to the construction ribs (6), wherein the stirrups (1) do not penetrate through the second steel plate (3); and finally, pouring concrete (5) to form the L-shaped column (I).
The T-shaped column (II) is composed of a stirrup (1), a first steel plate (2), a second steel plate (3), a rivet (4), concrete (5) and a construction rib (6); the first steel plate (2) and the second steel plate (3) form a T-shaped steel skeleton through welding; the rivet (4) is fixed on the second steel plate (3) to tie the concrete (5); arranging the construction ribs (6), binding the stirrups (1) to the construction ribs (6), wherein the stirrups (1) do not penetrate through the second steel plate (3); and finally, pouring concrete (5) to form a T-shaped column (II).
The cross-shaped column (III) is composed of a stirrup (1), a first steel plate (2), a second steel plate (3), a rivet (4), concrete (5) and a construction rib (6); the first steel plate (2) and the second steel plate (3) form a cross-shaped steel skeleton through welding; the rivet (4) is fixed on the second steel plate (3) to tie the concrete (5); arranging the construction ribs (6), binding the stirrups (1) to the construction ribs (6), wherein the stirrups (1) do not penetrate through the second steel plate (3); and finally, pouring concrete (5) to form a cross-shaped column (III).
The assembly type invisible beam floor slab module is an integral module formed by a beam with a web plate provided with a hole and a reinforced concrete floor slab. The method comprises the following steps of taking a beam prefabricated in a factory as a frame of a beam-slab module, arranging steel bars at the lower part of the steel beam, and pouring precast concrete with the height of 40-100 mm at the positions of the steel bars to form the reinforced concrete floor slab. The specific connection assembly is as follows: the assembled invisible beam floor slab module is formed by splicing four plates of an A plate, a B plate, a C plate and a D plate; the plate A and the plate B, the plate C and the plate D are respectively connected along the long edge direction, and the plate A and the plate C, the plate B and the plate D are respectively connected along the short edge direction. Since AC blocks have the same structure and BD blocks have the same structure, description will be given by taking a block and B block as examples.
The A plate comprises concrete (5), a main beam I (7), a main beam II (8), a main beam III (9), a main beam IV (10), a middle secondary beam I (11), a triangular connecting plate (12) and reinforcing steel bars (13). The main beam I (7) and the main beam II (8) are parallel and are long edges; the main beam III (9) and the main beam IV (10) are parallel and are short edges; the concrete (5) and the steel bars (13) form a reinforced concrete floor. The main beam I (7), the main beam III (9) and the middle secondary beam I (11) are made of H-shaped steel, the main beam II (8) and the main beam IV (10) are made of channel steel, the main beams are positioned around a reinforced concrete floor, the four triangular connecting plates (12) are welded in pairs to form a frame of the reinforced concrete floor, and the middle secondary beam I (11) is arranged in the midspan position of the reinforced concrete floor and is parallel to the short edge; holes are formed in the web plate of the main beam I (7), the main beam II (8), the main beam III (9), the main beam IV (10) and the middle secondary beam I (11), so that pipelines can be laid and distributed conveniently. The reinforcing steel bars (13) are divided into horizontal distribution reinforcing steel bars (14) and longitudinal reinforcing steel bars (15).
The basic structure of the plate B is similar to that of the plate A, and the difference is that H-shaped steel is adopted by the main beam II (8), the main beam IV (10) and the middle secondary beam I (11), and channel steel is adopted by the main beam I (7) and the main beam III (9).
The Z-shaped connecting node of the section steel concrete special-shaped column and the beam is characterized in that the cover plate (16) is provided with bolt holes and welded to the upper flange of the main beam, and the two sides of the lower flange of the end part of the main beam and the web plate are respectively provided with a single row of bolt holes. The connecting steel beam (17), the upper flange and the web part are provided with bolt holes, the lower flange is welded with a cover plate (16) provided with double rows of bolt holes, and the connecting steel beam (17) is welded on the outer surface of the section steel concrete special-shaped column. The clamping plates (18) are placed between the connecting steel beams (17) and the main beam web plates, the connecting steel beams and the main beam web plates are spliced and connected through bolts, the length of each clamping plate is the same as or slightly smaller than the height of each main beam web plate, and bolt holes are formed in the clamping plates.
The Z-shaped connection section steel concrete special-shaped column-invisible beam floor slab assembly system is within the protection scope of the invention.
Advantageous effects
The invention provides a Z-shaped connecting steel reinforced concrete special-shaped column-invisible beam floor slab assembly system, which belongs to the technical field of structural engineering and overcomes the defect of complex construction process of the traditional building precast floor slab. The hidden beam floor is integrated through the beam and the plate, the overall thickness of the beam and the plate is reduced on the premise of not reducing the bearing capacity, the building clearance is improved, and the beam is hidden in the floor, so that the building space layout is more flexible; the upper flange and the lower flange of the beam are all embedded in the concrete of the floor slab, the concrete reserved around the beam on one hand can improve the local stability of the member, the local instability is avoided, and on the other hand, the fireproof and anticorrosion problems of the steel structure beam are relieved to a certain extent. The mode that the web plate is provided with the holes and the floor slabs are poured in layers is beneficial to the personalized arrangement and installation of pipelines and convenient for later maintenance and transformation. The assembling speed and the quality of the Z-shaped connecting section steel concrete special-shaped column-invisible beam floor assembling system are improved, and the assembling system is suitable for the development of an assembling type steel structure.
Drawings
FIG. 1 is a drawing of an assembled steel structural building system of the present invention
FIG. 2 is a top view of an assembled steel structure building of the present invention
FIG. 3 is a block diagram of a fabricated column system of the present invention
FIG. 4 is a schematic view of an assembled steel reinforced concrete profiled pole of the present invention
FIG. 5 is a sectional view of the L-shaped steel reinforced concrete column of the present invention
FIG. 6 is a cross-sectional view of a steel reinforced concrete T-shaped column of the present invention
FIG. 7 is a cross-sectional view of a steel reinforced concrete cross-shaped column according to the present invention
FIG. 8 is a schematic view of an assembled A-plate steel skeleton of the present invention
FIG. 9 is a partial schematic view of the fabricated A-plate precast concrete of the present invention
FIG. 10 is a complete schematic view of the fabricated A-plate post-cast lightweight concrete of the present invention
FIG. 11 is a schematic view of an assembled B-plate steel skeleton of the present invention
FIG. 12 is a partial schematic view of the assembled B-plate precast concrete of the present invention
FIG. 13 is a rear section view of the invisible beam floor slab pouring structural layer concrete
FIG. 14 is a sectional view of the floor slab with the hidden beams of the invention poured in layers
FIG. 15 is a schematic view of an assembled invisible beam floor and L-shaped column Z-shaped connecting joint of the present invention
The steel plate is characterized in that the steel plate comprises the following components, 1-stirrup, 2-first steel plate, 3-second steel plate, 4-rivet, 5-concrete, 6-constructional rib, 7-main beam I, 8-main beam II, 9-main beam III, 10-main beam IV, 11-middle secondary beam I, 12-triangular connecting plate, 13-reinforcing steel bar, 14-horizontal distribution rib, 15-longitudinal reinforcing steel bar, 16-cover plate, 17-short H-shaped steel beam and 18-clamping plate.
Detailed Description
The present invention will now be described in detail with reference to the drawings, wherein the embodiments described below are exemplary and are intended to be illustrative of the invention, but are not to be construed as limiting the invention.
The invention provides a Z-shaped connecting section steel concrete special-shaped column-invisible beam floor slab assembly system, which has the following specific assembly mode: firstly, a girder I (7), a girder II (8), a girder III (9) and a girder IV (10) which are prefabricated in a factory and provided with holes in webs are welded and spliced into a frame of the hidden beam floor module in pairs through four triangular connecting plates (12), and a middle secondary beam I (11) is arranged at the midspan position of the hidden beam floor module and is parallel to a short side. And then horizontally distributing ribs (16) and longitudinal steel bars (17) are arranged at the lower parts of the steel beams, and precast concrete with the height of 40mm-100mm is poured at the positions of the steel bars (5) to form the reinforced concrete floor. And then transporting the invisible beam floor slab module and the section steel concrete special-shaped column to a construction site.
And in a construction site, hoisting is adopted for on-site assembly, and the invisible beam floor slab module and the section steel concrete special-shaped column are connected by using the Z-shaped nodes. After the hidden beam floor slab is assembled on a construction site, pipelines (water, warm, electric pipes and the like) are laid on the precast concrete layer and penetrate out of the holes of the beam web plate, so that the pipelines among the slabs are conveniently arranged. And after the pipeline is arranged, pouring light concrete on the concrete floor slab to the top surface of the beam. The post-cast lightweight concrete layer of the hidden beam floor slab adopts aerated concrete, polyphenyl granule concrete or ceramsite concrete, so that the pipeline is convenient to disassemble, assemble and maintain in the future. The above method is the assembly mode of the invisible beam floor slab, all the components of the floor slab are processed and manufactured in a factory, and then all the components are assembled into the Z-shaped connection section steel concrete special-shaped column-invisible beam floor slab assembly system through bolting and welding.
The Z-shaped connection section steel concrete special-shaped column-invisible beam floor slab assembly system provided by the invention only needs to be welded and bolted on site, so that the construction quality is effectively ensured, and the Z-shaped connection section steel concrete special-shaped column-invisible beam floor slab assembly system is efficiently recycled when a member is dismantled, so that the construction waste is reduced. Large-scale modularization is realized, the production and use efficiency of the building is improved to a certain degree, and the concept of sustainable development is met.
Claims (4)
1. The utility model provides a Z shape is connected shaped steel concrete deformed bar-stealthy roof beam floor assembly system which characterized in that: the system structure comprises a section steel concrete special-shaped column, an invisible beam floor slab module and a Z-shaped connecting node; the invisible beam floor slab module comprises a reinforced concrete floor slab, a main beam I, a main beam II, a main beam III, a main beam IV, a middle secondary beam I and a triangular connecting plate; the Z-shaped connecting node is used for bolting and assembling the invisible beam floor slab and the section steel concrete special-shaped column through connecting steel beams, cover plates and clamping plates on a construction site; the hidden beam floor slab module is an integral module formed by a beam with a hole opened in a web plate and a reinforced concrete floor slab, firstly, the beam prefabricated in a factory is used as a frame of the beam slab module, reinforcing steel bars are arranged at the lower parts of the steel beams, and precast concrete with the height of 40mm-100mm is poured at the reinforcing steel bars to form the reinforced concrete floor slab; then, the invisible beam floor slab module and the section steel concrete special-shaped column are transported to a construction site, the site assembly is carried out by adopting a hoisting mode, and the invisible beam floor slab module and the section steel concrete special-shaped column are connected by using Z-shaped nodes; arranging pipelines on the reinforced concrete floor, wherein the pipelines pass through the beam web plate holes; after the pipeline arrangement is finished, pouring lightweight concrete on the concrete floor slab to the top surface of the beam;
the density of the lightweight concrete is not more than 1200 kg/cubic meter, the precast concrete adopts concrete with the strength of C30 or more, and the density is more than 2400 kg/cubic meter.
2. The Z-shaped connection section steel concrete special-shaped column-invisible beam floor assembling system as claimed in claim 1, wherein: the special-shaped column comprises an L-shaped column (I), a T-shaped column (II) and a cross-shaped column (III); the columns are prefabricated in factories and are directly assembled and installed after being transported to the site.
3. The Z-shaped connection section steel concrete special-shaped column-invisible beam floor assembling system as claimed in claim 1, wherein: the invisible beam floor slab module is an integral module formed by beams and floor slabs, the main beams I, II, III and IV are positioned around the reinforced concrete floor slab and are welded and spliced into a frame of the reinforced concrete floor slab by four triangular connecting plates in pairs, and the middle secondary beam I is arranged at the midspan position of the reinforced concrete floor slab and is parallel to the short side; holes are formed in webs of the first main beam, the second main beam, the third main beam, the fourth main beam and the first middle secondary beam, frames of beam-slab modules are formed by welding and assembling in a factory, and precast concrete is poured at the bottoms of the steel beams to form the reinforced concrete floor.
4. The Z-shaped connection type steel concrete special-shaped column-invisible beam floor slab assembly system as claimed in claim 1, wherein the post-cast lightweight concrete layer is made of aerated concrete, polyphenyl granule concrete or ceramsite concrete.
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| CN109854007A (en) * | 2019-03-29 | 2019-06-07 | 福州大学 | The gas station UHPC ceiling construction and its construction method |
| CN110409617A (en) * | 2019-08-24 | 2019-11-05 | 北京国电恒嘉科技产业集团有限公司 | Zigzag double fastener plate node assembled H profile steel beam quadrate steel pipe column steel structure system |
| CN112049500B (en) * | 2020-08-07 | 2021-08-17 | 北京工业大学 | Multistage damping flat beam-floor system based on solid spiral spring pin connection |
| CN112031174B (en) * | 2020-10-16 | 2024-07-12 | 郑州大学 | Assembled box house floor structure and construction method thereof |
| CN113635421B (en) * | 2021-07-28 | 2023-04-25 | 浙江中南绿建科技集团有限公司 | Pouring molding method of anti-corrosion fireproof integrated prefabricated steel special-shaped combined member |
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| JP2878909B2 (en) * | 1992-07-30 | 1999-04-05 | 株式会社熊谷組 | PC floor slab |
| CN104278749A (en) * | 2014-10-23 | 2015-01-14 | 湖北弘毅建设有限公司 | Integral connecting system for steel-concrete composite structure component of prefabricated construction |
| US20170058517A1 (en) * | 2015-08-29 | 2017-03-02 | Clark Pacific Precast, Llc | Integrated access floor system |
| CN105822001B (en) * | 2016-03-29 | 2018-02-02 | 北京工业大学 | A kind of assembled light gauge cold-formed steel shape floor modules connecting structure |
| CN106088434A (en) * | 2016-08-25 | 2016-11-09 | 中冶建筑研究总院有限公司 | A kind of assembling type steel structure overlapped hollow floor system and construction method thereof |
| CN206667470U (en) * | 2017-02-17 | 2017-11-24 | 北京工业大学 | A kind of end plate assembled channel-section steel for recovering function punches beam column node connection device |
| CN107060074B (en) * | 2017-04-09 | 2019-01-04 | 北京工业大学 | A kind of assembled Special-Shaped Column-concrete system |
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Effective date of registration: 20240702 Address after: 230000 B-1015, wo Yuan Garden, 81 Ganquan Road, Shushan District, Hefei, Anhui. Patentee after: HEFEI MINGLONG ELECTRONIC TECHNOLOGY Co.,Ltd. Country or region after: China Address before: 100124 No. 100 Chaoyang District Ping Tian Park, Beijing Patentee before: Beijing University of Technology Country or region before: China |