CN110847502B - Foundation plate steel column mounting and supporting structure and construction method - Google Patents
Foundation plate steel column mounting and supporting structure and construction method Download PDFInfo
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- CN110847502B CN110847502B CN201911324867.1A CN201911324867A CN110847502B CN 110847502 B CN110847502 B CN 110847502B CN 201911324867 A CN201911324867 A CN 201911324867A CN 110847502 B CN110847502 B CN 110847502B
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 120
- 239000010959 steel Substances 0.000 title claims abstract description 120
- 238000010276 construction Methods 0.000 title claims abstract description 19
- 238000010008 shearing Methods 0.000 claims abstract description 8
- 239000010410 layer Substances 0.000 claims description 51
- 238000003466 welding Methods 0.000 claims description 22
- 239000004567 concrete Substances 0.000 claims description 8
- 239000011150 reinforced concrete Substances 0.000 claims description 6
- 239000011241 protective layer Substances 0.000 claims description 4
- 238000005034 decoration Methods 0.000 claims 3
- 238000009434 installation Methods 0.000 abstract description 9
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C3/00—Structural elongated elements designed for load-supporting
- E04C3/30—Columns; Pillars; Struts
- E04C3/32—Columns; Pillars; Struts of metal
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D31/00—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution
- E02D31/02—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution against ground humidity or ground water
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
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- Mining & Mineral Resources (AREA)
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- General Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Hydrology & Water Resources (AREA)
- Foundations (AREA)
- Joining Of Building Structures In Genera (AREA)
Abstract
The utility model provides a foundation slab steel column installation support structure and construction method, includes bed course, waterproof layer, pre-buried subassembly, support frame, backup pad, pre-buried steel column and pre-buried shearing-resistant piece, and pre-buried subassembly includes horizontally pre-buried connecting plate, and the support frame includes a set of support column, and the bottom of support column is connected with the upside surface of pre-buried connecting plate, and pre-buried subassembly still includes pre-buried landing leg, and pre-buried landing leg and pre-buried connecting plate three of every row are pi shape. The supporting device for installing the foundation slab steel column can effectively solve the problem that the embedded steel column in the foundation slab cannot be fixedly installed, the position of the angle steel supporting frame is adjusted by adjusting the positioning of the embedded connecting plate, and the embedded elevation of the embedded steel column is met by adjusting the specification and the size of the angle steel supporting frame and replacing different supporting plates, so that the accuracy of the embedded steel column is effectively improved, the supporting requirement for installing the embedded steel column can be met, and the safety and the stability of installing the embedded steel column are ensured.
Description
Technical Field
The invention belongs to the technical field of building construction, and particularly relates to a supporting structure for mounting a steel column of a foundation slab and a construction method thereof.
Background
With the rapid development of high-rise buildings in China, the application of the steel reinforced concrete structure is wider and wider. The stiff steel reinforced concrete has the advantages of high strength, small cross section size of the member, strong bond strength with the concrete, saving the concrete, increasing the use space and reducing the construction cost.
The H-shaped steel is placed in the column or the shear wall to enhance the bearing capacity and reduce the component axial-compression ratio while saving the area and compressing the cross section of the vertical stress component in the buildings such as high-rise houses, apartments and the like. When the H-shaped steel column is installed, the requirements on the size positioning and the safety are high, the foundation bolts are pre-embedded when the foundation bottom plate is poured for the general length of a common high-rise building, and the H-shaped steel column is fixed on the foundation bolts after the strength requirement is met. But when the height of a part of the building is too high, the H-shaped steel column is embedded in the foundation base plate in advance through the length, the H-shaped steel shearing-resistant member is embedded in the foundation base plate, and the installation of the embedded steel column is completed before the foundation base plate is poured, so that the safety and the accuracy of the installation of the steel column are ensured.
Disclosure of Invention
The invention aims to provide a foundation slab steel column installation support structure and a construction method, which aim to solve the technical problems that when an H-shaped steel column is pre-buried in a foundation slab, the fixation of an embedded steel column is inconvenient, the installation safety of the embedded steel column cannot be ensured and the installation accuracy of the embedded steel column is not high.
In order to achieve the above purpose, the invention adopts the following technical scheme:
a steel column mounting and supporting structure of a foundation slab comprises a cushion layer, a waterproof layer, a protection layer, an embedded assembly, a supporting frame, a supporting plate, an embedded steel column and an embedded shearing resistant member,
the cushion layer is positioned at the bottommost layer, the waterproof layer is fully paved on the upper side surface of the cushion layer, the waterproof protection layer is fully paved on the upper side surface of the waterproof layer,
the embedded component comprises a horizontal embedded connecting plate, the upper side surface of the embedded connecting plate is flush with the upper side surface of the waterproof protective layer,
the support frame comprises a group of support columns, the number of the embedded connecting plates is the same as that of the support columns, the bottom ends of the support columns are in one-to-one correspondence and fixedly connected with the upper side surfaces of the embedded connecting plates,
the support plate level sets up, the top of each support column of body coupling, the bottom fixed connection of pre-buried steel column is in the upside surface of backup pad, pre-buried shear-resistant piece level fixed connection is in the top of the bottom of pre-buried steel column, backup pad.
The embedded assembly further comprises embedded supporting legs, two rows of embedded supporting legs are fixedly connected to the lower side of each embedded connecting plate, each row of embedded supporting legs comprises two embedded supporting legs, each embedded supporting leg comprises a vertical section and a horizontal section, the top end of the vertical section is in plug welding connection with the embedded connecting plates, one end of the horizontal section is perpendicular to the bottom end of the vertical section and fixedly connected with the bottom end of the vertical section, the horizontal section is arranged towards the outer side relative to the vertical section, and each row of embedded supporting legs and the embedded connecting plates are pi-shaped.
The middle parts of the cushion layer and the waterproof layer are concave to form an inverted trapezoid side section, and the embedded support legs are embedded into the concave positions.
The support frame also comprises a bottom horizontal frame, a top horizontal frame and a side diagonal brace,
the bottom horizontal frame is the rectangle, encloses and closes fixed connection around the outside of support column bottom, pre-buried connecting plate top, the top horizontal frame is the rectangle, encloses and closes the downside surface of fixed connection around the top outside of support column, backup pad, the lateral part bracing is located to connect between bottom horizontal frame and top horizontal frame, fixed connection is in the side of support column.
The support frame forms lattice column structure, and four altogether are the angle steel of support column, and bottom horizontal frame comprises four angle steel, and top horizontal frame also comprises four angle steel, and the angle steel of bottom horizontal frame and top horizontal frame is just right from top to bottom, the lateral part bracing sets up respectively at the four sides of support frame, and every side all includes one and affix the top fixed connection that the support column was propped in this side, affix the bottom fixed connection that the support column was propped in this side another support column's bottom, affix the support for the angle steel.
The size of the support plate is larger than that of the top horizontal frame.
The embedded steel column is H-shaped steel, the embedded steel column and the supporting frame are arranged in a centering and aligning mode, the embedded steel column comprises a flange plate and a web plate, and the axis of the web plate coincides with the diagonal connecting line of two opposite supporting columns.
The fixed connection between the support frame components is full-welded connection, full-welded connection is arranged between the support plate and the support column, full-welded connection is arranged between the embedded shear-resistant piece and the embedded steel column, and fillet weld connection is arranged between the support column and the embedded connecting plate.
The height-width ratio of the support frame is smaller than 4:1.
The construction method of the foundation slab steel column installation support structure comprises the following construction steps:
step one, determining the height and the width of a support frame according to the specification and the size of an embedded steel column and the embedded elevation, and welding a support column, a bottom horizontal frame, a top horizontal frame, a side inclined strut and a support plate into a whole;
measuring and paying off in advance to determine the positioning position of the embedded connecting plate, and then positioning the position of the supporting column, so as to determine the concave range of the cushion layer and the waterproof layer, and then constructing the cushion layer and the waterproof layer;
step three, before the construction of the waterproof protection layer, the embedded connecting plate and the embedded supporting legs are welded and assembled, the embedded connecting plate is positioned and fixed at the concave part, and the waterproof protection layer is poured to be level with the upper side surface of the embedded connecting plate;
step four, transporting the support frame in the step one into a field, correspondingly embedding a connecting plate on a support column, welding the support column to the surface of the support column, and controlling the horizontal elevation and the verticality of the support column;
welding an embedded shear-resistant member at the bottom of the embedded steel column, wherein the embedded shear-resistant member is a section of H-shaped steel member; the embedded steel column parts corresponding to the embedded shearing resistant parts are welded with horizontal inner stiffening plates;
step six, the bottom ends of the embedded steel columns are welded on the upper side of the supporting plate in a centered manner; welding a horizontal inner stiffening plate on the position of the upper side surface to be poured of the bottom plate concrete;
binding foundation slab steel bars and pouring foundation slab concrete to form foundation slab reinforced concrete.
Compared with the prior art, the invention has the following characteristics and beneficial effects:
the supporting device for installing the foundation slab steel column can effectively solve the problem that the embedded steel column in the foundation slab cannot be fixedly installed, the position of the angle steel supporting frame is adjusted by adjusting the positioning of the embedded connecting plate, and the embedded elevation of the embedded steel column is met by adjusting the specification and the size of the angle steel supporting frame and replacing different supporting plates, so that the accuracy of the embedded steel column is effectively improved, the supporting requirement for installing the embedded steel column can be met, and the safety and the stability of installing the embedded steel column are ensured.
The supporting device for installing the steel column of the foundation slab is simple and convenient to construct, the angle steel supporting frame is formed by once processing in a factory, embedded parts can be fixedly installed after entering a field, normal construction of the foundation slab is not affected, and construction period and cost are saved. The support structure can effectively solve the construction problem of the embedded steel column provided with the H-shaped steel shearing resistant member, effectively improve the installation accuracy of the steel column and ensure the safety and stability of the construction of the embedded steel column.
Drawings
The invention is described in further detail below with reference to the accompanying drawings.
Fig. 1 is a schematic structural view of the present invention.
FIG. 2 is a schematic view of the structure of section A-A in FIG. 1.
Fig. 3 is a schematic view of the structure of section B-B in fig. 1.
Reference numerals: 1-cushion layer, 2-waterproof layer, 3-waterproof protective layer, 4-pre-buried connecting plate, 5-pre-buried landing leg, 6-bottom horizontal frame, 7-support column, 8-lateral diagonal bracing, 9-top horizontal frame, 10-support plate, 11-pre-buried shear resistant piece, 12-pre-buried steel column, 13-foundation slab reinforced concrete, 14-horizontal inner stiffening plate.
Detailed Description
1-3, the foundation slab steel column mounting support structure comprises a cushion layer 1, a waterproof layer 2, a waterproof layer 3, an embedded assembly, a supporting frame, a supporting plate 10, an embedded steel column 12 and an embedded shear member 11.
The waterproof layer 2 is fully paved on the upper side surface of the cushion layer 1, and the waterproof layer 3 is fully paved on the upper side surface of the waterproof layer 2.
The embedded assembly comprises a horizontal embedded connecting plate 4, and the upper side surface of the embedded connecting plate 4 is flush with the upper side surface of the waterproof protective layer 3.
The support frame comprises a group of support columns 7, the number of the embedded connecting plates 4 is the same as that of the support columns 7, the bottom ends of the support columns 7 are in one-to-one correspondence with the upper side surfaces of the embedded connecting plates 4 and are fixedly connected,
the supporting plate 10 is horizontally arranged and integrally connected with the top ends of the supporting columns 7, the bottom ends of the embedded steel columns 12 are fixedly connected with the upper side surface of the supporting plate 10, and the embedded shearing resistant members 11 are horizontally and fixedly connected with the bottoms of the embedded steel columns 12 and the upper side of the supporting plate 10.
The embedded assembly further comprises embedded supporting legs 5, two rows of embedded supporting legs 5 are fixedly connected to the lower side of each embedded connecting plate 4, each row of embedded supporting legs 5 comprises two embedded supporting legs, each embedded supporting leg 5 comprises a vertical section and a horizontal section, the top end of the vertical section is in plug welding connection with the embedded connecting plates 4, one end of the horizontal section is perpendicular to the bottom end of the vertical section and fixedly connected with the bottom end of the vertical section, the horizontal section is arranged towards the outer side relative to the vertical section, and each row of embedded supporting legs 5 and the embedded connecting plates 4 are pi-shaped.
The middle parts of the cushion layer 1 and the waterproof layer 2 are concave to form an inverted trapezoid side section, and the embedded supporting legs 5 are embedded into the concave positions.
The support frame still includes bottom horizontal frame 6, top horizontal frame 9 and lateral part bracing 8, bottom horizontal frame 6 is the rectangle, encloses around the outside of fixed connection in support column 7 bottom, pre-buried connecting plate 4 top, top horizontal frame 9 is the rectangle, encloses around the downside surface of fixed connection around the top outside of support column 7, backup pad 10, lateral part bracing 8 is located to connect between bottom horizontal frame 6 and top horizontal frame 9, fixed connection in the side of support column 7.
The support frame forms lattice column structure, and support column 7 is four altogether and is the angle steel, and bottom horizontal frame 6 comprises four angle steel, and top horizontal frame 9 also comprises four angle steel, and angle steel of bottom horizontal frame 6 and top horizontal frame 9 is just right from top to bottom, lateral part bracing 8 sets up respectively in the four sides of support frame, and every side all includes one and affix the top fixed connection that supports one of them support column 7 in this side, affix the bottom fixed connection that supports in the bottom of another support column 7 in this side, affix and prop for the angle steel.
The support plate 10 has a size larger than the size of the top horizontal rim 9.
The embedded steel column 12 is H-shaped steel, the embedded steel column 12 and the supporting frame are arranged in a centering and aligning mode, the embedded steel column 12 comprises a flange plate and a web plate, and the axis of the web plate coincides with the diagonal connecting line of the two opposite supporting columns 7.
The support frame is characterized in that the support frame members are fixedly connected through full welding, the support plates 10 are connected with the support columns 7 through full welding, the embedded shear members 11 are connected with the embedded steel columns 12 through full welding, and the support columns 7 are connected with the embedded connecting plates 4 through fillet welding.
The height-width ratio of the support frame is smaller than 4:1.
In this embodiment, the support column 7 is an angle steel with a length of L50×5mm and a length of 1153mm. The bottom horizontal frame 6 and the top horizontal frame 9 are L50X 5mm angle steel, and the length is 318mm. The side diagonal bracing 8 is L50X 5mm angle steel and has the length of 939mm. In other embodiments, the angle steel can be selected according to the actual specifications and dimensions of the site.
The height-width ratio of the support frame is 3.6:1. In other embodiments, the aspect ratio of the support frame may be any number less than 4:1.
In this embodiment, the pre-buried connection board 4 is a PL150×150×10mm steel plate, the pre-buried support leg 5 is a J-shaped D12 round steel, the total length is 202mm, and the height is 152mm. The support plate 10 is a steel plate with dimensions of 560×560×10mm. The embedded shearing resistant member is H-shaped steel, and the model is H200 multiplied by 20mm. The embedded steel column 12 is H-shaped steel, and the model is BH500 multiplied by 250 multiplied by 20 multiplied by 26mm.
The construction method of the foundation slab steel column installation support structure comprises the following construction steps:
step one, according to the specification and the size of the embedded steel column 12 and the embedded elevation, the height and the width of the support frame are determined, and the support column 7, the bottom horizontal frame 6, the top horizontal frame 9, the side inclined strut 8 and the support plate 10 are welded into a whole.
And secondly, measuring and paying off in advance to determine the positioning position of the embedded connecting plate 4, and then positioning the position of the supporting column 7, thereby determining the concave range of the cushion layer 1 and the waterproof layer 2, and then constructing the cushion layer 1 and the waterproof layer 2.
And thirdly, before the construction of the waterproof protection layer 3, the embedded connecting plate 4 and the embedded supporting legs 5 are welded and assembled, the embedded connecting plate is positioned and fixed at the concave part, and the casting waterproof protection layer 3 is flush with the upper side surface of the embedded connecting plate 4.
And step four, transporting the support frame obtained in the step one into the ground, correspondingly embedding the support columns 7 into the connecting plates 4, welding the support columns to the surfaces of the support columns, and controlling the horizontal elevation and the verticality of the support columns 7.
Fifthly, welding an embedded shear-resistant member 11 at the bottom of an embedded steel column 12, wherein the embedded shear-resistant member 11 is a section of H-shaped steel member; and the horizontal inner stiffening plate 14 is welded on the part of the embedded steel column 12 corresponding to the embedded shear element 11.
Step six, the bottom ends of the embedded steel columns 12 are welded on the upper side of the supporting plate 10 in a centered manner; and welding a horizontal inner stiffening plate 14 on the position of the upper side surface to be poured of the bottom plate concrete.
Binding foundation slab steel bars and pouring foundation slab concrete to form foundation slab reinforced concrete 13.
Claims (5)
1. The utility model provides a foundation bedplate steel column erection bracing structure which characterized in that: comprises a cushion layer (1), a waterproof layer (2), a waterproof layer (3), an embedded component, a support frame, a support plate (10), an embedded steel column (12) and an embedded shear-resistant piece (11),
the cushion layer (1) is positioned at the bottommost layer, the waterproof layer (2) is fully paved on the upper side surface of the cushion layer (1), the waterproof layer (3) is fully paved on the upper side surface of the waterproof layer (2),
the embedded assembly comprises a horizontal embedded connecting plate (4), the upper side surface of the embedded connecting plate (4) is flush with the upper side surface of the waterproof protective layer (3),
the support frame comprises a group of support columns (7), the number of the embedded connecting plates (4) is the same as that of the support columns (7), the bottom ends of the support columns (7) are in one-to-one correspondence and fixedly connected with the upper side surfaces of the embedded connecting plates (4),
the support plates (10) are horizontally arranged and integrally connected with the top ends of the support columns (7), the bottom ends of the embedded steel columns (12) are fixedly connected to the upper side surfaces of the support plates (10), and the embedded shearing resistant members (11) are horizontally and fixedly connected to the bottoms of the embedded steel columns (12) and the upper sides of the support plates (10);
the support frame also comprises a bottom horizontal frame (6), a top horizontal frame (9) and a side diagonal brace (8),
the side inclined strut 8 is angle steel;
the bottom horizontal frame (6) is rectangular, is fixedly connected around the outer side of the bottom of the support column (7) and above the embedded connecting plate (4), the top horizontal frame (9) is rectangular, is fixedly connected around the outer side of the top of the support column (7) and on the lower side surface of the support plate (10), and the side inclined support (8) is positioned between the bottom horizontal frame (6) and the top horizontal frame (9) and is fixedly connected to the side surface of the support column (7);
the support frames form a lattice column structure, four support columns (7) are angle steels, the bottom horizontal frame (6) consists of four angle steels, the top horizontal frame (9) consists of four angle steels, the bottom horizontal frame (6) and the angle steels of the top horizontal frame (9) are opposite to each other vertically, the side diagonal bracing (8) is respectively arranged on four sides of the support frames, each side comprises a decoration brace, the top of the decoration brace is fixedly connected to the top of one support column (7) on the side, and the bottom of the decoration brace is fixedly connected to the bottom of the other support column (7) on the side;
the size of the supporting plate (10) is larger than that of the top horizontal frame (9);
the embedded steel column (12) is H-shaped steel, the embedded steel column (12) is aligned with the support frame in the middle, the embedded steel column (12) comprises a flange plate and a web, the axis of the web coincides with the diagonal line of two opposite support columns (7), angle steel of two side diagonal bracing (8) connected on the support column (7) correspondingly supported below the flange plate is arranged back to the opening at two sides of the support column (7), and angle steel of two side diagonal bracing respectively connected on the other two support columns (7) is arranged in a W shape at two sides of the support column (7);
the support frame is characterized in that the support frame members are fixedly connected through full welding, the support plates (10) are connected with the support columns (7) through full welding, the embedded shear members (11) are connected with the embedded steel columns (12) through full welding, and the support columns (7) are connected with the embedded connecting plates (4) through fillet welding.
2. The foundation bed steel column mounting support structure of claim 1, wherein: the embedded assembly further comprises embedded supporting legs (5), two rows of embedded supporting legs (5) are fixedly connected to the lower side of each embedded connecting plate (4), each row of embedded supporting legs (5) comprises two embedded supporting legs, each embedded supporting leg (5) comprises a vertical section and a horizontal section, the top end of each vertical section is in plug welding connection with the corresponding embedded connecting plate (4), one end of each horizontal section is perpendicular to the bottom end of each vertical section and is fixedly connected with the corresponding embedded connecting plate, the horizontal section is arranged towards the outer side relative to the corresponding vertical section, and each row of embedded supporting legs (5) and the corresponding embedded connecting plates (4) are pi-shaped.
3. The foundation bed steel column mounting support structure of claim 2, wherein: the middle parts of the cushion layer (1) and the waterproof layer (2) are concave to form an inverted trapezoid side section, and the embedded support legs (5) are embedded into the concave positions.
4. The foundation bed steel column mounting support structure of claim 1, wherein: the height-width ratio of the support frame is smaller than 4:1.
5. A construction method of the foundation slab steel column mounting support structure according to claim 1, characterized by comprising the following construction steps:
step one, determining the height and the width of a support frame according to the specification and the size of an embedded steel column (12) and the embedded elevation, and welding a support column (7), a bottom horizontal frame (6), a top horizontal frame (9), a side inclined strut (8) and a support plate (10) into a whole;
measuring and paying off in advance to determine the positioning position of the embedded connecting plate (4) and then positioning the position of the supporting column (7), thereby determining the concave ranges of the cushion layer (1) and the waterproof layer (2), and then constructing the cushion layer (1) and the waterproof layer (2);
step three, before the construction of the waterproof protection layer (3), the embedded connecting plate (4) is welded and assembled with the embedded supporting legs (5), the embedded connecting plate is positioned and fixed at the concave part, and the waterproof protection layer (3) is poured to be level with the upper side surface of the embedded connecting plate (4);
step four, transporting the support frame in the step one into the ground, correspondingly embedding the connecting plates (4) on the support columns (7) and welding the support columns to the surfaces of the support columns, and then controlling the horizontal elevation and the verticality of the support columns (7);
fifthly, welding an embedded shear-resistant member (11) at the bottom of the embedded steel column (12), wherein the embedded shear-resistant member (11) is a section of H-shaped steel member; the horizontal inner stiffening plate (14) is welded on the part of the embedded steel column (12) corresponding to the embedded shear part (11);
step six, the bottom ends of the embedded steel columns (12) are welded on the upper side of the supporting plate (10) in a centered manner; welding a horizontal inner stiffening plate (14) on the position of the upper side surface to be poured of the bottom plate concrete;
binding foundation slab steel bars and pouring foundation slab concrete to form foundation slab reinforced concrete (13).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911324867.1A CN110847502B (en) | 2019-12-20 | 2019-12-20 | Foundation plate steel column mounting and supporting structure and construction method |
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| CN201911324867.1A CN110847502B (en) | 2019-12-20 | 2019-12-20 | Foundation plate steel column mounting and supporting structure and construction method |
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| CN110847502B true CN110847502B (en) | 2024-04-05 |
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| CN114482109A (en) * | 2022-02-28 | 2022-05-13 | 安徽富煌钢构股份有限公司 | Construction method for pre-buried steel column of raft foundation in complex environment |
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| CN108035554A (en) * | 2017-11-24 | 2018-05-15 | 常州第建筑集团有限公司 | The steel column supporting frame construction method of high-rise building frame column |
| CN208933989U (en) * | 2018-06-29 | 2019-06-04 | 中建二局第三建筑工程有限公司 | A kind of tower-crane foundation structure |
| CN208918013U (en) * | 2018-09-28 | 2019-05-31 | 中国建筑土木建设有限公司 | Steel construction is pre-buried to use bracket |
| CN211447495U (en) * | 2019-12-20 | 2020-09-08 | 中建一局集团建设发展有限公司 | Mounting and supporting structure for steel column of foundation slab |
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