First section steel column anchoring structure of steel structure building

Abstract

The utility model discloses a first section steel column anchoring structure of a steel structure building, which comprises a steel column, a steel column contraction section, a column foot annular bottom plate, a column foot anchor bolt assembly and a column foot stiffening rib, the steel column is arranged at the top end of the steel column contraction section, and the column foot annular bottom plate is arranged at the bottom end of the steel column contraction section. A plurality of column foot stiffening ribs are vertically arranged between the periphery of the bottom of the steel column contraction section and a column foot annular bottom plate in a supporting mode, and the column foot annular bottom plate is fixed to foundation concrete through a column foot anchor bolt assembly. The structural joint is reasonable in stress and reliable in force transmission, the problem of internal force transmission of high-rise and super high-rise steel structure buildings is effectively solved, the overall stability of the first section of steel column is enhanced, and the rigidity, the strength and the bending resistance are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to super high -rise steel structure building first section steel column construction technical field, concretely relates to a steel structure building first section steel column anchoring structure. BACKGROUND

[0002] Steel structure building is more and more widely used in the field of construction due to convenient production and processing and convenient installation, with the high -speed development of construction engineering, super high -rise large -span heavy steel structure is more and more, and the stress of steel structure column foot is more complex.

[0003] Buried column foot anchors steel column in foundation concrete, and the support reaction force of bolt and surrounding concrete forms the resistance bending moment, and in high -rise and super high -rise steel structure building, higher requirements are put forward to column foot bending resistance and rigidity, therefore, a more reasonable and reliable steel structure building first section steel column anchoring structure is needed to ensure column bottom internal force transmission and bending resistance. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a steel structure building first section steel column anchoring structure, and the structure solves the steel column column bottom internal force transmission and bending problem in high -rise and super high -rise steel structure building.

[0005] To realize the above -mentioned purpose, the utility model adopts the following technical scheme:

[0006] A steel structure building first section steel column anchoring structure, including steel column, steel column column shrink section, column foot ring-shaped bottom plate, column foot anchor bolt assembly and column foot stiffening rib, the steel column is arranged at the top end of the steel column column shrink section, and the column foot ring-shaped bottom plate is arranged at the bottom end, a plurality of column foot stiffening ribs are vertically arranged between the outer periphery of the bottom of the steel column column shrink section and the column foot ring-shaped bottom plate, and the column foot ring-shaped bottom plate is fixed on the foundation concrete through the column foot anchor bolt assembly.

[0007] Preferably, the steel column is a straight cylinder structure.

[0008] Preferably, a plurality of first steel column annular stiffening plates are arranged on the inner side of the bottom of the steel column.

[0009] Preferably, the steel column column shrink section is a circular truncated cone structure with a large top and a small bottom, and the ratio of the top surface area to the bottom surface area of the steel column column shrink section should be not less than 6:1.

[0010] Preferably, a plurality of second steel column annular stiffening plates are arranged on the inner side of the top of the steel column column shrink section, and at least one third steel column annular stiffening plate is arranged on the inner side of the middle of the steel column column shrink section.

[0011] Preferably, the first steel column annular stiffening plate, the second steel column annular stiffening plate and the third steel column annular stiffening plate are annular, and a plurality of air holes are formed in each of the first steel column annular stiffening plate, the second steel column annular stiffening plate and the third steel column annular stiffening plate.

[0012] Preferably, a plurality of studs are evenly spaced on the inner wall of the steel column shrinkage section and the inner wall of the steel column.

[0013] Preferably, the side surface of the column foot stiffening rib is adapted to the shape of the bottom of the steel column shrinkage section, and the bottom surface of the column foot stiffening rib is flush with the edge of the column foot annular bottom plate after installation, and the height of the column foot stiffening rib is 2-2.5 times the length of its bottom surface.

[0014] Preferably, the column foot annular bottom plate is annular, and the inner ring of the annular is the same size as the inner ring of the bottom surface of the steel column shrinkage section, and a plurality of bottom plate holes are evenly spaced on the column foot annular bottom plate.

[0015] Preferably, the column foot anchor bolt assembly includes a column foot anchor bolt backing plate, a column foot anchor bolt nut, and a column foot anchor bolt screw rod, the column foot anchor bolt screw rod is embedded in the foundation concrete, the top passes through the bottom plate hole and is screwed to fix the column foot annular bottom plate through the column foot anchor bolt backing plate and the column foot anchor bolt nut in turn.

[0016] In the utility model, the steel column is connected with the column foot annular bottom plate through the steel column shrinkage section, and the column foot annular bottom plate is connected with the column foot anchor bolt screw rod anchored in the foundation concrete. The steel column shrinkage section is a variable cross-section cylindrical structure, a second steel column annular stiffening plate is welded at the top of the steel column shrinkage section, and a third steel column annular stiffening plate is welded at the middle of the steel column shrinkage section, and the three features ensure the rigidity and bending resistance of the steel column shrinkage section. The steel column shrinkage section and the column foot annular bottom plate are connected by welding, and a plurality of column foot stiffening ribs are vertically arranged between the steel column shrinkage section and the column foot annular bottom plate to further improve the bending resistance of the steel column shrinkage section connected at the bottom end of the steel column, and the arrangement of the plurality of column foot stiffening ribs can also reduce the thickness of the column foot annular bottom plate, i.e. the pile cap, to ensure the safety of the steel structure building and control the engineering cost.

[0017] In the utility model, the column foot anchor bolt screw rod is screwed on the outside of the steel column to fix the steel column shrinkage section, and there is no need to reserve an entrance on the outer wall of the steel column for the operator to enter and exit the work, which realizes the transfer of the working surface from the column to the outside of the column, increases the rigidity and bending resistance of the steel column, and also improves the construction efficiency of the steel column and saves the construction period.

[0018] In the utility model, first steel column annular stiffening plates and second steel column annular stiffening plates are welded at the upper and lower positions of the welding position of the steel column and the steel column shrinkage section, i.e. the first steel column annular stiffening plates are welded at the bottom of the steel column, and the second steel column annular stiffening plates are welded at the top of the steel column shrinkage section, so that the structure node is reasonably stressed, the force transmission is reliable, the internal force transmission problem of high-rise and super high-rise steel structure buildings is effectively solved, the overall stability of the first steel column is enhanced, and the rigidity, strength and bending resistance are improved. BRIEF DESCRIPTION OF DRAWINGS

[0019] Fig. 1 is an overall structure of the utility model;

[0020] Fig. 2 is an overall front view of the utility model;

[0021] Fig. 3 is a column foot stiffening rib structure schematic view of the utility model;

[0022] In the figure: 1, steel column; 2, steel column column shrink section; 3, column foot annular bottom plate; 4, column foot anchor bolt assembly; 5, column foot stiffening rib; 6, first steel column annular stiffening plate; 7, second steel column annular stiffening plate; 8, third steel column annular stiffening plate; 9, stud; 30, bottom plate hole; 40, column foot anchor bolt backing plate; 41, column foot anchor bolt nut; 42, column foot anchor bolt screw. DETAILED DESCRIPTION

[0023] The utility model is further described below in combination with the drawings:

[0024] As Figs. 1-3 shown in a kind of steel structure building first section steel column anchoring structure, including steel column 1, steel column column shrink section 2, column foot annular bottom plate 3, column foot anchor bolt assembly 4 and column foot stiffening rib 5.

[0025] Steel column 1 is straight cylinder structure, is provided with multiple first steel column annular stiffening plate 6 in steel column 1 bottom inside by welding.

[0026] Steel column column shrink section 2 is circular truncated cone cylinder structure with top big bottom small, the ratio of the top surface area and bottom surface area of steel column column shrink section 2 should not be less than 6:1, is provided with multiple second steel column annular stiffening plate 7 in steel column column shrink section 2 top inside, is provided with at least one third steel column annular stiffening plate 8 in steel column column shrink section 2 middle inside by welding.

[0027] Multiple stud 9 are evenly spaced on the inner wall of steel column column shrink section 2 and the inner wall of steel column 1, to increase the rigidity, strength and bending resistance of steel column column shrink section 2.

[0028] First steel column annular stiffening plate 6, second steel column annular stiffening plate 7 and third steel column annular stiffening plate 8 are annular, and are provided with several air holes, and material is selected to be same with the material used in steel column 1 and steel column column shrink section 2, in the process of concrete pouring, air hole allows air and excess cement paste to discharge, improves the compactness and strength of concrete.

[0029] Steel column 1 is set by welding in the top end of steel column column shrink section 2, and column foot annular bottom plate 3 is set in the bottom end, multiple column foot stiffening ribs 5 are vertically arranged between the outer periphery of steel column column shrink section 2 and column foot annular bottom plate 3, and column foot annular bottom plate 3 is fixed on foundation concrete by column foot anchor bolt assembly 4.

[0030] The side surface of the column foot stiffening rib 5 is matched with the shape of the bottom of the column shrink section 2, and the column foot stiffening rib 5 is divided into upper and lower parts with an area ratio of 1:3 at the other side surface of the column foot stiffening rib 5 at a suitable height, and the bottom surface of the column foot stiffening rib 5 is flush with the edge of the column foot annular bottom plate 3 after installation, the height of the column foot stiffening rib 5 is 2-2.5 times the length of the bottom surface, and the material of the column foot stiffening rib 5 is the same as that of the column foot stiffening rib 5.

[0031] The column foot annular bottom plate 3 is annular, and the inner ring of the annular is consistent with the size of the inner ring of the bottom surface of the column shrink section 2, a plurality of bottom plate holes 30 are evenly arranged on the column foot annular bottom plate 3, the plurality of bottom plate holes 30 are evenly distributed between the plurality of column foot stiffening ribs 5, and the material of the column foot annular bottom plate 3 is the same as that of the column foot stiffening rib 5.

[0032] The column foot anchor bolt assembly 4 includes a column foot anchor bolt pad 40, a column foot anchor bolt nut 41 and a column foot anchor bolt screw 42, the column foot anchor bolt screw 42 is embedded in the foundation concrete, the top is out of the bottom plate hole 30 and is screwed to fix the column foot annular bottom plate 3 through the column foot anchor bolt pad 40 and the column foot anchor bolt nut 41 in turn.

[0033] The above embodiments are only a number of descriptions of the concept and implementation of the present application, and are not limited thereto, and under the concept of the present application, the technical solutions without substantial changes are still within the protection scope.

Claims

1. A steel structure building first section steel column anchoring structure, characterized in that: The utility model relates to a steel column and column foot ring-shaped bottom plate and column foot anchor bolt assembly and column foot stiffening rib, which are used for the construction of a steel column, and the utility model relates to a steel column and column foot ring-shaped bottom plate and column foot anchor bolt assembly and column foot stiffening rib, which are used for the construction of a steel column, and the utility model relates to a steel column and column foot ring-shaped bottom plate and column foot anchor bolt assembly and column foot stiffening rib, which are used for the construction of a steel column, and the utility model relates to a steel column and column foot ring-shaped bottom plate and column foot anchor bolt assembly and column foot stiffening rib, which are used for the construction of a steel column, and the utility model relates to a steel column and column foot ring-shaped bottom plate and column foot anchor bolt assembly and column foot stiffening rib, which are used for the construction of a steel column, and the utility model relates to a steel column and column foot ring-shaped bottom plate and column foot anchor bolt assembly and column foot stiffening rib, which are used for the construction of a steel column, and the utility model relates to a steel column and column foot ring-shaped bottom plate and column foot anchor bolt assembly and column foot stiffening rib, which are used for the construction of a steel column, and the utility model relates to a steel column and column foot ring-shaped bottom plate and column foot anchor bolt assembly and column foot stiffening rib, which are used for the construction of a steel column, and the utility model relates to a steel column and column foot ring-shaped bottom plate and column foot anchor bolt assembly and column foot stiffening rib, which are used for the construction of a steel column, and the utility model relates to a steel column and column foot ring-shaped bottom plate and column foot anchor bolt assembly and column foot stiffening rib, which are used for the construction of a steel column, and the utility model relates to a steel column and column foot ring-shaped bottom plate and column foot anchor bolt assembly and column foot stiffening rib, which are used for the construction of a steel column, and the utility model relates to a steel column and column foot ring-shaped bottom plate and column foot anchor bolt assembly and column foot stiffening rib, which are used for the construction of a steel column, and the utility model relates to a steel column and column foot ring-shaped bottom plate and column foot anchor bolt assembly and column foot stiffening rib, which are used for the construction of a steel column, and the utility model relates to a steel column and column foot ring-shaped bottom plate and column foot anchor bolt assembly and column foot stiffening rib, which are used for the construction of a steel column, and the utility model relates to a steel column and column foot ring-shaped bottom plate and column foot anchor bolt assembly and column foot stiffening rib, which are used for the construction of a steel column, and the utility model relates to a steel column and column foot ring-shaped bottom plate and column foot anchor bolt assembly and column foot stiffening rib, which are used for the construction of a steel column, and the utility model relates to a steel column and column foot ring-shaped bottom plate and column foot anchor bolt assembly and column foot stiffening rib, which are used for the construction of a steel column, and the utility model relates to a steel column and column foot ring-shaped bottom plate and column foot anchor bolt assembly and column foot stiffening rib, which are used for the construction of a steel column, and the utility model relates to a steel column and column foot ring-shaped bottom plate and column foot anchor bolt assembly and column foot stiffening rib, which are used for the construction of a steel column, and the utility model relates to a steel column and column foot ring-shaped bottom plate and column foot anchor bolt assembly and column foot stiffening rib, which are used for the construction of a steel column, and the utility model relates to a steel column and column foot ring-shaped bottom plate and column foot anchor bolt assembly and column foot stiffening rib, which are used for the construction of a steel column, and the utility model relates to a steel column and column foot ring-shaped bottom plate and column foot anchor bolt assembly and column foot stiffening rib, which are used for the construction of a steel column, and the utility model relates to a steel column and column foot ring-shaped bottom plate and column foot anchor bolt assembly and column foot stiffening rib, which are used for the construction of a steel column, and the utility model relates to a steel column and column foot ring-shaped bottom plate and column foot anchor bolt assembly and column foot stiffening rib, which are used for the construction of a steel column, and the utility model relates to a steel column and column foot ring-shaped bottom plate and column foot anchor bolt assembly and column foot stiffening rib, which are used for the construction of a steel column, and the utility model relates to a steel column and column foot ring-shaped bottom plate and column foot anchor bolt assembly and column foot stiffening rib, which are used for the construction of a steel column, and the utility model relates to a steel column and column foot ring-shaped bottom plate and column foot anchor bolt assembly and column foot stiffening rib, which are used for the construction of a steel column, and the utility model relates to a steel column and column foot ring-shaped bottom plate and column foot anchor bolt assembly and column foot stiffening rib, which are used for the construction of a steel column, and the utility model relates to a steel column and column foot ring-shaped bottom plate and column foot anchor bolt assembly and column foot stiffening rib, which are used for the construction of a steel column, and the utility model relates to a steel column and column foot ring-shaped bottom plate and column foot anchor bolt assembly and column foot stiffening rib, which are used for the construction of a steel column, and the utility model relates to a steel column and column foot ring-shaped bottom plate and column foot anchor bolt assembly and column foot stiffening rib, which are used for the construction of a steel column, and the utility model relates to a steel column and column foot ring-shaped bottom plate and column foot anchor bolt assembly and column foot stiffening rib, which are used for the construction of a steel column, and the utility model relates to a steel column and column foot ring-shaped bottom plate and column foot anchor bolt assembly and column foot stiffening rib, which are used for the construction of a steel column, and the utility model relates to a steel column and column foot ring-shaped bottom plate and column foot anchor bolt assembly and column foot stiffening rib, which are used for the construction of a steel column, and the utility model relates to a steel column and column foot ring-shaped bottom plate and column foot anchor bolt assembly and column foot stiffening rib, which are used for the construction of a steel column, and the utility model relates to a steel column and column foot ring-shaped bottom plate and column foot anchor bolt assembly and column foot stiffening rib, which are used for the construction of a steel column, and the utility model relates to a steel column and column foot ring-shaped bottom plate and column foot anchor bolt assembly and column foot stiffening rib, which are used for the construction of a steel column, and the utility model relates to a steel column and column foot ring-shaped bottom plate and column foot anchor bolt assembly and column foot stiffening rib, which are used for the construction of a steel column, and the utility model relates to a steel column and column foot ring-shaped bottom plate and column foot anchor bolt assembly and column foot stiffening rib, which are used for the construction of a steel column, and the utility model relates to a steel column and column foot ring-shaped bottom plate and column foot anchor bolt assembly and column foot stiffening rib, which are used for the construction of a steel column, and the utility model relates to a steel column and column foot ring-shaped bottom plate and column foot anchor bolt assembly and column foot stiffening rib, which are used for the construction of a steel column, and the utility model relates to a steel column and column foot ring-shaped bottom plate and column foot anchor bolt assembly and column foot stiffening rib, which are used for the construction of a steel column, and the utility model relates to a steel column and column foot ring-shaped bottom plate and column foot anchor bolt assembly and column foot stiffening rib, which are used for the construction of a steel column, and the utility model relates to a steel column and column foot ring-shaped bottom plate and column foot anchor bolt assembly and column foot stiffening rib, which are used for the construction of a steel column, and the utility model relates to a steel column and column foot ring-shaped bottom plate and column foot anchor bolt assembly and column foot stiffening rib, which are used for the construction of a steel column, and the utility model relates to a steel column and column foot ring-shaped bottom plate and column foot anchor bolt assembly and column foot stiffening rib, which are used for the construction of a steel column, and the utility model relates to a steel column and column foot ring-shaped bottom plate and column foot anchor bolt assembly and column foot stiffening rib, which are used for the construction of a steel column, and the utility model relates to a steel column and column foot ring-shaped bottom plate and column foot anchor bolt assembly and column foot stiffening rib, which are used for the construction of a steel column, and the utility model relates to a steel column and column foot ring-shaped bottom plate and column foot anchor bolt assembly and column foot stiffening rib, which are used for the construction of a steel column, and the utility model relates to a steel column and column foot ring-shaped bottom plate and column foot anchor bolt assembly and column foot stiffening rib, which are used for the construction of a steel column, and the utility model relates to a steel column and column foot ring-shaped bottom plate and column foot anchor bolt assembly and column foot stiffening rib, which are used for the construction of a steel column, and the utility model relates to a steel column ​ ​ ​ ​ 2. The steel construction building first section steel column anchoring structure according to claim 1, characterized in that: ​ 3. The steel construction building first section steel column anchoring structure according to claim 1, characterized in that: ​ 4. The steel construction building first section steel column anchoring structure according to claim 1, characterized in that: ​ 5. The steel building construction first section steel column anchoring structure according to claim 1, characterized in that: ​ 6. The steel construction building first section steel column anchoring structure according to claim 5, characterized in that: ​

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