CN204780977U - Reduce steel column burried depth's type of putting more energy into and bury formula column base - Google Patents
Reduce steel column burried depth's type of putting more energy into and bury formula column base Download PDFInfo
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- CN204780977U CN204780977U CN201520486679.XU CN201520486679U CN204780977U CN 204780977 U CN204780977 U CN 204780977U CN 201520486679 U CN201520486679 U CN 201520486679U CN 204780977 U CN204780977 U CN 204780977U
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- steel column
- column
- stiffening rib
- base plate
- wing
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Abstract
The utility model relates to a reduce steel column burried depth's type of putting more energy into and bury formula column base, the steel column is H shape steel column or box steel column, the column base is buryyed in the reinforced concrete foundation, including setting up the bottom plate at steel column bottom end, the area of bottom plate is greater than steel column cross -sectional area, be provided with vertical stiffening rib between the edge of a wing of steel column both sides, vertical stiffening rib is parallel with the web of steel column body, on bottom the outer wall of steel column body both wings reasons respectively the equipartition have a plurality of cant chisei, the bottom plate both ends all are provided with the crab -bolt. This device is through setting up horizontal stiffening rib and vertical stiffening rib, has enlarged effective pressure -bearing width of steel column imbed part, is favorable to buryying the transmission of the flexural of formula column base node institute square and shear force, can show the burried depth who reduces the steel column to further reduce the burried depth of basis or cushion cap, this column base has better economic benefits in the engineering is actual.
Description
Technical field
The utility model relates to a kind of type of putting more energy into embedded column base reducing steel column buried depth.
Background technology
Embedded column base is by direct for steel column bottom Transducers Embedded in Concrete basis, grade beam or basement wall, a kind of rigidity suspension column that surrounding steel concrete is strengthened.The integral rigidity of embedded column base is large, good with base integral, and make easily to meet the requirement forming plastic hinge bottom steel column, build-in and the rigidity of suspension column easily ensure, and anti-seismic performance is good.For embedded column base, affect the bending rigidity of suspension column, the most important factor of bearing capacity ability is the buried depth of steel column.The design of suspension column buried depth is carried out according to domestic current specification, removing has the building structure arranging basement, the building structure of existing employing embedded column base, all faces the excessive uneconomical problem causing basis, grade beam, cushion cap etc. excessive, excessively dark of buried depth of steel kind design.
Summary of the invention
The utility model makes improvement for above-mentioned prior art Problems existing, namely technical problem to be solved in the utility model is to provide a kind of type of putting more energy into embedded column base reducing steel column buried depth, expand effective pressure-bearing width of steel column inlet part, be conducive to the transmission of moment of flexure and shearing suffered by embedded column base node, significantly can reduce the buried depth of steel column, thus reducing the buried depth of basis or cushion cap further, this foot joint has good economic benefit in engineering reality.
In order to solve the problems of the technologies described above, a kind of technical scheme of the present utility model is: a kind of type of putting more energy into embedded column base reducing steel column buried depth, described steel column is H-shaped steel column or box steel column, described suspension column is imbedded in reinforced concrete foundation, comprise the base plate being arranged on steel column bottom end face, the area of described base plate is greater than steel column cross-sectional area, vertical stiffening rib is provided with between described steel column two side wing edge, described vertical stiffening rib is parallel with the web of steel column body, the described edge of a wing, web, vertical stiffening rib and base plate form a cavity volume jointly, described cavity volume top open part is provided with sash rib, several pegs are evenly equipped with respectively on bottom the outside wall surface of described steel column body two edge of a wing, described base plate two ends are provided with crab-bolt.
Further, described sash rib is by this cavity volume top seal, and be provided with the grout hole toward the grouting of this cavity volume in the middle part of described sash rib, this grout hole radius should meet grouting requirement.
Further, described vertical stiffening rib welds mutually with sash rib, two edges of a wing and base plate; The spacing of described vertical stiffening rib and web is the minimum value between 4 times of edge of a wing thickness to 75mm; The spacing of described vertical stiffening rib and edge of a wing sidewall is more than or equal to 2 times of edge of a wing thickness.
Further, described base plate is provided with the through hole for installing crab-bolt, on the outside that described through hole is positioned at steel column and web center line.
Further, described crab-bolt is not less than 35 times of crab-bolt diameters in the anchorage length of base plate bottom, and described crab-bolt top is run through base plate and used nut fastening.
Further, when described steel column is box steel column, its sidewall is provided with injected hole, this injected hole is used for toward the grouting of sash rib grout hole.
Compared with prior art, the utility model has following beneficial effect: type of putting more energy into embedded column base node is by arranging sash rib and vertical stiffening rib, expand effective pressure-bearing width of steel column inlet part, be conducive to the transmission of moment of flexure and shearing suffered by embedded column base node, thus reach the object reducing steel column buried depth.Result of calculation shows that this local structure can make the buried depth of steel column reduce about 30%, has good economic benefit; The setting of peg, crab-bolt, improves the collaborative work between steel column, rear pouring concrete and reinforced concrete foundation, is conducive to the globality of foot joint, realizes cooperative bearing.
Below in conjunction with the drawings and specific embodiments, the utility model is described in more detail.
Accompanying drawing explanation
Fig. 1 is the organigram of the utility model embodiment one.
Fig. 2 is A-A sectional view in Fig. 1.
Fig. 3 is B-B sectional view in Fig. 1.
Fig. 4 is C-C sectional view in Fig. 1.
Fig. 5 is the organigram of the utility model embodiment two.
Fig. 6 is D-D sectional view in Fig. 2.
Fig. 7 is E-E sectional view in Fig. 2.
Fig. 8 is F-F sectional view in Fig. 2.
In figure: 1-H shape steel column, 2-box steel column, 3-base plate, 31-through hole, the vertical stiffening rib of 4-, 5-sash rib, 51-grout hole, 6-peg, 7-crab-bolt, 8-reinforced concrete foundation, 9-steel concrete secondary builds line, pouring concrete after 10-.
Detailed description of the invention
Embodiment one: as shown in Fig. 1 ~ 4, a kind of type of putting more energy into embedded column base reducing steel column buried depth, described steel column is H-shaped steel column 1, described suspension column is imbedded in reinforced concrete foundation, comprise the base plate 3 being arranged on steel column bottom end face, the area of described base plate 3 is greater than steel column cross-sectional area, vertical stiffening rib 4 is provided with between described steel column two side wing edge, described vertical stiffening rib 4 is parallel with the web of steel column body, the described edge of a wing, web, vertical stiffening rib 4 and base plate 3 form a cavity volume jointly, described cavity volume top open part is provided with sash rib 5, several pegs 6 are evenly equipped with respectively on bottom the outside wall surface of described steel column body two edge of a wing, described base plate 3 two ends are provided with crab-bolt 7.
In the present embodiment, described sash rib 5 is by this cavity volume top seal, and be provided with the grout hole 51 toward the grouting of this cavity volume in the middle part of described sash rib 5, this grout hole 51 radius should meet grouting requirement.
In the present embodiment, described vertical stiffening rib 4 welds mutually with sash rib 5, two edge of a wing and base plate 3; The spacing of described vertical stiffening rib and web is the minimum value between 4 times of edge of a wing thickness to 75mm; Described vertical stiffening rib 4 is more than or equal to 2 times of edge of a wing thickness with the spacing of edge of a wing sidewall.
In the present embodiment, described base plate 3 is provided with the through hole 31 for installing crab-bolt, on the outside that described through hole 31 is positioned at steel column and web center line.
In the present embodiment, described crab-bolt 7 is not less than 35 times of crab-bolt diameters in the anchorage length of base plate bottom, and described crab-bolt 7 top is run through base plate and used nut fastening.
The construction technology of the present embodiment, carry out according to the following steps:
(1) the H-shaped steel column required for selection, and according to imbedding the relevant parameter of steel column, produce satisfactory vertical stiffening rib, sash rib and base plate, and on sash rib, offer the grout hole meeting grouting and require, offer through hole at base plate two ends;
(2) shop: at the bottom end face welding base plate of steel column, vertical stiffening rib welding position is determined at steel column two side wing edge place, then vertical stiffening rib is welded mutually with the edge of a wing, base plate respectively, vertical stiffening rib parallels with steel column web, on the edge of a wing, the cavity volume top open part weld horizontal stiffening rib that jointly forms of web, vertically stiffening rib and base plate, bottom two edge of a wing outside wall surface, weld several pegs respectively;
(3) site operation: be embedded in reinforced concrete foundation 8 in advance by design attitude by crab-bolt, reaches after steel column installation strength until reinforced concrete foundation 8, is lifted by prefabricated steel column in step (2); In lifting construction, the through hole of base plate runs through crab-bolt respectively, and after the horizontal level adjusting steel column and verticality, crab-bolt top adopts nut fastening; Finally, build pouring concrete 10 after line more than 9, should be poured in steel column cavity volume by rear pouring concrete simultaneously by grout hole at steel concrete secondary, until grout hole grout, rear pouring concrete should adopt the concrete of same intensity grade with reinforced concrete foundation.
The distance of described sash rib and reinforced concrete foundation 8 end face is protective layer thickness.
Embodiment two: as viewed in figures 5-8, a kind of type of putting more energy into embedded column base reducing steel column buried depth, described steel column is that box steel column 2(is at building field, the steel plate that general title parallels with Moment face is web, the steel plate perpendicular with Moment face is then the edge of a wing), described suspension column is imbedded in reinforced concrete foundation, comprise the base plate 3 being arranged on steel column bottom end face, the area of described base plate 3 is greater than steel column cross-sectional area, vertical stiffening rib 4 is provided with in the middle part of described steel column two side wing edge, described vertical stiffening rib 4 is parallel with the web of steel column body, the described edge of a wing, web, vertical stiffening rib 4 and base plate 3 form a cavity volume jointly, described cavity volume top open part is provided with sash rib 5, several pegs 6 are evenly equipped with respectively on bottom the outside wall surface of described steel column body two edge of a wing, described base plate 3 two ends are provided with crab-bolt 7
In the present embodiment, described sash rib 5 is by this cavity volume top seal, and be provided with the grout hole 51 toward the grouting of this cavity volume in the middle part of described sash rib 5, this grout hole 51 radius should meet grouting requirement.
In the present embodiment, described vertical stiffening rib 4 welds mutually with sash rib 5, two edge of a wing and base plate 3; The spacing of described vertical stiffening rib and web is the minimum value between 4 times of edge of a wing thickness to 75mm; Described vertical stiffening rib 4 is more than or equal to 2 times of edge of a wing thickness with the spacing of edge of a wing sidewall.
In the present embodiment, described base plate 3 is provided with the through hole 31 for installing crab-bolt, on the outside that described through hole 31 is positioned at steel column and web center line.
In the present embodiment, described crab-bolt 7 is not less than 35 times of crab-bolt diameters in the anchorage length of base plate bottom, and described crab-bolt 7 top is run through base plate and used nut fastening.When described steel column is box steel column, its sidewall is provided with injected hole, this injected hole is used for toward the grouting of sash rib grout hole.
The foregoing is only preferred embodiment of the present utility model, all equalizations done according to the utility model claim change and modify, and all should belong to covering scope of the present utility model.
Claims (6)
1. one kind is reduced type of the putting more energy into embedded column base of steel column buried depth, described steel column is H-shaped steel column or box steel column, it is characterized in that: described suspension column is imbedded in reinforced concrete foundation, comprise the base plate being arranged on steel column bottom end face, the area of described base plate is greater than steel column cross-sectional area, vertical stiffening rib is provided with between described steel column two side wing edge, described vertical stiffening rib is parallel with the web of steel column body, the described edge of a wing, web, vertical stiffening rib and base plate form a cavity volume jointly, described cavity volume top open part is provided with sash rib, several pegs are evenly equipped with respectively on bottom the outside wall surface of described steel column body two edge of a wing, described base plate two ends are provided with crab-bolt.
2. type of the putting more energy into embedded column base of minimizing steel column buried depth according to claim 1, it is characterized in that: described sash rib is by this cavity volume top seal, be provided with the grout hole toward the grouting of this cavity volume in the middle part of described sash rib, this grout hole radius should meet grouting requirement.
3. type of the putting more energy into embedded column base of minimizing steel column buried depth according to claim 1, is characterized in that: described vertical stiffening rib welds mutually with sash rib, two edges of a wing and base plate; The spacing of described vertical stiffening rib and web is the minimum value between 4 times of edge of a wing thickness to 75mm; The spacing of described vertical stiffening rib and edge of a wing sidewall is more than or equal to 2 times of edge of a wing thickness.
4. type of the putting more energy into embedded column base of minimizing steel column buried depth according to claim 1, is characterized in that: described base plate is provided with the through hole for installing crab-bolt, on the outside that described through hole is positioned at steel column and web center line.
5. type of the putting more energy into embedded column base of minimizing steel column buried depth according to claim 1, is characterized in that: described crab-bolt is not less than 35 times of crab-bolt diameters in the anchorage length of base plate bottom, and described crab-bolt top is run through base plate and used nut fastening.
6. type of the putting more energy into embedded column base of minimizing steel column buried depth according to claim 1, is characterized in that: when described steel column is box steel column, its sidewall is provided with injected hole, and this injected hole is used for toward the grouting of sash rib grout hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520486679.XU CN204780977U (en) | 2015-07-08 | 2015-07-08 | Reduce steel column burried depth's type of putting more energy into and bury formula column base |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520486679.XU CN204780977U (en) | 2015-07-08 | 2015-07-08 | Reduce steel column burried depth's type of putting more energy into and bury formula column base |
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| Publication Number | Publication Date |
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| CN204780977U true CN204780977U (en) | 2015-11-18 |
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| CN201520486679.XU Expired - Fee Related CN204780977U (en) | 2015-07-08 | 2015-07-08 | Reduce steel column burried depth's type of putting more energy into and bury formula column base |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104929149A (en) * | 2015-07-08 | 2015-09-23 | 黄冀卓 | Stiffened embedded type column foot for reducing steel column embedment depth and construction technology thereof |
| CN105421791A (en) * | 2015-12-04 | 2016-03-23 | 华北冶建工程建设有限公司 | Steel column hoisting in-position method |
| CN105544991A (en) * | 2015-12-04 | 2016-05-04 | 华北冶建工程建设有限公司 | Concrete column hoisting in situ method |
-
2015
- 2015-07-08 CN CN201520486679.XU patent/CN204780977U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104929149A (en) * | 2015-07-08 | 2015-09-23 | 黄冀卓 | Stiffened embedded type column foot for reducing steel column embedment depth and construction technology thereof |
| CN105421791A (en) * | 2015-12-04 | 2016-03-23 | 华北冶建工程建设有限公司 | Steel column hoisting in-position method |
| CN105544991A (en) * | 2015-12-04 | 2016-05-04 | 华北冶建工程建设有限公司 | Concrete column hoisting in situ method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151118 Termination date: 20170708 |