CN103526772A - Construction method of steel-structure combined base of tower crane - Google Patents
Construction method of steel-structure combined base of tower crane Download PDFInfo
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- CN103526772A CN103526772A CN201310499727.4A CN201310499727A CN103526772A CN 103526772 A CN103526772 A CN 103526772A CN 201310499727 A CN201310499727 A CN 201310499727A CN 103526772 A CN103526772 A CN 103526772A
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Abstract
The invention discloses a construction method of a steel-structure combined base of a tower crane. The construction method includes the following steps: (1) according to the position and the quantity of fixing ground pins of the tower crane, foundation piles are constructed, a shearing-resistant steel column is pre-buried in each foundation pile, and the bottom ends of the fixing ground pins and the top ends of the shearing-resistant steel columns are fixedly connected together; (2) the top of each foundation pile is provided with a steel bar in a tying mode to form a steel bar cage, the outside of the steel bar cage is provided with a combination steel sleeve, a supporting component is arranged between every two adjacent combination steel sleeves, all the combination steel sleeves are connected to form a steel structure portion, and a base section of the tower crane and the fixing ground pins of the tower crane are connected together; (3) concrete is poured in the combination steel sleeves until the concrete reaches the top faces of the combination steel sleeves, and after steel bar concrete structures in the combination steel sleeves reach design strength, construction of the base is finished. According to the construction method, the construction speed is high, construction cost is low, and the occupied area of the constructed base is small.
Description
Technical field
The present invention relates to a kind of job practices of column foot, particularly relate to a kind of job practices of steel structure combined tower crane foundation.
Background technology
Pillar crane is a kind of crane gear of extensive use in construction work, be mainly used in the handling of constructional materials and member and the installation of building structure and industrial equipment, its major function is short distance horizontal transport in the vertical transport of weight and job site, is specially adapted to the construction of highrise building.Pillar crane reaches basic vertical force and moment of flexure is all larger, when foundation soil is soft layer, adopts shallow foundation generally can not meet the requirement of pillar crane to ground bearing capacity.For meeting above-mentioned requirements, existing pillar crane generally adopts deposited reinforced concrete pile base cushion cap foundation, and wherein reinforced concrete pile cap generally adopts volume rectangular plate type or the cross beam type cushion cap of large (being generally 30m3～50m3).Currently used pillar crane reinforced concrete pile cap has the problem of following aspect: 1) cushion cap floor space is larger.2) construction bearing platform is used reinforcing bar and concrete amount are larger, and not reproducible use, cause significant wastage.
Summary of the invention
The present invention provides a kind of job practices of steel structure combined tower crane foundation for solving the technical problem existing in known technology, this job practices speed is fast, and cost is low, and the basic floor space that adopts this job practices to execute to build is little.
The technical scheme that the present invention takes for the technical problem existing in solution known technology is: a kind of job practices of steel structure combined tower crane foundation, comprises the following steps:
One) according to the pillar crane fixedly position of lower margin and quantity construction foundation pile, pre-buried primary antibodie shear-steel post in foundation pile every described, the stake top of described foundation pile is stretched out on the top of described shearing resistance steel column; By described pillar crane, fixedly the bottom of lower margin and the top of described shearing resistance steel column are fixed together;
Two) on the stake top of foundation pile every described, the vertical muscle of colligation and stirrup form reinforcing cage and combine steel bushing in this reinforcing cage outer setting one, and described combination steel bushing is formed by releasable connection by two lobes; By between two adjacent described combination steel bushings, support component being set, all described combination steel bushings are joined together to form to steel work part; It between described support component and described combination steel bushing, is releasable connection; By tower crane foundation joint and pillar crane fixedly lower margin link together;
Three) in described combination steel bushing, concreting, to the end face of described combination steel bushing, has completed basic construction after the reinforced concrete structure in described combination steel bushing reaches design strength.
The diameter of reinforced concrete structure in described combination steel bushing is identical with the diameter of foundation pile.
Described combination steel bushing is provided with annular stiffening rib outward.
The described pillar crane fixedly bottom of lower margin and the top of described shearing resistance steel column is fixed together by horizontally disposed junction plate.
Advantage and good effect that the present invention has are: by adopt assembly and disassembly all more conveniently the reinforced concrete structure in steel work part and combination steel bushing thereof replace the reinforced concrete pile cap of existing pillar crane poured pile base cushion cap foundation, several separate deposited reinforced concrete piles are connected in aggregates, the load that its shared pillar crane is produced, steel work part wherein can reuse, therefore, the present invention can reduce construction cost, improve speed of application, environmental protection.And the basis that adopts the present invention to apply has advantages of that floor space is little.
Accompanying drawing explanation
The steel structure combined tower crane foundation elevation of Fig. 1 for adopting the present invention to apply;
Fig. 2 is the plan view of Fig. 1;
Fig. 3 is the plan view that in the present invention, steel bushing is connected with vertical support I;
Fig. 4 is the plan view of vertical support I in the present invention;
Fig. 5 is the plan view that in the present invention, steel bushing is connected with vertical support II;
Fig. 6 is the plan view of vertical support II in the present invention;
Fig. 7 is the structural front view of steel bushing one lobe in the present invention;
Fig. 8 is the lateral view of Fig. 7;
Fig. 9 is the top view of Fig. 7.
In figure: 1, foundation pile, 2, shearing resistance steel column, 3, pillar crane is lower margin fixedly, 4, junction plate I, 5, concrete cushion, 6, combination steel bushing, 7, vertical muscle, 8, stirrup, 9, reinforced concrete structure, 10, subdivision steel pipe, 11, annular stiffening rib, 12, equal leg angle, 13, high-strength bolt, 14, vertical support I, 15, junction plate II, 16, triatic stay I, 17, oblique strut I, 18, vertical support II, 19, junction plate III, 20, junction plate IV, 21, triatic stay II, 22, oblique strut II, 23, intersection horizontal support, 24, junction plate V, 25, junction plate VI, 26, tower crane foundation joint.
The specific embodiment
For further understanding summary of the invention of the present invention, Characteristic, hereby exemplify following examples, and coordinate accompanying drawing to be described in detail as follows:
Refer to Fig. 1～Fig. 9, a kind of job practices of steel structure combined tower crane foundation, comprises the following steps:
One) according to the pillar crane fixedly position of lower margin and quantity construction foundation pile 1, pre-buried primary antibodie shear-steel post 2 in foundation pile every described 1, the stake top of described foundation pile 1 is stretched out on the top of described shearing resistance steel column 2; By described pillar crane, fixedly the bottom of lower margin 3 and the top of described shearing resistance steel column 2 are all connected by welding with junction plate I 4; At the top of described foundation pile 1 concreting bed course 5.
Two) on the stake top of foundation pile every described 1, the vertical muscle 7 of colligation and stirrup 8 form reinforcing cage and combine steel bushing 6 in this reinforcing cage outer setting one, and described combination steel bushing 6 is formed by releasable connection by two lobes; By between two adjacent described combination steel bushings 6, support component being set, all described combination steel bushings 6 are joined together to form to steel work part; It between described support component and described combination steel bushing 6, is releasable connection; By tower crane foundation joint 26 and pillar crane fixedly lower margin 3 link together;
Three) end face to described combination steel bushing 6 at the interior concreting of described combination steel bushing 6 has completed basic construction after the reinforced concrete structure 9 in described combination steel bushing 6 reaches design strength, can carry out the installation of pillar crane subsequently.
In the present embodiment, foundation pile 1 adopts deposited reinforced concrete pile, and the diameter of the reinforced concrete structure in described combination steel bushing 6 is identical with the diameter of foundation pile 1.The stake top close contact of the bottom of described combination steel bushing 6 and foundation pile 1.Described combination steel bushing 6 is comprised of two lobe subdivision steel pipes 10, on the periphery of every lobe subdivision steel pipe 10, be all welded with 3 road annular stiffening ribs 11, the equal leg angle 12 that is all welded with equal leg angle 12, two lobe subdivision steel pipe 10 relative both sides in the both sides of every lobe subdivision steel pipe 10 connects by high-strength bolt 13.
What above-mentioned support component comprised the vertical support I 14 that arranges along described combination steel bushing 6 split surfaces, the vertical support II 18 vertical with described combination steel bushing 6 split surfaces and diagonal angle setting intersects horizontal support 23, described vertical support I 14 comprises two relative junction plate II 15, the outside of described junction plate II 15 is clipped in described in two lobes between subdivision steel pipe 10, between described junction plate II 15 and corresponding described combination steel bushing 6, by high-strength bolt 13, form releasable connection, between two described junction plate II 15, be welded with upper and lower 2 road triatic stay I 16 and the oblique strut I 17 in 1 road, described vertical support II 18 is comprised of upper and lower 2 road triatic stay II 21 and the oblique strut II 22 in 1 road, the two ends of described oblique strut II 22 are respectively connected with corresponding described combination steel bushing 6 by a plate IV 20, described triatic stay II 21 one end are connected with corresponding described combination steel bushing 6 by corresponding described junction plate IV 20, the other end is connected with corresponding described combination steel bushing 6 by junction plate III 19, described junction plate III 19 and described junction plate IV 20 are all welded on corresponding described combination steel bushing 6, between described oblique strut II 21 and described junction plate IV 20, by high-strength bolt, form releasable connection, between described triatic stay II 21 and described junction plate III 19 and are all the releasable connections that form by high-strength bolt between described triatic stay II 21 and described junction plate IV 20, described intersection horizontal support 23 is provided with intermediate node junction plate VI 25, the outer end of described intersection horizontal support 23 is connected with corresponding described combination steel bushing 6 by junction plate V 24, described junction plate V 24 is welded on corresponding described combination steel bushing 6, releasable connection for forming by high-strength bolt between described intersection horizontal support 23 and described junction plate V 24, the releasable connection for forming by high-strength bolt between described intersection horizontal support 23 and described intermediate node junction plate VI 25.
For strengthen with pillar crane fixedly lower margin 3 be connected effect effective force, the described pillar crane fixedly bottom of lower margin and the top of described shearing resistance steel column 2 is fixed together by horizontally disposed junction plate I 4.Tower crane foundation joint 26 and pillar crane fixedly lower margin 3 are connected by bolt.
The floor space on above-mentioned basis is identical with the pillar crane area that bottoms becomes regularly, and the reinforced concrete pile cap of comparing existing pillar crane poured pile base cushion cap foundation has reduced many.Between the combination steel bushing in reinforced concrete structure outside, by support component, be interconnected to form steel work part, with this reinforced concrete structure synergy, separate a few foundation stakes are connected in aggregates, the load that their shared pillar crane are produced, without reinforced concrete pile cap is set on foundation pile, reduced basic floor space larger, and after building operations completes, after pillar crane is removed, steel work part can be removed and be reused, and can reduce basic construction cost.
Although by reference to the accompanying drawings the preferred embodiments of the present invention are described above; but the present invention is not limited to the above-mentioned specific embodiment; the above-mentioned specific embodiment is only schematic; be not restrictive; those of ordinary skill in the art is under enlightenment of the present invention; not departing from the scope situation that aim of the present invention and claim protect, can also make a lot of forms, within these all belong to protection scope of the present invention.
Claims (4)
1. a job practices for steel structure combined tower crane foundation, is characterized in that, comprises the following steps:
One) according to the pillar crane fixedly position of lower margin and quantity construction foundation pile, pre-buried primary antibodie shear-steel post in foundation pile every described, the stake top of described foundation pile is stretched out on the top of described shearing resistance steel column; By described pillar crane, fixedly the bottom of lower margin and the top of described shearing resistance steel column are fixed together;
Two) on the stake top of foundation pile every described, the vertical muscle of colligation and stirrup form reinforcing cage and combine steel bushing in this reinforcing cage outer setting one, and described combination steel bushing is formed by releasable connection by two lobes; By between two adjacent described combination steel bushings, support component being set, all described combination steel bushings are joined together to form to steel work part; It between described support component and described combination steel bushing, is releasable connection; By tower crane foundation joint and pillar crane fixedly lower margin link together;
Three) in described combination steel bushing, concreting, to the end face of described combination steel bushing, has completed basic construction after the reinforced concrete structure in described combination steel bushing reaches design strength.
2. the job practices of steel structure combined tower crane foundation according to claim 1, is characterized in that, the diameter of reinforced concrete structure in described combination steel bushing is identical with the diameter of foundation pile.
3. the job practices of steel structure combined tower crane foundation according to claim 1, is characterized in that, described combination steel bushing is provided with annular stiffening rib outward.
4. the job practices of steel structure combined tower crane foundation according to claim 1, is characterized in that, the described pillar crane fixedly bottom of lower margin and the top of described shearing resistance steel column is fixed together by horizontally disposed junction plate.
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| CN201310499727.4A CN103526772A (en) | 2013-10-22 | 2013-10-22 | Construction method of steel-structure combined base of tower crane |
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| CN201310499727.4A CN103526772A (en) | 2013-10-22 | 2013-10-22 | Construction method of steel-structure combined base of tower crane |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105421476A (en) * | 2015-11-30 | 2016-03-23 | 中国建筑第八工程局有限公司 | Construction method for installing tower crane embedded parts on raft foundation and installation structure |
| CN105421478A (en) * | 2015-10-30 | 2016-03-23 | 北京思创佳德桩工机械制造有限公司 | Combined tower crane foundation and construction method thereof |
| CN106567402A (en) * | 2016-10-19 | 2017-04-19 | 上海二十冶建设有限公司 | Hillside tower crane foundation construction device and construction method thereof |
| CN107558607A (en) * | 2017-09-20 | 2018-01-09 | 中国建筑第八工程局有限公司 | Tower crane system and its construction method on existing concrete structure |
| CN110424445A (en) * | 2019-08-22 | 2019-11-08 | 中交路桥北方工程有限公司 | Independent derrick crane pedestal |
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| CN1844591A (en) * | 2005-04-06 | 2006-10-11 | 天津一建机施钢结构工程有限公司 | Tower crane foundation with stiffened steel structure |
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2013
- 2013-10-22 CN CN201310499727.4A patent/CN103526772A/en active Pending
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| JP2000248632A (en) * | 1999-03-03 | 2000-09-12 | Kumagai Gumi Co Ltd | Floor climbing method of tower crane |
| CN1844591A (en) * | 2005-04-06 | 2006-10-11 | 天津一建机施钢结构工程有限公司 | Tower crane foundation with stiffened steel structure |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105421478A (en) * | 2015-10-30 | 2016-03-23 | 北京思创佳德桩工机械制造有限公司 | Combined tower crane foundation and construction method thereof |
| CN105421476A (en) * | 2015-11-30 | 2016-03-23 | 中国建筑第八工程局有限公司 | Construction method for installing tower crane embedded parts on raft foundation and installation structure |
| CN106567402A (en) * | 2016-10-19 | 2017-04-19 | 上海二十冶建设有限公司 | Hillside tower crane foundation construction device and construction method thereof |
| CN107558607A (en) * | 2017-09-20 | 2018-01-09 | 中国建筑第八工程局有限公司 | Tower crane system and its construction method on existing concrete structure |
| CN107558607B (en) * | 2017-09-20 | 2020-03-20 | 中国建筑第八工程局有限公司 | Tower crane system arranged on existing concrete structure and construction method thereof |
| CN110424445A (en) * | 2019-08-22 | 2019-11-08 | 中交路桥北方工程有限公司 | Independent derrick crane pedestal |
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Application publication date: 20140122 |