CN207176719U - Steel lattice column combined type tower-crane foundation structure in a kind of foundation ditch - Google Patents

Steel lattice column combined type tower-crane foundation structure in a kind of foundation ditch Download PDF

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Publication number
CN207176719U
CN207176719U CN201720827619.9U CN201720827619U CN207176719U CN 207176719 U CN207176719 U CN 207176719U CN 201720827619 U CN201720827619 U CN 201720827619U CN 207176719 U CN207176719 U CN 207176719U
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steel
column
lattice column
steel lattice
concrete pile
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CN201720827619.9U
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王新泉
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ZHEJIANG NEW DAWN CONSTRUCTION CO., LTD.
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Hangzhou Jiangrun Technology Co Ltd
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Abstract

The utility model discloses steel lattice column combined type tower-crane foundation structure in a kind of foundation ditch, the bored concrete pile being prefabricated with including foundation ditch and foundation ditch bottom, bored concrete pile has been sequentially connected with steel lattice column from down to up, steel column, cushion cap and the pre-buried section basis of tower crane, concrete-core column is provided with steel lattice column, it is provided with bored concrete pile in the more piles for forming steel reinforcement cage and indulges muscle, steel lattice column is welded and fixed with the steel reinforcement cage in bored concrete pile, the welding section of bored concrete pile and steel lattice column is fastened with removable anchor ear, removable anchor ear is fixed by anchor ear bolt, using the hollow hollow cushion cap of assembled from heavy and light, it is few with material, the features such as constructing operation facilitates solves the problems such as tower crane difficulty of construction is big, with preferable technical economic benefit;Removable anchor ear reinforcing pile and the linkage section of steel latticework are filled after, adds structural stability;Prewired concrete-core column is filled after in lattice column, increases rigidity.

Description

Steel lattice column combined type tower-crane foundation structure in a kind of foundation ditch
Technical field
A kind of the utility model building engineering field, and in particular to steel lattice column combined type tower-crane foundation structure in foundation ditch.
Background technology
With the rapid development of national economy, the communication technology and control technology, all kinds of high-rise, high-rise buildings and large-scale build The rise of engineering is built, the monitoring technology of derrick crane is also improving constantly, and to lifting altitude, plays liter weight, carriage amplitude varying width Degree, wind speed and hoisting moment etc. require increasing, using more and more wider in modernization building building construction process.
At present, domestic derrick crane (hereinafter referred to as tower crane) basic majority used is provided according to tower crane specification Equipment Foundations organizing construction, because the demand of job site is different and the difference of place geological state, the tower crane of same model Using identical foundation for tower crane, great waste has been often resulted in, has been unfavorable for environmental protection and energy saving, while also increase cost.Meanwhile Tower crane is as most important vertically and horizontally transporting equipment in construction process, in some skyscrapers due to basement foundation ditch Relatively deep, the construction period is again relatively tight, particularly the needs of some liftings, it usually needs tower crane is arranged in basement foundation ditch, because This will use tower crane in excavation of foundation pit, and this just brings a series of technical problem to foundation for tower crane design and construction.
Utility model content
The purpose of this utility model is to provide steel lattice column combined type tower-crane foundation structure in a kind of foundation ditch, can improve biography Unite tower crane for different tower cranes use identical basis caused by high cost, construction it is difficult the problems such as, utilize assembled Hollow hollow cushion cap solves the problems such as tower crane difficulty of construction is big from heavy and light, with the features such as material is few, constructing operation facilitates, and has Preferable technical economic benefit.
For the above-mentioned purpose, major technique solution of the present utility model there is provided steel lattice column in a kind of foundation ditch and answer Box-like tower-crane foundation structure, including the bored concrete pile that foundation ditch and foundation ditch bottom are prefabricated with, bored concrete pile have been sequentially connected with steel lattice from down to up Structure post, steel column, cushion cap and the pre-buried section basis of tower crane, steel lattice column is interior to be provided with concrete-core column, is provided with bored concrete pile and forms reinforcing bar Muscle is indulged in more piles of cage, steel lattice column is welded and fixed with the steel reinforcement cage in bored concrete pile, the welding section of bored concrete pile and steel lattice column Removable anchor ear is fastened with, removable anchor ear is fixed by anchor ear bolt.
The steel lattice column is that corner is multiple provided with being fixedly connected between four angle steel and two angle steel of same side Sew the rectangle column construction of part.
The cushion cap is connected with four steel columns, and each steel column has been sequentially connected with a steel lattice column and bored concrete pile, steel latticework Oblique truss support is provided between post and horizontal truss supports, more firm, the cushion cap holds for the steel truss type of hollow hollow Platform or armored concrete formula cushion cap.
Steel plate is fixed with the top of the steel lattice column, steel column bottom is fixed with the terminal pad being bolted with steel plate.
The steel column is nuzzled cushion cap in advance, and the pre-buried section of tower crane is embedded in cushion cap in advance.
The utility model additionally provides a kind of construction method of steel lattice column combined type tower-crane foundation structure in foundation ditch, and it is special Sign is, comprises the following steps:
1) selection and positioning of tower crane model:It is determined that meet the construction need of job site transport, lifting and operating radius The tower crane model asked, determine rationally in foundation ditch at the construction field (site) and meet the tower crane position location of construction demand;
2) steel lattice column makes:Four limbs angle steel lattice column is made, central hollow, is used as using steel plate or angle steel and sews part;
3) bored pile construction:Concrete direct pipe method pouring underwater concrete is used in the opening position of tower crane positioning Bored concrete pile is made, indulging muscle in pre-buried more piles in bored concrete pile forms steel reinforcement cage;
4) steel lattice column is constructed:Steel lattice column is welded and fixed through foundation ditch bottom with steel reinforcement cage, in steel lattice column and perfusion The removable anchor ear of welding section installation of stake reinforce, and sealing piece is set on each angle steel of steel lattice column;
5) concrete-core column is constructed:Prefabricated concrete-core column is bolted with steel lattice column by fixing bolt;
6) the pre-buried section basis of tower crane and bearing platform construction:Steel column is fixed on cushion cap bottom, terminal pad is fixed under steel column Portion, the fixed steel disc in steel lattice column top, steel disc are connected with terminal pad, and cushion cap is steel truss type cushion cap, tower crane and the pre-buried section of tower crane Basis bolt or bolt-weld joint;
7) tower crane installation uses:When the pre-buried section basis of tower crane reaches more than 80% design strength, in the pre-buried section base of tower crane Tower crane is installed on plinth;
8) the pre-buried section basis detection of tower crane:Settled in cushion cap top surface corner and displacement observation point, and do original record, tower Periodic observation and recorded after machine installation and during earth excavation.
Cushion cap in the step 6) is armored concrete formula cushion cap, and the pre-buried section basis of tower crane, which is embedded in pour in cushion cap, applies Work.
The utility model has the characteristics of following and beneficial effect:
(1) solves tower crane from heavy and light, with the features such as material is few, constructing operation facilitates using the hollow hollow cushion cap of assembled The problems such as difficulty of construction is big, there is preferable technical economic benefit;
(2) removable anchor ear reinforcing pile and the linkage section of steel latticework are filled after using, adds structural stability;
(3) prewired concrete-core column is filled after lattice column is interior, increases rigidity.
Brief description of the drawings
Fig. 1 is the structural representation of the embodiment of the utility model one;
Fig. 2 is the plane section figure of the steel lattice column in Fig. 1 embodiments;
Fig. 3 is steel lattice column, bored concrete pile and the connection diagram of removable anchor ear part in Fig. 1 embodiments;
Fig. 4 is the sealing piece schematic diagram in Fig. 1 embodiments;
Fig. 5 is steel lattice column and concrete-core column connection diagram in Fig. 1 embodiments;
Fig. 6 is the concrete bearing platform schematic diagram in Fig. 1 embodiments;
Fig. 7 is the steel truss type cushion cap in Fig. 1 embodiments;
Fig. 8 is the Specific construction flow chart in Fig. 1 embodiments;
In figure:1. bored concrete pile, 2. removable anchor ears, 3. anchor ear bolts, 4. sealing pieces, 5. concrete-core columns, 6. steel latticeworks Post, 7. oblique truss supports, the support of 8. horizontal truss, 9. cushion caps, the pre-buried section basis of 10. tower cranes, 11. foundation ditch bottoms, 12. steel plates, 13. bolt, 14. terminal pads, 15. steel columns, 16. angle steel, 17. sew part, and muscle, 19. fixing bolts are indulged in 18..
Embodiment
Tower crane construction technical requirement, the utility model are not repeated, and emphasis illustrates the structure that the utility model is related to.
As Figure 1-5, the combined type tower-crane foundation structure of steel lattice column 6 in a kind of foundation ditch described in the present embodiment, including The bored concrete pile 1 that foundation ditch and foundation ditch bottom 11 are prefabricated with, bored concrete pile 1 have been sequentially connected with steel lattice column 6, steel column 15, cushion cap 9 from down to up With the pre-buried section basis 10 of tower crane, steel lattice column 6 is interior to be provided with concrete-core column 5, and the more piles for forming steel reinforcement cage are provided with bored concrete pile 1 Interior vertical muscle 18, steel lattice column 6 are welded and fixed with the steel reinforcement cage in bored concrete pile 1, and the welding section of bored concrete pile 1 and steel lattice column 6 fastens There is removable anchor ear 2, removable anchor ear 2 is fixed by anchor ear bolt 3.
It is provided with as shown in Fig. 2 the steel lattice column 6 is corner between four angle steel 16 and two angle steel 16 of same side It is fixedly connected with multiple rectangle column constructions for sewing part 17.
As shown in Figure 6 and Figure 7, the cushion cap 9 is connected with four steel columns 15, and each steel column 15 has been sequentially connected with a steel lattice Structure post 6 and bored concrete pile 1, oblique truss support 7 and horizontal truss support 8 are provided between steel lattice column 6, it is more firm, it is described to hold Platform 9 is the steel truss type cushion cap 9 or armored concrete formula cushion cap 9 of hollow hollow.
The top of steel lattice column 6 is fixed with steel plate 12, and the bottom of steel column 15 is fixed with to be fixed with steel plate 12 by bolt 13 Terminal pad 14.
The steel column 15 is nuzzled cushion cap 9 in advance, and the pre-buried section of tower crane is embedded in cushion cap 9 in advance.
As shown in figure 8, the utility model additionally provides a kind of applying for the combined type tower-crane foundation structure of steel lattice column 6 in foundation ditch Work method, it is characterised in that comprise the following steps:
1) selection and positioning of tower crane model:It is determined that meet the construction need of job site transport, lifting and operating radius The tower crane model asked, determine rationally in foundation ditch at the construction field (site) and meet the tower crane position location of construction demand;
2) steel lattice column 6 makes:Make the lattice column 6 of four limbs angle steel 16, central hollow, using steel plate 12 or the conduct of angle steel 16 Sew part 17;
3) cast-in-situ bored pile 1 is constructed:The coagulation in the case where the opening position that tower crane positions uses concrete direct pipe method priming petock Soil makes bored concrete pile 1, and indulging muscle 18 in pre-buried more piles in bored concrete pile 1 forms steel reinforcement cage;
4) steel lattice column 6 is constructed:Steel lattice column 6 is welded and fixed through foundation ditch bottom 11 with steel reinforcement cage, steel lattice column 6 with The removable anchor ear 2 of welding section installation of bored concrete pile 1 reinforce, and sealing piece 4 is set on each angle steel 16 of steel lattice column 6;
5) concrete-core column 5 is constructed:Prefabricated concrete-core column 5 is bolted with steel lattice column 6 by fixing bolt 19;
6) the pre-buried section basis 10 of tower crane and cushion cap 9 are constructed:Steel column 15 is fixed on the bottom of cushion cap 9, terminal pad 14 is fixed In the bottom of steel column 15, the fixed steel disc in the top of steel lattice column 6, steel disc is connected with terminal pad 14, and cushion cap 9 is steel truss type cushion cap 9, tower Hang pre-buried with the tower crane bolt of section basis 10 or bolt-weld joint;
7) tower crane installation uses:When the pre-buried section basis 10 of tower crane reaches more than 80% design strength, in the pre-buried section of tower crane Tower crane is installed on basis 10;
8) the pre-buried section basis 10 of tower crane is detected:Settled in the top surface corner of cushion cap 9 and displacement observation point, and do original note Record, periodic observation and record after tower crane installation and during earth excavation.
Cushion cap 9 in the step 6) is armored concrete formula cushion cap 9, and the pre-buried section basis 10 of tower crane is embedded in cushion cap 9 Pouring construction.
The utility model solves using the hollow hollow cushion cap 9 of assembled from heavy and light, with the features such as material is few, constructing operation facilitates The problems such as tower crane difficulty of construction is big, there is preferable technical economic benefit;The removable reinforcing pile of anchor ear 2 and steel are filled after The linkage section of lattice, adds structural stability;Prewired concrete-core column 5 is filled after in lattice column, increases rigidity.

Claims (4)

1. steel lattice column combined type tower-crane foundation structure in a kind of foundation ditch, including the bored concrete pile that foundation ditch and foundation ditch bottom (11) are prefabricated with (1), bored concrete pile (1) has been sequentially connected with steel lattice column (6), steel column (15), cushion cap (9) and the pre-buried section basis of tower crane from down to up (10), it is characterised in that concrete-core column (5) is provided with steel lattice column (6), is provided with bored concrete pile (1) and forms the more of steel reinforcement cage Muscle (18) is indulged in pile, steel lattice column (6) is welded and fixed with the steel reinforcement cage in bored concrete pile (1), bored concrete pile (1) and steel lattice column (6) welding section is fastened with removable anchor ear (2), and removable anchor ear (2) is fixed by anchor ear bolt (3).
2. steel lattice column combined type tower-crane foundation structure in foundation ditch according to claim 1, it is characterised in that the steel lattice Structure post (6) is that corner is provided with to be fixedly connected between four angle steel (16) and two angle steel (16) of same side and multiple sews part (17) rectangle column construction.
3. steel lattice column combined type tower-crane foundation structure in foundation ditch according to claim 1, it is characterised in that the cushion cap (9) four steel columns (15) are connected with, each steel column (15) has been sequentially connected with a steel lattice column (6) and bored concrete pile (1), steel latticework Oblique truss support (7) and horizontal truss support (8) are provided between post (6), the cushion cap (9) is the steel truss type of hollow hollow Cushion cap (9) or armored concrete formula cushion cap (9).
4. steel lattice column combined type tower-crane foundation structure in foundation ditch according to claim 1, it is characterised in that the steel lattice Steel plate (12) is fixed with the top of structure post (6), steel column (15) bottom is fixed with passes through the fixed connection of bolt (13) with steel plate (12) Disk (14).
CN201720827619.9U 2017-07-10 2017-07-10 Steel lattice column combined type tower-crane foundation structure in a kind of foundation ditch Active CN207176719U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201720827619.9U CN207176719U (en) 2017-07-10 2017-07-10 Steel lattice column combined type tower-crane foundation structure in a kind of foundation ditch

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201720827619.9U CN207176719U (en) 2017-07-10 2017-07-10 Steel lattice column combined type tower-crane foundation structure in a kind of foundation ditch

Publications (1)

Publication Number Publication Date
CN207176719U true CN207176719U (en) 2018-04-03

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107299643A (en) * 2017-07-10 2017-10-27 杭州江润科技有限公司 Steel lattice column combined type tower crane foundation structure in foundation pit and construction method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107299643A (en) * 2017-07-10 2017-10-27 杭州江润科技有限公司 Steel lattice column combined type tower crane foundation structure in foundation pit and construction method
CN107299643B (en) * 2017-07-10 2019-03-29 杭州江润科技有限公司 Steel lattice column combined type tower crane foundation structure in foundation pit and construction method

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Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
CB03 Change of inventor or designer information
CB03 Change of inventor or designer information

Inventor after: Chen Fugen

Inventor after: Qi Yanli

Inventor after: Li Zhihong

Inventor before: Wang Xinquan

TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20180516

Address after: 315010 four four, Ling Qiao Road, Haishu District, Ningbo, Zhejiang.

Patentee after: ZHEJIANG NEW DAWN CONSTRUCTION CO., LTD.

Address before: 310015 room 1901, unit 3, 3 Wanda Commercial Center, Gongshu District, Hangzhou, Zhejiang.

Patentee before: Hangzhou Jiang Run Science and Technology Ltd.