CN107299643A - Steel lattice column combined type tower crane foundation structure in foundation pit and construction method - Google Patents
Steel lattice column combined type tower crane foundation structure in foundation pit and construction method Download PDFInfo
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- CN107299643A CN107299643A CN201710557839.9A CN201710557839A CN107299643A CN 107299643 A CN107299643 A CN 107299643A CN 201710557839 A CN201710557839 A CN 201710557839A CN 107299643 A CN107299643 A CN 107299643A
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 141
- 239000010959 steel Substances 0.000 title claims abstract description 141
- 238000010276 construction Methods 0.000 title claims description 34
- 230000002787 reinforcement Effects 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 8
- 210000003205 muscle Anatomy 0.000 claims description 7
- 238000003466 welding Methods 0.000 claims description 6
- 238000009434 installation Methods 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 5
- 238000009412 basement excavation Methods 0.000 claims description 4
- 238000006073 displacement reaction Methods 0.000 claims description 3
- 230000000737 periodic effect Effects 0.000 claims description 3
- 238000009958 sewing Methods 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims description 2
- 238000011065 in-situ storage Methods 0.000 claims description 2
- 230000003014 reinforcing effect Effects 0.000 abstract description 3
- 101100460844 Mus musculus Nr2f6 gene Proteins 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 210000005069 ears Anatomy 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000010412 perfusion Effects 0.000 description 1
- 230000037452 priming Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
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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
- E02D27/32—Foundations for special purposes
- E02D27/42—Foundations for poles, masts or chimneys
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/32—Foundations for special purposes
- E02D27/44—Foundations for machines, engines or ordnance
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- General Life Sciences & Earth Sciences (AREA)
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- General Engineering & Computer Science (AREA)
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Abstract
The invention discloses a steel lattice column combined type tower crane foundation structure in a foundation pit, which comprises a foundation pit and a cast-in-place pile prefabricated at the bottom of the foundation pit, wherein the cast-in-place pile is sequentially connected with a steel lattice column, a steel column, a bearing platform and a tower crane embedded section foundation from bottom to top; the connecting section of the rear-mounted detachable hoop reinforcing pile and the steel lattice structure is adopted, so that the structural stability is improved; and a concrete core column is pre-assembled in the lattice column, so that the rigidity is increased.
Description
Technical field
Building engineering field of the present invention, and in particular to steel lattice column combined type tower-crane foundation structure and construction in a kind of foundation ditch
Method.
Background technology
With developing rapidly for 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 being improved 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, the basic majority of the domestic derrick crane (hereinafter referred to as tower crane) used is provided according to tower crane specification
Equipment Foundations organizing construction, due to the demand difference and the difference of place geological state of job site, the tower crane of same model
Using identical foundation for tower crane, great waste is often resulted in, has been unfavorable for environmental protection and energy saving, while also increasing 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 need for 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.
The content of the invention
, can it is an object of the invention to provide steel lattice column combined type tower-crane foundation structure and construction method in a kind of foundation ditch
The problems such as improving the high cost caused by traditional tower crane uses identical basis for different tower cranes, construct difficult, utilizes
The hollow hollow cushion cap of assembled is from heavy and light, with being solved the features such as material is few, constructing operation facilitates, tower crane difficulty of construction is big etc. to ask
Topic, with preferable technical economic benefit.
For up to above-mentioned purpose, major technique solution of the invention there is provided steel lattice column combined type in a kind of foundation ditch
Tower-crane foundation structure, including the bored concrete pile that foundation ditch and foundation ditch bottom are prefabricated with, bored concrete pile be sequentially connected with from down to up steel lattice column,
Steel column, cushion cap and the pre-buried section of tower crane are basic, are provided with steel lattice column in concrete-core column, bored concrete pile provided with many of composition steel reinforcement cage
Muscle is indulged in pile, steel lattice column is welded and fixed with the steel reinforcement cage in bored concrete pile, and 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.
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
Support, more consolidated provided with oblique truss support and horizontal truss between post, 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.
Present invention also offers a kind of construction method of steel lattice column combined type tower-crane foundation structure in foundation ditch, its feature exists
In comprising the following steps：
1) selection and positioning of tower crane model：It is determined that meeting the construction need of job site transport, lifting and operating radius
The tower crane position location of construction demand is determined rationally and met in the tower crane model asked, foundation ditch at the construction field (site)；
2) steel lattice column makes：Make four limbs angle steel lattice column, central hollow, using steel plate or angle steel as sewing part；
3) bored pile construction：Concrete direct pipe method pouring underwater concrete is used at the position that tower crane is positioned
Make and indulge muscle composition steel reinforcement cage in bored concrete pile, bored concrete pile in pre-buried many piles；
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 progress that the welding section of stake installs removable anchor ear is reinforced, and sealing piece is set on each angle steel of steel lattice column；
5) concrete-core column is constructed：Prefabricated concrete-core column and steel lattice column are bolted 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
Fixed steel disc at the top of portion, steel lattice column, steel disc is 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 is used：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 is installed and during earth excavation.
The step 6) in cushion cap be armored concrete formula cushion cap, the pre-buried section basis of tower crane, which is embedded in pour in cushion cap, applies
Work.
The characteristics of present invention has following and beneficial effect：
(1) using the hollow hollow cushion cap of assembled from heavy and light, with solving tower crane the features such as material is few, constructing operation facilitates
The problems such as difficulty of construction is big, with preferable technical economic benefit；
(2) removable anchor ear reinforcing pile and the linkage section of steel latticework are filled after using, structural stability is added；
(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 one embodiment of the invention；
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 vertical muscle, 19. fixing bolts in part, 18..
Embodiment
Tower crane construction technical requirement, the present invention is not repeated, and emphasis illustrates structure of the present invention.
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 has 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, bored concrete pile 1 provided with many piles for constituting steel reinforcement cage
Interior vertical muscle 18, steel lattice column 6 is 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 is fastened
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
Provided with oblique truss support 7 and horizontal truss support 8 between structure post 6 and bored concrete pile 1, steel lattice column 6, more consolidate, 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 pre- cushion cap 9 of nuzzling of the steel column 15, the pre-buried section of tower crane is embedded in cushion cap 9 in advance.
As shown in figure 8, present invention also offers a kind of construction party of the combined type tower-crane foundation structure of steel lattice column in foundation ditch 6
Method, it is characterised in that comprise the following steps：
1) selection and positioning of tower crane model：It is determined that meeting the construction need of job site transport, lifting and operating radius
The tower crane position location of construction demand is determined rationally and met in the tower crane model asked, foundation ditch at the construction field (site)；
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：Coagulation under concrete direct pipe method priming petock is used at the position that tower crane is positioned
Soil, which makes, indulges the composition steel reinforcement cage of muscle 18 in pre-buried many piles in bored concrete pile 1, bored concrete pile 1；
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 progress that the welding section of bored concrete pile 1 installs removable anchor ear 2 is reinforced, 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 and steel lattice column 6 are bolted 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 and the pre-buried bolt of section basis 10 of tower crane or bolt-weld joint；
7) tower crane installation is used：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 and displacement observation point in the top surface corner of cushion cap 9, and do original note
Record, periodic observation and is recorded after tower crane installation and during earth excavation.
The step 6) in cushion cap 9 be armored concrete formula cushion cap 9, the pre-buried section basis of tower crane 10 is embedded in cushion cap 9
Pouring construction.
The present invention is using the hollow hollow cushion cap 9 of assembled from heavy and light, with solving tower crane the features such as material is few, constructing operation facilitates
The problems such as foundation construction difficulty is big, with preferable technical economic benefit；The removable reinforcing pile of anchor ear 2 and steel latticework are filled after
Linkage section, add structural stability；Prewired concrete-core column 5 is filled after in lattice column, increases rigidity.
Claims (6)
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 be provided with steel lattice column (6) in concrete-core column (5), bored concrete pile (1) provided with many of composition 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), which is corner, multiple sews part provided with being fixedly connected between four angle steel (16) and two angle steel (16) of same side
(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
Provided with oblique truss support (7) and horizontal truss support (8) 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).
5. the construction method of steel lattice column combined type tower-crane foundation structure in a kind of foundation ditch, it is characterised in that comprise the following steps：
1) selection and positioning of tower crane model：It is determined that meet the construction demand of job site transport, lifting and operating radius
The tower crane position location of construction demand is determined rationally and met in tower crane model, foundation ditch at the construction field (site)；
2) steel lattice column (6) makes：Make four limbs angle steel lattice column (6), central hollow, using steel plate or angle steel as sewing part
(17)；
3) cast-in-situ bored pile (1) is constructed：Concrete direct pipe method pouring underwater concrete is used at the position that tower crane is positioned
Make and indulge muscle (18) composition steel reinforcement cage in bored concrete pile (1), bored concrete pile (1) in pre-buried many piles；
4) steel lattice column (6) is constructed：Steel lattice column (6) is welded and fixed through foundation ditch bottom (11) with steel reinforcement cage, in steel lattice column
(6) progress for installing removable anchor ear (2) with the welding section of bored concrete pile (1) is reinforced, on each angle steel (16) of steel lattice column (6)
Sealing piece (4) is set；
5) concrete-core column (5) is constructed：Prefabricated concrete-core column (5) and steel lattice column (6) are passed through into fixing bolt (19) bolt
Connect；
6) the pre-buried section of tower crane basic (10) and cushion cap (9) construction：Steel column (15) is fixed on cushion cap (9) bottom, by terminal pad
(14) fixed steel disc at the top of steel column (15) bottom, steel lattice column (6) is fixed on, steel disc is connected with terminal pad (14), and cushion cap (9) is
Steel truss type cushion cap (9), tower crane and tower crane pre-buried section basic (10) bolt or bolt-weld joint；
7) tower crane installation is used：When the pre-buried section of tower crane basic (10) reaches more than 80% design strength, in the pre-buried section base of tower crane
Plinth installs tower crane on (10)；
8) tower crane pre-buried section basic (10) detection：Settled and displacement observation point in cushion cap (9) top surface corner, and do original note
Record, periodic observation and is recorded after tower crane installation and during earth excavation.
6. the construction method of steel lattice column combined type tower-crane foundation structure in foundation ditch according to claim 5, its feature exists
In the step 6) in cushion cap (9) be armored concrete formula cushion cap (9), the pre-buried section of tower crane basic (10) is embedded in cushion cap (9)
Middle pouring construction.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710557839.9A CN107299643B (en) | 2017-07-10 | 2017-07-10 | Steel lattice column combined type tower crane foundation structure in foundation pit and construction method |
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|---|---|---|---|
| CN201710557839.9A CN107299643B (en) | 2017-07-10 | 2017-07-10 | Steel lattice column combined type tower crane foundation structure in foundation pit and construction method |
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| CN107299643A true CN107299643A (en) | 2017-10-27 |
| CN107299643B CN107299643B (en) | 2019-03-29 |
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Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107780533A (en) * | 2017-11-23 | 2018-03-09 | 华东建筑设计研究院有限公司 | A kind of vertical support steel lattice column and prefabricated pile jointing |
| CN108239975A (en) * | 2018-03-15 | 2018-07-03 | 天津建城基业集团有限公司 | A kind of combined type foundation pit supporting pile and a kind of combined type pattern foundation pit supporting structure mode |
| CN108277818A (en) * | 2018-03-22 | 2018-07-13 | 中国电建市政建设集团有限公司 | Basement top-down method Combined tower crane foundation structure and construction method |
| CN109577360A (en) * | 2018-12-04 | 2019-04-05 | 江苏兴厦建设工程集团有限公司 | A kind of derrick crane is inverse to make steel lattice column foundation construction method |
| CN109775586A (en) * | 2019-03-14 | 2019-05-21 | 安徽宏志建设工程有限责任公司 | A kind of removable steel hoop pile derrick crane |
| CN110005193A (en) * | 2019-03-27 | 2019-07-12 | 中建三局集团有限公司 | A kind of shuttering supporting mechanism of high-precision concrete roof |
| CN110067248A (en) * | 2019-05-21 | 2019-07-30 | 中铁建设集团有限公司 | Elevator system and construction method suitable for deep basal pit load-carrying vehicle vertical transport |
| CN110387899A (en) * | 2019-07-30 | 2019-10-29 | 宁波建工建乐工程有限公司 | A kind of fixed device of the pre-buried section of soft soil foundation large scale tower crane |
| CN111058472A (en) * | 2019-12-10 | 2020-04-24 | 南通庞源机械工程有限公司 | Tower crane foundation and reinforcing construction installation method thereof |
| CN111809647A (en) * | 2020-06-04 | 2020-10-23 | 陕西建工第六建设集团有限公司 | Connection structure of lattice column and concrete cushion cap foundation |
| CN112343077A (en) * | 2020-11-30 | 2021-02-09 | 中天建设集团有限公司 | High-pile bearing platform tower footing reinforcing construction method for improving reliability and reinforcing structure thereof |
| CN113323010A (en) * | 2021-05-17 | 2021-08-31 | 宇旺建工集团有限公司 | Construction method of embedded tower crane foundation |
| CN113338551A (en) * | 2020-09-30 | 2021-09-03 | 中国建筑第二工程局有限公司 | Steel structure roof equipment supporting system and construction method |
| CN113605437A (en) * | 2021-07-16 | 2021-11-05 | 江苏富源广建设发展有限公司 | Steel lattice column for bearing platform type tower crane foundation |
| CN113605439A (en) * | 2021-08-06 | 2021-11-05 | 江苏富源广建设发展有限公司 | Lattice steel bearing platform type tower crane foundation |
| CN113718786A (en) * | 2021-07-22 | 2021-11-30 | 东南大学 | Deep foundation pit supporting structure applying space combination structure and construction method thereof |
| CN114703887A (en) * | 2022-04-29 | 2022-07-05 | 中国十九冶集团有限公司 | Construction method of high-pile bearing platform tower crane foundation |
| CN114960731A (en) * | 2022-04-07 | 2022-08-30 | 浙江国丰集团有限公司 | Embedded and nested combined tower crane section foundation and construction method |
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Cited By (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107780533A (en) * | 2017-11-23 | 2018-03-09 | 华东建筑设计研究院有限公司 | A kind of vertical support steel lattice column and prefabricated pile jointing |
| CN108239975A (en) * | 2018-03-15 | 2018-07-03 | 天津建城基业集团有限公司 | A kind of combined type foundation pit supporting pile and a kind of combined type pattern foundation pit supporting structure mode |
| CN108277818A (en) * | 2018-03-22 | 2018-07-13 | 中国电建市政建设集团有限公司 | Basement top-down method Combined tower crane foundation structure and construction method |
| CN109577360A (en) * | 2018-12-04 | 2019-04-05 | 江苏兴厦建设工程集团有限公司 | A kind of derrick crane is inverse to make steel lattice column foundation construction method |
| CN109775586A (en) * | 2019-03-14 | 2019-05-21 | 安徽宏志建设工程有限责任公司 | A kind of removable steel hoop pile derrick crane |
| CN109775586B (en) * | 2019-03-14 | 2023-11-03 | 安徽宏志建设集团有限公司 | Detachable steel hoop pile column tower crane |
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| CN110067248A (en) * | 2019-05-21 | 2019-07-30 | 中铁建设集团有限公司 | Elevator system and construction method suitable for deep basal pit load-carrying vehicle vertical transport |
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