CN215367379U - Lattice type tower crane foundation - Google Patents
Lattice type tower crane foundation Download PDFInfo
- Publication number
- CN215367379U CN215367379U CN202120623216.9U CN202120623216U CN215367379U CN 215367379 U CN215367379 U CN 215367379U CN 202120623216 U CN202120623216 U CN 202120623216U CN 215367379 U CN215367379 U CN 215367379U
- Authority
- CN
- China
- Prior art keywords
- tower crane
- lattice
- column
- bearing platform
- lattice column
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 229910000831 Steel Inorganic materials 0.000 claims description 33
- 239000010959 steel Substances 0.000 claims description 33
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 230000008093 supporting effect Effects 0.000 claims description 7
- 238000003466 welding Methods 0.000 claims description 7
- 210000003205 muscle Anatomy 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 21
- 238000009434 installation Methods 0.000 abstract description 5
- 230000002787 reinforcement Effects 0.000 description 18
- 238000009412 basement excavation Methods 0.000 description 5
- 238000005553 drilling Methods 0.000 description 5
- 239000010410 layer Substances 0.000 description 4
- 239000004575 stone Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 2
- 239000003673 groundwater Substances 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Images
Landscapes
- Piles And Underground Anchors (AREA)
Abstract
The application relates to a lattice tower crane foundation, which belongs to the technical field of tower crane engineering and comprises a tower crane bearing platform and filling piles positioned below the tower crane bearing platform, wherein at least three filling piles are arranged, vertical lattice columns are arranged between the tower crane bearing platform and the filling piles, the top ends of the lattice columns are inserted into the tower crane bearing platform and fixedly connected with the tower crane bearing platform, and the bottom ends of the lattice columns are fixedly lapped with the filling piles; and a bottom plate is poured above the cast-in-place pile. The lattice tower crane foundation of this application carries out the construction and the tower crane installation of tower crane cushion cap earlier before the earthwork excavates to make the tower crane get into the operation stage in advance, shorten construction period.
Description
Technical Field
The application relates to the field of tower crane engineering, in particular to a lattice type tower crane foundation.
Background
The tower crane is the most common hoisting equipment on the construction site, can be lengthened section by section, and is used for hoisting raw materials such as reinforcing steel bars, wood ridges, concrete, steel pipes and the like for construction. The tower crane is an indispensable device on a construction site. Generally, a bottom tower crane foundation needs to be constructed first, and then a tower body needs to be installed. The tower crane has large self weight and can reach dozens of meters in height, so that the requirement on the quality of the foundation is high, and the safe and normal operation of construction is ensured.
Traditional tower crane foundation construction adopts the bored concrete pile to combine basic cushion cap, and the bored concrete pile of being under construction earlier, later excavates to the bottom plate standard along with the earthwork and carries out basic cushion cap construction, and the construction of basic cushion cap is finished the back and is installed the tower crane and carry out normal operation, and the earthwork is excavated to the material of tower crane during can the normal use and is transported work and need arrange other mechanical equipment and accomplish, leads to the efficiency of construction slower.
SUMMERY OF THE UTILITY MODEL
In order to shorten the construction time of tower crane operation in advance, reduce the construction period, this application provides a lattice tower crane basis.
The application provides a lattice tower crane foundation adopts following technical scheme:
a lattice tower crane foundation comprises a tower crane bearing platform and filling piles located below the tower crane bearing platform, wherein at least three filling piles are arranged, vertical lattice columns are arranged between the tower crane bearing platform and the filling piles, the top ends of the lattice columns are inserted into the tower crane bearing platform and fixedly connected with the tower crane bearing platform, and the bottom ends of the lattice columns are fixedly lapped with the filling piles; and a bottom plate is poured above the cast-in-place pile.
By adopting the technical scheme, when the tower crane foundation is constructed, firstly, the hole is formed, the reinforcement cage and the lattice column are placed, then concrete is poured to complete the bottom support construction of the tower crane bearing platform, then the tower crane bearing platform is constructed at the top end of the lattice column, and a tower crane is installed for hoisting operation; finally, carrying out earth excavation construction of the bottom plate; the installation operation of the tower crane is completed before the earth excavation, so that the tower crane enters a use state in advance, the lifting speed of raw materials is improved, and the construction period can be effectively saved; the lower part of the lattice column is inserted into the filling pile to be fixedly lapped with the filling pile and the top of the lattice column is anchored into the tower crane bearing platform, the lattice column can stably support the tower crane bearing platform, and the overall stability of the tower crane bearing platform is improved.
Preferably, the outer side wall of the part of the lattice column inserted into the tower crane bearing platform is welded with criss-cross horizontal connecting ribs, the inner weld of the lattice column is welded with vertical connecting ribs which upwards extend out of the lattice column, and the top end of each vertical connecting rib is bent.
By adopting the technical scheme, when the tower crane bearing platform is constructed, the steel bars welded on the lattice column are connected with the steel bars of the tower crane bearing platform, and then the tower crane bearing platform is poured, so that the connection strength of the lattice column and the tower crane bearing platform is higher, and the stability of the tower crane bearing platform is ensured.
Preferably, the outer side wall of the upper part of the lattice column is fixedly connected with a steel support assembly for supporting a tower crane bearing platform.
By adopting the technical scheme, the tower crane bearing platform is supported, the contact area of the lattice column and the tower crane bearing platform is increased, and the supporting effect of the lattice column on the tower crane bearing platform is improved.
Preferably, the steel support assembly comprises a bearing steel plate which is sleeved on the lattice column and welded with the lattice column, and a rib plate which is fixedly connected with the bottom surface of the bearing steel plate and welded with the lattice column.
Through adopting above-mentioned technical scheme, the intensity of bearing steel sheet can be strengthened to the floor.
Preferably, the lattice column comprises lattice main boards and lacing plates, the lattice main boards are four angle steels which are enclosed to form a square, and the adjacent lattice main boards are connected into a whole by using a plurality of lacing plates.
Through adopting above-mentioned technical scheme, utilize the batten plate to connect four angle bar type lattice mainboards, form complete lattice column, intensity is big, and stability is high, can play effective support to tower machine cushion cap.
Preferably, the lattice columns are connected by using inter-column supports which are horizontally and/or obliquely arranged.
Through adopting above-mentioned technical scheme, increase the stability of lattice column, prevent that lattice column from taking place to rock.
Preferably, pile top concrete hoops for connecting the ends of the cast-in-place piles are poured at the pile top elevations of the cast-in-place piles.
By adopting the technical scheme, the cast-in-place pile is connected into a whole by the pile top concrete hoop, and the stability of the tower crane foundation is higher.
Preferably, a water stop steel plate welded on the lattice column is arranged in the bottom plate.
Through adopting above-mentioned technical scheme, avoid groundwater to flow through the gap between bottom plate and the lattice column upward in the work progress.
Preferably, the overlapping length of the lattice column and the cast-in-place pile is not less than 3 m.
Through adopting above-mentioned technical scheme, guarantee the joint strength between lattice column and the bored concrete pile, make lattice column and bored concrete pile's wholeness stronger.
Preferably, the number of the cast-in-place piles is four.
By adopting the technical scheme, the bottom support of the tower crane bearing platform is more stable.
In summary, the lattice column is additionally arranged between the filling pile and the tower crane bearing platform to form a tower crane foundation system consisting of the filling pile, the lattice column and the tower crane bearing platform, the installation work of the tower crane is completed before the earthwork excavation, and the tower bridge enters the operation in advance, so that the construction period is favorably shortened; the lattice column is inserted into the tower crane bearing platform, and the horizontal connecting ribs and the vertical connecting ribs are welded on the lattice column, so that the connection between the lattice column and the tower crane bearing platform is enhanced, and the tower crane bearing platform is more stable; the water stop steel plate between the lattice column and the bottom plate can stop the water flow of the underground water, and the waterproof capacity of the bottom plate is improved.
Drawings
FIG. 1 is a schematic diagram of a lattice tower crane foundation of the embodiment of the present application.
Fig. 2 is a schematic structural diagram of a lattice column of the lattice tower crane foundation of the embodiment of the present application.
Fig. 3 is a schematic view of a connection structure of lattice columns and a reinforcement cage of the lattice tower crane foundation of the embodiment of the application.
Fig. 4 is a schematic view of a connection structure of a tower crane bearing platform and lattice columns of the lattice tower crane foundation according to the embodiment of the present application.
Fig. 5 is a partially enlarged schematic view of a portion a in fig. 4.
Fig. 6 is a schematic structural diagram of the top of a lattice column of the lattice tower crane foundation according to the embodiment of the present application.
FIG. 7 is a front view of the lattice tower crane foundation of the embodiment of the present application.
Description of reference numerals: 1. a tower crane bearing platform; 2. a lattice column; 21. a lattice motherboard; 22. a batten plate; 23. supporting among the columns; 3. filling piles; 31. a reinforcement cage; 4. a steel bracket component; 41. supporting a steel plate; 42. a rib plate; 5. a base plate; 51. a water stop steel plate; 6. pile top concrete hoop; 7. horizontally connecting ribs; 8. and (5) vertical connecting ribs.
Detailed Description
The present application is described in further detail below with reference to figures 1-7.
The embodiment of the application discloses lattice tower crane basis. Referring to fig. 1 and 2, the lattice tower crane foundation comprises a tower crane bearing platform 1, lattice columns 2 located below the tower crane bearing platform 1 and cast-in-place piles 3. The tower crane is arranged on the top surface of the tower crane bearing platform 1.
The tower crane bearing platform 1 is formed by pouring concrete. The tower crane bearing platform 1 is horizontally arranged. The tower crane bearing platform 1 is fixed at the top ends of four lattice columns 2 which enclose a square.
The length of the lattice column 2 is 8.5 m. The lattice column 2 includes a lattice main plate 21 and a gusset plate 22. The lattice main board 21 is an angle steel. The latticed main board 21 is provided with four pieces and is 8.5m in length. The four lattice main boards 21 are connected with each other by a plurality of batten boards 22 spaced along the length direction of the lattice main boards 21 to form a stable whole.
The adjacent lattice columns 2 are connected by horizontal and diagonal inter-column supports 23. The inter-column supports 23 are made of angle steel and are welded to the lattice columns 2. Wherein the obliquely arranged inter-post supports 23 are scissors supports. In order to increase the support stability of the lattice columns 2, the diagonally opposite lattice columns 2 are likewise connected by means of inter-column supports 23.
Referring to fig. 1 and 3, cast-in-place pile 3 has a length of 27.5 m. The diameter of the cast-in-place pile 3 is 800 mm. The cast-in-place pile 3 adopts a cylindrical reinforcement cage 31. The reinforcement cage 31 is formed by welding a main reinforcement and a spiral stirrup. The main reinforcement adopts C25 steel bar, and the spiral stirrup is phi 10@ 200. The main reinforcement is arranged on the inner side of the spiral stirrup. The top and the bottom of the reinforcement cage 31 are respectively provided with an encrypted section of the welding stiffening stirrup. The pile body of the cast-in-place pile 3 is cast by C35 concrete, and the thickness of the reinforcing steel bar protective layer is 50 mm.
The reinforcement cage 31 is located below the lattice column 2. The lattice column 2 is inserted into the reinforcement cage 31 and welded to the reinforcement cage 31. During welding, the main reinforcement of the reinforcement cage 31 is welded with the latticed main board 21, and the connection reinforcement is respectively welded with the reinforcement cage 31 and the latticed main board 21. The overlapping length of the lattice column 2 and the reinforcement cage 31 is at least 3 m.
Referring to fig. 4, 5, 6, the top of the lattice column 2 is inserted into the tower crane cap 1. And a steel support component 4 is arranged on the outer side of the upper part of the lattice column 2. The steel bracket component 4 comprises a bearing steel plate 41 sleeved on the lattice column 2. The support steel plate 41 is welded to the lattice column 2. The top surface of the bearing steel plate 41 is tightly attached to the tower crane bearing platform 1. A rib plate 42 welded to the support steel plate 41 and the lattice column 2 is provided below the support steel plate 41. The steel support component 4 plays a certain supporting role for the tower crane bearing platform 1.
The outer side surface of the part of the lattice column 2 inserted into the tower crane bearing platform 1 is welded with criss-cross horizontal connecting ribs 7. The inside welding of lattice column 2 has the vertical splice bar 8 that upwards stretches out lattice column 2. The top end of the vertical connecting rib 8 is bent outwards to form an elbow. The connection strength of the lattice column 2 and the tower crane bearing platform 1 can be enhanced by the arrangement of the horizontal connection ribs 7 and the vertical connection ribs 8.
Referring to fig. 7, pile top concrete hoops 6 for connecting the ends of a plurality of cast-in-place piles 3 are cast on the outer sides of the top ends of the cast-in-place piles 3. The pile top concrete hoop 6 connects the cast-in-place pile 3 into a whole, so that the stability is higher. And paving a soil and stone chip layer on the top surface of the pile top concrete hoop 6 and compacting. Horizontal inter-column supports 23 connecting adjacent lattice columns 2 are arranged in the earth and stone debris layer. The pile top concrete hoops 6 and the inter-column supports 23 further reinforce the bottom of the lattice column 2. The arrangement of the horizontal inter-column supports 23 also ensures that the lower section of the lattice column 2 cannot incline due to the extrusion of soil in the earth excavation process, and the stability of the lattice column 2 is further improved.
And a bottom plate 5 is poured on the top surface of the earth and stone chip layer. The earth and stone chip layer is mainly used for filling the gap between the bottom plate 5 and the pile top concrete hoop 6. The elevation of the bottom plate 5 is above the cast-in-place pile 3, so that the pile head treatment is performed before the bottom plate 5 is poured, and the pile head cleaning time is saved. And in the construction process, the horizontal inter-column support 23 at the bottom of the lattice column 2 and the pile top concrete hoop 6 are reserved.
The part of the outer side wall of the lattice column 2, which is positioned in the bottom plate 5, is welded with a water stop steel plate 51. The part of the inter-column support 23 penetrating through the bottom plate 5 is welded with a water stop steel plate 51 (not shown in the figure), so that the groundwater is prevented from flowing upwards through gaps in the construction process.
The implementation principle of a lattice tower crane foundation in the embodiment of the application is as follows: firstly, drilling by using a drilling machine, stopping drilling until the drilling reaches the designed elevation, then putting the welded latticed column 2 and the reinforcement cage 31 into the drilling hole, and pouring concrete to form a cast-in-place pile 3 at the bottom; constructing a tower crane bearing platform 1 at the top end of the lattice column 2, and then carrying out tower crane installation operation, wherein the tower crane enters a normal use stage; and excavating the earth, supporting 23 between the welding columns along with excavation, constructing the pile top concrete hoop 6 when the end head of the cast-in-place pile 3 is excavated, and finally pouring the bottom plate 5 above the pile top concrete hoop 6.
The lattice tower crane foundation of this application carries out the construction and the tower crane installation of tower crane cushion cap 1 before the earthwork excavates to make the tower crane get into the operation stage in advance, shorten construction period.
In this application embodiment insert bored concrete pile 3 with the bottom of lattice column 2 in, and 3 pile bolck concreted pile bolck hoops 6 and set up horizontal intercolumnar at the top of lattice column 2 and support 23 at 3 pile bolck of bored concrete pile, make the bottom of lattice column 2 more firm and stable, insert in tower crane cushion cap 1 and fixed horizontal connection muscle 7 and vertical connecting muscle 8 at 2 tops of lattice column simultaneously, it is inseparabler to make lattice column 2 and tower crane cushion cap 1 connect, thereby the overall stability of tower crane basis has been improved.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (10)
1. The utility model provides a lattice tower crane foundation, includes tower crane cushion cap (1) and filling pile (3) that are located tower crane cushion cap (1) below, filling pile (3) set up three, its characterized in that at least: a vertical lattice column (2) is arranged between the tower crane bearing platform (1) and the cast-in-place pile (3), the top end of the lattice column (2) is inserted into the tower crane bearing platform (1) and is fixedly connected with the tower crane bearing platform (1), and the bottom end of the lattice column (2) is fixedly lapped with the cast-in-place pile (3); and a bottom plate (5) is poured above the cast-in-place pile (3).
2. The lattice tower crane foundation of claim 1, wherein: the welding has vertically and horizontally staggered's horizontally connect muscle (7) on the lateral wall of the part that lattice column (2) inserted tower crane cushion cap (1), the inside welding of lattice column (2) has vertical connecting rib (8) that upwards stretches out lattice column (2), the top of vertical connecting rib (8) is buckled.
3. The lattice tower crane foundation of claim 1, wherein: and the outer side wall of the upper part of the lattice column (2) is fixedly connected with a steel support assembly (4) for supporting the tower crane bearing platform (1).
4. The lattice tower crane foundation of claim 3, wherein: the steel holds in palm subassembly (4) including the cover establish on lattice column (2) and with lattice column (2) welded bearing steel sheet (41), fixedly connected with and lattice column (2) welded floor (42) on the bottom surface of bearing steel sheet (41).
5. The lattice tower crane foundation of claim 1, wherein: the latticed column (2) comprises latticed main boards (21) and lacing plates (22), the latticed main boards (21) are four angle steels which are encircled to form a square, and the adjacent latticed main boards (21) are connected into a whole by using a plurality of lacing plates (22).
6. The lattice tower crane foundation of claim 1, wherein: the latticed columns (2) are connected by means of inter-column supports (23) which are horizontally and/or obliquely arranged.
7. The lattice tower crane foundation of claim 1, wherein: pile top concrete hoops (6) for connecting the ends of the cast-in-place piles (3) are poured at the pile top elevation positions of the cast-in-place piles (3).
8. The lattice tower crane foundation of claim 1, wherein: and a water stop steel plate (51) welded on the lattice column (2) is arranged in the bottom plate (5).
9. The lattice tower crane foundation of claim 1, wherein: the lap joint length of the lattice column (2) and the cast-in-place pile (3) is not less than 3 m.
10. The lattice tower crane foundation of claim 1, wherein: the number of the cast-in-place piles (3) is four.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120623216.9U CN215367379U (en) | 2021-03-26 | 2021-03-26 | Lattice type tower crane foundation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120623216.9U CN215367379U (en) | 2021-03-26 | 2021-03-26 | Lattice type tower crane foundation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215367379U true CN215367379U (en) | 2021-12-31 |
Family
ID=79625332
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120623216.9U Active CN215367379U (en) | 2021-03-26 | 2021-03-26 | Lattice type tower crane foundation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215367379U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
-
2021
- 2021-03-26 CN CN202120623216.9U patent/CN215367379U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106120839B (en) | A kind of construction technology of off-lying sea blower foundation embedded rock pile | |
| CN107299643A (en) | Steel lattice column combined type tower crane foundation structure in foundation pit and construction method | |
| CN106968256A (en) | Foundation ditch assembled steel trestle construction method | |
| CN208009463U (en) | A kind of steel-pipe pile concrete bearing platform | |
| CN108035361A (en) | A kind of advanced support supporting construction and its construction method | |
| CN212612511U (en) | Small-diameter steel pipe concrete diagonal bracing system | |
| CN205975658U (en) | Steel platform tower crane foundation | |
| CN215367379U (en) | Lattice type tower crane foundation | |
| CN211340800U (en) | Super dark foundation ditch earthwork excavation platform structure | |
| CN206143801U (en) | Photovoltaic case contravariant basis that adapts to multiple ambient condition | |
| CN110805049B (en) | Construction method of mountain slope ultra-thickness spray anchor permanent supporting structure | |
| CN210439151U (en) | Steel box girder support system and bridge | |
| CN216586567U (en) | Pit-in-pit miniature pile supporting structure | |
| CN213952237U (en) | Take a four corners supporting beam's underground structure | |
| CN105569329A (en) | Unilateral formwork support basement construction method and basement | |
| CN201722700U (en) | Infrastructure of tower crane | |
| CN206873459U (en) | A kind of large-span steel-reinforced concrete foundation ditch support system | |
| CN214657195U (en) | Tower crane foundation structure | |
| CN116479907A (en) | Inclined strut pile supporting structure and construction method thereof | |
| CN214940186U (en) | Reinforcing and protecting structure for broken wall of large-section tunnel to pass through station foundation pit | |
| CN116517012A (en) | Pile wall foundation structure suitable for soft soil site and construction method | |
| CN205296173U (en) | Utilize structure of foundation ditch support system bearing tower crane | |
| CN211340742U (en) | Anti-settlement foundation | |
| CN210049264U (en) | Assembled foundation | |
| CN217998096U (en) | Foundation pit support temporary supporting device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |