CN214657195U - Tower crane foundation structure - Google Patents
Tower crane foundation structure Download PDFInfo
- Publication number
- CN214657195U CN214657195U CN202120361987.5U CN202120361987U CN214657195U CN 214657195 U CN214657195 U CN 214657195U CN 202120361987 U CN202120361987 U CN 202120361987U CN 214657195 U CN214657195 U CN 214657195U
- Authority
- CN
- China
- Prior art keywords
- tower crane
- crane foundation
- foundation
- pile
- cast
- 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.)
- Expired - Fee Related
Links
- 229910000831 Steel Inorganic materials 0.000 claims description 15
- 239000010959 steel Substances 0.000 claims description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 239000002689 soil Substances 0.000 abstract description 14
- 238000010276 construction Methods 0.000 abstract description 10
- 239000004567 concrete Substances 0.000 description 11
- 230000003014 reinforcing effect Effects 0.000 description 9
- 238000003466 welding Methods 0.000 description 7
- 239000002131 composite material Substances 0.000 description 6
- 238000009412 basement excavation Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
Images
Landscapes
- Foundations (AREA)
Abstract
The utility model discloses a tower crane foundation structure, including the tower crane foundation under the tower crane and pour the cushion cap in the at least one side of tower crane foundation, the tower crane foundation or be equipped with the tower crane stake under the cushion cap. The bearing platform is poured around the tower crane foundation, and the structural form of the bearing platform is a raft structure; the tower crane pile is a cast-in-place pile or a combined pile; the combined pile comprises a cast-in-place pile and a lattice column, wherein the lower end of the lattice column is fixedly connected with the cast-in-place pile. The utility model discloses a building the cushion cap all around on the tower crane basis, increased the lifting surface area of the tower crane basis below soil body, reduced soil body stress, make the tower crane basis can remain stable, avoid influencing construction safety. Simultaneously, be equipped with the tower crane stake under tower crane foundation or cushion cap, can bear tower crane foundation and cushion cap, prevent that it from toppling.
Description
Technical Field
The utility model relates to a construction technical field, concretely relates to tower crane foundation structure.
Background
With the increasing number of high-rise buildings, the tower crane becomes an indispensable vertical transportation hoisting device on the construction site, and is generally used for hoisting raw materials such as steel pipes, concrete and the like required in the construction process. In the use process of the tower crane, the foundation is a vital part. The existing tower crane foundation generally adopts a bearing platform of cast-in-place reinforced concrete, and the bearing platform is usually positioned below the tower crane foundation. However, the stressed area of the soil body below the tower crane foundation is small, the stress of the soil body is large, the tower crane foundation is not easy to keep stable, and the construction safety is influenced.
SUMMERY OF THE UTILITY MODEL
Therefore, the to-be-solved technical problem of the utility model lies in overcoming the tower crane foundation below soil body among the prior art the lifting surface area is less, and soil body stress is great, makes the tower crane foundation be difficult to remain stable, influences construction safety's defect to a tower crane foundation structure is provided.
Therefore, the tower crane foundation structure comprises a tower crane, a tower crane foundation below the tower crane and a bearing platform poured on at least one side of the tower crane foundation, and tower crane piles are arranged under the tower crane foundation or the bearing platform.
Preferably, the bearing platform is poured around the tower crane foundation, and the structural form of the bearing platform is a raft structure.
Preferably, the tower crane pile is a cast-in-place pile or a composite pile.
Preferably, the composite pile comprises a cast-in-place pile and a lattice column, and the lower end of the lattice column is fixedly connected with the cast-in-place pile.
Preferably, the lattice column is located tower crane foundation or under the cushion cap, be equipped with basement bottom plate between bored concrete pile and the lattice column, the lattice column inserts at least 3m in the bored concrete pile.
Preferably, horizontal cross braces are arranged between the lattice columns.
Preferably, the latticed column penetrates through the middle part of the basement bottom plate, is pre-embedded with a water stop steel plate with the thickness of 3mm, and is integrally poured with the basement bottom plate structure.
The utility model provides a pair of tower crane foundation structure through set up the cushion cap all around at the tower crane basis, has increased the lifting surface area of the tower crane basis below soil body, has reduced soil body stress, makes the tower crane basis can remain stable, avoids influencing construction safety. Simultaneously, be equipped with the tower crane stake under tower crane foundation or cushion cap, can bear tower crane foundation and cushion cap, prevent that it from toppling.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic view of a tower crane foundation structure provided by an embodiment of the present invention;
FIG. 2 is a schematic view of another tower crane foundation structure provided by the embodiment of the present invention;
FIG. 3 is a schematic view of another tower crane foundation structure provided by the embodiment of the present invention;
fig. 4 is an elevation view of a composite pile foundation provided in an embodiment of the present invention;
fig. 5 is a structural diagram of a lattice column through-floor provided in the embodiment of the present invention;
fig. 6 is a horizontal cross brace layout diagram provided in the embodiment of the present invention.
Reference numerals: 1. tower crane; 2. a tower crane foundation; 3. a bearing platform; 4. filling piles; 5. combining piles; 6. a lattice column; 7. a basement floor; 8. and (4) horizontally bracing the scissors.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.
Example 1
This embodiment provides a tower crane foundation structure, as shown in fig. 1, including the tower crane 1 the tower crane foundation 2 under the tower crane 1 and pour the cushion cap 3 of 2 at least one sides of tower crane foundation, be equipped with the tower crane stake under 3 of cushion cap.
Preferably, cushion cap 3 is pour around tower crane foundation 2, the structural style of cushion cap 3 is raft structure, the tower crane stake is bored concrete pile 4.
In this embodiment, the reinforcing bars of the overlapping part of the tower crane foundation 2 and the bearing platform 3 are set according to the maximum reinforcing bar ratio of the bearing platform 3 or the tower crane foundation 2, and the tower crane foundation 2 and the bearing platform 3 are constructed synchronously. Through pouring cushion cap 3 around tower crane foundation 2, increased the lifting surface area of the tower crane foundation 2 below soil body, reduced soil body stress, make tower crane foundation 2 can remain stable, avoid influencing construction safety.
In this embodiment, eight cast-in-place piles 4 are adopted as tower crane piles, the size of the tower crane foundation 2 is 12.1 × 5 × 1.25, and the top elevation of the tower crane foundation 2 is the top elevation of the raft plate. Through being equipped with bored concrete pile 4 under cushion cap 3, can bear tower crane foundation 2 and cushion cap 3, prevent that it from toppling.
Example 2
This embodiment provides a tower crane foundation structure, as shown in fig. 2, including the tower crane 1 the tower crane foundation 2 under the tower crane 1 and pour the cushion cap 3 of 2 at least one sides of tower crane foundation, be equipped with the tower crane stake under the tower crane foundation 2.
Preferably, cushion cap 3 is pour around tower crane foundation 2, the structural style of cushion cap 3 is raft structure, the tower crane stake is bored concrete pile 4.
In this embodiment, the reinforcing bars of the overlapping part of the tower crane foundation 2 and the bearing platform 3 are set according to the maximum reinforcing bar ratio of the bearing platform 3 or the tower crane foundation 2, and the tower crane foundation 2 and the bearing platform 3 are constructed synchronously. Through pouring cushion cap 3 around tower crane foundation 2, increased the lifting surface area of the tower crane foundation 2 below soil body, reduced soil body stress, make tower crane foundation 2 can remain stable, avoid influencing construction safety.
In this embodiment, four cast-in-place piles 4 are adopted as tower crane piles, the size of the tower crane foundation 2 is 12.1 × 5 × 1.25, and the top elevation of the tower crane foundation 2 is the top elevation of the raft plate. Through being equipped with bored concrete pile 4 under tower crane foundation 2, can bear tower crane foundation 2 and cushion cap 3, prevent that it from toppling.
Example 3
This embodiment provides a tower crane foundation structure, as shown in fig. 3, including the tower crane 1 the tower crane foundation 2 under the tower crane 1 and pour the cushion cap 3 of 2 at least one sides of tower crane foundation, be equipped with the tower crane stake under the tower crane foundation 2.
Preferably, the bearing platform 3 is poured around the tower crane foundation 2, the structural form of the bearing platform 3 is a raft structure, and the tower crane pile is a composite pile 5.
In this embodiment, the reinforcing bars of the overlapping part of the tower crane foundation 2 and the bearing platform 3 are set according to the maximum reinforcing bar ratio of the bearing platform 3 or the tower crane foundation 2, and the tower crane foundation 2 and the bearing platform 3 are constructed synchronously. Through pouring cushion cap 3 around tower crane foundation 2, increased the lifting surface area of the tower crane foundation 2 below soil body, reduced soil body stress, make tower crane foundation 2 can remain stable, avoid influencing construction safety.
In this embodiment, the composite pile 5 includes a cast-in-place pile 4 and lattice columns 6. Through being equipped with composite pile 5 under tower crane foundation 2, can bear tower crane foundation 2 and cushion cap 3, prevent that it from toppling.
And (3) driving four lattice column piles as a tower crane foundation with the pile diameter of 900, wherein the size of the tower crane foundation is 4.5X 1.25. Pile reinforcing bars 18 phi 22, stirrups phi 8@200 and concrete C40. As shown in fig. 4, the tower crane pile extends into the tower crane foundation 2, and the effective length of the steel lattice is calculated from the bottom of the raft; the elevation of the excavated bottom of the raft is 16.00m below zero, the length of the steel lattice inserted into the cast-in-place pile is 3m, and the length of the steel lattice is 15.10 m.
In this embodiment, four lattice columns of the steel structure support system are used as main stress members, the cross-sectional dimension is 532 × 532, each branch of the lattice column is made of L180 × 16 angle steel, the batten plate is made of 520 × 350 × 16 steel plates, and the batten plate interval is 350 mm.
Preferably, horizontal cross braces 8 are provided between the lattice columns. As shown in fig. 6, the horizontal cross braces 3m in the four lattice columns are arranged in an x shape. 3m horizontal rods outside the latticed column are one, two vertical inclined struts are welded between every two horizontal rods, and the vertical inclined web members are obliquely tied by 14a channel steel. The height of the welding seam among the horizontal rod, the diagonal web member and the lattice column is 12mm, and the welding seam must be full and continuous. The reinforcing plate is arranged at the position of the cross brace, the length of the reinforcing plate is 50cm, and the welding seam is arranged in the middle.
Before large-area excavation of earthwork, a reinforced area (namely a horizontal tie area and a vertical tie area) is excavated in advance, lattice columns are connected according to the requirements of design drawings, overexcavation is strictly forbidden before the lattice columns are not connected, the quality of welding seams is guaranteed during welding connection, and after the lattice columns are reinforced, large-area earthwork excavation is carried out. In the excavation process of the foundation pit earthwork, the hooking machine bucket is strictly forbidden to be close to the lattice column so as to avoid damaging the lattice column, and the earthwork in the range of 2.0m around the lattice column is symmetrically excavated by adopting a small excavator in manual cooperation, so that unilateral excavation is not required.
In this embodiment, below the basement floor, corresponding to the four lattice columns, four Φ 900 rotary drilling cast-in-place piles are provided, and the designed strength level of the pile body concrete is C40 (underwater concrete).
The longitudinal stress steel bar of the pile adopts 18 phi 22 and the spiral stirrup phi 8@100/200, the welding stiffening stirrup phi 14@3000 is arranged downwards from the pile top, the latticed column is inserted into the cast-in-place pile and is not less than 3m, the latticed column and the longitudinal stress steel bar of the pile in the range are fixed by welding, and the spiral stirrup is encrypted by phi 8@ 100.
As shown in fig. 5, a water stop steel plate with a thickness of 3mm is embedded in the middle of the lattice column passing through the basement bottom plate 7 (the water stop steel plate is fully welded around the steel lattice column), and is integrally cast with the basement bottom plate 7 structure.
The tower crane foundation is 4500 × 4500 × 1250 large-scale foundation, the designed strength grade of concrete is C35, and four lattice columns are extended into the foundation 800mm and poured together to be connected into a whole.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.
Claims (5)
1. A tower crane foundation structure comprises a tower crane and a tower crane foundation under the tower crane, and is characterized by further comprising a bearing platform poured on at least one side of the tower crane foundation, wherein tower crane piles are arranged under the tower crane foundation or the bearing platform; the tower crane pile is a combined pile, the combined pile comprises a cast-in-place pile and a lattice column, and the lower end of the lattice column is fixedly connected with the cast-in-place pile.
2. The tower crane foundation structure of claim 1, wherein the bearing platform is cast around the tower crane foundation, and the bearing platform is in the form of a raft structure.
3. The tower crane foundation structure of claim 1, wherein the lattice column is located under the tower crane foundation or the bearing platform, a basement bottom plate is arranged between the cast-in-place pile and the lattice column, and the lattice column is inserted into the cast-in-place pile by at least 3 m.
4. The tower crane foundation structure of claim 1, wherein horizontal cross braces are provided between the lattice columns.
5. The tower crane foundation structure of claim 3, wherein the latticed column penetrates through the middle part of the basement bottom plate, is pre-embedded with a water stop steel plate with the thickness of 3mm, and is integrally cast with the basement bottom plate structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120361987.5U CN214657195U (en) | 2021-02-08 | 2021-02-08 | Tower crane foundation structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120361987.5U CN214657195U (en) | 2021-02-08 | 2021-02-08 | Tower crane foundation structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214657195U true CN214657195U (en) | 2021-11-09 |
Family
ID=78447553
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120361987.5U Expired - Fee Related CN214657195U (en) | 2021-02-08 | 2021-02-08 | Tower crane foundation structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214657195U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115182340A (en) * | 2022-09-01 | 2022-10-14 | 中国建筑第五工程局有限公司 | Construction method of novel precast pile comprehensive tower crane pile under complex geological condition |
-
2021
- 2021-02-08 CN CN202120361987.5U patent/CN214657195U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115182340A (en) * | 2022-09-01 | 2022-10-14 | 中国建筑第五工程局有限公司 | Construction method of novel precast pile comprehensive tower crane pile under complex geological condition |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111535197B (en) | Pier column construction method | |
| CN210529712U (en) | Construction structure for foundation pit crossing underground pipeline area | |
| CN109183812B (en) | Construction method of combined deep foundation pit supporting structure | |
| CN214657195U (en) | Tower crane foundation structure | |
| CN114575356A (en) | Foundation pit supporting structure, supporting pile transaction processing method and basement construction method | |
| CN212926130U (en) | Prestressed pipe pile cap grid beam integral structure | |
| CN112709143B (en) | Cast-in-place inclined leg rigid frame bridge disc buckle type full-space support and template construction method | |
| CN111648400B (en) | Construction method for civil air defense engineering to meet thick-layer water-bearing sand layer through reverse method | |
| CN211849454U (en) | Steel reinforcement cage is hung and is put and positioner | |
| CN108951654A (en) | Different cutting depth basement construction method for supporting | |
| CN103669976A (en) | Ancient pagoda correction | |
| CN105569329A (en) | Unilateral formwork support basement construction method and basement | |
| CN215367379U (en) | Lattice type tower crane foundation | |
| CN111424676B (en) | Main frame beam support changing structure and construction method | |
| CN212452684U (en) | Soil body protective structure between foundation ditch supporting construction bored concrete pile | |
| CN211547797U (en) | Tower crane foundation structure suitable for basement raft foundation | |
| CN211171994U (en) | Occlusive pile and diaphragm wall combined foundation pit supporting structure | |
| CN210104781U (en) | Tower crane foundation and structure of supporting sharing stand pile that links to each other | |
| CN212641741U (en) | Ring beam structure for connecting pile-wrapped concrete column and reinforced concrete floor | |
| CN114775690B (en) | Construction method of temporary bearing device for roof by cover-excavation method | |
| CN213267915U (en) | Prefabricated prestressed concrete rectangular pile supporting combined structure | |
| CN212956547U (en) | Foundation ditch support tower crane basis integral type structure | |
| CN214574092U (en) | Prefabricated assembly bottom sealing structure for bearing platform concrete in tidal water | |
| CN115198787B (en) | Steel tube column type tower crane foundation and construction method thereof, and cover-excavation reverse construction method | |
| CN214940432U (en) | Protection structure for reserved water stop of underground connecting channel |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211109 |