CN117071628A - Aquatic tower crane foundation and construction method thereof - Google Patents
Aquatic tower crane foundation and construction method thereof Download PDFInfo
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- CN117071628A CN117071628A CN202311050322.2A CN202311050322A CN117071628A CN 117071628 A CN117071628 A CN 117071628A CN 202311050322 A CN202311050322 A CN 202311050322A CN 117071628 A CN117071628 A CN 117071628A
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- 238000010276 construction Methods 0.000 title claims description 42
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 240
- 239000010959 steel Substances 0.000 claims abstract description 240
- 239000004567 concrete Substances 0.000 claims abstract description 87
- 230000002787 reinforcement Effects 0.000 claims abstract description 28
- 239000002131 composite material Substances 0.000 claims abstract description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 25
- 238000007906 compression Methods 0.000 claims description 13
- 230000006835 compression Effects 0.000 claims description 12
- 230000003014 reinforcing effect Effects 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 8
- 238000007789 sealing Methods 0.000 claims description 6
- 239000003351 stiffener Substances 0.000 claims description 4
- 238000005266 casting Methods 0.000 claims description 3
- 238000004080 punching Methods 0.000 claims description 3
- 230000007704 transition Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000009826 distribution Methods 0.000 description 2
- 229910000746 Structural steel Inorganic materials 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000004035 construction material Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000009527 percussion Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
- 239000002023 wood 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
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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
- E02D27/10—Deep foundations
- E02D27/12—Pile foundations
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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
- E02D27/10—Deep foundations
- E02D27/12—Pile foundations
- E02D27/14—Pile framings, i.e. piles assembled to form the substructure
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/22—Piles
- E02D5/24—Prefabricated piles
- E02D5/28—Prefabricated piles made of steel or other metals
- E02D5/285—Prefabricated piles made of steel or other metals tubular, e.g. prefabricated from sheet pile elements
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/22—Piles
- E02D5/34—Concrete or concrete-like piles cast in position ; Apparatus for making same
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Abstract
The application provides an underwater tower crane foundation, which comprises the following components; a composite pile foundation and a steel structure foundation platform, the composite pile foundation comprising: a plurality of concrete cast-in-place pile foundations and a plurality of steel pipe pile foundations; the concrete cast-in-place pile foundation is formed by combining a reinforcement cage and concrete; the steel pipe pile foundation is formed by combining a steel pipe pile and concrete; the steel pipe pile foundation is arranged on the upper portion of the concrete filling pile foundation, the steel structure foundation platform is arranged on the upper portion of the concrete filling pile foundation, and the concrete filling pile foundation is partially sleeved inside the steel pipe pile foundation. The underwater tower crane foundation solves the problems that in the prior art, the tower crane foundation is insufficient in support and easy to move or even incline when bearing a large amount of load.
Description
Technical Field
The application relates to the technical field of building construction, in particular to a tower crane foundation in water and a construction method thereof.
Background
The tower crane is a common lifting device for construction sites, is used for lifting construction raw materials such as steel bars, wood, concrete, steel pipes and the like for construction, and is required to be placed on a tower crane foundation during construction, and the tower crane foundation is required to be built before use.
In the prior art, the structural form of the tower crane foundation in water is a concrete cast-in-place pile foundation, a concrete bearing platform, a steel pipe pile foundation and a concrete bearing platform, in the construction process, the tower crane can meet the requirements of the construction materials on the aspects of vertical transportation, horizontal transportation and the like, the tower crane is installed with a reliable vertical bearing foundation, and most of the tower crane foundations are borne on soil, pile foundations and attached to structures or directly establish the land, but do not have the foundation setting conditions when working on the water surface or river bank, the tower crane foundation is established by the existing method, and in a river with urgent water flow and larger water quantity, the support of the tower crane foundation is insufficient, and the tower crane foundation is easy to move and incline when bearing more.
Disclosure of Invention
The application aims to provide a tower crane foundation in water and a construction method thereof, which solve the problems that the tower crane foundation in the prior art is insufficient in supportability and easy to move or even incline when bearing a large amount of load.
Based on the above object, the present application provides a foundation for a tower crane in water, comprising; a composite pile foundation and a steel structure foundation platform, the composite pile foundation comprising: a plurality of concrete cast-in-place pile foundations and a plurality of steel pipe pile foundations;
the concrete cast-in-place pile foundation is formed by combining a reinforcement cage and concrete;
the steel pipe pile foundation is formed by combining a steel pipe pile and concrete;
the steel pipe pile foundation is arranged on the upper portion of the concrete filling pile foundation, the steel structure foundation platform is arranged on the upper portion of the concrete filling pile foundation, and the concrete filling pile foundation is partially sleeved inside the steel pipe pile foundation.
Further, the steel pipe pile foundation comprises a steel pipe pile, the lower end of the steel pipe pile is fixed below a river bed by a preset distance, and the upper part of the steel reinforcement cage is arranged inside the steel pipe pile.
Further, the steel structure foundation platform comprises a compression-resistant stiffening plate and an I-steel platform;
the compression-resistant stiffening plates comprise top sealing plates and a plurality of bottom stiffening plates, the bottom stiffening plates are uniformly distributed along the circumferential direction of the top sealing plates, and the compression-resistant stiffening plates are sleeved on the upper part of the steel pipe pile foundation;
the I-steel platform is formed by stacking a plurality of I-steels and is connected to the upper part of the steel pipe pile foundation through a compression-resistant stiffening plate.
Further, the steel pipe pile foundations comprise four steel pipe pile foundations which are distributed in a square shape, the I-steel platform comprises 4I-steels, and the steel pipe pile foundations are distributed in an upper layer and a lower layer;
the lower layer comprises two I-steel, one I-steel is supported by two steel pipe pile foundations, and the two I-steel are arranged in parallel;
the upper layer comprises two I-steel which are distributed in parallel and are crossed with the lower layer I-steel.
Further, the steel structure foundation platform further comprises a base and positioning support legs, wherein the base is used for fixing the positioning support legs on the I-steel platform.
Further, the combined pile foundation further comprises a circular pipe which is transversely arranged, and the steel pipe pile foundations are connected through the circular pipe.
Furthermore, the two I-steel at the lower layer are connected through a reinforcing plate, and the two I-steel at the upper layer are connected through a reinforcing plate.
Further, the number of the concrete filling pile foundations is 4, and the number of the steel pipe pile foundations is 4.
The application also provides a construction method of the underwater tower crane foundation, which comprises the following steps:
driving a steel pipe pile into a river bed, wherein the lower end of the steel pipe pile is fixed below the river bed for a preset distance;
punching, wherein the hole is positioned in a riverbed below the steel pipe pile and is communicated with the inside of the steel pipe pile;
installing a reinforcement cage in the hanging hole, wherein the reinforcement cage is partially sleeved in the steel pipe pile;
pouring concrete in the steel pipe piles and the holes;
installing round pipes between the steel pipe piles;
fixing a steel structure foundation platform above the steel pipe pile;
and installing positioning support legs on the steel structure foundation platform.
Further, the pouring concrete in the steel pipe pile and the hole comprises the following steps:
and pouring concrete into the steel pipe piles and the holes to a certain height above the steel reinforcement cage.
According to the underwater tower crane foundation and the construction method thereof, the steel structure foundation platform is adopted to replace a traditional concrete bearing platform, the structural stability is better, the safety is higher, the application range is wide, the construction period is short, the steel structure can be reused, the construction problem of the underwater tower crane foundation is solved, meanwhile, the construction cost is saved for projects, on the other hand, in the embodiment, the form of the concrete cast-in-place pile foundation, the steel pipe pile foundation and the steel structure foundation platform is adopted, and the steel pipe pile foundation is adopted as the transition for connecting the steel structure foundation platform and the concrete cast-in-place pile, so that the stress of the tower crane foundation is more uniform, and the overall stability is higher.
Drawings
In order to more clearly illustrate the embodiments of the application or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is an overall block diagram of a foundation of an underwater tower crane;
FIG. 2 is a schematic view of a construction of a composite pile foundation in a tower crane foundation in water;
FIG. 3 is a cross-sectional view of a composite pile foundation in a water tower foundation;
FIG. 4 is a top view of a composite pile foundation in a water tower crane foundation;
FIG. 5 is a schematic view of a steel structural foundation platform in a water tower crane foundation;
FIG. 6 is a top view of a steel structural foundation platform in a water tower foundation;
FIG. 7 is a schematic diagram of a structural view of a crush stiffener in a foundation of a marine tower crane.
The reference numerals in the drawings are as follows:
10-combined pile foundation; 11-a concrete filling pile foundation; 12-a steel pipe pile foundation; 13-round tubes;
111-a reinforcement cage; 121-a steel pipe pile;
20-a steel structure foundation platform; 21-a compression-resistant stiffening plate; 22-I-steel platform; 23-a base;
211-top closing plate; 212-bottom stiffener.
Detailed Description
The following description of the embodiments of the present application will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
It should be noted that all the directional indicators in the embodiments of the present application are only used to explain the relative positional relationship, movement conditions, etc. between the components in a specific posture, and if the specific posture is changed, the directional indicators are correspondingly changed.
In the present application, unless specifically stated and limited otherwise, the terms "connected," "affixed," and the like are to be construed broadly, and for example, "affixed" may be a fixed connection, a removable connection, or an integral body; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to the specific circumstances.
In the description of the present application, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present application. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
FIG. 1 is a diagram showing the overall construction of a foundation of a water tower crane according to the present embodiment; FIG. 2 is a schematic view of a construction of a composite pile foundation in a tower crane foundation in water; FIG. 3 is a cross-sectional view of a composite pile foundation in a water tower foundation; FIG. 4 is a top view of a composite pile foundation in a water tower crane foundation; FIG. 5 is a schematic view of a steel structural foundation platform in a water tower crane foundation; FIG. 6 is a top view of a steel structural foundation platform in a water tower foundation; FIG. 7 is a schematic diagram of a structural view of a crush stiffener in a foundation of a marine tower crane.
Referring to fig. 1-7, the present embodiment provides an underwater tower crane foundation, comprising; a composite pile foundation 10 and a steel structural foundation platform 20, the composite pile foundation 10 comprising: a plurality of concrete cast-in-place pile foundations 11 and a plurality of steel pipe pile foundations 12;
the concrete cast-in-place pile foundation 11 is formed by combining a reinforcement cage 111 and concrete;
the steel pipe pile foundation 12 is formed by combining a steel pipe pile 121 and concrete;
the steel pipe pile foundation 12 is arranged on the upper portion of the concrete filling pile foundation 11, the steel structure foundation platform 12 is arranged on the upper portion of the concrete filling pile foundation, and the concrete filling pile foundation 11 is partially sleeved inside the steel pipe pile foundation 12.
In this embodiment, the concrete cast-in-place pile foundation is partially installed inside the steel pipe pile foundation, that is, a part of the concrete cast-in-place pile foundation is located inside the steel pipe pile foundation.
The embodiment provides a tower crane foundation in water, which is suitable for underwater environments such as rivers, lakes and the like.
In this embodiment, the bored concrete pile foundation 11 is formed by combining a reinforcement cage 111 and concrete, that is, by casting the reinforcement cage and the concrete.
In this embodiment, the steel pipe pile foundation 12 is formed by combining a steel pipe pile and concrete, that is, the steel pipe pile is formed by casting concrete.
In the embodiment, the concrete filling pile, the steel pipe pile foundation and the steel structure foundation platform are sequentially arranged from bottom to top.
In the embodiment, the combined pile foundation and the structural steel structure foundation platform are adopted to form the underwater tower crane foundation, wherein the combined pile foundation platform comprises a concrete pouring pile foundation and a steel pipe pile foundation, the steel pipe pile foundation is a transition of connection of the steel structure foundation platform and the concrete pouring pile, and the steel pipe pile foundation not only ensures construction quality of the concrete pouring pile foundation, but also ensures effective connection of the steel structure foundation platform and the concrete pouring pile foundation. In this embodiment, adopt steel construction foundation platform to replace traditional concrete cushion cap, structural stability is better the security higher, application scope is extensive, construction cycle is short and steel construction repeatedly usable, not only solved the construction problem of tower crane foundation in the river, construction cost has been practiced thrift for the project simultaneously, on the other hand, in this embodiment, adopt the form of concrete bored concrete pile basis + steel pipe pile basis + steel construction foundation platform, adopt steel-pipe pile and concrete pile foundation to combine together, solve steel pipe and concrete connection difficulty when improving pile foundation bearing capacity, effectually make steel platform and pile foundation become a whole, increase tower crane foundation stability.
Optionally, the steel-pipe pile foundation comprises a steel-pipe pile, the lower end of the steel-pipe pile is fixed below the river bed by a preset distance, and the upper part of the steel reinforcement cage is sleeved inside the steel-pipe pile.
In this embodiment, the reinforcement cage is sleeved inside the steel pipe pile and extends out of the river bed, and specifically, the height of the reinforcement cage extending out of the river bed can be 3.5m.
In this embodiment, the steel reinforcement cage stretches out the riverbed a certain distance, guarantees that steel-pipe pile and steel reinforcement cage fully intersect a section length for composite pile intensity is higher, and the performance is more stable.
Optionally, the steel structure foundation platform 20 comprises a compression-resistant stiffening plate 21 and an I-steel platform 22;
the compression-resistant stiffening plate 21 comprises a top sealing plate 211 and a plurality of bottom stiffening plates 212, the plurality of bottom stiffening plates 212 are uniformly distributed along the circumferential direction of the top sealing plate 211, and the compression-resistant stiffening plate 21 is sleeved on the upper part of the steel pipe pile foundation 12;
the I-steel platform 22 is formed by stacking a plurality of I-steels and is connected to the upper part of the steel pipe pile foundation 12 through the anti-compression stiffening plate 21.
The steel structure foundation platform in this embodiment is formed by the stack of I-steel, and stability is high, and the bearing capacity is strong, and the resistance to compression stiffening plate is located between I-steel platform and the steel pipe pile foundation for I-steel platform is more firm with the steel pipe pile connection.
In the embodiment, the top shrouding is 3cm steel sheet, and 8 bottom stiffening plates are symmetrically arranged at the bottom, and the connection between the steel pipe pile and the I-steel platform is enhanced.
In this embodiment, the top shrouding is circular, and 8 stiffening plates are evenly distributed in the circular part that is close to the outside along circumference. The stiffening plate, the steel pipe pile and the I-steel platform can be fixedly connected through welding, bolt fixing and the like.
Optionally, the steel pipe pile foundations comprise four steel pipe pile foundations which are distributed in a square shape, the I-steel platform comprises 4 double-spliced I-steels, and the two steel pipe pile foundations are distributed in an upper layer and a lower layer;
the lower layer comprises two I-steel, one I-steel is supported by two steel pipe pile foundations, and the two I-steel are arranged in parallel;
the upper layer comprises two I-steel which are distributed in parallel and are crossed with the lower layer I-steel.
In this embodiment, the square distribution of the four steel pipe pile foundations, that is, the square distribution of the four steel pipe pile foundations, is located at four corners of the square, that is, the centers of the four steel pipe piles are connected to form the square. The distance between every two connected components is equal.
Optionally, the steel structure foundation platform 20 further comprises a base 23 and positioning legs (not shown in the drawings), wherein the base 23 is used for fixing the positioning legs to the i-steel platform.
In this embodiment, the base 23 is a connecting seat for positioning the supporting leg and the i-steel platform, so as to facilitate connection.
Optionally, the combined pile foundation further comprises a circular tube 13 which is transversely arranged, and the steel tube pile foundations are connected through the circular tube 13.
In the embodiment, every two adjacent steel pipe piles are connected through the round pipe 13, so that the foundation structure of the steel pipe piles is firmer.
In this embodiment, during construction, the lower end of the steel pipe pile foundation is fixed below the river bed by a preset distance.
Optionally, the steel-pipe pile foundation comprises a steel-pipe pile, the lower end of the steel-pipe pile is fixed below the river bed by a preset distance, and the upper part of the steel reinforcement cage is sleeved inside the steel-pipe pile.
In this embodiment, a part of the steel pipe pile is located below the river bed and a part of the steel pipe pile is located above the river bed. The structure is more stable than the structure arranged above.
In the implementation, the steel pipe pile foundation is used as the transition of the connection of the steel structure foundation platform and the concrete filling pile, so that the stress of the tower crane foundation is more uniform, and the overall stability is higher.
In the embodiment, during construction, a pile driver is firstly used for driving a 1.2 m steel pipe pile after positioning and paying off, the driven steel pipe pile is utilized for completing the construction of a concrete filling pile foundation, and a construction machine adopts a percussion drill.
In this embodiment, two I-steel at the lower layer are connected through a reinforcing plate, and two I-steel at the upper layer are connected through a reinforcing plate.
In this embodiment, the reinforcing plate plays a role in reinforcing, so that the i-steel structure is more stable, and the reinforcing plate in this embodiment is a steel plate.
Optionally, the concrete cast-in-place pile foundations comprise 4, and the steel pipe pile foundations comprise 4.
In this embodiment, the steel structure platform is supported by four composite pile foundations.
In this embodiment, the concrete cast-in-place pile foundation is below the riverbed, and supports the steel pipe pile foundation.
The application also provides a construction method of the underwater tower crane foundation, which comprises the following steps:
driving a steel pipe pile into a river bed, wherein the lower end of the steel pipe pile is fixed below the river bed for a preset distance;
punching, wherein the hole is positioned in a riverbed below the steel pipe pile and is communicated with the inside of the steel pipe pile;
installing a reinforcement cage in the hanging hole, wherein the reinforcement cage is partially sleeved in the steel pipe pile;
pouring concrete in the steel pipe piles and the holes;
installing round pipes between the steel pipe piles;
fixing a steel structure foundation platform above the steel pipe pile;
and installing positioning support legs on the steel structure foundation platform.
The method in this embodiment, that is, the implementation method of the underwater tower crane foundation in fig. 1-7, can be implemented by the method to obtain the underwater tower crane foundation. In this embodiment, the upper end of the steel pipe pile is higher than the river surface, and the lowest height of the steel pipe pile is determined from the river water data, so that the upper end of the steel pipe pile is kept above the river water.
In this embodiment, the steel pipe pile is fixed at a predetermined distance below the river bed, and the steel pipe pile is fixed, i.e., inserted into the river bed, and may be naturally fastened by sediment around the river bed, or may be fastened by other means.
In this embodiment, punch after fixing the steel-pipe pile, clean up silt etc. in the riverbed for place the steel reinforcement cage.
In this embodiment, concrete is injected into the steel pipe pile and the drilled hole, so that the reinforcement cage is mixed with the concrete, and the concrete fills the remaining space in the hole.
In this embodiment, concrete may be poured onto the top of the steel pipe pile.
In this embodiment, the concrete in the steel pipe pile is poured at least 3.5m above the river bed.
In this embodiment, the positioning support leg is a connecting piece which is convenient for installing the tower crane, i.e. the tower crane.
In the application, the steel pipe pile foundation is positioned above the concrete cast-in-place pile foundation, and the steel pipe pile foundation is not positioned above the concrete cast-in-place pile foundation, and a crossing part is arranged between the steel pipe pile foundation and the concrete cast-in-place pile foundation.
Optionally, the pouring concrete in the steel pipe pile and the hole includes:
and pouring concrete into the steel pipe piles and the holes to a certain height above the steel reinforcement cage.
In this embodiment, pour concrete to steel-pipe pile and steel reinforcement cage top, guarantee steel-pipe pile and steel reinforcement cage intensity, specifically, can pour to steel-pipe pile top surface.
According to the application, the structural form of the tower crane foundation is determined according to the actual condition of the site, and the pile diameter and pile length of the combined pile foundation and the structural size of the steel structure foundation platform are calculated. The structure is characterized in that the height of the tower crane foundation is determined after the combined pile foundation and the steel structure foundation platform are comprehensively analyzed, so that the most adverse factor is considered, the tower crane foundation is ensured not to be immersed by river water when the river reaches the flood season, meanwhile, the tower crane foundation still meets the anti-capsizing requirement and the bearing capacity requirement, and the tower crane is ensured to work in a safe state all the time.
The combined pile foundation platform comprises a concrete filling pile foundation and a steel pipe pile foundation, wherein the steel pipe pile foundation is the transition of connection of the steel structure foundation platform and the concrete filling pile, the steel pipe pile foundation not only ensures the construction quality of the concrete filling pile foundation, but also ensures the effective connection of the steel structure foundation platform and the concrete filling pile foundation. In this embodiment, adopt steel construction foundation platform to replace traditional concrete cushion cap, structural stability is better the security higher, application scope is extensive, construction cycle is short and steel construction repeatedly usable, not only solved the construction problem of tower crane foundation in the river, construction cost has been practiced thrift for the project simultaneously, on the other hand, in this embodiment, adopt the form of concrete bored concrete pile basis + steel pipe pile basis + steel construction foundation platform, adopt steel pipe pile basis as the transition that steel construction foundation platform and concrete bored concrete pile are connected for tower crane foundation atress is more even, overall stability is higher.
The underwater tower crane foundation and the construction method thereof overcome the difficulty in construction of the underwater tower crane foundation, reduce the occupied area of the steel trestle, ensure the perpendicularity and the integrity of the pile foundation in a relatively turbulent water flow environment, and invent the construction method for effectively combining the concrete and the steel structure, shorten the construction period, reduce the lease time of the tower crane and save the project cost.
Although embodiments of the present application have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the application, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. An underwater tower crane foundation, comprising; a composite pile foundation and a steel structure foundation platform, the composite pile foundation comprising: a plurality of concrete cast-in-place pile foundations and a plurality of steel pipe pile foundations;
the concrete cast-in-place pile foundation is formed by combining a reinforcement cage and concrete;
the steel pipe pile foundation is formed by combining a steel pipe pile and concrete;
the steel pipe pile foundation is arranged on the upper portion of the concrete filling pile foundation, the steel structure foundation platform is arranged on the upper portion of the concrete filling pile foundation, and the concrete filling pile foundation is partially sleeved inside the steel pipe pile foundation.
2. The underwater tower crane foundation of claim 1, wherein the steel pipe pile foundation comprises a steel pipe pile, the lower end of the steel pipe pile is fixed below the river bed by a preset distance, and the upper part of the steel reinforcement cage is installed inside the steel pipe pile.
3. The foundation of a marine tower crane according to claim 1 or 2, wherein the steel structural foundation platform comprises a crush stiffener and an i-steel platform;
the compression-resistant stiffening plates comprise top sealing plates and a plurality of bottom stiffening plates, the bottom stiffening plates are uniformly distributed along the circumferential direction of the top sealing plates, and the compression-resistant stiffening plates are sleeved on the upper part of the steel pipe pile foundation;
the I-steel platform is formed by stacking a plurality of I-steels and is connected to the upper part of the steel pipe pile foundation through a compression-resistant stiffening plate.
4. The underwater tower crane foundation of claim 3, wherein the steel pipe pile foundation comprises four steel pipe pile foundations which are distributed in a square shape, and the I-steel platform comprises 4 double-spliced I-steels which are distributed in an upper layer and a lower layer;
the lower layer comprises two I-steel, one I-steel is supported by two steel pipe pile foundations, and the two I-steel are arranged in parallel;
the upper layer comprises two I-steel which are distributed in parallel and are crossed with the lower layer I-steel.
5. The foundation of claim 4 wherein the steel structural foundation platform further comprises a base and positioning legs, the base being adapted to secure the positioning legs to the i-steel platform.
6. The underwater tower crane foundation of claim 4, wherein the composite pile foundation further comprises a transverse circular pipe, and the steel pipe pile foundations are connected through the circular pipe.
7. The foundation of claim 4 wherein the lower two joists are connected by a reinforcing plate and the upper two joists are connected by a reinforcing plate.
8. The in-water tower crane foundation according to claim 1, wherein the concrete bored pile foundation comprises 4 and the steel pipe pile foundation comprises 4.
9. A method of constructing an in-water tower foundation according to any of claims 1-8, said method comprising:
driving a steel pipe pile into a river bed, wherein the lower end of the steel pipe pile is fixed below the river bed for a preset distance;
punching, wherein the hole is positioned in a riverbed below the steel pipe pile and is communicated with the inside of the steel pipe pile;
installing a reinforcement cage in the hanging hole, wherein the reinforcement cage is partially sleeved in the steel pipe pile;
pouring concrete in the steel pipe piles and the holes;
installing round pipes between the steel pipe piles;
fixing a steel structure foundation platform above the steel pipe pile;
and installing positioning support legs on the steel structure foundation platform.
10. The method of construction according to claim 9, wherein the casting concrete in the steel pipe pile and the hole comprises:
and pouring concrete into the steel pipe piles and the holes to a certain height above the steel reinforcement cage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311050322.2A CN117071628A (en) | 2023-08-21 | 2023-08-21 | Aquatic tower crane foundation and construction method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311050322.2A CN117071628A (en) | 2023-08-21 | 2023-08-21 | Aquatic tower crane foundation and construction method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117071628A true CN117071628A (en) | 2023-11-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311050322.2A Pending CN117071628A (en) | 2023-08-21 | 2023-08-21 | Aquatic tower crane foundation and construction method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117071628A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117738231A (en) * | 2024-02-18 | 2024-03-22 | 保利长大工程有限公司 | High-support underwater tower crane foundation and construction method thereof |
| CN117738231B (en) * | 2024-02-18 | 2024-05-17 | 保利长大工程有限公司 | High-support underwater tower crane foundation and construction method thereof |
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2023
- 2023-08-21 CN CN202311050322.2A patent/CN117071628A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117738231A (en) * | 2024-02-18 | 2024-03-22 | 保利长大工程有限公司 | High-support underwater tower crane foundation and construction method thereof |
| CN117738231B (en) * | 2024-02-18 | 2024-05-17 | 保利长大工程有限公司 | High-support underwater tower crane foundation and construction method thereof |
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