CN218933149U - SMW construction method pile structure - Google Patents

SMW construction method pile structure Download PDF

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Publication number
CN218933149U
CN218933149U CN202320073844.3U CN202320073844U CN218933149U CN 218933149 U CN218933149 U CN 218933149U CN 202320073844 U CN202320073844 U CN 202320073844U CN 218933149 U CN218933149 U CN 218933149U
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China
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section steel
pile
construction
crown beam
stake
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CN202320073844.3U
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李福连
陶冶
马钻
史世雍
陈神军
周善国
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Ningbo Ningda Foundation Treatment Technology Co ltd
Zhejiang Hongchen Construction Co ltd
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Ningbo Ningda Foundation Treatment Technology Co ltd
Zhejiang Hongchen Construction Co ltd
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Abstract

The application relates to a SMW worker method stake structure relates to the technical field of foundation ditch enclosure, and it includes: the construction method comprises a crown beam, construction method pile section steel, an inclined strut pile and a cement stirring pile, wherein the cement stirring pile is attached to the boundary of a foundation pit for construction, the lower end of the construction method pile section steel is inserted into the cement stirring pile, the crown beam is arranged at the upper end of the cement stirring pile, the upper end of the construction method pile section steel penetrates out of the crown beam, the construction method pile section steel is located at the boundary of the foundation pit, the inclined strut pile is supported on one side, facing the foundation pit, of the crown beam, and a partition plate is coated on the connection part of the construction method pile section steel and the crown beam. The pile section steel has the effect of being convenient to pull out after being used.

Description

SMW construction method pile structure
Technical Field
The application relates to the technical field of foundation pit support, in particular to an SMW construction method pile structure.
Background
With the rapid development of national economic construction, the construction of underground space, namely deep foundation pit, is more and more. The local government has clear text that the foundation pit enclosure wall is not allowed to be provided with anchor rods for supporting. The horizontal support in the large-area foundation pit is gradually reduced due to the large manufacturing cost and the like. Therefore, in recent years, the foundation pit inner diagonal bracing piles are gradually popularized.
In the related art, a foundation pit enclosure adopts a steel reinforced concrete continuous wall (SMW) construction method pile for short, and the construction method pile comprises a cement stirring pile, a crown beam, an inclined strut pile and a steel section, wherein the cement stirring pile is poured on the side wall of the foundation pit, the crown beam is poured on the upper side of the cement stirring pile, the lower end of the steel section is pre-buried in the cement stirring pile, the steel section vertically extends upwards to penetrate through the crown beam and is positioned at the boundary of the foundation pit, the inclined strut pile is arranged on one side of the crown beam, which faces the foundation pit, and is used for providing support for the crown beam, the crown beam transmits force to the steel section, and the steel section supports the side wall of the foundation pit.
With respect to the related art, the inventor considers that the lower end of the section steel is pre-buried in the crown beam and the cement mixing pile, and is difficult to pull out, so that the construction material of the construction method pile is wasted, and the improvement is still left.
Disclosure of Invention
In order to facilitate pulling out the SMW construction method pile section steel after use, the application provides an SMW construction method pile structure.
The application provides a SMW worker method stake structure adopts following technical scheme:
the utility model provides a SMW worker method pile structure, includes roof beam, worker method stake shaped steel, diagonal bracing stake and cement stirring stake, cement stirring stake laminating foundation ditch's border construction, the lower extreme of worker method stake shaped steel peg graft in the cement stirring stake, the roof beam is located the upper end of cement stirring stake, the upper end of worker method stake shaped steel wears out the roof beam, worker method stake shaped steel is located the border department of foundation ditch, diagonal bracing stake support in the roof beam is towards one side of foundation ditch, worker method stake shaped steel with the partial cladding that the roof beam is connected has the division board.
By adopting the technical scheme, the isolation plate enables the crown beam not to be in direct contact with the construction method pile section steel, isolates the binding force of the concrete around the construction method pile section steel, and is convenient for the construction of the foundation pit outer wall and the recycling of the construction method pile section steel after the construction, so as to reduce the manufacturing cost of the foundation pit enclosure structure.
Optionally, the construction method pile profile steel comprises a connecting assembly for connecting the construction method pile profile steel and the crown beam together.
By adopting the technical scheme, the upward force applied to the crown beam by the diagonal bracing pile is transmitted to the construction method pile section steel through the connecting component, so that the weakening effect of the peripheral isolation plate of the crown Liang Zhonggong method pile section steel is made up, the upward force applied to the crown beam by the diagonal bracing pile is balanced, and the crown beam is not easy to crack.
Optionally, the connection assembly includes:
the horizontal section steel is abutted to the upper side of the crown beam and is arranged on one side of the construction method pile section steel facing the foundation pit; and
the connecting plate is fixedly connected with the construction method pile section steel and the horizontal section steel.
By adopting the technical scheme, the upward force applied to the crown beam by the diagonal bracing pile is transferred to the construction method pile profile steel through the horizontal profile steel and the connecting plate, so that the upward force applied to the crown beam by the diagonal bracing pile is balanced, and the crown beam is not easy to crack.
Optionally, the connecting assembly further comprises a reinforcing plate, wherein the reinforcing plate is fixedly connected with the horizontal section steel and the connecting plate, and the reinforcing plate is mutually perpendicular to the connecting plate and the horizontal section steel.
By adopting the technical scheme, the connection strength between the horizontal section steel and the connecting plate is improved.
Optionally, the connecting plate is fixed with the construction method pile section steel through bolts and nuts.
By adopting the technical scheme, the construction is convenient, the disassembly and assembly are simple, and the fixation is firm.
Optionally, the end of the diagonal bracing pile facing the crown beam is fixed with a jacking power source, and the output end of the jacking power source is fixedly connected with the crown beam.
By adopting the technical scheme, the force applied to the crown beam by the diagonal bracing pile can be adjusted through the jacking power source.
Optionally, the lifting power source is a hydraulic jack.
Optionally, an embedded plate is embedded on one side of the crown beam, facing the foundation pit, and the embedded plate is fixedly connected with the output end of the jacking power source.
By adopting the technical scheme, the jack is convenient to be connected with the crown beam.
Optionally, the construction method pile section steel is I-steel.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the isolation plate enables the crown beam not to be in direct contact with the construction method pile section steel, isolates the binding force of concrete around the construction method pile section steel, facilitates the recycling of the construction method pile section steel after the construction of the foundation pit outer wall, and reduces the cost of the foundation pit enclosure structure;
2. the upward force applied to the crown beam by the diagonal bracing pile is transmitted to the construction method pile section steel through the connecting component, so that the diagonal bracing pile, the construction method pile section steel and the crown beam form an integral enclosure structure together to bear the soil-water side pressure outside the foundation pit, and the weakening effect of the peripheral isolation plate of the crown Liang Zhonggong method pile section steel is made up;
3. the connecting component is convenient to disassemble and assemble, can be recycled, and reduces the manufacturing cost of the foundation pit support structure.
Drawings
Fig. 1 is a schematic structural diagram of an SMW construction method pile structure according to an embodiment of the present application.
Fig. 2 is an x-direction view of fig. 1.
Reference numerals illustrate: 10. a crown beam; 11. embedding a plate; 20. construction method pile section steel; 30. a diagonal bracing pile; 31. lifting the power source; 40. a partition plate; 50. a connection assembly; 51. horizontal section steel; 52. a connecting plate; 521. a bolt; 522. a nut; 53. a reinforcing plate; 60. cement stirring piles.
Detailed Description
The present application is described in further detail below in conjunction with figures 1-2. The direction indicated by the arrow x is right and the opposite direction indicated by the arrow x is left.
The embodiment of the application discloses an SMW construction method pile structure. Referring to fig. 1, the smw construction pile structure includes a crown beam 10, construction pile section steel 20, a diagonal bracing pile 30, and a cement mixing pile 60.
The boundary of the foundation pit is defined, and cement mixing piles 60 are constructed at the boundary of the foundation pit. The construction pile section steel 20 is I-shaped steel, the lower end of the construction pile section steel 20 is inserted into the bottom of the cement mixing pile 60 after the cement mixing pile 60 is constructed and before initial setting, the construction pile section steel 20 is vertically arranged, the construction pile section steel 20 is distributed along the boundary defined by the foundation pit, and the upper end of the construction pile section steel 20 extends out of the cement mixing pile 60.
The crown beam 10 is poured on the upper side of the cement mixing pile 60, the crown beam 10 is poured along the boundary defined by the foundation pit, and the crown beam 10 is composed of steel bars and concrete. The upper end of the construction pile section steel 20 penetrates out of the crown beam 10, and the construction pile section steel 20 extends out of the crown beam 10 by about 0.5m-1.0m. Before pouring the crown beam 10, the construction pile section steel 20 is coated with the isolation plate 40, wherein the isolation plate 40 can be a plastic plate or a foam plate, the isolation plate 40 enables the crown beam 10 not to be in contact with the construction pile section steel 20, the binding force of concrete around the construction pile section steel 20 is isolated, so that the construction pile section steel 20 can be conveniently pulled out for recycling after the construction pile section steel 20 is used up, and the construction cost of a foundation pit enclosure structure is reduced.
The diagonal bracing pile 30 is arranged on one side of the crown beam 10 facing the foundation pit, the diagonal bracing pile 30 is inserted into the ground in an inclined mode, the jacking power source 31 is arranged at the upper end of the diagonal bracing pile 30, and the jacking power source 31 is a hydraulic jack. The side of the crown beam 10 facing the foundation pit is embedded with an embedded plate 11, the embedded plate 11 is inclined from top to bottom and is arranged right, and the embedded plate 11 is fixed with the output end of the jacking power source 31 so as to fixedly connect the jacking power source 31 with the crown beam 10. The supporting force applied to the crown beam 10 by the raker piles 30 can be adjusted by the jacking power source 31.
The SMW construction pile structure further comprises a connecting assembly 50, wherein the connecting assembly 50 connects the construction pile section steel 20 with the crown beam 10 so as to compensate for the weakening effect of the peripheral isolation plate 40 of the construction pile section steel 20 in the crown beam 10. Specifically, the connection assembly 50 includes a horizontal section steel 51 and a connection plate 52. The horizontal section steel 51 is placed on the upper side of the crown beam 10, the horizontal section steel 51 is located on one side, facing the foundation pit, of the construction pile section steel 20, the horizontal section steel 51 is horizontally arranged, the horizontal section steel 51 is arranged along the boundary of the foundation pit, the horizontal section steel 51 is I-shaped steel, and the web plate of the horizontal section steel 51 is vertically arranged.
In one embodiment, the connection plates 52 are fixedly connected to the flanges of the construction pile section steel 20 by bolts 521 and nuts 522, and the connection plates 52 are welded to the flanges of the horizontal section steel 51 to fix the construction pile section steel 20 and the horizontal section steel 51, and thus the construction pile section steel 20 and the crown beam 10 together.
In another embodiment, the connecting plate 52 is fixedly connected to the wing plate of the construction pile section steel 20 through the bolts 521 and the nuts 522, the reinforcing plate 53 is welded and fixed on the side, facing away from the construction pile section steel 20, of the connecting plate 52, the lower side of the reinforcing plate 53 can be fixed on the wing plate of the horizontal section steel 51 through the bolts 521, or can be directly welded and fixed on the wing plate of the horizontal section steel 51, so as to fix the construction pile section steel 20 and the horizontal section steel 51 together, and further fix the construction pile section steel 20 and the crown beam 10 together, and in this embodiment, the reinforcing plate 53 is described as being welded and fixed on the wing plate of the horizontal section steel 51.
When the connecting assembly 50 is installed, the horizontal section steel 51 is placed on the upper side of the crown beam 10, the welded reinforcing plate 53 and the welded connecting plate 52 are placed on the upper side of the horizontal section steel 51, the reinforcing plate 53 is abutted against the upper side of the wing plate of the horizontal section steel 51, the connecting plate 52 and the wing plate of the construction pile section steel 20 are mutually attached, through holes corresponding to the bolt 521 holes of the connecting plate 52 are drilled on the wing plate of the construction pile section steel 20 by using an electric drill, the connecting plate 52 is fixed on the wing plate of the construction pile section steel 20 by the bolts 521 and the nuts 522, and the reinforcing plate 53 is welded on the upper side of the horizontal section steel 51.
If there are more depressions on the top surface of the crown beam 10, the connection assembly 50 is installed after the depressions are filled with slurry.
The construction method of the pile structure comprises the following construction steps:
1) Constructing a cement mixing pile 60, inserting a construction method pile section steel 20 according to a designed position, and controlling the elevation of the construction method pile section steel 20;
2) Constructing a diagonal bracing pile 30, and installing a telescopic hydraulic jack at the top end of the diagonal bracing pile 30;
3) Coating the construction pile section steel 20 by using a partition plate 40, constructing and pouring the crown beam 10, and enabling the construction pile section steel 20 to extend out of the top surface of the crown beam 10;
4) The connecting component 50 is arranged, so that the bottom surface of the horizontal section steel 51 is attached to the surface of the crown beam 10;
5) Moving the horizontal section steel 51 to enable the connecting plate 52 to be attached to the wing plate of the construction pile section steel 20, and drilling a bolt 521 hole in the wing plate of the construction pile section steel 20 by using a portable drilling machine;
6) The bolts 521 are adopted to connect the connecting plate 52 and the wing plates of the construction method pile section steel 20;
7) Digging a foundation pit, constructing a basement bottom plate and a support changing belt, and continuing to construct a structure upwards;
8) Cutting the inclined support piles 30 on the bottom plate surface of the basement, and lifting the inclined support piles 30 out of the foundation pit;
9) The connecting assembly 50 is disassembled, the connecting bolts 521 are removed firstly, then the connecting assembly 50 is lifted out of the foundation pit, and the next application is prepared after maintenance;
10 The main structure of the basement is continuously constructed, the soil is filled in the fertilizer tank to be compact after the outer wall of the basement is constructed, and the pile profile steel 20 is pulled out by using a jack.
The implementation principle of the construction method pile structure is as follows: before the crown beam 10 is poured, the partition plate 40 is used for coating the construction method pile section steel 20, so that when the crown beam 10 is poured, the construction method pile section steel 20 is not directly bonded with the crown beam 10, the construction method pile section steel 20 is conveniently pulled out for recycling after the construction of the outer wall of the basement is finished, and the construction cost of a foundation pit enclosure structure is reduced. The construction pile section steel 20 and the crown beam 10 are connected together by using the connecting assembly 50, so that the weakening effect of the construction pile section steel 20 peripheral isolation plate 40 in the crown beam 10 is compensated, the vertical counter force of the diagonal bracing pile 30 can be transmitted to the construction pile section steel 20 through the crown beam 10, and the crown beam 10 is not easy to crack.
The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims (9)

1. The utility model provides a SMW worker method stake structure, includes roof beam (10), worker method stake shaped steel (20), bracing stake (30) and cement stirring stake (60), the boundary construction of cement stirring stake (60) laminating foundation ditch, the lower extreme of worker method stake shaped steel (20) peg graft in cement stirring stake (60), roof beam (10) are located the upper end of cement stirring stake (60), the upper end of worker method stake shaped steel (20) wears out roof beam (10), worker method stake shaped steel (20) are located the boundary department of foundation ditch, bracing stake (30) support in one side towards the foundation ditch of roof beam (10), its characterized in that: and the part, connected with the crown beam (10), of the construction method pile section steel (20) is coated with a separation plate (40).
2. The SMW construction pile structure according to claim 1, further comprising a connection assembly (50) connecting said construction pile section steel (20) with said crown beam (10).
3. The SMW construction pile structure according to claim 2, wherein said connection assembly (50) comprises:
the horizontal section steel (51) is abutted to the upper side of the crown beam (10), and the horizontal section steel (51) is arranged on one side of the construction method pile section steel (20) facing the foundation pit; and
the connecting plate (52) is fixedly connected with the construction method pile section steel (20) and the horizontal section steel (51).
4. A SMW construction pile structure according to claim 3, characterised in that said connection assembly (50) further comprises a reinforcing plate (53), said reinforcing plate (53) being fixedly connected to said horizontal section steel (51) and said connection plate (52), said reinforcing plate (53) being mutually perpendicular to said connection plate (52) and said horizontal section steel (51).
5. A SMW construction pile structure according to claim 3, characterised in that: the connecting plate (52) is fixed with a nut (522) and the construction pile section steel (20) through bolts (521).
6. The SMW construction pile structure of claim 1, wherein: the end part of the diagonal bracing pile (30) facing the crown beam (10) is fixed with a jacking power source (31), and the output end of the jacking power source (31) is fixedly connected with the crown beam (10).
7. The SMW construction pile structure of claim 6, wherein: the lifting power source (31) is a jack.
8. The SMW construction pile structure of claim 6, wherein: the crown beam (10) is embedded with an embedded plate (11) towards one side of the foundation pit, and the embedded plate (11) is fixedly connected with the output end of the jacking power source (31).
9. The SMW construction pile structure of claim 1, wherein: the construction method pile section steel (20) is I-shaped steel.
CN202320073844.3U 2023-01-09 2023-01-09 SMW construction method pile structure Active CN218933149U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202320073844.3U CN218933149U (en) 2023-01-09 2023-01-09 SMW construction method pile structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202320073844.3U CN218933149U (en) 2023-01-09 2023-01-09 SMW construction method pile structure

Publications (1)

Publication Number Publication Date
CN218933149U true CN218933149U (en) 2023-04-28

Family

ID=86064421

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202320073844.3U Active CN218933149U (en) 2023-01-09 2023-01-09 SMW construction method pile structure

Country Status (1)

Country Link
CN (1) CN218933149U (en)

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