CN218643386U - Combined steel sheet pile supporting structure - Google Patents
Combined steel sheet pile supporting structure Download PDFInfo
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- CN218643386U CN218643386U CN202222925039.7U CN202222925039U CN218643386U CN 218643386 U CN218643386 U CN 218643386U CN 202222925039 U CN202222925039 U CN 202222925039U CN 218643386 U CN218643386 U CN 218643386U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
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Abstract
The utility model discloses a combined steel sheet pile supporting structure, which is mainly formed by welding combined steel piles and inter-pile retaining structures through steel plates; the combined steel pile is a rectangular section combined pile formed by connecting front and rear rows of U-shaped steel sheet piles and H-shaped steel piles connecting two ends of the front and rear rows; the inter-pile soil retaining structure consists of mutually connected U-shaped steel sheet piles; the steel sheet piles of various types are welded through Larsen type lock catches. The utility model discloses utilize combined piling bar of U type and H shaped steel sheet pile combination and stake in soil formation composite pile, its ideal bending stiffness is superior to similar size's reinforced concrete square pile and round pile, and the supporting construction who combines to form with U type panel can replace traditional reinforced concrete pile sheet wall. Therefore, the utility model discloses a supporting construction rigidity is big, the construction is fast, the cost is low, green, can be used to the temporary of foundation ditch to strut or the permanent of side slope is strutted.
Description
Technical Field
The utility model belongs to the technical field of the reinforced concrete campshed is strutted, especially, relate to a modular steel sheet pile supporting construction.
Background
The reinforced concrete row pile supporting structure is used as a common supporting and retaining structure in slope management or foundation pit protection, and is widely applied by virtue of good anti-sliding capacity, flexible pile position arrangement, convenience in construction, safety and reliability. However, the traditional concrete pile supporting structure has the defects of long construction time, high cost, large using amount of reinforced cement, large construction working surface and the like. In recent years, steel sheet piles and composite piles thereof are widely applied by virtue of the advantages of high rigidity, low manufacturing cost, quick construction and the like, but common steel sheet pile combination forms are mostly used for temporary support.
Disclosure of Invention
The to-be-solved technical problem of the utility model is to provide a rigidity is big, the construction is fast, the cost is low and green's combination formula steel sheet pile supporting construction, and it can be used to the temporary of foundation ditch to strut or the permanent of side slope is strutted.
In order to solve the above problem, the utility model adopts the following technical scheme:
the combined steel sheet pile supporting structure is mainly formed by welding combined steel piles and retaining structures among the piles through steel plates; the combined steel pile is formed by connecting front and rear rows of U-shaped steel sheet piles and H-shaped steel piles connecting two ends of the front and rear rows; the inter-pile soil retaining structure consists of mutually connected U-shaped steel sheet piles; the steel sheet piles of various types are welded through Larsen type lock catches.
The front row of U-shaped steel sheet piles and the rear row of U-shaped steel sheet piles are respectively two rows of U-shaped steel sheet piles which are arranged in parallel and mutually meshed and connected.
3U-shaped steel sheet piles are arranged in the front row and the rear row; the effective width of the U-shaped steel sheet pile is 40-60cm, and the effective height of the U-shaped steel sheet pile is 18-28cm.
The H-shaped steel piles at the two ends of the front row and the rear row are connected in an occluded mode through the Larsen type lock catches, the Larsen type lock catches are symmetrically welded on the outer sides of the flange plates at the two ends of the H-shaped steel piles, and the arrangement directions of openings of the Larsen type lock catches are consistent.
The H-shaped steel piles connected with the two ends of the front row and the rear row comprise the left side and the right side, and 3H-shaped steel piles are arranged on each side; the H-shaped steel pile has the waist height of 40-63cm, the leg width of 14-18cm and the waist thickness of 1.0-1.7cm.
The combined steel piles are transversely provided with inter-pile soil retaining structures, each inter-pile soil retaining structure is composed of three or five U-shaped steel plate piles which are mutually connected through Larsen type lock catches, the steel plates are welded on the bottom surfaces of the U-shaped steel plate piles adjacent to the combined steel piles and the inter-pile soil retaining structures, and the embedding depth of the inter-pile soil retaining structures at the tail ends of the steel plates is 0.3-1.5m.
The steel plate has a width of 0.4-1.0m, a height of 0.4-1.0m and a thickness of 0.008-0.025m.
The clear distance between piles of the combined steel pile is 1.2-3m, the pile length of the combined steel pile is 10-25m, the cantilever section is 5-10m, and the buried depth section is 5-15m; the size of the combined steel pile is a square pile with the transverse dimension of 1.2-1.8m and the longitudinal dimension of 1.2-1.8 m.
Aiming at the problems of the traditional concrete pile supporting structure at present, the inventor designs a combined steel sheet pile supporting structure which is mainly formed by welding combined steel piles and retaining structures among the piles through steel plates; the combined steel pile is a rectangular section combined pile formed by connecting front and rear rows of U-shaped steel sheet piles and H-shaped steel piles connecting two ends of the front and rear rows; the inter-pile soil retaining structure consists of mutually connected U-shaped steel sheet piles; and the steel sheet piles of various types are welded and connected through Larsen type lock catches. Compared with the prior art, the utility model discloses a combination formula steel sheet pile supporting construction has following main advantage:
one of them, the utility model discloses utilize combined piling bar and the stake of U type and H shaped steel sheet pile combination to form composite pile with stake soil in, its ideal bending stiffness (EI value) is superior to similar size's reinforced concrete square pile and round pile, and the supporting construction who combines to form with U type panel can replace traditional reinforced concrete pilework.
Secondly, the utility model discloses supporting construction forms resistance promptly after implementing, need not consider links such as drilling, putting the reinforcing bar, pouring concrete, maintenance, and construction period is fast.
Thirdly, the utility model discloses a construction method is simple and convenient, and maneuverability is strong, and the cost is not high, engineering application prospect is huge.
To sum up, the utility model discloses a supporting construction rigidity is big, the construction is fast, the cost is low, green, can be used to the temporary of foundation ditch to strut or the permanent of side slope is strutted.
Drawings
Fig. 1 is a schematic plan view of the combined steel sheet pile supporting structure of the present invention.
Fig. 2 is a schematic plan view of the combined steel pile in the combined steel sheet pile supporting structure of the present invention.
Fig. 3 is the plan arrangement schematic diagram of inter-pile soil retaining structure in the combined steel sheet pile supporting structure of the utility model.
Fig. 4 is two kinds of pattern drawings of larsen lock catch in the combined steel sheet pile supporting structure of the utility model, in the drawing: the pattern a is a first pattern, and the pattern b is a second pattern.
Fig. 5 is a schematic view of the connection mode of the combined steel pile and the inter-pile retaining structure in the combined steel sheet pile supporting structure of the present invention.
Fig. 6 is a perspective view of the combined steel sheet pile supporting structure of the present invention.
In the figure: 1, a combined steel pile; 2, an inter-pile soil retaining structure; 3, steel plates; 4U-shaped steel sheet piles; the 4a U-shaped steel sheet pile is connected with the Larsen lock catch of the H-shaped steel pile; 4b, larsen type lock catches are connected among the U-shaped steel plate piles; 5H-shaped steel piles; 5a, connecting the H-shaped steel pile with a flange plate on one side of the U-shaped steel sheet pile; 5b another side flange plate; larsen type lock catches are connected among the 6a H-shaped steel plate piles; h1 a cantilever section; h2 buried depth section.
Detailed Description
1. Basic structure
As shown in fig. 1 to 6, the combined steel sheet pile supporting structure of the present invention is mainly formed by welding a combined steel pile 1 and an inter-pile retaining structure 3 through steel sheets 4. The pile spacing of the combined steel piles is 2-3m, the pile length of the combined steel piles is 10-25m, the cantilever section is 5-10m, and the buried depth section is 5-15m; the combined steel pile is a square pile with the size of 1.2-1.8m in the transverse direction and 1.2-1.8m in the longitudinal direction, and the bending rigidity in an ideal state can replace a reinforced concrete circular pile with the size of 1.2-2.0 m. Wherein the content of the first and second substances,
the combined steel pile is an approximately rectangular section combined pile formed by connecting a front row of U-shaped steel piles (transversely) and a rear row of H-shaped steel piles (longitudinally) which connect the two ends of the front row and the rear row, and the steel sheet piles of various types are connected by welding through Larsen type fasteners (shown as two types in figure 4, namely steel sheet piles in any direction (patent No. 201420116018.3, published as 20141217) and steel sheet pile fasteners (patent application No. 201710350748.8, published as 20170721)). The front row of U-shaped steel sheet piles and the rear row of U-shaped steel sheet piles are respectively two rows of U-shaped steel sheet piles which are arranged in parallel and mutually meshed and connected; the number of the front row of U-shaped steel sheet piles and the number of the rear row of U-shaped steel sheet piles are 3, the effective width of the U-shaped steel sheet piles is 40-60cm, and the effective height of the U-shaped steel sheet piles is 18-28cm. The H-shaped steel piles at the two ends of the front row and the rear row are connected in an occluded mode through the Larsen type lock catches, the Larsen type lock catches are symmetrically welded on the outer sides of the flange plates at the two ends of the H-shaped steel piles, and the arrangement directions of openings of the Larsen type lock catches are consistent. The H-shaped steel piles connected with the two ends of the front row and the rear row comprise the left side and the right side, the number of the H-shaped steel piles on each side is 3, the height of the waist of each H-shaped steel pile is 40-63cm, the leg width is 14.2-18cm, and the waist thickness is 1.05-1.7cm.
The soil blocking structure between the piles is transversely arranged among the combined steel piles and consists of three or five U-shaped steel sheet piles which are mutually connected through Larsen type lock catches, the steel sheets are welded on the bottom surfaces of the U-shaped steel sheet piles which are adjacent to the soil blocking structure between the combined steel piles and the piles, and the soil blocking structure has the main function of connecting the soil blocking plates and the combined piles into a whole and transmitting the load borne by the soil blocking structure to the piles. The embedded depth of the retaining structure between the end piles is 0.3-1.5m. The steel plate has a dimension width of 0.4m, a height of 0.4-1.0m and a thickness of 0.008-0.025m.
2. Examples of the applications
As shown in fig. 2, the U-shaped steel sheet piles 4 are arranged in a transverse direction in 3 numbers and engaged with each other by the larsen lock catches 4 b. Larsen type lock catches 6a are welded on the flange plates 5a on one side of the H-shaped steel pile 5, the same Larsen type lock catches 6a are welded on the flange plates 5b on the other side, and the arrangement directions of the openings of the two Larsen type lock catches are consistent. The Larsen type lock catch 6a is meshed with the Larsen type lock catch 4a of the U-shaped steel sheet pile, and the H-shaped steel piles 5 are meshed with each other through the Larsen type lock catch 6 a. One side H shaped steel pile is according to longitudinal arrangement 3 and with horizontal U shaped steel sheet pile interconnect. The rear row of U-shaped steel sheet piles are transversely arranged by 3 and are mutually meshed through Larsen type lock catches 4 b. The H-shaped steel piles on the other side are longitudinally arranged 3 and are connected with the transverse U-shaped steel sheet piles, and then the front row of U-shaped steel sheet piles and the rear row of U-shaped steel sheet piles are connected through the Larsen lock catches 6 a.
As shown in fig. 3, the inter-pile soil guard structure is composed of three (or five) U-shaped steel sheet piles connected to each other by the larsen type locking.
As shown in fig. 1 and 5, the combined steel pile panel and the inter-pile soil guard structure panel are on the same plane, and the steel plate is welded on the bottom surface of the U-shaped steel sheet pile adjacent to the combined steel pile and the inter-pile soil guard structure, and mainly functions to connect the soil guard plate and the combined pile into a whole and transmit the load applied to the soil guard structure to the pile.
3. Construction method
In order to improve the construction precision, a spiral static pressure pile planting process is suggested. The specific operation is as follows:
(1) The method is characterized in that a spiral static pressure pile planting process is adopted, firstly, front row U-shaped steel sheet piles (horizontal) are driven, then, H-shaped steel piles (longitudinal), rear row U-shaped steel sheet piles (horizontal) and H-shaped steel piles (longitudinal) are sequentially driven according to a clockwise or anticlockwise sequence, steel sheet piles are mutually occluded through Larsen type lock catches, and construction of a single combined steel pile is completed.
(2) And constructing the other combined steel piles in sequence according to the construction method, wherein the pile spacing of the combined steel piles is 2-3m.
(3) After the construction of the combined steel piles is completed, the rear dump body can be excavated by adopting a reverse construction method, when 0.5-1m is excavated downwards, pile-to-pile soil retaining structures are transversely arranged between the combined steel piles, and steel plates are welded between the combined steel piles and the pile-to-pile soil retaining structures. Excavating to a designed elevation, wherein the embedding depth of the retaining structure between the end piles is 0.3-1.5m; and after the steel plate is welded on the tail end retaining plate, the supporting structure completes construction.
The utility model discloses supporting construction can be used to the temporary of foundation ditch and strut or the permanent of side slope is strutted.
Claims (8)
1. A combined steel sheet pile supporting structure is characterized in that a combined steel pile and an inter-pile soil retaining structure thereof are welded through steel plates to form the combined steel pile supporting structure; the combined steel pile is formed by connecting front and rear rows of U-shaped steel sheet piles and H-shaped steel piles connecting two ends of the front and rear rows; the inter-pile soil retaining structure consists of mutually connected U-shaped steel sheet piles; the steel sheet piles of various types are welded through Larsen type lock catches.
2. The combined steel sheet pile supporting structure according to claim 1, wherein: the front row of U-shaped steel sheet piles and the rear row of U-shaped steel sheet piles are respectively two rows of U-shaped steel sheet piles which are arranged in parallel and mutually meshed and connected.
3. The combined steel sheet pile supporting structure according to claim 2, wherein: 3U-shaped steel sheet piles are arranged in the front row and the rear row; the effective width of the U-shaped steel sheet pile is 40-60cm, and the effective height of the U-shaped steel sheet pile is 18-28cm.
4. The combined steel sheet pile supporting structure according to claim 1, wherein: the H-shaped steel piles at the two ends of the front row and the rear row are connected in an occluded mode through the Larsen type lock catches, the Larsen type lock catches are symmetrically welded on the outer sides of flange plates at the two ends of the H-shaped steel piles, and the arrangement directions of openings of the Larsen type lock catches are consistent.
5. The combined steel sheet pile supporting structure according to claim 4, wherein: the H-shaped steel piles connected with the two ends of the front row and the rear row comprise the left side and the right side, and each side of the H-shaped steel piles is provided with 3H-shaped steel piles; the height of the H-shaped steel pile waist is 40-63cm, the leg width is 14-18cm, and the waist thickness is 1.0-1.7cm.
6. The combined steel sheet pile supporting structure according to claim 1, wherein: the combined steel piles are transversely provided with inter-pile soil retaining structures, each inter-pile soil retaining structure is composed of three or five U-shaped steel plate piles which are connected with each other through Larsen type lock catches, the steel plates are welded on the bottom surfaces of the U-shaped steel plate piles adjacent to the combined steel piles and the inter-pile soil retaining structures, and the embedding depth of the inter-pile soil retaining structures at the tail ends of the steel plates is 0.3-1.5m.
7. The combined steel sheet pile supporting structure according to claim 1, wherein: the width of the steel plate is 0.4-1.0m, the height is 0.4-1.0m, and the thickness is 0.008-0.025m.
8. The combined steel sheet pile supporting structure according to claim 1, wherein: the clear distance between piles of the combined steel pile is 1.2-3m, the pile length of the combined steel pile is 10-25m, the cantilever section is 5-10m, and the buried depth section is 5-15m; the combined steel pile is a square pile with the size of 1.2-1.8m in the transverse direction and 1.2-1.8m in the longitudinal direction.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222899256 | 2022-11-01 | ||
| CN2022228992563 | 2022-11-01 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218643386U true CN218643386U (en) | 2023-03-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222925039.7U Active CN218643386U (en) | 2022-11-01 | 2022-11-03 | Combined steel sheet pile supporting structure |
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| CN (1) | CN218643386U (en) |
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- 2022-11-03 CN CN202222925039.7U patent/CN218643386U/en active Active
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