CN218880871U - Deep foundation pit supporting structure for cast-in-situ bored pile - Google Patents
Deep foundation pit supporting structure for cast-in-situ bored pile Download PDFInfo
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- CN218880871U CN218880871U CN202223054963.9U CN202223054963U CN218880871U CN 218880871 U CN218880871 U CN 218880871U CN 202223054963 U CN202223054963 U CN 202223054963U CN 218880871 U CN218880871 U CN 218880871U
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Abstract
The utility model provides a deep foundation pit supporting structure of bored concrete pile, including the bored concrete pile, the steel sheet pile, waist rail and longeron, bored concrete pile interval certain distance sets up in the peripheral soil body of foundation ditch, pre-buried connecting plate is pour at the top of bored concrete pile, two adjacent bored concrete piles are connected with spacing crane span structure through pre-buried connecting plate, the inboard of bored concrete pile sets up the steel sheet pile, the steel sheet pile connects gradually with unsmooth form and encloses the laminating on the foundation ditch inner wall, the bottom of steel sheet pile extends into below the foundation ditch diapire, and the steel sheet pile to the foundation ditch evagination sets up between two bored concrete piles, the steel sheet pile to the foundation ditch indent sets up in the inside side of bored concrete pile towards the foundation ditch. The utility model discloses a steel sheet pile and bored concrete pile mutually pin down carries on spacingly to the bored concrete pile, for avoiding steel sheet pile between adjacent bored concrete pile to receive the extrusion to take place deformation, extend the steel sheet pile stull on the waist rail, improve the steel sheet pile support intensity between adjacent bored concrete pile to avoid the bored concrete pile to receive ground or soil extrusion on every side to take place the dislocation or slope, cause the potential safety hazard.
Description
Technical Field
The utility model relates to an excavation supporting technical field especially relates to a bored concrete pile deep basal pit supporting construction.
Background
The foundation is taken as the important component of building bottom, the supporting construction of foundation plays important guard action to it, deep basal pit supporting construction can effectively control situations such as foundation ditch deformation landslide, among the current basal pit supporting construction, bored concrete pile laminating sets up with inside the foundation ditch, the bored concrete pile receives the extrusion of the peripheral soil layer of foundation ditch, there is not location structure between the adjacent bored concrete pile, in case receive great peripheral soil layer extrusion or ground extrusion, relative dislocation or slope take place very easily, thereby arouse whole supporting construction's unstability, this kind of supporting construction security is lower.
Disclosure of Invention
The utility model provides a solve above-mentioned problem, a bored concrete pile deep basal pit supporting construction is provided.
The utility model discloses the technical scheme who takes:
the utility model provides a deep foundation pit supporting structure of bored concrete pile, including the bored concrete pile, the steel sheet pile, waist rail and longeron, the bored concrete pile interval certain distance sets up in the peripheral soil body of foundation ditch, pre-buried connecting plate is pour at the top of bored concrete pile, two adjacent bored concrete piles are connected with spacing crane span structure through pre-buried connecting plate, the inboard of bored concrete pile sets up the steel sheet pile, the steel sheet pile connects gradually with unsmooth shape and surrounds the laminating on the foundation ditch inner wall, the bottom of steel sheet pile extends into below the foundation ditch diapire, and the steel sheet pile to the foundation ditch evagination sets up between two bored concrete piles, the steel sheet pile to the foundation ditch indent sets up in the inside side of bored concrete pile towards the foundation ditch, it is equipped with the waist rail to enclose on the steel sheet pile plane of foundation ditch indent, be provided with a plurality of longerons in the foundation ditch between relative long limit waist rail, be connected with the bracing roof beam between longeron and the waist rail, one side interval connection has the steel sheet pile stull towards the foundation ditch outward on the waist rail, every steel sheet pile stull supports on the evagination pile of foundation ditch.
And one or more steel sheet piles protruding outwards towards the foundation pit are arranged between the adjacent cast-in-place piles.
The waist rail is made of I-shaped steel.
The steel sheet pile transverse support is a channel steel, and the steel sheet pile transverse support is inserted between the upper wing plate and the lower wing plate of the waist rail.
The bottom surface of the groove of the steel sheet pile transverse support faces upwards and is connected with the upper wing plate of the waist rail through bolts.
The both ends of spacing crane span structure be connected with spacing post, the bottom of spacing post is connected with the bottom plate, bottom plate and pre-buried connecting plate phase-match, and seted up four screw holes in the corresponding position of pre-buried connecting plate of bottom plate.
The bottom plate and the embedded connecting plate are connected in the screw hole through an expansion screw.
The utility model has the advantages that: the utility model discloses a steel sheet pile and bored concrete pile mutually pin down carries on spacingly to the bored concrete pile, for avoiding steel sheet pile between adjacent bored concrete pile to receive the extrusion to take place deformation, extend the steel sheet pile stull on the waist rail, improve the steel sheet pile support intensity between adjacent bored concrete pile to avoid the bored concrete pile to receive ground or soil extrusion on every side to take place the dislocation or slope, cause the potential safety hazard.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is the utility model discloses a two steel sheet piles to the foundation ditch evagination in interval between adjacent bored concrete pile schematic diagrams.
Fig. 3 is a schematic view of the connection between the wale and the steel sheet pile wale of the present invention.
Fig. 4 is a schematic view of the connection structure of the limiting bridge frame and the filling pile of the present invention.
Wherein: 1, foundation pit; 2-filling piles; 3-a bottom plate; 4-limiting the bridge frame; 5-steel sheet piles; 6-steel sheet pile waling; 7-waist rail; 8-longitudinal beam; 9-diagonal bracing beams; 10-expansion screw; 11-screw holes; 12-a bolt; 13-embedding a connecting plate; 14-a limiting column.
Detailed Description
The utility model provides a deep foundation pit supporting structure of bored concrete pile, including bored concrete pile 2, steel sheet pile 5, waist rail 7 and longeron 8, 2 interval certain distances of bored concrete pile set up in the peripheral soil body of foundation ditch 1, pre-buried connecting plate 13 is pour at the top of bored concrete pile 2, two adjacent bored concrete piles 2 are connected with spacing crane span structure 4 through pre-buried connecting plate 13, the inboard of bored concrete pile 2 sets up steel sheet pile 5, steel sheet pile 5 connects gradually with unsmooth form and surrounds the laminating on foundation ditch 1 inner wall, the bottom of steel sheet pile 5 extends into below the foundation ditch 1 diapire, and the steel sheet pile 5 to foundation ditch 1 evagination sets up between two bored concrete piles 2, steel sheet pile 5 to foundation ditch 1 indent sets up in the one side of bored concrete pile 2 towards foundation ditch 1 inside, it is equipped with waist rail 7 to enclose on the steel sheet pile 5 plane of foundation ditch 1 indent, be provided with a plurality of longerons 8 between relative long limit waist rail 7 in foundation ditch 1, be connected with bracing sloping 9 between longeron 8 and waist rail 7, on the evagination one side interval connection of foundation ditch 1 outward of waist rail 6 is to foundation ditch 5.
Adjacent bored concrete pile 2 between be provided with 1 or a plurality of steel sheet pile 5 to foundation ditch 1 evagination, select the number of steel sheet pile 5 according to the diameter of bored concrete pile 2 and the interval between adjacent bored concrete pile 2, bored concrete pile 2 and steel sheet pile 5 are drawn back each other, avoid bored concrete pile 2 or steel sheet pile 5 to have the dislocation to take place.
The waist beam 7 is I-shaped steel. The steel sheet pile transverse support 6 is a channel steel, and the steel sheet pile transverse support 6 is inserted between the upper wing plate and the lower wing plate of the waist rail 7. The bottom surface of the steel sheet pile transverse support 6 faces upwards and is connected with the upper wing plate of the waist beam 7 through the bolt 12, the structures of the waist beam 7 and the steel sheet pile transverse support 6 are more favorable for being spliced with each other, and the connecting structure is more stable through the bolt 12.
The two ends of the limiting bridge frame 4 are connected with limiting columns 14, the bottom ends of the limiting columns 14 are connected with a bottom plate 3, the bottom plate 3 is matched with an embedded connecting plate 13, and four screw holes 11 are formed in the corresponding positions of the embedded connecting plate 13 of the bottom plate 3. Bottom plate 3 and pre-buried connecting plate 13 connect in screw hole 11 through expansion screw 10 and connect into a whole with adjacent bored concrete pile 2 tops, avoid 1 lateral wall hole soil collapse in somewhere foundation ditch 1 to cause local some bored concrete pile 2 to receive local too big extrusion force and take place the slope, cooperate the supporting role of waist roof beam 7 and longeron 8 simultaneously for bored concrete pile 2 is firm.
During the application, steel sheet pile 5 of suitable block number is selected according to bored concrete pile 2 diameter or the interval between adjacent bored concrete pile 2, bored concrete pile 2 is towards the steel sheet pile 5 of foundation ditch 1 indent towards the side of foundation ditch 1 inside, make steel sheet pile 5 card to foundation ditch 1 evagination between two bored concrete piles 2, one side towards foundation ditch 1 inside on the shaft of adjacent bored concrete pile 2 receives the location from steel sheet pile 5 like this, avoid bored concrete pile 2 to take place left and right sides slope or dislocation, connect waist rail 7 again on the steel sheet pile 5 to foundation ditch 1 indent, support through longeron 8 reinforcement between relative waist rail 7, waist rail 7 sets up steel sheet pile stull 6 corresponding to steel sheet pile 5 department of foundation ditch 1 evagination, steel sheet pile stull 6 butt is on the steel sheet pile 5 to foundation ditch 1 evagination, further strengthen the steel sheet pile 5 degree of stability between the adjacent bored concrete pile 2, thereby improve the steadiness of bored concrete pile 2.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrated; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.
The embodiments of the present invention have been described in detail, but the description is only for the preferred embodiments of the present invention and should not be construed as limiting the scope of the present invention. All the equivalent changes and improvements made according to the application scope of the present invention should still fall within the patent coverage of the present invention.
Claims (7)
1. A deep foundation pit supporting structure of a bored pile is characterized by comprising cast-in-place piles (2), steel plate piles (5), waist beams (7) and longitudinal beams (8), wherein the cast-in-place piles (2) are arranged in soil bodies around a foundation pit (1) at intervals, pre-embedded connecting plates (13) are poured at the tops of the cast-in-place piles (2), two adjacent cast-in-place piles (2) are connected with a limiting bridge frame (4) through the pre-embedded connecting plates (13), the steel plate piles (5) are arranged on the inner sides of the cast-in-place piles (2), the steel plate piles (5) are sequentially connected in a concavo-convex shape to surround and attach to the inner wall of the foundation pit (1), and the bottoms of the steel plate piles (5) extend into the bottom wall of the foundation pit (1), and the steel sheet pile (5) which protrudes outwards towards the foundation pit (1) is arranged between the two cast-in-place piles (2), the steel sheet pile (5) which is concave inwards towards the foundation pit (1) is arranged on one side surface of the cast-in-place pile (2) which faces towards the interior of the foundation pit (1), a waist beam (7) is arranged on the plane of the steel sheet pile (5) which is concave inwards towards the foundation pit (1), a plurality of longitudinal beams (8) are arranged between the long side waist beams (7) which are opposite in the foundation pit (1), an inclined strut beam (9) is connected between the longitudinal beams (8) and the waist beam (7), one side of the waist beam (7) which faces towards the exterior of the foundation pit (1) is connected with a steel sheet pile transverse strut (6) at intervals, each steel sheet pile transverse support (6) is propped against the steel sheet pile (5) protruding outwards towards the foundation pit (1).
2. The cast-in-situ bored pile deep foundation pit supporting structure according to claim 1, wherein 1 or more steel sheet piles (5) protruding outward toward the foundation pit (1) are provided between adjacent cast-in-situ bored piles (2).
3. The cast-in-situ bored pile deep foundation pit supporting structure according to claim 1, wherein the wale (7) is an i-beam.
4. The cast-in-situ bored pile deep foundation pit supporting structure according to claim 3, wherein the steel sheet pile wale (6) is a channel steel, and the steel sheet pile wale (6) is inserted between an upper wing plate and a lower wing plate of the wale (7).
5. The cast-in-situ bored pile deep foundation pit supporting structure according to claim 4, wherein the bottom surface of the steel sheet pile wale (6) faces upward and is connected with the upper wing plate of the wale (7) by a bolt (12).
6. The cast-in-situ bored pile deep foundation pit supporting structure according to claim 1, wherein two ends of the limiting bridge (4) are connected with limiting columns (14), the bottom ends of the limiting columns (14) are connected with a bottom plate (3), the bottom plate (3) is matched with the embedded connecting plate (13), and four screw holes (11) are formed in the position, corresponding to the embedded connecting plate (13) of the bottom plate (3).
7. The cast-in-situ bored pile deep foundation pit supporting structure according to claim 6, wherein the bottom plate (3) and the embedded connecting plate (13) are connected in the screw hole (11) through an expansion screw (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223054963.9U CN218880871U (en) | 2022-11-17 | 2022-11-17 | Deep foundation pit supporting structure for cast-in-situ bored pile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223054963.9U CN218880871U (en) | 2022-11-17 | 2022-11-17 | Deep foundation pit supporting structure for cast-in-situ bored pile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218880871U true CN218880871U (en) | 2023-04-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223054963.9U Active CN218880871U (en) | 2022-11-17 | 2022-11-17 | Deep foundation pit supporting structure for cast-in-situ bored pile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218880871U (en) |
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2022
- 2022-11-17 CN CN202223054963.9U patent/CN218880871U/en active Active
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