CN211006687U - Supporting device and double-row pile supporting structure of foundation pit - Google Patents
Supporting device and double-row pile supporting structure of foundation pit Download PDFInfo
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- CN211006687U CN211006687U CN201921720625.XU CN201921720625U CN211006687U CN 211006687 U CN211006687 U CN 211006687U CN 201921720625 U CN201921720625 U CN 201921720625U CN 211006687 U CN211006687 U CN 211006687U
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Abstract
The utility model discloses a supporting device and double row pile supporting construction of foundation ditch, double row pile supporting construction include front row pile, back row pile and even roof beam, front row pile with back row pile relative spacing sets up, even the roof beam set up in front row pile with between the back row pile, just even the top of roof beam is equipped with and is used for balancing the balancing piece of the moment of flexure of back row pile. The double-row pile supporting structure can balance the bending moment of the rear row pile, avoids the deformation of the rear row pile and has good supporting effect; so, adopt the strutting arrangement of double row pile supporting construction's foundation ditch, can be stable strut the foundation ditch.
Description
Technical Field
The utility model relates to a excavation supporting technology field, concretely relates to supporting device and double row pile supporting construction of foundation ditch.
Background
In order to ensure the safety of construction, the circumferential direction of the foundation pit is usually supported and reinforced by a corresponding supporting device. The double-row pile supporting structure is widely applied to foundation pit supporting because of the characteristics of large lateral rigidity, small horizontal displacement and reasonable stress. The traditional double-row pile supporting structure mainly comprises a front row of piles, a rear row of piles and a connecting beam used for connecting the pile tops of the front row of piles and the pile tops of the rear row of piles. The front row of piles and the rear row of piles are combined into the combined piles through the connecting beams arranged on the pile tops, the space effect and the overall rigidity of the combined piles are exerted, and the combined piles and the soil body work in a cooperative mode, so that the purposes of stabilizing the side walls of the foundation pit and controlling deformation are achieved. The bending moment borne by the rear row piles of the traditional double-row pile supporting structure is large, so that the deformation of the rear row piles is large, and the supporting of a foundation pit is not facilitated.
SUMMERY OF THE UTILITY MODEL
Based on the foundation pit supporting device and the double-row pile supporting structure, the double-row pile supporting structure can balance the bending moment of the back row pile, the back row pile is prevented from deforming, and the supporting effect is good; so, adopt the strutting arrangement of double row pile supporting construction's foundation ditch, can be stable strut the foundation ditch.
The technical scheme is as follows:
on the one hand, provide a double row pile supporting construction, including preceding row pile, back row pile and even roof beam, preceding row pile with back row pile relative interval sets up, even the roof beam set up in preceding row pile with between the back row pile, just even the top of roof beam is equipped with and is used for balancing the balancing piece of the moment of flexure of back row pile.
When the double-row pile supporting structure needs to support the side wall of the foundation pit, the front row piles and the rear row piles are driven into a soil body at intervals, and the pile tops of the front row piles and the pile tops of the rear row piles are connected through the connecting beams, so that the side wall of the foundation pit is stably supported through a structure formed by matching the front row piles, the rear row piles and the connecting beams; meanwhile, the balance piece is arranged on the connecting beam, and the bending moment of the rear row pile can be effectively balanced by the balance piece, so that the rear row pile can be prevented from deforming, and the supporting effect is ensured.
The technical solution is further explained below:
in one embodiment, the balance piece is provided with a first side wall for being attached to the connecting beam, a second side wall for being attached to a soil body, and a third side wall arranged between the first side wall and the second side wall, the third side wall is obliquely arranged relative to the first side wall, and the distance between the third side wall and the first side wall decreases progressively along the direction from the rear row of piles to the front row of piles.
In one embodiment, a protective layer for protecting the balance member is disposed on the third side wall. Therefore, the balance piece is prevented from deforming, and the balance piece is protected.
In one embodiment, a drain pipe for draining water is arranged on the third side wall. So, in time discharge ponding, avoid the balancing piece to receive the washing away and the erosion of water.
In one embodiment, the included angle between the third side wall and the first side wall is
And is
Thus, the balance piece has good stability.
In one embodiment, one side of the second sidewall is connected to the first sidewall, the other side of the second sidewall is connected to the third sidewall, and the other side of the second sidewall is flush or approximately flush with the ground. Therefore, the device is more flat and stable.
In one embodiment, the double row pile supporting structure further includes a reinforcing member for reinforcing the balance pieces. Thus, the strength of the balance member is better.
In one embodiment, the reinforcing assembly includes at least two reinforcing rods disposed at intervals, and the reinforcing rods are inserted into the third side wall.
In one embodiment, the counterweight is provided as a soil heap. So, convenient for material acquisition and saving construction cost.
On the other hand, the supporting device for the foundation pit is provided, and the double-row pile supporting structure is provided.
When the supporting device of the foundation pit needs to support the side wall of the foundation pit, the front row piles and the rear row piles are driven into a soil body at intervals, and the pile tops of the front row piles and the pile tops of the rear row piles are connected by the connecting beams, so that the side wall of the foundation pit is stably supported by a structure formed by matching the front row piles, the rear row piles and the connecting beams; meanwhile, the balance piece is arranged on the connecting beam, and the bending moment of the rear row pile can be effectively balanced by the balance piece, so that the rear row pile can be prevented from deforming, and the supporting effect is ensured.
Drawings
Fig. 1 is a schematic structural view of a double row pile supporting structure according to an embodiment.
Description of reference numerals:
10. the double-row pile supporting structure comprises 100 parts of double-row piles, 200 parts of front-row piles, 300 parts of rear-row piles, connecting beams, 400 parts of crown beams, 500 parts of balance pieces, 510 parts of first side walls, 520 parts of second side walls, 530 parts of third side walls, 600 parts of protective layers, 700 parts of water drain pipes, 810 parts of reinforcing rods, 900 parts of mixing piles, 1000 parts of foundation pits, 2000 parts of ground.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail with reference to the accompanying drawings and the following detailed description. It should be understood that the detailed description and specific examples, while indicating the scope of the invention, are intended for purposes of illustration only and are not intended to limit the scope of the invention.
It will be understood that when an element is referred to as being "disposed on," "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "secured" to, or "fixedly coupled" to another element, it can be removably secured or non-removably secured to the other element. When an element is referred to as being "connected," "pivotally connected," to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," "up," "down," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
In the present invention, the terms "first", "second", "third", and the like do not denote any particular quantity or order, but rather are used to distinguish one name from another.
As shown in fig. 1, in one embodiment, there is provided a double row pile supporting structure 10 including a front row pile 100, a rear row pile 200, and a coupling beam 300, the front row pile 100 and the rear row pile 200 being spaced apart from each other, the coupling beam 300 being disposed between the front row pile 100 and the rear row pile 200, and a balance member 500 for balancing a bending moment of the rear row pile 200 being disposed above the coupling beam 300.
When the double-row pile supporting structure 10 of the embodiment needs to support the side wall of the foundation pit 1000, the front row piles 100 and the rear row piles 200 are driven into the soil body at intervals, and then the pile tops of the front row piles 100 and the pile tops of the rear row piles 200 are connected by the connecting beams 300, so that the side wall of the foundation pit 1000 is stably supported by the structure formed by matching the front row piles 100, the rear row piles 200 and the connecting beams 300; meanwhile, the balance piece 500 is arranged on the connecting beam 300, and the bending moment of the back row pile 200 can be effectively balanced by the balance piece 500, so that the back row pile 200 can be prevented from deforming, and the supporting effect is ensured.
It should be noted that the connecting beam 300 connects the pile top of the front row pile 100 and the pile top of the rear row pile 200, and may be implemented by rigidly connecting the connecting beam 300 and the pile top of the front row pile 100, and rigidly connecting the connecting beam 300 and the pile top of the rear row pile 200, where the rigid connection may be implemented by pouring cement, riveting, or the like, or the connecting beam 300 and the pile top of the front row pile 100 and the pile top of the rear row pile 200 may be implemented by the crown beam 400. Meanwhile, in order to ensure the supporting effect of the front row piles 100 and the rear row piles 200 which are arranged at intervals, the mixing piles 900 can be arranged between the front row piles 100 and the rear row piles 200, and the mixing piles 900 are used for stopping water, so that the supporting stability is ensured.
The profile of the balance member 500 is preferably a right triangle or the like, in which opposite sides of the right triangle are disposed near the rear row piles 200, so that the bending moment of the rear row piles 200 can be effectively balanced. The balance piece 500 can be arranged in a block shape, preferably, the balance piece 500 is arranged in a soil pile, materials are saved, the balance piece 500 can be stably arranged above the connecting beam 300 by utilizing cohesive force of soil, and the balance effect is good. Of course, in other embodiments, the balance member 500 may be a mixture of silt and sand with cohesive force, which is only required to be stably stacked on the coupling beam 300 and balance the bending moment of the rear pile 200.
As shown in fig. 1, in one embodiment, the balancing member 500 has a first sidewall 510 for engaging with the coupling beam 300, a second sidewall 520 for engaging with the soil, and a third sidewall 530 disposed between the first sidewall 510 and the second sidewall 520, the third sidewall 530 is disposed obliquely to the first sidewall 510, and a distance between the third sidewall 530 and the first sidewall 510 decreases from the rear row of piles 200 to the front row of piles 100. Therefore, the first side wall 510 is in contact with the connecting beam 300, the second side wall 520 is in contact with the soil body, the third side wall 530 is obliquely arranged relative to the first side wall 510 and gradually decreases with the distance between the first side wall 510 along the direction from the rear row pile 200 to the front row pile 100, so that the gravity center of the whole balancing piece 500 is arranged close to the rear row pile 200, the bending moment of the rear row pile 200 can be better balanced, the rear row pile 200 cannot be greatly or deform, and the supporting effect is ensured. Preferably, the first side wall 510 and the second side wall 520 are perpendicular or approximately perpendicular to each other, the surface where the third side wall 530 is located is an inclined surface, the surface where the first side wall 510 is located is an adjacent side, and the surface where the second side wall 520 is located is an opposite side, so that the first side wall 510 is attached to the horizontal coupling beam 300 more tightly, the second side wall 520 is vertically arranged and attached to the soil more tightly, and the supporting effect of the double row pile is better; here, the approximately vertical arrangement is to take the influence of an error into consideration, and the first sidewall 510 and the second sidewall 520 may be considered to be vertically arranged within an error allowable range, for example, when an included angle between the first sidewall 510 and the second sidewall 520 is 89 ° to 91 °, the first sidewall 510 and the second sidewall 520 may be considered to be vertically arranged.
In one embodiment, as shown in fig. 1, the third sidewall 530 is provided with a shielding layer 600 for shielding the balance 500. Therefore, the protective layer 600 is used for protecting the balance piece 500, the balance piece 500 is prevented from deforming or collapsing, the balance piece 500 can be stably arranged on the connecting beam 300, and the stable bending moment to the rear row pile 200 is balanced.
The protection layer 600 can be a protection net or a protection cover, and only needs to be able to protect the balance piece 500, specifically, in this embodiment, the protection layer 600 is selected from a reinforcing mesh and concrete sprayed on the reinforcing mesh, so that the structure is stable, the balance piece 500 in a soil pile form can be prevented from being corroded by the outside, and the structure stability of the balance piece 500 is ensured.
In one embodiment, as shown in fig. 1, a drain pipe 700 for draining water is provided on the third side wall 530. Therefore, the water on the exposed third side wall 530 is discharged in time by using the water drain pipe 700, so that the impact and erosion of the water on the balance member 500 are avoided, and particularly, the setting of the water drain pipe 700 can avoid the loss of the piled soil for the piled soil balance member 500. The arrangement form of the water drain pipe 700 can adopt a quincunx arrangement and is staggered with the reinforcing mesh of the protective layer 600, so that the protective effect of the protective layer 600 is not affected, and water can be discharged in time.
As shown in fig. 1, in order to ensure the structural stability of the balancing member 500, the included angle between the third sidewall 530 and the first sidewall 510 is within a predetermined range. In one embodiment, the angle between the third sidewall 530 and the first sidewall 510 is
And is
In this way, the included angle between the third side wall 530 and the first side wall 510 can ensure that the balance member 500 does not topple or collapse, and the balance member 500 can stably balance the bending moment of the rear row of piles 200. Preferably, it is
The structure of the balance member 500 is stable and the balance effect is good.
As shown in fig. 1, in one embodiment, one side of the second sidewall 520 is connected to the first sidewall 510, the other side of the second sidewall 520 is connected to the third sidewall 530, and the other side of the second sidewall 520 is flush or approximately flush with the ground 2000. So, even roof beam 300's top sets up balancing piece 500, balancing piece 500's second lateral wall 520's opposite side and ground 2000 parallel and level or approximate parallel and level to make second lateral wall 520 more with the soil body contact, area of contact is enough big, guarantees balancing piece 500 overall structure's stationarity, also makes ground 2000 and third lateral wall 530 can be smooth to pass through, sunken or convex problem can not appear, does benefit to the drainage, avoids the rainwater infiltration, guarantees the stability of structure. The other side of the second side wall 520 is approximately flush with the ground 2000 in consideration of the influence of errors, and the other side of the second side wall 520 may be considered to be flush with the ground 2000 within an error allowable range, for example, the other side of the second side wall 520 may be considered to be flush with the ground 2000 when the height difference between the other side of the second side wall 520 and the ground 2000 is 1mm to 3 mm.
In one embodiment, the double row pile support structure 10 further includes a reinforcing member for reinforcing the balance 500. So, do benefit to the overall structure intensity to balancing piece 500 that the reinforced component can be further and strengthen for balancing piece 500 can be more stable set up on even roof beam 300, and the stable moment of bending to back row of piles 200 is balanced.
The reinforcing component can be realized through the mode of anchoring to the structure of balancing piece 500, also can realize through the mode of concreting, only need satisfy can strengthen the intensity of balancing piece 500, guarantee that the stability of balancing piece 500 can.
As shown in FIG. 1, in one embodiment, the reinforcing assembly includes at least two reinforcing rods 810 disposed in an opposing spaced apart relationship, the reinforcing rods 810 being inserted into the third sidewall 530. So, only need simple, convenient insert the reinforcement bar 810 on the third lateral wall 530, can realize the enhancement of the intensity of balancing piece 500, convenient operation has promoted work efficiency. The reinforcing bars 810 may be reinforcing bars, for example, short reinforcing bars having a diameter of 16mm and a length of 1.5m, which are inserted at intervals of 1500mm in the transverse and longitudinal directions along the sloping surface of the third sidewall 530.
In one embodiment, a supporting device for a foundation pit 1000 is also provided, which comprises the double-row pile supporting structure 10 of any one of the above embodiments.
When the supporting device of the foundation pit 1000 of the embodiment needs to support the side wall of the foundation pit 1000, the front row piles 100 and the rear row piles 200 are driven into the soil body at intervals, and then the pile tops of the front row piles 100 and the pile tops of the rear row piles 200 are connected by the connecting beams 300, so that the side wall of the foundation pit 1000 is stably supported by the structure formed by matching the front row piles 100, the rear row piles 200 and the connecting beams 300; meanwhile, the balance piece 500 is arranged on the connecting beam 300, and the bending moment of the back row pile 200 can be effectively balanced by the balance piece 500, so that the back row pile 200 can be prevented from deforming, and the supporting effect is ensured.
The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above examples represent only a few embodiments of the present invention, which are described in detail and detail, but are not to be construed as limiting the scope of the invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (10)
1. The utility model provides a double row pile supporting construction, its characterized in that includes preceding row pile, back row pile and links the roof beam, preceding row pile with back row pile interval relatively sets up, link the roof beam set up in preceding row pile with between the back row pile, just the top of linking the roof beam is equipped with the balancing piece that is used for balancing the moment of flexure of back row pile.
2. The double-row pile supporting structure according to claim 1, wherein the balance member is provided with a first side wall for being attached to the connecting beam, a second side wall for being attached to a soil body, and a third side wall arranged between the first side wall and the second side wall, the third side wall is arranged obliquely relative to the first side wall, and the distance between the third side wall and the first side wall decreases progressively along the direction from the rear row of piles to the front row of piles.
3. A double row pile supporting construction according to claim 2, characterised in that a protective layer for protecting the balance member is provided on the third side wall.
4. A double row pile supporting construction according to claim 2, characterised in that a drain pipe for draining water is provided on the third side wall.
5. A double row pile support structure as claimed in claim 2, in which the angle between the third side wall and the first side wall is
And is
6. A double row pile support structure according to claim 2, in which one side of the second side wall is connected to the first side wall, the other side of the second side wall is connected to the third side wall, and the other side of the second side wall is level or approximately level with the ground.
7. A double row pile support structure according to claim 2, further comprising a reinforcing member for reinforcing the balance piece.
8. A double row pile support structure according to claim 7, wherein the reinforcing assembly includes at least two reinforcing rods arranged at an opposite interval, the reinforcing rods being inserted on the third side wall.
9. A double row pile support structure according to any one of claims 1 to 8, characterised in that the balance member is provided as a soil heap.
10. A support device for a foundation pit, comprising a double row pile support structure according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921720625.XU CN211006687U (en) | 2019-10-14 | 2019-10-14 | Supporting device and double-row pile supporting structure of foundation pit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921720625.XU CN211006687U (en) | 2019-10-14 | 2019-10-14 | Supporting device and double-row pile supporting structure of foundation pit |
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| Publication Number | Publication Date |
|---|---|
| CN211006687U true CN211006687U (en) | 2020-07-14 |
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| CN201921720625.XU Active CN211006687U (en) | 2019-10-14 | 2019-10-14 | Supporting device and double-row pile supporting structure of foundation pit |
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| CN (1) | CN211006687U (en) |
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- 2019-10-14 CN CN201921720625.XU patent/CN211006687U/en active Active
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