CN214573884U - H-shaped oblique cross beam shock-absorbing anti-slide pile - Google Patents
H-shaped oblique cross beam shock-absorbing anti-slide pile Download PDFInfo
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- CN214573884U CN214573884U CN202120219601.7U CN202120219601U CN214573884U CN 214573884 U CN214573884 U CN 214573884U CN 202120219601 U CN202120219601 U CN 202120219601U CN 214573884 U CN214573884 U CN 214573884U
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Abstract
The utility model provides an h-shaped oblique beam shock-absorbing slide-resistant pile, which comprises a front pile and a rear pile which are arranged side by side, wherein the rear pile is higher than the front pile, the top of the front pile is provided with a connecting groove, the connecting groove is a quadrangular prism with horizontally arranged side edges, the bottom surface of the quadrangular prism is an inverted right trapezoid, the right-angled waist of the right trapezoid faces the rear pile, and the inclined side surface of the connecting groove is provided with a basin-shaped rubber support; an inclined cross beam is fixedly connected to the side wall of the rear pile facing the front pile, one end of the inclined cross beam is fixedly connected with the rear pile, and the other end of the inclined cross beam extends into a connecting groove in the front pile and is hinged to the basin-type rubber support. The shock-absorbing anti-slide pile can reduce the number of times of hyperstatic stress, has more scientific anti-slide stress under the action of high-thrust landslide, has a shock-absorbing effect, and improves the anti-slide stability.
Description
Technical Field
The utility model belongs to the technical field of the friction pile, a h type friction pile is related to, concretely relates to h type oblique beam shock attenuation friction pile.
Background
The anti-slide pile penetrates through a landslide body and goes deep into a slide bed, is used for supporting and blocking the sliding force of the landslide body, plays a role in stabilizing a side slope, is suitable for the landslide of a shallow layer and a medium-thick layer, and is a main measure for anti-slide treatment.
In recent years, anti-slide piles are generally adopted in landslide control, and the cantilever ends of the anti-slide piles resist landslide and ensure landslide stability by remaining landslide force. When landslide thrust is usually greater than 2000KN/m, the landslide is high-thrust landslide, usually, the anti-slide piles of combined structures such as H-shaped anti-slide piles and door-type anti-slide piles are adopted to resist the large landslide thrust, the combined structures of the H-shaped anti-slide piles and the door-type anti-slide piles transmit the thrust between the front piles and the rear piles through the horizontal cross beam, and three defects exist in the force transmission process. Firstly, the acting direction of the landslide thrust is not a horizontal direction generally, but a certain included angle is formed between the landslide thrust and the horizontal direction, the included angle of most landslides is 10-40 degrees, a horizontal component force and a vertical component force exist, a horizontal cross beam only transmits the horizontal component force, and the vertical force value is not fully exerted; secondly, the horizontal cross beam and the front pile are in a consolidation mode, and the horizontal cross beam and the front pile are easy to crack due to large angular displacement and bending moment after force is transferred, so that the service life of the anti-slide pile is influenced, and the force transfer effect is influenced; thirdly, the horizontal cross beam and the front pile are in a consolidation mode, the anti-seismic performance of the anti-slide pile is poor, brittle cracking is easy to generate, the anti-slide pile is suddenly failed, and sudden landslide is caused.
Disclosure of Invention
The utility model aims at providing an improve h type oblique crossbeam shock attenuation friction pile of cling compound ability and shock-absorbing capacity.
In order to achieve the above object, the utility model adopts the following technical scheme: an h-shaped oblique beam shock-absorbing anti-slide pile comprises a front pile and a rear pile which are arranged side by side, wherein the rear pile is higher than the front pile, a connecting groove is arranged at the top of the front pile, the connecting groove is a quadrangular prism with side edges arranged horizontally, the bottom surface of the quadrangular prism is an inverted right trapezoid, the right-angled waist of the right trapezoid faces to the rear pile, and a basin-shaped rubber support is arranged on the inclined side surface of the connecting groove; an inclined cross beam is fixedly connected to the side wall of the front pile of the rear pile, one end of the inclined cross beam is fixedly connected with the rear pile, and the other end of the inclined cross beam extends into a connecting groove in the front pile and is hinged to the basin-type rubber support.
The utility model discloses shock attenuation friction pile full play remaining skid resistance mechanical effect and cushioning effect, and utilize the horizontal aspect of oblique crossbeam transmission and vertical direction effort for preceding pile bolck produces the clockwise bending moment of horizontal direction and the anticlockwise bending moment of vertical direction, makes the friction pile atress more scientific, concreties friction pile bending moment, shear force and pile bolck displacement between stake and the oblique crossbeam before reducing, improves the energy dissipation effect through basin formula rubber support, can improve durability and cling compound stability. The horizontal transverse beam of the H-shaped anti-slide pile is set to be an inclined cross beam, the inclination angle is consistent with the inclination angle of a landslide sliding surface, the force transmission effect of the cross beam is exerted, the damping effect is improved, the force transmission of the cross beam and the front pile is realized in a basin-type rubber damping support hinging mode, the hyperstatic times are reduced, the anti-bending and damping capacity of the anti-slide pile is improved, and a reliable retaining structure is provided for large-thrust landslide and landslide control in multi-seismic areas.
Drawings
Figure 1 is the schematic view of the shock-absorbing slide-resistant pile of the present invention.
Figure 2 is a plan view of the shock-absorbing slide-resistant pile of the present invention.
Fig. 3 is an enlarged elevation view at P in fig. 1.
In the figure: 1. the pile comprises a rear pile, 2 oblique cross beams, 3 basin-type rubber supports, 4 front piles, 5 sliding bodies and 6 landslide sliding surfaces.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and the following detailed description.
As shown in fig. 1, 2 and 3, the shock-absorbing slide-resistant pile of the present invention comprises a front pile 4 and a rear pile 1 arranged side by side, wherein the rear pile 1 is higher than the front pile 4; the top of the front pile 4 is provided with a connecting groove, the connecting groove is in the shape of a quadrangular prism with a side edge horizontally arranged, the bottom surface of the quadrangular prism is an inverted right trapezoid, the right-angled waist of the right trapezoid faces the rear pile 1, and the inclined waist of the right trapezoid and the included angle of the horizontal direction are beta1The height position of the upper bottom in the right trapezoid is lower than that of the lower bottom, and the inclined side surface of the connecting groove is provided with a basin-shaped rubber support 3. The side wall of the rear pile 1 facing the front pile 4 is fixedly connected with an inclined cross beam 2, one end of the inclined cross beam 2 is fixedly connected with the rear pile 1, the other end of the inclined cross beam 2 extends into a connecting groove on the front pile 4 and is hinged with a basin-shaped rubber support 3, the height position of the connecting part of the rear pile 1 and the inclined cross beam 2 is higher than that of the other end of the inclined cross beam 2, and the included angle between the inclined cross beam 2 and the vertical direction is beta0。
The method comprises the steps that a rear pile 1 is built in a landslide body 5 of a landslide, the height of the rear pile 1 is higher than that of a landslide slide surface 6, an inclined cross beam 2 is built on the rear pile 1 while the rear pile 1 is built, the included angle between the inclined cross beam 2 and the vertical direction is the same as the included angle between the slide surface 6 and the vertical direction, and the included angle is equal to beta0. Constructing a front pile 4 in a direction far away from the landslide, wherein the height of the front pile 4 is lower than that of a sliding surface 6, constructing a connecting groove with a side edge horizontally arranged at the top of the front pile 4, and forming an included angle beta between an inclined side surface of the connecting groove and the horizontal plane1. The basin-shaped rubber support 3 is arranged on the inclined side face of the connecting groove, and the basin-shaped rubber support 3 is hinged with one end of the inclined cross beam 2 extending into the connecting groove.
Because the included angle between oblique crossbeam 2 and the vertical direction is the same with the included angle between landslide sliding surface 6 and the vertical direction, and utilize the horizontal aspect and the vertical direction effort of oblique crossbeam 2 transmission for the top of the 4 piles of preceding stake produces the clockwise bending moment of horizontal direction and the anticlockwise bending moment of vertical direction, makes the friction pile atress more scientific, consolidates between preceding stake 4 and the oblique crossbeam 2 the friction pile bending moment reduces to 0, and shear force and pile bolck displacement further reduce.
The inclined cross beam 2 and the front pile 4 are fixed throughThe basin-shaped rubber support 3 positioned at the top of the front pile 4 is hinged, and the inclination angle beta of the basin-shaped rubber support 31=90°－β0The free rotation and displacement of the end of the oblique cross beam 2 and the top end of the front pile 4 can be realized, the hyperstatic times are reduced, and the anti-skidding stress is more scientific under the action of large-thrust landslide. Under the action of earthquake, the elastic function of the basin-type rubber support 3 is utilized to play a role in increasing amplitude and dissipating energy, and the damage caused by displacement, bending moment and shearing force of the whole slide-resistant pile is reduced.
The connecting groove can prevent the inclined cross beam 2 from laterally deviating.
Claims (2)
1. An h-shaped oblique beam shock-absorbing anti-slide pile comprises a front pile (4) and a rear pile (1) which are arranged side by side, wherein the height of the rear pile (1) is higher than that of the front pile (4), the h-shaped oblique beam shock-absorbing anti-slide pile is characterized in that a connecting groove is formed in the top of the front pile (4), the connecting groove is a quadrangular prism with horizontally arranged side edges, the bottom surface of the quadrangular prism is an inverted right trapezoid, the right-angled waist of the right trapezoid faces the rear pile (1), and a basin-shaped rubber support (3) is installed on the inclined side surface of the connecting groove; an inclined cross beam (2) is fixedly connected to the side wall, facing the front pile (4), of the rear pile (1), one end of the inclined cross beam (2) is fixedly connected with the rear pile (1), and the other end of the inclined cross beam (2) extends into a connecting groove in the front pile (4) and is hinged to the basin-type rubber support (3).
2. An h-shaped oblique beam shock-absorbing slide-resistant pile as claimed in claim 1, characterized in that the height position of the connection of the rear pile (1) and the oblique beam (2) is higher than the height position of the other end of the oblique beam (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120219601.7U CN214573884U (en) | 2021-01-27 | 2021-01-27 | H-shaped oblique cross beam shock-absorbing anti-slide pile |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120219601.7U CN214573884U (en) | 2021-01-27 | 2021-01-27 | H-shaped oblique cross beam shock-absorbing anti-slide pile |
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| CN214573884U true CN214573884U (en) | 2021-11-02 |
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| CN202120219601.7U Active CN214573884U (en) | 2021-01-27 | 2021-01-27 | H-shaped oblique cross beam shock-absorbing anti-slide pile |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114457815A (en) * | 2022-01-26 | 2022-05-10 | 江苏科技大学 | Double-row bottom-expanding long-and-short combined anti-slide pile |
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2021
- 2021-01-27 CN CN202120219601.7U patent/CN214573884U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114457815A (en) * | 2022-01-26 | 2022-05-10 | 江苏科技大学 | Double-row bottom-expanding long-and-short combined anti-slide pile |
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