CN219033252U

CN219033252U - Double antidetonation stake supporting construction of lock joint

Info

Publication number: CN219033252U
Application number: CN202223242972.0U
Authority: CN
Inventors: 敖小兵; 陈兴培; 武邦芳; 曹靖; 潘涛; 李修磊; 郁金平
Original assignee: China Railway 12th Bureau Group Municipal Engineering Co Ltd
Current assignee: China Railway 12th Bureau Group Municipal Engineering Co Ltd
Priority date: 2022-12-02
Filing date: 2022-12-02
Publication date: 2023-05-16
Anticipated expiration: 2032-12-02

Abstract

The utility model discloses a buckling double-row anti-seismic pile supporting structure, which comprises front row piles and rear row piles which are distributed in parallel, wherein the front row piles and the rear row piles are arranged in a forked manner, the front row piles and two adjacent rear row piles are fixedly connected through a plurality of connecting beams, and the adjacent front row piles and the adjacent rear row piles are fixedly connected through retaining plates; the front row of piles and the rear row of piles have the same structure; the front row piles are connected with the connecting beam and the soil retaining plate through the buckle connecting pieces, and the rear row piles are connected with the connecting beam and the soil retaining plate through the buckle connecting pieces. Compared with the traditional double-row pile structure, the double-row pile structure has the advantages of being good in shock resistance, high in safety, convenient to install and the like. The retaining plates and the connecting beams in the double-row pile connecting member can be prefabricated, so that the construction period can be shortened to a certain extent, and the double-row pile connecting member is convenient to transport to a construction site for assembly at any time.

Description

Double antidetonation stake supporting construction of lock joint

Technical Field

The utility model relates to the field of landslide support, in particular to a buckling double-row anti-seismic pile support structure.

Background

Due to special geological hydrologic conditions, clay landslide is widely distributed in southwest areas, and the soil mass of the landslide is easy to soften and weaken due to rainwater infiltration. In addition, in the southwest area, the earthquake zone is close to European Asia, the new structure movement is strong, the fracture structure development is particularly carried out on the areas such as Tibet, sichuan west, yunnan midwest and the like, and the earthquake, landslide and other geological disasters are frequent and serious. With the deep implementation of large development policies in the west of China, a plurality of engineering constructions in the southwest area are greatly developed. Under a plurality of unfavorable geological conditions, the retaining wall is not suitable for any more, and a more economic and reasonable supporting structure design mode is urgently needed, wherein the anti-slide pile is a supporting structure penetrating through soil and embedded in a slide bed, is suitable for shallow middle-layer landslide, and is widely applied due to the advantages of small earthwork quantity, short construction period, economy and the like. However, due to the difference of geology and climate conditions, the existing single-row piles or the traditional double-row piles often cannot provide enough anti-skid thrust, and the supporting effect on the sliding bed is poor; in addition, the existing single-row piles or the traditional double-row piles can only be constructed or assembled at the place where the sliding bed is located, so that the installation is inconvenient, the construction period is long, and therefore, the double-row anti-seismic pile supporting structure which is convenient to install and shortens the construction period and is fastened is necessary.

Disclosure of Invention

Aiming at the defects in the prior art, the utility model provides the buckling double-row anti-seismic pile supporting structure which is better in anti-skidding thrust, convenient to install and shortened in construction period.

In order to achieve the aim of the utility model, the utility model adopts the following technical scheme: the front row piles and the rear row piles are arranged in parallel, the front row piles and the rear row piles are arranged in a crossing manner, the front row piles are fixedly connected with two adjacent rear row piles through a plurality of connecting beams, and the adjacent front row piles and the adjacent rear row piles are fixedly connected through retaining plates; the front row of piles and the rear row of piles have the same structure; the front row piles are connected with the connecting beam and the soil retaining plate through the buckle connecting pieces, and the rear row piles are connected with the connecting beam and the soil retaining plate through the buckle connecting pieces.

Further, the buckle connecting piece comprises two buckle steel rings arranged on the front row piles, a plurality of transverse plug-in cylinders fixed on the buckle steel rings, transverse plug-in parts matched with the transverse plug-in cylinders, buckle mounting grooves fixedly connected with the transverse plug-in parts, and vertical plug-in parts matched with the buckle mounting grooves, wherein the vertical plug-in parts are fixed on the connecting beam and the retaining plate.

Further, the buckle mounting groove is the scraper bowl form, and the scraper bowl opening of buckle mounting groove upwards, and the both sides inside of buckle mounting groove is provided with triangle-shaped interior dogtooth, and the both sides outside of vertical grafting portion is provided with triangle-shaped evagination tooth with triangle-shaped interior dogtooth complex.

Further, two transverse plug-in cylinders are arranged on the buckle mounting groove and are in plug-in fit with the transverse plug-in parts on the two buckle steel rings.

Further, the vertical inserting portion is welded and fixed on the connecting beam and the soil retaining plate.

Further, the front row piles comprise a plurality of vertical steel bar groups and a plurality of circumferential steel bars, the plurality of vertical steel bar groups are circumferentially distributed, and the circumferential steel bars are fixedly wound outside the vertical steel bar groups; each group of vertical steel bars comprises two vertical steel bars.

Further, triangular saw tooth grooves are formed in two sides of the transverse plug-in cylinder.

Further, the pile diameter of the front row of piles is larger than that of the rear row of piles.

Further, the connecting beam is a steel bar net column, and the soil retaining plate is a steel bar net wall.

Further, two connecting beams are arranged between the front row piles and the two adjacent rear row piles, one connecting beam is positioned in the middle of the front row piles, and the other connecting beam is positioned at the top of the front row piles.

The beneficial effects of the utility model are as follows: the utility model comprises a front row of piles, a rear row of piles, a buckle connecting piece, a connecting beam and a soil retaining plate; the connecting beam and the retaining plate are connected with the front row piles and the rear row piles through the buckle connecting pieces, so that a truss structure is integrally formed, and meanwhile, the buckle connecting pieces at the two ends of the connecting beam and the retaining plate enable the double row piles to be integrally connected with the connecting beam and the inner reinforcing steel bar net of the retaining plate, so that the stability and the integral rigidity of the supporting structure are greatly enhanced; the fastening connection structure has semi-flexibility and semi-rigidity, and is applied to double-row piles in a fixing mode similar to a plastic fastening mode, so that the shock resistance of the integral structure is effectively improved.

Compared with the traditional double-row pile structure, the double-row pile structure has the advantages of good shock resistance, high safety, convenience in installation and the like.

The retaining plates and the connecting beams in the double-row pile connecting member can be prefabricated, so that the construction period can be shortened to a certain extent, and the double-row pile connecting member is convenient to transport to a construction site for assembly at any time.

According to the buckling double-row anti-seismic pile supporting structure, the double-row piles, particularly the front-row piles, mainly bear landslide thrust, and the retaining plates and the connecting beams are used as connecting members to connect the double-row piles in a buckling manner, so that the stability and the anti-sliding thrust of the whole structure are improved to a greater extent, a water-seepage softened sliding surface can be supported to a certain extent, and the buckling connection manner also enables the supporting structure to have a certain anti-seismic capacity.

The double-row pile supporting structure adopts the buckling connection mode to connect the whole, so that the installation of the subsequent retaining plate and the connecting beam is simple and quick, a great amount of labor and economic cost are saved, the earthquake resistance of the whole structure can be improved to a certain extent, and the double-row pile supporting structure is suitable for being used on geological slopes of rainy clay engineering.

The utility model has simple structure and novel form, the supporting structure is a truss structure as a whole, has the advantages of strong anti-slip thrust, large bearing capacity and the like, and meanwhile, compared with the traditional double-row piles, the connecting part of the system has higher degree of freedom, so that the construction period can be shortened, the damage to the surrounding environment can be reduced, the integral structure caused by the damage of the connecting part can be avoided to a certain extent under the action of an earthquake, the later replacement and maintenance are facilitated, and the engineering cost is reduced.

The utility model uses double-row piles as a primary support, the retaining plate and the connecting beam as a secondary support, the retaining plate can support the seepage softening sliding surface to a certain extent, and the connecting beam is used as a connecting member for connecting the front row piles and the rear row piles, and forms a truss structure with the double-row piles and the retaining plate, thereby greatly improving the deformation resistance and the seepage softening sliding surface resistance of the support system.

Drawings

FIG. 1 is a schematic diagram of a top view of the present utility model;

FIG. 2 is a schematic diagram of a side view of the present utility model;

FIG. 3 is a schematic view of a snap connection;

FIG. 4 is a schematic structural view of a buckle steel ring;

FIG. 5 is a front view of the snap fit slot;

FIG. 6 is a front view of a vertical plug section;

FIG. 7 is a side view of a plug section;

wherein the symbols of the components are as follows;

1. a tie beam; 2. a soil retaining plate; 3. front row piles; 4. rear row piles;

5. a snap-fit connection; 51. fastening a steel ring; 52. a transverse plug-in cylinder; 53. a buckle mounting groove; 54. a transverse plug-in part; 55. triangular inner convex teeth; 56. a vertical plug-in part; 57. triangular convex teeth.

Detailed Description

The following description of the embodiments of the present utility model is provided to facilitate understanding of the present utility model by those skilled in the art, but it should be understood that the present utility model is not limited to the scope of the embodiments, and all the utility models which make use of the inventive concept are protected by the spirit and scope of the present utility model as defined and defined in the appended claims to those skilled in the art.

As shown in fig. 1 and 2, the pile comprises a row of front piles 3 and a row of rear piles 4 which are distributed in parallel, wherein the front piles 3 and the rear piles 4 are arranged in a crossing way, and the front piles 3 and the two adjacent rear piles 4 are fixedly connected through a plurality of connecting beams 1; two connecting beams 1 are arranged between the front row piles 3 and the two adjacent rear row piles 4, one connecting beam 1 is positioned in the middle of the front row piles 3, and the other connecting beam 1 is positioned at the top of the front row piles 3. The adjacent front row piles 3 and the adjacent rear row piles 4 are fixedly connected through the soil retaining plates 2; the front row piles 3 and the rear row piles 4 have the same structure; the front row piles 3 are connected with the connecting beam 1 and the soil retaining plate 2 through the buckle connecting pieces 5, and the rear row piles 4 are also connected with the connecting beam 1 and the soil retaining plate 2 through the buckle connecting pieces 5. Wherein the rear row of piles 4 is close to the landslide side. Wherein the pile diameter of the front row piles 3 is larger than the pile diameter of the rear row piles 4. The aperture of the front row piles 3 is preferably 4m, and the distance between the front row piles 3 is preferably 5m. The aperture of the rear row piles 4 is preferably 3m, and the distance between the rear row piles 4 is preferably 5m.

As shown in fig. 3, 4, 5, 6 and 7, the buckle connector 5 comprises two buckle steel rings 51 installed on the front row piles 3, a plurality of transverse plug-in cylinders 52 fixed on the buckle steel rings 51, transverse plug-in parts 54 matched with the transverse plug-in cylinders 52, buckle mounting grooves 53 fixedly connected with the transverse plug-in parts 54, and vertical plug-in parts 56 matched with the buckle mounting grooves 53, wherein the vertical plug-in parts 56 are fixed on the connecting beam 1 and the retaining plate 2. 1 wherein the height of the snap 51 rim is preferably 0.3m. After the vertical inserting part 56 is inserted and fixed in the connecting beam 1 and the soil retaining plate 2, the vertical inserting part can be further welded and fixed, so that the connection strength is improved.

Two transverse plug-in cylinders 52 are arranged on the buckle mounting grooves 53, and the transverse plug-in cylinders 52 are in plug-in fit with transverse plug-in parts 54 on the two buckle steel rings 51.

The buckle mounting groove 53 is bucket-shaped, the bucket opening of the buckle mounting groove 53 is upward, triangular inner convex teeth 55 are arranged inside two sides of the buckle mounting groove 53, and triangular outer convex teeth 57 matched with the triangular inner convex teeth 55 are arranged outside two sides of the vertical inserting connection part 56. The triangular inner convex teeth 55 are matched with the triangular outer convex teeth 57, so that the vertical inserting part 56 is inserted into the buckle mounting groove 53 in a one-way mode, and buckle fixing is formed.

In this embodiment, the front row piles 3 include a plurality of vertical reinforcing bar groups and a plurality of circumferential reinforcing bars, the plurality of vertical reinforcing bar groups are circumferentially distributed, and the circumferential reinforcing bars are fixedly wound outside the vertical reinforcing bar groups; each group of vertical steel bars comprises two vertical steel bars.

In this embodiment, the connecting beam 1 is a steel mesh column, and the retaining plate 2 is a steel mesh wall. The device is convenient to prefabricate in advance, and the installation process of the device is reduced.

In this embodiment, triangular saw tooth slots are provided on both sides of the transverse socket 52. The triangular-shaped saw tooth grooves reduce the outer area of the lateral insertion portion 54, which facilitates insertion of the lateral insertion portion 54 into the lateral insertion barrel 52.

Working principle and installation process thereof:

s1: determining the installation positions of the connecting beam 1 and the retaining plate 2, and prefabricating the connecting beam 1, the retaining plate 2, the front row piles 3 and the rear row piles 4 in advance;

s2: firstly, installing two buckling steel rings 51 on a front row pile 3 and a rear row pile 4, and plugging and fixing buckling installation grooves 53 through transverse plugging barrels 52 on the buckling steel rings 51, so that two transverse plugging parts 54 are plugged and fixed on the transverse plugging barrels 52 of the two buckling steel rings 51, and fixing the buckling installation grooves 53 is completed;

s3: then, fixing a plurality of vertical inserting parts 56 matched with the buckle mounting grooves 53 at the two side ends of the connecting beam 1 and the retaining plate 2, and welding and fixing the vertical inserting parts 56 on the connecting beam 1 and the retaining plate 2;

s4: then aligning the vertical inserting parts 56 on the connecting beam 1 and the retaining plate 2 with the buckle mounting grooves 53, so that the upper parts of the vertical inserting parts 56 are slidably inserted into the bottoms of the buckle mounting grooves 53, and the connecting beam 1 and the retaining plate 2 are mounted and fixed;

s5: and finally, pouring concrete into the steel meshes of the connecting beam 1, the soil retaining plate 2, the front row piles 3 and the rear row piles 4, and completing construction and installation of the buckling double-row anti-seismic pile supporting structure.

Claims

1. The utility model provides a lock joint double anti-seismic pile supporting construction which is characterized in that, including front row pile (3) and back row pile (4) of parallel distribution, front row pile (3) with back row pile (4) alternately set up, front row pile (3) are with two adjacent department back row pile (4) between through a plurality of tie bars (1) fixed connection, adjacent between front row pile (3), adjacent between back row pile (4) through retaining plate (2) fixed connection; the front row of piles (3) and the rear row of piles (4) have the same structure;

the front row piles (3) are connected with the connecting beam (1) and the soil retaining plate (2) through the buckle connecting pieces (5), and the rear row piles (4) are connected with the connecting beam (1) and the soil retaining plate (2) through the buckle connecting pieces (5).

2. The buckling double-row anti-seismic pile supporting structure according to claim 1, wherein the buckling connecting piece (5) comprises two buckling steel rings (51) installed on the front row piles (3), a plurality of transverse plug-in cylinders (52) fixed on the buckling steel rings (51), transverse plug-in parts (54) matched with the transverse plug-in cylinders (52), buckling installation grooves (53) fixedly connected with the transverse plug-in parts (54) and vertical plug-in parts (56) matched with the buckling installation grooves (53), and the vertical plug-in parts (56) are fixed on the connecting beam (1) and the retaining plate (2).

3. The buckling double-row anti-seismic pile supporting structure according to claim 2, wherein the buckling installation groove (53) is in a bucket shape, a bucket opening of the buckling installation groove (53) is upward, triangular inner convex teeth (55) are arranged inside two sides of the buckling installation groove (53), and triangular outer convex teeth (57) matched with the triangular inner convex teeth (55) are arranged outside two sides of the vertical inserting portion (56).

4. A buckling double-row anti-seismic pile supporting structure according to claim 3, wherein two transverse plug cylinders (52) are arranged on the buckling installation groove (53), and the transverse plug cylinders (52) are in plug fit with transverse plug parts (54) on two buckling steel rings (51).

5. The buckling double-row anti-seismic pile supporting structure according to claim 2, wherein the vertical insertion part (56) is welded and fixed on the connecting beam (1) and the soil retaining plate (2).

6. The buckling double-row anti-seismic pile supporting structure according to claim 2, wherein triangular saw tooth grooves are formed on two sides of the transverse plug-in cylinder (52).

7. The buckling double-row anti-seismic pile supporting structure according to claim 1, wherein the front row piles (3) comprise a plurality of vertical steel bar groups and a plurality of circumferential steel bars, the plurality of vertical steel bar groups are circumferentially distributed, and the circumferential steel bars are fixedly wound outside the vertical steel bar groups; each vertical steel bar group comprises two vertical steel bars.

8. The buckling double-row anti-seismic pile supporting structure according to claim 1, wherein the pile diameter of the front row piles (3) is larger than the pile diameter of the rear row piles (4).

9. The buckling double-row anti-seismic pile supporting structure according to claim 1, wherein the connecting beam (1) is a steel mesh column, and the soil retaining plate (2) is a steel mesh wall.

10. The buckling double-row anti-seismic pile supporting structure according to claim 1, wherein two connecting beams (1) are arranged between the front row piles (3) and the two adjacent rear row piles (4), one connecting beam (1) is positioned in the middle of the front row piles (3), and one connecting beam (1) is positioned at the top of the front row piles (3).