CN219547765U - Support pile and dyke - Google Patents

Abstract

The utility model provides a support pile and a support dyke, wherein a groove which is not smaller than the retaining height is formed in one end of a pile body on the retaining side of the support pile, and the other end of the pile body on the retaining side is a flat opening; the recess of pile body one end cross section is the broken line shape, broken line shape recess includes recess limit and transition limit, the recess limit with the base of pile body passes through the transition limit and is connected, can form the filling cavity in the fender soil side of support pile like this, conveniently fills the back filtering material in the filling cavity. According to the utility model, the filling cavity is formed on the retaining side of the support pile, the reverse filtering material is conveniently filled in the filling cavity, and the flexible reverse filtering layer formed by the reverse filtering material can be naturally attached to the pile body joint under the pressure of the soil body at the rear part, so that the self-adaptive effect is achieved, and the soil particle loss is effectively prevented. And the flexible reverse filtering structure has strong adaptability to pile sinking deviation.

Description

Support pile and dyke

Technical Field

The utility model relates to the field of support piles or retaining areas, in particular to a support pile and a retaining wall.

Background

The prestressed concrete pile has the advantages of high pile body bearing capacity, stable quality, economy, high efficiency, good durability, environmental protection on site and the like, is mainly applied to the construction of foundation engineering, is subjected to the action of vertical load, is gradually applied to the retaining engineering of water conservancy and transportation, side slopes and foundation pit enclosures in recent years, and has the characteristics of no need of a closure cofferdam, small excavation and filling and small wet workload when being applied to the wading engineering, and has obvious comprehensive economic advantages compared with the traditional retaining wall.

At present, the prestressed concrete piles commonly used in the support engineering comprise wave piles, flat piles and the like, but the following defects are also found in practical application:

when a support pile without a grouting groove such as a wave pile is constructed, due to the reasons of geology, construction equipment and the like, certain gaps exist between piles in most cases, geotextiles are generally paved behind walls in order to prevent soil loss behind the piles, except for filling soil slopes, the rest of the support piles are required to be excavated behind the piles to be below the elevation of the front mud surface, geotextiles are paved along the whole length of a pile body, and then backfilling compaction is performed, so that the construction is time-consuming and labor-consuming;

if a pile is supported by grouting grooves such as a flat pile, the grooves of the pile are easy to misplace due to construction errors such as perpendicularity and pile position deviation, so that grouting is impossible, and interaction of river water and underground water can be blocked by adopting a grouting mode, so that adverse effects on local ecological internal circulation are caused.

Disclosure of Invention

Aiming at the defects existing in the prior art, the utility model provides the support pile and the dike, wherein a groove which is not smaller than the soil retaining height is arranged at one end of the pile body of the soil retaining side of the support pile, and the other end of the pile body of the soil retaining side is a flat opening, so that a filling cavity can be formed on the soil retaining side of the support pile, a reverse filtering material can be conveniently filled in the filling cavity, and the pile body joint can be naturally attached to the pile body under the pressure of soil at the rear part through the flexible reverse filtering layer formed by the reverse filtering material, thereby achieving the self-adaptive effect and effectively preventing soil particle loss. And the flexible reverse filtering structure has strong adaptability to pile sinking deviation.

The present utility model achieves the above technical object by the following means.

A supporting pile, wherein a groove which is not less than the retaining height is arranged at one end of a pile body on the retaining side of the supporting pile, and the other end of the pile body on the retaining side is a flat opening; the recess of pile body one end cross section is the broken line shape, broken line shape recess includes recess limit and transition limit, the recess limit with the base of pile body passes through the transition limit and is connected, can form the filling cavity in the fender soil side of support pile like this, conveniently fills the back filtering material in the filling cavity.

Furthermore, the included angle between the groove edge and the horizontal axis is not smaller than the included angle between the bottom edge and the horizontal axis, and the purpose is to facilitate demoulding of the produced support pile; in addition, the installation of the filler can be facilitated, and the filler comprises a chock, a geotechnical mat and the like.

Further, the pile body side of retaining side prevent causing the damage of pile body side in pile driving process on the one hand, on the other hand the recess baffle is convenient to be connected with the limiting plate.

A plurality of support piles are connected side by side, and grooves of adjacent support piles form filling cavities; and the filled cavity is filled with a reverse filtering material.

Further, the reverse filtering material is gravels wrapped by geotextile or geotextile-wrapped geotextile mat or geotextile mat and gravels mixture.

Further, a limiting plate is arranged on the outer side of the filling cavity, and the limiting plate is connected with the end plate or the groove baffle.

Further, limiting plates are arranged on the outer sides of the grooves of the adjacent supporting piles respectively, and the heights of the limiting plates on the adjacent supporting piles are the same or different.

Further, when the reverse filtering material is geotextile wrapped with the geotextile mat, the dimension of the geotextile is larger than the width of the geotextile mat.

Further, when the reverse filtering material is geotextile wrapped with crushed stone, the crushed stone is conveyed through the conveying pipe in the bottom cylindrical reverse filtering bag made of geotextile.

The utility model has the beneficial effects that:

1. according to the support pile, the groove which is not smaller than the soil retaining height is formed in one end of the pile body on the soil retaining side of the support pile, the other end of the pile body on the soil retaining side is a flat opening, and the groove in the cross section of one end of the pile body is in a broken line shape, so that a filling cavity can be formed in the soil retaining side of the support pile, and the filling cavity is convenient to be filled with the reverse filtering material.

2. The dike of the utility model forms a filling cavity adjacent to the groove of the support pile; the filling cavity is filled with the reverse filtering material, and the reverse filtering material forms a flexible reverse filtering layer, so that the reverse filtering material can be naturally attached to the pile body joint under the pressure of a rear soil body, the self-adaptive effect is achieved, and soil particle loss is effectively prevented. And the flexible reverse filtering structure has strong adaptability to pile sinking deviation.

3. According to the dike dam disclosed by the utility model, the reverse filtering material is gravels wrapped by geotextile or geotextile wrapped by geotextile mat or geotextile mat and gravels mixed material, compared with the conventional method of paving geotextile in a long way, the material consumption is saved, the gravels or geotextile mat are filled, the water permeability is better, and the exchange of internal and external water bodies is ensured.

4. The construction method of the dike dam provided by the utility model has the advantages that large-area excavation operation is avoided, the construction flow is simplified, the construction efficiency is improved, the filled cavity is filled with the reverse filtering material, the crushed stone is fed into the reverse filtering bag by adopting the feeding pipe, and the damage to geotextile caused by large filling height is prevented.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are needed in the embodiments or the description of the prior art will be briefly described, in which the drawings are some embodiments of the utility model, and it will be obvious to those skilled in the art that other drawings can be obtained from these drawings without inventive effort.

Fig. 1 is a three-dimensional view of a pile according to embodiment 1 of the present utility model.

Fig. 2 is a cross section of a stake according to embodiment 1 of the present utility model.

Fig. 3 is a cross section of a dike dam of embodiment 1 of the present utility model.

Fig. 4 is a cross section of a dike dam of embodiment 2 of the present utility model.

Fig. 5 is a cross section of a stake according to embodiment 3 of the present utility model.

Fig. 6 is a cross section of a dike dam of example 3 of the present utility model.

In the figure:

1-pile body; 1-1-bottom edge; 2-grooves; 2-1-groove sides; 2-2-transition edges; 3-groove baffles; 4-end plates; 5-filling the cavity; 6, a limiting plate; 7-filtering bag.

Detailed Description

The utility model will be further described with reference to the drawings and the specific embodiments, but the scope of the utility model is not limited thereto.

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model.

In the description of the present utility model, it should be understood that the terms "center," "longitudinal," "transverse," "length," "width," "thickness," "upper," "lower," "axial," "radial," "vertical," "horizontal," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

As shown in fig. 1 and 2, the retaining pile of the present utility model has a groove 2 at one end of a pile body 1 at the retaining side of the retaining pile, wherein the other end of the pile body 1 at the retaining side is a flat opening, and the flat opening can be understood as a gap-free structure or shape for retaining the retaining side of the original retaining pile; the groove 2 of pile body 1 one end cross section is the broken line shape, broken line shape groove 2 includes recess limit 2-1 and transition limit 2-2, recess limit 2-1 with the base 1-1 of pile body 1 passes through transition limit 2-2 to be connected, can form the filling cavity in the fender soil side of support pile like this, conveniently pack the anti-filter material in the filling cavity.

Embodiment 1 as shown in fig. 1 and 2, the support pile of embodiment 1 is a semicircular support pile, one side of the pile body of the semicircular support pile is an arc surface, and the other side is a radial plane, namely, a soil retaining side. The pile body 1 on the earth-retaining side is provided with a groove 2 which is not less than the earth-retaining height, and the other end of the pile body 1 on the earth-retaining side is a flat opening. The groove 2 of pile body 1 one end cross section is the broken line shape, broken line shape groove 2 includes groove limit 2-1 and transition limit 2-2, groove limit 2-1 with the base 1-1 of pile body 1 passes through transition limit 2-2 to be connected, groove limit 2-1 is not less than base 1-1 and level to the axis contained angle.

As shown in fig. 1, the top of the groove 2 at one end of the pile body 1 at the soil-retaining side is provided with a groove baffle 3, and the groove baffle 3 is connected with an end plate 4 at one end of the pile body 1, so that on one hand, the pile body side surface at the soil-retaining side can be protected from being damaged in the pile driving process, and on the other hand, the groove baffle is convenient to be connected with a limiting plate.

As shown in fig. 3, the dike according to the present utility model has several supporting piles of embodiment 1 connected side by side, and the grooves 2 adjacent to the supporting piles form filling cavities 5; the filling cavity 5 is filled with a reverse filtering material. The reverse filtering material is gravels wrapped by geotextile or geotextile-wrapped geotechnical mat or geotechnical mat and gravels mixture. The width and thickness of the counter-filter layer are matched to the size of the filling cavity 5.

The construction method of the dike protection comprises the following steps:

vertically driving the support pile at one end of the flat opening downwards into the foundation to the designed elevation;

rectangular battens or section steel, namely chocks, are placed in grooves on the sides adjacent to the next pile to be constructed, and are used for preventing soil bodies from being extruded into the grooves when the next pile is driven, and a reserved space is reserved for reverse filtering measures; the top surface of the wood square or section steel is higher than the top surface of the pile, so that the wood square or section steel is convenient to grasp when taken out;

closely arranging and driving adjacent support piles, and placing rectangular battens or section steel in grooves at the sides far away from the upper piles; the adjacent piles are sequentially processed according to the method.

And (3) when the construction section or the structural section support pile is driven into the foundation to the designed elevation, taking out the rectangular battens or the section steel in the adjacent support pile grooves 2, and filling the filling cavity 5 with the reverse filtering material to form a reverse filtering layer. The filling of the reverse filtering material in the filling cavity 5 is specifically as follows: when the geotextile is adopted to wrap the geotextile mat, the size of the geotextile is larger than the width of the geotextile mat, and the geotextile is directly inserted into the groove 2 after being wrapped.

When the adjacent support piles are driven, and the pore water pressure is too high, the wood square or the section steel is inserted into the grooves 2 on the two sides when the previous driven support piles are extruded, and after the double pressing is in place, the wood square is pulled out to be filled with the reverse filtering measures.

If the size of the formed reverse filtering groove is smaller or the reverse filtering groove has a collapse hole and the like, a Luoyang shovel or rectangular hollow section steel and the like can be adopted to take out the soil body in the groove.

As shown in fig. 4, the dike according to the embodiment 2 of the present utility model is formed by connecting a plurality of support piles of the embodiment 1 side by side, and the grooves 2 adjacent to the support piles form a filling cavity 5; and a limiting plate 6 is arranged on the outer side of the filling cavity 5, and the limiting plate 6 is connected with the end plate 4 or the groove baffle plate 3. The limiting plates 6 are arranged on the outer sides of the grooves of the adjacent supporting piles respectively, the heights of the limiting plates 6 on the adjacent supporting piles are the same or different, the limiting plates 6 of the grooves on the two sides are located at different heights, and the fact that adjacent pile limiting blocks do not collide after pile sinking is guaranteed to influence pile sinking is achieved. The wall surfaces of the grooves 2 of the adjacent support piles and the limit plates 6 wrap the filling cavities 5, and the reverse filtering materials are filled in the filling cavities 5, so that the reverse filtering materials can be shaped in the filling cavities 5, and the reverse filtering materials are prevented from protruding out of the soil retaining side or are prevented from being locally protruded in the axial direction.

The construction method of the dike protection comprises the following steps:

the top end of the groove 2 of the supporting pile is provided with a groove baffle 3 matched with the shape of the groove, a groove limiting plate 6 is arranged at the groove 2 of the supporting pile, and the groove limiting plates of two adjacent piles are positioned at different heights; placing battens or profile steel in the grooves 2; the top surface of the wood square or section steel is higher than the top surface of the pile;

driving all the support piles into the foundation to the designed elevation;

and after pile sinking is finished, taking out the square timber or the section steel in the support pile groove 2, and filling the reverse filtering material in the filling cavity 5 to form a reverse filtering layer.

The filling of the reverse filtering material in the filling cavity 5 is specifically as follows:

1. cutting off the groove limiting plate, wrapping the geotextile with the geotextile, wherein the size of the geotextile is larger than the width of the geotextile, and directly inserting the geotextile into the groove 2 after wrapping;

2. when the geotextile is used for wrapping broken stone, the geotextile is made into a bottom cylindrical counter filter bag 7, and a small amount of broken stone is put into the counter filter bag 7; the filter bag containing a small amount of crushed stone is placed in the bottom of the groove 2, and the crushed stone is sent into the filter bag 7 through the feed pipe until the crushed stone in the filter bag fills the groove 2.

As shown in fig. 5, the pile according to example 3 is a rectangular pile, and the pile body of the rectangular pile is a soil retaining side on one side in the longitudinal direction. The pile body 1 on the earth-retaining side is provided with a groove 2 which is not less than the earth-retaining height, and the other end of the pile body 1 on the earth-retaining side is a flat opening. The groove 2 of pile body 1 one end cross section is the broken line shape, broken line shape groove 2 includes groove limit 2-1 and transition limit 2-2, groove limit 2-1 with the base 1-1 of pile body 1 passes through transition limit 2-2 to be connected, groove limit 2-1 is not less than base 1-1 and level to the axis contained angle.

As shown in fig. 6, the dike according to the present utility model has several piles of embodiment 3 connected side by side, and the grooves 2 adjacent to the piles form filling cavities 5; the filling cavity 5 is filled with a reverse filtering material.

It should be understood that although the present disclosure has been described in terms of various embodiments, not every embodiment is provided with a separate technical solution, and this description is for clarity only, and those skilled in the art should consider the disclosure as a whole, and the technical solutions in the various embodiments may be combined appropriately to form other embodiments that will be understood by those skilled in the art.

The above list of detailed descriptions is only specific to practical embodiments of the present utility model, and they are not intended to limit the scope of the present utility model, and all equivalent embodiments or modifications that do not depart from the spirit of the present utility model should be included in the scope of the present utility model.

Claims (9)

1. The support pile is characterized in that one end of a pile body (1) on the soil retaining side of the support pile is provided with a groove (2) which is not smaller than the soil retaining height, and the other end of the pile body (1) on the soil retaining side is a flat opening;

the groove (2) of pile body (1) one end cross section is the broken line shape, broken line shape groove (2) are including groove limit (2-1) and transition limit (2-2), groove limit (2-1) with base (1-1) of pile body (1) is through transition limit (2-2) connection.

2. A pile according to claim 1, characterised in that the recess edge (2-1) is at an angle to the horizontal axis which is not smaller than the angle of the base edge (1-1) to the horizontal axis.

3. A pile according to claim 1, characterised in that the top of the recess (2) at one end of the shaft (1) at the retaining side is provided with a recess baffle (3), the recess baffle (3) being connected to an end plate (4) at one end of the shaft (1).

4. A dike, characterized in that several piles according to any of claims 1-3 are connected side by side and that the grooves of adjacent piles form a filling cavity (5); the filling cavity (5) is filled with a reverse filtering material.

5. A dike as claimed in claim 4 wherein the reverse filtering material is geotextile wrapped crushed stone or geotextile wrapped geotextile mat or geotextile mat and crushed stone mixture.

6. A dike dam according to claim 4, wherein a limiting plate (6) is arranged outside the filling cavity (5), and the limiting plate (6) is connected with the end plate (4) or the groove baffle (3).

7. A dike according to claim 6, wherein the outer sides of the grooves of adjacent pile supports are respectively provided with a limiting plate (6), and the heights of the limiting plates (6) on the adjacent pile supports are the same or different.

8. The dike dam of claim 5, wherein the size of the geotextile is greater than the width of the geotextile mat when the reverse filter material is geotextile wrapped around the geotextile mat.

9. A dike according to claim 5 wherein when the reverse filter material is geotextile wrapped with crushed stone, crushed stone is conveyed through the feed tube in a geotextile made bottom cylindrical reverse filter bag.