JPH08269950A - Pile for civilengineering works - Google Patents

Abstract

PURPOSE: To stabilize underground a pile under civilengineering works and prevent slipping out of the pile by forming it from a joint pile and a leading pile furnished with an opening in the side wall, and fitting a core having a plurality of wedges in each pile. CONSTITUTION: The head tip of a leading pile 2 is shaped conical, while the tail end is left open, and a connection part is formed into a single piece at the edge of the opening. The inside of each joint pile 2' is made hollow, and the two ends are left open. Further an opening 4 is bored in the side wall of each pile, and each wedge 6 furnished at a core 5 is protruded to outside the pile from the opening 4. At service, the leading pile 2 is previously driven into the earth, and a necessary number of joint piles 2' are put in connections. After completion of driving, the core 5 is pressed. The core 5 moves toward the head tip of the pile, and the wedge 6 of the core 5 protrudes into the earth through the opening 4 or 3' so that the rooted state is established.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a pile for civil engineering work used for revetment work, road work, or foundation work for construction and construction. In particular, it relates to a civil engineering work pile that has a core body with a wedge body inside, and to a civil engineering work pile that has never existed before. The present invention relates to a civil engineering work pile that can also be used as a working pile.

[0002]

[Previous technology] There are various types of conventional civil engineering work piles. For example, a cylinder with a conical tip, one with a triangular shape, one with a triangular overall shape and a sharp tip, and further with a cylindrical lower part, There are various other members, for example, those having a disc body attached thereto, or those having a horizontal bar simply attached to the lower portion of the column member. Most of the materials for these civil engineering construction piles are made of concrete or iron. Not only civil engineering work piles made of concrete material, but also civil engineering work piles made of other materials have a core body with a wedge body inside the pile body, , Pile for civil engineering work, which is configured to prevent the wedge body of the core body from piercing into the soil on the slope or vice versa and preventing the pile for civil engineering work from coming out,
It's something that hasn't been found before.

[0003]

The conventional civil engineering work piles have various shapes and sizes. And the material was mostly made of concrete or iron. The most popular piles for civil engineering work are formed in a cylindrical pyramidal shape or a cylindrical shape. When using such piles for civil engineering work for revetment work on rivers, coasts, or roads,
The civil engineering work pile was used by driving it diagonally or vertically. This also applies to civil engineering work for construction and construction. For this reason, even if a pile for civil engineering work is struck in a place where the soil quality is fragile or on a soft ground, the pile itself may not be stable, may shake, or may slip out of the ground. Even in a hard place, the civil engineering work pile has a drawback that it may shake or pop out over time. Also in terms of earthquake resistance, the existing civil engineering work piles were still unstable. If the piles for civil engineering work are swaying, unstable, or protruding in this way, the construction is dangerous, and there is a considerable risk even after the completion of construction, which is inconvenient. . The present invention is intended to provide a pile for civil engineering work which can improve such drawbacks and inconveniences and can maintain a more stable state in soil.

[0004]

In order to solve the above-mentioned drawbacks and inconveniences, one end is formed into a conical or pyramidal shape, the other end is open and has a connecting portion, and the inside is hollow. Which is formed on the side wall and has a plurality of openings on the side wall, and a core body having a plurality of wedge bodies whose tips are formed in an acute angle is mounted in the pile body, the civil engineering work as a leading pile body. A pile (hereinafter referred to as a leading pile) having a hollow inner shape with both ends open, one end serving as a fitting part, the other end having a connecting part, and a plurality of openings on the side wall. For civil engineering work as a joint pile body, in which a core body having a plurality of wedge bodies with sharply formed tips and a medium-strength body of appropriate length is mounted in the pile body provided with For civil engineering work piles that combine piles (hereinafter referred to as joint piles) and the openings of the combined civil engineering work piles. Pile for civil engineering work with wedge body guide pocket metal fittings, pile for civil engineering work in the shape of a column or prism, an opening is provided at the connection part of the leading pile body and joint pile body, and at one end side of the joint pile body. Pile for civil engineering work with an open hole,
Also, the pedestal portion of the core body is cylindrical or prismatic, and the pedestal portion is provided with notches, or the corners of the pedestal portion are cut off, and the piles for civil engineering work, and further, both side walls of the wedge body or This is solved by using a pile for civil engineering work in which a plurality of cutouts is provided on one side wall. The present invention thus seeks to provide an entirely new civil engineering work pile that has never been seen before.

[0005]

[Operation] In this invention, the leading pile body can be used alone as a pile for civil engineering work, but normally, a core body with multiple wedge bodies attached to the pile body is installed. As with civil engineering work piles (lead piles), a pile for civil engineering work (joint pile body) in which a core body having a plurality of wedge bodies and a hitting body is mounted inside the pile body In that case, the tip end of each wedge body is mounted so as to engage with the inside end of the opening pile body provided on the side wall of the pile body. Therefore, first, the tip of the pile for civil engineering work is driven into the soil. After driving the civil engineering work pile up to the required limit, apply a suitable material, such as a log material, a column material or a prismatic material, to the opening at the other end of the civil engineering work pile. By hitting
The core body installed inside this civil engineering work pile,
Drive in the direction of the tip of this civil engineering work pile. By doing so, the first core body moves in the tip direction and at the same time, is fixed to this core body, and the tip of the wedge is attached to the opening inner side end of the pile body provided at the side wall of the pile body. The body will move into the soil through the opening. At the same time, the medium hitting body provided in the first moving core body presses the core body provided in the tip pile body, so that the core body provided in the tip pile body moves. As a result, the wedge body provided on the core body sequentially projects into the soil through the opening of the pile body. Then, the closer the core body is to the tip of the wedge body, the deeper and diagonally it is stabbed into the soil. Also,
When driving this civil engineering work pile deep into the soil, the joint pile bodies can be successively spliced and buried deep in the soil.Even in that case, the civil engineering work pile can be stabbed deep into the soil. By stopping at an appropriate place and then following the same procedure, the wedge body is stuck in the soil and can be locked deeply in the soil as a pile for civil engineering work. The present invention has such an action.

[0006]

Embodiments of the present invention will be described below with reference to the drawings. 1 is an overall view of the present invention, FIG. 2 is a sectional view, FIG. 3 is a perspective view of a core body mounted in a lead pile body, FIG. 4 is a perspective view of a core body mounted in a joint pile body, and FIG. FIG. 6 is an overall perspective view of the wedge guide pocket metal fitting, FIG. 7 is an overall view showing another embodiment, and FIG. 8 is a perspective view of a core body mounted in a leading pile body of another embodiment. FIG. 9 is a perspective view of a core body mounted in a joint pile body of another embodiment.

(1) is the main body of the pile for civil engineering work according to the present invention. The civil engineering work pile body (1) is usually composed of a leading pile body (2) and a joint pile body (2 '), and the leading pile body (2) and the joint pile body (2') are bonded together. It is joined and fixed by a known method such as fitting. However, the pile body for civil engineering work (1) does not necessarily include the leading pile body (2) and one joint pile body (2 ′),
Depending on the type of construction, the joint pile body (2 ′) can be further joined and fixed onto the joint pile body (2 ′). This civil engineering work pile body (1) is a leading pile body (2).
Depending on the shape of the joint pile body (2 '), various shapes such as a columnar shape and a prismatic shape can be formed.
For example, it can be configured in a triangular shape or a pentagonal shape.
The civil engineering work pile body (1) is mainly formed of a metal material or a concrete material. However, depending on the type of civil engineering work, it is possible to manufacture using a hard synthetic resin material.

(2) is a leading pile body. The leading pile body (2) is configured as follows. One end side (tip) is formed in a cone or pyramid shape, and the other end side (side to be connected to the joint pile body) is formed in an opening shape, and the connection portion is integrally formed at the opening edge portion. ing. Furthermore, the inside of the leading pile body (2) is hermetically closed in a certain range on the tip end side, and is formed in a hollow shape toward the other end side. The side wall of the leading pile body (2) is provided with a plurality of openings. The opening provided on the side wall may be provided at a convenient place, but in this embodiment, it is provided symmetrically and regularly. Further, the connecting portion is provided with an opening portion, and further, the inner wall of the connecting portion can be provided with a screw groove. The leading pile body (2) is configured by mounting the core body having a plurality of sharp wedge-shaped tips at the inner side of the leading pile body (2) formed in this way.

(2 ') is a joint pile. The joint pile body (2 ′) is joined and fixed to the leading pile body (2) to form the pile body (1) for civil engineering work. This joint pile body (2 ') is configured as follows. The inside is hollow and both ends are open, and one end side, that is, the side to be joined with the leading pile body (2) is a fitting part, and the fitting part is provided with an opening part and the other end. On the side, that is, on the side opposite to the leading pile body (2) side, a connecting portion is integrally formed with the opening edge portion, and an opening portion is provided on the side wall thereof, and this opening portion is convenient. Although it may be provided at a position, it is provided symmetrically and regularly in this embodiment. Further, an opening portion is provided in the connection portion, similarly to the fitting portion on one end side, and a screw groove can be provided in the inner wall of the connection portion.
Inside the joint pile body (2 ′) formed in this manner, a plurality of wedge bodies having sharp-edged tips and a core body having a medium-strength body of a suitable length are attached to form a joint pile body ( 2 ') is constructed.

(3) is a connecting portion. This connection (3)
Is provided on each of the leading pile body (2) and the joint pile body (2 ′). The connecting portion (3) is connected to the leading pile body (2) by
It is integrally formed on the end side opposite to the tip side, that is, on the outer side of the opening-shaped edge portion on the side where the joint pile body (2 ') is joined and fixed, and in the joint pile body (2'), the leading pile body. (2) is integrally formed on the outer side of the opening-like edge portion on the side opposite to the side fixed to the joint. Openings are regularly provided in the connecting portions (3). By fitting the fitting portion of the joint pile body (2 ′) to the connecting portion (3), for example, the connecting portion (3) of the leading pile body (2), and joining and fixing, the leading pile body (2) is formed. ) And the joint pile body (2 ') function as one pile for civil engineering work. Further, by further fitting and fixing the fitting portion of the joint pile body (2 ′) to the connecting portion (3) of the joint pile body (2 ′), it can be used as a longer civil engineering work pile. It is a thing. Incidentally, in order to facilitate the fitting and joining, a screw groove may be provided inside the connecting portion (3).

(3 ') is an opening. The openings (3 ') are regularly provided in the connection part (3). The openings (3 ') are also regularly provided on the fitting portion side of the joint pile body (2'). For example, in this embodiment and other embodiments, the openings (3 ') are regularly provided at the connecting portion (3) at four positions. It does not necessarily have to be four places. Since the connection part (3) is provided with the four openings (3 ') regularly, the fitting pile side of the joint pile body (2') is also regularly provided with four openings ( 3 ') is provided. In this way the opening (3 ')
By providing each of them, it is convenient for fitting and fixing the leading pile body (2) and the joint pile body (2 ′). That is, for example, by fitting the fitting portion of the joint pile body (2 ′) to the connection portion (3) of the lead pile body (2) and aligning the respective opening portions (3 ′), the lead pile body ( 2) and the joint pile body (2 ') are joined and fixed without displacement. Openings (3 ') provided in each of these
Thus, not only does it function to join and fix the leading pile body (2) and the joint pile body (2 ′) in a straight line, but also the joint pile body (2 ′) joint pile body ( It also functions to bind and fix 2 ') in a straight line.

(4) is an opening. This opening (4)
Is provided on the side walls of the leading pile body (2) and the joint pile body (2 ′). This opening (4) may be provided conveniently, but it is preferably provided regularly on the side wall of the pile body in relation to the wedge body provided on the core body. In this embodiment and the other embodiments, the sidewalls are provided at a total of eight locations in a regular symmetric manner with some elevation. That is, on the side wall of the leading pile body (2) as well as the joint pile body (2 ').
The side walls of the are also provided with openings (4) at eight positions in a regular symmetry with a certain height. Although the wedge body provided in the core body mounted inside protrudes from all of the openings (4), it does not necessarily have to protrude from all the openings (4). is there. In this and other embodiments, the wedges are configured to project from all openings (4). Further, other metal fittings can be provided in the opening (4).

Both (5) and (5 ') are core bodies. The core bodies (5) and (5 ') are partially different in the constitution. The core body (5) is mounted in the leading pile body (2), and the core body (5 ') is mounted in the joint pile body (2'). Therefore, the core body (5) does not have the hitting body that the core body (5 ') has. This is because if the core body (5) mounted in the leading pile body (2) is not pressed by the core body (5 ') mounted in the joint pile body (2'), the leading pile body (2) is This is because the core body (5) in () does not move and therefore the wedge body of the core body (5) does not project into the soil. Therefore, the core body (5) and the core body (5 ′) have different configurations. The core body (5) is provided with a wedge body having a suitable number of tips formed in an acute angle. In this embodiment and other embodiments, two pieces are provided in front and back, and eight pieces are provided in a regular symmetrical manner with a slight height difference on the left and right sides.
However, the number does not necessarily have to be eight. With regular symmetry, it is possible to use a suitable number of 6 or 10 sheets. In addition to the wedge body, the core body (5 ') is provided with a medium hitting body vertically at an appropriate length in the center of the core body. The core body (5) configured in this way is mounted in the leading pile body (2), and the core body (5 ') is mounted in the joint pile body (5'). Each attached core body (5)
(5 ') does not easily fall in the leading pile body (2) and the joint pile body (2'). It is done by the action of friction and wedges.

(6) is a wedge. This wedge (6)
The tip is formed in an acute angle. This is because by forming in this way, it is easy to project into the soil, and the soil is stabbed deeper. Of course, other shapes may be used. This wedge (6)
In this and other examples, the core body (5)
8 sheets are attached to each of (5 '). However, the number of sheets does not necessarily have to be eight. For example, 6 or 10 sheets may be used. It is also possible to increase or decrease the wedge body (6) according to the difficulty level of the civil engineering work. The wedge body (6) is configured to be long and short in the vertical direction in the core bodies (5) and (5 '). This is to fit the openings (4) provided on the side walls of the leading pile body (2) and the joint pile body (2 ′). The wedge body (6) is configured so that it can easily go out from the opening (4). The core bodies (5) and (5 ') are attached so that the tips of the wedge bodies (6) are in contact with the inner ends of the openings (4). Since the metal fitting for guiding the wedge body (6) can be provided in the opening (4), the wedge body (6) can be more easily projected from the opening (4) to the outside. Further, notches (10) may be provided on both side walls or one side wall of the wedge body (6). By providing the notch (10), the root strength of the wedge body 6 can be increased.

(7) is a medium hit body. This medium hit body (7)
Is a core body (5 ') mounted in the joint pile body (2')
Like the wedge body (6), it is vertically attached and fixed to the central portion of the. One end of the medium hitting body (7) is adhesively fixed to the core body (5 '), and the other end is vertically downward. The tip of the other end may be formed in a cylindrical shape or a prism shape, or may be formed in another shape. The medium hitting body (7) is constructed in a suitable size with a slight length of the wedge body (6) formed on the core body (5 ') at the same time. The medium hitting body (7) is, for example, the core body (5 ').
By pressing, it moves downward, that is, toward the tip of the pile body for civil engineering (1), passes through the inside of the joint pile body (2 ′), and the core body (5) of the lead pile body (2) is removed. It is to press. The core body (5) in the leading pile body (2) is moved in the distal direction by the pressing of the medium hitting body (7), and the wedge body (6) fixed to the core body (5) is opened. At the same time as projecting from the portion (4), the wedge body (6) provided on the core body (5 ') also projects outward. The medium hitting body (7) acts in this way. Even when the joint pile bodies (2 ′) are connected, the same operation is performed.

(8) is a wedge guide pocket metal fitting. The wedge guide pocket metal fitting (8) is constructed such that the outer surface is inclined toward the opening end, only two surfaces are open, and a slight locking portion is provided on the front opening end side. It is provided and configured. The wedge body guide pocket metal fitting (8) having such a structure is provided with an opening (4) provided on each side wall of the leading pile body (2) and the joint pile body (2 ′).
It can be attached and fixed to. This wedge-shaped guide pocket metal fitting (8) has some sizes.
Depending on the height of the opening (4), there is a slight change in the size of attachment. That is, the wedge body guide pocket metal fitting (in which the long tip of the wedge body (6) fixedly attached to the core bodies (5) and (5 ') incorporates the shorter tip of the same wedge body (6) ( This is because the wedge body (6) is mounted so as to be housed in the wedge body guide pocket metal fitting (8) in which the longer tip of the wedge body (6) is not touched. The wedge guide pocket metal fitting (8) provided in the opening (4) as described above, when the core body (5) (5 ') is pushed,
The wedge body (6) can be easily projected from the opening (4) to the outside, that is, into the soil. The wedge body guide pocket metal fitting (8) performs such a function, and at the same time, in the usual case, the tip of the wedge body (6) touches the bottom surface of the metal fitting (8), so that the core body (5) (5 '). ) Also has a function of preventing falling.

(9) is a notch or a cut surface. This notch or section (9) is what is shown in this and other embodiments. The notch (9) is
This is a case where the core bodies (5) (5 ') are configured in a cylindrical shape (Figs. 3 and 4), and the cut surface (9) has a prismatic shape (particularly a square shape) in the core bodies (5) (5') ) Is provided (FIGS. 8 and 9). By providing this notch or cut surface (9) in the core body (5) (5 '), the core body (5) (5'), the leading pile body (2) and the joint pile body (2 ') A certain space is created on the side surface. Due to the formation of this space, it is possible to put a pipe in the civil engineering work pile body (1), and thereby, through the pipe, into the civil engineering work pile body (1), for example, cement, Alternatively, water glass or the like can be injected. By doing this,
The pile body for civil engineering work (1) can be more firmly fixed in the soil. This notch or cut surface (9) is provided in the core body (5) (5 ') in order to have such a function.

The pile for civil engineering work of the present invention thus constructed is used as follows. It is also possible to use only the leading pile body (2) if it is used in a simple place. In this case, the core body (5) is pierced into the soil from the tip end direction of the leading pile body (2), stopped at the necessary limit, and thereafter, the core body (5) is pressed by another member, so that the core body ( At the same time as 5) moves toward the tip, the wedge body (6) projects outward (in the soil) and is obliquely inserted into the soil. It may be performed after attaching the wedge guide pocket metal fittings (8) to the openings (4) in advance. This is fine for simple cases, but this is not the only case for ordinary cases. It is necessary to drive civil engineering work piles into deeper soil. For example, when a large strength is required, such as for earthquake resistance, for seawall protection, the leading pile body (2) alone cannot be used. Therefore, the leading pile body (2) is first driven into the soil in advance, and then the required number of joint pile bodies (2 ')
Connect and go. After connecting to the required depth and driving to the required depth, press the core body (5 ') with other members or other parts prepared for this civil engineering work pile. To do. As a result, the core body (5 ') is moved toward the tip of the pile for civil engineering work, and the core bodies (5) and (5') are sequentially moved. By doing so, the wedge bodies (6) of the core bodies (5) and (5 ') project to the outside (in the soil) and become rooted. The civil engineering work pile of the present invention is used in this manner.

[0019]

According to the present invention thus constructed, the pile for civil engineering works is stabilized in the soil and prevented from shaking.
In addition, it prevents it from protruding and firmly fixes it in the soil,
It is possible to prevent the risk of underground construction. Further, since the present invention is suitable for mass production, it can be economically and inexpensively supplied. It has such an effect.

[Brief description of drawings]

[Figure 1] Overall view

[Figure 2] Sectional view

FIG. 3 is a perspective view

FIG. 4 is a perspective view

[Figure 5] Usage diagram

FIG. 6 is a perspective view

[Figure 7] Overall view

FIG. 8 is a perspective view

FIG. 9 is a perspective view

[Explanation of symbols]

 (1) Pile body for civil engineering work (2) Leading pile body (2 ') Joint pile body (3) Connection part (3') Open hole part (4) Opening part (5) Leading pile in-core core body (5 ') ) Joint pile inner core body (6) Wedge body (7) Medium hit body (8) Wedge body guide pocket metal fitting (9) Notch or cut portion (10) Wedge body notch

Claims (9)

[Claims] 1. A pile in which one end is formed in a conical shape or a pyramid shape, the other end is formed in an opening shape and has a connecting portion, the inside is formed in a hollow shape, and a side wall is provided with a plurality of opening portions. A pile for civil engineering work as a leading pile body, characterized in that a core body having a plurality of wedge bodies each having an acute-angled tip is mounted inside the body. 2. A pile having an inner hollow shape, both ends of which are open, one end of which is a fitting portion, the other end of which has a connecting portion, and a side wall of which is provided with a plurality of openings. A pile for civil engineering work as a joint pile body, characterized in that a core body having a plurality of wedge bodies whose tips are formed in an acute angle and a medium-strength body having an appropriate length are mounted in the body. . 3. The pile for civil engineering work as the lead pile body according to claim 1 and the pile for civil engineering work as the joint pile body according to claim 2, which are formed by being combined with each other. Pile for woodwork. 4. The pile for civil engineering work according to claim 1 or 2, wherein a plurality of openings are provided in a connection portion provided on the pile body, and one end of the joint pile body according to claim 2. The pile for civil engineering work according to claim 3, wherein the side fitting portion is also provided with a plurality of openings. 5. The civil engineering work pile according to claim 3, wherein the opening is provided with a wedge-shaped guide pocket metal member having a bottom side inclined toward the opening end. Pile. 6. The pile for civil engineering work according to claim 3, wherein the pile body is formed into a columnar shape or a prismatic shape. 7. The pile for civil engineering work according to claim 3, wherein the pedestal part of the core body for fixing and mounting the wedge body or the wedge body and the medium striking body is formed in a cylindrical shape or a prismatic shape. 8. A plurality of cutouts are provided on a side wall of a cylindrical pedestal of a core body for fixedly mounting the wedge body or the wedge body and the hitting body.
Alternatively, the pile for civil engineering work according to claim 3, characterized in that it is formed in a shape in which a corner of the prismatic pedestal portion of the core body is cut off. 9. The pile for civil engineering work according to claim 3, wherein a plurality of cutouts are provided on both side walls or one side wall of the wedge body.