KR101630777B1 - Rim Combination Type Pile Connecting Apparatus - Google Patents

Rim Combination Type Pile Connecting Apparatus Download PDF

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Publication number
KR101630777B1
KR101630777B1 KR1020140125690A KR20140125690A KR101630777B1 KR 101630777 B1 KR101630777 B1 KR 101630777B1 KR 1020140125690 A KR1020140125690 A KR 1020140125690A KR 20140125690 A KR20140125690 A KR 20140125690A KR 101630777 B1 KR101630777 B1 KR 101630777B1
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South Korea
Prior art keywords
unit
pile
rim
fastening
connection
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KR1020140125690A
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Korean (ko)
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KR20150124877A (en
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이덕영
최승선
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이덕영
최승선
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    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D5/00Bulkheads, piles, or other structural elements specially adapted to foundation engineering
    • E02D5/22Piles
    • E02D5/24Prefabricated piles

Abstract

The rim type pile joint apparatus according to the present invention comprises a first rim portion formed in a shape corresponding to a lower end of an upper pile and fixed to a lower end of the upper pile and corresponding to at least a part of the inner diameter of the upper pile, A first connection unit including a plurality of first protrusions protruding outward along the periphery of the rim, and a second connection unit formed in a shape corresponding to an upper end of the lower pile and fixed to an upper end of the lower pile, And a second connecting unit protruding inward along the circumference of the second rim portion and including a plurality of second protrusions sandwiched between a pair of adjacent first protrusions of the first protrusions .
The other type of the rim coupling type pile joint device is formed in a shape corresponding to the lower end of the upper pile and is fixed to the lower end of the upper pile and has a first rim portion corresponding to the outer diameter of the upper pile, A first connecting unit including a plurality of first protrusions protruding inward along a circumference of the lower pile, and a second connecting unit formed in a shape corresponding to an upper end of the lower pile and fixed to an upper end of the lower pile, A second connecting unit including a corresponding second rim portion and a plurality of second protrusions protruding outward along the circumference of the second rim portion and sandwiched between a pair of adjacent first protrusions of the first protrusions, .

Description

[0001] The present invention relates to a pile joining apparatus,

[0001] The present invention relates to a pile joining apparatus for connecting piles to each other, and more particularly, to a pile joining apparatus for a pile joining apparatus which comprises a pair of connecting units provided on respective piles and each having protrusions protruding inwardly and outwardly, To a pile joining device.

Generally, in order to install a predetermined upper structure on the upper part of the ground, a sufficient supporting force for the load of the upper structure must be secured. The ground where the sufficient supporting force is not secured in response to the ground condition or the load condition of the superstructure is called soft ground.

In soft ground, the stability and settlement problem of the superego structure should be prepared prior to installation of the superego structure, and the most widely used method is to equally and safely reach the supposed supposed supine structure load There is a pile construction method.

Such a pile method refers to a method of constructing concrete piles produced by a factory in advance by hitting them with a diesel hammer or a hydraulic hammer or by drilling the ground and then installing the piles.

In the case of the pile construction method, the pile is selected considering the load condition applied to the structure, the seismic design, and other impact stresses. In the present construction site, high strength concrete pile is widely used, (Hereinafter referred to as " concrete pile ") of a pre-tensioned concrete having a compressive strength of 78.5 N / mm 2 (800 kgf / cm 2) or more in the concrete produced by applying centrifugal force.

The length of concrete piles is 5 ~ 15m due to the manufacturing and transportation constraints. However, depending on the ground conditions of the actual construction site, the construction of concrete piles with a depth of 16m or more is also inevitable.

As shown in FIG. 1, the most commonly used jointing method is to connect the upper pile 1 and the lower pile 2 to each other, And the steel plates 3 and 4 with the welding grooves 5 are attached to the upper and lower piles to produce piles.

However, such a welding joint method is problematic in that it is easily influenced by climate, inspection of a welded portion is required, and there is a risk of a safety accident.

Therefore, a method for solving such problems is required.

Korean Patent No. 10-0646258 Korean Registered Utility Model No. 20-0298683 Japanese Patent Application Laid-Open No. 2000-328556

SUMMARY OF THE INVENTION It is an object of the present invention to solve the above-mentioned problems of the prior art and to provide a pile joint device having a connecting part structurally stable and economical in terms of cost.

And to provide a pile joint device capable of connecting a pile without performing welding.

And a method of securing workability and economical efficiency compared with a conventional weldless welding method.

The present invention also provides a device capable of connecting a pile after it is attached to an existing pile.

The problems of the present invention are not limited to the above-mentioned problems, and other problems not mentioned can be clearly understood by those skilled in the art from the following description.

In order to achieve the above object, the present invention provides a rim coupling type pile joint device, comprising: a first rim portion corresponding to an inner diameter of the upper pile and formed in a shape corresponding to a lower end of an upper pile, A first connecting unit including a plurality of first protrusions protruding outward along the periphery of the first rim portion, and a second connection unit formed in a shape corresponding to an upper end of the lower pile and fixed to an upper end of the lower pile, A second rim portion protruding inward along the circumference of the second rim portion and including a plurality of second protrusions sandwiched between a pair of adjacent first protrusions of the first protrusions, Unit.

And a fastening member for fixing the first connection unit and the second connection unit to each other.

And a fastening unit for fixing the first connection unit and the second connection unit to each other.

Further, a plurality of the fastening units may be formed, and the first ridge and the first ridge may be simultaneously contacted to fix the first connecting unit and the second connecting unit.

The fastening unit may include a first fixing portion contacting the outside of the second rim portion and a second fixing portion extending inward from upper and lower ends of the first fixing portion and contacting the first protrusion .

In addition, the second rim portion may have a seating groove on which the first fixing portion is seated.

The first protrusion may be formed with an insertion groove into which the second fixing portion is inserted.

Also, the second fixing portion and the insertion groove may be formed to have an increased width toward the outer side.

The first fixing part is formed with a fastening bolt hole into which a fastening bolt is inserted, a passage hole through which the fastening bolt passes is formed in the second rim part, and a fastening hole is formed in the first fastening part, Can be formed.

The fastening bolt may have an inclined portion between the head portion and the screw portion, and the fastening bolt hole may include an inclined portion corresponding to the inclined portion of the fastening bolt.

The first protrusions and the second protrusions may be formed to have an increased width toward the outside.

In addition, the first projecting portion may be formed to have a reduced cross-sectional area from the upper end to the lower end, and the second projected portion may be formed such that the cross-sectional area decreases from the lower end to the upper end.

The first protrusion and the second protrusion may be formed with connection bolt holes into which connection bolts for fixing the corresponding piles are inserted, respectively.

In addition, the connection bolt may have an inclined portion between the head portion and the screw portion, and the connection bolt hole may include an inclination corresponding portion corresponding to the inclined portion of the connection bolt.

The first projecting portion and the second projecting portion may each be formed with a steel rod insertion hole into which a corresponding steel rod of the pile is inserted.

The steel rod insertion hole may include a steel bar insertion portion having a larger diameter than the head of the steel bar and a steel bead portion having a diameter larger than that of the steel bar and formed so that the head of the steel bar can be fixed .

And at least one of the first connection unit and the second connection unit is provided on the upper surface of the first rim portion and the first projection or the lower surface of the second rim portion and the second projection, And may further include an extension portion which is in surface-contact with the opposite surface of the end portion as a whole.

Also, the upper pile may be a steel pipe concrete composite pile.

And the first connecting unit includes a first unit part and a first unit part divided into a plurality of parts so as to include one first projection part and the second connecting unit includes a part of the second rim part , And a second unit member divided into a plurality of portions so as to include one second projection portion.

The first unit member may be formed such that the first rim portion extends to both sides of the first projection portion. In a state where the first unit member and the second unit member are engaged with each other, And may be in contact with the first rim portion.

A first coupling protrusion is formed at one end of the first rim portion of the first unit member and a first coupling protrusion formed at one end of the first rim portion of another adjacent first unit member at the other end of the first rim portion of the first unit member A first coupling groove to be coupled can be formed.

And the second unit member is formed such that the second rim portion extends to both sides of the second projection, and in a state where the first unit member and the second unit member are engaged with each other, Can be contacted with the second rim portion.

A second coupling protrusion is formed at one end of the second rim portion of the second unit member and a second coupling protrusion formed at one end of the second rim portion of another adjacent second unit member at the other rim portion of the second unit member A second coupling groove to be coupled can be formed.

Further, a through hole through which the fastening bolt passes may be formed in the second rim portion extended region of the second unit member, and a fastening groove corresponding to the through hole may be formed in the first projecting portion.

And the first rim of the first unit member is formed to correspond to the width of the first projection, and in a state where the first unit member and the second unit member are engaged, A circumferential portion corresponding to the inner diameter of the upper pile may be formed together with the rim portion.

According to another aspect of the present invention, there is provided a rim coupling type pile joint device comprising: a first rim portion formed in a shape corresponding to a lower end of an upper pile and fixed to a lower end of the upper pile, A first connecting unit including a plurality of first protrusions protruding inward along the circumference of the first rim portion, and a second connection unit formed in a shape corresponding to an upper end of the lower pile and fixed to the upper end of the lower pile, A second connecting unit including a corresponding second rim portion and a plurality of second protrusions protruding outward along the circumference of the second rim portion and sandwiched between a pair of adjacent first protrusions of the first protrusions, .

In order to solve the above-mentioned problems, the present invention provides a rim-type pile joint apparatus having the following effects.

First, there is an advantage that the connection stability of the pile improves as the protrusions protruding inward and outward are coupled to the rim provided in the pair of connection units.

Second, since the pair of connecting units can be coupled to each other on the same height without any increase in height, the entire height of the pile joining apparatus can be reduced.

Third, there is no need to perform welding, and the construction cost can be reduced, and there is an advantage that it is not restricted by the environment.

Fourth, there is a merit that the skill level is low and skilled workers are not needed.

Fifth, there is an advantage that it can be used for a conventional pile.

Sixth, because it is compatible with various kinds of piles, there is an advantage that it is excellent in versatility.

Seventh, there is an advantage that the workability and economical efficiency are superior to the conventional weldless welding method.

The effects of the present invention are not limited to the effects mentioned above, and other effects not mentioned can be clearly understood by those skilled in the art from the description of the claims.

1 is a cross-sectional view showing a state where a pile is connected by a conventional welding method;
FIG. 2 is an exploded perspective view showing a connection structure between respective components in the pile joint device according to the first embodiment of the present invention; FIG.
3 is a cross-sectional view and a bottom view showing the first connecting unit in detail in the pile-connecting device according to the first embodiment of the present invention;
FIG. 4 is a plan view and a cross-sectional view of a second connecting unit in a pile joint apparatus according to a first embodiment of the present invention; FIG.
FIG. 5 is a plan view and a cross-sectional view of a tightening unit in detail in a pile jointing apparatus according to a first embodiment of the present invention; FIG.
6 is a cross-sectional view showing an upper pile and a lower pile connected to each other by a pile coupling device according to a first embodiment of the present invention;
FIG. 7 is an exploded perspective view showing a connection structure between respective components in a pile-connecting device according to a second embodiment of the present invention; FIG.
8 is a cross-sectional view and a bottom view showing the first connecting unit in detail in the pile-connecting device according to the second embodiment of the present invention;
FIG. 9 is a plan view and a cross-sectional view of a second connecting unit in a pile-connecting device according to a second embodiment of the present invention.
10 is an AA sectional view showing an upper pile and a lower pile connected to each other by a pile coupling device according to a second embodiment of the present invention;
11 is a BB sectional view showing an upper pile and a lower pile connected to each other by a pile coupling device according to a second embodiment of the present invention;
12 is a cross-sectional view showing an upper pile and a lower pile connected to each other by a pile joint device according to a third embodiment of the present invention;
13 is a cross-sectional view showing an upper pile and a lower pile connected to each other by a pile joining apparatus according to a fourth embodiment of the present invention;
FIG. 14 is an exploded perspective view showing a connection structure between respective components in a pile-connecting device according to a fifth embodiment of the present invention; FIG.
FIG. 15 is a perspective view of a first unit member of a pile joint apparatus according to a fifth embodiment of the present invention; FIG.
16 is a perspective view of a second unit member of a pile joint apparatus according to a fifth embodiment of the present invention;
17 is an exploded perspective view showing a connection structure between respective components in the pile joint device according to the sixth embodiment of the present invention;
18 is a perspective view of a pile-connecting device according to a sixth embodiment of the present invention, showing a state of a first unit member. And
19 is a perspective view showing a state of the second unit member in the pile joint apparatus according to the sixth embodiment of the present invention.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings. In describing the present embodiment, the same designations and the same reference numerals are used for the same components, and further description thereof will be omitted.

FIG. 2 is an exploded perspective view showing a connection structure between respective components in the pile joint device according to the first embodiment of the present invention.

2, the pile joint apparatus according to the first embodiment of the present invention includes a first connecting unit 110 fixed to the upper pile 10, a second connecting unit 110 fixed to the lower pile 20, And a fastening unit 130 for pressing the circumference of the first connection unit 110 and the second connection unit 120.

In the present embodiment, the first connection unit 110 and the second connection unit 120 are formed separately from the piles 10 and 20 so as to be coupled to the conventional pile.

The first connecting unit 110 and the second connecting unit 120 are connected to the first connecting unit 110 and the second connecting unit 120 so that the first connecting unit 110 and the second connecting unit 120 are fixed to the corresponding piles 10, The connecting bolt holes 118 and 128 into which the bolts C 2 are inserted are formed. That is, the first connecting unit 110 and the second connecting unit 120 can be fixed to each other using the connecting bolts C 2 to the pre-manufactured piles.

At this time, in this embodiment, the connecting bolts (C 2 ) are fastened to the fixing nuts (22) for fixing the steel rods provided on the piles (10, 20).

The first connection unit 110 is formed in a shape corresponding to the lower end of the upper pile 10 and is fixed to the lower end of the upper pile 10. The first connection unit 110 includes a first connection unit 110, And a plurality of first protrusions 113 protruding outward along the periphery of the first rim portion 112. [

The second connection unit 120 is formed in a shape corresponding to the upper end of the lower pile 20 and is fixed to the upper end of the lower pile 20 and has a second rim portion A plurality of second protrusions 123 protruding inward along the circumference of the second rim 122 and sandwiched between a pair of adjacent first protrusions 113 of the first protrusions 113, ).

 That is, the first connection unit 110 and the second connection unit 120 have a configuration in which the first projection 113 and the second projection 123 are fitted to each other and engaged with each other by uneven coupling.

The connection bolt holes 118 and 128 may be formed in the first protrusion 113 and the second protrusion 123, respectively.

As described above, since the first connecting unit 110 and the second connecting unit 120 are coupled to each other at the same height without being increased in height, the height of the entire pile joining apparatus can be reduced And there is an advantage that the material and manufacturing cost can be reduced.

In this embodiment, the fastening unit 130 is provided to fix the first connection unit 110 and the second connection unit 120 to each other. Specifically, a plurality of fastening units 130 are formed along the peripheries of the first connection unit 110 and the second connection unit 120, and at the same time, the second rim 122 and the first protrusion 113 So that the first connection unit 110 and the second connection unit 120 can be fixed in contact with each other.

In the present embodiment, the fastening unit 130 is formed with a fastening bolt hole 132 into which the fastening bolt C 1 is inserted, and the fastening bolt hole 132 corresponding to the fastening bolt hole 132 is formed in the second rim portion 122. And a fastening groove 115 corresponding to the fastening bolt hole 132 is formed in the first projecting portion 113. [

Unlike the present embodiment, the fastening member may be directly coupled to the through hole 125 formed in the second rim 122 without using a fastening unit for coupling the first connection unit 110 and the second connection unit 120. [ And then fastened to the fastening groove 115 formed in the first protrusion 113. In this case, In this case, the fastening bolt (C 1 ) may be used as the fastening member, or may be different from the fastening bolt (C 1 ).

Hereinafter, the first connection unit 110, the second connection unit 120, and the connection unit 130 will be described in more detail.

FIG. 3 is a cross-sectional view and a bottom view showing the first connecting unit 110 in detail in the pile jointing apparatus according to the first embodiment of the present invention, and FIG. 4 is a cross-sectional view and a bottom view of the pile connecting apparatus according to the first embodiment of the present invention. Sectional view showing the second connection unit 120 in detail.

3 and 4, the first connection unit 110 is formed in a shape corresponding to the lower end of the upper pile 10 and fixed to the lower end of the upper pile 10, And a plurality of first protrusions 113 protruding outward along the periphery of the first rim portion 112. The first protrusion 113 protrudes outward along the circumference of the first rim portion 112,

In the present embodiment, the first protrusion 113 is formed to have an increased width toward the outside. This is because when the first connection unit 110 and the second connection unit 120 are connected to each other by the first protrusion 113 and the second protrusion 123, horizontal movement is suppressed by the mutual wedge function, To effectively cope with the shearing force.

The first protrusion 113 may be formed to have a reduced sectional area from the upper end to the lower end. This facilitates the connection with the second projections 123 and allows the coupling force to be further increased and minimizes the up-and-down shift when the first connection unit 110 and the second connection unit 120 are coupled to each other .

As described above, the first connection unit 110 may be formed with a connection bolt hole 118 into which a connection bolt C 2 for fixing the first connection unit 110 to the upper pile is inserted, The bolt hole 118 is formed in the first projection 113.

Although not shown, the connecting bolt C 2 may have an inclined portion between the head portion and the screw portion, and the connecting bolt hole 118 may be inclined corresponding to the inclined portion of the connecting bolt C 2 Section. This is to prevent the first connection unit 110 from sliding on the end surface of the pile when the horizontal force acts on the pile so that the inclined portion formed on the connection bolt C 2 is closely adhered.

On the other hand, the first protrusion 113 may be formed with an insertion groove 114 into which a fastening unit to be described later is inserted. When the fixing unit 130 is fixed after the first connection unit 110 and the second connection unit 120 are coupled to each other, the end of the connection unit 130 can be inserted, .

Further, the first projection 113 may further include a coupling groove 115 for fixing the coupling unit. The fastening groove is formed on the outer surface of the first projection 113 so that a fastening bolt to be described later can be fastened.

The second connection unit 120 is formed in a shape corresponding to the upper end of the lower pile 20 and is fixed to the upper end of the lower pile 20 and has a second rim portion A plurality of second protrusions 123 protruding inward along the circumference of the second rim 122 and sandwiched between a pair of adjacent first protrusions 113 of the first protrusions 113, ).

In the present embodiment, the second protrusions 123 are formed to have an increased width toward the outside as the first protrusions 113. This is to cope with the shear force generated on the pile by suppressing horizontal movement due to mutual wedge function after the first connection unit 110 and the second connection unit 120 are connected to each other.

The second protrusion 123 may be formed to have a reduced sectional area from the lower end to the upper end. This facilitates the connection with the first projecting portion 113 when coupling with each other and further increases the coupling force so that the vertical displacement of the first connection unit 110 and the second connection unit 120 can be minimized .

As described above, the second connection unit 120 may be formed with a connection bolt hole 128 into which a connection bolt C 2 for fixing the second connection unit 120 to the lower pile is inserted, The bolt hole 128 is formed in the second projection 123.

Although not shown, the connecting bolt C 2 may have an inclined portion between the head portion and the screw portion, and the connecting bolt hole 128 may be formed in the inclined portion of the connecting bolt C 2 And may include corresponding slope counterparts.

This is to prevent the second connection unit 120 from sliding on the end surface of the pile when the horizontal force acts on the pile so that the inclined part formed on the connection bolt C 2 can be closely contacted.

The second rim 122 may have a seating groove 124 in which a fastening unit to be described later is seated. This is because when the fixing unit 130 is fixed after the first connection unit 110 and the second connection unit 120 are coupled, the inside of the connection unit 130 can be seated, . For this, the seating groove 124 may be formed to have a smaller circumference than the other portion of the second rim portion 122.

As described above, the second rim 122 further includes a through hole 125 through which the fastening bolt C 1 passes.

At least one of the first connection unit 110 and the second connection unit 120 may be formed on the upper surface of the first rim 112 and the first projection 113, 2 rim portion 122 and the second protruding portion 123 and may extend to the opposite surfaces of the corresponding ends of the corresponding piles. In this case, the contact area between the first connection unit 110 and the second connection unit 120 and each pile is increased, so that the bonding stability can be further improved.

FIG. 5 is a plan view and a cross-sectional view showing the fastening unit 130 in detail in the pile joining apparatus according to the first embodiment of the present invention.

As shown in FIG. 5, the fastening unit 130 is a component that mutually fixes the first connection unit 110 and the second connection unit 120.

As described above, in the present embodiment, a plurality of fastening units 130 are formed along the peripheries of the first connection unit 110 and the second connection unit 120, and the second rim unit 122 and the second connection unit 120 The first connection unit 110 and the second connection unit 120 can be fixed by simultaneously contacting the first protrusion 113 of the first connection unit 110 and the second connection unit 120. [

Specifically, in this embodiment, the fastening unit 130 includes a first fixing portion 131a contacting the outside of the second rim portion 122, and a second fixing portion 131a contacting the outside of the upper and lower ends of the first fixing portion 131a And a second fixing part 131b extended to be in contact with the first projection 113. That is, the second fixing portion 131b may fix the first connection unit 110 and the second connection unit 120 in contact with the upper and lower ends of the first protrusion 113, respectively.

Also, in the present embodiment, the second fixing portion 131b may be formed to have an increased width toward the outside. The insertion groove 114 of the first connection unit 110 in which the second fixing portion 131b is inserted may also be formed so that the insertion groove is increased in width as it goes outward.

In this embodiment, the fastening unit 130 is formed with a fastening bolt hole 132 into which a fastening bolt C 1 is inserted. The fastening bolt (C 1) is formed in the inclined portion (S) between the head portion and the threaded portion, the fastening bolt hole 132 is inclined corresponding to the inclined portion (S) of the retaining bolt (C 1) corresponding portion (134). This is to increase the fastening force of the fastening bolt (C 1 ), the first connecting unit (110) and the second connecting unit (120).

The threaded end of the fastening bolt C 1 may be pointed so that the threaded end of the fastening bolt hole 132 may be formed by various factors when the first connecting unit 110 and the second connecting unit 120 are coupled. And the through holes 125 of the second connection unit 120 and the coupling grooves 115 of the first connection unit 110 are difficult to be precisely matched, the centering operation can be facilitated.

6 is a cross-sectional view showing an upper pile 10 and a lower pile 20 connected to each other by a pile joining apparatus according to the first embodiment of the present invention.

6, the first connection unit 110 and the second connection unit 120 are integrally fixed to the piles 10 and 20 by the connection bolts C 2 . The fastening unit 130 stably fixes the first connection unit 110 and the second connection unit 120 to each other and is fixed by the fastening bolt C 1 .

The first embodiment of the present invention has been described above, and other embodiments of the present invention will be described below.

FIG. 7 is an exploded perspective view showing a connection structure between the respective components in the pile joint device according to the second embodiment of the present invention. 8 is a cross-sectional view and a bottom view showing a detail of the first connecting unit 210 in the pile jointing apparatus according to the second embodiment of the present invention, and FIG. 9 is a sectional view and a bottom view of the pile connecting apparatus according to the second embodiment of the present invention, Sectional view of the second connection unit 220 in detail.

In the case of the second embodiment of the present invention shown in Figs. 7 to 9, it is formed in the same manner as the first embodiment described above. The first connection unit 210 and the second connection unit 220 are connected to each other by the first rim 212, the first projection 213, the second rim 222 and the second projection 223, Which are coupled to each other by a fastening unit 230. A plurality of the fastening units 230 are provided along the peripheries of the first connection unit 210 and the second connection unit 220.

The details of each component are also formed in the same manner as in the first embodiment.

However, in this embodiment, the first connection unit 210 and the second connection unit 220 are not formed separately so as to be able to be coupled to the conventional pile, but are integrally fixed to the piles 30 and 40 . Accordingly, the first connection unit 210 and the second connection unit 220 are fixed by the steel rods formed on the piles 30 and 40, respectively.

Specifically, the first connection unit 210 and the second connection unit 220 are formed with steel rod insertion holes 218 and 228 into which the steel rods are inserted.

The steel rod insertion holes 218 and 228 allow the steel rods to be inserted and fixed. Specifically, in the present embodiment, steel rod insertion portions 218a and 228a having diameters larger than the head of the steel rods, And has a large diameter and has a steel bean gaiter 218b, 228b formed so that the head of the steel bar can be fixed. Accordingly, when the pile is manufactured, the steel rods are inserted into the steel rod insertion portions 218a and 218a and then moved to the steel bag tightening portions 218b and 228b so that the first connection unit 210 and the second connection unit 220 are integrally formed As shown in Fig.

The configuration other than the above-mentioned steel rod insertion holes 218 and 228 is the same as that of the first embodiment described above, so a detailed description thereof will be omitted.

10 is an AA cross-sectional view showing an upper pile 30 and a lower pile 40 connected to each other by a pile joining apparatus according to a second embodiment of the present invention, Sectional view of the upper pile 30 and the lower pile 40 connected to each other by a pile joining device.

10 and 11, the first connection unit 210 and the second connection unit 220 are integrally fixed to the respective piles 30 and 40 by a steel bar 35. As shown in FIG. The fastening unit 230 stably fixes the first connection unit 210 and the second connection unit 220 to each other and is fixed by the fastening bolt C 1 .

That is, according to the present invention, the first connection unit and the second connection unit may be formed separately from the pile as in the first embodiment, or may be integrally formed as in the second embodiment.

12 is a cross-sectional view illustrating an upper pile 50 and a lower pile 20 connected to each other by a pile joining apparatus according to a third embodiment of the present invention.

12, the first connecting unit 310 and the second connecting unit 320 are separated from the piles 50 and 20, respectively, as in the first embodiment described above, . It is different from the first embodiment in that the upper pile 50 is a steel pipe-concrete composite pile including a concrete portion 54 and a steel pipe portion 52.

That is, not only the connection between the concrete piles but also the piles coupled to each other may be made of a steel pipe-concrete composite pile, and the present invention can be applied to this case as well.

The combination of the first connection unit 310 and the second connection unit 320 and the detailed configuration of each component are the same as those of the first embodiment described above, so a detailed description will be omitted.

13 is a cross-sectional view showing an upper pile 50 and a lower pile 40 connected to each other by a pile joint device according to a fourth embodiment of the present invention.

12, the first connecting unit 410 and the second connecting unit 420 are integrally formed with the piles 50 and 40, as in the second embodiment described above, . However, the upper pile 50 is different from the second embodiment in that it is a steel pipe-concrete composite pile including a concrete portion 54 and a steel pipe portion 52.

The combination of the first connection unit 410 and the second connection unit 420 and the detailed configuration of each component are the same as those of the second embodiment described above, so that detailed description will be omitted.

The embodiments of the present invention have been described above. On the other hand, in each of the embodiments, the first connection unit and the second connection unit may have opposite shapes. In such a case, the aforementioned detailed components will be provided on the side of the connection unit opposite to each other.

On the other hand, the first connection unit and the second connection unit may be formed by being divided into a plurality of unit members unlike the above-described embodiments. This will be described below.

FIG. 14 is an exploded perspective view showing a connection structure between respective components in a pile-connecting device according to a fifth embodiment of the present invention. 15 is a perspective view of a first unit member 511 in a pile joint apparatus according to a fifth embodiment of the present invention. FIG. 16 is a perspective view of a pile joint apparatus according to a fifth embodiment of the present invention And the second unit member 521, respectively.

14 to 16, the pile joint apparatus according to the fifth embodiment of the present invention has a configuration in which the first connection unit 510 and the second connection unit 520 are divided into a plurality of unit members .

Specifically, the first connection unit 510 includes a first unit member 511 divided into a plurality of parts including the first rim part 512 and one first projection part 513, The second connection unit 520 includes a second unit member 521 that is divided into a plurality of parts including the second rim part 522 and one second projection part 523. The second unit part 521 includes a first unit part 521,

That is, a plurality of the first unit member 511 and the second unit member 521 may be combined to form the first connection unit 510 and the second connection unit 520.

In the present embodiment, the first rim portion 512 has a shape in which a portion between a pair of first protrusions 513 adjacent to each other is divided, and the second rim portion 522 has a pair of second protrusions 523 are divided into two parts.

Accordingly, the first unit member 511 has a shape in which the first rim portion 512 extends to both sides of the first projection portion 513, and the first unit member 511 and the second unit member 511 521 are coupled to each other, the inner end of the second projection 523 contacts the extended region of the first rim portion 512.

Similarly, the second unit member 521 has a shape in which the second rim portion 522 extends to both sides of the second projection 523, and the first unit member 511 and the second unit member 521 The outer ends of the first projections 513 are in contact with the extended regions of the second rims 522. [

15 and 16, in this embodiment, the first protrusion 513 and the second protrusion 523 are formed to have the same length d 1 and are in contact with the rim of the counterpart side at the time of engagement, .

In this embodiment, a through-hole 525 through which the fastening bolt C 1 passes is formed in the second rim portion 522 of the second unit member 521, and the first protrusion 511 A coupling groove 515 corresponding to the through hole 525 is formed.

The through hole 525 can not be formed at the center of the pair of second rim portions 522 adjacent to each other so that the engaging groove 515 is formed in the first protruding portion 513 at one side As shown in FIG.

The first unit member 511 has a first rim portion 512 formed at one end thereof with a first engaging projection 516 and the first rim portion 512 of the first unit member 511, And a first engaging groove 517 is formed at the other end to engage with the first engaging projection 516 formed at one end of the first rim portion 512 of the adjoining first unit member 511. Accordingly, when each first unit member 511 is engaged, adjacent first unit members 511 can be stably coupled without shifting.

Similarly, the second unit member 521 is formed with a second engaging projection 526 at one end of the second rim portion 522 and a second engaging projection 526 is formed at the other end of the second rim portion 522 of the second unit member 521, A second engaging groove 527 is formed to be engaged with a second engaging projection 526 formed at one end of the second rim portion 522 of the second unit member 521. Accordingly, when each of the second unit members 521 is engaged, the adjacent second unit members 521 can be stably coupled without shifting.

In the present embodiment, the first unit member 511 and the second unit member 521 are formed with connection bolt holes 518 and 528 into which connection bolts C 2 for fixing the respective unit piles to the corresponding piles are inserted . Since the connection bolt holes 518 and 528 have already been described, a detailed description will be omitted.

In this embodiment, the connecting bolt holes 518 and 528 may be formed in the first unit member 511 and the second unit member 521, or alternatively, a steel bar insertion hole may be formed.

As described above, in the present embodiment, since the first connection unit 510 and the second connection unit 520 can be divided and assembled into a plurality of unit members, the cost of the mold can be reduced and the precision can be improved , And the assemblability can be greatly improved.

17 is an exploded perspective view showing a connection structure between respective components in a pile joint device according to a sixth embodiment of the present invention. 18 is a perspective view showing a state of the first unit member 611 in the pile joint apparatus according to the sixth embodiment of the present invention, and FIG. 19 is a perspective view of the pile joint apparatus according to the sixth embodiment of the present invention And the second unit member 621, respectively.

17 to 19, the first connecting unit 610 and the second connecting unit 620 include a plurality of unit members in the same manner as in the fifth embodiment described above.

However, in this embodiment, the first rim portion 612 of the first unit member 611 is formed to correspond to the width of the first protrusion 613, which is different from that of the fifth embodiment.

That is, in this embodiment, the first rim portion 612 is formed so as not to protrude from both sides of the first protrusion portion 613, and the length d 2 of the second protrusion portion 623 is equal to the length of the first protrusion portion 613, (D 2 ) of the rim 612.

The inner end 624 of the second protrusion 623 is connected to the first rim portion 612 and the second unit member 621 in a state where the first unit member 611 and the second unit member 621 are engaged, And a circumference corresponding to the inner diameter of the upper pile 10 is formed.

As described above, according to the present invention, the first rim portion 612 is formed so as to correspond to only a part of the inner diameter of the upper pile 10, and the second unitary member 621 is formed with the first unitary member 611 So that the entire inner diameter can be formed.

On the other hand, the connection bolt hole 618 and the coupling groove 615 of the first unit member 611 and the second coupling protrusion 626, the second coupling groove 627 of the second unit member 621, The hole 625 and the connection bolt hole 628 are the same as those in the fifth embodiment described above, so a detailed description will be omitted.

It will be apparent to those skilled in the art that the present invention can be embodied in other specific forms without departing from the spirit or scope of the invention as defined in the appended claims. It is obvious to them. Therefore, the above-described embodiments are to be considered as illustrative rather than restrictive, and the present invention is not limited to the above description, but may be modified within the scope of the appended claims and equivalents thereof.

10: upper pile 20: lower pile
110: first connecting unit 112: first rim
113: first protrusion 114: insertion groove
115: fastening groove 118: connecting bolt hole
120: second connecting unit 122: second rim
123: second protrusion 124: seat groove
125: through hole 128: connecting bolt hole
130: fastening unit 131a:
131b: second fixing portion 132: fastening bolt hole
134: warp counterpart

Claims (26)

  1. A first rim portion formed in a shape corresponding to a lower end of the upper pile and fixed to a lower end of the upper pile and corresponding to at least a part of the inner diameter of the upper pile, A first connecting unit including one protrusion; And
    A second rim portion formed in a shape corresponding to an upper end of the lower pile and fixed to an upper end of the lower pile and corresponding to an outer diameter of the lower pile and protruding inward along the periphery of the second rim portion, A second connecting unit including a plurality of second projections that are fitted between adjacent pair of first projections of the projections;
    / RTI >
    The first projecting portion is formed so as to have a reduced cross-sectional area from the upper end to the lower end,
    And the second projections are formed so that the sectional area decreases from the lower end to the upper end.
  2. The method according to claim 1,
    And a fastening member for fixing the first connecting unit and the second connecting unit to each other.
  3. The method according to claim 1,
    Further comprising a fastening unit for fixing the first connecting unit and the second connecting unit to each other.
  4. The method of claim 3,
    The fastening unit includes:
    And the first connecting unit and the second connecting unit are fixed by simultaneously contacting the second rim portion and the first projecting portion.
  5. 5. The method of claim 4,
    The fastening unit includes:
    A first fixing part contacting the outside of the second rim part; And
    A second fixing part extending inward from an upper end and a lower end of the first fixing part and contacting the first projection;
    . ≪ / RTI >
  6. 6. The method of claim 5,
    And wherein the second rim portion has a seating groove on which the first fixing portion is seated.
  7. 6. The method of claim 5,
    Wherein the first protrusion is formed with an insertion groove into which the second fixing part is inserted.
  8. 8. The method of claim 7,
    Wherein the second fixing portion and the insertion groove are formed to have an increased width toward the outside.
  9. 6. The method of claim 5,
    The fastening bolt hole into which the fastening bolt is inserted is formed in the first fastening portion,
    A through hole through which the fastening bolt passes is formed in the second rim portion,
    Wherein the first projecting portion has a coupling groove corresponding to the coupling bolt hole.
  10. 10. The method of claim 9,
    The fastening bolt has an inclined portion formed between the head portion and the screw portion,
    Wherein the fastening bolt hole includes an inclination corresponding portion corresponding to an inclined portion of the fastening bolt.
  11. The method according to claim 1,
    Wherein the first projecting portion and the second projecting portion are formed to have an increased width toward the outside.
  12. delete
  13. The method according to claim 1,
    Wherein the first projecting portion and the second projecting portion are provided,
    And a connecting bolt hole into which a connecting bolt for fixing to the corresponding pile is inserted.
  14. 14. The method of claim 13,
    The connecting bolt has an inclined portion formed between the head portion and the screw portion,
    And the connecting bolt hole includes an inclination corresponding portion corresponding to an inclined portion of the connecting bolt.
  15. The method according to claim 1,
    In the first projecting portion and the second projecting portion,
    And a steel rod insertion hole into which a corresponding steel rod of a corresponding pile is inserted.
  16. 16. The method of claim 15,
    The steel rod insertion hole
    A steel rod insertion portion having a larger diameter than the head of the steel bar; and a steel sump portion having a diameter larger than the head of the steel rod and formed so that the head of the steel rod can be fixed.
  17. The method according to claim 1,
    Wherein at least one of the first connection unit and the second connection unit comprises:
    And an enlarged portion provided on a top surface of the first rim portion and the first protruding portion or a bottom surface of the second rim portion and the second protruding portion and entirely in surface contact with the opposed surfaces of the corresponding ends of the pile.
  18. The method according to claim 1,
    Wherein the upper pile is a steel pipe composite pile.
  19. The method according to claim 1,
    The first connecting unit includes:
    And a first unit member that is divided into a plurality of portions so as to include a first protrusion,
    Wherein the second connection unit comprises:
    And a second unit member divided into a plurality of portions so as to include one second projection.
  20. 20. The method of claim 19,
    The first unit member includes:
    Wherein the first rim portion is formed so as to extend to both sides of the first projecting portion and the inner end of the second projecting portion is in contact with the first rim portion in a state where the first unit member and the second unit member are engaged, Device.
  21. 21. The method of claim 20,
    A first coupling protrusion is formed at one end of the first rim portion of the first unit member,
    And a first coupling groove coupled to a first coupling protrusion formed at one end of a first rim portion of another adjacent first unit member is formed at the other end of the first rim portion of the first unit member.
  22. 20. The method of claim 19,
    Wherein the second unit member comprises:
    The second rim portion is formed so as to extend to both sides of the second protrusion, and the outer end of the first protrusion is in contact with the second rim portion in a state where the first unit member and the second unit member are engaged, Device.
  23. 23. The method of claim 22,
    A second coupling protrusion is formed at one end of the second rim portion of the second unit member,
    And a second coupling groove formed at one end of the second rim portion of another adjacent second unit member is formed at the other end of the second rim portion of the second unit member.
  24. 23. The method of claim 22,
    A through hole through which the fastening bolt passes is formed in the second rim extending region of the second unit member,
    Wherein the first protrusion is formed with a coupling groove corresponding to the through hole.
  25. 23. The method of claim 22,
    The first rim portion of the first unit member is formed to correspond to the width of the first projection,
    Wherein an inner end of the second projection forms a circumference corresponding to an inner diameter of the upper pile together with the first rim portion in a state where the first unit member and the second unit member are engaged.
  26. A first rim portion formed in a shape corresponding to a lower end of the upper pile and fixed to a lower end of the upper pile and corresponding to an outer diameter of the upper pile, and a plurality of first projections A first connection unit including a first connection unit; And
    A second rim portion formed in a shape corresponding to an upper end of the lower pile and fixed to an upper end of the lower pile and corresponding to at least a part of the inner diameter of the lower pile, and protruding outward along the circumference of the second rim portion, A second connecting unit including a plurality of second projections which are fitted between adjacent ones of the first projections of the first projections;
    / RTI >
    The first projecting portion is formed so as to have a reduced cross-sectional area from the upper end to the lower end,
    And the second projections are formed so that the sectional area decreases from the lower end to the upper end.
KR1020140125690A 2014-04-29 2014-09-22 Rim Combination Type Pile Connecting Apparatus KR101630777B1 (en)

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KR101770596B1 (en) * 2017-03-29 2017-08-24 주식회사 포유텍 Pile connecting apparatus
KR20190016309A (en) * 2017-08-08 2019-02-18 대성정밀공업 주식회사 An easy assemblable strong PHC pile connecting structure
KR20190053501A (en) 2017-11-10 2019-05-20 정순용 Concrete pile connected by a molten filler and Connecting method of the same
KR20190053813A (en) 2018-12-28 2019-05-20 정순용 Concrete pile connected by a molten filler and Connecting method of the same

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KR101998835B1 (en) * 2017-08-24 2019-07-10 고영식 Coupling structure for PHC file

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KR200258871Y1 (en) 2001-09-13 2001-12-28 이호경 joint cap of pretentioned spun high strength concrete piles
JP2013133606A (en) * 2011-12-26 2013-07-08 Shintoku Kogyo Kk Pile joint and connection method of pile
KR101376055B1 (en) 2011-12-28 2014-03-26 삼부건설공업 주식회사 A fastening structure of concrete pile fore-end
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KR101770596B1 (en) * 2017-03-29 2017-08-24 주식회사 포유텍 Pile connecting apparatus
KR20190016309A (en) * 2017-08-08 2019-02-18 대성정밀공업 주식회사 An easy assemblable strong PHC pile connecting structure
KR102031188B1 (en) * 2017-08-08 2019-10-11 대성정밀공업 주식회사 An easy assemblable strong PHC pile connecting structure
KR20190053501A (en) 2017-11-10 2019-05-20 정순용 Concrete pile connected by a molten filler and Connecting method of the same
KR20190053813A (en) 2018-12-28 2019-05-20 정순용 Concrete pile connected by a molten filler and Connecting method of the same

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