KR20120096156A - Complex pile and the construction method using it and the mold for manufacturing a shear reinforcement part - Google Patents
Complex pile and the construction method using it and the mold for manufacturing a shear reinforcement part Download PDFInfo
- Publication number
- KR20120096156A KR20120096156A KR1020110015382A KR20110015382A KR20120096156A KR 20120096156 A KR20120096156 A KR 20120096156A KR 1020110015382 A KR1020110015382 A KR 1020110015382A KR 20110015382 A KR20110015382 A KR 20110015382A KR 20120096156 A KR20120096156 A KR 20120096156A
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- KR
- South Korea
- Prior art keywords
- forming housing
- file
- pile
- shear reinforcement
- shear
- Prior art date
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Classifications
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/10—Deep foundations
- E02D27/12—Pile foundations
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/22—Piles
- E02D5/24—Prefabricated piles
- E02D5/30—Prefabricated piles made of concrete or reinforced concrete or made of steel and concrete
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/22—Piles
- E02D5/48—Piles varying in construction along their length, i.e. along the body between head and shoe, e.g. made of different materials along their length
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D7/00—Methods or apparatus for placing sheet pile bulkheads, piles, mouldpipes, or other moulds
- E02D7/02—Placing by driving
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2300/00—Materials
- E02D2300/0004—Synthetics
- E02D2300/0025—Adhesives, i.e. glues
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2300/00—Materials
- E02D2300/0051—Including fibers
- E02D2300/0068—Including fibers made from carbon
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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Piles And Underground Anchors (AREA)
Abstract
Description
The present invention relates to a compound file.
In general, when constructing a building or a structure, a foundation work is performed to reinforce the ground to support the structure according to the condition of the ground or the load of the structure.
For this purpose, PHC piles (Pretensioned spun High strength Concrete Piles) are widely used, and these PHC piles have the advantages of better axial load bearing capacity, stronger impact, and greater flexural strength than PC piles.
1 is an exploded perspective view illustrating a structure of a conventional composite pile in which a steel pipe is coupled to an upper side of a seat plate provided at the head of the P.C pile, and FIG. 2 is a state in which the steel pipe is placed on the seat plate but not joined by welding. Fig. 3 is a cutaway perspective view showing the cut structure, and Fig. 3 is a cross-sectional view showing the structure of the cross section of Fig. 2.
As shown in these figures, the conventional composite pile consists of a
And, in welding the lower end of the
By the way, in such a conventional composite pile, the diameter of the
In addition, since the price of the
In addition, due to the difference in diameter between the
In addition, since the
The object of the present invention devised in view of the above point is to increase the flexural strength required for the foundation work and to reduce the cost of manufacturing to improve the economics and at the same time without direct damage to the P-C pile construction To provide a possible composite file.
The composite pile for achieving the object of the present invention as described above, P-C file is formed through the first hollow portion extending in the height direction and a plurality of steel wires are embedded at regular intervals along the circumferential direction; And a shear reinforcing part fixedly coupled to one end of the PH file, and having a second hollow part communicating with the first hollow part at a center thereof, the shear reinforcing part being formed to have a larger diameter than the PH file. It is done.
Here, the side of the one end of the shear reinforcing portion fixed to the one end of the P C file may be formed to be inclined.
The shear reinforcing part may have a plurality of steel wires disposed to be spaced apart by a predetermined interval along the circumferential direction of the shear reinforcing part.
In addition, a plurality of reinforcing bars disposed on the concentric circle with the steel wire may be further provided outside the steel wire embedded in the shear reinforcing part.
In addition, the reinforcing bar is formed along the longitudinal direction of the shear reinforcing portion and a plurality of first reinforcing bars arranged in an annular spaced apart a predetermined interval, and the first wound in a spiral shape on the outer peripheral surface of the plurality of annular first reinforcing bars It can be composed of two rebars.
In addition, a front end extension portion formed to have a diameter larger than the diameter of the PC at a predetermined height may be provided on a circumferential side end circumferential surface of the PPC end to which the shear reinforcement portion is coupled.
In addition, the circumferential surface of the shear reinforcing portion may be provided with a carbon fiber sheet formed to surround the entire circumferential surface.
In addition, the carbon fiber sheet may be attached by roller pressing or impregnation after applying a primer or epoxy to the circumferential surface of the shear reinforcement.
And, an outer circumferential surface of both ends of the carbon fiber sheet provided on the circumferential surface of the shear reinforcing portion may be provided with an annular reinforcement band.
Shear reinforcing part manufacturing mold for achieving another object of the present invention as described above, the tubular main surface forming housing having a predetermined internal space, a constant diameter and the both ends are formed; An inclined portion which is disposed at a plurality of locations in the main surface forming housing in a longitudinal direction of the main surface forming housing, the diameter gradually decreases, and the hollow is formed, and extends to a predetermined length at an end of the inclined portion; An end forming housing having a smaller diameter and consisting of an annular extension formed with a hollow; A connection plate provided at an end of the end forming housing to shield an end of the end forming housing to the outside; It is characterized in that it comprises a shielding plate provided at both ends of the opening of the main surface forming housing to shield the internal space from the outside.
Here, the end forming housing may be provided in a pair in which the extension part and the connecting plate are in contact with each other in a state in which they are disposed in opposite directions, and may be disposed at a plurality of locations of the main surface forming housing.
The end forming housing may be assembled in the main surface forming housing to be movable along the longitudinal direction of the main surface forming housing.
The construction method of the composite pile to achieve another object of the present invention as described above, the first step of drilling the ground having a diameter that can be inserted into the P. C pile using a boring device; Inserting a P.C file into the perforated ground; A third step of directly hitting the shear reinforcing part protruding to the outside; .
Here, the step of injecting milk into the perforated ground may be further included between the first step and the second step.
As described above, the composite pile according to the present invention may be provided with a separate shear reinforcing part formed of concrete material on the upper side of the P C pile to increase the bending strength required for the foundation construction.
In addition, by providing a pawn reinforcement part of the concrete material that can replace the steel pipe used in the conventional composite pile can reduce the construction cost because the basic construction can be constructed at a low cost.
In addition, the shear reinforcement portion is formed of the same concrete material as the PH pile, and the conventional steel pipe having a contact area larger than the area in contact with the PH pile, without directly damaging the end of the P pile, There is an effect that the construction of the foundation can be easily installed.
1 is an exploded perspective view illustrating a structure of a conventional composite pile in which a steel pipe is coupled to an upper side of a seat plate provided at the head of a P.C. file;
Figure 2 is a cutaway perspective view showing a cut in the structure of the steel pipe is placed on the seat plate but not joined by welding,
3 is a cross-sectional view showing the structure of the cross section of FIG.
4 is a perspective view illustrating a structure in which a PH file and a shear reinforcement part are separated from a composite file according to an embodiment of the present invention;
5 is a cross-sectional view showing the structure of the longitudinal section of FIG.
6 is a cross-sectional view showing the structure of a composite file according to another embodiment of the present invention,
7 is a cross-sectional view showing the structure of the cross-section of the shear reinforcement portion according to the present invention,
8 is a perspective view illustrating a structure of reinforcing bars embedded in the shear reinforcing part of FIG. 7;
9 is a cross-sectional view showing the structure of a composite file according to another embodiment of the present invention,
10 is a cross-sectional view showing the structure of a mold for manufacturing the shear reinforcement of the composite pile according to an embodiment of the present invention,
FIG. 11 is a perspective view illustrating a structure of an end forming housing provided in the mold of FIG. 9;
12 to 14 is a plan view showing a method for constructing a composite pile in the ground according to an embodiment of the present invention.
Hereinafter, the composite file according to an embodiment of the present invention will be described in detail with reference to the accompanying drawings.
4 is a perspective view illustrating a structure in which a P C file and a shear reinforcing part are separated in a composite file according to an embodiment of the present invention, FIG. 5 is a cross-sectional view illustrating a structure of a longitudinal section of FIG. 4, and FIG. 6 is an embodiment of the present invention. Figure 7 is a cross-sectional view showing the structure of a composite pile according to another embodiment of the present invention, Figure 7 is a cross-sectional view showing the structure of the cross section of the shear reinforcement portion according to the present invention, Figure 8 is a reinforcing bar embedded in the shear reinforcement of Figure 7 9 is a cross-sectional view showing the structure of a composite pile according to another embodiment of the present invention, Figure 10 is a mold for manufacturing a shear reinforcement of the composite pile according to an embodiment of the
As shown in these figures, the composite pile according to an embodiment of the present invention, the first
The first
The upper surface of the
The
Here, in welding the lower end of the
As shown in FIG. 6, the front end circumferential surface of the P-C pile end to which the
Meanwhile, the
The inside of the
The
The diameter of the annular cross section formed by the first reinforcing
In addition, a separate
In addition, separate reinforcement bands that apply pressure to both ends of the
As shown in Figure 9, the structure of the shear reinforcement of the composite pile according to another embodiment of the present invention is the same as one embodiment or another embodiment of the present invention, except for a separate
Although not shown in the drawing, the reinforcing
The structure of the mold for producing the shear reinforcement of the composite pile having the configuration as described above is as follows.
The shear reinforcement
The main
In addition, the
In addition, it is more effective that the
The method of manufacturing the shear reinforcement part of the composite pile using the mold for manufacturing the shear reinforcement part will be described briefly as follows.
First, the
Then, the
When the arrangement of the
Thereafter, the
Then, after performing atmospheric steam curing, which is a kind of accelerated curing, in order to promote the curing of the product, the product is removed from the mold, and the
Method for constructing a composite file in the ground according to an embodiment of the present invention is as follows.
As shown in FIG. 11, after drilling the ground using a separate boring device in the ground into which the composite pile is to be inserted, the
As shown in FIG. 12, after drilling the ground using a separate boring device in the ground into which the composite file is to be inserted, a
As shown in FIG. 13, the
In the above, the present invention has been described through the preferred embodiment according to the construction method of the composite pile, the shear reinforcement part manufacturing method and the composite pile. Of course not.
It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined in the appended claims. There is no saying.
100: PA file 110: First Department
120: steel wire 140: seat
141: fixing groove 142: recess
150: tip extension 200: shear reinforcement
210: second hollow portion 220: seat plate
230: steel wire 250: rebar
251: first rebar 252: second rebar
260: carbon fiber sheet 270: reinforcing band
300: mold 310: main surface forming housing
320: end forming housing 321: inclined portion
322: extension 330: connecting plate
340: shield plate
Claims (14)
And a shear reinforcing part fixedly coupled to one end of the PH file, the second reinforcing part communicating with the first hollow part at the center thereof, and having a larger diameter than the PH file. Compound file.
The composite pile, characterized in that the side of the one end of the shear reinforcing portion fixed to the one end of the P H file is formed to be inclined.
The shear reinforcement portion is a composite file, characterized in that a plurality of steel wires are disposed to be spaced apart by a predetermined interval in the circumferential direction of the shear reinforcement portion.
The composite pile, characterized in that the outer side of the steel wire inherent in the shear reinforcement portion is provided with a plurality of reinforcing bars arranged on the concentric circles with the steel wire.
The reinforcing bar extends along the longitudinal direction of the shear reinforcing part, and the plurality of first reinforcing bars are annularly disposed at predetermined intervals and the second reinforcing bars are spirally wound around the plurality of annular first reinforcing bar peripheral surfaces. Compound file, characterized in that consisting of.
And a front end extension portion formed at a predetermined height on a circumferential side of the opposite side end portion of the PA pile to which the shear reinforcement portion is coupled, to have a diameter larger than the diameter of the PA.
The circumferential surface of the shear reinforcement portion is a composite file, characterized in that the carbon fiber sheet formed to surround the entire circumferential surface.
The carbon fiber sheet is a composite pile, characterized in that by applying a primer or epoxy to the circumferential surface of the shear reinforcement portion by roller pressing or impregnation.
Composite ring, characterized in that the annular reinforcement band is provided on the outer peripheral surface of both ends of the carbon fiber sheet provided on the circumferential surface of the shear reinforcement.
An inclined portion which is disposed at a plurality of places inside the main surface forming housing along a longitudinal direction of the main surface forming housing and gradually decreases in diameter, and has a hollow, and extends to a predetermined length at an end of the inclined portion; An end forming housing having a smaller diameter and consisting of an annular extension formed with a hollow;
A connection plate provided at an end of the end forming housing to shield an end of the end forming housing to the outside;
Molds for manufacturing the shear reinforcement portion of the composite pile, characterized in that it comprises a shielding plate provided at both ends of the opening of the main surface forming housing to shield the internal space from the outside.
The end forming housing is provided with a pair in which the extension portion and the connecting plate are in contact with each other in a state arranged in an opposite direction, the shear reinforcement portion of the composite pile, characterized in that arranged in a plurality of places of the main surface forming housing Mold for manufacturing.
The end forming housing is a mold for manufacturing a shear reinforcement part of the composite pile, characterized in that assembled in the interior of the main surface forming housing to be movable along the longitudinal direction of the main surface forming housing.
A first step of drilling the ground using a boring device to have a diameter into which the P.C pile can be inserted;
Inserting the PHC file into the perforated ground;
A third step of directly hitting the shear reinforcing part protruding to the outside;
Construction method of a composite file comprising the.
Method of constructing a composite pile further comprises the step of injecting milk into the perforated ground between the first step and the second step.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020110015382A KR20120096156A (en) | 2011-02-22 | 2011-02-22 | Complex pile and the construction method using it and the mold for manufacturing a shear reinforcement part |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020110015382A KR20120096156A (en) | 2011-02-22 | 2011-02-22 | Complex pile and the construction method using it and the mold for manufacturing a shear reinforcement part |
Publications (1)
Publication Number | Publication Date |
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KR20120096156A true KR20120096156A (en) | 2012-08-30 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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KR1020110015382A KR20120096156A (en) | 2011-02-22 | 2011-02-22 | Complex pile and the construction method using it and the mold for manufacturing a shear reinforcement part |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20210047395A (en) * | 2019-10-21 | 2021-04-30 | 이종만 | Utility pole |
CN114277736A (en) * | 2022-03-07 | 2022-04-05 | 中国长江三峡集团有限公司 | Slope protection structure and construction method thereof |
KR20230168118A (en) * | 2022-06-03 | 2023-12-12 | 대영스틸산업주식회사 | Precast Composite Pile Structure and its Construction Method |
-
2011
- 2011-02-22 KR KR1020110015382A patent/KR20120096156A/en not_active Application Discontinuation
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20210047395A (en) * | 2019-10-21 | 2021-04-30 | 이종만 | Utility pole |
CN114277736A (en) * | 2022-03-07 | 2022-04-05 | 中国长江三峡集团有限公司 | Slope protection structure and construction method thereof |
CN114277736B (en) * | 2022-03-07 | 2022-06-21 | 中国长江三峡集团有限公司 | Slope protection structure and construction method thereof |
KR20230168118A (en) * | 2022-06-03 | 2023-12-12 | 대영스틸산업주식회사 | Precast Composite Pile Structure and its Construction Method |
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