KR101440566B1 - Housing bracket for constructing foundation of pier in the water and construction method of foundation of pier using the same - Google Patents

Housing bracket for constructing foundation of pier in the water and construction method of foundation of pier using the same Download PDF

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Publication number
KR101440566B1
KR101440566B1 KR1020130061464A KR20130061464A KR101440566B1 KR 101440566 B1 KR101440566 B1 KR 101440566B1 KR 1020130061464 A KR1020130061464 A KR 1020130061464A KR 20130061464 A KR20130061464 A KR 20130061464A KR 101440566 B1 KR101440566 B1 KR 101440566B1
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KR
South Korea
Prior art keywords
housing
cap
pile
steel pipe
sacrificial steel
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KR1020130061464A
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Korean (ko)
Inventor
김태희
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김태희
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Priority to KR1020130061464A priority Critical patent/KR101440566B1/en
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    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D27/00Foundations as substructures
    • E02D27/10Deep foundations
    • E02D27/12Pile foundations

Abstract

The present invention relates to a housing bracket for constructing a foundation of an underwater pier for mounting a housing installed to construct a foundation of a pier at upper portions of a plurality of piles in which concrete is poured inside a sacrificial steel pipe under water, and a method of constructing a foundation of an underwater pier. A housing bracket for constructing a foundation of an underwater pier of a present invention is to mount a housing formed in a box shape with an opened upper portion and having an insertion hole in which the piles are inserted formed at a lower surface to construct a foundation of a pier at upper portions of the piles in which concrete is poured inside the sacrificial steel pipe under water. The housing bracket includes a cylindrical cap portion connected to an outer side of an upper portion of the sacrificial steel pipe and having an internal diameter greater than an external diameter of the sacrificial steel pipe; a housing mounting portion protruded toward an outer side of a lower end of the cap portion to mount a lower surface of the housing; and a height adjuster detachably connected to an upper end of the cap portion and adjusting the height of the cap portion by being supported by upper ends of the piles. According to the present invention, a level of a housing bracket is adjusted by adjusting the height of the housing mounting portion from the outer side of the upper portion of the sacrificial steel pipe. A level of each bracket coupled to the plurality of piles can be corresponded to each other regardless of a ground condition or an in-site situation, and constructing a foundation of a pier structurally safe in a deep river or a soft ground is possible.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a housing bracket for underwater pier construction,

The present invention relates to a housing bracket for underwater underwater bridge foundation construction for mounting a housing installed to construct a bridge bridge foundation on a plurality of piles with concrete embedded in a sacrificial steel pipe in water, and a method of underwater bridge bridge foundation construction using the same.

A bridge is a bridge substructure that supports a bridge girder and transfers the load from the bridge girder to the lower ground.

One of the methods of constructing the pier foundation is to place the PC housing, which is a precast concrete assembly which is prefabricated on the pile base such as the pile of RCD (Reverse Circulation Drill) pile, and then to pour concrete into the PC housing to complete the pier foundation Is widely used.

However, in order to join the PC housing to the pile foundation, the brackets were welded underwater to the outer circumferences of the pile base, respectively, and then the PC housing was joined to the top of the bracket.

However, the above-mentioned conventional method has a problem that the quality of welding is poor due to underwater welding, and the construction cost for special welding such as underwater welding is large, and the height of the bracket is fixed It is difficult to carry out the welding process by holding the bracket separately.

In order to solve this problem, in Patent No. 10-0531147 (bracket device for PC house installation on a bridge foundation), a bracket device is fixed to the outer circumferential surface of a pile cap pipe installed on the upper end of an RCD pile through welding on the ground, So that the underwater welding operation according to the installation can be omitted. In addition, the structure of the bracket device for fixing the PC housing to be mounted on the RCD pile was improved to a buoyancy prevention bolt system which can prevent the movement of the PC housing by the wave or buoyancy.

However, in the prior art, it is often difficult to match the level of the brackets located on the periphery of a plurality of piles according to the ground conditions or the field conditions.

In addition, since water can flow into the space between the pile and the pile inserting hole formed in the bottom of the PC housing, it can enter the inside of the housing.

In addition, the prior art has the disadvantage that the bracket must be welded to the pile while temporarily holding the bracket because there is no separate means for fixing the bracket.

In order to solve the above-mentioned problems, the present invention provides a method of mounting a pile foundation on a plurality of piles, comprising the steps of: providing a plurality of piles, And an underwater bridge pier construction method using the same.

In addition, the present invention eliminates the need to carry out the welding process while temporarily holding the height of the housing bracket when fixing the housing bracket to the pile, so that a housing bracket for underwater pier foundation construction with excellent workability and a basic construction method .

Another object of the present invention is to provide a housing bracket for underwater bridge pavement construction that can secure the watertightness of a housing without a separate exponent operation and a method of underwater bridge pavement construction using the same.

According to another aspect of the present invention, there is provided a pile of concrete comprising: a plurality of piles disposed in a sacrificial steel pipe in water, A cylindrical cap part which is coupled to the outside of the upper part of the sacrificial steel pipe and whose upper and lower parts are opened and whose inner diameter is larger than the outer diameter of the sacrificial steel pipe; A housing mounting part protruding outside the lower end of the cap part to mount the lower surface of the housing; And height adjusting means coupled to the upper end of the cap so as to be detachable and supported by the upper end of the pile to adjust the height of the cap portion. The present invention provides a housing bracket for underwater bridge pavement construction.

According to another preferred embodiment of the present invention, the height adjusting means comprises: a plurality of engaging portions detachably coupled to the upper side surface of the cap portion, the upper end of the engaging portion protruding upward from the cap portion; A support frame interconnecting the upper ends of the coupling parts; At least one height adjuster provided in the support frame and having a through hole vertically formed at the center thereof and a female screw acid formed on the inner surface of the through hole; And a height adjusting bolt penetrating the height adjusting hole to support an upper end of the pile; The present invention provides a housing bracket for underwater bridge pavement construction.

According to another preferred embodiment of the present invention, there is provided a housing bracket for underwater pier foundation construction, wherein the coupling portion is coupled with a cap portion and a bolt and a nut.

According to another preferred embodiment of the present invention, there is provided a method of manufacturing a pile comprising the steps of: (a) providing a sacrificial steel pipe in water and pouring concrete into the sacrificial steel pipe to form a plurality of piles; (b) a cylindrical cap portion which is coupled to the outside of the upper part of the sacrificial steel pipe of each pile and whose upper and lower portions are opened and whose inner diameter is larger than the outer diameter of the sacrificial steel pipe, a housing mounting portion protruding outside the lower end portion of the cap portion, A step of installing a housing bracket on the top of each pile so that the cap portion is coupled to the outside of the sacrificial steel pipe of each pile, the housing bracket comprising a height adjusting means which is supported on the upper end of the pile to adjust the height of the cap portion. (c) adjusting the height of the cap portion by the height adjusting means so that the vertical positions of the housing mount portions of the respective cap portions match; (d) welding and joining the outer side of the sacrificial steel pipe and the inner peripheral surface of the cap portion; (e) removing the height adjusting means from the cap portion; (f) a housing in which an upper portion is opened and a lower portion of which is formed with an insertion hole at a position corresponding to a position of a pile, an upper portion of the pile is inserted into the insertion hole, and a housing is installed so that the lower surface of the housing is received in the housing mounting portion ; And (g) pouring concrete into the housing to complete the pier foundation; The method of the present invention includes the steps of:

According to another preferred embodiment of the present invention, the housing is a precast concrete or a steel material.

According to the present invention as described above, the following effects can be obtained.

First, the housing bracket is used to mount the housing for pier foundation on the upper part of a plurality of piles, and the height of the housing mount of the housing bracket can be adjusted outside the upper part of the sacrificial steel pipe of the pile. This makes it possible to match the level of each bracket to be connected to a large number of piles without regard to various ground conditions or site conditions, and it is possible to construct a pier bridge foundation that is structurally safe from deeper river or soft ground.

Second, the bracket can be fixed to the upper part of the pile by welding the outside of the sacrificial steel pipe of the pile and the inner circumferential surface of the cap of the housing bracket in a state where the housing bracket is mounted on the pile by self weight. Therefore, when fixing the housing bracket, it is not necessary to carry out the welding process while holding the housing bracket temporarily, which makes the construction simple.

Third, since the outer surface of the sacrificial steel pipe is welded to the inner peripheral surface of the cap portion of the housing bracket, the watertightness of the housing can be ensured without a separate index operation. As a result, water is not penetrated into the space between the pile and the pile inserting holes formed on the bottom of the housing, and is not introduced into the housing.

1 is a perspective view showing a state where a housing bracket for underwater underwater bridge foundation construction of the present invention is installed on an upper portion of a pile.
2 is a perspective view showing a housing bracket for underwater bridge pavement construction of the present invention installed on an upper portion of a pile.
3 is a perspective view showing a housing bracket for underwater bridge pavement construction of the present invention in which the outer side of the sacrificial steel pipe of the pile and the inner peripheral surface of the cap are welded.
4 is a perspective view showing a state where the height adjusting means is removed from the housing bracket for underwater pier foundation installation of the present invention.
5 is a perspective view showing details of a housing bracket for underwater bridge pavement construction of the present invention.
6 is a view showing a stepwise process of the underwater pier foundation installation method of the present invention.
7 is a perspective view showing a step of installing a housing on an upper portion of a pile in the underwater bridge pavement construction method of the present invention.
FIG. 8 is a perspective view showing a state where a housing is installed on an upper end of a pile in the underwater bridge pavement construction method of the present invention.

Hereinafter, the present invention will be described in detail with reference to the accompanying drawings and preferred embodiments.

1 is a perspective view showing a state in which a housing bracket 40 for underwater underwater bridge foundation construction of the present invention is installed on an upper part of a pile 10. Figure 2 is a perspective view of a pier 10 according to the present invention, FIG. 3 is a perspective view showing a housing bracket 40 for underwater bridge pavement construction of the present invention, in which the outside of the sacrificial steel pipe 11 of the pile 10 and the inner circumferential surface of the cap portion 41 are welded, Fig.

The housing bracket 40 of the present invention includes a plurality of piles 10 in which concrete 12 is placed in a sacrificial steel pipe 11 in the water, (30) formed with an insertion hole (31) into which the pile (10) is inserted.

The pile 10 includes all the piles in which the concrete 12 is placed in the outer sacrificial steel pipe 11 such as a RCD (Reverse Circulation Drill) pile, which is the base of the large diameter concrete pile.

The lower part of the pile 10 is installed in the ground of the river bed or the sea floor. The upper part of the sacrificial steel pipe 11 of the pile 10 is installed so as to protrude above the water surface and the upper part of the sacrificial steel pipe 11 is cut after placing the concrete 12 in the sacrificial steel pipe 11.

The housing 30 may be a precast concrete housing, a steel housing, or the like. Since the housing 30 has a weight ranging from several tons to tens of tons, the housing 30 may be divided into a plurality of sections.

A plurality of insertion holes 31 into which the upper end of the pile 10 can be inserted are formed on the lower surface of the housing 30. The insertion hole 31 is formed by accurately measuring the position and size of the sacrificial steel pipe 11.

1 to 3, the housing bracket 40 of the present invention is coupled to the outside of the upper part of the sacrificial steel pipe 11 and has an upper and a lower portion opened and an inner diameter larger than the outer diameter of the sacrificial steel pipe 11 A cap portion 41 of a larger cylindrical shape; A housing mounting part (42) protruding outside the lower end of the cap part (41) so that the lower surface of the housing (30) is mounted; And height adjusting means 43, which is detachably coupled to the top of the cap portion 41 and is supported on the upper end of the pile 10 to adjust the height of the cap portion 41; .

The cap part (41) surrounds the upper part of the sacrificial steel pipe (11) outside the sacrificial steel pipe (11).

The housing mounting portion 42 is a portion where the lower surface of the housing 30 is mounted. In the embodiment of FIGS. 1 to 5, the housing mounting portion 42 is configured as a hollow ring-shaped plate. However, it is sufficient that not only a ring plate shape but also a structure that protrudes outside the cap portion 41 to mount the housing 30 can be obtained.

The height adjusting means 43 is coupled to the upper end of the cap portion 41 and adjusts the height of the cap portion 41 to adjust the height of the adjacent housing brackets 40 to match each other. The height adjusting means 43 may be used to weld the housing bracket 40 to the pile 10 and then remove and reuse the housing bracket 40.

In the present invention, the housing bracket 40 is a cap type that covers the upper portion of the pile 10, and is mounted on the upper portion of the pile 10 by its own weight.

3, the pile 10 and the housing bracket 40 are coupled to each other by welding the outside of the sacrificial steel pipe 11 of the pile 10 and the inner circumferential surface of the cap portion 41 of the housing bracket 40 .

4 is a perspective view showing a state in which the height adjusting means 43 is removed from the housing bracket 40 for the underwater bridge pavement construction of the present invention, and FIG. 5 is a perspective view showing the housing bracket 40 Of FIG.

The height adjusting means 43 of the housing bracket 40 may include a plurality of engaging portions 431 detachably connected to the upper side surface of the cap portion 41 and having an upper end protruding above the cap portion 41; A support frame 432 interconnecting the upper ends of the engaging portions 431; At least one height adjuster 433 provided in the support frame 432 and having a through hole vertically formed at the center thereof and a female screw hole formed on the inner surface of the through hole 433; A height adjusting bolt 434 passing through the height adjusting hole 433 to support the upper end of the pile 10; . ≪ / RTI >

The coupling portion 431 is a portion that is coupled to the cap portion 41 and the support frame 432 is a portion that interconnects the upper ends of the coupling portion 431.

1 to 5, a pair of engaging portions 431 extending vertically downward from both ends of a supporting frame 432 crossing the upper surface of the cap portion 41 are respectively inserted into the cap portion 41 from the outside of the cap portion 41 41).

4 to 5, the coupling portion 431 may be detachably coupled to the cap portion 41 with bolts B and nuts.

The height adjustment means 43 adjusts the height of the housing mounting portion 42 and then the housing bracket 40 is welded to the pile 10 and then the height adjusting means 43 can be removed. have.

The height adjustment of the housing mounting portion 42 through the housing bracket 40 is performed by a height adjusting bolt 433 provided in the support frame 432 and a height adjusting bolt 434 passing through the height adjusting bolt 433 .

That is, a screw thread is formed on the outer circumferential surface of the through hole through a height adjusting hole 433 formed with a female screw hole to adjust the vertical movement of the height adjusting bolt 434 to support the upper end of the pile 10, The height of the housing mounting portion 42 of the housing 40 can be adjusted.

The lower end of the height adjusting bolt 434 is located at the upper end of the pile 10. The height of the height adjusting bolt 434 is moved up and down to adjust the height of the housing mounting portion 42 of the housing bracket 40.

5, the height adjustment bolt 434 is provided at its lower end with a height adjustment bolt 434 to prevent damage to the concrete 12 placed in the sacrificial steel pipe 11 and to effectively disperse the load, The support plate 435 having a width larger than that of the bolt body can be positioned.

Further, a rotation handle 436 may be provided at the upper end of the height adjusting bolt 434 so as to protrude to the outside of the bolt body of the height adjusting bolt 434.

The height adjusting means 43 may be replaced with various types such as a hydraulic jack as well as the height adjusting bolt 433 and the height adjusting bolt 434.

By providing the reinforcing ribs 422 or the supporting brackets on both sides of the bottom surface of the housing mounting portion 42 that are adjacent to the outer circumferential surface of the cap portion 41 and the lower surface of the housing mounting portion 42, When the housing (30) is placed on the upper portion (42), the load can be effectively supported.

Since the elastic pad 421 is provided on the upper portion of the housing mounting portion 42 to prevent water from flowing into or out of the gap between the housing 30 and the housing mounting portion 42, . In addition, the elastic pad 421 may also absorb the impact when the housing 30 is mounted.

7 is a perspective view showing a step of installing the housing 30 on the pile 10 in the underwater pier foundation construction method of the present invention. Fig. 6 is a view showing a stepwise process of the underwater bridge pier construction method according to the present invention. And FIG. 8 is a perspective view showing a state in which the housing 30 is installed on the upper end of the pile 10 in the underwater bridge pavement construction method of the present invention.

The method of the present invention includes the steps of: (a) providing a sacrificial steel pipe (11) in water and placing a concrete (12) in the sacrificial steel pipe (11) to form a plurality of piles (10); (b) a cylindrical cap portion 41 which is coupled to the outside of the upper part of the sacrificial steel pipe 11 of each pile 10 and whose upper and lower portions are opened and whose inner diameter is larger than the outer diameter of the sacrificial steel pipe 11; A height adjusting means 43 for supporting a height of the cap portion 41 by being supported on the upper end of the pile 10 so as to be detachably coupled to the upper end of the cap portion 41, Installing the housing bracket 40 on the top of each pile 10 so that the cap portion 41 is coupled to the outside of the sacrificial steel pipe 11 of each pile 10; (c) adjusting the height of the cap portion (41) by the height adjusting means (43) so that the vertical positions of the housing mounting portions (42) of the respective cap portions (41) coincide with each other; (d) welding the outside of the sacrificial steel pipe 11 and the inner circumferential surface of the cap portion 41 by welding; (e) removing the height adjusting means (43) from the cap portion (41); (f) The upper part of the pile 10 is inserted into the insertion hole 31, and the upper part of the pile 10 is inserted into the lower part of the housing 30 having the insertion hole 31 at a position corresponding to the position of the pile 10 Installing a housing (30) so that the lower surface of the housing (30) is mounted to the housing mounting part (42); And (g) pouring concrete into the housing (30) to complete the pier foundation (20); And a control unit.

6 (a) to 6 (b), a sacrificial steel pipe 11 is installed in the water, and the concrete (not shown) is filled in the sacrificial steel pipe 11 12) to form a plurality of piles (10).

Prior to the above step (a), preliminary surveys including drilling survey, including ground survey, should be conducted.

6 (a), the sacrificial steel pipe 11 is inserted to a predetermined position such that the lower portion of the pile 10 is positioned at a predetermined position on the bottom of the steel or sea, and the sacrificial steel pipe 11 ) The upper part is installed so as to protrude above the water surface.

Next, the water inside the sacrificial steel pipe 11 is drained, the cast steel 10 is inserted into the sacrificial steel pipe 11, and then the concrete 12 is poured. After the curing of the concrete 12 is completed, the upper part is partially cut so that the upper end of the sacrificial steel pipe 11 is positioned below the water surface as shown in FIG. 6 (b).

6 (c), (b) the housing bracket 40 is installed on the upper end of the pile 10, (c) the height adjusting means 43, The outer surface of the sacrificial steel pipe 11 and the inner circumferential surface of the cap portion 41 are adjusted so that the vertical positions of the housing mounting portions 42 of the respective cap portions 41 coincide with each other, Welded.

The process of adjusting the vertical position of the housing bracket 40 installed on the upper end of the pile 10 and the vertical position of the housing mount 42 of the cap unit 41 in the step (c) Which is the same as that of the housing bracket 40 for the underwater bridge pavement construction of the present invention explained through the embodiment of FIG.

In the step (d), the outer circumference of the sacrificial steel pipe 11 of the pile 10 and the inner circumferential surface of the cap portion 41 of the housing bracket 40 in the state where the housing bracket 40 is mounted on the pile 10 by self- And the bracket is fixed to the upper portion of the pile 10 by welding.

Therefore, when fixing the housing bracket 40, it is not necessary to separately carry out the welding process while temporarily holding the housing bracket 40, so that the construction can be carried out by a simple process. It is also possible to prevent water from penetrating into the space between the pile 10 and the cap portion 41 and flowing into the inside of the housing 30 by welding between the outside of the sacrificial steel pipe 11 and the inner circumferential surface of the cap portion 41 have.

As shown in FIG. 6 (d), (e) the height adjusting means 43 is removed from the cap portion 41.

In the step (e), when the pile 10 is inserted into the insertion hole 31 for installing the housing 30, the cap portion 41 is caught by the bottom surface of the housing 30 to prevent the insertion of the housing 30 .

6 (e), (f) a housing 30 having a box-like shape with its top opened and having an insertion hole 31 at a position corresponding to the position of the pile 10 on the lower surface thereof, The upper portion of the pile 10 is inserted into the insertion hole 31 and the housing 30 is installed so that the lower surface of the housing 30 is received in the housing mounting portion 42, (G) Concrete is poured into the housing 30 to complete the pier foundation 20, as can be seen in FIG.

In the step (f), it is preferable that the lower part of the housing 30 is lower than the low water level and the upper part of the housing 30 is positioned higher than the high water level.

7 and 8 illustrate a state where the housing 30 is installed on the pile 10 and a housing 30 is installed on the upper end of the pile 10, respectively.

In step (g), the pier foundation foundation reinforcing bar is placed before the concrete pouring, and the bridge pier is constructed on the upper part after the pier foundation 20 is completed.

In the present invention, the housing bracket 40 of step (b) and the housing 30 of step (f) are separately manufactured on land.

In the present invention, the housing 30 may be made of precast concrete or steel.

10: pile 11: sacrificial steel pipe
12: concrete 20: pier foundation
30: housing 31: insertion hole
40: housing bracket 41: cap part
42: housing mounting part 421: elastic pad
422: reinforcing rib 43: height adjusting means
431: engaging portion 432: support frame
433: Height adjuster 434: Height adjusting bolt
435: Support plate 436: Rotation handle
B: Bolt N: Nut
W: Welding

Claims (5)

  1. A plurality of piles 10 in which a concrete 12 is placed in a sacrificial steel pipe 11 under water is inserted in a box-like shape having an open upper part for constructing a pier foundation 20, For mounting the housing (30) having the hole (31) formed therein,
    A cylindrical cap portion 41 which is coupled to the outside of the upper part of the sacrificial steel pipe 11 and whose upper and lower portions are opened and whose inside diameter is larger than the outside diameter of the sacrificial steel pipe 11;
    A housing mounting part (42) protruding outside the lower end of the cap part (41) so that the lower surface of the housing (30) is mounted; And
    A height adjusting means 43 that is detachably coupled to an upper end of the cap portion 41 and is supported on an upper end of the pile 10 to adjust a height of the cap portion 41; (40) for underwater pier foundation construction.
  2. The method according to claim 1,
    The height adjustment means (43)
    A plurality of engaging portions 431 detachably coupled to an upper side surface of the cap portion 41 and having an upper end protruded above the cap portion 41;
    A support frame 432 interconnecting the upper ends of the engaging portions 431;
    At least one height adjuster 433 provided in the support frame 432 and having a through hole vertically formed at the center thereof and a female screw hole formed on the inner surface of the through hole 433; And
    A height adjusting bolt 434 passing through the height adjusting hole 433 to support the upper end of the pile 10; (40) for underwater underwater pavement construction.
  3. 3. The method of claim 2,
    Wherein the coupling portion 431 is coupled to the cap portion 41 by bolts B and a nut N. The housing bracket 40 for the underwater bridge foundation construction.
  4. (a) providing a sacrificial steel pipe (11) in water and placing a concrete (12) in the sacrificial steel pipe (11) to form a plurality of piles (10);
    (b) a cylindrical cap portion 41 which is coupled to the outside of the upper part of the sacrificial steel pipe 11 of each pile 10 and whose upper and lower portions are opened and whose inner diameter is larger than the outer diameter of the sacrificial steel pipe 11; A height adjusting means 43 for supporting a height of the cap portion 41 by being supported on the upper end of the pile 10 so as to be detachably coupled to the upper end of the cap portion 41, Installing the housing bracket 40 on the top of each pile 10 so that the cap portion 41 is coupled to the outside of the sacrificial steel pipe 11 of each pile 10;
    (c) adjusting the height of the cap portion (41) by the height adjusting means (43) so that the vertical positions of the housing mounting portions (42) of the respective cap portions (41) coincide with each other;
    (d) welding the outside of the sacrificial steel pipe 11 and the inner circumferential surface of the cap portion 41 by welding;
    (e) removing the height adjusting means (43) from the cap portion (41);
    (f) The upper part of the pile 10 is inserted into the insertion hole 31, and the upper part of the pile 10 is inserted into the lower part of the housing 30 having the insertion hole 31 at a position corresponding to the position of the pile 10 Installing a housing (30) so that the lower surface of the housing (30) is mounted to the housing mounting part (42); And
    (g) completing the pier foundation 20 by pouring concrete into the housing 30; Wherein the method comprises the steps of:
  5. 5. The method of claim 4,
    Wherein the housing (30) is precast concrete or steel.
KR1020130061464A 2013-05-30 2013-05-30 Housing bracket for constructing foundation of pier in the water and construction method of foundation of pier using the same KR101440566B1 (en)

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KR1020130061464A KR101440566B1 (en) 2013-05-30 2013-05-30 Housing bracket for constructing foundation of pier in the water and construction method of foundation of pier using the same
PCT/KR2013/005204 WO2014193023A1 (en) 2013-05-30 2013-06-12 Housing bracket for constructing foundation of underwater bridge support and method for constructing foundation of underwater bridge support using same

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KR20160060901A (en) 2014-11-20 2016-05-31 삼성물산 주식회사 Construction and design method for pile-cap with precast system on water condition
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KR20160060901A (en) 2014-11-20 2016-05-31 삼성물산 주식회사 Construction and design method for pile-cap with precast system on water condition
KR101646027B1 (en) * 2016-05-13 2016-08-05 대림산업 주식회사 Installation Method and Structure of PC House for Pile-Cap
KR101858407B1 (en) * 2017-10-18 2018-05-15 채봉철 Method of connection of Pre-cast structure with pile foundation
KR102157976B1 (en) 2020-01-05 2020-09-18 채봉철 underwater structure to be connected to pile foundation by using bracket

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