KR101782091B1 - Soil retaining plate construction method by using H-pile for sheathing at building inside - Google Patents

Soil retaining plate construction method by using H-pile for sheathing at building inside Download PDF

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Publication number
KR101782091B1
KR101782091B1 KR1020150143190A KR20150143190A KR101782091B1 KR 101782091 B1 KR101782091 B1 KR 101782091B1 KR 1020150143190 A KR1020150143190 A KR 1020150143190A KR 20150143190 A KR20150143190 A KR 20150143190A KR 101782091 B1 KR101782091 B1 KR 101782091B1
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KR
South Korea
Prior art keywords
file
plate
plates
soil
space
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KR1020150143190A
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Korean (ko)
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KR20170044221A (en
Inventor
이종범
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(주)도건이엔씨
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Priority to KR1020150143190A priority Critical patent/KR101782091B1/en
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    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D17/00Excavations; Bordering of excavations; Making embankments
    • E02D17/02Foundation pits
    • E02D17/04Bordering surfacing or stiffening the sides of foundation pits
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D17/00Excavations; Bordering of excavations; Making embankments
    • E02D17/06Foundation trenches ditches or narrow shafts
    • E02D17/08Bordering or stiffening the sides of ditches trenches or narrow shafts for foundations
    • 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
    • E02D5/28Prefabricated piles made of steel or other metals
    • 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
    • E02D5/56Screw piles
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D7/00Methods or apparatus for placing sheet pile bulkheads, piles, mouldpipes, or other moulds
    • E02D7/22Placing by screwing down

Abstract

The present invention relates to a soil plate method using a foundation H file for an inner building retaining structure which can easily carry out foundation enlargement construction of a building even in a narrow space, Since the H file for the soil pile is rotated without punching the ground, it is composed of the H file and the partial pavement plate, It is possible to easily carry out the construction for the earth retaining even in the building without the spare space because the file is inserted by using the small rotating means which operates even in the narrow space for the mouth, And a polishing bit is formed in the cone portion formed in the perforation of the H file for the soil retaining structure Although the solid material in the ground construction which can be made a file embedment provides toryupan method using the base file H for the inner retaining.

Description

BACKGROUND OF THE INVENTION Field of the Invention [0001] The present invention relates to a soiled retaining plate construction method using H-pile for sheathing,

The present invention relates to a soil plate method using a foundation H file for building internal soil that can easily perform the basic enlargement construction of a building even in a narrow space.

The retention method corresponds to the pressure of soil on the back of the retaining wall. It is a method to support earth pressure and water pressure for the purpose of preventing ground collapse and water penetration due to foundation excavation.

In order to insert an H file (thumb pile) in such a retention method, the position where the H file is inserted is punctured by using an auger or a corresponding device, and a soil plate, a welt, and a strut are installed with the H file inserted This is the method that is preceded by the clogging of the soil and water pressure and the earthquake.

Examples of the earth retaining method using the earth plate include the CIP method, the MIP method, the PIP method, and the SCW method.

On the other hand, there are related arts such as Korean Registered Patent No. 10-1179770 and Korean Patent Laid-Open No. 10-2008-0085260, and these prior arts are mostly related to large-scale retention methods.

(Patent Document 1) KR10-1179770 B1 Retaining Wall Construction and Retaining Wall Construction Method

(Patent Document 2) KR10-2008-0085260 A Support file for installation of earth retaining structure and construction method of retaining structure using the same

On the other hand, it is often necessary to expand or remodel the building in order to shorten the cost and the working time, rather than building the building after demolishing the building within the limited space.

However, since buildings constructed with old low-rise buildings often fail to form buildings high due to weakening of the ground, rather than building high height due to the view due to problems in the building law, Foundation work is essential.

However, most of the retention methods are not suitable for the retention method for foundation work in a building with a small floor area and a small area because the work is performed using large equipment.

Especially, this phenomenon appears especially in the old buildings where the sea was buried in the land where the building was built, and it is necessary to take measures against it.

In order to solve the above-mentioned problems, the present invention provides a soil plate method using a foundation H file for building residues, which can easily carry out earth retaining work even in a narrow space, There is a purpose.

In the present invention, since a short length H file for an earth retaining pile is rotated without piercing the ground, the file is inserted using a small rotating means that operates even in a narrow space for drawing the H file, The construction for earthquake can be easily carried out.

In addition, when the penetration length is long, it is possible to construct the damper by connecting it after extending the length, and it is a useful invention in which the abrasive bit is formed in the concave portion formed in the perforation of the H file for the earth retaining, .

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view showing an H file for earth retaining in the present invention. FIG.
Fig. 2 is an exploded perspective view of Fig. 1; Fig.
3 is a state diagram showing a state before the soil file for H file is inserted in the present invention.
4 is a state view showing a state in which the length of the H file for earth retaining is extended in the present invention.
FIG. 5 is a state diagram showing a partial turfing step and a partial turntable mounting step in the present invention. FIG.
6 is a cross-sectional view taken along line AA of Fig.
FIG. 7 is a block diagram showing a soil plate method using a foundation H file for a building interior retaining structure according to the present invention. FIG.

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

The present invention relates to a method and a system for separating a terra cotta H file, a partial terra cotta stage, a partial terra cotta stage, a partial terra cotta stage and a partial turntable stage repeatedly at least once, Lt; / RTI >

First, prior to describing the method of the present invention, the structure of the H file 100 for soil retention will be described.

1. H file for earthwork

The H file 100 for earth retaining in the present invention includes an H file 30 for a tapper composed of a first H beam 10 and a perforation 20 coupled to a lower end of the first H beam 10, 1 to 2, the H-file 30 for the terahertz wave is coupled to the lower side of the first H-beam 10 and the first H-beam 10 to insert the first H-beam 10 into the ground And a perforation 20 for excavating the ground so that the ground can be formed.

The first H beam 10 is formed such that the first left and right side plates 11 and 12 are spaced apart from each other by a predetermined distance and the first horizontal plate 11 and the second horizontal plate 12 are disposed between the first left and right side plates 11 and 12. [ First and lower space portions 14 and 15 are formed on upper and lower sides with respect to the first horizontal plate 13, The left and right side plates 11 and 12 and the first horizontal plate 13 are in the form of an H beam extending in the vertical direction.

The first upper and lower space portions 14 and 15 are formed with a plurality of first support plates 16 in the vertical direction for supporting the first left and right side plates 11 and 12, , And the first support plate 16 are welded together.

The first left and right side plates 11 and 12 and the first horizontal plate 13 extend in the vertical direction on the upper and lower sides, 13 and the first and the lower support plates 17, 18 are welded to each other.

At least one first vertical coupling hole V1 is formed at the upper ends of the first left and right side plates 11 and 12 constituting the first H beam 10 of the H-file 30 for a terahertz wave described above At least one first horizontal coupling hole H1 is formed in the first phase and the lower side support plate 17. [

Next, the perforation 20 is coupled to the lower side of the first H beam 10 to penetrate the ground H into the ground while drilling the ground.

That is, in the above-described perforation 20, a plate-like coupling plate 21 for coupling with the first H beam 10 is formed on the upper side. A hole 21a corresponding to the first horizontal coupling hole H1 of the first lower supporting plate 18 formed on the first H beam 10 of the H file 30 for the ter- And can be engaged with the bolt (B) and the nut (N).

A shaft 22 extending downward is formed on a lower side of the coupling plate 21 and first and second screws 23 and 24 having different diameters are formed on the outer peripheral surface of the shaft 22 in a non- Formed structure.

The diameter of the first screw 23 formed on the upper side of the first and second screws 23 and 24 is larger than the diameter of the second screw 24 formed on the lower side of the first and second screws 23 and 24, It is preferable that the diameter of the first H beam 10 is larger than that of the first H beam 10.

In addition, a cone-shaped cone portion 25 made of a high-strength material is formed on the lower side surface of the shaft 22 so as to be able to perforate the ground.

Here, stones of various sizes in addition to soil can be formed on an ordinary ground.

Accordingly, a plurality of polishing bits 25a may be formed on the outer circumferential surface of the above-mentioned cone 25. [

Although the abrasive bit 25a may be formed of various materials, it is preferable that the abrasive bit 25a is made of industrial diamond to improve the efficiency.

In the meantime, the H file 30 for a ter- minerator according to the present invention is constructed so as to be able to apply the earth retaining film even in a narrow space as in a building.

Therefore, the length of the above-described H file 30 for a terahertz wave extending in the vertical direction of the first H beam 10 is inevitably short.

Accordingly, the present invention may further include means for extending the H-file 30 for the ter- minerator when a deeper depth is required.

That is, the H-file 40 for extending the length of the first H-beam 10 of the above-described ter- minal H-file 30 and the extension member 50 for connecting them may be further configured.

The length-extending H-file 40 is formed such that the second left and right side plates 41 and 42 are spaced apart from each other by a predetermined distance, and between the second left and right side plates 41 and 42, The upper and lower space portions 44 and 45 are formed on the upper and lower sides with respect to the second horizontal plate 43, The left and right side plates 41 and 42 and the second horizontal plate 43 extend in the vertical direction to form an H beam.

The second upper and lower space portions 44 and 45 are formed with a plurality of second support plates 46 in the vertical direction to support the second left and right side plates 41 and 42, The second left and right side plates 41 and 42 and the second horizontal plate 43 extend in the vertical direction on the upper and lower sides, The upper and lower support plates 47 and 48 are formed to have a square pipe shape as a whole.

At least one second vertical coupling hole V2 is formed on the upper and lower ends of the second left and right side plates 41 and 42 and one or more second vertical coupling holes V2 are formed on the second upper and lower support plates 47 and 48. [ Two horizontal coupling holes H2 are formed.

Meanwhile, the H file 30 and the H-length file 40 having the above-described structure can be firmly connected to each other by the extension member 50.

The extension member 50 is connected to the first and second vertical coupling holes V1 and V2 formed in the terference H file 30 and the length extension H file 40 and the third and fourth vertical coupling holes The right and left side plates 51 and 52 are spaced apart from each other by a predetermined distance and the left and right side plates 51 and 52 of the extension members Right side plates 51 and 52 while abutting against the second lower support plate 48 formed on the first upper support plate 17 formed on the first housing 30 and the H- And an extension member horizontal plate 53 for connecting the extension member 53 to each other.

Particularly, in the extension member horizontal plate 53, a first upper support plate 17 formed on the tappet H file 30 and a first upper support plate 17 formed on the second lower support plate 48 of the H- And a third horizontal coupling hole H3 corresponding to the two horizontal coupling holes H1 and H2 are formed.

Here, the above-described extension member 50 may be used to connect the H-file 30 for the terrestrial apparatus and the H-file 40 for extending the length, but may also be used for connecting a plurality of H-length files 40 .

In order to insert the H-file 30 for the terrestrial apparatus into the ground, the present invention may also be applied to a first upper support plate 17 formed at the upper end of the first H beam 10 or a H- The second upper support plate 47 may be detachably attached to the second upper support plate 47.

2. Retaining method

end. Step for inserting H file for earthwork

This step is a step for forming the foundation for installing the soil plate 1. [

Therefore, after the soil file H 100 is placed at a location outside the space to be terraced, and the soil file H 100 is placed in the space, the soil file H file And rotates the H-file 30 for the ter- minal of the optical disk 100.

The cone portion 25 formed in the perforation 20 of the ter- rider H file 30 which has been in contact with the ground surface has a function of adjusting the weight of the soil file H 100 and the rotating means R The force acts in the direction of gravity to insert the cone portion 25 while piercing the ground surface.

The first and second screws 23 and 24 are formed on the outer circumferential surface of the shaft 22 in the perforation 20 so that the perforation 20 can be further extended by expanding the space after the cone 25 is perforated, So that insertion of the first H beam 10 coupled to the upper end of the first H beam 10 can be smoothly performed.

Meanwhile, the first H beam 10 inserted into the space punctured by the perforation 20 of the H-file 30 for the terahertz, as described above, even if the insertion is made through the perforated portion, It falls down.

In this process, the first H beam 10 of the present invention is provided with a first support plate 16, and the first left and right side plates 11 and 12 of the first H beam 10 Therefore, even if a conventional H file is rotated, the first H beam 10 of the ter- minal H file 30 can be prevented from being damaged, and it can be fitted under the ground.

On the other hand, solid soil obstacles such as stones may exist in the soil below the ground.

In the present invention, since a plurality of polishing bits 25a are formed on the outer circumferential surface of the cone portion 25 of the perforation 20, even if there are such obstacles, the H file 30 for the ter- .

Particularly, in the present invention, the first and the lower support plates 17 and 18 are welded to the upper and lower sides of the H file 30 for the tappet, so that the first H plate 30, together with the first support plate 16, (10) is prevented from being twisted.

In addition, since the earth retaining method of the present invention can be used in a building with low height, etc., the length of the H-file 30 for a ter- minator extending in the vertical direction is usually about 1 to 1.5 m.

Therefore, when the terra cotta is performed to a deeper position, the H file 100 for soil retention must be formed to a deeper position.

In the present invention, this problem can be solved through the H-file 40 for extending the length.

4, the rotary unit coupling unit 60 for coupling with the rotary unit R is connected to the first upper support plate 17 formed on the first H beam 10 of the H-file 30 for the terahertz When the work is performed after the extension member 50 and the H-file 40 for extending the length are fastened by using the bolts B and N at the position and the work is performed, So that it is possible to perform the operation of inserting the soil file H 100 while adjusting it.

Particularly, in the present invention, it is possible to finish by repeatedly carrying out the work of inserting the above-mentioned H file 100 for earth retaining.

I. Partial turndown step

This step is a step of partially delimiting the periphery of the H-file 100 for the earth retaining structure that has been inserted into the ground through the above-described step of inserting the H-file for the earth retaining structure, and more specifically, A step of inserting the soil plate 1 between the first and the lower space portions 15 and 16 of the earth retaining H file 100 and the other earth retaining H file 100 facing the earth retaining H file 100 is performed.

Therefore, in this step, the tearing operation must be performed in consideration of the depth and area enough to insert the soil plate (1).

Particularly, the soil plate 1 described above is installed in the first upper support plate 17 and the first support plate 17 of the first H beam 10 formed in the H-file 30 for the terra cotta H file 100, The first upper and lower space portions 14 and 15 and the first upper and lower space portions 14 and 15 between the first support plates 16 formed between the first and second support plates 16 and 16, ) And the first lower support plate (18).

Therefore, the depth of the partial tearing may be performed in consideration of the vertical distance between the respective support plates 16, 17, 18.

Such partial trimming operation must be performed at a neighboring location where the H-file 100 for soil retention is inserted.

All. Partial soil board installation step

This step is a step of inserting the soil plate 1 into the space that has been touched in the above-mentioned partial trenching step.

In carrying out this step, the thickness of the soil plate 1 may be made thinner than the distance between the first left and right side plates 11 and 12 of the first H beam 10, The height of the soil plate 1 should be made longer than the distance between the H files 30 for the terrestrial H files 100 and the vertical height of the soil plate 1 should be larger than the distance between the respective support plates 16, It is preferable to form them so as to fit the spaced distances between them.

This partial soil layer installation step is intended to prevent the soil from collapsing on the side of the space where the tuff is made before the tuff is completely carried out.

Therefore, in the present invention, the above-described partial clumping step and partial clay sheet mounting step are repeatedly performed to form the first support plate 16 formed at the lowermost portion of the first H beam 10 of the H- And the first lower supporting plate 18 are formed, the turntable and the turntable 1 should be installed.

Since the soil plate 1 is formed between the support plates 16, 17 and 18 in the vertical direction, the thickness of the support plates 16, 17 and 18 may be set to be vertically spaced apart from each other. There is nothing.

Therefore, in the present invention, it is possible to prevent the soil pile H file 100 protruding downward by the thickness of each of the support plates 16, 17, 18 on the lower surface of the soil plate 1, So that the whole vertical direction of the H-file 100 for the earth retaining film can be installed without any gap between the soil plate 1.

la. The entire erase step

In this step, all the soil plates 1 are installed in the space to be tapped, and then the whole space is dismantled, and a detailed description thereof will be omitted.

On the other hand, in the present invention, after the above-described partial dismantling step is carried out for the first time, a wristband mounting step in which a wrist band (not shown in the drawing) is provided and a strut braid mounting step in which a wristband (not shown in the drawing) is provided can be performed.

In addition, the length H of the ter- minal H file 30 constituting the securing H file 100 according to the present invention is not long, and when the ter- minerator is to be performed in a range exceeding the length, It is possible to carry out the step of installing the above-mentioned partial tear-off device and partial tear-off plate from the length-extending H-file 40 after connecting the length-extending H-

As described above, according to the present invention, it is possible to directly penetrate the H file 100 for the earth retaining structure, but to extend the length of the H file 100, so that the earth retaining work for the terra cotta can be performed in a narrow space.

While the present invention has been described in connection with certain exemplary embodiments, it is to be understood that the invention is not limited to the disclosed embodiments, but, on the contrary, is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the appended claims.

1:
100: H file for building interior
R: rotating means
30: H file for Turntable
10: 1st H beam
11: first left side plate 12: first right side plate 13: first horizontal plate
14: first upper space part 15: first lower space part 16: first support plate
17: first upper supporting plate 18: first lower supporting plate
V1: first vertical coupling hole H1: first horizontal coupling hole
20: Thorough study
21: coupling plate 21a: hole 22: shaft 23: first screw
24: Second screw
25: concave 25a: abrasive bit
40: H file for extension of length
41: second left side plate 42: second right side plate 43: second horizontal plate
44: second upper space part 45: second lower space part 46: second support plate
47: second upper support plate 48: second lower support plate
V2: second vertical coupling hole H2: second horizontal coupling hole
50: extension member
51: extension member left side plate 52: extension member right side plate
53: extension member horizontal plate V3: third vertical coupling hole V4: fourth vertical coupling hole
H3: Third horizontal coupling hole
60:

Claims (7)

  1. The first left and right side plates and the first horizontal plate are arranged in a substantially H-shape and extend in the vertical direction to form the first upper and lower space portions around the space to be subjected to the tapping, A first H beam having first and second lower support plates provided on upper and lower sides thereof, and a coupling plate engaging with the first lower support plate of the first H beam, A plurality of H files for the ter- miners, each of which comprises a shaft formed by extending downward from the coupling plate, first and second screws formed on an outer circumferential surface of the shaft, and a cone portion formed at a lower end of the shaft, A step of inserting the H file to the ground by rotating the H file;
    A part of the ter- minator space is torn between the soil file H and the soil file between the soil files for the earth retaining H file, A trench-trenching step of trenching a part of the ground with a depth at which the first and second spaces are exposed;
    Wherein the first and the second space portions are disposed in a partially torned space in the partial tearing step so as to couple one side of the soil plate to any one of the first and the lower space portions formed in the H file for any one of the tearing H files, The other side of the dust collecting plate is connected to any one of the first and the lower space portions formed in the H file for the neighboring ter- minal waveguide to form a dust collecting plate; And
    And a total turfing step of repeatedly performing the partial turfing step and the turntable mounting step at least once,
    A first vertical coupling hole is further formed at the upper ends of the first left and right side plates formed on the first H beam of the H file for the terrestrial wave constituting the H file for securing the earth retaining H file,
    And a second horizontal plate disposed between the second left and right side plates to form a second upper and lower space, the second horizontal plate extending in a vertical direction, the second horizontal plate being formed in the second upper and lower spaces, A second support plate for supporting the right side plate, a second upper and lower support plates coupled to the upper and lower side surfaces of the second left and right side plates and the second horizontal plate, And a second vertical coupling hole formed in the lower end of the side plate or the upper and lower ends of the side plate,
    In order to combine the H file for the ter- minerator and the H file for extending the length, the first vertical coupling hole formed in the first left and right side plates of the H file for the ter- merator and the second left and right side plates And a third and fourth vertical coupling holes that can be engaged by bolts and nuts, and a second vertical coupling hole that is disposed between the left and right side plates of the extension member, Further comprising an extension member composed of a first upper side support plate of the H file and a second lower side support plate of the extension H file for extending the length of the H file for penetration into the ground Expandable,
    A rotating means engaging portion that is engageable with the rotating means is further provided on the upper side of the first upper supporting plate formed on the H file for the terra cotta H file for the earth retaining or above the second upper side supporting plate formed on the H file for extending the length, And,
    The first, lower, and upper support plates of the H file for the earth retaining H file and the second and lower support plates of the extension H file and the horizontal member of the extension member of the extension member are fastened by bolts and nuts, 1, 2, 3 Horizontal coupling holes are formed in the building.
  2. The method as claimed in claim 1, further comprising polishing a bit on the surface of the cone formed in the perforation of the soil file for H file.
  3. delete
  4. delete
  5. delete
  6. 2. The method as claimed in claim 1, further comprising the step of installing a welt on the upper end of the H-file for soil erection after the partial quarrying step.
  7. The method as claimed in claim 6, further comprising a step of installing a strand after the wale installation step.
KR1020150143190A 2015-10-14 2015-10-14 Soil retaining plate construction method by using H-pile for sheathing at building inside KR101782091B1 (en)

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KR1020150143190A KR101782091B1 (en) 2015-10-14 2015-10-14 Soil retaining plate construction method by using H-pile for sheathing at building inside

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KR101782091B1 true KR101782091B1 (en) 2017-09-27

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102026978B1 (en) * 2018-06-12 2019-09-30 박경원 Direct tension beam and method for constructing temporary facility using this same
KR102162460B1 (en) 2020-03-03 2020-10-06 토우산업 주식회사 Height extension assembly for pile in temporary soil shearing system and Method for constructing and dismantling of temporary soil shearing system

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102143969B1 (en) * 2020-01-03 2020-08-12 정경한 Prestressed Cast in Place Concrete Pile Assembly for Retaining Wall And Method for Constructing the Same
KR102137045B1 (en) * 2020-01-21 2020-07-23 임창진 Temporary structure of sheathing having monitoring means
KR102137200B1 (en) * 2020-02-11 2020-07-23 주식회사 유앤씨 construction method of soil retaining wall using square steel pipe
KR102151496B1 (en) * 2020-03-30 2020-09-03 에스오씨기술지주 주식회사 Underground continuous wall structure of concrete steel composite and construction method there of
KR102146372B1 (en) * 2020-05-12 2020-08-20 (주) 코리아에스이 Retaining Wall without Wale Beam, Wall Structure combined such Retaining Wall and Concrete Wall, and Constructing Method thereof

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Publication number Priority date Publication date Assignee Title
KR200193223Y1 (en) * 2000-03-30 2000-08-16 길덕기 H-beam joint tool
JP3162263B2 (en) * 1995-05-19 2001-04-25 株式会社沖データ Heat roller temperature control method

Patent Citations (2)

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Publication number Priority date Publication date Assignee Title
JP3162263B2 (en) * 1995-05-19 2001-04-25 株式会社沖データ Heat roller temperature control method
KR200193223Y1 (en) * 2000-03-30 2000-08-16 길덕기 H-beam joint tool

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102026978B1 (en) * 2018-06-12 2019-09-30 박경원 Direct tension beam and method for constructing temporary facility using this same
KR102162460B1 (en) 2020-03-03 2020-10-06 토우산업 주식회사 Height extension assembly for pile in temporary soil shearing system and Method for constructing and dismantling of temporary soil shearing system

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