KR102150901B1 - H-steel structure - Google Patents

Abstract

Disclosed is an H-steel structure. The H-steel structure includes: H-steel including a web portion, a first flange portion arranged on one end of the web portion, and a second flange portion arranged on the other end of the web portion; a cover part including a curved portion corresponding to the shape of the H-steel; and at least one clip in which the cover part adheres to the H-steel and which is detachably coupled to the cover part. Therefore, the H-steel structure can smoothly recover the H-steel.

Description

H-beam structure {H-STEEL STRUCTURE}

The present invention relates to an H-beam structure, and more particularly, to an H-beam structure that facilitates the recovery of the H-beam used in the retaining method.

In civil works, a temporary earthen wall is installed to block soil collapse and inflow of groundwater during ground excavation. In urban areas, the underground continuous wall construction method is mainly used, and the underground continuous wall construction method secures the rigidity of the wall by inserting H-beams inside the continuous wall.

Examples of the underground continuous wall construction method include the CIP (Cast In Place Pile) method and the SCW (Soil Cement Wall) method.

The CIP method is a method in which several holes are drilled in the ground at the required location using an earth auger, and cement paste or mortar is injected along with H-beam and gravel to cure.

The SCW method is a method of excavating the ground using a 3-axis earth auger, injecting cement paste or mortar, mixing it with the excavated soil, and forming a pile by pressing H-beam.

Walls formed by using concrete piles generated through the CIP method or SCW method as columns are used as temporary earth protection facilities.

The above-described underground continuous wall construction method can secure high strength and stability by inserting H-beams into the wall, but it is difficult to recover H-beams and thus wastes expensive H-beams.

The present invention was conceived to solve the above-described problem, and an object thereof is to provide an H-beam structure capable of smooth recovery while preventing damage to the H-beam used in the underground continuous wall construction method.

The H-steel structure according to an embodiment of the present invention includes a web portion, a first flange portion disposed at one end of the web portion, and a first flange portion disposed at one end of the web portion. 2 H-beam including a flange portion, a cover portion including a curved portion corresponding to the shape of the H-beam, and at least one clip in close contact with the cover portion to the H-beam and detachably coupled to the cover portion ( clip).

According to various embodiments of the present invention, damage to H-beams used in the underground continuous wall construction method is prevented, and smooth recovery of H-beams is possible.

1 is a perspective view of an H-beam structure according to an embodiment of the present invention.
2 is a perspective view of a cover part according to an embodiment of the present invention.
3 is a perspective view of a cover part according to another embodiment of the present invention.
4 is a perspective view of a cover part according to another embodiment of the present invention.
5 is a perspective view of a clip according to an embodiment of the present invention.
6 is a diagram showing a pinched state of a clip according to an embodiment of the present invention.
7 shows a clipped-in connection state according to another embodiment of the present invention.
8 is a perspective view of an H-beam structure according to another embodiment of the present invention.
9 is a perspective view of an H-beam structure according to another embodiment of the present invention.
10 is a layout diagram of at least one clip according to an embodiment of the present invention.

Hereinafter, the operating principle of a preferred embodiment of the present invention will be described in detail with reference to the accompanying drawings. In addition, when it is determined that a detailed description of a related known function or configuration may obscure the subject matter of the present disclosure in describing an exemplary embodiment of the present disclosure, a detailed description thereof will be omitted. In addition, terms used in the following are terms defined in consideration of functions in the present invention, which may vary according to the intention or custom of users or operators. Therefore, the definition of the terms used should be interpreted based on the contents throughout the specification and functions corresponding thereto.

1 is a perspective view of an H-steel structure according to an embodiment of the present invention.

Referring to FIG. 1, the H-beam structure 1 may include an H-beam (or H-beam, H-pile) 10, a cover part 20, and at least one clip 30. .

H-beam 10 is used as a structural member or temporary material such as steel frames for construction, bridges, and earth protection works. The H-beam 10 has an H shape in cross section, and includes a web portion 11 and flange portions 12 and 13.

The web portion 11 is a horizontal bar in the center of the H-beam 10.

The flange portions 12 and 13 are vertical bars formed on both sides of the H-beam 10. Here, the flange portions 12 and 13 may be defined as a first flange portion 12 and a second flange portion 13. For example, the first flange portion 12 may be defined as being disposed at one end of the web portion 11 and the second flange portion 13 being disposed at the other end of the web portion 11.

The cover part 20 covers the H-beam 10 in close contact.

For example, referring to FIGS. 2 and 3, the cover part 20 may be of a detachable type. In this case, the cover part 20 may include a first cover part 20-1 and a second cover part 20-2.

Here, the first cover part 20-1 covers one side of the web part 11 and the first flange part 12, and the second cover part 20-2 is the other side of the web part 11 And the second flange portion 13 may be covered.

In addition, the first cover portion (20-1) and the second cover portion (20-2) is the shape of the H-beam including the web portion 11, the first flange portion 12 and the second flange portion 13 It may include a curved portion corresponding to.

Here, the cover part 20 may have a fold line to form a curved portion. For example, the first cover portion 20-1 and the second cover portion 20-2 have a bent portion 21 formed by joining the web portion 1 and the first flange portion 12, and the web portion ( 1) a bent portion 22 formed by joining the second flange portion 13, a plurality of corner portions 23 and 24 formed on the first flange portion 12, and a plurality of the second flange portion 13 Fold lines 211, 212, 213, 214, 215, 216, 221, 222, 223, 224, 225, 226 corresponding to the positions of the corner portions 25 and 26 may be formed. Here, the fold lines 211, 212, 213, 214, 215, 216, 221, 222, 223, 224, 225, 226 are manufactured with the first cover part 20-1 and the second cover part 20-2 At the time, it may be formed through heat treatment, pressure treatment, or cutting treatment. The first cover part 20-1 and the second cover part 20-2 are easy through fold lines 211, 212, 213, 214, 215, 216, 221, 222, 223, 224, 225, 226 Can be bent.

The cover part 20 may be a laminated form of a plurality of sheets. In this case, a part of the laminated sheet of the cover part 20 protrudes so that both ends of the cover part 20 can be neatly and strongly coupled.

For example, referring to FIGS. 2 and 3, the first cover part 20-1 and the second cover part 20-2 may include at least two or more sheets 20-1-1, 20-1-2, and 20-2-1, 20-2-2) can be formed by laminating. In this case, the cover portion 20 is at least one (20-1-2) of at least two or more sheets (20-1-1, 20-1-2) included in the first cover portion (20-1) At least one of at least two or more sheets (20-2-1, 20-2-2) included in the first protrusion (20-1-2-1) and the second cover part (20-2) of The second protrusions 20-2-1-1 of 20-2-1) may be disposed to overlap each other to cover the H-beam 10. Here, the first protrusion 20-1-2-1 and the second protrusion 20-2-1-1 may be adhered with an adhesive.

As another example, referring to FIG. 4, the cover part 20-3 may be of a single type. The cover part 20-3 may be formed by laminating at least two or more sheets 20-3-1 and 20-3-2. In this case, the cover part (20-3) can cover the H-beam (10) because the third protrusion (20-3-1-1) and the fourth protrusion (20-3-2-1) are disposed to overlap each other. have. Here, the third protrusion 20-3-1-1 and the fourth protrusion 20-3-2-1 may be adhered with an adhesive.

The first cover part 20-1, the second cover part 20-2, and the cover part 20-3 described above are polypropylene, pulp, plastic, PVC (Poly Vinyl Chloride), wood, synthetic It can be formed of various materials such as ash.

At least one clip (30) is in close contact with the cover portion (20) to the H-beam (10). Here, at least one clip 30 may be detachably coupled to the cover part.

Referring to FIG. 5, the clip 30 ′ includes a body portion 31, a first end 32 and a second end 33.

The body portion 31 may be formed in a "C" shape that is open in the first direction (B). In this case, the width (A) of the body portion 31 may correspond to the length of the web portion (11). For example, the width (A) of the body portion 31 may be the same as the length of the web portion 11, or the length of the web portion 11 minus twice the thickness of the cover portion 20. have. Here, when the cover part 20 has elasticity, the width A of the body part 31 may be determined in consideration of the extent to which the cover part 20 is stretched.

The first end 32 and the second end 33 (or both ends 32 and 33) may be formed in a “c” shape that is open in the second direction C, which is opposite to the first direction B. have. In this case, the width D of the first end 32 and the width D′ of the second end 33 may correspond to either the thickness of the first flange or the thickness of the second flange. For example, the width D of the first end 32 and the width D′ of the second end 33 are equal to the thickness of the first flange or the thickness of the second flange, or the thickness of the first flange or It may be equal to a value obtained by adding twice the thickness of the cover part 20 to the thickness of the second flange. Here, when the cover part 20 has elasticity, the width D of the first end 32 and the width D′ of the second end 33 are considered to be the extent to which the cover part 20 is stretched and contracted. Can be determined.

6 is a diagram showing a pinched state of a clip according to an embodiment of the present invention.

6, both ends 32 ′ and 33 ′ of the clip 30 ′ are of one end 12 ′-1 and the second flange 13 ′ of the first flange part 12 ′. It may be formed to be bent so as to be pinched to one end 13'-1. For example, both ends 32 ′ and 33 ′ of the clip 30 ″ are one end 12 ′-1 and a second plan of the first flange part 12 ′ on which the cover part 20 ′ is disposed. It may be formed to be bent so as to be pinched to one end 13'-1 of the branch 13'.

Both ends 32 ′ and 33 ′ of the clip 30 ′ are one end 12 ′-1 of the first flange part 12 ′ in which the cover part 20 ′ is disposed and the second flange part 13. '), the body part 31 ′ of the clip 30 ″ is coupled to the web part 11 ′ on which the cover part 20 ′ is disposed, and thus the cover part (20') may be firmly fixed to the H-beam 10'.

7 shows a clipped-in connection state according to another embodiment of the present invention.

Referring to Figure 7, the clip (30''') is the first flange portion (12'') of both ends (12''-1, 12''-2) and the second flange portion (13''). It may be formed of a band that is bent so as to be pinched to both ends 13''-1 and 13''-2. In this case, the clip 30''' is in close contact with the cover part 20'' around the entire circumference of the H-beam 10'', so that the cover part 20'' does not separate from the H-beam 10''. Can be avoided.

In various embodiments of the present invention described above, H-beams (10, 10', 10''), cover parts (20, 20', 20'', 20-1, 20-2, 20-3) and at least one It has been described in detail with respect to the H-beam structure (1) including the clips (30, 30', 30'', 30'''). However, the H-beam structure (1) includes H-beams (10, 10', 10``), cover parts (20, 20', 20'', 20-1, 20-2, 20-3), and at least one Of course, the H-beam structure 1 may be defined as including a configuration in which some of the clips (30, 30', 30``, 30''') are excluded, and the H-beam (10, 10', 10') '), cover parts (20, 20', 20``, 20-1, 20-2, 20-3) and at least one clip (30, 30', 30``, 30''') and other additional components It may further include.

Hereinafter, an embodiment in which rubber packing is further included in the H-beam structure 1 will be described in detail. Hereinafter, detailed descriptions of contents overlapping with various embodiments of the present invention will be omitted for convenience of description.

8 is a perspective view of an H-beam structure according to another embodiment of the present invention.

Referring to FIG. 8, the H-beam structure 1'may include an H-beam 10, a cover portion 20''', at least one clip 30'''', and a rubber packing 40. have.

The rubber packing 40 may be disposed on at least one of both ends of the H-beam 10. Specifically, the rubber packing 40 may be disposed at one of both ends of the H-beam 10, or may be disposed at both ends of the H-beam 10. The rubber packing 40 prevents cement paste, mortar, and other foreign substances from flowing into the H-beam structure 1'in the process of introducing the H-beam structure 1'into the ground according to the underground continuous method.

As an example, referring to FIG. 9, the cover part 20 ″″ is the remaining H-beam 10 ″′ area excluding the protrusions 10-1 and 10-2 of the H-beam 10 ″′. Can cover. In this case, the rubber packing 40 may be attached to the protrusions 10-1 and 10-2 of the H-beam 10 ′″. As an example, it goes without saying that the rubber packing 40 may be disposed to cover a portion of the protrusions 10-1 and 10-2 and the cover portion 20 ″″.

10 is a layout diagram of at least one clip according to an embodiment of the present invention.

Referring to FIG. 10, at least one clip 30 ″″′ is a first flange part 12 ″′ and a second flange part 13 ″′ of H-beam 10 ″″ Can be combined with pinching. Here, the number of the at least one clip 30 ″″″ and the distance between the at least one clip 30 ″″′ may be variously determined according to the length of the H-beam 10 ″″. . For example, when the length of the H-beam 10 ″′ is 25 m, 24 or 26 at least one clip 30 ″″′ may be disposed at 1 m intervals.

In various embodiments of the present invention described above, with the drawing of the H-beam (10, 10', 10'', 10''', 10''''), the cover parts 20, 20-1, 20-2 , 20-3, 20', 20``, 20''', 20''''), cover parts (20, 20-1, 20-2, 20-3, 20', 20'', 20''', 20'''') may be applied with a lubricant.

As a method of recovering H-beams inserted into the ground according to the existing underground continuous wall construction method, a method of applying a lubricant that may be harmful to the human body has been widely used. The lubricant application process is carried out at the civil works site, and scattering is generated during this application, causing pollution to air and soil. In addition, even if a lubricant was applied, recovery was not easy because the H-beam was bound to the cement.

The H-beam structure (1, 1') according to various embodiments of the present invention described above prevents damage to the H-beam used in the underground continuous wall construction method, and enables smooth recovery of the H-beam. Accordingly, the above-described H-beam structure (1, 1') can recycle the H-beam (10, 10', 10``, 10''', 10''''), so the material cost reduction effect is large, and the cover Since the parts (20, 20', 20``, 20''', 20'''') are simply assembled at the civil engineering site, labor costs can be greatly reduced. In addition, the H-beam structures 1 and 1'according to various embodiments of the present invention described above are harmless to the surrounding environment and the human body, and civil complaints caused by environmental pollution may be suppressed.

As described above, embodiments of the present invention have been shown and described, but those skilled in the art will make various changes in form and detail without departing from the spirit and scope of the present embodiment as defined by the appended claims and equivalents thereto. You will understand that you can.

H-beam structure: 1, 1'H-beam: 10, 10', 10``, 10''', 10''''
Cover: 20, 20-1, 20-2, 20-3, 20', 20``, 20''', 20''''
Clips: 30, 30', 30``, 30''', 30'''', 30'''''
Rubber packing: 40

Claims (12)

In the H-steel structure,
An H-beam including a web portion, a first flange portion disposed at one end of the web portion, and a second flange portion disposed at the other end of the web portion;
A cover part including a curved portion corresponding to the shape of the H-beam, and disposed to be in close contact with the outside of the H-beam to surround the outside of the H-beam; And
Including; at least one clip (clip) detachably coupled to the outside of the cover portion so that the cover portion in close contact with the H-beam,
The central portion of the at least one clip,
The cover portion is formed of a “c” shape opened in a first direction so as to be in close contact with one surface of the web portion, an inner surface of the first flange portion, and an inner surface of the second flange portion, and the one surface of the web portion Outside of a portion of the cover portion covering the first flange portion, an outer portion of the cover portion covering the one inner surface of the first flange portion, and an outer portion of the cover portion covering the inner side surface of the second flange portion Pinched together,
Both ends of the at least one clip,
The cover part is formed in a "c" shape opened in a second direction opposite to the first direction so that the cover part is in close contact with one end of the first flange part and one end of the second flange part, and the first flange part It is pinched to the outside of a portion of the cover portion covering the one end and a portion of the cover portion covering the one end of the second flange portion,
At least one of both ends of the H-beam, rubber packing (rubber packing) is arranged,
The rubber packing,
The H-beam structure is arranged to cover an outside of a portion of the cover portion covering at least one of the two ends of the H-beam and at least one of the two ends of the H-beam.
The method of claim 1,
The cover part,
A first cover portion covering the one side portion of the web portion and the first flange portion; And
Including, the H-beam structure; a second cover portion covering the other side of the web portion and the second flange portion.
The method of claim 2,
The first cover part and the second cover part,
H-beam structure formed by laminating at least two or more sheets.
The method of claim 3,
The cover part,
H-beams formed by overlapping at least one protrusion of at least one of at least two or more sheets included in the first cover part and at least one protrusion of at least two or more sheets included in the second cover part overlapping each other Structure.
delete The method of claim 1,
The width of the central portion of the at least one clip,
Corresponding to the length of the web portion, H-beam structure.
delete The method of claim 1,
The widths of both ends of the at least one clip,
The H-beam structure corresponding to one of the thickness of the one end of the first flange or the thickness of the one end of the second flange.
delete The method of claim 1,
The at least one clip,
H-beam structure formed of a band bent so as to be fitted to both ends of the first flange portion and both ends of the second flange portion.
delete The method of claim 1,
The cover portion is applied with a lubricant, H-beam structure.

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