KR101696798B1 - Cable ducts and its construction method - Google Patents

Cable ducts and its construction method Download PDF

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Publication number
KR101696798B1
KR101696798B1 KR1020160015637A KR20160015637A KR101696798B1 KR 101696798 B1 KR101696798 B1 KR 101696798B1 KR 1020160015637 A KR1020160015637 A KR 1020160015637A KR 20160015637 A KR20160015637 A KR 20160015637A KR 101696798 B1 KR101696798 B1 KR 101696798B1
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KR
South Korea
Prior art keywords
frame
truss structure
fixed
support table
bolted
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KR1020160015637A
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Korean (ko)
Inventor
홍학표
Original Assignee
주식회사 우진폼테크
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    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C3/00—Structural elongated elements designed for load-supporting
    • E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
    • E04C3/04—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D6/00—Truss-type bridges
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L7/00—Supporting of pipes or cables inside other pipes or sleeves, e.g. for enabling pipes or cables to be inserted or withdrawn from under roads or railways without interruption of traffic
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C3/00—Structural elongated elements designed for load-supporting
    • E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
    • E04C2003/026—Braces
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C3/00—Structural elongated elements designed for load-supporting
    • E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
    • E04C3/04—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal
    • E04C2003/0404—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects
    • E04C2003/0408—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects characterised by assembly or the cross-section
    • E04C2003/0413—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects characterised by assembly or the cross-section being built up from several parts
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C3/00—Structural elongated elements designed for load-supporting
    • E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
    • E04C3/04—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal
    • E04C2003/0486—Truss like structures composed of separate truss elements

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Rod-Shaped Construction Members (AREA)

Abstract

In the present invention, since the side braces and the upper and lower braces of the truss structure are balanced with external force by an axial force, they do not generate bending and shearing force, and can stably support various pipes installed therein, And which can easily engage and assemble the frame, the side brace, and the upper and lower braces of the hypothetical truss structure in a short time, and a method of manufacturing the same.
In order to accomplish the above object, a truss structure according to the present invention comprises: a frame having an L shape and having a plurality of sections of a predetermined length and assembled in a truss structure as a whole; A flange (16) bolted to both ends of the frame (14) and formed of a rectangular plate shaped body; A side brace 18 bolted to a side of the frame 14 and installed to resist a horizontal load applied to the frame 14; And a pair of upper and lower struts 20 connected to the upper and lower surfaces of the frame 14 and installed to resist a horizontal load applied to the frame 14. The frame 14 is fixed at predetermined positions and diameters A bolt hole 12 is formed in the frame 14 and a support table 22 is fixed to the inside of the frame 14. A tube 24 is fixed on the support table 22, The upper and lower footrests 20 are configured to be able to stably support the tube 24 installed therein as well as not to generate a bending / shearing force in parallel with the external force due to the axial force.
According to another aspect of the present invention, there is provided a method of manufacturing a hypothetical truss structure, the method including the steps of: forming a truss structure having a plurality of sections of a predetermined length, (14); A flange (16) bolted to both ends of the frame (14) and formed of a rectangular plate shaped body; A side brace 18 bolted to a side of the frame 14 and installed to resist a horizontal load applied to the frame 14; And a pair of upper and lower struts 20 connected to the upper and lower surfaces of the frame 14 and installed to resist a horizontal load applied to the frame 14. The frame 14 is fixed at predetermined positions and diameters A bolt hole 12 is formed in the frame 14 and a support table 22 is fixed to the inside of the frame 14. A tube 24 is fixed on the support table 22, The upper and lower braces 20 are not parallel to the external force due to the axial force, and are not only deflected and sheared, but also can stably support the tube 24 installed therein. , Forming a bolt hole (12) by perforating the L-shaped steel (10) at regular intervals and diameters; Forming a frame (14) by assembling a section (10) of the bolt hole (12) with a predetermined shape through bolts; Bolting the flange (16) to both ends of the frame (14); Bolting the side braces (18) to the sides of the frame (14); Bolting the upper and lower frames 20 to the upper and lower surfaces of the frame 14; Fixing the support table (22) to the inside of the frame (14); And a step of fixing and installing the tube 24 on the support table 22 in order to manufacture the hypothetical truss structure C.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a hollow duct structure,

The present invention relates to a hypothetical truss structure and a method of manufacturing the same.

Generally, a truss structure is constructed by using a plurality of truss members to construct structures such as a venue, an exhibition hall, a advertising tower, and a sculpture.

Such a truss structure is a structure in which a truss bar of a hook type is a single hook and is screwed to one nut portion fixed on a joining member as a bolt portion formed at one end of the truss bar. It is troublesome to fasten the truss bar of a long length on the joining member There was a problem that it was uncomfortable.

In addition, the nut portion on the coupling member is fixed through a fixing means such as welding, and a separate work process for providing a separate nut portion on the coupling member is accompanied by the deterioration of workability. In particular, Cracks are generated in the welded portion of the nut portion, so that the structure may be collapsed.

In addition, the truss structure as described above is provided with a truss bar having a hook-like shape made of a unit member, and it is not possible to install a structure such as a plate or a partition member.

In order to solve the problems of the truss structure as described above, a truss structure is proposed in Japanese Patent Application Laid-Open No. 2002-0077788.

BRIEF DESCRIPTION OF DRAWINGS FIG. 1 is a block diagram showing a conventional truss structure. FIG.

As shown in this drawing, a conventional truss structure 1 is integrally formed such that a plurality of support frames 12 each having a plate shape passing through the center portion thereof intersect each other, and a hollow boss portion 22 A coupling member 10 formed integrally with the coupling member 10; And a plurality of trusses 30, 50, and 70 fixed to the bosses 22 of the coupling member 10 through the fixing bolts 100 in a state of being mounted on the support frame 12.

In order to connect the trusses 3, 4 and 6 to each other, a conventional truss structure 1 having the above-described structure essentially requires a separate coupling means such as a coupling member 2 or a joint member 5 .

Therefore, the truss structure 1 according to the related art must connect another truss 3, 4, 6 after connecting the trusses 3, 4, 6 and the coupling means 2, 5, There is a problem in that the number of working hours increases and the time required for the work increases.

In addition, since the conventional truss structure 1 can be constructed only when separate coupling means 2 and 5 are provided, the manufacturing cost of the truss structure 1 is increased.

In order to solve the problems of the conventional truss structure, the truss structure disclosed in Japanese Patent Application Laid-Open No. 2002-0077788 has been proposed.

FIG. 2 is a perspective view showing a conventional truss structure, and FIG. 3 is a perspective view explaining a conventional truss structure.

As shown in these drawings, a conventional truss structure is a truss construction constructed by combining a plurality of trusses. Each of the trusses is composed of a front frame and a rear frame, which are provided in a rectangular shape using a square pipe, A side frame connected to the front frame and a rear frame, and ribs connected to at least one of a front surface, a rear surface, and both sides formed by the front surface, the rear surface, and the side surface, the rib being made of a cylindrical pipe, And the rear and side frames each have a plurality of fastening holes to couple the plurality of trusses to each other.

In the case of a conventional truss structure having the above-described construction, there is no great structural dynamics when a short span is applied. However, when the truss structure is applied to a long truss, the truss structure is deflected due to its own weight, In the case of installing various pipes or the like, such a deflection is accelerated and the function as a truss structure is lost.

Patent Document 2: JP-A-2002-0077788 (published on October 14, 2002) Public utility model 20-2011-0001689 (publication date: February 18, 2011)

SUMMARY OF THE INVENTION The present invention has been made in order to solve the above-mentioned problems, and it is an object of the present invention to provide a truss structure in which a side brace and an upper side brace are balanced with an external force by an axial force, The present invention provides a hypothetical truss structure and a method of manufacturing the same that can easily assemble and assemble a frame, a side brace, and a top and bottom braces of a hypothetical truss structure in a short time using a modularized shape steel. There is a purpose.

In order to accomplish the above object, a truss structure according to the present invention comprises: a frame having an L shape and having a plurality of sections of a predetermined length and assembled in a truss structure as a whole; A flange (16) bolted to both ends of the frame (14) and formed of a rectangular plate shaped body; A side brace 18 bolted to a side of the frame 14 and installed to resist a horizontal load applied to the frame 14; And a pair of upper and lower struts 20 connected to the upper and lower surfaces of the frame 14 and installed to resist a horizontal load applied to the frame 14. The frame 14 is fixed at predetermined positions and diameters A bolt hole 12 is formed in the frame 14 and a support table 22 is fixed to the inside of the frame 14. A tube 24 is fixed on the support table 22, The upper and lower footrests 20 are configured to be able to stably support the tube 24 installed therein as well as not to generate a bending / shearing force in parallel with the external force due to the axial force.

According to another aspect of the present invention, there is provided a method of manufacturing a hypothetical truss structure, the method including the steps of: forming a truss structure having a plurality of sections of a predetermined length, (14); A flange (16) bolted to both ends of the frame (14) and formed of a rectangular plate shaped body; A side brace 18 bolted to a side of the frame 14 and installed to resist a horizontal load applied to the frame 14; And a pair of upper and lower struts 20 connected to the upper and lower surfaces of the frame 14 and installed to resist a horizontal load applied to the frame 14. The frame 14 is fixed at predetermined positions and diameters A bolt hole 12 is formed in the frame 14 and a support table 22 is fixed to the inside of the frame 14. A tube 24 is fixed on the support table 22, The upper and lower braces 20 are not parallel to the external force due to the axial force, and are not only deflected and sheared, but also can stably support the tube 24 installed therein. , Forming a bolt hole (12) by perforating the L-shaped steel (10) at regular intervals and diameters; Forming a frame (14) by assembling a section (10) of the bolt hole (12) with a predetermined shape through bolts; Bolting the flange (16) to both ends of the frame (14); Bolting the side braces (18) to the sides of the frame (14); Bolting the upper and lower frames 20 to the upper and lower surfaces of the frame 14; Fixing the support table (22) to the inside of the frame (14); And a step of fixing and installing the tube 24 on the support table 22 in order to manufacture the hypothetical truss structure C.

As described above, the hypothetical truss structure according to the present invention and the manufacturing method thereof have the following effects.

First, according to the present invention, a frame, a side brace and an upper side brace are formed in a truss shape using a steel frame, a support base is installed inside the frame, and a tube is fixed to the support base, It is balanced with the external force by the axial force, so that the bending and the shearing force are not generated, and various pipes installed therein can be stably supported.

Second, according to the present invention, a frame is manufactured by using a section steel, and a side brace, an upper side brace, and a support brace are bolted to the frame to produce a frame, a side brace and an upper brace Can be easily combined and assembled in a short time.

1 is a perspective view showing a conventional truss structure,
FIG. 2 is a perspective view showing a conventional truss structure,
3 is a perspective view explaining a conventional truss-type truss structure,
4 is a perspective view illustrating a hypothetical truss structure according to the present invention,
5 is a front view showing a hypothetical truss structure according to the present invention,
6 is a side view of a hypothetical truss structure according to the present invention,
FIG. 7 is a plan view of a hypothetical truss structure according to the present invention, FIG.
8 is a process diagram showing a manufacturing process of a hypothetical truss structure according to the present invention.

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

FIG. 4 is a perspective view illustrating a structure of a hypothetical truss according to the present invention, FIG. 5 is a front view of a hypothetical truss structure according to the present invention, FIG. 6 is a side view of a hypothetical truss structure according to the present invention, Is a plan view showing a hypothetical truss structure according to the present invention.

As shown in these drawings, a hypothetical truss structure (C) according to the present invention includes a frame (14) assembled and formed by arranging a plurality of sections (10) having a predetermined length; A flange (16) connected to both ends of the frame (14); A side brace 18 connected to a side of the frame 14; And a pair of upper and lower frames 20 connected to the upper and lower surfaces of the frame 14.

A bolt hole (12) is formed at a predetermined position and a predetermined interval in the section steel (10).

And a support table 22 is fixed to the inside of the frame 14.

A tube (24) is fixedly mounted on the support (22).

That is, the hypothetical truss structure C according to the present invention is a structure in which the section steel 10, the frame 14, the flange 16, the side brace 18, and the upper and lower braces 20 are organically coupled.

Here, it is to be noted that the section steel 10 is the most basic member in the present invention, and it is to be noted that the L-shaped steel 10 is used as a base, but its sectional shape is c, and box, groove and channel steel are also usable.

It should be noted that the section steel 10 is not limited to any particular shape or material since it can be modified and applied without being limited to any cross-sectional shape and material.

The frame 14 may be formed by forming a bolt hole 12 in a plurality of sections 10 at regular intervals and diameters and arranging the section steel 10 in which the bolt hole 12 is formed vertically, To form the framework of the truss structure (C).

Here, the frame 14 most preferably has a truss structure as a whole,
Particularly, since the truss structure has a long span and a large amount of deflection, it is possible to form a camber in the middle portion in consideration of deflection due to a dead load in a predetermined warpage.

In addition, although the frame 14 is the simplest cross-sectional shape in terms of fabrication and installation, the frame 14 may be formed by deforming a cross-sectional shape into a circular shape or a triangular shape in consideration of aesthetics, It is possible to do that.

As described above, the application of the cross-sectional shape of the frame 14 is not limited to any particular shape because it can be applied through structural dynamics analysis.

The flange 16 is bolted to the frame 14 to maintain a constant shape of the frame 14 when the frame 14 is formed using the frame 10. [

Here, the shape of the flange 16 is a rectangular plate, but it can be embodied in various shapes such as a triangular frame and a pentagonal frame, and thus it is not limited to any specific shape.

The flange 16 is used as a connecting member when the unitary truss structure C is continuously bolted thereto and the flange 16 is used as a connecting member for facilitating the engagement with the side surface of the fixing stage 90 when the final truss structure C is installed. Connection member.

The side braces 18 and the upper and lower braces 20 are members made of a steel frame 10 to resist a horizontal load applied to the frame 14, A brace 18; And the upper and lower braces 20 are bolted.

The side braces 18 and the upper and lower braces 20 are applied to analyze the structure of the temporary truss structure C and the side braces 18 and the upper and lower braces 20 may be connected to the It is also noted that it can be installed in addition to structural weaknesses.

A support base 22 is fixed to the inside of the frame 14 and various tubes 24 such as a water pipe or a conduit are fixed to the support base 22.

It should be noted that the support member 22 may be fixed at the time of manufacturing the temporary truss structure C or may be installed after the temporary truss structure C is installed if necessary.

It is to be noted that the tube 24 may be manufactured in advance in the unitary truss structure C like the support 22, or may be installed in the temporary truss structure C later.

The hypothetical truss structure (C) according to the present invention having the above-described structure comprises a frame (14), a side brace (18), and an upper side brace (20) The side support frame 18 and the upper and lower support frames 20 are balanced with the external force by the axial force so that the side support frame 18 and the upper and lower support frames 20 are balanced with each other by the axial force. - It is possible not only to generate no shearing force, but also to stably support various tubes 24 installed therein.

Hereinafter, the fabrication of the hypothetical truss structure according to the present invention will be described.

8 is a process diagram showing a manufacturing process of a hypothetical truss structure according to the present invention.

As shown in this drawing, the method of manufacturing a hypothetical truss structure according to the present invention includes the steps of forming a bolt hole 12 by perforating a section steel 10 at a predetermined interval and a predetermined diameter; Forming a frame (14) by assembling a section steel (10) having the bolt hole (12) into a predetermined shape; Connecting flanges (16) to both ends of the frame (14); Connecting a side brace (18) to a side of the frame (14); And connecting the upper and lower struts 20 to the upper and lower surfaces of the frame 14.

A support base (22) is fixed to the inside of the frame (14).

A tube (24) is fixedly mounted on the support base (22).

That is, in the method of manufacturing a hypothetical truss structure according to the present invention, a plurality of sections 10 are used, a bolt hole 12 is formed in the section 10 at a predetermined interval and a predetermined diameter, The frame 14 is formed by inserting and assembling the frame 10 in a predetermined shape and bolted to the frame 14. The frame 14 has flanges 16 And the side braces 18 and the upper and lower braces 20 are bolted to the side surface and the upper and lower surfaces of the frame 14 to manufacture a built-in truss structure C.

The supporting trestle 22 is fixed to the inside of the frame 14 if necessary and various tubes 24 are fixed to the supporting trestle 22 to form the truss truss C, Can be integrally manufactured.

It should be noted that the support truss 22 and the pipe 24 may be bolted to the inside of the frame 14 separately from the site in a position where the weight of the hollow truss structure C is heavy.

It is to be noted that the coupling of the support 22 and the tube 24 can be selectively applied to the structure of the hypothetical truss C according to the site conditions.

The preferred embodiments described in the specification of the present invention are intended to be illustrative, not limiting, and the scope of the present invention is indicated by the appended claims, and all modifications that come within the meaning of the claims are included in the present invention. .

10: section steel 12: bolt hole
14: Frame 16: Flange
18: side brace 20: upper side brace
22: support 24: tube
70: Space 80: Stone
90: Fixing stage 92: Outer frame
94: guide plate 96: inner frame
98: flange 100: brace
102: guide pipe 104: side plate
106: Concrete C: Hypothetical truss structure
G: Ground

Claims (7)

A frame 14 having a L-shaped cross-section and having a plurality of sections 10 having a predetermined length, the cross-sections being formed into a truss structure; A flange (16) bolted to both ends of the frame (14) and formed of a rectangular plate shaped body; A side brace 18 bolted to a side of the frame 14 and installed to resist a horizontal load applied to the frame 14; And a pair of upper and lower struts 20 connected to the upper and lower surfaces of the frame 14 and installed to resist a horizontal load applied to the frame 14. The frame 14 is fixed at predetermined positions and diameters A bolt hole 12 is formed in the frame 14 and a support table 22 is fixed to the inside of the frame 14. A tube 24 is fixed on the support table 22, Wherein the upper and lower braces (20) are not parallel to the external force due to an axial force, so that they do not generate bending and shearing forces, and are capable of stably supporting the pipe (24) installed therein. delete delete delete A frame 14 having a L-shaped cross-section and having a plurality of sections 10 having a predetermined length, the cross-sections being formed into a truss structure; A flange (16) bolted to both ends of the frame (14) and formed of a rectangular plate shaped body; A side brace 18 bolted to a side of the frame 14 and installed to resist a horizontal load applied to the frame 14; And a pair of upper and lower struts 20 connected to the upper and lower surfaces of the frame 14 and installed to resist a horizontal load applied to the frame 14. The frame 14 is fixed at predetermined positions and diameters A bolt hole 12 is formed in the frame 14 and a support table 22 is fixed to the inside of the frame 14. A tube 24 is fixed on the support table 22,
The side braces 18 and the upper and lower braces 20 are constructed in such a manner that a bending and shearing force is not generated in parallel with an external force due to an axial force and a stuck truss structure C), < / RTI >
Forming a bolt hole (12) by drilling the L-shaped steel (10) at regular intervals and diameters;
Forming a frame (14) by assembling a section (10) of the bolt hole (12) with a predetermined shape through bolts;
Bolting the flange (16) to both ends of the frame (14);
Bolting the side braces (18) to the sides of the frame (14);
Bolting the upper and lower frames 20 to the upper and lower surfaces of the frame 14;
Fixing the support table (22) to the inside of the frame (14);
And a step of fixing and installing the tube (24) on the support base (22) are sequentially performed to manufacture the hypothetical truss structure (C).
delete delete
KR1020160015637A 2016-02-11 2016-02-11 Cable ducts and its construction method KR101696798B1 (en)

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200186312Y1 (en) * 2000-02-03 2000-06-15 이인배 Truss structure
KR20010012011A (en) * 1999-08-23 2001-02-15 박용구 Subsidiary materials for truss structure
JP2002106111A (en) * 2000-09-28 2002-04-10 Nippon Light Metal Co Ltd Truss structural body
KR20020077788A (en) 2001-11-22 2002-10-14 토인환경디자인 주식회사 Truss Construct
KR20110001689U (en) 2009-08-12 2011-02-18 주식회사 토인애드 Temporary truss construct
KR101570474B1 (en) * 2014-11-19 2015-11-19 (주)신승이앤씨 Structure of pipe bridge and Constructing method of pipe bridge

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20010012011A (en) * 1999-08-23 2001-02-15 박용구 Subsidiary materials for truss structure
KR200186312Y1 (en) * 2000-02-03 2000-06-15 이인배 Truss structure
JP2002106111A (en) * 2000-09-28 2002-04-10 Nippon Light Metal Co Ltd Truss structural body
KR20020077788A (en) 2001-11-22 2002-10-14 토인환경디자인 주식회사 Truss Construct
KR20110001689U (en) 2009-08-12 2011-02-18 주식회사 토인애드 Temporary truss construct
KR101570474B1 (en) * 2014-11-19 2015-11-19 (주)신승이앤씨 Structure of pipe bridge and Constructing method of pipe bridge

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