KR101451066B1 - A prefabricated truss Girder and method of the same - Google Patents

A prefabricated truss Girder and method of the same Download PDF

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Publication number
KR101451066B1
KR101451066B1 KR1020140028961A KR20140028961A KR101451066B1 KR 101451066 B1 KR101451066 B1 KR 101451066B1 KR 1020140028961 A KR1020140028961 A KR 1020140028961A KR 20140028961 A KR20140028961 A KR 20140028961A KR 101451066 B1 KR101451066 B1 KR 101451066B1
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KR
South Korea
Prior art keywords
unit block
block bodies
truss girder
deck plate
block body
Prior art date
Application number
KR1020140028961A
Other languages
Korean (ko)
Inventor
엄순섭
Original Assignee
한우물중공업 주식회사
엄순섭
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Application filed by 한우물중공업 주식회사, 엄순섭 filed Critical 한우물중공업 주식회사
Priority to KR1020140028961A priority Critical patent/KR101451066B1/en
Application granted granted Critical
Publication of KR101451066B1 publication Critical patent/KR101451066B1/en

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    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D2/00—Bridges characterised by the cross-section of their bearing spanning structure
    • 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
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G11/00—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs

Abstract

The present invention relates to an assembly-type truss girder and a construction method for same. According to the present invention, the truss girder that is disposed over a long span on both longitudinal-direction sides of a deck plate is configured into a plurality of divided unit block bodies so that on-site transport, assembly, and installation can be simple and convenient based on the assembly connection. The present invention is provided with the unit block bodies that are obtained by dividing the truss girder including a vertical material, a swash, and upper and lower materials in a longitudinal direction, connection end portions formed at both ends of the upper and lower materials of the unit block bodies are connected to each other so that the unit block bodies are disposed in the longitudinal direction, the unit block bodies are arranged to face each other at a gap at which the deck plate can be laid and connected to be supported with a floor beam, and the deck plate is disposed in an upper portion of the floor beam which is positioned between the unit block bodies.

Description

{Prefabricated truss Girder and method of the same}

The present invention relates to a constructional truss girder and a construction method thereof, and more particularly to a truss girder constructed by dividing a truss girder installed on both sides in the longitudinal direction of a deck plate into a plurality of unit blocks, The present invention relates to a prefabricated truss girder which can be assembled and installed easily and firmly in the field while being easily transported, and a construction method thereof.

In general, the truss structure is a frame structure in which connecting points are connected by pins so that members do not bend, and arch type, suspension type, and beam type are generally used. Such truss structure is a light / heavy / It is widely used as a civil engineering member, truss bridge is a typical truss bridge, and it is applied to other theaters, exhibition halls, advertising towers and sculptures.

The steel box girder is manufactured in the form of a box with steel material. Such a steel box type bridge girder corresponds to a method in which a steel plate is combined with a box type by a means such as welding, and a steel box girder is bent, twisted In order to prevent the deformation of the steel box, the steel box truss girder is constructed by connecting the steel box and the bottom steel pipe to each other.

In the case of a steel box girder having a flange welded to both sides of a bottom plate and welded to both sides of the bottom plate and attached to an upper end of the side plate, And a cable bracing which is connected to both side portions of the bottom plate and the upper ends of the respective side plates while being crossed from both side portions of the bottom plate connected to the bottom plate to the top end side of the respective side plates, And various types of steel box girders which are detachably attached to the upper end portions of the respective side plates.

Particularly, in the case of a steel box truss girder, since the load acting on the upper part of the steel box is varied according to the longitudinal direction of the girder, higher rigidity is required to receive all loads between the steel sheets as axial force.

However, in the case of the conventional truss girder including the above-mentioned prior art, since the truss girder is installed mainly at the lower part of the deck plate, it is necessary not only to install a separate railroad girder but also to a large structure When a finished product is manufactured at a factory, it has many problems in transporting or installing the product through the roads of the city center.

SUMMARY OF THE INVENTION The present invention has been conceived in order to solve the above problems, and it is an object of the present invention to provide a truss girder comprising a vertical member, a workpiece, The unit block bodies are connected to each other to connect the connecting end portions and the unit block bodies are disposed opposite to each other so as to be placed on both sides of the deck plate and are connected to the cross beams and a deck plate is installed on the upper portion of the cross beams located between the unit block bodies The truss girder is made of the same material as that of the truss girder.

The present invention relates to a truss girder comprising a vertical member, a work piece, a top and a bottom, and a plurality of unit block bodies divided in the longitudinal direction, wherein connection ends formed at both ends of the unit block body are interconnected, The unit block bodies are connected to each other so that they can be mutually supported by the beams and are disposed opposite to each other at intervals at which the deck plates can be placed, and a deck plate is installed on the upper portion of the crossbeam located between the unit block bodies The truss girder of the present invention is characterized in that the truss girder is made up of:

Wherein the unit block body comprises: A vertical member arranged at regular intervals, a pair of upper and lower members attached to both sides of the upper and lower sides of the vertical member in parallel, a work piece connecting the vertical member and upper and lower ends, And connecting ends formed at opposite ends thereof so as to be fixedly connected to each other by the first fastening member.

And vertically connecting the unit block bodies by attaching vertically connecting members vertically formed with coupling holes at predetermined intervals on the inner side of the parallel connection units of the upper and lower sides.

And the unit block body is disposed on at least two rows of both sides of the deck plate.

Comprising: a plurality of unit block bodies divided longitudinally of a truss girder made up of a vertical member, a workpiece, an upper and a lower member; Connecting the unit block bodies so that at least two or more rows of unit block bodies are disposed opposite to each other at intervals at which the deck plates can be placed and can be mutually supported by the cross beams; Connecting unit ends formed at both ends of the unit block body up and down to each other to establish a unit block body in the longitudinal direction; And installing a deck plate on top of the beams positioned between the unit block bodies.

The assembled truss girder according to the present invention can be constructed as a plurality of unit block bodies and can be easily transported to the site and can be assembled easily and firmly even when installing the truss girder in the field. So that it is very economical and can increase work productivity.

1 is a perspective view showing a state in which a unit block body is assembled and connected in an assembled truss girder according to the present invention.
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a truss girder, and more particularly,
3 is a perspective view showing a configuration of a unit block body in the assembled truss girder according to the present invention.
4 is a plan view showing a configuration of a unit block body in the assembled truss girder according to the present invention.
5 is a front view showing the construction of a unit block body in the assembled truss girder according to the present invention.
6 is a partially enlarged perspective view showing a state in which the unit block bodies are arranged in three rows in the assembled truss girder according to the present invention and connected by a beam.
FIG. 7 is a perspective view showing a fastening state of connection ends provided at both ends of the unit block body in the assembled truss girder according to the present invention. FIG.
8 is a front view showing a state in which unit block bodies are connected in the longitudinal direction in the assembled truss girder according to the present invention.
Fig. 9 is a side view showing a state in which a beam block is connected to a unit block body and a deck plate is installed in the assembled truss girder according to the present invention. Fig.
10 is a perspective view showing a construction in which a vertical connecting member is fastened to upper and lower parts of a unit block body in the assembled truss girder according to the present invention.
11 is a perspective view showing a state in which upper and lower unit block bodies are vertically alternately connected with each other in a vertical direction in the assembled truss girder according to the present invention.
12 is a plan view showing a state in which upper and lower unit block bodies of the assembled truss girder according to the present invention are connected up and down alternately.
13 is an exemplary view showing a state in which a truss girder is installed at a support angle using a unit block body in the assembled truss girder according to the present invention.
FIG. 14 is a front view showing still another structure of a unit block body in the assembled truss girder according to the present invention. FIG.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. In the following description of the present invention, detailed description of known functions and configurations incorporated herein will be omitted when it may make the subject matter of the present invention rather unclear.

The present invention provides a unit block body (10) comprising a vertical member (11), a work piece (12), and upper and lower members (13) and (14) And the connecting end portions 15 and 15 'formed at both ends of the upper and lower portions 13 and 14 of the unit block body 10 are connected to each other so that the unit block body 10 is installed in the longitudinal direction, The deck plates 40 are disposed opposite to each other at an interval at which the deck plates 40 can be placed and connected to each other so that they can be mutually supported by the beams 20. The upper deck plate 20, (40) is provided.

The unit block body (10) comprises: A pair of upper and lower ends 13 and 14 disposed on both sides of upper and lower sides of the vertical member 11 in parallel and arranged in parallel with each other, A fastening hole 15a which is mutually opposed is formed at both side ends of the upper and lower ends 13 and 14 so that the first fastening member 16 And a connecting end 15 (15 ') is formed so as to be able to be fixedly connected with the connecting end 15'.

It is preferable that at least two rows of the unit block bodies 10 are disposed on both sides of the deck plate 40 so as to have a shape stability. In FIG. 1, the unit block bodies 10 are arranged on both sides of the deck plate 40 The truss girder is arranged in three rows.

The vertical member 11 is provided in an I-shape so that upper and lower flanges 13 and 14 can be integrally attached and connected to both flange portions 11a, To be attached and connected.

And the U-bolts 21 and the fastening pieces 22 are used in the inside of the parallel connection parts so that the cross beams 20 are stably supported on the parallel parts of the phase current 13 or the bottom side 14 So that the beam 20 can be fastened.

In the case of the work piece 12, the upper and lower parts 13 and 14 and the vertical piece 11 can be connected to each other and supported. The arrangement of the work pieces 12 can be variously shaped as shown in FIG. 7 or 14 The present invention is not limited thereto.

The unit block body 10 is vertically stacked vertically by attaching a vertical connecting member 18 having an engaging hole 18a vertically formed at a predetermined interval inside the parallel connecting portions of the upper and lower portions 13 and 14, 11 and 13, the upper and lower unit block bodies 10 are arranged alternately while vertically stacking the unit block bodies 10 vertically, So that the upper and lower ends of the unit block body 10 can be fastened with the second fastening member 19 such as a fastening bolt to the fastening hole 18a of the vertical connecting member 18 while the upper and lower ends of the unit block body 10 are in contact with each other do.

The method of constructing the assembled truss girder of the present invention having the above-described construction is as follows.

The present invention relates to a method of manufacturing a unit block body 10 and transporting the unit block body 10 to a construction site so that the unit block body 10 is connected and assembled at a construction site and the truss girder It can be directly installed and installed.

A plurality of unit block bodies 10 obtained by longitudinally dividing a truss girder made up of a vertical member 11, a workpiece 12 and upper and lower members 13 and 14; Connecting at least two rows of unit block bodies (10) facing each other so that the unit block bodies (10) can be mutually supported by the cross beams (20) so that the unit block bodies (10) face each other at intervals at which the deck plates (40) can be placed; Connecting the unit block bodies 10 in the longitudinal direction by interconnecting the connecting end portions 15 and 15 'formed at both ends of the unit block body 10 at the upper and lower ends 13 and 14; And installing a deck plate (40) on an upper portion of the beam (20) located between the unit block bodies (10).

That is, according to the present invention, as shown in FIG. 6, a plurality of unit block bodies 10 obtained by longitudinally dividing a truss girder made up of a vertical member 11, a workpiece 12, The unit block body 10 having three rows facing each other is disposed at an interval at which the deck plate 40 can be placed on the body 10 and then the crossbeam 20 is supported on the parallel parallel portion of the bottom plate 14 The unit block bodies 10 on both sides are connected to each other by means of the cross beam 20 by means of fastening the cross beam 20 by using the U bolts 21 and the fastening pieces 22 do.

The connecting end portions 15 and 15 'formed at both ends of the upper and lower ends 13 and 14 of the unit block body 10 are connected to each other so as to correspond to each other and then the first fastening member 16 The unit block body 10 is connected in the longitudinal direction by means of fastening the connection end portions 15 and 15 '.

10, the deck plate 40 is installed on the upper portion of the beam 20 located between the unit block bodies 10, and then the deck plate 40 is provided with a concrete mortar Or ascon, etc., to finish the wrapping.

While the present invention has been described with reference to the exemplary embodiments, it is to be understood that the invention is not limited to the disclosed exemplary embodiments.

10: Unit block body 11: Vertical body
11a: flange portion 11b: web
12: Work item 13: Award current
14: bottom current 15,15 ': connection end
15a: fastening hole 16: first fastening member
18: vertical connecting member 18a: engaging hole
19: second fastening member 20: Rear beam 21: U-bolt 22: Fastening piece 30: Support angle 40: Deck plate

Claims (5)

A plurality of unit block bodies 10 in which a truss girder made up of a vertical member 11, a workpiece 12 and upper and lower members 13 and 14 is longitudinally divided
A pair of upper and lower plates 13 and 14 attached to both upper and lower sides of the vertical member 11 and arranged side by side are fastened to opposite ends of the upper and lower plates 13 and 14, A unit block body 10 including a connection end 15 and a connection end 15 'formed with holes 15a and fixedly connected to the first fastening member 16;
The unit block bodies 10 are installed in the longitudinal direction by interconnecting the connecting end portions 15 and 15 'formed at both ends of the upper and lower ends 13 and 14 of the unit block body 10,
The unit block bodies 10 are disposed opposite to each other at an interval at which the deck plates 40 can be placed. At least two or more columns are disposed on both sides of the deck plate 40 and the upper block 13 or the lower block 14, And a cross beam 20 fastened to the U-bolts 21 and the fastening pieces 22 inside the parallel connection parts so as to be mutually supported,
And a deck plate (40) installed on an upper portion of the beam (20) positioned between the unit block bodies (10).
delete The method according to claim 1,
The unit block body 10 is vertically stacked and connected by attaching a vertical connecting member 18 having a coupling hole 18a vertically formed at regular intervals inside the parallel connecting portions of the upper and lower currents 13 and 14, So as to be able to be fastened.
delete A truss girder made up of a pair of upper and lower pieces 13 and 14 which are attached to both the upper and lower sides of the vertical member 11 and the upper and lower sides of the vertical member 11, Comprising: providing a plurality of unit block bodies (10);
At least two or more rows of unit block bodies 10 are disposed facing each other at an interval at which the unit block bodies 10 can be placed on the deck plate 40, (20) is supported on a parallel portion, and then the U-bolt (21) and the fastening piece (22) are fastened to each other by a cross beam (20) inside the parallel connection portion;
Connecting the unit block bodies 10 in the longitudinal direction by interconnecting the connecting end portions 15 and 15 'formed at both ends of the unit block body 10 at the upper and lower ends 13 and 14;
And installing a deck plate (40) on an upper portion of the beam (20) positioned between the unit block bodies (10).
















KR1020140028961A 2014-03-12 2014-03-12 A prefabricated truss Girder and method of the same KR101451066B1 (en)

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Application Number Priority Date Filing Date Title
KR1020140028961A KR101451066B1 (en) 2014-03-12 2014-03-12 A prefabricated truss Girder and method of the same

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Application Number Priority Date Filing Date Title
KR1020140028961A KR101451066B1 (en) 2014-03-12 2014-03-12 A prefabricated truss Girder and method of the same

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Citations (2)

* 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
KR101250482B1 (en) * 2010-06-14 2013-04-03 (주)엠씨에스에스티기술사사무소 Underground slab construction method using wire rope and curing pannel flame

Patent Citations (2)

* 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
KR101250482B1 (en) * 2010-06-14 2013-04-03 (주)엠씨에스에스티기술사사무소 Underground slab construction method using wire rope and curing pannel flame

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