KR20170097873A - Stress and tension devices for removable bridges with the connectin carbon fiber - Google Patents

Stress and tension devices for removable bridges with the connectin carbon fiber Download PDF

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Publication number
KR20170097873A
KR20170097873A KR1020160019506A KR20160019506A KR20170097873A KR 20170097873 A KR20170097873 A KR 20170097873A KR 1020160019506 A KR1020160019506 A KR 1020160019506A KR 20160019506 A KR20160019506 A KR 20160019506A KR 20170097873 A KR20170097873 A KR 20170097873A
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KR
South Korea
Prior art keywords
carbon plate
moving element
fixed
fixing
tension
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Application number
KR1020160019506A
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Korean (ko)
Other versions
KR101783468B1 (en
Inventor
정흥진
안혜련
유영준
Original Assignee
전주대학교 산학협력단
안혜련
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Application filed by 전주대학교 산학협력단, 안혜련 filed Critical 전주대학교 산학협력단
Priority to KR1020160019506A priority Critical patent/KR101783468B1/en
Publication of KR20170097873A publication Critical patent/KR20170097873A/en
Application granted granted Critical
Publication of KR101783468B1 publication Critical patent/KR101783468B1/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
    • E01D22/00—Methods or apparatus for repairing or strengthening existing bridges ; Methods or apparatus for dismantling bridges
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D15/00—Movable or portable bridges; Floating bridges
    • E01D15/12—Portable or sectional bridges
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D19/00—Structural or constructional details of bridges
    • E01D19/005—Piers, trestles, bearings, expansion joints or parapets specially adapted for portable or sectional bridges
    • 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
    • E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
    • E04G21/12—Mounting of reinforcing inserts; Prestressing
    • E04G21/121—Construction of stressing jacks

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Bridges Or Land Bridges (AREA)

Abstract

The present invention relates to a tension device for a temporary bridge capable of re-tensioning and detachment using a carbon plate, which is useful for demolishing a temporary bridge because the tension of a carbon plate is maintained and a cylinder for tensioning the carbon plate is detachably mounted.

Description

Technical Field [0001] The present invention relates to a tension device and a tension device for a bridge,

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a tension device for a bridge, more particularly, to a tension device for tensioning a carbon plate and a cylinder for tensioning a carbon plate are detachably mounted, And a tension device for a temporary bridge capable of attaching and detaching.

Many temporary bridges are to be constructed with the intention of temporarily bypassing vehicles or traffic or constructing direct construction sites in the construction of permanent bridges or other works.

Currently, the installation method of bridges is to connect the beams to each other to form a temporary vent, and then weld them together with the temporary vent to install a temporary bridge, and then install a floor plate or an iron plate thereon, A conventional method, a method of introducing a prestress using a high-strength steel bar, a method of continuously assembling a truss, and a method of assembling a steel material incorporating a prestressed steel.

Recently, a method using prestress carbon plate and a tension material is mainly used.

However, the above method is not economical because it can not tear and re-tension the carbon plate for subsequent maintenance, and can not remove or re-install the tension device. In addition, when the temporary plate is demolished, There was a problem to be done.

Korean Patent Publication No. 10-0588333

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned problems, and it is an object of the present invention to provide a carbon plate, which is useful for maintaining tension after a tension of a carbon plate and detachably attaching a cylinder for tilting the carbon plate, The present invention also provides a tension device for a temporary bridge capable of re-tensioning and detaching and attaching.

A tension device for a temporary bridge capable of re-tensioning and detachment using a carbon plate according to the present invention,

A plurality of H beams longitudinally installed on bridge columns of the temporary bridge;

A fixing table fixed to an upper portion of one side of the H beam;

A moving element fixed to an upper portion of the H beam on the other side of the fixing table and moving along the rail;

A reaction force band fixed to the H beam between the fixed member and the movable member;

A carbon plate having one end coupled to the fixing table and the other end coupled to the moving element;

A wedge for fixing the carbon plate to the fixing table and the moving element;

A cylinder mounted between the moving element and the reaction force band to tense the carbon plate while moving the moving element;

And a tension controller mounted inside the cylinder between the moving element and the reaction force band to maintain or release the tension of the carbon plate.

According to the tension device for a temporary bridge capable of re-tensioning and detachment using the carbon plate of the present invention, since the tension for maintaining the tension of the carbon plate and the cylinder for tilting the carbon plate are detachably mounted, the removal of the temporary bridge is advantageous and safety is secured It is.

1 is a plan view of a tension device to which the present invention is applied
Fig. 2 is a state diagram in which a fixing table, a moving element,
3 is a view showing a state in which the carbon plate is strained by the operation of the cylinder of the present invention
Fig. 4 is a view showing a state in which a carbon plate is mounted on the reaction force band
Fig. 5 is a side view showing a state in which the carbon plate of the present invention is strained
Fig. 6 is a state diagram showing a state in which the carbon plate of the present invention is maintained in a tense state
Fig. 7 is a view showing a state in which the cylinder is removed in the present invention

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

In the tension device for a temporary bridge capable of re-tensioning and detachment using a carbon plate according to the present invention, a plurality of H beams 110 installed in the longitudinal direction are formed on a bridge bridge of a hypothetical bridge, And a moving element 130 is fixed to the upper portion of the H beam 110 on the other side of the fixing table 120 to move along the rail 131 ' A reaction plate 140 is fixed to the H beam 110 between the moving elements 130 and a carbon plate 150 having one end connected to the fixing table 120 and the other end connected to the moving element 130 And a wedge 160 for fixing the carbon plate 150 to the fixing table 120 and the moving element 130. The moving element 130 is mounted between the moving element 130 and the reaction force table 140, A cylinder 170 for tensioning the carbon plate 150 while moving the moving element 130 and a cylinder 170 between the moving element 130 and the reaction force band 140, 170 is mounted on the inner side that is configured to maintain a tensile force of tansopan 150 or comprises a tension controller 180 to turn off, if this more specifically as follows.

The fixing table 120 is provided with a lower body 121 fixed to the H beam 110 and an upper body 122 mounted on the lower body 121 and coupled by bolts, And a fixing groove 123 formed to be inclined at an engagement portion of the upper body 121 and the upper body 122.

The width of the fixing groove 123 is equal to or larger than that of the carbon plate 150 and becomes narrower toward the moving element 130.

The moving element 130 includes a base 131 fixed to the H beam 110 and having a rail 131 'formed thereon. A rail groove 132' is coupled to the rail 131 ' A lower moving body 132 moving on the base 131 and an upper moving body 133 mounted on the lower moving body 132 and coupled by a bolt, A fixing groove 134 formed to be inclined at an engaging portion of the upper movable body 133 is provided.

The width of the fixing groove 134 is equal to or larger than that of the carbon plate 150, and is narrower toward the fixing table 120.

The reaction force band 140 is fixed to the H beam 110 and a long hole 141 is provided in the horizontal direction so that the carbon plate 150 is inserted at the center.

The wedge 160 is formed in two sets and is inclined toward one side and is engaged with the fixing grooves 123 and 134 of the fixing member 120 and the moving element 130 to closely contact the upper and lower portions of the carbon plate 150. [ do.

The tension control unit 180 includes a control rod 181 coupled to the moving element 130 and a fixing hole 181 'formed in the reaction force arm 140 and fixed to both ends of the control rod 181 A fixing member 182 is provided.

Hereinafter, the installation state of the present invention will be described in detail.

 2 to 3, the lower body 121 of the fixing table 120 is punched at an arbitrary position so that the fixing table 110 can be fixed to one end of the plurality of H beams 110, And the upper body 122 is mounted on the upper portion of the lower body 121 so that the lower body 121 and the upper body 122 are bolted together and fixed.

At this time, the inclined surfaces of the fixing grooves 123 formed in the lower body 121 and the upper body 122 are formed to be narrower toward the moving element 130 side.

The moving element 130 is fixed to an end of the H beam 110 on the other side of the fixing table 120.

The moving element 130 fixes the base 131 on which the rail 131 'is formed with the H beam 110 with bolts and nuts.

The lower moving body 132 is movable on the base 131 by connecting the rail groove 131 'to the rail 131' of the base 131, and the lower moving body 132 is moved on the lower moving body 132, The lower moving body 132 and the upper moving body 133 are integrated with each other.

At this time, the inclined surfaces of the fixing grooves 134 formed in the lower movable body 132 and the upper movable body 133 should be formed to become narrower toward the fixing table 120 side.

The reaction force band 140 is fixed to the H beam 110 between the fixing unit 120 and the moving unit 130 by bolts.

4, a long hole 141 is formed at a central portion of the reaction force band 140 so as to extend across the carbon plate 150. The width of the long hole 141 is greater than that of the carbon plate 150 do.

5 to 7, a carbon plate 150 is fixed between the fixing table 120 and the moving element 130 and one end of the carbon plate 150 is fixed to the fixing groove 123 of the fixing table 120 And the other end of the carbon plate 150 is positioned in the fixing groove 134 of the moving element 130.

The wedge 160 is inserted into the fixing groove 123 of the fixing table 120 in a state where the carbon plate 150 is positioned as described above, And the other wedge 160 is inserted into the upper portion of the carbon plate 150.

A cylinder 170 for tightening the carbon plate 150 is mounted between the moving element 130 and the reaction force bar 140. One end of the cylinder 170 is fixed to a mounting hole 171 And the mounting hole 171 of the moving element 130 is fixed to the rod side of the cylinder 170. [

A tension control unit 180 is fixed to the inside of the cylinder between the moving element and the reaction force band and a control rod 181 is coupled to the fixing member 181 'formed on the reaction element 140 and the moving element 130, And the fixing member 182 is coupled to both ends of the control rod 181, respectively.

Here, the control rod 181 must maintain a condition in which the moving element 130 can move when the cylinder 170 is operated.

When the tension device is installed as described above, the cylinder 170 is operated.

The rod of the cylinder pushes the moving element 130 in one direction and as the moving element 130 moves, the wedge 160 mounted on the fixing table 120 and the moving element 130, (123) (134) and the carbon plate (150) is in a tension state.

When the carbon plate 150 is strained as described above, the lower moving body 132 and the upper moving body 133 of the moving element 130 are moved by the fixing member 182 coupled to both ends of the control rod 181, Do not fix it.

When the carbon plate 150 is in a tense state, the moving element 130 and the cylinder 170 mounted on the reaction force arm 140 are removed, and when the cylinder 170 is detached, To complete the installation.

When the tension device is dismantled, the cylinder 170 is mounted between the moving element 130 and the reaction force bar 140, and then the cylinder 170 is operated to move the moving element 130 Is slightly pressed to tighten the carbon plate 150 so as not to be suddenly returned.

When the fixed state of the control rod 181 fixed to the moving element 130 and the reaction force bar 140 is released, the cylinder 170 is compressed and the tension of the carbon plate 150 is lost.

In this state, the moving element 130 and the cylinder 170 fixed to the reaction force arm 140 are removed, the carbon plate 150 is removed, and the fixing member 120, the moving element 130, and the reaction force band 140 Is removed from the H beam 110. [

Although the present invention has been described in connection with certain exemplary embodiments and drawings, it is to be understood that the phraseology and terminology used herein are for the purpose of description and should not be interpreted to limit the scope of the present invention. It must be interpreted in terms of meaning and concept.

Therefore, the embodiments described in the present specification and the configurations shown in the drawings are only examples of the present invention, and not all of the technical ideas of the present invention are described. Therefore, It is to be understood that equivalents and modifications are possible.

110: H beam
120:
121: Lower body
122: upper body
123: Fixing groove
130: moving element
131: Base
132: Lower movable body
133: upper moving body
134: Fixing groove
140: reaction force band
141: Slots
150: carbon plate
160: Wedge
170: Cylinder
180:
181: control rod
182: Fixing member

Claims (8)

A plurality of H beams longitudinally installed on bridge columns of the temporary bridge;
A fixing table fixed to an upper portion of one side of the H beam;
A moving element fixed to an upper portion of the H beam on the other side of the fixing table and moving along the rail;
A reaction force band fixed to the H beam between the fixed member and the movable member;
A carbon plate having one end coupled to the fixing table and the other end coupled to the moving element;
A wedge for fixing the carbon plate to the fixing table and the moving element;
A cylinder mounted between the moving element and the reaction force band to tense the carbon plate while moving the moving element;
And a tension controller mounted inside the cylinder between the moving element and the reaction force band for maintaining or releasing the tension of the carbon plate, wherein the tension controller controls the re-tension and detachment using the carbon plate.
[2] The apparatus according to claim 1,
A lower body fixed to the H beam;
An upper body that is seated on the lower body and coupled with the bolt;
And a fixing groove formed to be inclined at an engagement portion between the lower body and the upper body. The tension device for a tentative bridge capable of re-tensioning and detachment using a carbon plate.
The method of claim 2,
Wherein the width of the fixing groove is equal to or greater than that of the carbon plate and is narrower toward the moving element side.
The mobile terminal according to claim 1,
A base fixed to the H beam and having a rail formed thereon;
A lower movable body coupled to the rail by a rail groove and moving on the base;
An upper movable body that is seated on the lower movable body and is coupled with a bolt;
And a fixing groove formed to be inclined at an engaging portion of the lower movable body and the upper movable body. The tension device for a temporary bridge capable of re-tensioning and detachment using a carbon plate.
The method of claim 4,
Wherein the width of the fixing groove is the same as or larger than that of the carbon plate, and the width of the fixing groove is narrower toward the fixing table.
The method according to claim 1,
Wherein the reaction force band is fixed to the H beam and a long hole is provided in a horizontal direction so that a carbon plate is sandwiched at a center portion of the tension plate.
The method according to claim 1,
Wherein the wedge is formed in two sets and is inclined toward one side and is attached to the upper and lower portions of the carbon plate by being engaged with the fixing groove of the fixing member and the moving element.
The apparatus according to claim 1,
A control rod coupled to the moving element and a fixed hole formed on the reaction force bar;
And a fixing member that is fixed to both ends of the control rod. The tension device for a temporary bridge capable of re-tensioning and detachment using a carbon plate.
KR1020160019506A 2016-02-19 2016-02-19 Stress and tension devices for removable bridges with the connectin carbon fiber KR101783468B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020160019506A KR101783468B1 (en) 2016-02-19 2016-02-19 Stress and tension devices for removable bridges with the connectin carbon fiber

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Application Number Priority Date Filing Date Title
KR1020160019506A KR101783468B1 (en) 2016-02-19 2016-02-19 Stress and tension devices for removable bridges with the connectin carbon fiber

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KR20170097873A true KR20170097873A (en) 2017-08-29
KR101783468B1 KR101783468B1 (en) 2017-09-29

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102038823B1 (en) * 2019-01-09 2019-10-31 김남주 Detachable stress control device for h beam
CN115538339A (en) * 2022-11-10 2022-12-30 成都建工第三建筑工程有限公司 Bridge beam body reinforcing apparatus based on basalt fiber mesh

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3983599B2 (en) 2002-05-14 2007-09-26 ドーピー建設工業株式会社 Method for reinforcing concrete member and tension device for tension material used therefor
KR100489373B1 (en) * 2003-03-06 2005-05-16 한국건설기술연구원 Method for repairing or reinforcing concrete structure using non-adhesion type epoxy sheet and fixing apparatus therefor
JP4225826B2 (en) 2003-04-28 2009-02-18 ドーピー建設工業株式会社 Tensile device for tension member for reinforcing concrete member or steel member
KR101011375B1 (en) 2008-12-10 2011-01-28 한국건설기술연구원 Pretension apparatus for frp laminates and the method fpr repairing or reinforcing structure using the same

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102038823B1 (en) * 2019-01-09 2019-10-31 김남주 Detachable stress control device for h beam
CN115538339A (en) * 2022-11-10 2022-12-30 成都建工第三建筑工程有限公司 Bridge beam body reinforcing apparatus based on basalt fiber mesh
CN115538339B (en) * 2022-11-10 2023-09-05 成都建工第三建筑工程有限公司 Bridge beam body reinforcing device based on basalt fiber grids

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