KR20170097413A - Precast Road Structure with Steel Girde - Google Patents

Precast Road Structure with Steel Girde Download PDF

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Publication number
KR20170097413A
KR20170097413A KR1020160019138A KR20160019138A KR20170097413A KR 20170097413 A KR20170097413 A KR 20170097413A KR 1020160019138 A KR1020160019138 A KR 1020160019138A KR 20160019138 A KR20160019138 A KR 20160019138A KR 20170097413 A KR20170097413 A KR 20170097413A
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KR
South Korea
Prior art keywords
girder
coping
slab
column
steel
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Application number
KR1020160019138A
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Korean (ko)
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KR101806009B1 (en
Inventor
박창진
권혁일
한지혜
Original Assignee
박창진
다드림미래기술 주식회사
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Priority to KR1020160019138A priority Critical patent/KR101806009B1/en
Publication of KR20170097413A publication Critical patent/KR20170097413A/en
Application granted granted Critical
Publication of KR101806009B1 publication Critical patent/KR101806009B1/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
    • E01D1/00—Bridges in general
    • 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
    • E01D19/02—Piers; Abutments ; Protecting same against drifting ice
    • 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
    • E01D19/12—Grating or flooring for bridges; Fastening railway sleepers or tracks to 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
    • E01D19/12—Grating or flooring for bridges; Fastening railway sleepers or tracks to bridges
    • E01D19/125—Grating or flooring for bridges
    • 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
    • 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
    • E01D2/04—Bridges characterised by the cross-section of their bearing spanning structure of the box-girder type
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D2101/00—Material constitution of bridges
    • E01D2101/20—Concrete, stone or stone-like material
    • E01D2101/24—Concrete
    • E01D2101/26—Concrete reinforced
    • E01D2101/28—Concrete reinforced prestressed
    • E01D2101/285—Composite prestressed concrete-metal

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

Abstract

The present invention relates to a precast road structure with a steel girder which improves strength. According to an embodiment of the present invention, the precast road structure with the steel girder is a road structure of a bridge form connected to a road, comprising: a pillar unit buried in the ground on a position where the road structure is installed to support a lower portion; a girder unit supported on an upper portion of the pillar unit, made of a steel material, and installed across a longitudinal direction to add a tensile force to a concrete while dispersing a load generated on an upper portion thereof; a coping unit supported on the upper portion of the pillar unit, and installed to be fixated on the pillar unit in a previously poured precast form in a bridge post shape of the bridge while enclosing the girder unit; a coping support unit installed between the pillar unit and the coping unit to insert and support the upper portion of the pillar unit while being fixated on the coping unit; and a slab unit arranged on an upper portion of the coping unit and installed to be fixated on the upper portion of the coping unit and the girder.

Description

Precast Road Structure with Steel Girder (Precast Road Structure with Steel Girde)

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a precast road structure in which a steel girder is installed, and more particularly to a precast concrete structure in which a steel girder is supported on a column in the form of a bridge connected to a road, The present invention relates to a precast road structure provided with a steel girder capable of shortening a construction period by performing construction by assembling while improving strength in the form of a composite bridge.

In general, road structures are connected to roads installed for moving people, bicycles, automobiles, etc., and are installed in the form of bridges when roads with obstacles, roads with a lot of traffic, and detour roads are needed.

Particularly, in order to install deck roads or bicycle roads in watercourses or valleys, road structures in the form of small bridges supporting decks and pavement surfaces should be formed.

Such conventional road structures have been installed in the form of bridges mainly using steel or wood. However, in the case of steel, corrosion is caused by contact between the outside air and snow and rain, which is expensive, and there is a problem in that it is difficult to maintain the steel due to periodic coating for corrosion prevention.

Further, in the case of wood, there is a problem that it is difficult to handle, the load to be supported is small, and the strength is suddenly deteriorated by being corrupted by the outside air.

Recently, a method of directly pouring a road structure onto a concrete site has been used.

When the road structure is constructed by pouring the concrete, the concrete is poured in a state where the form is installed and the concrete is cured for a long time, so that the construction period is long.

In addition, the road structure constructed with concrete has a weak tensile force due to the action of the bending moment due to the combined load of live load and dead load, which is generated from a bridge supporting both ends, There was a problem.

The present invention has been conceived in order to solve the above-mentioned problems, and it is an object of the present invention to provide a bridge structure in which a steel girder is supported on a column in the form of a bridge connected to a road, and a precast concrete- And to provide a precast road structure in which a steel girder is installed to improve the strength in the form of a composite bridge and to shorten the construction time by performing assembly by assembling.

The objects of the present invention are not limited to the above-mentioned objects, and other objects not mentioned can be clearly understood from the following description.

In order to achieve the above object, a precast road structure in which a steel girder is installed according to an embodiment of the present invention is a bridge structure in the form of a bridge connected to a road, in which a road structure is installed, A columnar portion; A girder portion supported on the upper portion of the column portion and extending in the longitudinal direction of the steel material so as to impart a tensile force to the concrete while dispersing a load generated from the upper portion; A coping portion supported on the pillar portion and installed to be fixed to the pillar portion in a precast shape preliminarily installed in a pier shape of the bridge while enclosing the girder portion; A coping pedestal provided between the pillar and the coping portion, the coping pawl being installed to support the upper portion of the pillar while being fixed to the coping portion; And a slab portion disposed on the upper portion of the coping portion, the slab portion being fixed to the girder and the upper portion of the coping portion.

The column portion may include a column file embedded in the ground where the road structure is installed; A filling concrete of a concrete material filled in the column pile; And an upper portion of the pillar file protruding upward from a radial position to a position where the girder portion is installed in an upward direction at an outer periphery of the pillar file and extending outward at a protruded position, And a girder support to support and support the girder.

The girder portion is supported on the upper portion of the column portion and is installed across the longitudinal direction in the form of a box of a steel material for providing a tensile force. The girder portion has a girder space therein. Each of the girder portions has a through- ; A plurality of girder protrusions protruding from a center of a lower portion of the steel girder box and fixed to the girders while maintaining a height at a plurality of positions apart from each other so as to be fixed to the girder; A height adjuster disposed on both sides of the upper portion of the steel girder box in the longitudinal direction thereof and adapted to adjust a height at which the slab portion is supported; The upper and lower sides of the girder box are fastened to each other through the fastening holes in the girder space so as to fasten the height adjuster to the steel girder box, ; And a pad rest which is positioned above the height adjuster and is installed to support the lower portion of the slab while the height is adjusted by the height adjuster.

The coping unit may include a coping body disposed at an upper portion of the column portion and having a coping space inserted into the girder portion so as to surround the girder portion, the coping body having a precast shape preliminarily installed in a pier shape supporting the slab portion; And a column supporting body protruding from a lower portion of the coping body and having a column supporting space inserted and supported by the column in a pre-casting form connected to the coping body.

In addition, the coping receiving portion may include a receiving body disposed between a lower portion of the coping portion and an upper portion of the pillar portion, the outer periphery of which is inserted into and fixed to the coping portion, and the pillar portion is inserted and supported inside; And a pillar stopper disposed at an upper portion of the support body and protruding from the inner surface of the support space in a central direction so as to be supported while being in contact with the upper surface of the pillar portion.

The slab portion is disposed on the upper portion of the coping portion and is fixed to the upper portion of the coping portion while the height of the girder portion is adjusted. A tension member installed inside the slab body to provide a compression force of a compressive prestressing method for improving the load resistance of the slab body; And a fixing unit fixed to the inside of the slab body and fixing the both ends of the tension body to the slab body so as to maintain a state in which the compression force is applied to the slab body.

And a coupling coupler disposed at a position where the slab bodies are connected to each other when the slab bodies are installed in a plurality of lengthwise directions and the plurality of slab bodies are fastened to each other in a screw- can do.

BRIEF DESCRIPTION OF THE DRAWINGS The above and other objects, features and advantages of the present invention will be more apparent from the following detailed description taken in conjunction with the accompanying drawings, in which: FIG.

The present invention may, however, be embodied in many different forms and should not be construed as being limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art. It is provided to fully inform the owner of the scope of the invention.

According to one of the above-mentioned objects of the present invention, a bridge-shaped road structure connecting roads is assembled in the form of a steel composite bridge by using a box-shaped steel girder and a coping part manufactured by a precast method It is possible to shorten the air and reduce the cost by performing the construction by assembling while reinforcing the weak tensile force of the concrete to improve the strength.

In addition, since the slab portion supported by the coping portion and the steel girder is fixedly installed so as to be adjustable in height, and a tension member for applying a compressive force is installed inside the slab portion in the form of an upper plate of the bridge, The resistance to bear the moment load is improved and the warpage is suppressed, so that the maintenance cost can be reduced and the service life can be prolonged.

And, in fixing the steel girder roll to the column embedded in the underground of the road structure, a bar type girder support body protruding outward from the upper part at a plurality of radial positions of the column and a girder fixing member protruding to the lower part of the steel girder It is easy to adjust the height by fixing the height in the adjusted state, and the fixing force can be improved by fixing the steel girder in a state of being supported at a plurality of positions.

1 is a front view showing a precast road structure having a steel girder according to an embodiment of the present invention.
2 is a side view showing a precast road structure having the steel girder of FIG.
FIG. 3 is a state view showing a state in which the height of the height adjusting body of the girder portion, which is a main component of the precast road structure provided with the steel girder of FIG. 1, is adjusted.
4 is a partially omitted plan view showing a pillar portion as a main component of a precast road structure provided with the steel girder of FIG.
5 is a plan view showing a slab portion as a main structure of a precast road structure provided with the steel girder of FIG.
FIG. 6 is an enlarged view of an engaging jumper of a slab portion as a main structure of a precast road structure provided with the steel girder of FIG. 1; FIG.
FIG. 7 is a view showing a state of generating a compressive force in a part of the slab body of the slab portion, which is a main component of the precast road structure provided with the steel girder of FIG. 1;

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 similarities. It should be understood, however, that the invention is not intended to be limited to the particular embodiments, but includes all modifications, equivalents, and alternatives falling within the spirit and scope of the invention.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings. In addition, numerals (e.g., first, second, etc.) used in the description of the present invention are merely an identifier for distinguishing one component from another.

Also, in this specification, when an element is referred to as being "connected" or "connected" with another element, the element may be directly connected or directly connected to the other element, It should be understood that, unless an opposite description is present, it may be connected or connected via another element in the middle.

The suffix "module" and " part "for the components used in the following description are given or mixed in consideration of ease of specification, and do not have their own meaning or role. Further, in order to clearly explain the present invention, parts not related to the description are omitted in the drawings, and the width, length, thickness, etc. of the components may be exaggerated for convenience. Like reference numerals refer to like elements throughout the specification.

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

FIG. 1 is a front view showing a precast road structure having a steel girder according to an embodiment of the present invention, FIG. 2 is a side view showing a precast road structure having a steel girder shown in FIG. 1, FIG. 4 is a view showing a state in which the height of the height adjusting body of the girder portion, which is a main component of the precast road structure provided with the steel girder of FIG. 1, Fig. 5 is a plan view showing a slab portion as a main structure of a precast road structure provided with the steel girder of Fig. 1, and Fig. 6 is a plan view showing a main structure of a precast road structure provided with the steel girder of Fig. FIG. 7 is an enlarged view of a coupling girder of a slab portion, and FIG. 7 is an enlarged view of a coupling girder of a slab portion, Slave unit is a structural diagram showing the state of some of the compressive force occurs in the body.

1 to 7, a precast road structure 100 having a steel girder according to an embodiment of the present invention is connected to a road so as to form a bridge shape in a watery area such as a beach, a river, As shown in Fig.

The precast road structure 100 having the steel girder installed therein includes a column 110, a girder 120, a coping portion 130, a coping support portion 140, and a slab portion 150 ). The column portion 110 includes a column pile 111 embedded in the ground, a filled concrete 112, and a girder support 113.

The pillar file 111 is embedded in the ground where the road structure 100 is installed. The pillar file 111 is installed at a position where the pillar file 111 is buried in the form of a pillar of a bridge at a position where the road structure 100 is installed and supports the load. The column file 111 is provided so as to be easily buried in the ground by pressurization in the form of an empty hollow.

The filled concrete 112 is made of a concrete material filled in the pillar file 111. The filled concrete 112 is filled in the empty column pillar 111 to reinforce the strength thereof. The filled pillar 111 is filled with the column pillar 111 in an empty state to reinforce the strength thereof.

The girder support 113 protrudes from the upper portion of the pillar file 111 and protrudes upward to a position where the girder portion 120 is installed in an upward direction at a plurality of radial positions on the outer periphery of the pillar file 111, And extends outward from the protruded position so as to support and support the girder portion 120. The girder support body 113 is projected in a plurality of radial positions so as to fix the lower portion while maintaining the height of the girder portion 120 so as to support and support the lower surface of the girder portion 120 while extending outward do.

The girder portion 120 includes a girder box 121 installed to resist the load of the bridge, a girder fixing member 124, a height adjusting member 125, a fastening member 126, and a pad support 127. The steel girder box 121 is supported on the upper portion of the girder support 113 and is installed across the girder in the form of a steel box for providing a tensile force and has a girder space 122 therein, And has a through hole 123 in the form of a through hole. The girder box 121 is installed to reinforce the tensile force of the iron material of the concrete bridge in the form of a box made of a steel material. An inner girder space 122 is formed, and a height adjuster 125 A fastening hole 123 into which a user's hand is inserted to fasten the fastening member 126 fastened while adjusting the height is formed. The fastening hole 123 can be used to check the fastening state of the fastening body 126 and can be used for fastening the fastening body 126 and the fastening body 126 and a tool for fastening the fastening body 126, And is formed in a space shape.

A plurality of girder fixing bodies 124 protrude from the lower center of the girder box 121 and are fixed to the girder supporting bodies 113 while keeping their heights at a plurality of positions apart from each other. A plurality of girder supports (124) are projected from a lower portion of the girder box (121) at a predetermined distance in the longitudinal direction at a predetermined distance from the center so that the girder supports And is fixed to be fixed.

The height adjusters 125 are disposed on both sides in the longitudinal direction of the upper portion of the steel girder box 121 and are installed to adjust the height at which the slab portion 150 is supported. The height of the pad support 127 supporting the lower portion of the slab portion 150 is adjusted on both sides of the longitudinal direction of the steel girder box 121.

The fastener body 126 is passed through upper portions of both sides of the steel girder box 121 to fasten the steel girder box 121 and the height adjuster 125 and is fastened through the fastening holes 123 in the girder space 122 The height adjuster 125 is installed so that the height of the height adjuster 125 is adjusted in a controlled manner. And can be fastened by adjusting the height of the height adjuster 125 to the steel girder box 121 through the fastening hole 123 so that the fastening state can be easily confirmed from the outside, It is possible to fasten the fastening member 126 through the hole 123 and to easily fasten it.

The pad support 127 is disposed on the upper portion of the height adjuster 125 and is installed to support the lower portion of the slab portion 150 while being adjusted in height by the height adjuster 125. The pad support 127 is installed to support the lower portion of the slab portion 150 and is installed on the upper portion of the height adjuster 125 whose height is adjusted by the tightening body 126 to adjust the height of the slab portion 150 So as to buffer shocks.

The coping unit 130 includes a coping body 131 installed to surround the steel girder box 121, and a column supporting body 133. The coping body 131 is disposed at an upper portion of the pillar file 111 and has a coping space 132 which is inserted to enclose the steel girder box 121. The coping body 131 has a piercing shape for supporting the slab portion 150 And is provided in a pre-cast pre-cast form. The coping body 131 is provided in the shape of a bridge supporting the lower part of the slab part 150 and is provided in a concrete precast form so that a steel girder box 121 for restricting the load is installed in the coping space 132 formed therein. The coping body 131 is fabricated in a factory rather than a construction site by precast concrete method in which a concrete structure is preliminarily cured in consideration of the shape of the bridge and the load supported by the slab portion 150, Is transferred to the construction site and the steel girder box 121 is assembled with the built-in steel girder box 121, so that the construction time can be shortened.

The column support body 133 protrudes from the lower portion of the coping body 131 and has a column support space 134 in which the column support member 111 is inserted and supported in a precast shape connected to the coping body 131 I have. The column support body 133 is formed with a column support space 134 therein to fix the column support 111 in a state that the column support 111 is inserted into the lower portion of the support body 133 while the sectional area of the support body 133 is reduced.

The coping receiving portion 140 includes a receiving body 141 provided at a position where the column holding body 133 of the column holding body 133 is inserted and a column holding body 143. The support body 141 is disposed between the lower portion of the column support body 133 and the upper portion of the column file 111. The outer periphery of the support body 141 is inserted into and fixed to the column support body 133, And has a receiving space 142 to be inserted and supported. The support body 141 is provided so that the outer periphery of the support body 141 is supported in contact with the column support space 134 in a state where the column file 111 is inserted into the support space 142. The support body 141 is installed between the pillar file 111 and the pillar support body 133 so that the pillar support body 133 is fixed to the pillar file 111 without any movement to improve the supporting force.

When the post support body 133 is manufactured in the state of finished product after curing of concrete using the precast method and is moved and installed, when the column support space 134 into which the pillar file 111 is inserted becomes large, The strength of the fixing portion is lowered, and the number of airs is increased, so that the construction period can be increased. When the column supporting space 134 is smaller than the column supporting member 133, the column supporting space 134 of the column supporting body 133 is crushed to secure a space, ) Is lowered, and cracks may occur.

Accordingly, since the support body 141 in the form of a space is provided between the column support space 134 of the column support body 133 and the column file 111, The pillar support body 133 having the pillar support space 134 can be manufactured and if the size of the pillar support body 133 cured and the pillar file 111 embedded in the ground do not match the support body 141, Only the body 141 needs to be replaced, so that the efficiency of construction can be improved.

The column stopping member 143 is disposed on the upper portion of the support body 141 and is provided to protrude from the inner surface of the support space 142 in a central direction and to be supported while being in contact with the upper surface of the column pillar 111. The pillar fastening body 143 is protruded so as to be supported while being hung on the upper surface of the pillar file 111 so that the pillar fastening body 143 is supported by the pillar support 111 in a state in which the support body 141 is supported by the pillar file 111 134, the supporting force can be improved.

The slab portion 150 includes a slab body 151, a tension member 152, a fixation port 153, and a coupling coupler 154, which are supported on a pad support 127 at an upper portion of the coping body 131.

The slab body 151 is disposed on the upper portion of the coping body 131. The height of the slab body 151 is adjusted by a height adjusting body 125 whose height is adjusted by being fastened to the steel girder box 121 by the fastening body 126, And is installed on the upper portion of the coping body 131 so as to be supported on the support 127. The slab body 151 is installed on both sides of the steel girder box 121 so that the height of the slab body 151 can be adjusted by the height adjusting body 125. [ And is fixed to the upper portion of the pad bearing 127 so as to resist the combined load in the steel girder box 121 and the coping body 131.

The tension member 152 is installed inside the slab body 151 and is provided to apply a compressive force of a compressive prestressing method to improve the load resistance of the slab body 151. The tension member 152 compresses the slab body 151 in order to disperse the tensile force applied to the slab body 151 in the form of a bridge top plate and the concentration of the stress caused by the moment generated according to the change in the compressive force The both ends are fixed in the laminating form and are kept in a tense state, so that the load resistance can be improved to prevent the slab body 151 from being warped.

The fixing port 153 is fixed to the inside of the slab body 151 and is installed to fix both ends of the tension member 152 to the slab body 151 so as to maintain a state in which the compression force is applied to the slab body 151.

The coupling coupler 154 is disposed at a position where the slab bodies 151 are connected to each other when a plurality of the slab bodies 151 are installed in the longitudinal direction so that the mutually facing surfaces are fastened in the form of a screw Respectively.

The foregoing description is merely illustrative of the technical idea of the present invention, and various changes and modifications may be made by those skilled in the art without departing from the essential characteristics of the present invention.

Therefore, the embodiments disclosed in the present invention are intended to illustrate rather than limit the scope of the present invention, and the scope of the technical idea of the present invention is not limited by these embodiments.

The scope of protection of the present invention should be construed according to the following claims, and all technical ideas within the scope of equivalents should be construed as falling within the scope of the present invention.

Description of the Related Art
100: Road structure 110:
111: column file 112: filled concrete
113: girder support 120: girder
121: steel girder box 122: girder space
123: fastening hole 124: girder fixing body
125: height adjuster 126: fastener
127: pad bearing 130:
131: coping body 132: coping space
133: pillar support body 134: pillar support space
140: a coping receiving portion 141: a receiving body
142: supporting space 143:
150: slab part 151: slab body
152: tension body 153: anchorage
154: Coupling coupler

Claims (7)

In a road structure in the form of a bridge connected to a road,
A column portion embedded in the ground to support the lower portion at a position where the road structure is installed;
A girder portion supported on the upper portion of the column portion and extending in the longitudinal direction of the steel material so as to impart a tensile force to the concrete while dispersing a load generated from the upper portion;
A coping portion supported on the pillar portion and installed to be fixed to the pillar portion in a precast shape preliminarily installed in a pier shape of the bridge while enclosing the girder portion;
A coping pedestal provided between the pillar and the coping portion, the coping pawl being installed to support the upper portion of the pillar while being fixed to the coping portion; And
And a slab portion disposed on the upper portion of the coping portion and fixed to the girder and the upper portion of the coping portion
Precast road structures with steel girders.
The method according to claim 1,
Wherein:
A column file embedded in the ground where the road structure is installed;
A filling concrete of a concrete material filled in the column pile; And
Projecting upwardly to a position at which the girder portion is installed in an upward direction at a plurality of radial positions on the outer periphery of the pillar file and extending outward at a protruded position to receive the girder portion And a girder support tacked to support
Precast road structures with steel girders.
The method according to claim 1,
The girder portion
A steel girder box which is supported on the upper part of the column and is installed across the longitudinal direction in the form of a steel material box providing a tensile force and has a girder space therein and has a through hole in the form of a through hole on both sides in the longitudinal direction;
A plurality of girder protrusions protruding from a center of a lower portion of the steel girder box and fixed to the girders while maintaining a height at a plurality of positions apart from each other so as to be fixed to the girder;
A height adjuster disposed on both sides of the upper portion of the steel girder box in the longitudinal direction thereof and adapted to adjust a height at which the slab portion is supported;
The upper and lower sides of the girder box are fastened to each other through the fastening holes in the girder space so as to fasten the height adjuster to the steel girder box, ; And
And a pad bearing disposed at an upper portion of the height adjusting member and adapted to support a lower portion of the slab portion while being adjusted in height by the height adjusting member
Precast road structures with steel girders.
The method according to claim 1,
Wherein:
A coping body disposed at an upper portion of the column portion and having a coping space inserted therein to enclose the girder portion, the coping body being pre-cast in a pier shape supporting the slab portion; And
And a column supporting body protruding from a lower portion of the coping body and having a column supporting space inserted and supported by the column in a pre-casting form connected to the coping body
Precast road structures with steel girders.
The method according to claim 1,
Wherein the coping-
A receiving body disposed between a lower portion of the coping portion and an upper portion of the column portion, the receiving body having an outer periphery inserted and fixed to the coping portion, and a pillar portion inserted and supported inside; And
And a column stopper disposed at an upper portion of the support body and protruding in a central direction from an inner surface of the support space to be supported while being in contact with an upper surface of the column portion,
Precast road structures with steel girders.
The method according to claim 1,
The slab portion includes:
A slab body disposed on the upper portion of the coping portion and fixed to the upper portion of the coping portion while the height of the girder portion is adjusted;
A tension member installed inside the slab body to provide a compression force of a compressive prestressing method for improving the load resistance of the slab body; And
And a fixation hole fixed to the inside of the slab body and fixing both ends of the stress body to the slab body so as to maintain a state in which the compression force is applied to the slab body
Precast road structures with steel girders.
The method according to claim 6,
And a coupling coupler disposed at a position where the slab bodies are connected to each other when the slab bodies are installed in a plurality of lengthwise directions and the coupling couplers are installed so that the facing surfaces of the slab bodies are fastened to each other in a screw form in order to fix the plurality of slab bodies to each other
Precast road structures with steel girders.
KR1020160019138A 2016-02-18 2016-02-18 Precast Road Structure with Steel Girde KR101806009B1 (en)

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Application Number Priority Date Filing Date Title
KR1020160019138A KR101806009B1 (en) 2016-02-18 2016-02-18 Precast Road Structure with Steel Girde

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020160019138A KR101806009B1 (en) 2016-02-18 2016-02-18 Precast Road Structure with Steel Girde

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KR20170097413A true KR20170097413A (en) 2017-08-28
KR101806009B1 KR101806009B1 (en) 2017-12-07

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KR102664955B1 (en) * 2023-06-22 2024-05-10 (주)렉스코 Steel composite precast piers in which concrete is synthesized on box-shaped steel coping and circular steel pipe columns, and their construction methods

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KR102673831B1 (en) * 2023-09-18 2024-06-10 (주)케이모듈 Construction Method of Bicycle Road Using PHC Pile and Cap Block

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Publication number Priority date Publication date Assignee Title
CN108330744A (en) * 2018-01-31 2018-07-27 周兆弟 A kind of track foundation construction method
KR102664955B1 (en) * 2023-06-22 2024-05-10 (주)렉스코 Steel composite precast piers in which concrete is synthesized on box-shaped steel coping and circular steel pipe columns, and their construction methods

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