KR101107205B1 - Safety check-up method of steel box slab section of bridge - Google Patents

Abstract

The present invention, the movable pulley 30 that can be driven; And,

A coupling member 60 coupled to the support rod 31 of the movable pulley 30 and composed of a vertical rod 40, a connecting rod 45, and a grid rod 50;

A sensor 58 connected to the wire rod 56 inserted into the support rod 31, the vertical rod 40, and the connecting rod 45 and adjacent to the grid rod 50;

A moving member (90) formed of a moving rod (70) which is installed through the center of the grid bar (50) and flows up and down by a spring (75) and the roller connecting rod (80) is coupled to the bottom; Side deflection diagnostic device 100 is located,

A control unit 35 is installed in the moving pulley 30, and the control unit 35 includes an on / off switch 36, a sensor switch 37, and a reading device 38.

There is provided a method for safety diagnosis of the top of a road bridge in which the deflection of the top 15 or the steel box 14 can be diagnosed by the difference between the data checked through the sensor and the original design data accumulated in the reading device. .

Road, bridge, roof, safety diagnosis

Description

SAFETY CHECK-UP METHOD OF STEEL BOX SLAB SECTION OF BRIDGE}

The present invention relates to a safety diagnosis method for the top plate of the road bridge, and more specifically, it is possible to automatically diagnose the deflection state of one side or both sides of the top plate using the safety diagnosis side deflection diagnostic device, thereby managing the bridge structure The present invention relates to a method for safety diagnosis of the top of a road bridge to improve efficiency.

The bridge is composed of substructures and superstructures, and subsidiary facilities such as bridge structures that connect the substructures and superstructures, and the bridges are often constructed to penetrate rivers.

1 is a view showing a cross-sectional state of a general bridge, the bridge (S) is a bridge 20 that crosses the river and is connected to the surrounding roads are constructed, but is connected to the upper portion of the cushion foundation (11) pier 12 is Constructed, the pier 12 coping is mounted on the upper surface of the attachment facility 13, such as a bridge device or bearing, and the steel box 14 for supporting the top plate 15 is mounted on the upper portion of the attachment facility (13).

The bridge 20 is an example of the occurrence of a large-scale human accident due to the fall of the upper plate 15 due to the settlement of the bridge 12 or the malfunction of the accessory facility 13, to prevent a safety accident in advance. For this purpose, it is necessary to inspect the attached facility 13 such as a seating device or a bearing, as well as to install a safety diagnosis facility for the upper structure.

As shown in FIG. 1, a bridge is an elevated structure made to cross over a river, lake, strait, bay, canal, basin, or other traffic road or structure. The chair is installed, and the upper part of the steel box for supporting the upper plate is fixed.

The bridge used for this purpose has a problem that the displacement occurs such as the deflection of the upper structure due to various reasons such as the continuous load in the upper portion, the ground change and the deformation of the bridge device is installed.

When the displacement occurs in the bridge, stability problems of the foundation and the steel box occur, and there are currently no devices to measure the stability of the bridge, such as deflection of the upper structure. .

As such, precise safety diagnosis work on the bridge will be required in terms of protecting the bridge facilities and preventing accidents in advance.

The present invention has been made in view of the above-described contents, and the present invention is a deflection state of the top plate or the steel box by comparing the data obtained by rotating the roller in close contact with the bottom surface of the top plate or the steel box with the original design data data. Due to the use of the side deflection diagnosis device to diagnose the problem, the efficiency of periodical or real-time diagnostic work performed monthly is improved, and the data is accumulated by the contact between the sensor and the moving rod, which improves the efficiency of data accumulation. The purpose of the present invention is to provide a method for safe diagnosis of the upper plate of a bridge capable of making a precise diagnosis of the bridge structure.

The present invention to achieve the above object, the present invention, the movable pulley capable of driving; and a connecting member coupled to the support rod of the movable pulley and composed of a vertical rod, a connecting rod and a lattice rod; and, a supporting rod, a vertical rod and a connecting rod A sensor connected to the wire inserted into the inner side and installed adjacent to the lattice rod; Configured side deflection diagnostic device is located,

A control unit is installed in the moving pulley, and the control unit includes an on / off switch, a sensor switch, and a reading device, and the upper plate or the board is formed by a difference between the data checked through the sensor and the original design data accumulated in the reading device. Provided is a method for diagnosing the top plate of a road bridge in which a deflection state of a steel box can be diagnosed.

In addition, the sensor is located inside the connecting rod at the position where the connecting rod and the grid bar is coupled, the contact portion of the sensor is in contact with the center of the moving section of the moving rod, the roller coupled to the roller connecting rod is in close contact with the bottom of the upper plate or steel box to rotate The safety diagnosis method of the upper plate of the road bridge, which is moved and data is accumulated, is provided.

In addition, support rods, vertical rods, connecting rods and grid bars are manufactured by using a circular pipe, the vertical rod and the grid rod is coupled to the circular cap at the top, the circular cap coupled to the grid rod is formed through holes in the center of the moving rod The top plate safety diagnosis method of the road bridge that the data is accumulated in the state that the roller of the roller connection rod penetrated and coupled to the bottom of the moving rod is held in close contact with the bottom surface of the top plate or the steel box by a spring;

The effects generated in the present invention described above will be described below.

According to the present invention, it is possible to automatically diagnose the deflection state of one side or both sides of the upper plate by using the side deflection diagnostic apparatus capable of traveling, thereby obtaining the effect of securing the safety of the bridge structure.

In addition, according to the present invention, it is possible to check and diagnose the state of the upper structure of the bridge structure through the side deflection diagnosis device, so that the road manager can additionally obtain the effect of improving the management efficiency of the bridge structure. do.

In addition, according to the present invention, data is accumulated by the contact between the sensor and the moving rod, so that the efficiency of data accumulation is improved, and the effect of making a precise diagnosis of the bridge structure can be additionally obtained.

EMBODIMENT OF THE INVENTION Hereinafter, the structure of this invention is demonstrated with reference to an accompanying drawing.

Figure 2 is a view showing a cross-sectional state of the bridge with the present invention the side deflection diagnostic apparatus, Figure 3 is a perspective view showing the side deflection diagnostic apparatus of the present invention, Figure 4 is an enlarged detail of the portion A of Figure 2, Figure 5 is a side view of the present invention Fig. 6 is a block diagram for explaining the deflection diagnostic device schematically, and shows a detailed operation state of the present invention deflection diagnostic device.

For reference, in the following description of the present invention, when it is determined that a detailed description of a related known function or configuration may unnecessarily obscure the subject matter of the present invention, the detailed description is omitted, and the following terms are considered in the present invention. The terms may be defined according to the intention or convention of the user or operator.

Therefore, the definition should be made based on the contents throughout the specification.

In the bridge 20, the side deflection diagnosis apparatus 100 is positioned on the upper plate 15, so that the deflection state of the upper plate 15 or the steel box 14 may be diagnosed. The side deflection diagnosis apparatus 100 is coupled to the movable pulley 30 and the support rod 31 of the movable pulley 30 and are vertical rods 40, the connecting rod 45, and the grid bar 50. The sensor member 58 connected to the connecting member 60, the support rod 31, the vertical rod 40, and the wire 56 inserted into the connecting rod 45, and the penetrating installation in the center of the grid bar 50 It is configured to include a moving member 90 consisting of a moving rod 70 coupled to the roller connecting rod 80 to the bottom and flow up and down by the spring (75).

The moving pulley 30 is in the form of a rectangular parallelepiped, the drive unit for rotating the battery and the wheel is installed on the upper surface, the support rod 31 is formed by projecting two by one side or both sides of the upper surface of the rectangular parallelepiped body, the wheel on the lower surface It is installed and driven by the drive unit.

The moving unit 30 is provided with a control unit 35, the control unit 35 is provided with an on / off switch 36, a sensor switch 37 and a reading device 38.

The movable pulley 30 has a support rod 31 is placed on one side or both sides, the support rod 31 is manufactured by using a circular pipe, the thread is cut on the upper inner circumferential surface is bolted to the vertical rod 40 at the top .

The vertical rod 40 is a circular pipe, a screw thread is cut on the lower outer peripheral surface is bolted to the support rod 31, a circular cap is coupled to the upper surface, the connecting rod 45 is coupled to the vertical rod 40 do.

The connecting rod 45 is manufactured by using a circular pipe, the circular ring is formed on both sides of the length and the bolt is fastened in a state in which the circular ring is in close contact with the outer circumferential surface of the vertical rod 40 and the grid bar 50.

An electric wire 56 is inserted into the support rod 31, the vertical rod 40, and the connecting rod 45, and a sensor 58 is connected to the wire, and the sensor 58 includes the connecting rod 45 and the grid rod. It is located inside the connecting table 45 at the position where the 50 is coupled.

The lattice bar 50 is manufactured by using a circular pipe in a '' '' shape based on FIG. 6, and the lattice bar 50 is bolted to a circular cap at the top, similar to a vertical bar, and to the lattice bar 50. The moving rod 70 is inserted through the inner circumferential surface of the long circular pipe, and the roller connecting rod 80 is bolted and coupled to the moving rod 70 horizontally.

The moving rod 70 is manufactured by using a steel bar, a circular protrusion 72 protrudes to the outside on the lower outer circumferential surface, and a moving section in close contact with the contact portion of the sensor 58 is shown.

The roller connecting rod 80 is manufactured by using a steel bar, the thread is cut on the side outer circumferential surface coupled with the moving rod 70 is bolted to the moving rod 70, the roller on the opposite side of the thread is not cut ( 85) are combined.

An operation state using the side deflection diagnosis apparatus 100 having the above-described configuration will be described below.

First, the state of measuring the side deflection degree of the upper plate only on one side of the bridge upper plate 15 will be described.

The movable pulley 30 includes a battery and a driving unit, and the movable pulley 30 is driven, and the vertical rod 40 constituting the connecting member 60 coupled to the support rod 31 of the movable pulley 30, the connecting table. 45 and the grid bar 50 is coupled, the vertical bar 40, the connecting rod 45 and the grid bar 50 can be manufactured on-site to match the top plate 15 of the bridge.

That is, the movable pulley 30 is formed with one support rod 31 on one side of the width of the upper surface, and the connecting member 60 is coupled to the support rod 31.

Thus, when the moving pulley 30 operates the on / off switch 36 and the sensor switch 37 of the control unit 35, the moving pulley 30 moves, and the height of the upper plate 15, that is, the deflection state. The data is sent to the control unit 35 via the sensor 58.

The sensor 58 is flowed when the protruding pin in front of the moving rod 70 is in close contact with the cut center of the moving rod 70 showing the moving section of the moving rod 70, vertically flowing The distance is measured.

The control unit 35 is provided with a reading device, the reading device has accumulated the first design data data for the bridge, the height difference, that is, the side of the upper plate 15 through the data checked as the moving pulley is moved. The deflection state will be read.

As described above, the lateral sag diagnosis device 100 may be periodically checked to accumulate data, and the accumulated data may be checked by time, such as work time, lunch time, and work time.

In addition, FIG. 3 illustrates a side deflection diagnostic apparatus 100 for measuring the degree of side deflection of the upper plate at both sides of the bridge upper plate 15, and the support bar 31 is placed on both sides of the upper surface of the moving pulley 30. Then, the two moving pulleys 30 are connected through the 'c'-shaped connecting rods to measure the degree of sag on both sides of the upper plate (15).

On the other hand, since the moving rod 70 penetrates inside the grid bar 50 and the spring 75 is inserted in the lower portion of the circular protrusion, the movable rod is movable up and down, and the lower portion of the movable rod 70 The roller 85 of the roller connecting rod 80 bolted to the upper surface 15 or the steel box 14 is maintained in close contact with the state, and thus the moving rod (30) in accordance with the movement of the moving pulley 30 When the up and down movement state of the 70 is measured by the sensor 58, the deflection state of the upper plate 15 or the steel box 14 can be known.

It will be described how the side deflection diagnostic apparatus 100 as described above is installed to measure the side deflection state of the top plate.

First, the moving pulley 30 is positioned on one or both sides of the bridge top plate 15.

When the moving pulley 30 is positioned on one side of the upper plate 15, the support rod 31 is placed only on one side of the upper surface of the body, and when the moving pulley 30 is positioned on both sides of the upper plate 15, Support rods 31 are placed on both sides of the upper surface width.

When the support rod 31 is placed on the upper surface of the body of the moving pulley 30, a thread may be cut on the lower outer circumferential surface of the support rod 31 to be bolted to the upper surface.

Next, the connection member 60 is coupled to the moving pulley 30.

The connecting member 60 is a vertical bar 40, the connecting rod 45 and the grid bar 50 are all manufactured using a circular pipe, the support bar 31, vertical rods placed on the upper surface of the moving pulley 30 The wires 56 are inserted into the 40 and the connection table 45 to be connected to the sensor 58.

The vertical rod 40 and the grid rod 50 are fixed by fastening bolts in a state where the circular ring of the connecting rod 45 is in close contact with the upper outer circumferential surface of the circular pipe.

In addition, the roller connecting rod 80 is bolted to the moving rod 70 in a state in which the moving rod 70 penetrates inside the grid bar 50.

Next, when the moving pulley 30 is installed on both sides of the upper plate 15, the 'c'-shaped connecting rod is connected.

In this case, it is preferable to install two sets of 'c' shaped connecting rods 55 so that two moving pulleys can be driven at the same speed, and when two moving pulleys 30 are used, the control unit 35 ) Control two moving pulleys at the same time.

In particular, the 'c'-shaped connecting rod 55 may be bolted or welded by installing a deformation preventing X-shaped reinforcing bar, although not shown in the drawing to prevent the twist.

Accordingly, two support rods 31 are vertically inserted into the upper body width of the moving pulley 30, and the 'c'-shaped connecting rods 55 are fixed to the two support rods 31 by bolting or welding.

In addition, when the side deflection state of the steel box is measured using the side deflection diagnostic apparatus 100, the steel box 14 is used in close contact with the lower surface of the upper plate 15, the grid bar 50, the moving rod 70, the length of the roller connecting rod 80 is different from when used in the upper plate (15).

As such, the length and thickness of the connection member 60 and the moving member 90 may be adjusted according to the site conditions.

1 is a view showing a cross-sectional state of a general bridge,

Figure 2 is a view showing a cross-sectional state of the bridge in which the present invention side deflection diagnostic apparatus is installed,

Figure 3 is a perspective view of the present invention sag diagnosis device,

4 is an enlarged detail view of a portion A of FIG. 2;

Figure 5 is a block diagram for schematically illustrating the present invention side deflection diagnostic apparatus,

6 is a view showing a detailed operating state of the present invention sag deflection diagnostic device.

<Description of Symbols for Main Parts of Drawings>

14; Steel box 15; Top 20; Bridges

30; Pulley 31; Support rod 40; Vertical rod

45; Connecting rod 50; Grid bars 55; 'ㄷ' shaped connecting rod

60; Connecting member 70; Moving rod 75; spring

80; Roller connecting rod 85; Roller 90; Moving member

100; Side deflection diagnosis device

Claims (4)

A movable pulley 30 capable of driving; and A coupling member 60 coupled to the support rod 31 of the movable pulley 30 and composed of a vertical rod 40, a connecting rod 45, and a grid rod 50; A sensor 58 connected to the wire rod 56 inserted into the support rod 31, the vertical rod 40, and the connecting rod 45 and adjacent to the grid rod 50; A moving member (90) formed of a moving rod (70) which is installed through the center of the grid bar (50) and flows up and down by a spring (75) and the roller connecting rod (80) is coupled to the bottom; Side deflection diagnostic device 100 is located, A control unit 35 is installed in the moving pulley 30, and the control unit 35 includes an on / off switch 36, a sensor switch 37, and a reading device 38. A method for safety diagnosis of the top of a road bridge in which the deflection of the top plate (15) or the steel box (14) can be diagnosed by the difference between the data checked through the sensor and the original design data data accumulated in the reading device. According to claim 1, The movable pulley 30 is installed on the upper surface of the body formed in a rectangular parallelepiped drive unit for rotating the battery and the wheel, the support rod 31 is formed on one side or both sides of the upper surface width of the rectangular parallelepiped body And, the wheel is installed on the lower surface is driven by the drive unit, the support pulley 31 is installed on one side or both sides in the movable pulley 30, the support rod 31 is a vertical rod (40) by cutting the thread on the upper inner peripheral surface ) Are bolted together, The vertical rod 40 has a thread is cut on the lower outer peripheral surface and the circular cap is coupled to the upper surface, the connecting rod 45 is formed on the outer circumferential surface of the vertical rod 40 and the grid bar 50 by forming a circular ring on both sides of the length The circular ring is in close contact, the bolt is fastened and fixed, The rod 50 is inserted through the inner circumferential surface of the long circular pipe to the grid rod 50, and the roller connecting rod 80 is bolted horizontally to the movable rod 70, The moving rod 70 has a circular section 72 protruding outward on the lower outer peripheral surface and a moving section in close contact with the contact portion of the sensor 58 is shown, the roller connecting rod 80 is threaded on the outer peripheral surface The side deflection diagnostic apparatus 100 having a structure in which the roller 85 is coupled to the opposite side of the cutting rod, which is bolted to the moving rod 70 and the thread is not cut, is installed to the upper plate 15 or the steel box 14. Safety diagnosis method of the upper plate of the road bridge, characterized in that the deflection state is diagnosed. According to claim 1, wherein the sensor 58 is located inside the connecting table 45 of the position where the connecting table 45 and the grid bar 50 is coupled, the contact portion of the sensor in the center of the moving section of the moving rod 70 The upper plate safety diagnosis method of the road bridge in contact with the roller 85 is coupled to the roller connecting rod (80) is in close contact with the bottom bottom of the upper plate (15) or the steel box (14) is rotated and data is accumulated. The support rod 31, the vertical rod 40, the connecting rod 45 and the grid rod 50 is made of a circular pipe, the vertical rod 40 and the grid rod 50, the top A circular cap is coupled to the circular cap, and a circular cap coupled to the grid bar 50 has a through hole formed at the center thereof so that the moving rod penetrates and the roller of the roller connecting rod coupled to the lower portion of the moving rod is plated by the spring 75. Or the top plate safety diagnosis method of the road bridge in which data is accumulated in a state in close contact with the bottom surface of the steel box.

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