KR200466789Y1 - Falling rock depense wall with improved workability and flexural toughness - Google Patents

Abstract

The present invention relates to a rock fracture protection device in which H-beams are erected at a predetermined interval on the ground at a construction site where rock or soil is expected to flow down, and a grating shield is inserted between the H-beams and the H-beams. The grating protection plate is a steel grating panel including a plurality of iron frames formed in a lattice shape, a rhombus shape, an oblique shape or an I shape, and a plurality of regularly arranged spaced apart from each other, and the steel grating by rock or earth and sand. It includes a reinforcing plate attached to the rear of the steel grating panel to prevent damage to the panel. According to the present invention, construction, economy, safety and flexural toughness by using a steel grating panel comprising a plurality of iron frames formed in a grid, rhombus, oblique or I-shape and a plurality of regularly arranged openings spaced apart from each other This excellent, iron plate, rubber pad or fiber sheet plate attached to the back of the steel grating panel to prevent damage to the steel grating panel and various designs can be solved to reduce the user's anxiety, improve the safety and aesthetics of the traffic. .

Description

Rocking depense wall with improved workability and flexural toughness

The present invention relates to a rock crushing protection facility, and more particularly to a steel grating panel comprising a plurality of iron frames formed in a grid, rhombus, oblique or I shape and a plurality of regularly spaced spaced apart from each other By using it, it is excellent in workability, economical efficiency, safety and flexural toughness. By attaching iron plate, rubber pad or fiber sheet plate on the back of steel grating panel, it prevents damage of steel grating panel and various designs can be solved. It relates to a rock fracture protection device that can improve the safety and aesthetics of the vehicle.

Safety devices should be installed to prevent the collapse of rocks or soil at sites such as tunnels, trenches, and rock fractures where rocks or soil are expected to flow down.

The rock crushing protection device is a temporary structure installed at the incision site to protect the traffic vehicle from falling rocks or earth and sand due to rock cutting work.

This rock crushing protection device is installed for the purpose of preventing the damage of vehicles passing through the road by preventing rock and soil from flowing down during rock crushing or removal of soil. .

Conventional rock crushing protection device is a common structure to form a wall (panel) by stacking wood or wood panels between the H-Beam (H-Beam), which is pre-constructed, but these are economical because the reuse rate of materials after construction is low In addition to the disadvantages of this fall, the width of the wood is relatively small, requires a lot of air work, bad workability, and in the case of wood quality is not uniform, it requires not only the installation of various reinforcement materials, but also the safety problems of new materials Necessity arose.

In order to meet such a demand, a protective plate for constructing a wall of a rock crushing protection device having a relatively large area, which is made of metal and has a panel shape as shown in FIGS. 1 and 2, has been developed. Many of them have been improved. Construction convenience and economics by reusability is improved, and safety is ensured by uniform quality.

The conventional protection plate is composed of two panels (refer to '10' and '20' in FIGS. 1 and 2) formed to bend to reinforce compressive and tensile forces, and two panels ('10 in FIGS. 1 and 2). 'And' 20 ') to be fitted to each other to adjust the overall length. In addition, a plurality of holes (refer to '30' in FIGS. 1 and 2) are formed in the protection plate to connect and fix each panel vertically or horizontally. The structure may be connected vertically or horizontally through the plurality of holes. In the construction site, each panel was lined up in the width direction and fastened together by bolts to be integrated, and then it was temporarily inserted between H-beams previously constructed using a suspension equipment such as a crane.

As the above-mentioned protection board for earth retaining boards requires a lot of bolt fastening labor to connect each panel, it still requires a lot of work for construction and dismantling work, and H-beams that are connected to a plurality of panels at once. As a result of assembling between the relatively large heavy equipment must be mobilized, there is a problem such as difficult to transport and install and inconvenience of using the rear fixture.

Republic of Korea Patent Application Publication No. 10-2007-0031025

The problem to be solved by the present invention is the construction, economical, safety by using a steel grating panel comprising a plurality of iron frames formed in a grid, rhombus, oblique or I shape and a plurality of regularly spaced openings spaced from each other And excellent bending toughness, by attaching iron plate, rubber pad or fiber sheet plate on the back of the steel grating panel to prevent damage of the steel grating panel and various designs can be solved to solve the user's anxiety, improve the safety and aesthetics of the traffic It is to provide a rock fracture protection device that can be.

The present invention provides a rock fracture protection device in which the H-beam is erected at a predetermined interval on the ground at a construction site where rock or soil is expected to flow down, and a grating shield is inserted between the H-beam and the H-beam. The grating protection plate is a steel grating panel including a plurality of iron frames formed in a lattice shape, a rhombus shape, an oblique shape or an I shape, and a plurality of regularly arranged spaced apart from each other, and the steel grating by rock or earth and sand. In order to prevent damage to the panel includes a reinforcing plate attached to the back of the iron grating panel, the reinforcing plate is made of a steel plate, rubber pad or fiber sheet.

The steel grating panel of the grating protection plate is provided with a plurality of through-holes formed by drilling up and down, through the through-hole provided on the edge of the steel grating panel is rivet joints or bolted joint, the iron with the maximum bending moment Steel wires, wire ropes or steel rods are inserted through the through-holes provided in the center of the grating panel, and a plurality of grating protection plates may be connected and assembled to be integrated.

In addition, the steel grating panel of the grating protection plate is provided with a plurality of through holes formed by drilling up and down, the steel wire, wire rope or steel rod is inserted through the plurality of through holes and a plurality of grating protection plate is connected and assembled Can be.

The reinforcing plate may be attached to the iron frame and the rivet joints or bolted joints at the rear surface of the iron grating panel, or may be attached and bonded by an adhesive.

According to the present invention, construction, economy, safety and flexural toughness by using a steel grating panel comprising a plurality of iron frames formed in a grid, rhombus, oblique or I-shape and a plurality of regularly arranged openings spaced apart from each other This excellent, iron plate, rubber pad or fiber sheet plate attached to the back of the steel grating panel to prevent damage to the steel grating panel and various designs can be solved to reduce the user's anxiety, improve the safety and aesthetics of the traffic. .

In particular, the upper and lower parts of the grating protection board combined with the steel grating panel and the reinforcement plate can be integrated with the grating protection board by steel wire, wire rope or steel bar instead of rivets or bolted joints. Can be obtained.

By placing the H-beams at regular intervals and then inserting the grating shields between them, the construction of the protective device is very simple and convenient, which not only significantly reduces work time and manpower, but also requires no tools for dismantling. It can be easily dismantled and reused, which can greatly reduce the cost of construction. The use of steel grating panels with large cross-sectional secondary moments also allows the allowable stress to be significantly higher than that of conventional wood and steel safety facilities. Can be improved.

According to the present invention, it is possible to install the protective device in a prefabricated manner according to the site conditions, making it easy to manufacture, install and dismantle, which is advantageous not only for the reduction of construction air and construction cost, but also for the structurally stable installation. If it is replaced, very economical and constructability can be secured.

And since the whole structure is made of very strong steel grating panel, it can be provided semi-permanently, so as to reduce worker's anxiety, improve aesthetics, improve safety and economic benefits for the user, as well as provide a cause for increasing construction waste. It has the effect of being.

On the other hand, the conventional protective plate is a roll forming method of bending molding method, the steel plate is thin, the fall of the protective plate when a rockfall occurs in the field, the recycling rate is significantly reduced, but the grating protective plate according to the present invention is damaged by the falling rock Even if it occurs, it can be repaired and repaired on site quickly, improving the recycling rate, so the economy is much better than the existing steel shield.

In addition, the conventional protective plate is the risk of sagging due to the fall of the rock to fall to the road side, but the grating protective plate of the present invention has a larger cross-sectional second moment than the existing steel protective plate, the flexural compressive stress and flexural tension The high stress can minimize the risk of falling of these rocks.

On the other hand, the conventional steel protective plate is not possible to use by a variety of earth pressure because it is produced as a factory product, the grating protection plate of the present invention is applicable to a variety of earth pressure.

1 is a view showing a conventional conventional clampanel panel.
2 is a view showing a state in which the conventional panel for earthquake is combined.
3 is a perspective view illustrating a state in which the grating protection plate according to the embodiment of the present invention is assembled between the H-beam and the H-beam.
4 is a perspective view schematically showing an iron grating panel.
5 is a perspective view showing a state according to an example of assembling the grating protective plate coupled to the iron grating panel and the reinforcement plate.
6 is a perspective view showing a state according to another example of assembling the grating protective plate coupled to the iron grating panel and the reinforcement plate.
Figure 7 is a side cross-sectional view showing a state in which the reinforcing plate is coupled to the back of the iron grating panel.
8 is a view showing an example of a state in which the rock crushing protection device of the present invention is actually applied.

Hereinafter, with reference to the accompanying drawings will be described in detail a preferred embodiment according to the present invention. However, the following embodiments are provided to those skilled in the art to fully understand the present invention, and can be modified in various forms, the scope of the present invention is limited to the embodiments described below It doesn't happen. Wherein like reference numerals refer to like elements throughout.

Rock fracture protection device according to a preferred embodiment of the present invention, the H-beam is erected on the ground at regular intervals in the construction site where the rock or soil is expected to flow down, the grating protection between the H-beam and the H-beam A rock-breaking protection device having a plate inserted therein, The grating protection plate includes a steel grating panel including a plurality of steel frames regularly arranged spaced apart from each other and a plurality of steel frames formed in a lattice shape, a rhombus shape, an oblique shape or an I shape; It includes a reinforcing plate attached to the rear of the iron grating panel to prevent damage to the iron grating panel by rock or soil, the reinforcing plate is made of iron plate, rubber pad or fiber sheet.

The steel grating panel of the grating protection plate is provided with a plurality of through-holes formed by drilling up and down, through the through-hole provided on the edge of the steel grating panel is rivet joints or bolted joint, the iron with the maximum bending moment Steel wires, wire ropes or steel rods are inserted through the through-holes provided in the center of the grating panel, and a plurality of grating protection plates may be connected and assembled to be integrated.

In addition, the steel grating panel of the grating protection plate is provided with a plurality of through holes formed by drilling up and down, the steel wire, wire rope or steel rod is inserted through the plurality of through holes and a plurality of grating protection plate is connected and assembled Can be.

The reinforcing plate may be attached to the iron frame and the rivet joints or bolted joints at the rear surface of the iron grating panel, or may be attached and bonded by an adhesive.

In addition, the rock crushing protection device according to a preferred embodiment of the present invention in the construction site where rock or soil is expected to flow down H-beams at regular intervals on the ground, lattice shape, rhombus shape, diagonal shape or I type After preparing a steel grating panel comprising a plurality of formed steel frame and a plurality of regularly arranged openings spaced apart from each other, and then to prevent damage of the steel grating panel by rock or earth and sand to the back of the steel grating panel After attaching, the grating protective plate with the reinforcing plate attached to the rear of the iron grating panel can be inserted between the H-beam and the H-beam can be installed.

A plurality of grating protective plates can be connected and assembled to integrate the connecting assembly of the grating protective plates to form a plurality of through holes by drilling the steel grating panel of the grating protective plate up and down, and the maximum bending moment is applied. To insert a steel wire, wire rope or steel rod through the through hole formed in the center of the iron grating panel, and then through the through tube formed on the edge of the steel grating panel can be riveted or bolted.

In addition, a plurality of grating protection plate may be connected and assembled to integrate, and the connection assembly of the grating protection plate may drill a steel grating panel of the grating protection plate up and down to form a plurality of through holes, Through-holes allow the insertion of steel wires, wire ropes or steel bars and assembling a plurality of grating protection plates.

The reinforcing plate may be attached to the iron frame and the rivet joints or bolted joints at the rear surface of the iron grating panel, or may be attached and bonded by an adhesive.

Hereinafter, the rock crushing protection device of the present invention will be described in detail with reference to the accompanying drawings.

3 is a perspective view illustrating a state in which the grating protection plate according to the embodiment of the present invention is assembled between the H-beam and the H-beam. 4 is a perspective view schematically showing an iron grating panel. 5 is a perspective view showing a state according to an example of assembling the grating protective plate coupled to the iron grating panel and the reinforcement plate. 6 is a perspective view showing a state according to another example of assembling the grating protective plate coupled to the iron grating panel and the reinforcement plate. Figure 7 is a side cross-sectional view showing a state in which the reinforcing plate is coupled to the back of the iron grating panel. 8 is a view showing an example of a state in which the rock crushing protection device of the present invention is actually applied.

Referring to Figures 3 to 8, rock crushing protection device at a predetermined interval on the ground to prevent the fall of rock or soil in the site, such as tunnels, trenches, rock crushing construction where rock or soil is expected to flow down H-Beam (200) is erected, and the grating shield plate 100 is sandwiched between the H-beam 200 and the H-beam 200 to configure the soil or rock barrier wall.

The H-beam 200 is erected on the ground at regular intervals, and the grating protection plate 100 is inserted between the H-beam 200 and the H-beam 200 to be assembled. The H-beam 200 is an H-shaped steel inserted into the ground, and it is preferable to fix the H-beam 200 by filling concrete in the inlet portion of the H-beam 200 inserted in the ground.

When the grating shield plate 100 is inserted and assembled between the H-beam 200 and the H-beam 200, the grating shield plate 100 and the H to prevent the grating shield plate 100 from being pushed backwards. It is preferable to prevent the departure from the H-beam 200 by fixing between the grating shield plate 100 and the H-beam 200 with a square steel, iron plate, rubber pad, wood joints, etc. between the beams 200. Do.

The grating protective plate 100 should have a bending strength (compressive strength) to the extent that it can support the pressing force or earth pressure by the rock itself, when the bending strength is insufficient compared to the pressing force or earth pressure by the rock of the grating protection plate 100 Fracture or warpage may occur and break away from the H-beam 200 leading to the collapse of rock or soil.

Therefore, the grating protection plate 100 must have a bending strength, that is, a bending compressive strength and a bending tensile strength, which can correspond to the pressing force or earth pressure by the rock, the H-beam 200 is such that the grating protection plate 100 It serves as a support to prevent it from being pushed out.

Looking at the structure of the grating protective plate 100 for soil or rock film in detail, the grating protective plate 100 is divided into an iron grating panel 110 and the reinforcing plate 120.

The iron grating panel 110 includes a plurality of iron frames 112 formed in a lattice shape, a rhombus shape, an oblique shape or an I shape, and a plurality of openings 114 regularly spaced apart from each other, and formed laterally long. The front and rear surfaces are opened through the opening 114. The steel frame 112 of the steel grating panel 110 has a lattice shape, a rhombus shape, an oblique shape or an I-shape to increase the cross-sectional secondary moment to increase the bending compressive stress and the bending tensile stress, thereby increasing the pressing force or earth pressure. The force applied at can be dissipated and thus can withstand stronger pressing or earth pressure.

The reinforcement plate 120 is attached to the rear of the steel grating panel 120 to prevent damage to the steel grating panel 120 by rocks or soil and at the same time, various designs are applied to solve the user's anxiety, safety and aesthetics of the traffic vehicle. Can be improved. The reinforcement plate 120 may be made of an iron plate, a rubber pad or a fiber sheet, and the reinforcement plate 120 may be attached to the rear of the steel grating panel 110 by rivet joints or bolt joints or by adhesive. For example, the reinforcing plate 120 may be attached to the steel grating panel 110 through a through hole 117 through a rivet joint or a bolt joint. The reinforcement plate 120 prevents damage to the iron grating panel 110 by soil or rock to enable reuse, and at the same time, introduces various designs to relieve anxiety of the user and to improve the safety and aesthetics of a traffic vehicle. Install.

When the reinforcing plate 120 is attached to the rear of the steel grating panel 110, the vertical and horizontal cross-sectional areas of the grating protection plate increase, and the vertical cross-sectional area increases and the horizontal cross-sectional area increases with respect to the attached portion. It has a structure in which the bending tensile stress becomes larger.

In general, since the deflection of the grating protection plate 100 is inversely proportional to the cross-sectional area of the grating protection plate 100, the deflection becomes smaller as the cross-sectional area becomes larger. As the overall cross-sectional area increases due to the shape of the steel frame 112 of the steel grating panel 110 and the attachment of the reinforcing plate 120, the force received from the earth pressure is dispersed, and the bending compressive stress and the bending tensile stress of the grating protection plate 100 are It is growing.

The grating protection plate 100 may be configured by assembling a plurality of steel grating panels 110.

The steel grating panel 110 constituting the grating protection plate 100 includes a plurality of openings 114 spaced apart from each other at predetermined intervals, and the steel frame 112 has a lattice shape, a rhombus shape, an oblique shape or I. The shape of the shape increases the secondary moment of the cross section to increase the flexural compressive stress and the flexural tensile stress, so that the force received from the earth pressure is dispersed to withstand the larger earth pressure. 3 to 6 show examples of the iron grating panel 110 having a lattice shape.

In the case of assembling a plurality of grating protection plates 100, the iron grating panel 110 of the grating protection plate 100 is drilled up and down to form a plurality of through holes 116a, 116b, and 116c, and then the maximum bending Through-holes 116a and 116b formed at the edges of the steel grating panel 100 by inserting steel wires, wire ropes or steel rods 118 through the through-holes 116b formed in the center of the steel grating panel 110 where the moment acts. Through rivet joints or bolted joints (not shown) can be made by connecting and assembling a plurality of grating protective plate 100 to integrate. By inserting the steel wire, wire rope or steel rod 118 into the through hole 116b in which the maximum bending moment acts to connect and assemble the grating protection plate 100, the bending compression stress and the bending tensile stress can be greatly improved.

As another example, as shown in FIG. 6, the assembling of the steel grating panel 110 forms a plurality of through holes 116a, 116b, and 116c by drilling the steel grating panel 110 up and down. It may be made by inserting a steel wire, a wire rope or a steel bar 118 through the plurality of through holes 116a, 116b, and 116c and assembling and assembling the plurality of grating protection plates 100. By inserting the steel wire, wire rope or steel rod 118 into the plurality of through holes 116a, 116b, and 116c to connect and assemble the grating protection plate 100, the bending compression stress and the bending tensile stress can be greatly improved.

In the case of low earth pressure or small construction scale, the upper and lower parts of the grating protection plate 100 combined with the steel grating panel 110 and the reinforcement plate 120, instead of rivets or bolted joints, Rope or steel bar 118 can be integrated into the grating protection plate 100 as a whole, it is possible to shorten the construction period and reduce the construction cost.

An example in which the grating protecting plate 100 of the present invention is applied is shown in FIG. 8.

The grating protection plate 110 is inserted and assembled between the H-beam 200 and the H-beam 200 erected at regular intervals on the ground, and the soil 320 is cut between the cut walls 310 cut by the construction. The wall 310 can be prevented from cracking or collapsing.

In the soil or rock grating protection plate 100, the steel grating panel 110 to which the reinforcing plate 120 is coupled is the size of the steel frame 112 (for example, grating) to withstand earth pressure in various environments with different conditions. Size) or shape can be formed and inserted into a desired shape, thereby manufacturing a variety of grating protective plate 100 is optimized for the purpose of the cross-sectional coefficient and the position of the neutral plane.

The grating protection plate 100 may form the thickness and shape of the steel grating panel 110 and the thickness of the reinforcement plate 120 differently, thereby manufacturing the grating protection plate 100 having various stresses.

As mentioned above, although the present invention has been described in detail with reference to preferred embodiments, the present invention is not limited to the above embodiments, and various modifications may be made by those skilled in the art within the scope of the technical idea of the present invention. This is possible.

100: grating protection plate 110: steel grating panel
112: steel frame 114: opening
116a, 116b, and 116c: through holes
118: steel wire, wire rope or steel bar
120: gusset
200: H-beam

Claims (4)

A rock fracture protection device in which an H-beam is erected at a predetermined interval on the ground at a construction site where rock or soil is expected to flow down, and a grating shield is inserted between the H-beam and the H-beam.
The above-mentioned grating protection board constituting the wall for the soil and rock screening at the construction site where the rock and the earth and sand are expected to flow down,
Iron grating panels; And
It includes a reinforcing plate attached to the rear of the iron grating panel to prevent damage to the iron grating panel by rock or soil,
The iron grating panel,
A plurality of steel frames formed in a lattice shape such that a force applied by rock or earth pressure can be dispersed; And
It includes a plurality of openings provided between the steel frame and arranged regularly spaced apart from each other,
The iron grating panel is formed to extend in the lateral direction and the front and rear through the opening is open,
The reinforcement plate is made of iron plate, rubber pad or fiber sheet,
It is provided with a plurality of through holes formed by drilling up and down in the iron grating panel of the grating protection plate,
Through wires, wire ropes or rods are inserted from the top to the bottom of the steel grating panel through the through hole provided in the center portion of the steel grating panel to the maximum bending moment through the through hole provided at the edge of the steel grating panel Steel wires, wire ropes or steel rods are inserted from the top to the bottom of the steel grating panel so that a plurality of grating protection plates are connected and assembled up and down, and are integrated.
The grating protective plate by fixing between the grating protective plate and the H-beam with a square steel, iron plate, rubber pad or wood joint between the grating protective plate and the H-beam to prevent the grating protective plate from falling backward A rock crushing protection device, characterized in that the plate is prevented from being separated from the H-beam.
delete delete The apparatus of claim 1, wherein the reinforcing plate is attached to the iron frame and the rivet joint or the bolt joint at the rear surface of the iron grating panel, or attached and bonded by an adhesive.

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