KR101105246B1 - Construction of sol particle confinement cellular reinforcement - Google Patents

Abstract

PURPOSE: A structure of a honeycomb stiffener for stabilizing soil particles is provided to prevent ground deformation by preventing the structure from slipping along a slope. CONSTITUTION: A structure of a honeycomb stiffener for stabilizing soil particles is composed as follows. Multiple strip-shaped sheets(140), which are composed of high-density polyethylene, are overlapped with each other. Multiple honeycomb-shaped cell units are formed by connecting the overlapped sheets a width direction and pulling the connected sheets in a direction. A height between the end of the sheet and the ground is less than 1/5 of the width of the sheet.

Description

Structure of sol particle stabilized honeycomb reinforcement {Construction of sol particle confinement cellular reinforcement}

The present invention relates to a structure of a stabilizer honeycomb type reinforcement stabilizer used as a base material for the slope and revetment and the base, retaining wall, road substrate layer, more specifically, made of a high-density polyethylene material formed in a predetermined length The sheet 100 is made of overlapping and the ultrasonic fusion is formed in a portion of the cell-shaped net when pulled, and the frictional force between the aggregate and the aggregate of the contact portion of the sheet and the bottom surface is pulled to the inclined surface by the load of the aggregate or granules It relates to a structure of a stabilizer honeycomb reinforcing stabilizer having a structure in which a plurality of at least one frictional strengthening groove and the end is formed, or a plurality of band-shaped forming bands are coupled to the sheet.

Generally, slopes are easily eroded and collapsed by rainfall and runoff, and soft ground is a ground that causes deformation due to less bearing capacity of the foundation than the load of the structure. When constructing such slopes and banks, the slope protection reinforcement should be installed to prevent slope erosion and collapse.In the case of construction of embankments or roads on the soft ground, the reinforcement structure should be increased to increase the bearing capacity of the ground and prevent settlement of the ground. Must be installed.

The conventional structure of the slope protection reinforcement is made of a high-density polyethylene material as shown in Figure 1 is made of a band-shaped sheet 100 formed in a predetermined length is overlapped and formed in a cell-shaped net pulled after ultrasonic welding to a part Stabilizer stabilized honeycomb reinforcement.

On the other hand attached to Figure 2 is stabilized by the structure of the worker to form a through-hole 200 using a punching machine in order to increase the coefficient of permeability to the sheet 100 after the production process for the stabilizer honeycomb reinforcement stabilizer of Figure 1 Honeycomb reinforcement was used.

As such, the conventional soft ground reinforcement requires expensive facilities in production, high manufacturing cost, easy rooting, and low frictional force with the filling material, resulting in sheet deformation or sliding down the slope during compressive load. I have a problem.

Therefore, the present invention is configured to have a structure that facilitates root lubrication to form a structure that increases the frictional force between the filler and the inclined surface so that the sheet is not deformed during compression load, and does not slide along the inclined surface, the ground deformation The problem is to provide a stabilizer honeycomb stabilizer having a structure that can prevent this from happening.

The structure of the stabilizer honeycomb reinforcement 100 of the present invention that solved the above problems is overlapping and overlapping the strip-shaped sheets having a predetermined length and width, one side after fusion-splicing the sheet at a predetermined interval in the width direction In the structure of the stabilizer honeycomb-type reinforcement to form a plurality of honeycomb-shaped cell portion when pulled in the direction, the lower end portion of the sheet to be closely fixed to the slope or the lake is a structure in which a predetermined end portion is repeatedly formed in the longitudinal direction, It is characterized in that the height (h) with the ground of the end is formed to be 1/5 or less of the sheet width length (L).

Here, the end is an inverted triangle; Saw blade type; Arched; Square; lozenge; A circle in which the bent portion between the end and the end portion is partially open to the slope and / or the contact portion with the rake; The bent portion between the end portion and the end portion is characterized in that it has a rectangular shape in which the contact portion with the slope and / or the arc is opened.

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Here, the end portion is repeatedly formed in the longitudinal direction, the end portion and the end portion is formed by a predetermined interval spaced apart, the separation distance is characterized in that less than 1/2 of the longitudinal width (L) of the end 3/2 or less.

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Here, the sheet is characterized in that the biodegradable resin capable of biodegradation.

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In the structure of the stabilizer honeycomb reinforcement stabilizer of the present invention, the end surface having a certain shape and the contact surface of the slope or arc is repeatedly formed in the longitudinal direction of the sheet, so that the sliding with the surface is more firmly made, the compression load due to the filling phenomenon of the filling material The sheet does not deform and does not slide along the inclined surface to prevent ground deformation from occurring.

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1 is a perspective view showing a reinforcement made of a conventional high strength polyethylene resin.
Figure 2 is a cutaway view showing the main part of the structure of the reinforcing material of the present invention.
3 to 9 are cutaway views showing another embodiment of the structure of the reinforcing material of the present invention.
10 to 12 are cutaway views showing another embodiment of the reinforcement structure of the present invention.
Figure 13 is a perspective view showing another embodiment of the reinforcing material of the present invention.
14-16 is a structural diagram showing a unit of a reinforcing member of another embodiment of the present invention.

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

2 to 9 are cutaway views showing one embodiment of the structure of the reinforcement of the present invention, referring to the structure of the stabilizer honeycomb reinforcement stabilizer 100 of the present invention with reference to this, the reinforcement 100 is a high-density polyethylene A plurality of strip-shaped sheets 140 having a predetermined length and width overlapping each other are overlapped and overlapped, and the plurality of honeycomb-shaped cell portions are pulled in one direction after fusion connection of the superposed sheet 140 at a predetermined interval in the width direction. It is configured to form 120.

The structure of the stabilizer honeycomb reinforcement 100 of the present invention has a predetermined shape of the end portion 110 in the longitudinal direction of the lower end of each sheet 140 constituting the reinforcement, that is, the lower end is in close contact with the slope or the lake The structure is repeatedly formed.

According to the present invention, the end portion 110 formed on one side of each sheet may be formed in the shape of an inverted triangle as shown in Figure 2 of the molding form.

In addition, the end 110 has a saw blade (Fig. 3) in addition to the form of an inverted triangle, as shown in the accompanying drawings, Figures 3 and 8; Arched (FIG. 4); Square (Figure 5); Lozenge (FIG. 6); The bent portion 130 between the end portion is circular (FIG. 7) in which the bevel portion and / or the close contact portion with the ridge part are open; The bent portion 130 between the end portion and the end portion may be formed in any shape of a rectangle (FIG. 8) in which an inclined portion and / or a close contact with the arc is opened.

Here, the bent portion 130 between the end portion 110 and the end portion is a circular shape (Fig. 7) in which the contact portion with the slope and / or the ridge is partially open; When the bent portion 130 between the end portion 110 and the end portion 110 is formed to have a rectangular shape (Fig. 8) in which the bevel portion and / or the close contact portion with the rake are open, the forming length of the end portion is the circular bending portion. It is preferable to form the same or larger than the diameter of the portion 130, and when the bent portion 130 is rectangular, it is preferable that the bent portion 130 is formed to have the same length as the rectangular forming length.

According to the present invention, preferably, the end portion is formed such that the height h with respect to the ground, which is the length in the width direction of the sheet, is equal to or less than 1/5 of the sheet width length L. If it is formed to 1/5 or more, the original purpose of the slope reinforcement may be lowered, which is not good.

According to the present invention, as shown in (a), (b), (c) of the accompanying drawings, the end portion 110 is formed repeatedly in the longitudinal direction, and between the end portion 110 and the end portion 110. It may be formed to be spaced apart a predetermined interval, the separation distance (i) between the end 110 and the end 110 is formed to have a separation distance within a range that does not inhibit the present invention, preferably the separation distance is It is preferable to be at least 1/2 of the lengthwise width l of the end portion 3/2 or less.

9A illustrates an end triangle having an inverted triangle shape, (B) illustrates an end portion having an arcuate shape, and (c) illustrates an end lozenge shape. The present invention is not limited only to the example of FIG. 9, and may be modified as necessary as long as it is in the shape of the end illustrated in the present invention.

In addition, according to the present invention, as shown in the accompanying drawings, as shown in Fig. 10, the strip-shaped sheets having a predetermined length and width are overlapped and overlapped, the sheets are fusion-spliced at regular intervals in the width direction. In the structure of the stabilizer honeycomb-type reinforcement stabilizer to form a plurality of honeycomb-shaped cell portion when pulled in one direction afterwards, is coupled to protrude a predetermined length to the lower end of the sheet on one side of the sheet is in close contact with the slope or the lake. Provided is a structure of a stabilizer honeycomb type reinforcing material stabilizer is a structure in which a plurality of band-shaped molding bands having a width and strength are coupled to a predetermined interval so that the sheet is bonded in the form of heat fusion or sewing using a thermoplastic resin. .

According to the present invention, it is preferable that the molding band bonded to the sheet has an intensity of 1 to 2 times the strength of the sheet, and the length thereof is preferably used within 1.2 times the width of the sheet. .

According to the present invention, as shown in the accompanying drawings, Figure 10, the coupling structure of the molding strip 150 is a structure that is combined in the same direction as the width direction of the sheet, or as shown in Figure 11 The molding strip 150 may be coupled to be inclined by a predetermined angle, or as shown in FIG. 12, the molding strip 150 is coupled to be inclined by a predetermined angle, and the plurality of molding belts 150 are inclined. Can be combined into a crosslinked structure.

Here, the coupling angle (θ) is preferably formed by combining to maintain an angle of 30 ° to 60 °.

According to the present invention, the protruding length of the protruding portion 160 protruding to the lower end of the sheet of the forming strip 150 is preferably formed to protrude within 1/5 of the sheet width.

Further, according to the present invention, as another embodiment, it may have a structure of a stabilizer honeycomb reinforcement of the structure as shown in the accompanying drawings, FIG.

More specifically, as shown in Figures 13 to 16, the structure of the reinforcing member is arranged in a plurality or more regularly so that the strip-shaped forming strips 210 formed of a polymer resin material at regular intervals, the center of the forming strip Located in the molding strip 210 and the bonding portion 230 is ultrasonically heat-sealed using a thermoplastic resin is coupled to the unit 240 consisting of a coupling belt 220 which is combined with the molding belt is overlapping and overlapping, The junction point 250 of the coupling belt 220 constituting the unit is a structure that is connected by ultrasonic thermal fusion, and pulled in one direction after the thermal fusion connection to form a plurality of honeycomb-shaped cell parts.

At this time, the forming strip 210 is arranged repeatedly arranged to maintain a constant distance (L1) the array distance between the forming strip 210 and the forming strip 210. The distance L1 is not particularly limited and is determined according to the manufacturing design conditions according to the construction environment.

Preferably it is formed to be spaced apart by a distance of 1/3 to 3/4 of the molding band length (L2). In addition, it is excellent in the reinforcing the reinforcing particles, having a structure in which four or more forming bands are formed in each cell (M).

In addition, the coupling belt 220 constituting the present invention, the width (L3) is preferably used to have a width of 1/4 or more of the forming band length (L2). More preferably, one having a width of 1/4 or more and 3/5 or less is used.

According to the present invention, the coupling belt may be formed in a structure that is inserted into a zigzag form and coupled to the inner and outer surfaces of the molding belt, as shown in the accompanying drawings.

In addition, as shown in Figure 16, the coupling belt may be a structure that is coupled to a plurality of spaced apart at regular intervals up and down. In this case, the molding strip can be structurally stabilized more stably and stably. At this time, the coupling distance of the coupling belt is preferably positioned to have a separation distance of more than the width (L3) of the coupling belt.

Here, even when the coupling belt is formed as shown in FIG. 16, as shown in FIG. 15, each coupling belt may be inserted into a zigzag shape and coupled to each other. Preferably, each coupling belt may have a different direction from each other. It is better to be positioned and combined so as to be zigzag in shape.

According to the present invention, it is preferable to use the molded belt and the coupling belt molded from a biodegradable resin capable of biodegradation.

The structure of the stabilizer honeycomb stabilizer of the present invention in which the end portion 110 is formed at the attachment portion attached to the surface of the slope and / or the arc as disclosed above, the end 110 is more firmly slid with the ground. The sheet is not deformed when the compressive load due to the pulling phenomenon of the filling material such as sand, soil, and gravel to be filled in the cell unit 120 does not slide along the inclined surface, thereby preventing ground deformation from occurring.

In addition, when the structure is formed by combining the molding strip 150 on one surface of the sheet provided according to the present invention, in addition to the technical effects described above, it is possible to obtain an effect of reinforcing the physical properties of the sheet by the molding strip 150. It is.

Comparing the prestress stress and the friction angle in the sieve stabilized honeycomb reinforcement of the present invention having the structure as described above in Figure 1, the results are shown in Tables 1 to 3.

The reinforcing material of the present invention was used to form an end triangle 110 and saw blade-shaped end portion formed in the lower end of the sheet, the filling material filled in the cell portion of the reinforcing material was measured by filling the weathered soil.

Table 1 below is a measurement result of the conventional reinforcing material, Tables 2 to 3 are the measurement results of the reinforcing material of the present invention.

Shear load (kg) 261 567 918 Shear stress (㎏ / ㎠) 0.29 0.63 1.02 Friction angle (°) 18.7

Experimental Method: Experimental Shear

Test condition: Filling material-weathered soil

           Reinforcement structure-conventionally used reinforcement

Shear load (kg) 742.5 1,068.3 1771 Shear stress (㎏ / ㎠) 0.83 1.18 1.97 Friction angle (°) 28.6

Experimental Method: Experimental Shear

Test condition: Filling material-weathered soil

           Reinforcement structure-reinforcement having an inverted triangle end portion formed repeatedly at the lower end of the present invention

Shear load (kg) 497 839 1,405 Shear stress (㎏ / ㎠) 0.55 0.93 1.56 Friction angle (°) 26.7

Experimental Method: Experimental Shear

Test condition: Filling material-weathered soil

           Reinforcing material structure-Reinforcing material is formed by combining three molding bands 150 in each cell unit to the sheet of the present invention

As a result of the measurement of the above Tables 1 to 3, the reinforcement disclosed in the present invention was found to be improved by an average of 148% compared to the conventional reinforcement. That is, it can be seen that excellent construction properties can be secured compared to the conventional reinforcing material.

Meanwhile, the sheet 100 forming the stabilizer honeycomb reinforcement of the present invention is described as being made of synthetic resin material, but using the biodegradable resin using PLA, starch, PBS, PCL, PBAT, etc., which is biodegradable, the sheet 100, that is, resolution Proton stabilized honeycomb reinforcement having a can be prepared and used.

Reference numeral 170 that is not described above is a heat-sealed portion that is fused to form a cell portion in the unfolded state as shown in FIG.

100, 200: reinforcement 110: end
120: cell portion 130: bend portion
140: sheet 150: molding strip
160: protrusion 170: heat-sealed portion
210: forming band 220: coupling belt
230: junction 240: unit
250: junction

Claims (15)

A strip-shaped sheet having a predetermined length and width overlaps and overlaps, and when the sheet is fusion-bonded at a predetermined interval in the width direction and pulled in one direction, a structure of a stabilizer honeycomb reinforcement stabilizer that forms a plurality of honeycomb-shaped cell portions is formed. In
The lower end of the sheet, which is tightly fixed to the slope or the lake, has a structure in which a predetermined end portion is repeatedly formed in the length direction, and the height h of the end portion of the sheet is 1/5 of the sheet width length L. The structure of the stabilizer honeycomb reinforcement stabilizer, characterized in that formed to be below.
The method of claim 1,
The end has an inverted triangle; Saw blade type; Arched; Square; lozenge; A circle in which the bent portion between the end and the end portion is partially open to the slope and / or the contact portion with the rake; A structure of a stabilizer of honeycomb type reinforcing material, characterized in that the bent portion between the end portion and the end portion is in the shape of a rectangle having an inclined portion and / or a close contact portion with the arc.
delete The method of claim 1,
The end is repeatedly formed in the longitudinal direction, the end and the end is formed by a predetermined interval spaced apart, the separation distance stabilizer honeycomb, characterized in that more than 1/2 of the lengthwise width (L) of the end 3/2 or less Structure of the mold reinforcement.
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The structure of the stabilizer honeycomb reinforcing stiffener, characterized in that the sheet is a biodegradable resin capable of biodegradation.
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