KR20100130955A - Construction materials and embankment method - Google Patents

Abstract

PURPOSE: A construction material and an embankment method are provided to prevent harmful materials, such as heavy metal, from flowing out and to prevent the construction materials from being corroded. CONSTITUTION: A construction material(1) is composed of a rectangular box(2) filled with filler. An opening is formed in one end of the rectangular box. A cover(3) is formed in the rectangular box covers the opening. The rectangular box is composed of a polyethylene pipe, a polypropylene pipe, or a polyvinyl chloride pipe.

Description

Construction Materials and Embankment Method

The present invention is a construction material and land construction method used in the construction work such as when the ground on the soft ground, the back of the bridge, the side or top and bottom of the box culvert, the ground on the slope It is about.

When the soil is buried on the soft ground, the ground is slowly settled over a long time. In order to prevent this settlement, load reduction methods using lightweight materials such as foamed styrol and foam cement have been attracting attention and have already been adopted at some sites. Among them, for example, a light fill construction method using a bubble-mixed lightweight soil is a construction method that enables the filling in a place that is difficult to install with ordinary soil by utilizing characteristics such as lightness and fluidity.

In addition, there is an example in which tonic is used for fill (see patent literature and non-patent literature). The patent document compresses based on the maximum restraint stress, which corresponds to the tensile strength of the fabric constituting the bag, which is filled with a bag, and the soil or its substitute, which is molded into a box shape, is received from the bag. A construction material is disclosed in which a performance indication regarding a compressive strength is obtained based on the finding of the yield strength and the obtained compressive strength, and the soil or its substitutes are restrained and reinforced using a bag.

Japanese Patent No. 3187804

"Reinforced Filling Soilback Method", [online], Hirose Corporation, [January 16, 2008 Search], Internet <URL: http://www.hirose-net.com/hokyodo/frame/03_frame.html>

By the way, when a wide surface is close to a square and has a flat box shape, such as construction materials disclosed in sackcloth or patent literature, and has a flat box shape, the sack or the like is used to fit the shape of the covered soil. And it should be stacked by stacking one by one in three directions of height. For this reason, not only the time which piles up this bag, etc. takes time, but also the number of materials to transport to a construction site increases, and also requires labor for transportation.

Accordingly, an object of the present invention is to provide a construction material and a filling method capable of shortening the filling work time and reducing the labor of transportation.

The construction material of the present invention is a construction material made from a normal material in which a filler is filled in a cylinder whose length is set corresponding to the soil to be covered. In addition, the landfill method of the present invention is characterized in that the construction material is piled up on the land to be deposited in a laid state. Since the construction material of the present invention has a length set according to the landfill portion, it is possible to carry out the fillet mainly by stacking it in two directions, either vertically or horizontally.

The filler is preferably a foamed glass material having a specific gravity of 0.3 to 1.5 and a particle diameter of 10 mm to 50 mm. This makes it possible to obtain a lightweight construction material suitable for filling the soft ground or landslides. In addition, since the foamed glass material is glass, it is stronger and chemically stable against heat, chemicals and oils and fats than the foamed styrol material. In addition, it does not corrode, and there is no elution of harmful substances such as heavy metals, so there is no influence on the surrounding ground.

Moreover, it is preferable that a cylinder has an opening part and the cover which covers this opening part in at least one edge part, and it is preferable that the opening part is sealed by adhering a cover to a cylinder by the heat shrink tube contracted by heat. Thereby, the length of the cylinder is adjusted, the filler is filled through the opening, and then the lid is covered with the lid, the heat shrink tube is heated, and the lid is brought into close contact with the cylinder to seal the opening. It is possible to easily set the length to correspond to.

(1) According to construction materials made from ordinary materials filled with filler in the interior of the barrel whose length is set so as to correspond to the part of the soil, mainly in either the longitudinal or horizontal direction. By stacking in two directions in the height direction, the filling can be carried out, and the filling work time can be shortened. In addition, the number of construction materials is reduced compared to the conventional sachet and the like, it is possible to reduce the effort to transport.

(2) Fillers are foamed glass materials with specific gravity of 0.3 to 1.5 and particle diameters of 10 to 50 mm, so that lightweight construction materials suitable for filling in soft ground or landslides can be obtained. In addition, since the foamed glass material is glass, it is stronger and chemically stable against heat, chemicals and oils and fats than the foamed styrol material. In addition, since there is no corrosion and no elution of harmful substances such as heavy metals, there is no influence on the surrounding ground.

(3) The barrel has an opening and a lid covering the opening at at least one end, and the opening is closed by being in close contact with the barrel by a heat-shrinkable tube that contracts with heat. Construction materials which can be easily set in length corresponding to the fill portion can be obtained.

1 is a schematic perspective view of construction materials in an embodiment of the present invention.
FIG. 2 is an exploded perspective view illustrating a state in which the construction material of FIG. 1 is disassembled.
3 is a perspective view illustrating an example in which the construction material of FIG. 1 is stacked as a fill material.
4 is a schematic perspective view of a construction material showing another embodiment of the present invention.
5 is a perspective view illustrating an example in which the construction material of FIG. 4 is stacked as a fill material.
6 is a schematic perspective view of a construction material showing still another embodiment of the present invention.
7 is a perspective view illustrating an example in which the construction material of FIG. 6 is stacked as a fill material.
8 is a cross-sectional view showing an example in which construction materials in the present embodiment are applied to embankment fill on soft ground.
9 is a cross-sectional view showing an example in which construction materials in the present embodiment are applied to fill in soft ground.
10 is a cross-sectional view showing an example in which the construction material in the present embodiment is applied to fill in soft ground.
11 is a cross-sectional view showing an example in which the construction material in the present embodiment is applied to the fill behind the structure.
12 is a cross-sectional view showing an example in which construction materials in the present embodiment are applied to fill of underground structures.
13 is a cross-sectional view showing an example in which the construction material in the present embodiment is applied to fill in the wall surface.
14 is a cross-sectional view showing an example in which construction materials in the present embodiment are applied to fill of slopes of mountainous lands.
Fig. 15 shows an example in which the construction material in the present embodiment is applied to the fill of the back surface of a large concrete block retaining wall, where (a) is a front view and (b) is a sectional view.
FIG. 16 is a cross-sectional view showing an example in which the construction material in the present embodiment is used in combination with a resin lattice reinforcement material.

1 is a schematic perspective view of construction materials in an embodiment of the present invention, FIG. 2 is an exploded perspective view showing a state in which the construction materials of FIG. 1 are disassembled, and FIG. 3 is a perspective view showing an example in which the construction materials of FIG. to be.

As shown in FIG. 1 and FIG. 2, the construction material 1 in the embodiment of the present invention has a length depending on the size, width, and the like of the covered soil part that uses the construction material 1 to fill the soil. It is a normal thing in which the foamed glass material 5 was filled as a filler in the elongate rectangular cylinder 2 which is set and has a square cross section. The square tube 2 has an opening 2a at one end and a lid 3 covering the opening 2a. The opening 2a is closed by bringing the lid 3 into close contact with the square tube 2 by the heat shrink tube 4 shrinking with heat.

The square tube 2 is a polyethylene tube formed of polyethylene, polypropylene, polyvinyl chloride, or the like, a polypropylene tube, a polyvinyl chloride tube, or the like. In addition, although the size of a cross section can be set arbitrarily, handling is easy as it is about 0.3 m x 0.3 m or about 0.5 m x 0.5 m. In addition, although the length is set so that it may correspond to the to-be-filled land part which carries out filling, it is preferable to set in the range of 1m-10m in handling and transportation.

The foamed glass material 5 used in this embodiment is a recycled product (foamed waste glass material) which recycled glass waste materials, such as an empty bottle. Foamed glass material 5 is a porous structure having an independent gap or continuous gap, its specific gravity is 0.3 to 1.5, and the particle diameter is 10 mm to 50 mm. Such a foamed glass material can be manufactured by the following manufacturing process, for example.

Firstly, the recovered waste glass bottles are separated into metals, coarsely pulverized, and finely pulverized to form powders, and then made into calcium carbonate, silicon carbide, roadmite, sodium bicarbonate, soda ash, synthetic clay, etc. Mix with additives. Subsequently, the mixture is spread on a belt conveyor to a certain thickness and fed into a special reactor at 700 to 1000 ° C. to be fired, melted and foamed to form a plate foam waste glass material, and then quenched. The plate-shaped foamed waste glass material can be obtained by foaming waste glass material having a particle diameter of 10 mm to 50 mm that is naturally crushed by the cracks generated when quenching.

In addition, the specific gravity of the foamed glass material 5 can be adjusted with manufacturing conditions, such as additive amount, the particle size of fine crushed glass, the thickness of the mixture which spreads on a belt conveyor, baking temperature, time, etc. Moreover, in order to make the foamed glass material 5 into the porous structure which has independent clearance or continuous clearance, the kind and addition amount of a foaming agent are adjusted.

The heat shrink tube 4 is based on ethylene propylene rubber, crosslinked polyethylene, etc. which are excellent in weatherability. The heat shrink tube 4 is covered by a gap between the lid 3 covering the opening 2a of the square cylinder 2 and the square cylinder 2, and is hot due to hot air such as an industrial dryer or a burner. The opening 2a of the square cylinder 2 is sealed by shrinking the paper surface and bringing it into close contact with the square cylinder 2 and the lid 3. In addition, instead of the heat-shrinkable tube 4, the structure which adhere | attaches the square tube 2 and the cover 3 with an adhesive agent is also possible.

The construction material 1 having the above-described configuration is manufactured in the factory by setting the length in advance to correspond to the landfill part, and transporting it to the site in the state of the construction material 1 by a transport truck (not shown). do. Then, the construction material 1 is piled up on the covered soil in a lying state as shown in FIG. Since the construction material 1 is set to have a length corresponding to the land to be filled, the construction material 1 may be continuously lowered directly from the transport truck to the land to be covered.

The construction material 1 can be filled by stacking the construction material 1 mainly in two directions, either in the longitudinal direction or in the horizontal direction (Y) and in the height direction (Y). Therefore, according to this construction material 1, it is possible to shorten the filling work time. In addition, since the number of construction materials (1) compared with the conventional sack and the like can reduce the labor of transporting.

Next, another embodiment of the construction material of the present invention will be described with reference to FIGS. 4 to 7. 4 is a schematic perspective view of a construction material showing another embodiment of the present invention, FIG. 5 is a perspective view showing an example in which the construction material of FIG. 4 is stacked as a fill material, and FIG. 6 is a construction material showing another embodiment of the present invention. 7 is a perspective view showing an example in which the construction material of FIG. 6 is piled up as fill material.

The construction material 6 shown in FIG. 4 uses the elongate cylinder 7 which has a circular cross section instead of the square cylinder 2 mentioned above. Also in this case, the foam glass material (not shown) is filled into the cylinder 7 through an opening (not shown) at one end of the cylinder 7, and the opening 8 is covered in the same manner as the cover 3 described above. ) And the heat shrink tube 9 in the same manner as the heat shrink tube 4 described above is closed by heating it. Similarly to the construction material 1, the construction material 6 is easy to handle, and can be piled up by stacking it in two directions, either in the longitudinal direction or in the horizontal direction (Y) and in the height direction (Y). In addition, it is also possible to sprinkle and fill the foamed glass material 5 in the gap formed when the plurality of cylinders 7 are stacked up.

Meanwhile, the construction material 10 shown in FIG. 6 uses an elongated equilateral triangular tube 11 having an equilateral triangular cross section instead of the aforementioned triangular cylinder 2. Also in this case, as described above, the foamed glass material (not shown) is filled in the equilateral triangle cylinder 11 through an opening (not shown) at one end of the equilateral triangle cylinder 11, and the opening 3 is described with the cover 3 described above. The cover 12 is covered in the same manner, and the heat shrink tube 13 in the same manner as the heat shrink tube 4 described above is covered and sealed by heating. In the case of the construction material 10, as in the construction material 1, the handling is easy, and mainly, the building can be carried out by stacking in two directions, either in the longitudinal direction or in the horizontal direction (Y) and in the height direction (Y). In addition, in the case of this construction material 10, it can be piled up by alternating direction of the vertex of an equilateral triangle of the cross section of the adjacent construction material 10 alternately.

Next, an example in which the construction material 1 of FIG. 1 is used as a fill material will be described with reference to FIGS. 8 to 15. In addition, although the example mainly using the construction material 1 is demonstrated below, it is also possible to use the construction materials 6 and 10 mentioned above instead of this construction material 1.

8 is a cross-sectional view showing an example in which the construction material 1 according to the present embodiment is applied to embankment fill on soft ground. As shown in FIG. 8, when the lower bank is a soft ground, the construction material 1 is piled up on the back and the upper surface of the embankment 20 which consists of this soft ground, and it generate | occur | produces on it. Soil 21, covering 22, etc., such as soil and new soil, are constructed. Moreover, in the case of roads, it can be used together as a roadbed, a roadbed is formed in the upper part, and pavement etc. are performed. In addition, the gap formed when the construction material 1 is stacked is sprinkled with a foamed glass material 5, locally produced soil or new soil. In addition, it is also possible to use the foamed glass material 5 instead of the soil 21, such as locally produced soil and new soil.

In this way, when the construction material 1 is applied to the embankment fill, it is possible to obtain the effect of reducing settlement and suppressing slipping. That is, while the specific gravity of the soil is about 1.8, the specific gravity of the foamed glass material 5 filled in the construction material (1) is 0.3 ~ 1.5, so the weight of the fill is reduced to about 1/6 ~ 2/3 Settling or slipping does not occur easily. In addition, the internal friction angle (Φ) can be expected 30 ° ~ 45 ° so that the settling or slipping does not occur easily.

FIG. 9 is a cross-sectional view showing an example in which the construction material 1 in the present embodiment is applied to fill in soft ground. As shown in FIG. 9, the construction material 1 is piled up on the soft ground, and the slope surface method 23 is performed thereon, or in the case of a road, the paving method is performed. For example, a precast slope method is carried out to stabilize the slope, or a vegetation base material is mounted as a greening method to stabilize the river surface.

In this case, since the foamed glass material 5 is filled in the barrel 2, it does not absorb water and the specific gravity does not change, so that settlement can be reduced. In addition, since it is a lightweight soil material, the internal friction angle (Φ) can be expected to be 30 ° to 45 ° or more, so that it is safe to slip against the river surface, so that side flow suppression effect can be obtained. In addition, as shown in FIG. 10, the construction material 1 and the soil 21 such as local soil or new soil are alternately stacked, or a part of the construction material 1 is locally generated soil or new. It is also possible to replace with soil 21, such as soil.

11 is a cross-sectional view showing an example in which the construction material 1 in the present embodiment is applied to the fill behind the structure. As shown in FIG. 11, after the foundation 24 and the structure 25 are constructed in the middle of the soft ground, the construction materials 1 are stacked and the fastener 26 has two to three pieces every 1m to 2m in height. Stack up to the top while fixing the area. In addition, it is also possible to build a construction material 1 in the factory 1m to 2m in height and to manufacture two or three parts fixed by the fastening body 26 to carry on the site for construction.

In this case, since the foamed glass material 5 is filled in the square cylinder 2, it is kept light and does not absorb water, so that the ground reaction force against the foundation 24 and the structure 25 and Earth pressure is reduced. Thus, the foundation 24 and the structure 25 are advantageously in strength, so that the cross-sectional shape can be made slimmer. On the other hand, the land portion that is not subjected to earth pressure on the structure 25 is filled with ordinary soil.

12 is a cross-sectional view showing an example in which the construction material 1 in the present embodiment is applied to the fill of the underground structure. As shown in FIG. 12, when the land is piled up higher than the old ground surface, the load of the land due to the land becomes excessive so that the cross section of the underground structure 27 becomes insufficient. In order to prevent this, in this embodiment, the construction material 1 is applied instead of the filling of the part which earth pressure is applied to the underground structure 27.

By using the construction material 1 in place of the filling in this way, the load and earth pressure on the underground structure 27 can be reduced and the settlement can be prevented. In other words, by using the construction material (1) filled with the light-weight foam glass material (5) can reduce the stress acting on the bottom of the underground structure 27, the ground reaction force of the bottom of the underground structure 27 is small This can prevent phenomena such as inequality and subsidence.

FIG. 13 is a cross-sectional view showing an example in which the construction material 1 in the present embodiment is applied to fill in the wall surface. As shown in FIG. 13, the construction material 1 is piled up as fill in the part enclosed by the vertical wall 28. As shown in FIG. In the case of a road, the roadbed 29 (crusher run, etc.) and the surface layer 30 (asphalt) are constructed on this construction material 1. Since the construction material 1 is light in weight, the pressure acting on the vertical wall 28 becomes small, and the cross-sectional shape of the vertical wall 28 can be made slimmer. That is, since the ground reaction force becomes small, the vertical wall 28 (structure) can be constructed even if the ground is slightly bad.

14 is a cross-sectional view showing an example in which the construction material 1 in the present embodiment is applied to fill in the slope of a mountainous region. As shown in Fig. 14, first, a wall surface is formed by a structure such as an H-beam or a concrete retaining wall to form an earth wall 31. After that, the construction materials (1) are stacked in the vertical direction from the bottom to construct the fill. Thereby, the load and earth pressure on the earth wall 31 can be reduced, and since the construction material 1 is lightweight, slipping of the inclined surface can be prevented.

Fig. 15 shows an example in which the construction material 6 in the present embodiment is applied to the fill of the back surface of a large concrete block retaining wall, wherein (a) is a front view and (b) is a sectional view.

As illustrated in FIG. 15, a large concrete block 35 is stacked on the foundation formed by the base 32, the foundation concrete 33, and the ground leveling mortar 34 to form an earth wall. The large concrete block 35 used here is a concrete product using the foamed glass material 5 as a light weight aggregate, and is a hollow light weight concrete block, which is advantageous in terms of reducing the retaining wall and reducing ground force.

The construction material 6 is used as the fill on the back surface of the earth wall formed by this large concrete block 35. In addition, the soil which does not apply earth pressure to the earth wall is filled with ordinary soil 37. Furthermore, subgrade soil 36 is constructed on the fill by this construction material 6. According to this structure, since the construction material 6 is lightweight, the earth pressure acting on the earth wall becomes small, and the structure can be made slimmer and the ground reaction force can be reduced.

FIG. 16 is a cross-sectional view showing an example in which the construction material 1 in the present embodiment is used in combination with a resin lattice reinforcement material.

In the example shown in Fig. 16, a lattice reinforcement 38 made of glass fiber-filled vinyl ester resin is used to form a slope. First, a frame is formed by the H-shaped steel 39 and the mountain-shaped steel 40, and the earth plate 41 is provided in the front. A lattice-shaped reinforcement 38 is provided on the rear surface of the earth plate 41, and a construction material 1 is disposed thereon instead of the fill. The lattice-shaped reinforcement 38 is repeatedly constructed alternately on the construction material (1).

In addition, when the earth plate 41 is not provided, it is also possible to form the slope side by the lattice-shaped reinforcement 38 in the shape of a bag so as to surround the construction material 1. In this way, filling by the construction material 1 is achieved. Furthermore, the roadbed and the roadbed 42 are constructed on the fill by this construction material 1. Moreover, this construction material 1 can also be used together in a roadbed. According to such a structure, since the construction material 1 is light in weight, the earth pressure acting on the earth plate 41 becomes small, and the earth plate 41 can be constructed with a thin material, and it is economical. Alternatively, the earth plate 41 can be removed by forming the slope side by the lattice reinforcement 38 in the shape of a bag.

In the present embodiment, except for the example of FIG. 10, an example in which only construction materials 1, 6 and 10 are mainly used as fill is described, but soil (local occurrence) is produced for construction materials 1, 6 and 10. It is also possible to use together soils and new soils by volume ratio of 10 to 100%. In this case, as shown in Figure 10, the construction materials (1, 6, 10) and the soil (21), such as local soil or new soil is alternately stacked.

Thus, by stacking the construction materials (1, 6, 10) and the soil (21) such as local soil or new soil alternately with each other can reduce the unit volume weight of the soil. In addition, it is easy to increase the internal friction angle (Φ) of the soil and the adhesive force (C) of the soil by mixing the foamed glass material 5 with the soil 21, such as locally produced soil or new soil. In addition, it is possible to reduce the amount of residual soil by reusing the soil 21, such as local soil or new soil.

In addition, in view of the workability of the construction materials (1, 6, 10) in the present embodiment, in the case of the conventional foamed plastic material, the work of laminating and joining by human force is required, but in the present embodiment In the case of materials (1, 6, 10), the construction materials (1) etc. can be manufactured and brought to the site in a predetermined length corresponding to the site in advance. It is possible to shorten.

The present invention is useful as a construction material and a fill construction method used in construction work, such as when the ground on the soft ground, the back of the alternating, the side or top and bottom of the box Culvert, the land on the slope.

1, 6, 10: construction materials
2: square barrel
2a: opening
3, 8, 12: cover
4, 9, 13: Heat Shrink Tubing
5: foamed glass material
7: cylinder
11: equilateral triangle tube
20: embankment
21: soil
22: cladding
23: slope
24: Foundation
25: Structure
26: fastener
27: underground structure
28: vertical wall
29: Norbanjae
30: surface layer
31: earth wall
32: Foundation
33: foundation concrete
34: Choosing the Background Mortar
35: large concrete block
36: subsoil
37: soil
38: grid reinforcement
39: H section steel
40: mountain section steel
41: earth plate
42: roadbed, roadbed

Claims (6)

Construction materials made of ordinary goods filled with a filler in a container whose length is set to correspond to the part of the soil.
The method of claim 1,
The said cylinder has an opening part and the cover which covers this opening part in at least one edge part,
The opening is closed by close contact with the tube by a heat shrink tube that shrinks the lid by heat.
The method according to claim 1 or 2,
The barrel is,
Construction materials that are polyethylene tubes, polypropylene tubes or polyvinyl chloride tubes.
4. The method according to any one of claims 1 to 3,
The length of the barrel is 1m ~ 10m construction materials.
The method according to any one of claims 1 to 4,
The filler is a construction material which is a foamed glass material having a specific gravity of 0.3 to 1.5 and a particle diameter of 10 mm to 50 mm.
Stacking construction materials made of ordinary materials filled with filler in the inside of a container whose length is set corresponding to the soil part, and stacking them on the soil part The landfill method characterized by the above-mentioned.

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