JP2005240421A - Wall surface material for lightweight fill structure - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To reduce cost by making the weight of a wall body lighter than that of a conventional wall body, and to enhance constructibility by dispensing with conventional wall body forming construction work because the wall body is formed only by stacking expanded polystyrene blocks to which a covering body is fixed. <P>SOLUTION: In this lightweight fill structure, not only a foundation but also a slope is constructed on the ground; the wall body which is constituted by connecting a plurality of wall surface materials to one another is erected on the ground; and a fill body is formed by stacking the expanded polystyrene blocks between the back surface of the wall body and the slope of the ground. The expanded polystyrene block is formed in a prescribed three-dimensional shape, the covering body for covering at least one surface of the expanded polystyrene block is provided, and the covering body functions as the wall surface material. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

  The present invention relates to a light-weight embankment wall surface material, and in particular, in a light-weight embankment structure in which foamed polystyrene blocks are laminated between the ground and a wall body, a light-weight embankment using a foamed polystyrene cover as a wall material constituting the wall body. It relates to a wall material of a structure.

  In the conventional embankment construction, there is a construction in which a embankment body is formed by using foamed polystyrene, which is a light material as a embankment material, and a lightweight embankment structure is constructed.

  As such a lightweight embankment structure, for example, a foundation is constructed on the ground and a slope is constructed, and a wall body constituted by connecting a plurality of wall materials is erected on the ground, and the back surface of the wall body And a styrofoam block (also referred to as “EPS block”) formed in a predetermined three-dimensional shape between the ground and the slope of the ground to form a layered state, thereby constructing a banking body.

JP2003-027484 JP2003-074059 JP2003-077400 JP 2003-268772

  By the way, in the conventional lightweight embankment structure, as shown in FIG. 15, when constructing the lightweight embankment structure 204, a foundation is constructed on the ground (not shown) and a slope (not shown) is constructed, and a wall body is formed on the foundation. 210 is erected.

  At this time, as shown in FIG. 15, the wall body 210 is composed of a pillar 212 made of H steel or the like standing on the foundation, and a wall surface material 216 made of concrete attached to the surface side of the pillar 212 by a fixture 214. . The wall body 210 is configured by attaching a plurality of wall surface materials 216 to the surface side of the support column 212.

  The wall material 216 has a decorative plate function and an ultraviolet ray preventing function for improving the appearance of the surface portion of the lightweight embankment structure 204, that is, the appearance.

  Between the back surface 218 of the wall body 210 and the slope, a plurality of styrene foam blocks 220 having a predetermined size are stacked to form a layered state, and the embankment body 222 is constructed.

  However, in the case of the lightweight embankment structure, by connecting a plurality of concrete wall materials to form a wall body, the weight of the wall body is increased, and the strength of the foundation portion supporting the wall body is improved. In addition to this, there is an inconvenience that the foundation construction cost is increased and the cost is increased, which is economically disadvantageous.

  In addition, when the light-weight embankment structure is used, foundation work, wall formation work, laminated work of polystyrene foam blocks, and the like are necessary, which is disadvantageous in that workability is low.

  Furthermore, in the conventional wall surface structure, there is a structure in which an extruded cement plate is attached to the wall surface while using H-shaped steel for the column. Since the column and the wall material are heavy, a new construction road or a large-sized road is used. It was necessary to work using heavy machinery, and improvements were desired.

  Therefore, in order to eliminate the above-mentioned inconveniences, the present invention constructs a foundation on the ground, constructs a slope, and erected a wall body constituted by connecting a plurality of wall materials on the ground. In the lightweight embankment structure in which the embankment body is formed by laminating foam blocks between the back surface of the ground and the slope of the ground, the foam blocks are formed into a predetermined three-dimensional shape, and at least one surface of the foam blocks The cover is provided so as to function as the wall surface material.

  As described above in detail, according to the present invention, a foundation is constructed on the ground and a slope is constructed, and a wall body constituted by connecting a plurality of wall materials is erected on the ground, and the back surface of the wall body In a lightweight embankment structure in which a foam body is formed by laminating polystyrene foam blocks between the slope and the slope of the ground, the foam cover is formed in a predetermined three-dimensional shape and covers at least one surface of the foam blocks Since the cover is made to function as a wall material, it is possible to reduce the weight of the wall body compared to the conventional one, and there is no need to improve the strength of the foundation part that supports the wall body. The foundation work costs are not increased, the cost can be reduced, and the wall body is formed by simply stacking the polystyrene blocks with the cover fixed, so that the conventional wall Without requiring formation work and give improved workability, moreover also has a degradation prevention and fire performance of polystyrene foam blocks by UV.

  By inventing as described above, by making the cover function as a wall material, it is not necessary to reduce the weight of the wall body and to improve the strength of the foundation portion supporting the wall body, There is no risk of increasing the cost of foundation work, and the cost is low, and the wall is formed simply by stacking the polystyrene blocks with the cover fixed. Has improved.

  Embodiments of the present invention will be described below in detail with reference to the drawings.

  1 to 4 show a first embodiment of the present invention. In FIG. 2, 2 is the ground, and 4 is a lightweight embankment structure.

  When constructing the lightweight embankment structure 4, as shown in FIGS. 2 and 3, a concrete foundation 6 is constructed on the ground 2, a slope (not shown) is constructed, and a wall body 8 is erected on the foundation 6. To do.

  Then, between the back surface 10 and the slope of the wall body 8, a fastening metal fitting (not shown) that fastens the adjacent polystyrene foam blocks 12 in the vertical direction or the horizontal direction is used, and a predetermined dimension is used. A layered state is formed by laminating polystyrene foam blocks 12 formed in a three-dimensional shape, and the embankment body 14 is constructed.

  When constructing this embankment body 14, the concrete floor board 16 is laminated | stacked in a horizontal state every predetermined dimension, for example, every 3 m.

  At this time, the foamed polystyrene block 12 is formed in a predetermined three-dimensional shape, for example, a rectangular parallelepiped shape, and a cover 18 that covers at least one surface of the foamed polystyrene block 12 is provided, and the cover 18 functions as a wall material. To do.

  More specifically, the wall 8 includes a cover 18 that covers at least one surface of the foamed polystyrene block 12 formed in a rectangular parallelepiped shape.

  The shape of the foamed polystyrene block 12 is described as being formed in a rectangular parallelepiped shape, but may be a cube or other shapes.

  Then, as shown in FIG. 4, the cover 18 is formed into a plate shape with a polymer (also referred to as “polymer”) resin.

  At this time, the cover 18 includes the main body 20, the first and second connection arm portions 22 and 24 positioned at the upper and lower positions of the main body 20, and the third and fourth connections positioned at the left and right positions of the main body 20. The arms 26 and 28 form a cross shape.

  The main body portion 20 has a displacement follow-up bending portion 30 that divides the main body portion 20 into an upper main body portion 20-1 and a lower main body portion 20-2. The third and fourth connecting arm portions 26 and 28 are each tapered so as to match the forming position of the third upper connecting arm portion 26-1 and the third lower connecting arm portion 26-2. A fourth upper connecting arm portion 28-1 and a fourth lower connecting arm portion 28-2 are formed, respectively.

  Further, any number of fixing holes (“anchor pinning”) may be used for the first to fourth connecting arm portions 22, 24, 26, and 28 in order to fix the foamed polystyrene block 12 with a fixing pin (not shown). 32) is provided.

  As shown in FIG. 1, one surface of the polystyrene foam block 12 is covered with a cover 18.

  At this time, it is necessary to use a cover 18 having a different shape depending on the position. That is, when the foamed polystyrene block 12 is located at the corner, it is necessary to have a shape that covers not only the surface portion of the foamed polystyrene block 12 but also one of the left and right side portions, that is, an L-shape that covers two surfaces. In addition, when the construction width is substantially the same as the width of the polystyrene block 12, not only the surface portion of the polystyrene block 12, but also the left and right side portions, that is, the C-shape covering the three surfaces It needs to be shaped.

  Next, the operation will be described.

  When constructing the lightweight embankment structure 4, as shown in FIGS. 2 and 3, the foundation 6 is constructed on the ground 2 at the site, the slope is constructed, and the wall body 8 is erected on the foundation 6.

  That is, the wall body 8 is formed on the foundation 6 by laminating the polystyrene foam blocks 12.

  At this time, the side located on the surface of the wall 8 of the polystyrene foam block 12 is covered with the main body 20 of the cover 18.

  That is, the first connecting arm portion 22 of the cover 18 is fixed to the upper surface of the foamed polystyrene block 12 via the fixing hole portion 32 by the fixing pin, and the second connecting arm portion 24 is fixed to the fixing hole portion by the fixing pin. It fixes to the lower surface of the block 12 made of a polystyrene foam via 32, and the fixing | fixed hole 32 by the 3rd upper connection arm part 26-1 and the 3rd lower connection arm part 26-2 of the 3rd connection arm part 26 with a stop pin. Is fixed to the left side surface of the polystyrene foam block 12, and the fourth upper connection arm portion 28-1 and the fourth lower connection arm portion 28-2 of the fourth connection arm portion 28 are fixed by a fixing pin 32 with a fixing pin. It fixes to the right side surface of the block 12 made from a polystyrene.

  Then, between the back surface 10 of the wall body 8 and the slope of the ground 2, a foamed polystyrene block 12 with the cover 18 fixed is laminated so as to be positioned on the surface of the wall body 8, 14 is formed.

  When forming this embankment body 14, the concrete floor board 16 is laminated | stacked in a horizontal state for every predetermined dimension, for example, every 3 m, and construction of the lightweight embankment structure 4 is completed.

  When vertical vibrations are applied to the foam block 12 of the lightweight embankment structure 4, particularly the foam block 12 located on the surface of the wall body 8 due to an earthquake or the like, the main body portion 20 of the cover 18. And the third upper connection arm portion 26- of the third and fourth connection arm portions 26, 28, which are divided into tapered shapes, respectively, while the bent portion 30 formed in the shape follows the contraction operation of the polystyrene foam block 12, that is, the displacement. Contact with the first, third lower connecting arm portion 28-2, fourth upper connecting arm portion 28-1, and fourth lower connecting arm portion 28-2 is also avoided.

  Moreover, as said cover 18, metal plate-like members, such as a stainless steel plate, a Galvalume steel plate, a normal steel plate, a zinc iron plate, a color galvanized iron plate, a fluorine steel plate, a copper plate, plate shapes, such as FRP type, a vinyl chloride type, and a plastic type It is also possible to use members.

  Furthermore, the surface portion of the cover 18 may be configured to be subjected to surface makeup in order to improve the landscape. As this surface decoration, it is possible to use a sprayable or adhesive material such as paint, cement, tile, brick, stone or the like.

  Thereby, this cover 18 can be made to function as a wall surface material by the cover 18 which covers at least one surface of the said polystyrene foam block 12, and the weight of the said wall body 8 is reduced compared with the conventional one. It is not necessary to improve the strength of the foundation 6 portion that supports the wall body 8, there is no fear of increasing the cost of foundation work, and the cost can be reduced, which is economically advantageous.

  In addition, when the lightweight embankment structure 4 is used, foundation work or lamination work of the polystyrene foam block 12 is necessary, but the wall body 8 can be formed by simply laminating the polystyrene foam block 12 to which the cover 18 is fixed. Since it is formed, it does not require conventional wall formation work and can improve the workability.

  Furthermore, the cover 18 can prevent deterioration of the foamed polystyrene block 12 due to ultraviolet rays and can improve the fire resistance of the foamed polystyrene block 12, which is advantageous in practice.

  Furthermore, when the lightweight embankment structure 4 is constructed, by using a lightweight polystyrene block 12 or cover 18 without using heavy pillars and wall materials, carrying-in work becomes easy. There is no need to construct a new construction road or use heavy machinery, which is practically advantageous.

  5 and 6 show a second embodiment of the present invention. In FIG. 5, 42 is the ground and 44 is a lightweight embankment structure.

  When constructing the lightweight embankment structure 44, the foundation 46 is constructed on the ground 42, the slope 48 is constructed, and the wall body 50 is erected on the foundation 46.

  As shown in FIGS. 5 and 6, the wall body 50 has a column 52 made of H steel or the like standing on the foundation 6.

  Then, between the back surface 58 and the slope 48 of the wall 50, a polystyrene block 60 formed in a three-dimensional shape with a predetermined dimension is laminated by using a fastening fitting (not shown). A state is formed and the embankment body 62 is constructed.

  At this time, the foamed polystyrene block 60 is formed in a predetermined three-dimensional shape, for example, a rectangular parallelepiped shape, and a cover 64 that covers at least one surface of the foamed polystyrene block 60 is provided, and the cover 64 functions as a wall material. To do.

  More specifically, the wall 50 includes a column 52 erected on the foundation 46 and a cover 64 that covers at least one surface of the polystyrene foam block 60 formed in a rectangular parallelepiped shape.

  The shape of the polystyrene foam block 60 is described as being formed in a rectangular parallelepiped shape, but may be a cube or other shapes.

  Then, the cover 64 is formed into a plate shape with a polymer (also referred to as “polymer”) resin (see reference numeral 18 in FIG. 4), and one surface side of the polystyrene foam block 60 is covered with the cover 64. (See reference numeral 18 in FIG. 1).

  At this time, it is necessary to use the cover 64 having a different shape depending on the position. That is, when the polystyrene block 60 is located at a corner, it is necessary to have a shape that covers not only the surface portion of the foam block 60 but also one of the left and right side portions, that is, an L-shape that covers two surfaces. In addition, when the construction width is approximately the same as the width of the polystyrene foam block 60, the shape covers not only the surface portion of the foam block 60 but also the left and right side portions, that is, the C shape covering the three surfaces. It needs to be shaped.

  When embedding the support column 52 erected on the foundation 46 inside the wall body 50, for example, as shown in FIG. 6, notch recesses 80 are formed on both side portions of the polystyrene foam block 60. A method of stacking the polystyrene foam block 60 so that the support column 52 is positioned in the recess 80 can be considered.

At this time, the following can be considered as modified examples for improving the support rigidity of the wall body 50.
(1) The support column 52 is connected to an anchor embedded in the ground 42 using a tensile material.
(2) The cross-sectional shape of the support column 52 is changed to, for example, a T-shape, and the shape of the engagement portion of the support column 52 with each foamed polystyrene block 60 is changed to an L shape so that the expanded polystyrene block 60 is engaged. The engagement strength between the support column 52 and the polystyrene foam block 60 is increased, and the connection workability between the support column 52 and the anchor embedded in the ground 2 is also considered.
(3) The end portion (including the “connecting arm portion”) of the cover body 64 is fixed to the support column 52 with a fixture (not shown).
(4) A band-like, string-like or net-like metal member that crosses the cover body 64 in the horizontal direction is embedded in the cover body 64, and both ends of the metal member are attached to the column 52.

  Reference numeral 82 denotes a gap between the slope 48 and the polystyrene block 60 when the foam block 60 is laminated between the back surface 58 of the wall 50 and the slope 48 of the ground 42. It is crushed stone.

  Next, the operation will be described.

  When constructing the lightweight embankment structure 44, as shown in FIG. 5, the foundation 46 is constructed on the ground 42 at the site, the slope 48 is constructed, and the wall body 50 is erected on the foundation 46.

  That is, the column 52 is erected on the foundation 46 and the polystyrene block 60 is laminated to form the wall body 50 on the foundation 46.

  At this time, the side located on the surface of the wall body 50 of the polystyrene foam block 60 is covered with the main body 66 of the cover body 64.

  Then, between the back surface 58 of the wall body 50 and the slope 48 of the ground 42, a polystyrene foam block 60 with the cover body 64 fixed is laminated so as to be positioned on the surface of the wall body 50, and embankment A body 62 is formed.

  Thereafter, on the formed embankment body 62, as shown in FIG. 5, for example, the upper portion of the support column 52 is covered with the top end concrete 84, and the floor board 86 is installed on the upper surface of the polystyrene foam block 60. By constructing 88 and the pavement 90, the construction of the lightweight embankment structure 44 is completed.

  Thereby, this cover 64 can be made to function as a wall surface material by the cover 64 which covers at least one surface of the said polystyrene foam block 60, and the weight of the said wall body 50 is reduced compared with the conventional one. Therefore, it is not necessary to improve the strength of the foundation 46 portion that supports the wall body 50, there is no fear of increasing the cost of foundation work, and the cost can be reduced, which is economically advantageous.

  Further, when the lightweight embankment structure 44 is used, foundation work or lamination work of the polystyrene foam block 60 is necessary, but the wall body 50 can be formed by simply laminating the polystyrene foam block 60 to which the cover 64 is fixed. Since it is formed, it does not require conventional wall formation work and can improve the workability.

  Further, the cover 64 can prevent deterioration of the foamed polystyrene block 60 due to ultraviolet rays and can improve the fire resistance of the foamed polystyrene block 60, which is practically advantageous.

  As a first modification of the first and second embodiments described above, as shown in FIG. 7, the cover plate 92 is folded between the main body portion 94 and the first to fourth connection arm portions 96, 98, 100, 102. A configuration in which the portion 104 is provided is also possible.

  In this case, as shown in FIG. 8, the folded-back portion 104 can cause the housing recess 106 to appear when applying the surface decoration to the cover plate 92, which can contribute to prevention of the fall off of the surface decoration.

  Further, as a second modification of the first and second embodiments, as shown in FIGS. 9 and 10, a cover plate 112, a main body 114, and a first connection arm portion 116 positioned above the main body 114 are used. And third and fourth connecting arm portions 118 and 120 located on the left and right of the main body 114 may be provided.

  That is, the second connecting arm portion located below the main body portion 114 is not provided.

  As shown in FIG. 10, a gap 124 for the shrink joint material 122 is provided at the lower ends of the third and fourth connecting arm portions 118 and 120 located on the left and right sides of the main body 114 and in the vicinity of the connection portion to the main body 114. Secure.

  Then, the cover plate 112 that does not have the second connecting arm portion located below the main body portion 114 and the shrink joint material 122 of the gap 124 cause the main body portion 114 of the cover plate 112 to be displaced with respect to the displacement of the polystyrene foam block 12. It is possible to improve followability.

  FIG. 11 shows a third embodiment of the present invention. In the third embodiment, the same reference numerals are given to the portions having the same functions as those in the first embodiment.

  The feature of the third embodiment is that the cover plate 132 is formed in a circular arc shape in order to follow the displacement of the polystyrene foam block 12.

  That is, as shown in FIG. 11, the main body 134 of the cover plate 132 is formed in a circular arc shape in cross section.

  At this time, the main body part 134 of the cover plate 132 is formed with a first connection arm part 136 positioned above the main body part 134 and a second connection arm part 138 positioned below the main body part 134. The third and fourth connecting arm portions located on the left and right of the portion 134 are arbitrarily provided.

  Then, in order to follow the displacement of the polystyrene foam block 12, the main body portion 134 of the cover plate 132 is formed in a circular arc shape in advance so that the main body of the cover plate 132 with respect to the displacement of the polystyrene foam block 12 is obtained. The portion 134 can be easily deformed, and the followability of the body portion 134 of the cover plate 132 with respect to the displacement of the polystyrene foam block 12 can be further structured. In addition to the effects described in the first embodiment, A restoring force is applied to the main body portion 134 of the cover plate 132 formed in an arc shape in cross section, and deformation of the wall body by the cover plate 132, that is, the surface portion of the lightweight embankment structure can be prevented as much as possible. It is possible to contribute to maintaining the aesthetic appearance, that is, the appearance of the surface portion of the structure.

  FIG. 12 shows a fourth embodiment of the present invention.

  The feature of this fourth embodiment is that the lower end of the cover plate 142 located in the upper layer is overlapped with the cover plate 142 located in the lower layer so as to follow the displacement of the polystyrene foam block 12. It is in the point.

  That is, the cover plate 142 is formed by the main body portion 144 and the connecting arm portion 146 located above the main body portion 144, and the vertical dimension of the main body portion 104 is made larger than the thickness of the polystyrene foam block 12. Is.

  When a plurality of the polystyrene foam blocks 12 are stacked, as shown in FIG. 12, the polystyrene foam located in the upper layer is formed on the surface of the main body portion 144a of the cover plate 142a fixed to the foam polystyrene block 12a located in the lowermost layer. The cover plate 142b fixed to the manufacturing block 12b is overlapped in a state where the lower ends of the main body portions 144b overlap with each other, and sequentially laminated to obtain a scale shape.

  In this case, the lower end of the main body portion 144 of the cover plate 142 is overlapped to form a scale, whereby the followability of the main body portion 144 of the cover plate 142 to the displacement of the polystyrene foam block 12 can be further structured. In addition, since the main body portion 144 of the cover plate 142 is not pressed, a member having a small elastic deformation amount can be used, and the surface of the main body portion 144 of the cover plate 142 has a reflection or diffusion function. If the mineral or metallic material which has is stuck, it can contribute to the further improvement of the beauty | look of the surface site | part of a lightweight embankment structure, ie, an external appearance.

  FIG. 13 shows a fifth embodiment of the present invention.

  This fifth embodiment is characterized in that a hinge 154 is provided in the middle of the cover plate 152 in order to follow the displacement of the polystyrene foam block 12.

  That is, as shown in FIG. 13, a hinge 154 is provided at a portion where the main body 156 of the cover plate 152 is vertically divided into two.

  At this time, the main body portion 156 of the cover plate 152 is formed with a first connection arm portion 158 positioned at the upper portion of the main body portion 156 and a second connection arm portion 160 positioned at the lower portion of the main body portion 156, The third and fourth connecting arm portions located on the left and right of the portion 156 are arbitrarily provided.

  In other words, in order to follow the displacement of the polystyrene foam block 12, by providing a hinge 154 in a portion that divides the main body 156 of the cover plate 152 into two parts vertically, when the polystyrene block 12 is displaced, As shown by a one-dot chain line in FIG. 13, the main body 156 of the cover plate 152 operates so as to protrude around the hinge 154, and the followability of the main body 156 of the cover plate 152 with respect to the displacement of the polystyrene foam block 12 is further increased. Can be structured.

  The present invention is not limited to the first to fifth embodiments described above, and various application modifications can be made.

  For example, in the second embodiment of the present invention, when the side of the styrofoam block located on the surface of the wall is covered with the body of the cover, the first connecting arm portion of the cover is fixed with the fixing pin. And fixing the second connection arm part to the lower surface of the foam block through the fixing hole with a fixing pin, and fixing the third connection arm part to the upper surface of the foam block. And the third lower connecting arm portion are fixed to the left side surface of the polystyrene foam block by a fixing pin through a fixing hole, and the fourth upper connecting arm portion and the fourth lower connecting arm portion of the fourth connecting arm portion are Is fixed to the right side surface of the polystyrene foam block with a fixing pin through the fixing hole, and the polystyrene foam block with the cover fixed is laminated, but when the polystyrene block is laminated on each connecting arm portion It is also possible to special configuration for adding Tightened function of improving the supporting rigidity.

  That is, a large number of concave portions for engagement or convex portions for engagement are formed on each of the connection arm portions, and the concave portions for engagement and the convex portions for engagement of adjacent connection arm portions are engaged with each other when the polystyrene foam blocks are laminated.

  Then, it becomes possible to firmly support the laminated polystyrene blocks by engaging the engaging concave portions or the engaging convex portions formed on the respective connecting arm portions, and improve the support rigidity when the foam blocks are laminated. This is practically advantageous.

  Further, in the first embodiment of the present invention, when the surface of the polystyrene foam block 12 is covered with the cover 18, the cover 18 is attached in close contact with the polystyrene block 12 as shown in FIG. Although it was set as the structure, it is also possible to set it as the special structure which provides the fireproof improvement means which improves a fireproof performance between the block 12 and the cover body 18 made from a polystyrene foam.

  That is, when the surface of the polystyrene foam block 12 is covered with the cover 18, as shown in FIG. 14 (b), the cover 18 is attached a little apart from the polystyrene block 12, and the polystyrene block 12 and the cover are attached. A gap portion 172 is provided between the first and second portions 18, and the gap portion 172 functions as the fire resistance improving means.

  Alternatively, when the surface of the polystyrene foam block 12 is covered with a cover 18, as shown in FIG. 14 (c), the cover 18 is attached with being slightly separated from the foam block 12, and the polystyrene block 12 and the cover are attached. A gap is made to appear between the heat shield 18 and a heat shield 174 is interposed in the gap so that the heat shield 174 functions as the fire resistance improving means.

  Then, the heat acting on the surface of the foamed polystyrene block 12 from the outside of the cover 18 can be efficiently cut off by the gap 172 or the heat shield 174 functioning as the fire resistance improving means, which is practically advantageous. is there.

  Furthermore, in the second embodiment of the present invention, the struts erected on the foundation are formed of H steel. However, in addition to H steel, that is, H-shaped steel, square steel (including those having a rectangular cross section) and the like. Round steel (including polygons with a pentagonal cross section or more), equilateral or unequal angle iron, I-shaped steel, lightweight steel (including light groove steel and lip groove steel), ERP, PVC, plastic It is also possible to use post materials such as.

1 is a schematic perspective view of a polystyrene foam block showing a first embodiment of the present invention. It is a schematic front view of a lightweight embankment structure. It is a schematic sectional drawing of a lightweight embankment structure. It is a top view of a covering. It is a schematic sectional drawing of the lightweight banking structure which shows 2nd Example of this invention. It is a schematic plan view explaining the support | pillar and cover which comprise a wall. It is a top view of the cover which shows the modification 1 of 1st and 2nd Example of this invention. It is a principal part expanded sectional view at the time of attaching a cover to the block made from a polystyrene foam. It is a top view of the cover which shows the modification 2 of 1st and 2nd Example of this invention. It is a right view at the time of attaching a cover to the block made from a polystyrene foam. It is a right view at the time of attaching the cover which shows 3rd Example of this invention to the block made from a polystyrene foam. It is a right view when the cover which shows 4th Example of this invention is attached to the block made from a polystyrene foam, and was laminated | stacked. It is a right view at the time of attaching the cover which shows 5th Example of this invention to the block made from a polystyrene foam. Another embodiment of the present invention is shown, wherein (a) is an enlarged cross-sectional view of a main part when the cover is attached in close contact with the foamed polystyrene block, and (b) is a little apart from the foamed polystyrene block. FIG. 4C is an enlarged cross-sectional view of a main part when the cover is attached, and FIG. 5C is an enlarged cross-sectional view of the main part in a state where the cover is slightly separated from the polystyrene block and a heat shield is interposed in the gap. It is a schematic explanatory perspective view of the construction situation of the lightweight banking structure which shows the prior art of this invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 2 Ground 4 Lightweight embankment structure 6 Foundation 8 Wall body 10 Back surface 12 Styrofoam block 14 Embankment body 16 Floor board 18 Cover body 20 Main body part 20-1 Upper main body part 20-2 Lower main body part 22 1st connection arm part 24 2nd connection Arm part 26 Third connection arm part 26-1 Third upper connection arm part 26-2 Third lower connection arm part 28 Fourth connection arm part 28-1 Fourth upper connection arm part 28-2 Fourth lower connection arm part 30 Folding part

Claims (3)

  The foundation is constructed on the ground and the slope is constructed, and a wall body constructed by connecting a plurality of wall materials is erected on the ground, and the foam is made between the back surface of the wall body and the slope of the ground. In the lightweight embankment structure in which the embankment body is formed by stacking blocks, the foamed polystyrene block is formed into a predetermined three-dimensional shape, and a cover is provided to cover at least one surface of the foamed polystyrene block, and the cover is attached to the wall surface. A wall material with a lightweight embankment structure characterized by having a structure that functions as a material.   2. The wall material of a lightweight embankment structure according to claim 1, wherein the wall body is made of a cover body that covers at least one surface of a polystyrene foam block.   2. The wall material of a lightweight embankment structure according to claim 1, wherein the wall body includes a support column erected on a foundation and a cover body covering at least one surface of a polystyrene foam block.

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