JP4117845B2 - External structure and L-shaped member for external structure - Google Patents

Description

  The present invention relates to an exterior structure such as a gate and a fence made of a plurality of blocks, and an L-shaped member for the exterior structure.

  It is well known to manufacture an exterior structure such as a gate or a fence using a plurality of blocks.

  Various designs are required for such an external structure.

  Patent Document 1 discloses a block masonry structure in which blocks are assembled using a plate-like horizontal reinforcing structure and a fastener.

  Patent Document 2 shows a building block in which vertical bars are passed between both left and right ends and stacked on the upper surface through horizontal bars.

As described above, the conventional exterior structure is configured by stacking blocks in order from the bottom.
JP 9-21199 A JP-A-11-81522

  The completed exterior structure is usually composed of blocks spread all over. A rectangular frame (panel) or the like may be provided inside the exterior structure, but the design of the exterior structure is limited.

  The exterior structure manufactured by another method, the RC structure, or the structure in which the inorganic board is attached to the steel frame allows various designs, but increases the manufacturing cost. In particular, in a structure in which an inorganic board is attached to a steel frame, it is difficult to manufacture an external structure with a free design because anchor bolts cannot be attached except where the steel core is located.

  Accordingly, an object of the present invention is to provide an external structure and various L-shaped members for the external structure that can adopt various designs at low cost.

  Examples of the solving means of the present invention are as follows.

(1) It has a plurality of blocks (14, 14a, 54) and an L-shaped member (12, 32, 52), and the L-shaped member (12, 32, 52) has a longitudinal portion (16, 36, and 56), has one end connected perpendicularly to to lateral portions of the longitudinal portion thereof (16,36,56) (18,38,58), longitudinal portion (16,36,56) is upright And the lateral portions (18, 38, 58) are positioned on the upper side and are arranged in the horizontal direction, and at least of the longitudinal portions (16, 36, 56) and the lateral portions (18, 38, 58) The block (14, 14a, 54) is supported by one support surface (16a, 16b, 18a, 36a, 36b, 38a, 56b, 58a), and the longitudinal direction of the L-shaped member (12, 32, 52) The lower end of the part (16, 36, 56) is embedded in the ground (20) Exterior structure being fixed.

(2) The lateral portion (18, 38, 58) has an upper support surface (18a, 38a, 58a) as a support surface on the upper side, and the width of the upper support surface (18a, 38a, 58a) is The aforementioned exterior structure, characterized in that it is constructed substantially equal to a multiple of the width of the blocks (14, 54).

(3) The longitudinal part (16, 36, 56) has an outer support surface (16b, 36b, 56b) as a support surface on the side opposite to the side to which the lateral part (18, 38, 58) is directed. And the length of the outer support surface (16b, 36b, 56b) is configured to be substantially equal to a multiple of the height of the block (14, 54), except for the part that enters the ground. The aforementioned exterior structure characterized.

(4) The longitudinal portion (16, 36) has an outer support surface (16b, 36b) as a support surface on the side opposite to the side to which the lateral portion (18, 38) is directed, and its outer support. The block (14) is arranged in contact with the surface, the longitudinal part (16, 36) being on the same side as the side to which the transverse part (18, 38) is directed as the inner support surface (16a). 36a), and a further block (14a) is arranged in contact with the inner support surfaces (16a, 36a) of the outer structure described above.

(5) The outer structure described above, wherein the thickness of the L-shaped member (12, 32, 52) is substantially equal to the thickness of the block (14, 14a, 54).

(6) The exterior structure described above, wherein the blocks (14, 14a, 54) are composed of one or more types of concrete blocks, glass blocks, and bricks.

(7) The exterior structure according to any one of claims 1 to 6, wherein the L-shaped member is a structural material to which an inorganic board is attached .

(8) The longitudinal portion (16, 36) has an inner support surface (16a, 36a) as a support surface on the same side as the side to which the lateral portion (18, 38) is directed, and the inner support surface A further block (14a) is supported by (16a, 36a) and is open to the area enclosed by the longitudinal part (16, 36), the transverse part (18, 38) and the further block (14a). The outer structure described above, wherein the side ends (22, 42) are formed.

(9) The longitudinal portion (16, 36) has an inner support surface (16a, 36a) as a support surface on the same side as the side to which the lateral portion (18, 38) is directed, and the inner support surface A further block (14a) is supported on (16a, 36a) and on the opposite side of the further block (14a) from the longitudinal part (16, 36) the block (14) is at least a lateral part (18, 38). ) And is arranged in a rectangular shape in an area surrounded by the vertical portion (16, 36), the horizontal portion (18, 38), the block (14), and the further block (14a). The exterior structure described above, wherein a space is formed.

(10) An L-shaped member for supporting the block (14, 14a, 54), and at one end of the longitudinal portion (16, 36, 56) and the longitudinal portion (16, 36, 56). The vertical portions (18, 38, 58) are connected vertically, and the thicknesses of the vertical portions (16, 36, 56) and the horizontal portions (18, 38, 58) are both block (14, 14a, 54) is substantially equal in thickness to the lower end of the longitudinal portion (16, 36, 56) of the L-shaped member (12, 32, 52) embedded in the ground (20). L-shaped member fixed .

(11) The lateral portion (18, 38, 58) has an upper support surface (18a, 38a, 58a) for supporting the block (14, 54) on the upper side, and the upper support surface (18a, 38. The L-shaped member described above, wherein the width of 38a, 58a) is configured to be substantially equal to a multiple of the width of the block (14, 54).

(12) Outer support surface (16b) for supporting the block (14, 54) on the opposite side of the longitudinal portion (16, 36, 56) to the side of the transverse portion (18, 38, 58). 36b, 56b), and the length of the outer support surface (16b, 36b, 56b) is substantially a multiple of the height of the block (14, 54) except for the part that enters the ground. The L-shaped member as described above, which is configured equally.

(13) The lateral portions (18, 38, 58) have upper support surfaces (18a, 38a, 58a) for supporting the blocks (14, 54) on the upper side, and the upper support surfaces (18a, The above-mentioned L-shaped member, wherein the width of 38a, 58a) is equal to or greater than the width of the block (14, 54).

  ADVANTAGE OF THE INVENTION According to this invention, the exterior structure which employ | adopted various designs at low cost can be provided.

  For example, a desired design can be obtained by arbitrarily combining L-shaped members and blocks. Further, the external structure can be configured by appropriately changing the dimension of the L-shaped member. In this case, the L-shaped member can be easily cut into various dimensions as necessary. In particular, the L-shaped member is less expensive to manufacture than conventional rectangular frames (panels) and the like, is highly versatile, and can easily diversify the design of the exterior structure.

  If the width of the upper support surface of the lateral portion is configured to be substantially equal to a multiple of the width of the block, the blocks are arranged in an orderly manner with respect to the L-shaped member, and the exterior structure is excellent in appearance. Can be manufactured.

  If the length of the outer support surface of the vertical part is configured to be substantially equal to a multiple of the height of the block except for the part that enters the ground, the block is in relation to the L-shaped member. An exterior structure that is arranged in an orderly manner and has a good appearance can be manufactured.

  The block is arranged in contact with the outer support surface of the longitudinal part, the longitudinal part has an inner support surface as a support surface on the same side as the side to which the lateral part is directed, and the inner support surface If the configuration is such that further blocks are in contact with each other, it is possible to provide an external structure that is L-shaped and that is integrated with the exterior in which L-shaped members are included in the blocks.

  When the thickness of the L-shaped member is substantially equal to the thickness of the block, it can be used in combination with a normal masonry method using a hollow concrete block or brick.

  If a further block is supported on the inner support surface of the longitudinal part and an open side end is formed in the area surrounded by the longitudinal part, the lateral part and the further block, the side of the exterior structure It becomes easy to adopt various designs. The open side end provided on the side can be used as it is as the design of the external structure, or the open side end provided on the side is attached with another component as the design of the external structure. It can also be used. In this case, a large number of additional blocks may be arranged to form a narrow open side end, or a small number of additional blocks may be arranged to form a wide open side end.

  A further block is supported on the inner support surface of the longitudinal part, and the block is stacked and arranged at least at the height of the lateral part on the opposite side of the longitudinal part of the further block, the longitudinal part, If a space is formed in the region surrounded by the horizontal portion, the block, and the further block, a space (window) can be formed in the exterior structure without using a rectangular frame (panel). In this case, a large number of additional blocks may be arranged to form a narrow space (window), or a small number of additional blocks may be arranged to form a wide space (window).

  If the width of the upper support surface provided on the upper side of the lateral portion is equal to or greater than the width of the block, it is easy to cut the L-shaped member into various dimensions as necessary.

  Thus, according to the exterior structure of the present invention, it becomes easy to adopt a design that has been difficult with a conventional construction method, for example, a conventional masonry method.

  The exterior structure according to the best mode of the present invention includes a plurality of blocks and an L-shaped member. The L-shaped member includes a longitudinal portion and a lateral portion that is vertically connected to one end of the longitudinal portion. The vertical portion is upright, and the horizontal portion is located on the upper side and arranged in the horizontal direction. The block is supported on at least one support surface of the vertical portion and the horizontal portion.

  Preferably, the lateral portion has an upper support surface as a support surface on the upper side, and the width of the upper support surface is configured to be substantially equal to a multiple of the width of the block.

  The longitudinal portion has an outer support surface as a support surface on the opposite side of the lateral portion, and the length of the outer support surface is configured to be substantially equal to a multiple of the block height. It is preferable.

  The vertical portion has an outer support surface as a support surface on the side opposite to the side to which the horizontal portion is directed, the block is in contact with the outer support surface, and the vertical portion is in the horizontal direction. Preferably, it has an inner support surface as a support surface on the same side as the side to which the part is directed, and a further block is arranged in contact with the inner support surface.

  The thickness of the L-shaped member is preferably configured to be substantially equal to the thickness of the block.

  It is preferable that the block is comprised by 1 type or multiple types among a concrete block, a glass block, and a brick.

  The longitudinal portion has an inner support surface as a support surface on the same side as the side to which the lateral portion is directed, and further blocks are supported on the inner support surface, the longitudinal portion, the lateral portion, The open end is preferably formed in a region surrounded by a further block.

  The longitudinal part has an inner support surface as a support surface on the same side as the side to which the transverse part is directed, and a further block is supported on the inner support surface, and the longitudinal part of the further block It is preferable that the blocks are stacked and arranged at least up to the height of the lateral portion on the opposite side, and a space is formed in a region surrounded by the longitudinal portion, the lateral portion, the block, and a further block. .

  Furthermore, the L-shaped member of the present invention is an L-shaped member for supporting the block, and includes a vertical portion and a horizontal portion connected perpendicularly to one end of the vertical portion, and the vertical portion. The thickness of the lateral part is characterized by being substantially equal to the thickness of the block.

  Preferably, the lateral portion has an upper support surface for supporting the block on the upper side, and the width of the upper support surface is configured to be substantially equal to a multiple of the block width.

  The longitudinal portion has an outer support surface for supporting the block on the opposite side of the lateral portion, and the length of the outer support surface is the block except for the portion entering the ground. Preferably, it is configured to be substantially equal to a multiple of the height. For example, it is preferable that the length of the portion entering the ground is set to a predetermined length in advance, and the remaining length is substantially equal to a multiple of the block height as the length of the outer support surface.

  The exterior structure of the present invention can be applied to various structures such as fences and wall surfaces in addition to gates and fences.

  As in the embodiment described below, the L-shaped member is preferably stabilized by fixing the vertical portion to the ground. However, the L-shaped member may be fixed to the ground using an arbitrary fixing member.

  As in the embodiment described below, it is preferable to provide a support surface for supporting the block on the two side surfaces of the vertical portion and the upper surface of the horizontal portion. The supporting surface of the longitudinal part is provided on the same side as the side to which the lateral part is directed, on the side opposite to the side to which the lateral part is directed, as in the embodiment shown below. Preferably, it is composed of the outer support surface provided, but it may also be composed of the lateral side directed side and the vertical side surface. A support surface for supporting the block may be provided only on the side surface of the vertical portion.

  The L-shaped member of the present invention is composed of an iron structural material partially bonded with an inorganic (cement-based) board on the surface in the following embodiments, but any other rigid body A member can also be used.

  The thickness of the longitudinal part and the transverse part is preferably configured to be substantially equal to the thickness of the block. When the member is made of an iron structural material and an inorganic (cement-based) board is partially attached to the surface as in the example shown below, the thickness of the member including the board is the thickness of the block. Are preferably configured to be equal to each other.

  In the embodiments described below, the blocks are shown as concrete blocks and glass blocks, but may be composed of various blocks such as bricks or a combination of a plurality of these.

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

  FIG. 1 shows an example of the exterior structure according to the present invention. FIG. 2 is a schematic perspective view showing an example of an L-shaped member.

  The exterior structure 10 includes two L-shaped members 12 and a plurality of blocks 14.

  The L-shaped member 12 is made of an iron structural material, and an inorganic (cement-based) board is partially attached to the surface (not shown). The block 14 is composed of a concrete block. The thickness of the L-shaped member 12 is configured to be substantially equal to the thickness of the block 14. In the example shown in FIGS. 1 and 2, the thickness of the L-shaped member 12 including the inorganic (cement-based) board is configured to be equal to the thickness of the block 14.

  The L-shaped member 12 includes a vertical portion 16 and a horizontal portion 18 that is vertically connected to one end of the vertical portion 16. Both the vertical portion 16 and the horizontal portion 18 are rectangular in cross section. The L-shaped member 12 is arranged in a state where the vertical portion 16 stands upright and the horizontal portion 18 is positioned on the upper side and is in the horizontal direction.

  The longitudinal portion 16 has an inner support surface 16a on the same side as the side to which the transverse portion 18 is directed. A further narrow block 14a can be arranged in contact with the inner support surface 16a. In the example shown in FIG. 1, two narrow blocks 14a are arranged in contact with the inner support surface 16a.

  The longitudinal portion 16 has an outer support surface 16b on the opposite side of the lateral portion 18 from which it is directed. The block 14 can be disposed in contact with the outer support surface 16b. In the example shown in FIG. 1, six blocks 14 are arranged in contact with the outer support surface 16b. In this case, the length of the outer support surface 16b is configured to be substantially equal to six times the height of the block 14 except for a portion that enters the ground.

  The lateral portion 18 has an upper support surface 18a on the upper side. The block 14 can be placed and supported on the upper support surface 18a. In the example shown in FIG. 1, one block 14 is placed and supported on the upper support surface 18a. In this case, the width of the upper support surface 18 a is configured to be approximately equal to one time the width of the block 14.

  The two L-shaped members 12 are installed on the ground 20 with the lateral portions 18 facing each other. The lower end of the vertical portion 16 of the L-shaped member 12 is embedded in the ground 20 (not shown) and fixed.

  An open end 22 is formed in a region surrounded by the vertical portion 16, the horizontal portion 18, and the narrow block 14 a. Using the open end 22, the exterior structure 10 can be configured in various designs. The open side end 22 may be used as it is for the design of the external structure 10, or a structure in which another component is attached to the open side end 22 may be used for the design of the external structure 10. If an example of a dimension is given, the length of the vertical direction of the L-shaped member 12 including an underground part will be 1600 mm, for example. The maximum lateral width of the L-shaped member 12 is substantially the same as the width of the block 14. Although not shown, for example, a further block 14 is arranged on the opposite side of the longitudinal portion 16 of the narrow block 14a, and the further block 14 is assembled at least to the height of the lateral portion 18. A space may be formed in a region surrounded by the vertical portion 16, the horizontal portion 18, the block 14 a, and the further block 14.

  FIG. 3 shows another example of the exterior structure according to the present invention. In addition, the same code | symbol is attached | subjected to the same member as FIG.1 and FIG.2.

  The exterior structure 30 includes one L-shaped member 32 and a plurality of blocks 14.

  The L-shaped member 32 is made of an iron structural material, and an inorganic (cement-based) board is partially attached to the surface (not shown). The block 14 is composed of a concrete block. The thickness of the L-shaped member 32 is configured to be substantially equal to the thickness of the block 14. In the example shown in FIG. 3, the thickness of the members including the board is equal to the thickness of the block 14.

  The L-shaped member 32 includes a vertical portion 36 and a horizontal portion 38 that is vertically connected to one end of the vertical portion 36. Both the vertical portion 36 and the horizontal portion 38 are rectangular in cross section. The L-shaped member 32 is arranged in a state where the vertical portion 36 stands upright and the horizontal portion 38 is positioned on the upper side and is in the horizontal direction.

  The longitudinal portion 36 has an inner support surface 36a on the same side as the side to which the lateral portion 38 is directed. A further narrow block 14a can be arranged in contact with the inner support surface 36a. In the example shown in FIG. 3, two narrow blocks 14a are arranged in contact with the inner support surface 36a.

  The longitudinal portion 36 has an outer support surface 36b on the opposite side of the lateral portion 38 from which it is directed. The block 14 can be disposed in contact with the outer support surface 36b. In the example shown in FIG. 3, seven blocks 14 are arranged in contact with the outer support surface 36b in two rows. In this case, the length of the outer support surface 36b is configured to be substantially equal to seven times the height of the block 14 except for a portion that enters the ground.

  The lateral portion 38 has an upper support surface 38a on the upper side. The block 14 can be placed and supported on the upper support surface 38a. In the example shown in FIG. 3, one block 14 is placed and supported on the upper support surface 38a. In this case, the width of the upper support surface 38 a is configured to be approximately equal to one time the width of the block 14.

  The L-shaped member 32 is installed on the ground 20 with the lateral portion 38 oriented in the horizontal direction. The lower end of the longitudinal portion 36 of the L-shaped member 32 is embedded in the ground 20 (not shown) and fixed.

  An open end 42 is formed in a region surrounded by the vertical portion 36, the horizontal portion 38, and the narrow block 14a. The open end 42 is larger than the open end 22 shown in FIG. Using this relatively large open end 42, the exterior structure 30 can be configured in various designs. The relatively large open side end 42 may be used as it is for the design of the exterior structure 30, or a structure in which another component is attached to the relatively large open side end 42 may be used for the design of the exterior structure 30. Also good. If an example of a dimension is given, the length of the vertical direction of the L-shaped member 32 including an underground part will be 1800 mm, for example. The maximum lateral width of the L-shaped member 32 is substantially the same as the width of the block 14. Although not shown, for example, a further block 14 is arranged on the side opposite to the longitudinal portion 36 of the narrow block 14a, and the further block 14 is assembled to at least the height of the lateral portion 38. A space can also be formed in a region surrounded by the vertical portion 36, the horizontal portion 38, the block 14a, and the further block 14.

  FIG. 4 shows still another example of the exterior structure according to the present invention.

  The exterior structure 50 includes one L-shaped member 52 and a plurality of blocks 54.

  The L-shaped member 52 is composed of an arbitrary rigid member. The block 54 is composed of a glass block. The thickness of the L-shaped member 52 is configured to be equal to the thickness of the block 54.

  The L-shaped member 52 includes a vertical portion 56 and a horizontal portion 58 that is vertically connected to one end of the vertical portion 56. Both the vertical portion 56 and the horizontal portion 58 are rectangular in cross section. The L-shaped member 52 is used in a state where the vertical portion 56 stands upright and the horizontal portion 58 is positioned on the upper side and is arranged in the horizontal direction.

  The longitudinal portion 56 has an outer support surface 56b on the opposite side of the lateral portion 58 from the side directed. The block 54 can be disposed in contact with the outer support surface 56b. In the example shown in FIG. 4, four blocks 54 are arranged in contact with the outer support surface 56b over four rows. In this case, the length of the outer support surface 56b is configured to be substantially equal to four times the height of the block 54 except for a portion that enters the ground.

  The lateral portion 58 has an upper support surface 58a on the upper side. The block 54 can be placed on and supported by the upper support surface 58a. In the example shown in FIG. 4, three blocks 54 are placed and supported on the upper support surface 58a in two stages. In this case, the width of the upper support surface 58 a is configured to be approximately three times the width of the block 54.

  The L-shaped member 52 is fixed to the ground 20 by using fixing means (not shown) with the lateral portion 58 oriented in the horizontal direction.

  An open end 62 is formed in a region surrounded by the vertical portion 56 and the horizontal portion 58. Using the open end 62, the exterior structure 50 can be configured in various designs. The open side end 62 may be used as it is for the design of the external structure 50, or another component attached to the open side end 62 may be used for the design of the external structure 50. Although illustration is omitted, for example, a further block 54 is arranged on the opposite side of the block 54 of the vertical portion 56 with a space therebetween, and the further block 54 is stacked at least up to the height of the lateral portion 58. Thus, a space may be formed in a region surrounded by the vertical portion 56, the horizontal portion 58, and the further block 54.

  The invention is not limited to the illustrated embodiment. The size, number, arrangement, etc. of the blocks and L-shaped members are arbitrary.

An example of the exterior structure by this invention is shown. It is a schematic perspective view which shows an example of an L-shaped member. 4 shows another example of the exterior structure according to the present invention. 6 shows still another example of the exterior structure according to the present invention.

Explanation of symbols

10, 30, 50 External structure 12, 32, 52 L-shaped member 14, 54 Block 14a Narrow block (further block)
16, 36, 56 Longitudinal portion 16a, 36a Inner support surface 16b, 36b, 56b Outer support surface 18, 38, 58 Lateral portion 18a, 38a, 58a Upper support surface 20 Ground 22, 42, 62 Open end

Claims (13)

It has a plurality of blocks (14, 14a, 54) and L-shaped members (12, 32, 52), and the L-shaped members (12, 32, 52) are connected to the longitudinal portions (16, 36, 56). , has one end connected perpendicularly to to lateral portions of the longitudinal portion thereof (16,36,56) (18,38,58), longitudinal portion (16,36,56) is upright, and, The lateral part (18, 38, 58) is located on the upper side and is arranged horizontally, and supports at least one of the longitudinal part (16, 36, 56) and the lateral part (18, 38, 58) The blocks (14, 14a, 54) are supported on the surfaces (16a, 16b, 18a, 36a, 36b, 38a, 56b, 58a), and the longitudinal part (16 of the L-shaped member (12, 32, 52)) , 36, 56) is fixed with the lower end embedded in the ground (20) Exterior structure that is.   The lateral portion (18, 38, 58) has an upper support surface (18a, 38a, 58a) as a support surface on the upper side, and the width of the upper support surface (18a, 38a, 58a) is a block ( 14. The exterior structure according to claim 1, wherein the exterior structure is configured to be substantially equal to a multiple of a width of 14, 54).   The longitudinal part (16, 36, 56) has an outer support surface (16b, 36b, 56b) as a support surface on the opposite side of the side facing the lateral part (18, 38, 58); The length of the outer support surface (16b, 36b, 56b) is configured to be substantially equal to a multiple of the height of the block (14, 54) except for the portion that enters the ground. The exterior structure according to claim 1 or 2.   The longitudinal portion (16, 36) has an outer support surface (16b, 36b) as a support surface on the side opposite to the side to which the lateral portion (18, 38) is directed, and blocks on the outer support surface. (14) are arranged in contact with each other, and the longitudinal portions (16, 36) are arranged on the same side as the side to which the transverse portions (18, 38) are directed as inner support surfaces (16a, 36a). The external structure according to any one of claims 1 to 3, wherein a further block (14a) is arranged in contact with the inner support surfaces (16a, 36a) thereof. Construction.   5. The thickness of the L-shaped member (12, 32, 52) is configured to be substantially equal to the thickness of the block (14, 14 a, 54). The exterior structure described in 1.   The exterior structure according to any one of claims 1 to 5, wherein the block (14, 14a, 54) is composed of one or more of a concrete block, a glass block, and a brick. . The exterior structure according to any one of claims 1 to 6, wherein the L-shaped member is a structural material to which an inorganic board is attached .   The longitudinal portion (16, 36) has an inner support surface (16a, 36a) as a support surface on the same side as the side to which the transverse portion (18, 38) is directed, and the inner support surface (16a, A further block (14a) is supported on 36a) and is open at the end (16, 36), the lateral portion (18, 38) and the area enclosed by the further block (14a) The exterior structure according to any one of claims 1 to 7, wherein 22 and 42) are formed.   The longitudinal portion (16, 36) has an inner support surface (16a, 36a) as a support surface on the same side as the side to which the transverse portion (18, 38) is directed, and the inner support surface (16a, A further block (14a) is supported on 36a), and on the opposite side of the longitudinal part (16, 36) of the further block (14a) the block (14) is at least the height of the lateral part (18, 38). A rectangular space is formed in an area surrounded by the vertical portion (16, 36), the horizontal portion (18, 38), the block (14), and the further block (14a). The exterior structure according to any one of claims 1 to 7, wherein the exterior structure is formed. L-shaped member for supporting the block (14, 14a, 54), vertically connected to the longitudinal part (16, 36, 56) and one end of the longitudinal part (16, 36, 56) The lateral portions (18, 38, 58) are arranged such that the longitudinal portions (16, 36, 56) and the lateral portions (18, 38, 58) are both thicker than the blocks (14, 14a, 54). The lower end of the longitudinal portion (16, 36, 56) of the L-shaped member (12, 32, 52) is embedded and fixed inside the ground (20). L-shaped member that.   The lateral part (18, 38, 58) has an upper support surface (18a, 38a, 58a) for supporting the block (14, 54) on the upper side, and the upper support surface (18a, 38a, 58a). The L-shaped member according to claim 10, characterized in that the width of) is substantially equal to a multiple of the width of the block (14, 54).   An outer support surface (16b, 36b,) for supporting the block (14, 54) on the opposite side of the longitudinal portion (16, 36, 56) to the side of the transverse portion (18, 38, 58). 56b), and the length of the outer support surface (16b, 36b, 56b) is configured to be substantially equal to a multiple of the height of the block (14, 54) except for the part that enters the ground. The L-shaped member according to claim 10 or 11, wherein the L-shaped member is formed.   The lateral part (18, 38, 58) has an upper support surface (18a, 38a, 58a) for supporting the block (14, 54) on the upper side, and the upper support surface (18a, 38a, 58a). The L-shaped member according to claim 10, wherein the width of) is equal to or greater than the width of the block (14, 54).

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