JP2004204566A - Block for constructing retaining wall and retaining wall construction structure - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide blocks for constructing a retaining wall highly suitable for shortening of the construction period of time and its retaining wall construction structure which is adaptable for high productivity in a factory and saves labor of the construction works at a construction site. <P>SOLUTION: A front wall 2 spreading laterally and vertically with the breadthwise dimension W and the vertical dimension H and a pair of buttresses 3, 3 with depth D extending outward with a specified distance in the breadthwise direction of the front wall are integrally molded to form the block 1 for constructing the retaining wall. A depth additional buttress member for additionally constructing in the depth direction or a rear wall member for closing the rear opening side of the pair of buttresses is connected in the depth direction or respective spaces of blocks adjacent breadthwise to each other are connected to each other, Connecting means 4 for these connections are provided. Grooves 5 receiving shelf-boards slanting forward and downward to the front wall side are formed at the mutually opposite faces of the pair of buttresses. <P>COPYRIGHT: (C)2004,JPO&NCIPI

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to, for example, a retaining wall construction block used for forming a retaining wall in revetment work for a river or the like, cliff prevention work along a road or earth retaining work for building a residential area, and in particular, it is produced in a factory, TECHNICAL FIELD The present invention relates to a retaining wall construction block and a retaining wall construction structure in which the retaining wall is constructed by arranging the retaining wall on the left and right sides at a construction site to build up the retaining wall.
[0002]
[Prior art]
As is well known, when a retaining wall is formed to revet rivers, etc., when a retaining wall is formed to prevent cliffs along roads, or when a retaining wall is formed to hold earth when building residential land. In this case, a concrete retaining wall construction block is used. The concrete block for constructing the retaining wall is usually produced in a factory, and the retaining wall is formed at the construction site by arranging the block products in the left-right direction and stacking them upward.
[0003]
Conventionally, the retaining wall building block used as described above is disclosed in, for example, Japanese Patent Application Laid-Open No. Hei 8-18947 or Utility Model Registration No. 3069079. The wall and the retaining wall are separated from each other and are connected and assembled to form a single block by appropriately connecting them, and each one block has a one-stage structure, and the retaining wall has The construction work is complicated and the construction period is prolonged.
[0004]
[Patent Document 1]
JP-A-8-189047 (FIG. 7)
[Patent Document 2]
Registered Utility Model No. 3069079 (FIG. 5)
[0005]
[Problems to be solved by the invention]
Therefore, the present invention has been made to solve the above-mentioned problems found in the above-described conventional technology, and in particular, is adapted to high production in a factory and saves labor of construction work on a construction site side. Accordingly, an object of the present invention is to provide a retaining wall construction block and a retaining wall construction structure which are highly suitable for shortening the construction period.
[0006]
[Means for Solving the Problems]
The present invention achieves the above object. Specifically, the present invention has a front wall extending horizontally and horizontally with a dimension W in a width direction and a dimension H in a height direction, and the front wall behind the front wall. A retaining wall construction block obtained by integrally molding a pair of retaining walls having a depth dimension D extending outward at predetermined intervals in the width direction of the retaining wall, wherein the pair of retaining walls include: A depth extension stay wall member for additionally adding the stay wall in the depth direction or a rear wall member for closing the rear open side of the pair of stay walls is connected in the depth direction, or between each block adjacent in the width direction. A connecting means for connecting in a width direction, a retaining wall construction block provided with a shelf receiving groove which is inclined forward and downward toward the front wall side on opposite surfaces of the pair of buttress walls. Make up.
[0007]
Further, in the present invention, the dimension H in the height direction in the retaining wall construction block is constituted by a height dimension h per one step, and the height dimension H = h is a one-stage retaining wall construction block, and the stacking direction is two. A two-stage integrated retaining wall construction block having a height H = 2h formed integrally with a step, a three-stage one having a height H = 3h formed integrally with three stages in a stacking direction. This constitutes a retaining wall construction block including a body type retaining wall construction block.
[0008]
Furthermore, the present invention is characterized in that the depth depth length D _L of additional buttresses member, the wall ahead S type depth expansion of made in dimension corresponding to the depth D of the pair of buttress in the retaining wall building blocks What constitutes a retaining wall construction block comprising a member and an L-shaped depth extension buttress wall member having a dimension corresponding to a double dimension of the depth dimension D of a pair of retaining walls in the retaining wall construction block. It is.
[0009]
Furthermore, the present invention provides a front wall extending in the width direction W and a height dimension H in the left and right and up and down directions, and behind the front wall, a predetermined distance in the width direction of the front wall. A retaining wall construction block obtained by integrally molding a pair of retaining walls having a depth dimension D extending toward the base member is used as a reference component, and an L-shaped depth extension retaining wall is provided with respect to the retaining wall construction block. A lower-side retaining wall structure portion formed by combining members, an intermediate retaining wall structure portion formed by combining an S-shaped depth extension buttress member with respect to the retaining wall building block, and an upper layer formed by the retaining wall building block. This also constitutes a retaining wall construction structure including a side retaining wall structure.
[0010]
BEST MODE FOR CARRYING OUT THE INVENTION
Hereinafter, a retaining wall construction block and a retaining wall construction structure according to the present invention will be described in detail based on specific embodiments shown in the accompanying drawings.
[0011]
FIG. 1 is a schematic perspective view showing a concrete example of a three-stage integrated retaining wall building block which is a retaining wall building block according to the present invention and is formed by integrally molding three stages in a stacking direction. 2 shows the three-stage integrated retaining wall building block shown in FIG. 1, wherein FIG. 2A is a schematic front view thereof, FIG. 2B is a schematic plan view thereof, and FIG. 2C. Fig. 2D is a schematic right side view, and Fig. 2D is a schematic 2D-2D line sectional view taken along the line 2D-2D in Fig. 2A in the direction indicated by the arrow.
[0012]
On the other hand, FIG. 3 is a schematic view showing a concrete embodiment of a two-stage integrated retaining wall building block according to the present invention, which is a retaining wall building block according to the present invention, in which two stages in the stacking direction are integrally formed. FIG. 4 is a perspective view, and FIG. 4 shows a concrete example of a one-stage retaining wall construction block, which is a retaining wall construction block according to the present invention. It is a schematic perspective view showing an example of a mode of combination of a member, a pair of additional depth retaining wall constituent members, and a rear wall constituent member, and shows the members separated in the combination direction.
[0013]
FIG. 5 is a cross-sectional plan view of a retaining wall building block according to the present invention in which a pair of depth extension buttressing wall components are connected and two adjacent retaining wall building blocks in the width direction are connected and constructed. FIG. 6 is a schematic cross-sectional view showing an embodiment of the present invention. FIG. 6 shows a concrete example of a depth extension retaining wall member for additionally increasing the depth dimension of a retaining wall in the retaining wall building block according to the embodiment of the present invention. 6A is a schematic side view of an S-shaped depth extension buttress member having a short dimension in the depth direction, and FIG. 6B is a view taken along line 6B-6B in FIG. 6A. 6C is a schematic cross-sectional view taken along the line 6B-6B viewed in the direction of the arrow, FIG. 6C is a schematic side view of an L-shaped depth extension buttress member having a long dimension in the depth direction, and FIG. FIG. 6 is a schematic cross-sectional view taken along line 6D-6D taken in the direction indicated by the arrow. That.
[0014]
Next, FIG. 7 shows an embodiment of a retaining wall construction structure using a retaining wall construction block according to the present invention. The three-stage integrated retaining wall construction block shown in FIG. It is a schematic perspective view which shows an example of construction which combined the depth addition stay wall member of (a) and the L-shaped depth addition stay wall member.
[0015]
FIG. 8 shows another construction example using the retaining wall building block according to the present invention. FIG. 8A shows a construction in which a special member is interposed on a partly inclined base. FIG. 8B is a schematic side view showing an example in which the retaining wall building block is constructed, and FIG. 8B is a schematic side view showing an example in which a retaining wall building block and a rear wall member are combined; FIG. 8C is a schematic side view showing an example in which the configuration example shown in FIG. 8B is stacked such that the front wall side is stepped, and a plant vegetation section is formed in each step.
[0016]
Hereinafter, a specific configuration example of the retaining wall construction block and the retaining wall construction structure according to the present invention will be described in detail. The retaining wall construction block 1 according to the present invention basically includes, as shown in FIGS. 1 to 6, a front wall 2 which basically expands in the left-right and up-down directions with a dimension W in a width direction and a dimension H in a height direction. Behind the front wall 2, a pair of retaining walls 3, 3 having a depth dimension D extending outward at predetermined intervals in the width direction of the front wall 2 are integrally molded. Has become.
[0017]
The pair of retaining walls 3 in the retaining wall construction block 1 are provided with a depth extension retaining wall member 31 or a rear opening of the pair of retaining walls 3, which will be described later, for additionally adding the retaining wall in the depth direction. A connecting means 4 for connecting the rear wall member 41 for closing the side in the depth direction or connecting between the blocks adjacent in the width direction in the width direction is provided, and the pair of buttress walls 3, 3 are opposed to each other. A shelf plate receiving groove 5 is provided on the surface for receiving and supporting a shelf plate 21 described later so as to be inclined downward and forward toward the front wall 2 side.
[0018]
The connecting means 4 in the retaining wall building block 1 according to the present invention is, as shown in detail in FIG. 5, a metal flat bar 6 extending over the front wall 2 and the pair of retaining walls 3,3. It is configured. The outer surfaces 3a, 3a of the pair of retaining walls 3, 3 in the retaining wall building block 1 are provided with first and second concave portions 7, 8 extending in the height direction, and the flat bar 6, The first and second concave portions 7 and 8 have first and second exposed portions 9 and 10 that are exposed to the outside, and the other portions include the front wall 2 and the pair of retaining walls 3 and 3. Embedded inside.
[0019]
The first exposed portion 9 of the flat bar 6 is provided with an eyebolt mounting hole 13 for mounting an eyebolt 11 for inserting a kanzaki bar 12 as shown in detail in FIG. The kanzaki streaks 12 allow the front wall side between the left and right adjacent retaining wall building blocks 1 and 1 to be connected to each other.
[0020]
On the other hand, the second exposed portion 10 of the flat bar 6 has a connecting bolt insertion hole 15 through which a connecting bolt 14 for connecting a depth extension retaining wall member 31 or a rear wall member 41 described later in the depth direction is inserted. The connecting bolts 14 connect the additional depth retaining wall member 31 or the rear wall member 41 in the depth direction, and the rear end side between the retaining wall construction blocks 1 and 1 adjacent to the left and right sides. They can be interconnected.
[0021]
In the retaining wall construction block 1 according to the present invention, the dimension H in the height direction of the block 1 is constituted by a height dimension h per one step, and the height dimension H = h as shown in FIG. One-stage retaining wall construction block 1A, a two-stage integrated retaining wall construction block 1B having a height dimension H = 2h formed by integrally molding two stages in the stacking direction as shown in FIG. 3, FIG. 1 and FIG. As shown in FIG. 2, a three-stage integrated retaining wall building block 1C having a height dimension H = 3h formed by integrally molding three stages in the stacking direction. The two-stage integrated retaining wall construction block 1B and the three-stage integrated retaining wall construction block 1C are particularly effective in the present invention.
[0022]
Further, in the present invention, the retaining wall construction block 1 having the above-described configuration includes, as a component, a depth extension retaining wall member 31 for additionally increasing the depth dimension D of the pair of retaining walls 3, 3. It is also a thing. The depth extension buttress member 31, such as that shown in FIGS. 6A and 6B, for example, the depth length D _L is, the depth D of the pair of buttress 3,3 in the retaining wall building blocks 1 and depth expansion buttress member 31A of S-type formed of a size corresponding to, such as those shown in FIGS. 6C and FIG. 6D, for example, the depth length D _L is, the retaining wall construction a pair of buttress in the block 1 3 3 and an L-shaped depth extension retaining wall member 31B having a size corresponding to twice the depth dimension D of 3.
[0023]
As shown in each of FIGS. 6A and 6B, the depth extension buttress wall member 31 receives a shelf board 21 described later so as to be inclined forward and downward toward the front wall 2 side with respect to surfaces facing each other at the time of extension. It is provided with shelf plate receiving grooves 32, 32 for supporting, and is provided with a flat bar 33 buried so that a part thereof is exposed on the outer surface side opposite to each other at the time of expansion. The flat bar 33 is provided with connection bolt insertion holes 34 and 35 for inserting the connection bolts 14. On the connection bolt insertion hole 34 side, the connection bolts 14 allow the retaining wall building block 1 to be inserted. The rear wall member 41, which will be described later, can be connected in the depth direction on the connection bolt insertion hole 35 side. ing.
[0024]
Furthermore, in the present invention, the pair of retaining walls 3, 3 in the retaining wall construction block 1 or the additional depth retaining wall member additionally added to the retaining wall construction block 1 having the above-described configuration. The rear wall member 41 attached to the terminal side of the terminal 31 is also included as a component. The rear wall member 41 has, for example, as shown in FIG. 4, a rear wall 42 and a pair of connecting auxiliary stay walls 43, 43. The rear wall 42 of the rear wall member 41 is formed at an angle of θ ° with respect to a horizontal line. The angle θ of the rear wall 42 is formed, for example, as approximately θ = 45 °, θ = 60 °, or θ = 90 °. In this way, by forming the rear wall 42 of the rear wall member 41 at an angle, it is possible to reduce the earth pressure in the earth pressure environment of the construction site.
[0025]
A flat bar 44 is embedded in the rear wall member 41 so as to be partially exposed to the outside over the rear wall 42 and the pair of auxiliary connecting butter walls 43, 43. A connection bolt insertion hole 45 for inserting the connection bolt 14 is provided. In the connection bolt insertion hole 45, the connection bolt 14 is used to connect the terminal side of the retaining walls 3, 3 in the retaining wall building block 1, or It can be fixedly connected to the terminal side of the additional depth retaining wall member 31 that is additionally connected.
[0026]
On the other hand, a specific configuration example of the retaining wall construction structure using the retaining wall construction block 1 according to the present invention will be described in detail with reference to FIGS. 7 and 8. First, according to an example of the retaining wall construction structure according to the present invention, as shown in FIG. 7, a front wall 2 extending in the width direction H and extending left, right, up and down, and the front wall 2 behind the front wall 2. A retaining wall construction block 1 obtained by integrally molding a pair of buttress walls 3, 3 having a depth dimension D extending outward at a predetermined interval in the width direction of the retaining wall is used as a reference component. A lower-layer retaining wall structure 51 formed by combining an L-shaped depth extension retaining wall member 31B with the retaining wall construction block 1 and an S-shaped depth extension retaining wall with respect to the retaining wall construction block 1. An intermediate retaining wall structure 52 formed by combining the members 31A and an upper retaining wall structure 53 formed of the retaining wall building block are provided.
[0027]
Further, according to a specific configuration example of the retaining wall construction structure using the retaining wall construction block 1 according to the present invention, from the viewpoint of structural mechanics, a foundation having an inclined portion 62 as shown in FIG. 8A. It is preferable to construct on the member 61. In this case, a construction method is adopted in which a special member 63 corresponding to the inclined portion 62 is disposed on the inclined portion 62 of the base member 61, and the retaining wall construction block 1 is constructed thereon. Can be
[0028]
Furthermore, as a specific configuration example of the retaining wall construction structure using the retaining wall construction block 1 according to the present invention, as shown in FIG. 8B, the retaining wall construction block 1 and the rear wall member 41 are combined. A combined block unit BU may be formed, and the block unit BU may be stacked such that the front wall side is stepped, so that the plant vegetation 64 is formed at each step.
[0029]
Regarding the formation of the above-mentioned plant vegetation 64, for example, the front side of each block is flushed as in the construction example shown in FIG. 7, whereas the back side of each block is flushed. Thereby, a step-like plant vegetation portion can be formed for each layer on the construction surface side.
[0030]
Further, as shown in FIG. 8C, when the rear wall side of the rear wall member 41 is to be constructed such that the inclined surface is level with each step, the retaining wall construction block and the rear wall Interposing a special member as a spacer between the member and the member is also necessary as one component.
[0031]
Further, in the present invention, when a retaining wall for purifying water quality is constructed by the retaining wall construction block 1, a front wall 2, a pair of butting walls 3, in each of the retaining wall construction blocks 1, 3 and the space portion 65 formed by the shelf 21 is filled with a constituent material such as charcoal or zeolite for purifying water according to the purpose in addition to or instead of crushed stone and rubble stone. You can also. In the drawing, reference numeral 66 indicates a drainage slit, and reference numeral 67 indicates a positioning pin mounting hole for positioning when the retaining wall building blocks 1 are stacked.
[0032]
On the other hand, in FIG. 5, reference numeral 68 denotes a reinforcing bar provided so as to extend in the stacking direction of the retaining wall building block 1, and reference numeral 69 denotes concrete to be filled at the time of construction. Furthermore, in FIG. 2D, reference numeral 70 is an insertion hole of the form-stop connecting member, and as shown in FIG. 5, when concrete is poured between the adjacent retaining wall building blocks 1, 1. It is used for the purpose of performing the function of formwork stopper.
[0033]
【The invention's effect】
According to the retaining wall construction block and the retaining wall construction structure of the present invention having the above-described configuration, it is suitable for high production in a factory, and the labor of the construction work on the construction site side is reduced, thereby shortening the construction period. It can be said that this works extremely effectively in that it is highly compatible with the development of the system.
[Brief description of the drawings]
FIG. 1 is a schematic view showing a concrete embodiment of a retaining wall building block according to the present invention, which is a three-stage integrated retaining wall building block formed integrally with three stages in a stacking direction. FIG.
2 shows the three-stage integrated retaining wall building block shown in FIG. 1; FIG. 2A is a schematic front view thereof; FIG. 2B is a schematic plan view thereof; Fig. 2D is a schematic right side view, and Fig. 2D is a schematic 2D-2D line sectional view taken along the line 2D-2D in Fig. 2A in the direction indicated by the arrow.
FIG. 3 is a schematic view showing a concrete example of a two-stage integrated retaining wall building block according to the present invention, which is a retaining wall building block according to the present invention, which is formed by integrally molding two stages in a stacking direction. FIG.
FIG. 4 shows a concrete example of a one-stage retaining wall building block, which is a retaining wall building block according to the present invention, and a shelf board member for the one-stage retaining wall building block. FIG. 9 is a schematic perspective view showing an example of a combination of a pair of a depth extension retaining wall constituent member and a rear wall constituent member, and showing the respective members separated in a combination direction.
FIG. 5 is a plan view showing a state in which a pair of depth extension buttressing wall constituent members are connected to a retaining wall building block according to the present invention and two adjacent retaining wall building blocks in the width direction are connected and constructed; FIG. 3 is a schematic cross-sectional view showing a cross section in a viewing direction.
FIG. 6 shows a specific embodiment of a depth extension buttress member for additionally increasing the depth dimension of the buttress in the retaining wall building block according to an embodiment of the present invention. FIG. 6A is a schematic side view of an S-shaped depth extension buttress member having a short dimension in the depth direction, and FIG. 6B is a schematic view taken in the direction of the arrow along line 6B-6B in FIG. 6A. FIG. 6C is a schematic side view of an L-shaped depth extension buttress member having a long dimension in the depth direction, and FIG. 6D is an arrow along the line 6D-6D in FIG. 6C. It is the schematic 6D-6D sectional view taken in the direction.
FIG. 7 shows an embodiment of a retaining wall construction structure using a retaining wall construction block according to the present invention, using a three-stage integrated retaining wall construction block shown in FIG. It is a schematic perspective view which shows one construction example which combined the S-type depth extension stay wall member and the L-type depth extension stay wall member.
FIG. 8 shows another construction example using the retaining wall building block according to the present invention, and FIG. 8A shows a special member interposed on a base partly formed in an inclined shape. FIG. 8B is a schematic side view showing an example of a construction in which the retaining wall building block is constructed, and FIG. 8B is a schematic side view showing an example in which the retaining wall building block and the rear wall member are combined. FIG. 8C is a schematic side view showing an example in which the configuration example shown in FIG. 8B is stacked so that the front wall side is stepped, and a plant vegetation section is formed in each step.
[Explanation of symbols]
REFERENCE SIGNS LIST 1 retaining wall construction block 1A one-stage retaining wall construction block 1B two-stage integral retaining wall construction block 1C three-stage integral retaining wall construction block 2 front wall 3 buttress wall 4 connecting means 31 depth extension retaining wall member 31A S-shaped depth extension retaining wall member 31B L-shaped depth extension retaining wall member 41 Rear wall member 5 Shelf receiving groove 21 Shelf 6 Flat bar 7 First recess 8 Second recess 9 First exposed portion 10 2 exposed portion 11 eye bolt 12 kanzaki bar 13 eye bolt mounting hole 14 connecting bolt 15 connecting bolt insertion hole 42 rear wall 43 auxiliary connecting buttress wall 51 lower layer retaining wall structure portion 52 intermediate retaining wall structure portion 53 upper layer retaining wall structure portion 61 Base member 63 Special member 64 Plant vegetation part 65 Space part 66 Drain slit

Claims (4)

A front wall extending in the left-right and up-down directions with a width dimension W and a height dimension H, and a depth dimension D extending outwardly behind the front wall at a predetermined interval in the width direction of the front wall. A retaining wall construction block obtained by integrally molding a pair of the retaining walls, wherein the pair of retaining walls further include a depth extension retaining wall member for additionally extending the retaining wall in the depth direction or the retaining wall member. A rear wall member for closing the rear open side of the pair of buttresses is connected in the depth direction, or a connecting means for connecting the blocks adjacent in the width direction in the width direction is provided. A block for retaining wall construction, wherein shelves for receiving a shelf board are provided on opposite surfaces so as to be inclined forward and downward toward the front wall side. The dimension H in the height direction of the retaining wall construction block is constituted by a height dimension h per one step, and the one-stage retaining wall construction block having a height dimension H = h and two steps in the stacking direction are integrally formed. A two-stage integrated retaining wall building block with a height dimension H = 2h formed by molding, and a three-stage integrated retaining wall building block with a height dimension H = 3h integrally molded in three stages in the stacking direction. The retaining wall construction block according to claim 1, comprising: The depth of the additional buttresses member depth length D _L is, the S-type depth extension buttress member made of a dimension corresponding to the depth D of the pair of buttress in the retaining wall building blocks, the retaining wall construction 3. An L-shaped depth extension retaining wall member having a dimension corresponding to a double dimension of the depth dimension D of the pair of retaining walls in the application block. Block for building walls. A front wall extending in the left-right and up-down directions with a width dimension W and a height dimension H, and a depth dimension D extending outwardly behind the front wall at a predetermined interval in the width direction of the front wall. A lower layer side obtained by combining a retaining wall construction block obtained by integrally molding a pair of the retaining walls with the L-shaped depth extension retaining wall member with the retaining wall construction block. A retaining wall structure portion, an intermediate retaining wall structure portion formed by combining an S-shaped depth extension retaining wall member with respect to the retaining wall construction block, and an upper layer retaining wall structure portion formed by the retaining wall construction block. A retaining wall construction structure comprising:

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