JP2019108754A - Fireproof block and laying method of the same - Google Patents

Abstract

To provide a fireproof block and a laying method of the same which makes fireproof property of a slope more effective by further preventing weeds from growing in the slope.SOLUTION: Fireproof blocks 1 continuously laid on a slope comprises: rectangular plate bodies 10 laid with rear faces facing the slope; and a pair of joint portions 20 protruding from each of right and left side faces of the plate body 10 and extending along the side face so as to configure a halving joint structure together with adjacent fireproof blocks 1. One of the pair of joint portions 20 that is positioned at a rear face side in a thickness direction of the plate body 10 includes a groove portion 21 extending along the extending direction of the joint portion 20 on a face which faces a front face side of the plate body 10.SELECTED DRAWING: Figure 7

Description

  The present invention relates to a fire blocking block and a method of laying the same.

  Conventionally, fire protection on the slope has been performed by covering the slope with a panel or the like. For example, covering the fore end of a slope such as an expressway with a panel or the like is performed. This makes it possible to prevent weeds from growing on the ground and to prevent the occurrence of hay. Therefore, ignition to hay can be prevented, and fire on the slope can be prevented.

  As such a panel, there has been proposed a grass protection board in which the production and construction costs are reduced (see, for example, Patent Document 1). In addition, there have been proposed grass protection panels that prevent weeds from propagating between the grass protection boards laid side by side on the slope of a slope (see, for example, Patent Document 2).

JP 10-102453 A Utility model registration 3165624 gazette

  Generally, weeds require water to propagate. Also, it is believed that sunlight is necessary for weeds to breed. That is, it is said that the longer the distance from the slope to the position where sunlight can be obtained, the more weeding can be suppressed. Therefore, if it is a panel that can remove water from the slope and can increase the distance from the slope to the position where sunlight can be obtained, it is more effective to prevent weeds from growing.

  In the grass protection board described in Patent Document 1, concave grooves are formed at both ends in the laying direction of the board to be laid side by side at the forehead. Then, the mortar is poured into the grooves of the grass board laid side by side on the forehead to close the gap between the adjacent grass boards. It is effective for preventing weeds from growing because the gaps between the boards are blocked, but it takes time to lay it.

  In the grass protection panel described in Patent Document 2, a lower protrusion and an upper protrusion that can be alternately stacked are formed at both ends in the laying direction of the panel to be laid side by side at the forehead. And the upper protrusion part of the other grass-control panel is piled up and is installed by the lower protrusion part of one grass-protection panel among the grass protection panels laid adjacently. Thereby, the gap between the adjacent grass panels can be closed. On the other hand, it is not possible to discharge the water reaching the slope from between adjacent grass panels. Therefore, there was a problem that water necessary for the propagation of weeds was supplied to the slope.

  An object of this invention is to provide the fire prevention block which makes fire prevention of a slope more effective by preventing a weed from breeding on a slope more effectively, and its laying method.

  The present invention is a fire protection block which is continuously laid on a slope, and a rectangular plate body whose back surface is laid opposite to the slope forms a chipping joint structure with an adjacent fire protection block. A pair of joint parts projecting from each of the left and right side faces of the plate and extending along the side faces, of the pair of joint parts being positioned on the back side in the thickness direction of the plate One of the embodiments relates to a fire block having a groove portion extending along the extending direction on the surface facing the front surface side of the plate.

  The fire protection block further includes a pair of tapered through holes which penetrate the plate in the thickness direction and gradually increase in diameter from the back surface to the front surface, and the through holes extend in the vertical direction of the plate. Preferably, they are arranged symmetrically.

  Preferably, the through holes have the same shape.

  Moreover, it is preferable that the through hole located in the downward side among a pair of said through holes incline in the downward direction in the state by which the said board was laid by the slope inside the lower surface inside.

  Further, the plate body includes a pair of recessed portions that are recessed in a tapered manner from the front surface to the back surface, and the pair of the recessed portions are arranged side by side vertically so as to be symmetrical in the vertical direction of the plate body. Is preferred.

  Moreover, it is preferable that each through-hole of a pair of said through-hole is arrange | positioned at each recessed part of a pair of said recessed part.

  Moreover, this invention is the laying method of a fire protection block which continuously lays the fire protection block in any one of the above, Comprising: The said joint part so that the said groove part may be arrange | positioned along the inclination direction of a slope. By arranging the fire block in alignment with the extension direction of the fire block, and arranging the joint portion of another fire block relative to the joint portion so as to form a chipped joint structure, the fire block is sequentially arranged. And disposing the fire block continuously.

  ADVANTAGE OF THE INVENTION According to this invention, the fire prevention block which makes fire prevention of a slope more effective can be provided by preventing a weed from breeding on a slope more and more effectively.

It is a top view showing the fire protection block concerning one embodiment of the present invention. It is another top view which shows the fire protection block of one Embodiment. It is an A arrow line view of FIG. It is B arrow line view of FIG. It is C arrow line view of FIG. It is a perspective view showing the fire protection block of one embodiment. It is the DD sectional view taken on the line of FIG. It is the EE sectional view taken on the line of FIG. It is the FF sectional view taken on the line of FIG. It is the GG sectional view taken on the line of FIG. It is the schematic plan view which laid the fire protection block of one embodiment on the slope. It is the HH sectional view taken on the line of FIG. It is the II sectional view taken on the line of FIG.

Hereinafter, the fire prevention block 1 which concerns on one Embodiment of this invention, and its laying method are demonstrated with reference to drawings.
The fire protection block 1 which concerns on this embodiment is a planar view rectangle or substantially rectangular shape, as shown to FIGS. Moreover, the fire protection block 1 which concerns on this embodiment is a plate-shaped body. The fire protection block 1 is laid continuously on the slope. Specifically, the fire protection block 1 is disposed continuously to the forefoot. The fire protection block 1 includes a plate 10 and a pair of joint portions 20. In the present embodiment, "upper" indicates a direction toward the upper side along the inclination direction of the slope. Moreover, "downward" shows the direction which goes to the opposite side to "upper." Therefore, among fire protection blocks 1 laid on the slope, the side disposed on the side of the bottom of the law is referred to as the "lower side". Moreover, among fire protection blocks 1 laid on the slope, the side disposed on the shoulder side is referred to as “upper side”. And the direction along the fore of the fire protection block laid on the slope is called "left-right direction" or "width direction".

  The plate 10 is, for example, a concrete block. The back surface of the plate 10 is laid opposite to the slope. On the other hand, the surface of the plate 10 is laid as an exposed surface. The plate 10 includes a plate body 11, a pair of through holes 12, and a pair of recesses 13.

The plate body 11 is a rectangular or substantially rectangular member covering a slope.
Each of the through holes 12 penetrates the plate 10 (plate body 11) in the thickness direction, as shown in FIG. Further, each of the through holes 12 has a tapered shape in which the diameter gradually increases from the back surface of the plate 10 toward the front surface. The through holes 12 have the same shape. Each of the through holes 12 is arranged to be symmetrical in the vertical direction of the plate 10. In other words, the pair of through holes 12 are arranged to be symmetrical in the longitudinal direction (vertical direction) of the plate 10. Further, the pair of through holes 12 is disposed at the center or in the vicinity of the center in the width direction (left and right direction) of the plate 10.

  Among the pair of through holes 12, the through hole 12 located on the lower side is inclined downward in the state where the lower surface of the through hole 12 is laid on the slope. Specifically, the inner surface on the lower side of the through hole 12 located on the lower side is inclined downward. The inclination angle (inclination angle) of the inner surface with respect to the thickness direction of the plate 10 is larger than the inclination angle of the assumed slope. That is, even if the back surface of the plate body 10 is laid to face the slope, the inner surface always inclines downward. On the other hand, the upper inner surface of the through hole 12 located on the lower side is along the thickness direction of the plate 10.

  In the present embodiment, each of the pair of through holes 12 has the same shape as shown in FIG. 6, FIG. 7, and FIG. And in this embodiment, each of a pair of penetration holes 12 is arranged so that it may become line symmetrical to an imaginary line which divides the up-and-down direction center of board object 10. As shown in FIG. That is, each of the pair of through holes 12 is disposed such that the inclined inner surface (the lower surface) is located on the upper end side or the lower end side of the plate 10. And each of a pair of through-hole 12 is arrange | positioned at each recessed part 13 of a pair of recessed part 13 mentioned later.

  As shown in FIGS. 1 and 6, the pair of concave portions 13 are arranged side by side in the vertical direction of the plate 10 (the plate body 11). Specifically, each of the pair of concave portions 13 is arranged side by side so as to be symmetrical in the vertical direction of the plate 10. Each of the pair of recesses 13 tapers in a tapered manner from the front surface to the rear surface of the plate 10, as shown in FIGS. Specifically, each of the pair of concave portions 13 is tapered in a manner of tapering from the four sides, upper and lower, right and left, to the back surface. Therefore, each of the pair of recesses 13 has an inner surface having a rectangular shape in plan view. Further, among the inner surfaces of the pair of recesses 13, the inner surface where the through hole 12 is disposed is inclined at the same or larger inclination angle (depression angle) with the inclined inner surface (the inner surface which becomes the lower side).

  The pair of joint portions 20 is integrally formed of the same material as the plate 10. That is, the pair of joint portions 20 is integrally formed with the plate body 10 by the same concrete block as the plate body 10. The pair of joint portions 20 project from each of the left and right side surfaces of the plate 10. When a plurality of fire protection blocks 1 are laid on the slope, the pair of joint portions 20 form a chipping joint structure with the adjacent fire protection blocks 1. Specifically, as shown in FIGS. 3 to 5, in the pair of joint portions 20, one of the pair of joint portions 20 extends along the vertical direction of the plate 10. Further, one of the pair of joint portions 20 protrudes from the end portion on the back surface side in the thickness direction of the plate 10. Then, the other of the pair of joint parts 20 protrudes from the end on the surface side in the thickness direction of the plate 10.

  In the present embodiment, one of the pair of joint portions 20 protrudes at a position (width) from the center in the thickness direction of the plate 10 to the back surface side. Further, the other of the pair of joint portions 20 protrudes at a position (width) from the center in the thickness direction of the plate 10 to the surface side. One of the pair of joint portions 20 positioned on the back surface side in the thickness direction of the plate 10 has a groove 21.

  The groove portion 21 extends along the extension direction of the one joint portion 20 (the vertical direction of the plate 10) as shown in FIGS. The groove portion 21 is disposed on a surface facing the front surface side of one of the joint portions 20. Specifically, it is preferable that the groove portion 21 be recessed from the surface facing the front surface side of the one joint portion 20, and be disposed proximal to the tip end of the one joint portion 20. In the present embodiment, the groove 21 is a surface facing the front surface side of the one joint 20 and is disposed at the proximal end of the one joint 20 in the protruding direction.

  According to the above fire protection block 1, a plurality of fire protection blocks 1 are laid side by side in the forefoot. At this time, each fire protection block 1 is disposed along the vertical direction of the slope of the slope. Moreover, each fire protection block 1 is arrange | positioned so that it may become a phase notch joint structure between adjacent fire protection blocks 1 using a pair of coupling part 20. As shown in FIG. Then, for example, the gap between the adjacent fire protection blocks 1 is filled by the seal member 30 (see FIG. 12). Further, an anchor 40 (see FIG. 13) is driven into the through hole 12 positioned on the upper side. Thereby, the fire protection block 1 is fixed to the slope.

  The lower through hole 12 functions as a water outlet for water that flows out from the slope. The water spouted from the slope surface flows into the opening 121 of the lower through hole 12 opened on the back surface of the plate 10. The inner surface on the lower side of the through hole 12 is disposed to be inclined downward from the back surface to the front surface, so the water flowing into the opening 121 flows out to the surface side of the plate 10 through the through hole 12. And since the inner surface of the recess 13 is also inclined downward from the back surface to the surface of the plate 10, the water that has flowed out to the surface side of the plate 10 is not stagnated in the fire protection block 1 and is moved downward. It is discharged into the side groove 100 to be disposed.

  A part of the water poured onto the fire protection block 1 tries to penetrate the slope from between the adjacent fire protection blocks 1 due to rainfall or the like. A portion of the water to be permeated is blocked by the seal member 30. Water blocked by the seal member 30 flows downward along the surface of the seal member 30. The water flowing downward is discharged to the gutter 100.

  On the other hand, the water which permeated between adjacent fire protection blocks 1 tries to reach the slope from between the pair of joint parts 20. However, when the one joint portion 20 includes the groove portion 21, the permeated water flows into the groove portion 21. The water flowing into the groove 21 flows downward along the groove 21. And the water which flowed along the ditch part 21 is discharged by a drainage ditch.

Next, the laying method of the fire protection block 1 which concerns on this embodiment is demonstrated with reference to FIGS. 11-13.
The laying method of the fire protection block 1 according to the present embodiment includes a step of arranging the fire protection block 1, a step of striking the anchor 40, a step of continuously arranging the fire protection block 1, and a sealing step.

  First, the step of arranging the fire protection block 1 is performed. Specifically, the extending direction of the joint portion 20 is arranged in accordance with the inclination direction of the slope so that the groove portion 21 is arranged along the inclination direction of the slope.

  Next, the step of striking the anchor 40 is performed. In the step of striking the anchor 40, the anchor 40 is struck into the upper through hole 12 of the pair of through holes 12. Thereby, the fire protection block 1 is fixed to the slope. The upper through hole 12 is filled after the anchor 40 is knocked in.

  Then, the process of arranging the fire protection block 1 continuously is implemented. In the step of arranging the fire protection block 1 continuously, the joints 20 of the other fire protection block 1 overlap with the joint 20 of the fire protection block 1 which has already been arranged so as to form a phase notch joint structure. Be placed. The other fire protection blocks 1 arranged in this manner are returned to the step of striking the anchor 40 and fixed to the slope. And the process of striking the anchor 40 and the process of arranging the fire protection block 1 successively are repeatedly performed until all the fire protection blocks 1 are arranged.

After all the fire protection blocks 1 have been placed, the sealing step is carried out. In the sealing step, the sealing member 30 is inserted between the adjacent fire blocking blocks 1. The sealing member 30 seals between the fire protection blocks 1 arranged adjacent to each other. The seal member 30 is disposed between the tip end surface of the other joint portion 20 of one fire block 1 in the protruding direction and the side surface of the plate 10 of the other fire block 1.
Thereby, the fire protection block 1 is continuously installed on the slope as shown in FIGS. 11 to 13.

According to the fire prevention block 1 which concerns on above one Embodiment, and its laying method, there exist the following effects.
(1) A fire protection block 1 installed continuously on a slope, the fire protection block 1 having a rectangular plate 10 whose rear surface is installed facing the slope, and the adjacent fire protection block 1 A pair of joint parts 20 which project from each of the left and right side faces of the plate body 10 and extend along the side faces so as to constitute a joint structure, of the pair of joint parts 20, the thickness direction of the plate body 10 The one located on the back surface side has a groove 21 extending along the extending direction on the surface facing the front surface side of the plate 10. Thus, even if water enters between the adjacent fire prevention blocks 1, the water flows into the groove 21. The water flowing into the groove 21 flows along the groove 21 to the lower side of the fire block 1 and is discharged, so it does not reach the slope. Therefore, it is possible to suppress the infiltration of water to the slope and to suppress the propagation of weeds, so it is possible to suppress the occurrence of fire on the slope.

(2) The fire protection block 1 further includes a pair of tapered through holes 12 which penetrate the plate 10 in the thickness direction and gradually increase in diameter from the back surface to the front surface. It is arranged to be symmetrical in the vertical direction of. Thereby, since the fire prevention block 1 can be arrange | positioned irrespective of the up-down direction, construction property can be improved.

(3) The through holes 12 have the same shape. Thereby, the workability can be further improved.

(4) Of the pair of through holes 12, the through hole 12 located on the lower side is inclined downward in the state where the lower surface of the through hole 12 is laid on the slope. Thus, the water flowing out of the slope through the through hole 12 can be discharged without staying in the through hole 12. Therefore, since soil, dust, etc. can be suppressed from remaining in the through hole 12, it is possible to suppress the reproduction of grass at the position of the through hole 12. Therefore, the occurrence of fires on slopes can be further suppressed.

(5) The plate 10 is provided with a pair of recessed portions 13 that are recessed in a tapered manner from the front surface to the back surface, and the pair of recessed portions 13 are arranged side by side vertically so as to be symmetrical in the vertical direction of the plate 10 Ru. Thereby, while realizing the weight reduction of the fire protection block 1, the strength of the fire protection block 1 can be maintained by leaving the thick portion. Therefore, the workability of the fire block 1 can be improved and the weather resistance can be maintained. Furthermore, the light reflected on the surface of the plate 10 can be scattered, and glare to a driver or the like can be suppressed.

(6) The through holes 12 of the pair of through holes 12 are disposed in the respective concave portions 13 of the pair of concave portions 13. Thereby, water can be discharged using the inclination on the lower side of the through hole 12 and the inclination of the recess 13, and the retention of water in the fire protection block 1 can be suppressed. Therefore, the occurrence of a fire can be further suppressed while improving the workability.

(7) A method of laying the fire protection block 1 in which the fire protection block 1 is continuously laid, wherein the construction method of the fire protection block 1 is such that the groove 21 is disposed along the inclination direction of the slope The step of arranging the fire protection block 1 in alignment with the extension direction of 20 and arranging the joints 20 of the other fire protection block 1 so as to form a phase notch joint structure with respect to the joint 20 And disposing the fire block 1 sequentially and continuously. As a result, since the fire protection blocks 1 can be laid only by arranging the fire blocks 1 continuously, it is possible to suppress the occurrence of a fire while improving the workability.

  As mentioned above, although it demonstrated per one preferable embodiment of the fire prevention block of this invention, and its laying method, this invention is not restrict | limited to the above-mentioned embodiment, It can change suitably.

  For example, although the through holes 12 are arranged in a pair in the above embodiment, the present invention is not limited to this. For example, the through holes 12 may be disposed at four corners of the plate 10, respectively.

  Moreover, in the said embodiment, although it said that the sealing member 30 is arrange | positioned between the adjacent fire prevention blocks 1, you may arrange | position in the position of the groove part 21. FIG. Since the other fire prevention block 1 can be arranged after arranging the seal member 30 in the groove 21 in advance, the workability can be improved.

Reference Signs List 1 fire prevention block 10 plate 11 plate body 12 through hole 13 recess 20 joint 21 groove

Claims (7)

It is a fire protection block laid continuously on the slope,
A rectangular plate whose reverse side is laid opposite to the slope;
A pair of joint parts projecting from each of the left and right side surfaces of the plate body and extending along the side surfaces so as to form an adjacent fire protection block and a phase notch joint structure;
Equipped with
One of the pair of joint portions positioned on the back surface side in the thickness direction of the plate body has a groove portion extending along the extending direction on the surface facing the front surface side of the plate body. The plate further includes a pair of tapered through holes penetrating in the thickness direction and gradually increasing in diameter from the back to the front,
The fire block according to claim 1, wherein the through holes are arranged to be symmetrical in the vertical direction of the plate.   The fire protection block according to claim 2, wherein the through holes have the same shape.   The fire protection according to claim 2 or 3, wherein the through hole located on the lower side of the pair of through holes is inclined downward in a state in which the lower surface is laid on the slope. block. The plate body includes a pair of recesses which are recessed in a tapered manner from the front surface to the back surface,
The fire prevention block according to any one of claims 2 to 4, wherein the pair of the concave portions are vertically arranged side by side so as to be symmetrical in the vertical direction of the plate.   The fire block according to claim 5, wherein through holes of the pair of through holes are disposed in the respective concave portions of the pair of the concave portions. A method of laying a fire block, wherein the fire block according to any one of claims 1 to 6 is continuously laid,
Arranging the fire block in alignment with the extension direction of the joint portion such that the groove portion is disposed along the inclination direction of the slope;
Arranging the fire protection blocks sequentially one after another by arranging the joints of another fire protection block so as to form a notched joint structure with respect to the connection parts;
How to lay a fire protection block.

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