JPH0516825U - Block for coating - Google Patents

Abstract

(57) [Summary] [Purpose] To improve the performance of artificial leaf coating blocks such as sliding, sliding, rising, lifting, and jumping. [Constitution] A protrusion 2 is provided on the central upper surface side of two side faces of four side faces of a rectangular block 1, 1a, and the protrusion 2 is provided on the other two side faces.
A recess 3 that engages with is provided. By engaging the protrusions and the recesses with each other in the vertical and horizontal directions, the adjacent blocks act as weights when the blocks are lifted up.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a coating block. The present invention mainly relates to a block for covering an artificial reef, which is used for an artificial reef construction method on a beach.

[0002]

[Prior Art]

 The artificial reef artificially forms a natural coral reef-like morphology in the coastal waters, forming a dike-like shallow surface with a flat top surface in the sea, calming the sea area behind the artificial reef and stabilizing it. The goal is to promote beach formation and recreation. Since the artificial reef is an undersea structure, it does not damage the landscape and achieves its purpose. FIG. 6 shows this. A levee body is formed on the seabed 11 with rubble stones 12 and 13, and the surface thereof is covered with a covering block 1. The upper end of the artificial reef is always below due to the seawater level (H.W.L, L.W.L.). The artificial reef calms even severe waves, and the stability of the coating block 1 is important. Conventionally, the blocks for covering the levee body of the revetment, the riverbed blocks, etc. are generally rectangular thick plate-shaped blocks, and either the adjacent blocks are simply laid side-by-side, or the blocks that prevent horizontal movement of each other are used. It was a type having a mating engagement portion. There are various types such as those with top and bottom through holes and those with different heights, and they have excellent performance against sliding and sliding, but they are used for covering artificial reefs and rise to high waves. The performance against lifting, jumping and jumping is not sufficient.

It is possible to improve the performance such as rising and rising by increasing the weight of the block, but there is a limit depending on the tide level and wave conditions, and If the weight of the block becomes large, the difficulty of transportation and construction will increase and the construction cost will increase.

[0004]

[Problems to be solved by the device]

 When the covering block is laid and the artificial leaf is covered, the block walls are in contact with the wall surface of the block and mesh with each other due to unevenness, so movement in the adjacent direction is restricted, but the vertical direction Since there is no restraint on, the movement is not restricted. Therefore, the blocks are easily lifted by the lift force acting on the blocks when receiving the waves. In such a conventional block, there was a limit because each block had to deal with it in order to ensure stability against lift. For example, it is necessary to increase the weight of one block, but in this case, there are the above-mentioned problems.

An object of the present invention is to improve the shape of a covering block and to provide a block having suitable characteristics for covering an artificial leaf.

[0006]

[Means for Solving the Problems]

 The present invention is characterized by taking the following technical means in order to achieve the above object. (A) A concrete block for coating having a substantially rectangular substrate. (B) Legs are projected at the four corners of the bottom surface. This leg is stably placed so that the block will bite into the artificial leaf.

(C) Two adjacent side surfaces out of the four side surfaces are provided with a protrusion having a height and a width smaller than the height and width of the side surface at the center of the upper end or the lower end. (D) The remaining two side surfaces are provided with the same concave portion that engages with the protrusion.

[0008]

[Action]

 The most characteristic feature of the covering block of the present invention is that the concrete blocks for covering having a substantially rectangular substrate are provided with projections for restraining the vertical and width directions on the two side surfaces, and the remaining two side surfaces are engaged with the projections. The same shape of concave portion is provided so as to constrain the adjacent coating blocks vertically and horizontally. In this way, the provision of the projection and the recess in which the adjacent coating blocks mesh with each other in the vertical direction limits the movement in the upward and downward directions. That is, when one block tries to rise, two or more adjacent blocks act as a weight in the direction of suppressing the rise. As a result, compared to the conventional block, the performance to prevent rising and rising is significantly improved.

[0009]

【Example】

 FIG. 1 shows a coating block according to an embodiment of the present invention. FIG. 1 is a perspective view schematically showing a state in which a coating block 1a connected to the coating block 1 of the embodiment of the present invention laid is laid like 1b. The covering block of the embodiment has a substantially rectangular shape, and the projections 2 are provided on two adjacent side surfaces. The height and widthwise dimensions of the projection are smaller than the height and width of the side surface of the block. Further, this protrusion is provided at the center of the upper end or the lower end of the side surface of the block. FIG. 1 shows an example provided at the upper end. On the other hand, the remaining two side surfaces are provided with a recess 3 of the same shape that engages with the protrusion 2. As shown in FIG. 1, the block 1a is indicated by arrows 6a, 6b, 6c, 6d so that the projection 2 of the adjacent coating block 1a is engaged with the recess 3 of the existing block 1 that has been installed. Install at the position of block 1b. As a result, the block 1b restrains the covering block 1 of the artificial leaf from floating due to waves.

The dimensions of the projections 2 and the recesses 3 on the side surface of the block 1 are not limited, but by setting the dimension to 1/2 to 1/4 of the dimension of the side surface of the block, this engaging portion extends in the lateral direction of the block. And vertical movement is preferably restrained, which is preferable. Therefore, an artificial leaf in which the entire block is integrated can be formed, so that it is highly safe against waves and there is no risk of the block sliding, sliding down, rising, rising, jumping, or the like.

The block 1 has legs 4 protruding from the four corners of the bottom surface. The legs 4 at the four corners of the bottom surface are better suited to the intermediate stones when a block is laid on the artificial stones. Further, the coating block of the embodiment has a vertical hole 5 in the center. The central hole 5 has a function of releasing the lift force acting on the block due to waves, and is also a hole for mounting a block lifting metal fitting.

FIG. 2 is a schematic plan view and a side sectional view of the schematic FIG. 1. As shown in FIG. 2, the block 1 is laid so that the projection 2 of the block 1a is engaged with the recess 3 of the block 1. 3 and 4 show an example in which the projection 2 and the concave portion 3 are provided on the lower surface side of the block 1. It will be easy to understand the laying procedure similar to FIGS. 1 and 2 and the interaction between the blocks after laying.

FIG. 5 shows a state in which the covering block 1 of the present invention is laid on the upper surface of the rubble 12 to form an artificial leaf. By using the coating block of the present invention, it is possible to create an artificial leaf that has high stability and is highly safe against waves. The covering block of the present invention is also suitable for construction of a gentle slope revetment as a general coastal protection structure, and is not limited to an artificial reef.

[0014]

[Effect of the device]

 The covering block of the present invention can form an artificial leaf in which the entire block on the surface of the artificial leaf is integrated, has high safety against waves, and may cause slipping, slipping, rising, rising, jumping, etc. Absent.

[Brief description of drawings]

FIG. 1 is a schematic view showing the laying of an embodiment of the present invention.

FIG. 2 is a plan view (a) and a side sectional view (b) taken along the line AA of FIG.

FIG. 3 is a schematic view showing the laying of an embodiment of the present invention.

4 (a) is a plan view and FIG. 4 (b) is a side sectional view (view taken along the line BB in FIG. 4 (a)) of the embodiment of the present invention.

5A and 5B are side views showing a usage state of the embodiment, and FIG.
It is a top view.

FIG. 6 is an explanatory diagram of an artificial leaf.

[Explanation of symbols]

 1 Block 2 Protrusion 3 Recess 4 Leg 5 Hole 6a, 6b, 6c, 6d Arrow 11 Seabed 12, 13 Rubble

Claims (1)

[Scope of utility model registration request] 1. In a covering concrete block having a substantially rectangular substrate, legs are projected at four corners of a bottom surface, and adjacent two of the four side surfaces are provided with a height and width smaller than the height and width of the side surface. A coating block, characterized in that a projection having the respective projections is provided at the center of the upper end or the lower end, and recesses of the same shape that engage with the projection are provided on the remaining two side surfaces.