JPS602257Y2 - Concrete block for wave dissipation - Google Patents

Description

[Detailed description of the invention] This invention relates to a wave-dissipating concrete block used for root consolidation of river banks, riverbeds, or wave-break structures.

Conventional irregular-shaped blocks have complex shapes, resulting in complex formwork, and in many cases it is extremely difficult or impossible to insert reinforcing bars.

Therefore, there was a drawback that the block members were easily broken.

In addition, for small blocks weighing less than 1 ton, it is difficult to pour concrete because the formwork is complex and the cross-section of the members is small, and the finished blocks are unreinforced and easily break, making them difficult to put into practical use. The situation was difficult to serve.

However, blocks with shapes that allow easy insertion of reinforcing bars and pouring of concrete are close to a single block, and have the disadvantage that the mutual engagement between the blocks is poor.

The block of the present invention easily eliminates these drawbacks.Explaining the embodiments using figures, Fig. 1 is a plan view of the wave-dissipating block of the present invention, 1 is a drum-shaped member in plan view; 2 is a boot-shaped member with a constant thickness.

Since 1 is a drum-shaped member, a gap 3 is formed in the center.

FIG. 2 is a front view of FIG. 1.

This indicates that the upper end surface of the boot-shaped member 2 is fixed to the center part 4 of the drum-shaped member 1 so as to be perpendicular to the plane of the member 1. It is a void formed in the

FIG. 3 is a right side view of FIG. 2, and a gap 6 is formed between member 1 and member 2.

FIGS. 4 and 5 are perspective views of the block of the present invention in which the directions are reversed and the block is erected diagonally.

Since the block of the present invention can be assembled into a formwork while standing upright as shown in Figure 2, it is extremely easy to not only pour concrete but also insert reinforcing bars.

Furthermore, since the shape of the formwork is simple and the area is small, the manufacturing cost of the formwork and blocks is extremely low.

Moreover, if the completed block is installed on the underwater ground in an inclined manner as shown in Fig. 4 or 5, member 1 becomes a surface that resists waves, and member 2 becomes a support that supports 1. Conditions are created by themselves that are advantageous in resisting external forces.

In particular, in the case of FIG. 5, the heel of the boot-shaped member 2 makes contact with the ground, resulting in three-point support with the surface of the member 1 inclined.
The center of gravity is low, and the distance between the center of gravity and the fulcrum is large, so no matter how complex the ground is, it has strong resistance to falling and sliding and is always stable.

If the blocks of the present invention are installed in large numbers in parallel on the underwater ground as shown in Figure 2, they will immediately become a wave-dissipating structure that protects riverbeds, riverbanks, etc.; Due to the mutual shape features of the members 2, gaps 3, 5, and 6 are formed, so various combinations occur such that the convex portions of the members 1 and 2 fit into the gaps 3, 5, or 6, respectively, and the block They are shaped so that they can easily engage with each other.

Therefore, a wave-dissipating structure having a large number of appropriate voids can be easily constructed by stacking the blocks while engaging each other.

FIG. 6 is a side view of an embodiment of a wave-dissipating structure that takes advantage of the above-mentioned features and is laminated with the blocks engaging each other when installed on the underwater ground with the lowest stage as shown in FIG. be.

FIG. 7 shows one row of wave-dissipating structures in which the bottom stage is installed as shown in FIG. 5, and the blocks are stacked one on top of the other while engaging each other in the same manner.

In this way, the blocks can be engaged with each other and stacked in various shapes depending on the ground conditions, etc., resulting in a wave-dissipating structure with good stability, a suitable number of voids, and a high wave-dissipating effect. Things became easier to build.

[Brief explanation of drawings]

Figure 1: A plan view of the block of the present invention, Figure 2...
Front view in Figure 1, Figure 3... Right side view in Figure 2, Figure 4
Fig. 5: Perspective view, Fig. 6: An example of a wave-dissipating structure in which blocks of the present invention are laminated. FIG. 7: An embodiment of a wave-dissipating structure in which another block 1 is stacked so as to be engaged with each other in the gap 5 of the block according to the present invention. 1...Trumpet-shaped member, 2...Boot-shaped member, 3°5.6...Gap.

Claims (1)

[Scope of utility model registration request] A wave-dissipating concrete block formed in such a manner that the upper end surface of a boot-shaped member with a constant thickness is fixed to the central part of the member with a constant thickness and a drum-shaped planar shape so as to be perpendicular to the plane of the member. .