JPH02488B2 - - Google Patents

Description

[Detailed Description of the Invention] (a) Field of Industrial Application This invention relates to a block for seawall.

(b) Conventional technology Various types of blocks for seawalls have been invented and devised in the past, but all of them have the sole purpose of protecting the shore from water currents or waves.
and aquatic animals, etc., were not considered.

(c) Problems to be solved by the invention Therefore, although the purpose of the revetment has been achieved in rivers etc. where revetment construction has been carried out using such revetment blocks, there is no riparian vegetation to preserve the natural environment, and the nature is therefore devastated. , it had the disadvantage of turning into a river of death.

(d) Means for Solving the Problems In this invention, a substantially rectangular parallelepiped-shaped bank revetment block is provided with a cavity that is open in the vertical direction, and a recess that communicates with the cavity is provided at the upper edge of the front surface of the block. A block for a seawall is provided with an installation part, and further has left and right thin-walled parts formed on the left and right sides of the block, respectively, so that the cavity can communicate with external spaces on the left and right sides of the block by crushing and perforating the thin-walled parts. It provides:

(E) Function In the block for high water revetment according to the present invention, when the blocks are stacked, the cavities of the upper and lower blocks communicate with each other, and the thin walls of the left and right sides of the blocks are crushed and perforated to form the cavities of the left and right blocks. If soil is filled in the hollows that communicate vertically and horizontally, the filled soil will be exposed toward the water's edge from the recessed part of the upper front edge of the same block, and the vegetation at the water's edge will be doubled. Moreover, since the soil inside the block is connected vertically and horizontally, water and nutrients are evenly distributed, keeping the soil fertile at all times.

Additionally, the back side of the block can be filled with concrete afterward, and will serve the purpose of a seawall.

(f) Effects According to the present invention, by configuring the high-water bank block as described above, it can achieve the purpose of the bank protection while allowing waterfront vegetation to flourish, encouraging the breeding of aquatic animals, and reducing the devastation of nature. By preventing fireflies and other animals from flying around, the rich atmosphere of nature can be preserved for a long time.

(G) Embodiments The embodiments of the present invention will be explained in detail based on the drawings.
A indicates a bank protection block. Block A has a substantially rectangular parallelepiped shape, and forms a cavity 3 with a substantially rectangular cross section that is open in the vertical direction from the upper surface 1 to the lower surface 2. A substantially semicircular recessed portion 5 is formed in the center of the upper edge of the block A to communicate the cavity 3 with the front external space of the block A.
The left and right side surfaces 6, 6' of the block A have left and right recessed portions 7, each having a substantially truncated conical shape, extending inwardly.
7', and the bottom surfaces of the invaginated parts 7, 7' and the cavity 3
Between the left and right side surfaces 8, 8', left and right thin parts 9,
The thin wall portions 9, 9' can be easily crushed and perforated at the seawall construction site, allowing communication between the cavity 3 and the left and right exterior spaces of the block A, respectively. The back surface 10 of the block A is formed with a protrusion 11 having a substantially dovetail shape in plan view.
When the blocks A are piled up and the back-filled concrete 12 is filled behind the blocks A, the connection between the blocks A and the concrete 12 is strengthened, and the front ends of the left and right sides 6 and 6' of the blocks A are strengthened. A slightly wide contact surface 13 is formed at the edge, and the left and right side surfaces 6, 6' are inclined inward from the rear edge of the contact surface 13 toward the rear.

Fig. 4 shows the state of construction of bank protection work using block A for bank protection of the present invention, and 14 shows the construction state of bank protection work using block A for bank protection of the present invention.
The front face 4 of the blocks A, which are stacked with the upper surface of the concrete 14 slightly inclined outward, is given an appropriate outward inclination. When viewed from the front, the blocks A are stacked in a staggered manner, alternating the top and bottom, and the back of the block A is filled with back-filled concrete 12 to form an integrated seawall 15 to serve the purpose of a seawall. There is.

The cavities 3 in each of the upper and lower blocks A communicate with each other in a zigzag shape in the vertical direction, and further communicate with each of the left and right blocks A.
are communicated with each other by crushing perforations in the left and right thin-walled parts 9 and 9', in other words, an internal space communicating vertically and horizontally inside the revetment wall 15, which is integrally constituted by the block A and the back-filled concrete 12. is forming. (See Figure 4) Therefore, the soil filled in the internal space is connected vertically and horizontally, and moisture and nutrients are distributed throughout the space, maintaining a fertile state at all times. This serves as a breeding ground for the plants planted in the area, allowing grasses, aquatic plants, shrubs, etc. to flourish, encouraging the reproduction of aquatic animals such as fireflies, and protecting the rich natural environment for a long time.

Note that the thin walled portion on the outside of the block A at the side end of the revetment wall 15 can be left in a closed state without being crushed to prevent the internal soil from flowing away.

It is also possible to form a large number of irregularities on the front surface of the block A to encourage the growth of sphagnum moss and the like, thereby enhancing the above effect.

[Brief explanation of drawings]

Fig. 1 is an overall front view of a bank protection block according to the present invention, Fig. 2 is a sectional view taken from Fig. 1, Fig. 3 is a sectional view showing the construction state of the same block, and Fig. 4 is a Figure - Sectional view A: Block for seawall, 3: Cavity, 4: Front,
5: Recessed portion, 6, 6′: Left and right side surfaces, 9, 9′: Left and right thin wall portions.

Claims (1)

[Claims] 1. A substantially rectangular parallelepiped-shaped bank A is provided with a cavity 3 that is open in the vertical direction, and a recessed portion 5 that communicates with the cavity 3 is provided at the upper edge of the front face 4 of the block A. Further, left and right thin-walled portions 9 and 9' are formed on the left and right side surfaces 6 and 6' of the block A, respectively, and the hollow 3 and the left and right exterior of the block A are formed by crushing and perforating the thin-walled portions 9 and 9'. A seawall block configured to allow communication with the space.