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Wave-dissipating block

A wave absorbing and leg technology, applied in the field of wave absorbing blocks, can solve the problems of limited stability and porosity, and achieve the effect of reducing the amount of concrete, reducing the cost, and increasing the porosity.

Inactive Publication Date: 2008-09-17
FUDO CONSTR +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, according to the research results of the inventors of the present invention for many years, it is found that in the conventional wave-absorbing blocks, the stability and porosity are limited.

Method used

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Examples

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Embodiment Construction

[0014] Hereinafter, embodiments of the present invention will be described with reference to the drawings. Such as figure 1 As shown, the wave breaking block 1 is composed of a central base 2 and four legs 3 (3a-3d) protruding radially outward from the base 2. in addition, figure 2 The three thick lines A in the figure are the axes of the respective leg portions 3a to 3c. And the point G is the center of gravity of the wave breaking block 1 .

[0015] All four leg parts 3a-3d have the same shape and the same size. Both the shape of the front end surface of each leg part 3a-3d, and the cross-sectional shape orthogonal to the axis A are substantially equilateral triangles. As shown in the figure, in each of the leg portions 3a to 3d, the thickest part M (the part where the area of ​​the cross section perpendicular to the axis A (the area inside the cross-sectional contour line) is the largest) is located at the thinnest part N (the area of ​​the cross section perpendicular ...

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Abstract

Provided is a wave-dissipating block comprising a body portion, and a plurality of leg portions protruding radially outward from the body portion. In at least one of those leg portions, the thickest portion is positioned outside of the thinnest portion. The length along the leg axis from the center of gravity to the thickest portion is larger by 0.6 times than the length along the leg axis from the center of gravity to the leading end of the leg portion. The length along the leg axis from the center of gravity to the thinnest portion is smaller by 0.4 times than the length along the leg axis from the center of gravity to the leading end of the leg portion. The wave-dissipating block can improve the void ratio at a stacking time, thereby to reduce the amount of concrete to be used for the manufacture. As a result, the cost for the execution of work of a levee body can be suppressed to a low level. Moreover, the leg portions are so club-shaped that they can bite the adjoining blocks excellently to establish a high stability.

Description

technical field [0001] The present invention relates to a wave-dissipating block arranged in harbors, coasts, rivers and the like. Background technique [0002] In the past, concrete wave-absorbing blocks of various shapes such as tetrapod blocks such as tetrapod prefabricated blocks (Tetrapod-registered trademark) have been known technologies (refer to Patent Document 1-Japanese Patent Publication No. Sho 47-48734 and Patent Document 2 - Japanese Publication No. 48-1143, etc.). The wave absorbing block requires sufficient stability to wave force, sufficient structural strength, and proper porosity when stacked so that the energy of the wave can be weakened. [0003] Since the stability, strength, and porosity required by the wave absorbing block are closely related to each other, if only one is emphasized, other problems will arise. For example, wave-absorbing blocks of a shape that mesh well with each other when stacked increase stability, but pose a problem in terms of ...

Claims

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Application Information

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IPC IPC(8): E02B3/04E02B3/06E02B3/14
CPCE02B3/08E02B3/129Y02A10/11E02B3/06
Inventor 盛高裕生山本方人西胁一郎岩波光保横田弘加藤绘万
Owner FUDO CONSTR
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