A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
To provide a debris flow accumulation structure capable of effectively accumulating a large amount of sediment, debris and like.SOLUTION: A debris flow accumulation structure 1 comprises a concave structure body 2, an inlet part 8 and an outlet part 9, wherein the concave structure body 2 is widened more than a width of a river, and has a bottom part 3 and a peripheral wall part 4 surrounding the periphery of the bottom part 3. A flow passage structure 12 is arranged at a center in a lateral width direction of the bottom part 3. In the debris flow accumulation structure 1, a contraction flow structure 17, a slit structure 21, and a dispersion structure 25 are consecutively arranged from an outlet side to an inlet side, wherein the slit structure 21 and the dispersion structure 25 are formed lower than the peripheral wall part 4. The contraction flow structure 17 comprises a pair of protrusions 18 formed on both sides of the flow passage structure 12 as facing to each other. The slit structure 21 is arranged on both of left and right sides in a lateral width direction of the flow passage structure 12 and formed as dams having a slit 22, respectively, and the dispersion structure 25 is protrudingly formed upward to a plurality of pairs on both of the left and right sides placing the flow passage structure 12 therebetween.SELECTED DRAWING: Figure 1
【課題】多量の土砂、土石等を、効果的に堆積可能とする。【解決手段】土石流堆積工１は、凹所構造体２、入口部８及び出口部９を有し、凹所構造体２は、河川の幅より拡幅されており、底部３と底部３の周囲を囲う周壁部４を有し、底部３の横幅方向の中央に流路工１２が設けられており、土石流堆積工１内には、出口側から入口側に順次、縮流工１７、スリット工２１及び分散工２５が配置され、スリット工２１及び分散工２５は、周壁部４の高さより低く形成されており、縮流工１７は、流路工１２の両側面に互いに対向して形成された一対の突起１８から成り、スリット工２１は、流路工１２の横幅方向の左右両側に設けられ、それぞれスリット２２を有する堰として形成され、分散工２５は、流路工１２を挟んで左右の両側に、複数対上方に突出して形成されている。【選択図】図１
To provide a debris flow accumulation structure capable of effectively accumulating a large amount of sediment, debris and like.SOLUTION: A debris flow accumulation structure 1 comprises a concave structure body 2, an inlet part 8 and an outlet part 9, wherein the concave structure body 2 is widened more than a width of a river, and has a bottom part 3 and a peripheral wall part 4 surrounding the periphery of the bottom part 3. A flow passage structure 12 is arranged at a center in a lateral width direction of the bottom part 3. In the debris flow accumulation structure 1, a contraction flow structure 17, a slit structure 21, and a dispersion structure 25 are consecutively arranged from an outlet side to an inlet side, wherein the slit structure 21 and the dispersion structure 25 are formed lower than the peripheral wall part 4. The contraction flow structure 17 comprises a pair of protrusions 18 formed on both sides of the flow passage structure 12 as facing to each other. The slit structure 21 is arranged on both of left and right sides in a lateral width direction of the flow passage structure 12 and formed as dams having a slit 22, respectively, and the dispersion structure 25 is protrudingly formed upward to a plurality of pairs on both of the left and right sides placing the flow passage structure 12 therebetween.SELECTED DRAWING: Figure 1
【課題】多量の土砂、土石等を、効果的に堆積可能とする。【解決手段】土石流堆積工１は、凹所構造体２、入口部８及び出口部９を有し、凹所構造体２は、河川の幅より拡幅されており、底部３と底部３の周囲を囲う周壁部４を有し、底部３の横幅方向の中央に流路工１２が設けられており、土石流堆積工１内には、出口側から入口側に順次、縮流工１７、スリット工２１及び分散工２５が配置され、スリット工２１及び分散工２５は、周壁部４の高さより低く形成されており、縮流工１７は、流路工１２の両側面に互いに対向して形成された一対の突起１８から成り、スリット工２１は、流路工１２の横幅方向の左右両側に設けられ、それぞれスリット２２を有する堰として形成され、分散工２５は、流路工１２を挟んで左右の両側に、複数対上方に突出して形成されている。【選択図】図１
DEBRIS FLOW ACCUMULATION STRUCTURE
土石流堆積工
SHIMA JOJI (author)
2020-12-03
Patent
Electronic Resource
Japanese
IPC:
E02B
HYDRAULIC ENGINEERING
,
Wasserbau
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