SAND CONTROL DAM

• Main Authors: URA MAKOTO, UMEZAWA HIROYUKI, KIMURA YOSHITSUGU
• Format: Patent
• Language: English; Japanese
• Published: 11.10.2021
• Subjects: FIXED CONSTRUCTIONS; FOUNDATIONS; HYDRAULIC ENGINEERING; SOIL SHIFTING

To provide a sand control dam that can be completed in a short period of time.SOLUTION: A rope 3 is laid between rope installation columns 2 attached to heavy object storage bodies 4 on both sides of a valley portion R in a width direction. A net body 1 is engaged with or connected to the rope 3, and the net body 1 is stretched in a region up to a predetermined height position in a substantially width direction of the valley portion R. A net body 6 is stored inside a box body 5 of the heavy object storage body 4, and a stored object S is stored inside the net body 6. By using, for example, boulders or rocks near a construction site for the stored object S, the heavy object storage body 4 is stably installed by the weight of the stored object S, and functions as a reaction force body at the time of debris flow capture. Using a plurality of plate members 7 forming a wall portion of the box body 5, and a plurality of beam members 8 supporting the plate members 7 to form the box body 5, a plurality of pillar members 9 erected on an outer peripheral surface of the box body 5 to support the plate member 7 and the beam member 8, the heavy object storage body 4 constructs the box body 5 of the heavy object storage body 4 at the construction site.SELECTED DRAWING: Figure 1 【課題】短期間に完成させることができる砂防堰堤を提供する。【解決手段】谷部Ｒの幅方向両側の重量物収納体４に取付けられたロープ設置用支柱２間にロープ３を架け渡し、そのロープ３にネット体１を係合又は連結して谷部Ｒの略幅方向にネット体１が所定高さ位置までの領域で張設される。重量物収納体４の箱体５の内部には網体６が収納され、その網体６の内部に収納物Ｓが収納される。この収納物Ｓに、例えば、施工現場近傍の巨礫や岩石を用いることで、それら収納物Ｓの重量で重量物収納体４が安定設置され、土石流捕捉時の反力体として機能する。重量物収納体４は、箱体５の壁部を形成する複数の板部材７、その板部材７を支持して箱体５を構成する複数の梁部材８、それら板部材７や梁部材８を支持するために箱体５の外周面に立設される複数の柱部材９を用いて、施工現場で重量物収納体４の箱体５を構築する。【選択図】図１