| 摘要 |
PURPOSE: An eco-friendly log underwater barrage structure is provided to cut down construction expenses by simplifying a construction work. CONSTITUTION: The eco-friendly log underwater barrage structure comprises: an underwater barrage(1) composed of preservative treated logs placed on a riverbed across a river to rise the water level of the upper stream by stopping the flow of a river; a fixed pile(2) composed of synthetic materials and interposed to a riverbed to support the underwater barrage(1), then to fix the location of the underwater barrage; many support stones(3) composed of huge stones and placed on the riverbeds of the upper stream and the lower stream of the underwater barrage(1) to support the underwater barrage(1); and branches of trees(7) interposed among the support stones(3) to form a habitat of underwater creatures.
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