A Study on Water Wave Energy Dissipation Structures(4/4)

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簡歷

基本資料

Project title

Code/計畫編號

MOTC-IOT-101-H2DB005a

Translated Name/計畫中文名

消能式結構物特性之研究(4/4)

Project Coordinator/計畫主持人

Jaw-Guei Lin

Funding Organization/主管機關

Institute of Transportation, MOTC

Co-Investigator(s)/共同執行人

岳景雲
陳文俊
楊國誠
翁文凱

Department/Unit

Department of Harbor and River Engineering

Website

https://www.grb.gov.tw/search/planDetail?id=2404834

Year

2012

Start date/計畫起

01-01-2012

Expected Completion/計畫迄

30-11-2012

Co-Investigator(s)

Kuo-Cheng Yang
Wen-Kai Weng

Bugetid/研究經費

2160千元

ResearchField/研究領域

土木水利工程
防災工程

本計畫為四年期研究計畫的第四年，前三年計畫中藉由水工模型斷面試驗或數值模擬等方式探討並發展符合臺灣各區地理環境需求與功能屬性的新型消能式港灣結構物，包含長波抗浪型、功能目的使用型或臨時性設施型、以及環境保護型等三大類型結構物，以替代傳統保護港灣、海岸之重力式海岸結構物，並期能達符合海岸空間環境需求且具保全功能之目的。此外，也探討海岸公路邊坡的破壞案例、機制與防治工法。長波抗浪型結構物的研究中研發一種利用內建斜坡及多孔隙消波室，可促使波浪越波消能的碼頭結構物的雛形，並由水工模型試驗確認即使在入射波週期為40秒之長波亦能得到0.5的反射率，顯示其可行性；功能目的使用型或臨時性設施型的研究中探討了外加襯板的浮式結構物的運動行為及附近波場特性，發現適當的襯板設置可以增加浮體的阻尼效果；環境保護型則著重於探討多種型式的繫/離岸潛式多孔隙透水結構物的波浪特性。在探討海岸公路邊坡防護的結構物方面，主要是收集公路邊坡的破壞案例以及相關文獻與資料，並檢討各案例的破壞原因，以及利用水工模型試驗進行個案評估。本年度的計畫主要是綜合評估過去三年的研究成果，選擇最優配置方案，並就工程應用上所需要的相關參數進行圖表或經驗公式的建置。 In this final year of the four years study entitiled with “A Study on Water Wave Energy Dissipation Structures”, the major goal is, by using the numerical simulations or hydraulic model tests, to develop suitable new wave dissipation structures which satisfy the different coastal characteristics and function requirements of protective facilities for Taiwan coastal zone. The functions of such structures needed around the Taiwan coast in different area in-clude long period wave dissipation type, fast installation/special purpose type, and environ-mental protection type. In the past three years, three new types of coastal structures had been designed, tested, and evaluated. For the study on long period wave dissipation type structure, a new wharf structure which utilized an internal slope that can cause the wave overtopping and dissipate the wave energy had been designed, through hydraulic model tests, the proto-type was proved to have good wave dissipation function, including the long period incident waves. In the study on the fast installation/special purpose type structure, a skirt type floating structure was developed and tested and the length and the inclined angle of skirts were found to have dominant influence for wave energy dissipation. In the study on the environmental protection/restoration type structure, the influence of submerged permeable structure on wave characteristics was studied. For the study of shore protection of coastal highway, the failure cases and the possible solutions were collected and analyzed, and also the relative references and the characteristics about the coastal highway of Taiwan were collected and discussed. In this final year’s researches, all three new types of coastal structure will be studied more detail in accordance to the practical use, the parameters which related to planning and design were evulated, and the monitoring, protection, and maintenance criteria for coastal highways will be collected and evaluated.

Keyword(s)

消能式結構物
數值模擬
水工模型試驗
海岸公路
邊坡保護
Wave dissipation structure
Numerical simulation
Hydraulic model test
Coastal highway
Shore protection

DSpace CRIS

A Study on Water Wave Energy Dissipation Structures(4/4)

基本資料

Description