| Title | The Coastal Protection and the Optimal Layout of Seawall for Recreational Virtual Function |
| Dept | Transportation Technology and Information Division |
| Year | 2004 |
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| Summary | Published in May 2004 IOT SERIAL No., 93-74-7107, 118pp. (The first year of two-year project) Promenade revetments can provide various functions of safety, marine recreations, such as sitting, walking, and landscape beautification to well match the increasing demand. To build harmonic promenade revetments instead of traditional seawalls or revetments is a new trend of marine engineering. However, so far no practical field case or design manual can be referred to design a promenade revetment. Therefore, the present project collects the existed foreign examples of promenade revetments and investigates the hydrodynamics of wave attacks on revetments, such as wave reflection and run-up, by numerical calculations. The assembled example pictures are classified into four kinds, including vertical type, step type, sloping type and mixed type. Besides, the characteristics, recreation functions and construction cost of each type were listed to serve as a reference for future use. Empirical formulations of wave reflection and run-up are regressively obtained form the computed results in form of a surf parameter for sloping revetments. These simple formulations are easy to calculate and suitable for engineer’s uses. IOT SERIAL No., 93-75-7108, 206pp. (The third year of four-year project) Promenade revetments can provide various functions of safety, marine recreations, such as sitting, walking, and landscape beautification to well match the increasing demand. To build harmonic promenade revetments instead of traditional seawalls or revetments is a new trend of marine engineering. This study is an extension of a previous two-year project for the coastal protection and the optimum layout of seawall for recreational virtual function. Theories and numerical models are performed to study the propagation of monochromatic wave over a series of submerged breakwater and revetment in which the characteristics of Bragg reflection were investigated under the conditions of breakwater number (N), breakwater height (D), spacing interval (S), bottom slope ( ), and incident angel ( ). In promenade revetment study, the present study collects the existed foreign examples of promenade breakwaters as well as revetments, and investigates the hydrodynamics of wave attacks on revetments, like wave reflection and run-up, by numerical calculations. As a result, the characteristics, recreation functions and construction cost of each type were listed to serve as a reference for future use. Empirical formulations of wave reflection and run-up are regressively obtained form the computed results in form of a surf parameter for sloping revetments. These simple formulations are easy to calculate and suitable for engineer’s uses. |
| Post date | 2005/08/15 |
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