BED, BANK & SHORE BED, BANK & SHORE PROTECTION - CHAPTER 1 doc

Faculty of Coastal Engineering BED, BANK & SHORE PROTECTION Lecturer: Pham Thu Huong Chapter INTRODUCTION (3 class hours) CONTENT General of Viet Nam coast The impacts cause the damages on coastal line Protect or not protect ? Coastal protection structures Working conditions and requirement with coastal structures How to look at protections ? How to deal with protections ? Schedule 45B (15Jan – 18May) 15 Jan: Chapter 22 Jan: Chapter 29 Jan: Chapter 05 Feb: Chapter (cont.) 12 Feb: Tet holiday 19 Feb: Tet holiday 26 Feb: Chapter 05 Mar: Chapter (cont.) 12 Mar: Chapter 19 Mar: Chapter (cont.) 26 Mar: Chapter 02 Apr: Chapter (cont.) 09 Apr: Assignment 16 Apr: Chapter 23 Apr: Chapter (cont.) 30 Apr: ??? 07 May: experiment 14 May: Summary General of Vietnamese Coast Islands in Ha Long as breakwaters Dong Chau beach (Thai Binh) Beach at Tien Giang river mouth (Go Cong) Sandy beach at Quang Binh Rocky beach at Hai Van mountain pass The impacts cause the damages on coastal line • Natural impacts: - Winds, typhoons ⇒ bring sand land ward or sea ward - Tides, salty water ⇒ erosion, rusted steel structures - Currents ⇒ erosion, creation - Waves ⇒ erosion, instability of coastal lines, damaging structures which protect bed, bank and shore - Chemical impacts ⇒ structures are corroded - Impacts of organisms Building codes in eroding coastal line Hue Examples of protection How to deal with protections? Cause and effect Designed protections North coast Java Failure Mechanisms Fault tree Load and strength for steel and granular structure Strength increase or load reduction Strength as a function of time and maintenance The end of Chapter The end of Chapter Construction Non – construction ... How to look at protections ? How to deal with protections ? Schedule 45B (15 Jan – 18 May) 15 Jan: Chapter 22 Jan: Chapter 29 Jan: Chapter 05 Feb: Chapter (cont.) 12 Feb: Tet holiday 19 Feb: Tet holiday... Tet holiday 26 Feb: Chapter 05 Mar: Chapter (cont.) 12 Mar: Chapter 19 Mar: Chapter (cont.) 26 Mar: Chapter 02 Apr: Chapter (cont.) 09 Apr: Assignment 16 Apr: Chapter 23 Apr: Chapter (cont.) 30... instability of coastal lines, damaging structures which protect bed, bank and shore - Chemical impacts ⇒ structures are corroded - Impacts of organisms Erosion in Nam Dinh coast Impacts of organisms