DNV散货船培训.pdfVIP

Bulk Carriers 散货船散货船-结构结构Bulk Carriers - Hull Structure 散货船散货船 结构结构 Slide 1 26.08.2009 Bulk Carriers 内容提要内容提要-散货船散货船Contents – Bulk Carriers 内容提要内容提要散货船散货船 1. 介绍散货船结构Introduction to Bulk carrier hull structure 2. 结构细分-结构单元的功能Hull structural breakdown – function of hull elements: • 船侧，船底，甲板，横舱壁，纵舱壁，横框架，包括所有 结构相关破坏特征。Side, bottom, deck, transverse bulkhead, longitudinal bulkhead, web frames including relevant hull damages for all structural elements 3. 案例Case Slide 2 26.08.2009 Bulk Carriers 散货船特征散货船特征Characteristics for Bulk Carriers 散货船特征散货船特征 • 单壳/底边舱/顶边舱Single skin / hopper top-wing tanks • 重货物Heavy cargoes • 大载荷作用在双层底上Large net load on double bottom • 船侧高剪切应力High shear stresses shell side • 对泄漏敏感-结构可能完全坍塌Sensitive to leakage - total structural loss • 高装载效率High loading rate • 横向强度Transverse strength • 甲板上浪Green seas • 低公众注意度Not much public attention (no vetting) • 进水后，很低的生存力Low survival capability when flooded • 出事船舶量大High number of vessels lost Slide 3 26.08.2009 Bulk Carriers 散货船装载弹性Bulk Carrier loading flexibility • Bulk Carrier HC/EA y t i – 满吃水下任何舱可以为空Any hold empty at full draught l i b i x • Bulk Carrier HC/E – hold 2,4,6 …. Empty e l f – 满吃水下，部分舱室可以为空Given combination of holds empty at d e full draught c u d • Bulk Carrier HC e R – 80% 满吃水下任何舱室为空Any hold empty at 80% of full draught 低 降 性 • Bulk Carrier 弹 – 60% 满吃水下任何舱室为空Any hold empty at 60% of full draught Slide 4 26.08.2009 Bulk Carriers 历史History • 1954年建- Cassiopeia • Built in 19