摘要
船舶多锚链系泊在一定程度上限制了船舶的漂移和偏荡,明显地降低了船舶的冲击力,过驳平台船为了在较平稳的状态下进行装卸,在受限水域中应首先考虑采用多点系泊.在求得锚碇系统各锚链上所受的外力后,可按本文导得的悬链线或抛物线方程求得锚碇系统各参数值.本文通过实例,根据锚地水深选择锚链直径φ,并确定能保证可靠锚泊应配置的最小锚链长度S_0和卧底链长度L_1并对所选锚链进行强度校核.选定铁锚或钢筋砼锚块及其埋深,按锚碇型式确定抓力系数,进而确定铁锚或钢筋砼锚块的重量.
By using a multi-anchor chain mooring system, the surge, sway and yaw ossilations of a ship is to some extent limited and this leads to considerable reduction of ship impact. In order to achieve sooth cargo handling it is preferable to choose the multi-anchor chain system for the anchored cargo transhipment floating platform in restrict water areas. The parameter of the mooring system can be determined by using catenary or prabolic formula deduced in the present paper. A practical example is given for the design of anchorage in which the diameter of anchor chain ?, the minimum chain length S_0 and the horizantal chain lenth at sea bed L, are determined according to the water depth, the strength of the anchor chain is checked, and the weight and the burried depth of reinforced concrete or iron anchor block are chosen.
出处
《河海大学学报（自然科学版）》
CAS
CSCD
1993年第2期21-27,共7页
Journal of Hohai University(Natural Sciences)
关键词
多锚链系泊
船舶
稳定性
anchoring system
anchored floating platform
design of anchorage
multi-anchor chainmooring
