渔业现代化
漁業現代化
어업현대화
FISHERY MODERNIZATION
2014年
6期
22-27
,共6页
张光发%黄亚南%梁峻%陈勇%邓长辉
張光髮%黃亞南%樑峻%陳勇%鄧長輝
장광발%황아남%량준%진용%산장휘
外海延绳式浮筏养殖%抗风浪能力%水动力
外海延繩式浮筏養殖%抗風浪能力%水動力
외해연승식부벌양식%항풍랑능력%수동력
deepwater long-line aquaculture facility%anti-wave ability%hydrodynamic
本文基于静力假定对外海延绳式浮筏养殖设施的系统受力及其失效模式进行了分析,计算了不同波高(1~7 m)条件下养殖装置海底桩绳的最大张力,再根据桩绳的断裂强度以及锚桩的海底抓力,对养殖装置的抗风浪能力进行了估算,建立了外海延绳式浮筏养殖设施的抗风浪能力估算模型。利用该模型对架设于獐子岛海域30 m水深的2种规格的浮筏养殖设施进行了抗风浪能力分析。结果显示,主绳长300 m和200 m的筏架系统,在1.5 m/s流速的海域中,其抗风浪能力分别为5~6级海浪(对应风级7~8级)和6~7级海浪(对应风级8~9级)。通过与实测值比较,桩绳最大张力的计算结果与实测值吻合较好,筏架系统抗风浪能力的估算值与实际事故报告的情况相一致。在外海延绳式浮筏养殖设施的初步设计阶段,可参考该模型选择养殖装置的结构尺度。
本文基于靜力假定對外海延繩式浮筏養殖設施的繫統受力及其失效模式進行瞭分析,計算瞭不同波高(1~7 m)條件下養殖裝置海底樁繩的最大張力,再根據樁繩的斷裂彊度以及錨樁的海底抓力,對養殖裝置的抗風浪能力進行瞭估算,建立瞭外海延繩式浮筏養殖設施的抗風浪能力估算模型。利用該模型對架設于獐子島海域30 m水深的2種規格的浮筏養殖設施進行瞭抗風浪能力分析。結果顯示,主繩長300 m和200 m的筏架繫統,在1.5 m/s流速的海域中,其抗風浪能力分彆為5~6級海浪(對應風級7~8級)和6~7級海浪(對應風級8~9級)。通過與實測值比較,樁繩最大張力的計算結果與實測值吻閤較好,筏架繫統抗風浪能力的估算值與實際事故報告的情況相一緻。在外海延繩式浮筏養殖設施的初步設計階段,可參攷該模型選擇養殖裝置的結構呎度。
본문기우정력가정대외해연승식부벌양식설시적계통수력급기실효모식진행료분석,계산료불동파고(1~7 m)조건하양식장치해저장승적최대장력,재근거장승적단렬강도이급묘장적해저조력,대양식장치적항풍랑능력진행료고산,건립료외해연승식부벌양식설시적항풍랑능력고산모형。이용해모형대가설우장자도해역30 m수심적2충규격적부벌양식설시진행료항풍랑능력분석。결과현시,주승장300 m화200 m적벌가계통,재1.5 m/s류속적해역중,기항풍랑능력분별위5~6급해랑(대응풍급7~8급)화6~7급해랑(대응풍급8~9급)。통과여실측치비교,장승최대장력적계산결과여실측치문합교호,벌가계통항풍랑능력적고산치여실제사고보고적정황상일치。재외해연승식부벌양식설시적초보설계계단,가삼고해모형선택양식장치적결구척도。
Based on statics and under simplified conditions, the force and failure mode of deepwater long?line rope aquaculture facility system were analyzed, and maximum tensions of the mooring rope in the system in different sea wave heights (1?7 m) were calculated to compared to its breaking strength and mooring force of anchoring stake for evaluating anti?wave ability of the aquaculture facility. By this method, the model of evaluating anti?wave ability of deepwater long?line rope aquaculture facility was established. As an instance, the anti?wave abilities of two scales of deepwater long?line rope aquaculture facilities erected in 30?meter?deep sea waters of Zhangzidao farming sea area were analyzed by using the evaluation method and model. The results of the theory analysis showed that the anti?wave abilities of the two scales (300 m and 200 m main rope length) of aquaculture facilities system were respectively 5?6 level of sea waves (7?8 Beaufort wind scale) and 6?7 level of sea waves (8?9 Beaufort wind scale) in the areas with the sea current of 1.5m/s. By comparison, the calculation result of the maximum tensions of the mooring rope was fit with the actual measurement. Thus the method and model of evaluating anti?wave ability of deepwater long?line rope aquaculture facility could be referenced for designing the scales of deepwater long?line rope aquaculture facility in the preliminary design stage.