辽宁工程技术大学学报(自然科学版)
遼寧工程技術大學學報(自然科學版)
료녕공정기술대학학보(자연과학판)
JOURNAL OF LIAONING TECHNICAL UNIVERSITY NATURAL SCIENCE EDITION
2001年
2期
162-165
,共4页
近海结构%失效概率%可靠性%评价%导管式平台
近海結構%失效概率%可靠性%評價%導管式平檯
근해결구%실효개솔%가고성%평개%도관식평태
计算了BS3导管式海洋平台及其基础和甲板支腿结构系统在淹没深度为7.5m到12m范围内的失效概率Pf,提出了平台的非线性结构计算模型,确定了作用在平台、甲板和连桥上的载荷,最后分析了系统抗力和平台的可靠性。根据可靠性分析结果,提出了延长平台使用寿命的技术措施。该项目的计算方法和研究成果可供类似结构分析和工程实践参考。
計算瞭BS3導管式海洋平檯及其基礎和甲闆支腿結構繫統在淹沒深度為7.5m到12m範圍內的失效概率Pf,提齣瞭平檯的非線性結構計算模型,確定瞭作用在平檯、甲闆和連橋上的載荷,最後分析瞭繫統抗力和平檯的可靠性。根據可靠性分析結果,提齣瞭延長平檯使用壽命的技術措施。該項目的計算方法和研究成果可供類似結構分析和工程實踐參攷。
계산료BS3도관식해양평태급기기출화갑판지퇴결구계통재엄몰심도위7.5m도12m범위내적실효개솔Pf,제출료평태적비선성결구계산모형,학정료작용재평태、갑판화련교상적재하,최후분석료계통항력화평태적가고성。근거가고성분석결과,제출료연장평태사용수명적기술조시。해항목적계산방법화연구성과가공유사결구분석화공정실천삼고。
According to calculation the probability of failure(Pf) of the Bridge Support I(BS1)jacket, foundation and deck leg structural system for a range of subsidence level is from 7.5 meters to 12.0 meters. The non-linear structure compute model was developed first, and the loads on jacket, deck and bridge were predicted. The system capacity and the reliability for the platform have been calculated finally. According to the analysis results of reliability analysis, the technical measure for platform's life extending have been proposed. The calculation methods and the study achievements can be for reference in similar structure analysis and engineering practice.