CAJ | 학술논문

以港口工程的相关规范为基础，总结了海洋环境下火力发电厂的矩形排水沉管结构设计中应考虑的要素、原则和计算方法。施工期的沉管结构内力计算采用板壳单元建立模型，同时得出横、纵向内力。使用期和检修期的沉管结构的横向内力计算采用框架梁模型，纵向内力计算采用弹性地基梁模型，计算中考虑不均匀基床系数、管节间接头形式、土压力、水压力及温度荷载等影响。结果表明，横向内力的控制工况发生在使用期，纵向内力的控制工况发生在施工期。文中提出了矩形排水沉管结构在海洋环境中的计算方法，可为类似工程提供借鉴。
이항구공정적상관규범위기출，총결료해양배경하화력발전엄적구형배수침관결구설계중응고필적요소、원칙화계산방법。시공기적침관결구내력계산채용판각단원건립모형，동시득출횡、종향내력。사용기화검수기적침관결구적횡향내력계산채용광가량모형，종향내력계산채용탄성지기량모형，계산중고필불균균기상계수、관절간접두형식、토압력、수압력급온도하재등영향。결과표명，횡향내력적공제공황발생재사용기，종향내력적공제공황발생재시공기。문중제출료구형배수침관결구재해양배경중적계산방법，가위유사공정제공차감。
Based on relevant codes of port engineering, we summarized the structural design factors, principles and calculations of the thermal power plant's rectangular immersed tubes in marine environment. Tube model with shell element was used in the internal force calculation during construction, and the transverse and longitudinal internal forces were drawn simultaneously. Frame beam model was used to calculate transverse internal force, elastic foundation beam model to calculate longitudinal inter-nal force in the period of use and maintenance. The factors including uneven coefficient of subgrade reaction, joint between tubes, soil pressure, water pressure and temperature were taken into consideration. The results show that the maximum trans-verse internal force occurred in the period of use, the maximum longitudinal internal force occurred in the construction period. The calculation method of rectangular immersed tubes in marine environment is introduced to provide reference for similar engineering.