基于抛石保护法的施工过程对海底电缆的力学冲击分析
|
摘要
中国南方电网责任有限公司联合海南电网投资并建设了我国第一个海南跨海联网工程,以实现我国远距离、大功率传输电能的宏伟战略目标和解决当地人民日益增长的供电需求.但是,海底电缆(海缆)常常由于复杂的海洋环境和各种外在的人文因素而常遭受到各种类型和不同程度的损伤以及破坏.针对海底电缆不同的防护方法,主要基于抛石保护法的施工过程对海底电缆造成的力学冲击进行仿真分析,得到在施工过程中由于不同的块石粒径和不同的抛石层堆积厚度对海底电缆造成的冲击力和侧压力变化规律,由此推出在保证海缆机械性能和力学性能的前提下,实际施工过程当中最优的石块粒径和堆积层厚度.对同类或相近工程的施工提供一定的指导价值和意义.
China Southern Power Grid Liability Co.,Ltd has invested and built the first Hainan Trans-Sea networking project in China,in order to realize the grand strategic target of long-distance and high-power transmission of power and to solve the increasing demand of the local people.However,submarine cables are often subjected to various types and varying degrees of damage and destruction due to complex marine environments and various external human factors.For different protection methods of submarine cables,this paper is mainly based on the simulation analysis of the mechanical impact of the submarine cable caused by the construction process of the Riprap protection method,and obtains the change law of the impact force and the lateral pressure caused by the different stone size and the stacking thickness of different riprap layers in the construction process,It provides some guiding value and significance to the construction of similar or similar projects.
China Southern Power Grid Liability Co.,Ltd has invested and built the first Hainan Trans-Sea networking project in China,in order to realize the grand strategic target of long-distance and high-power transmission of power and to solve the increasing demand of the local people.However,submarine cables are often subjected to various types and varying degrees of damage and destruction due to complex marine environments and various external human factors.For different protection methods of submarine cables,this paper is mainly based on the simulation analysis of the mechanical impact of the submarine cable caused by the construction process of the Riprap protection method,and obtains the change law of the impact force and the lateral pressure caused by the different stone size and the stacking thickness of different riprap layers in the construction process,It provides some guiding value and significance to the construction of similar or similar projects.
引文
[1]何才豪,莫林涛.海南联网工程500 kV海底电缆路由检测技术的研究与应用[J].中国电业,2015(9):30-38.
[2]吴庆华,陈建康.中国首条500 kV海底电缆线路工程的设计[J].中国电业,2014,9(10):46-54.
[3]陈凯华.海南联网海缆敷设施工与防护[J].南方电网技术,2009,3(5):25-27.
[4]林国新.高压输电线路跨海通道建设方案比选研究[J].东北电力大学学报,2017,37(4):86-93.
[5]郑春生.胜利埕岛油田海底电力电缆故障类型与原因分析[J].事故分析与预防,2016,16(2):6-10.
[6]郑新龙,李世强,徐蓓蓓.海底电力电缆的损伤分析与防护[J].电气技术,2013(12):86-89.
[7]王秀卫.论南海海底电缆保护机制之完善[J].海洋开发与管理,2016,9(9):3-6.
[8]赵治中.海底电缆堆石保护方案研究[D].天津:天津大学,2016,12.
[9]肖鹏.海底电缆抛石保护层抗锚害能力分析[D].武汉:华中科技大学,2012,01.
[10]纪君娜,刘晓青,刘臻.散抛块石对海底电缆冲击力的计算分析[J].海岸工程,2015,34(4):48-54.
[11]李少华,马金博,张立栋.虚拟场景中片理颗粒的碰撞仿真[J].东北电力大学学报,2014,34(5):54-59.
[2]吴庆华,陈建康.中国首条500 kV海底电缆线路工程的设计[J].中国电业,2014,9(10):46-54.
[3]陈凯华.海南联网海缆敷设施工与防护[J].南方电网技术,2009,3(5):25-27.
[4]林国新.高压输电线路跨海通道建设方案比选研究[J].东北电力大学学报,2017,37(4):86-93.
[5]郑春生.胜利埕岛油田海底电力电缆故障类型与原因分析[J].事故分析与预防,2016,16(2):6-10.
[6]郑新龙,李世强,徐蓓蓓.海底电力电缆的损伤分析与防护[J].电气技术,2013(12):86-89.
[7]王秀卫.论南海海底电缆保护机制之完善[J].海洋开发与管理,2016,9(9):3-6.
[8]赵治中.海底电缆堆石保护方案研究[D].天津:天津大学,2016,12.
[9]肖鹏.海底电缆抛石保护层抗锚害能力分析[D].武汉:华中科技大学,2012,01.
[10]纪君娜,刘晓青,刘臻.散抛块石对海底电缆冲击力的计算分析[J].海岸工程,2015,34(4):48-54.
[11]李少华,马金博,张立栋.虚拟场景中片理颗粒的碰撞仿真[J].东北电力大学学报,2014,34(5):54-59.