机场滑行道桥结构设计中军用飞机荷载作用的确定
On the Determination of the Action of the Load of Military Aircraft in the Structural Design of a Taxiway Bridge
  
中文关键词:航空运输  滑行道桥  内力  军用飞机
英文关键词:air transportation  taxiway bridge  internal force  military aircraft
基金项目:
作者单位
陈正磊 空军工程大学机场建筑工程教研室,陕西西安710038 
于俐婷 空军工程大学机场建筑工程教研室,陕西西安710038 
蔡良才 空军工程大学机场建筑工程教研室,陕西西安710038 
王观虎 空军工程大学机场建筑工程教研室,陕西西安710038 
庞楷 空军工程大学机场建筑工程教研室,陕西西安710038 
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中文摘要:
      利用有限元建立军用机场滑行道桥结构分析模型,通过分析5种军用飞机相关主起落架构造及多项荷载参数,对军用飞机荷载作用机场滑行道桥不同位置时的结构内力作用响应进行对比分析。结果表明,不同军用飞机作用滑行道桥不同位置时,其内力分布相似,但大小是不同的。综合分析可以得出,滑行道桥内力作用主要受飞机种类及相关荷载特性影响。在设计军用机场滑行道桥时,机型A与机型B、机型C与机型D荷载可以等效代替;5种飞机同时使用一个机场时,设计荷载主要以C、D机型为主。
英文摘要:
      A structural analysis model for the taxiway bridge of a military airfield is established with the help of the finite element software in the present paper, upon the basis of which the responses of internal forces of the structure at different positions of the airfield taxiway bridge under the action of the load of military aircraft are compared and analyzed through analyzing five kinds of relevant main landing gear structures and multiple load parameters. The results show that the internal forces acting on the taxiway bridge are similar in distribution but different in magnitude when different military aircraft act upon a taxiway bridge at different positions. It is concluded from comprehensive analyses that the action of the internal forces of the taxiway bridge is chiefly affected by the type of the military aircraft and the characteristics of the relative loads. When a taxiway bridge of the military airfield is designed, the loads of Type A aircraft and Type B aircraft, Type C aircraft and Type D aircraft can be equivalently inter replaced; when five types of military aircraft use the same military airfield, the designed load chiefly adopts the load of Type C and Type D aircraft.
陈正磊,于俐婷,蔡良才,王观虎,庞楷.机场滑行道桥结构设计中军用飞机荷载作用的确定[J].国防交通工程与技术,2019,17(6):14~19
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