冻结”接头鱼尾板动弯应力准静态计算方法

Quasi一StaticCalculationMethodforDynamicBendingStressof RailSPlicesforFrozenJointofJointlessTrack

摘要: 将鱼尾板简化为“铰十扭转弹簧”结构，建立了鱼尾板静弯矩的简化算法，与较为准确的双层叠合梁方法相比，误差约为土10%比照钢轨动弯应力算法，对其中的速度系数和横向水平力系数进行了适当修正，建立了鱼尾板动弯应力准静态算法，并与现场实测数据进行了对比，验证了算法的实用性。
- 无缝线路轨道 /
- 鱼尾板 /
- 动弯应力 /
- 准静态方法
Abstract: AealeulationmethodforthestatiemomentofrailsPliees15presentedbysimplifyingtherail splieesintothestruetureofahingeplustorsionalsprings，and15eomParedwiththeeomparatively aeeuratedoublelaminatedbeammethod，withanermrofabout士10%.Throughmodifyingthe veloeityandthelateralforoeeoeffieients，thequasi一statieealeulationmethodforthedynamiebending stressofrailsplieesforfrozenjoint15proPosedbasedontheealeulationmethodforthedynamie bendingstressofrails.Themethod15validatedbyeomParingtheealeulatedresultsandthedatafrom fieldtest.
- joinilesstraeks:railsPliees:dynamiebendingstress /
- quasi一statiemethod /

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