Push Plate Test of CRTS II Slab Ballastless Track: Theoretical Analysis, Experiments, and Numerical Simulation
نویسندگان
چکیده
Push plate test is a powerful tool to evaluate the interfacial bond performance of China railway track structure type-II slab ballastless (CRTS II SBTS). However, there still lack theoretical explanation push test. In this paper, linear proportional distribution method proposed in terms series analytical formulas describe force-displacement variation CRTS SBTS different damage stages horizontal The relationship established by agrees well with that observed full-scale then simulated, which bilinear cohesive zone model (CZM) was adopted simulate interface within structure. parameters CZM are calculated based on curves obtained from scale Particularly, normal determined vertical instead traditional splitting tensile simulation proves both maximum affected length undamage stage and damaged depend rather stiffness material than load. These two lengths given close those defined method. This indicates reliability capability determining parameters.
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ژورنال
عنوان ژورنال: Shock and Vibration
سال: 2021
ISSN: ['1875-9203', '1070-9622']
DOI: https://doi.org/10.1155/2021/1945385