Dynamic Response Analysis Method of a High-Strength RC Beam Subjected to Long-Duration Blast Loading
Haochuan Zhao,
Fan Zeng,
Xiaowei Feng
et al.
Abstract:An analysis method of normalized pressure–impulse (P-I) diagrams related to the ductility ratio of structural components is proposed, to quickly estimate the dynamic response of high-strength reinforcement concrete (RC) beams subjected to long-duration blast loading. Firstly, the overall bending deformation mode of RC beams is uncovered via explosion tests in a closed chamber, where the durations of the near-planar blast loadings are varied within 80–105 ms. Then, a single-degree-of-freedom (SDOF) model is est… Show more
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