Original ResearchPublished 2 October 2026Experimental study on strain redistribution and peak-load degradation of reinforced concrete lattice beams under localized beam-bottom support lossChungen Wei · Shengfeng He · Zirong Huang · Sheng Liu · Cheng Yang · Biao Nie · Qingqing Zhang · Yuhang Wu · Qingyuan Liu · Yashen GuFrontiers in Materialsdoi 10.3389/fmats.2026.1964867