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1 International Journal of Applied Mechanics and Engineering

1 2023

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Evaluation of YLT method to estimate the load carrying capacity of one-way patched reinforced concrete slab under concentrated load

Kristiawan Stefanus Adi, Basuki Achmad, Supriyadi Agus, Santosa Bambang, Marwoto Sofa

International Journal of Applied Mechanics and Engineering

2023

Vol. 28, no. 1

47--57

An unsaturated polyester resin (UPR) mortar was applied to repair the damage to the tension zone's one-way reinforced concrete (RC) slabs. The load carrying capacity of the patched RC slab is of interest to justify the effectiveness of the repair. The Yield Line Theory (YLT) may be used to estimate the load carrying capacity of patched RC slabs under concentrated load. The results of the YLT are compared with the experimental results to evaluate the validity of the YLT method. The results confirm that patching alters the yield line formation, mainly when the concentrated load is applied close to the patching zone. Subsequently, the YLT method provides a higher load carrying capacity estimation deviation for slabs with a loading point near the patching zone. On the other hand, the YLT method estimates load carrying capacity accurately when the loading point is away from the patching zone.