A survey on strengthening of reinforced concrete beams | ||||
| Journal of Contemporary Technology and Applied Engineering | ||||
| Article 5, Volume 4, Issue 1, June 2025, Page 53-67 PDF (1.36 MB) | ||||
| Document Type: Original Article | ||||
| DOI: 10.21608/jctae.2025.379546.1051 | ||||
 View on SCiNiTO | ||||
| Authors | ||||
Amira ebrahim elnagar  1; Sabry Elmorsy Fayed 2; Ali Mohamed Basha1
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| 1Civil engineering department Faculty of Engineering, Kafr El-sheikh university,Kafr El-sheikh , Egypt | ||||
| 2civil dept., faculty of engineering, kafrelshiekh university, Egypt. | ||||
| Abstract | ||||
| In general, strengthening and rehabilitation are needed for the structural components of reinforced concrete (RC) buildings and bridges, particularly the beams. Environmental factors, adjustments to the original use that caused higher applied loads, or structural upgrades to adhere to and implement the latest design rules and principles. Throughout their service lives, reinforced concrete beams most likely encounter several types of impact loading. Because such impact loading may destroy the entire structure human life is at danger. In this literature review, drop weight loading is used to increase the impact performance of reinforced concrete structures, Rc strengthened beams were tested and impacted with different techniques of drop weight and different heights. The key variables in the study were the drop height in addition drop hammer and cross-sectional measurements. It was resulted that RC beams behaved differently from when subjected to static loading in contrast subjected to impact loads. For reinforced concrete buildings, increasing the drop height greatly enhanced the sustained blows. Providing strengthening layer in tension side and using sustainable internal reinforcement reveal the best structural behavior on the structure service life. | ||||
| Keywords | ||||
| Drop hammer; low-velocity impact; repair, Strengthening, Beams | ||||
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