Tests of Authentic Low-Performance Concrete Specimens Strengthened with CFRP Sheets


Eid R., Jaber G., Dancygier A. N., Rutenberg A.

10th International Conference on Fibre-Reinforced Polymer (FRP) Composites in Civil Engineering (CICE), İstanbul, Turkey, 8 - 10 December 2021, vol.198, pp.1495-1504 identifier identifier

  • Publication Type: Conference Paper / Full Text
  • Volume: 198
  • Doi Number: 10.1007/978-3-030-88166-5_130
  • City: İstanbul
  • Country: Turkey
  • Page Numbers: pp.1495-1504
  • Keywords: Low-performance concrete, FRP, Shear strength, Existing structures
  • Istanbul Technical University Affiliated: No

Abstract

Many existing old buildings constructed in Israel several decades ago are still in service and are likely to remain so for a relatively long time. Such buildings were commonly built using poor materials and construction practices. They include exterior walls, as well as interior partitions, which form part of the vertical gravity structural system. These walls are made of un-reinforced low-performance concrete (LPC) characterized by the presence of large aggregates (about 100 mm or more). Furthermore, in many of such old buildings, LPC walls are the sole vertical structural elements that carry gravity loads and support the floor slabs. Apparently, these old structures were neither designed nor constructed to withstand seismic actions. Yet, these walls usually have relatively medium to large dimensions, and hence, they possess considerable stiffness. Together with non-negligible mass, these walls are likely to attract substantial lateral seismic loads during future earthquakes. Strengthening of LPC walls requires knowledge of their mechanical properties, especially their shear resistance, which is the main object of the present study.