Retrofitting and Rehabilitation of Vernacular housing in Flood Prone Areas in Sri Lanka

Shawn l., Gihan Ranasinghe, Gaindu Saranga Jayathilaka, Chintha Jayasinghe, Thishan Jayasinghe, Pete Walker, Dan Maskell

Research output: Contribution to journalArticlepeer-review

Abstract

This paper presents findings from an investigation into applications to improve the structural resilience and safety of low-rise vernacular masonry homes when subject to extreme flooding. In 2016 and 2017 flooding brought devastation throughout many areas in Sri Lanka. Findings from field investigations to evaluate, characterize, and quantify the extent and nature of structural damage to low rise vernacular masonry houses from these flood events are presented. Low cost solutions were developed to enhance the flexural capacity of masonry walls using reinforced plasters. Single storey homes in rural areas are particularly at risk from rapid flood events, and limited evacuation opportunities require a means of in-situ refuge. Focusing on these risks, a unique retrofitting project, including an elevated refuge area for occupants to escape and shelter during flood events, is also presented. This research will directly improve the welfare of vulnerable communities living in flood risk areas, minimizing the risk of flood induced structural failure, while enabling people to safely remain in their homes.
Original languageEnglish
Article number102420
JournalJournal of Building Engineering
Volume41
Early online date20 Mar 2021
DOIs
Publication statusPublished - 30 Sep 2021

Keywords

  • Cement Block
  • Fired Clay Brick
  • Masonry
  • Refuge
  • Resilience

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