Based on extensive observations and a survey of the perfrmance of unbonded post-tensioned buildings, the paper presents a categorization the common cracks in beams and slabs. The principal causes of crack formation due to restraining effects of supporting structures are discussed in detaiI. Current methods of crack formation control are presented and evaluated. The consequences of cracks on serviceabiiity and strength of post-tensioned buildings are reviewed.Recommendations are made for crack mitigation and maintenance of buildings which are post-tensioned with unbonded tendons.

LOKASI: Rak Penelitian 2
Kode: PTI-007