Title |
A Feasibility Study to Adopt BIM-based Infrastructure Management System |
Authors |
김정환(Kim, Jeonghwan) ; 지승구(Ji, Seung-Gu) ; 정태형(Jeong, Taehyung) ; 서종원(Seo, Jongwon) |
DOI |
https://doi.org/10.12652/Ksce.2014.34.1.0285 |
Keywords |
경제성 분석;시설물 유지관리;사회기반 시설물 BIM;Feasibility study;Facility management;Infrastructure |
Abstract |
This experimental study presents the fatigue evaluation of a precast deck connected using Ultra-High Performance, Fiber Reinforced Concrete (UHPFRC). Four types of two identical large-scale specimens were fabricated with simplified splice rebar details which had a short splice length of ten times rebar diameter. The flexural behavior of each type of specimens until failure was investigated and fatigue behavior of the same type of specimens was then evaluated using two-million cyclic loading. In the flexural tests, tensile rebars exhibited the deformation exceeding yielding strain but failure mode related to the splice details was not observed in spite of such a short splice length. In the fatigue tests, damage was not appreciably accumulated by the cyclic loading except initial flexural cracks and the stress variations in tensile rebars was less than the allowable stress range. These experimental results demonstrate that all types of specimens exhibited acceptable fatigue performance and indicate that enhanced mechanical properties of ultra-high performance material permits to use a simplified splice details along with short joint width. |