This paper describes laboratory tests on twelve simply-supported one-way slabs including four lightweight concrete slabs in this study and previously conducted experiments on eight self-compacting reinforced concrete slabs subjected to loading at the age of 14 days. | Instantaneous deflection of self-compacting and lightweight concrete slabs at early-age Engineering Solid Mechanics 2018 143-154 Contents lists available at GrowingScience Engineering Solid Mechanics homepage esm Instantaneous deflection of self-compacting and lightweight concrete slabs at early- age Behnam Vakhshouria and Shami Nejadib a PhD candidate Center for Built Infrastructures CBIR School of civil and environmental engineering University of Technology Sydney UTS Sydney Australia b A. Professor Center for Built Infrastructures CBIR School of civil and environmental engineering University of Technology Sydney UTS Sydney Australia A R T I C L EI N F O ABSTRACT Article history This paper describes laboratory tests on twelve simply-supported one-way slabs including four Received 22 November 2017 lightweight concrete slabs in this study and previously conducted experiments on eight self- Accepted 18 February 2018 compacting reinforced concrete slabs subjected to loading at the age of 14 days. All slab were Available online identical by dimensions of m long supported on m span 400 mm wide and 161 mm 18 February 2018 Keywords deep with 4N12 bars at an effective depth of 136 mm providing a reinforcement ratio of . Instantaneous deflection After seven days moist-curing the specimens were removed from the formworks and subjected Early-age loading to different values of the uniformly distributed loading including the self-weight of slabs. The Slab mid-span deflection of slabs was recorded immediately after putting the loading blocks on the Lightweight concrete slabs. Despite close values of the compressive strength of the mixtures the obtained results Self-compacting concrete validate the effect of the concrete type on the instantaneous deflection of slabs. A wide range Effective moment of inertia of existing models of the effective stiffness of reinforced concrete section were investigated to predict the instantaneous deflection .
