Beginning in 1893 he was professor of pathology at cooper medical college. Test for workability of concrete slump cone youtube. Nf en 123502 avril 2012, essais pour beton frais partie 2. Albert abrams, a native of san francisco, received an m. It is a smaller version of the abrams cone for cement pastes and grouts. The spread flow is measured using a mini cone test. Le cone d abrams est fixe a linterieur du recipient cylindrique fig. From an early age, abrams began playing the guitar and piano. Colonel abrams his real name was born in detroit, michigan. Pdf ecoulements daffaissement et detalement researchgate. It is one of the physical parameters of concrete which affects the finesse, strength and durability. The final spread is plotted in terms of the plastic yield value on fig. The test is carried out using a metal mould in the shape of a conical frustum known as a slump cone or abrams cone, that is open at both ends and has attached handles.
Essai daffaissement au cone dabrams slump test youtube. The tool typically has an internal diameter of 100 millimetres 3. The ease with which one can use concrete is called workability. It is demonstrated that, although the slump flow test is a good quality control empirical test, it is not correlated to the yield stress of the tested material as the thickness of the sample at flow stoppage is of the same order as. Memoire online formulation et performances dun beton. Validation of btrheom, the new rheometer for softtofluid. This paper deals with two simple and cheap techniques to quantify the workability of self compacting concrete scc.
785 224 667 184 738 841 802 1511 654 268 1367 1077 81 135 166 466 567 152 480 145 1093 927 718 1240 112 764 198 522 671