Abstract
The integrity of Post-Tensioned (PT) concrete slabs is highly dependent on the design of the anchorages zone and the anchorage system used. Using new anchorage devices may require much experimental testing, particularly when we need to examine several parameters. This research aims to numerically investigate the stresses at anchorage zones when using a new anchor device. To that aim, a 3D finite element model for the slab and the anchor device was established using a finite element program. The numerical modelling technique and parameters were verified using the results of experimental work from literature. Anchorage device transversal ribs, ties around the device, and reinforcement in the end block slab were examined to study their effect on the end block stresses. It was found that the studied parameters have a considerable impact on the behaviour of the end block. Also, numerical modelling was successful in studying anchorage zones stresses when using new anchorage devices.
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