This study investigates the effects of high temperature with five different heating durations on residual properties of 30 MPa normal concrete. Concrete cubes were being heated up to 600°C for 30, 60, 90, 120 and 150 minutes. The temperature will keep constant for 30, 60, 90, 120 and 150 minutes. The standard temperature-Time curve ISO 834 is referred to. After heating the specimen were left to cool in the furnace and removed. After cooling down to ambient temperature, the residual mass and residual compressive strength were observed. The obtained result shows that, the compressive strength of concrete decrease as the heating duration increases. This heating duration influence, might affects the loss of free water present and decomposition of hydration products in concrete. As the heating duration increases, the amount of water evaporated also increases led to loss in concrete mass. Conclusively, the percentage of mass and compressive strength loss increased as the heating duration increased.
|Journal||IOP Conference Series: Materials Science and Engineering|
|Publication status||Published - 07 Dec 2017|
|Event||Global Congress on Construction, Material and Structural Engineering 2017, GCoMSE 2017 - Johor Bahru, Malaysia|
Duration: 28 Aug 2017 → 29 Aug 2017
All Science Journal Classification (ASJC) codes
- Materials Science(all)