Abstract
Many anchor bolts are used in nuclear-related facilities in order to fast some equipments and pipes. About these anchor bolts, the possibilities should exist in being exposed to high temperature due to accident. However, little information is available regarding the effects of high temperatures on the behavior of anchor bolts. To obtain basic experimental data and to examine the response of cast-in-place anchor bolts to high temperature exposure, pullout strength of an anchor bolt during heating and after heating was examined. The maximum temperature in this test is 500 °C and two different rate of heating were prepared. Tests results show that pullout strength decreases with increasing surface temperature. Regardless of different rate of heating in this experiment, identical ratio of pullout strength of anchor bolt was obtained when the same temperature of concrete surrounding the bolt head was applied.
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