Penetration Test of Bitumen - видео

The penetration test measures the hardness and softness of the bitumen. The harder the bitumen the lower the penetration value and vice versa. In this test a penetrometer is used. It applies the needle with a load of 100-gram into the bitumen surface for 5 seconds. Grading bitumen with this test helps to use the proper bitumen for expected weather. This video is prepared to briefly acquaint you with the penetration_test. You will learn the following from this video: The purpose of a penetr...
Источник видео: RuTube.ru (Лайфстайл)