Highway Lab. - Test for Softening Point of Bitumen

การทดสอบจุดอ่อนตัวของวัสดุบิทูเมนโดยใช้เครื่องวงแหวนเเละลูกปืน
CVET R43 2013/1 2nd G. Civil Engineering and Technology,
College of Industrial Technology, King Mongkut's University of Technology North Bangkok.

[@highwayguidecivilwalk]

Excellent

[@soumitasarkar5170]

What will happen to softening point if- a) aluminium balls are in place of steel balls. b) distance b/w rings & bottom plate is increased.

[@sheik_here]

Worth Method 😊

[@sandeshsonu2949]

Subtitles r in other language i can't understand some points 😡😡😡

[@rameshkm2642]

tq

[@nhuauonghungcuong9909]

Thí nghiệm này rất hữu ích cho các nhà cung ứng nhựa đường website; www.nhuaduonghungcuong.com Fanpage: hungcuongjsc.com