| abstract |
[PROBLEMS] To provide a buried joint that shows good absorption against contraction and expansion due to temperature change, has high dynamic stability (DS), and has excellent resistance to rutting by vehicle tires. provide. SOLUTION: [a] An asphalt composition containing (a-1) asphalt and (a-2) styrene-butadiene-styrene block copolymer rubber, [b] An embedded joint using, as a binder, a composition obtained by blending a filler containing (b-1) powder rubber and (b-2) an inorganic filler. If desired, the asphalt composition further contains (a-3) a styrene / butadiene random copolymer rubber. |