| 摘要 |
The present invention is, as a joint filler composition comprising: 50-80 wt% of petroleum asphalt, 5-25 wt% of a flow agent, 1-25 wt% a polymer modifier, 0.1-2 wt% of a heat stabilizer, poured joint filler using the same, molded joint filler, and a joint construction method, can be firmly attached to a junction unit between concrete and asphalt of a road pavement, has an excellent construct ability, heat resistance, and flow resistance, effectively responds to external stress, and improves durability by blocking retained water in package or by guiding drainage or low noise, retained water in porous package towards the drain outlet. |
