Research Article

Experimental Study on the High-Temperature and Low-Temperature Performance of Polyphosphoric Acid/Styrene-Butadiene-Styrene Composite-Modified Asphalt

Table 4

Influence of PPA mixing amount on Gv of PPA/SBS compound-modified asphalt.

PPA mixing amountGv (Pa)
SK90ZH90

3.5% SBS49985370
0.5% PPA + 3.5% SBS95319682
1.0% PPA + 3.5% SBS1025710092
1.5% PPA + 3.5% SBS1381413420
2.0% PPA + 3.5% SBS1443213996
4.5% SBS100419985