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The Low Temperature Fracture of Asphalt Composite Reinforced by Basalt Glass Powder and Basalt Fiber
The bending strength and failure stain at -10 °C were used to evaluate the anti-facture properties of asphalt composite in winter. The samples with lime rock powder had the basalt fiber contents 0%, 0.2%, 0.25% and 0.3%, respectively. The bending strength and failure stain curves were convex and the maximum values reached at 0.25% basalt fiber content, which were 11.52 MPa and 3450×10-6. The difference of bending strength between the maximum and the control group was 5.4%, which was insignificant. The difference of failure strain between the maximum and the control group was 13%, which was significant. The samples with basalt glass powder had the basalt fiber contents 0%, 0.2%, 0.25% and 0.3%, respectively. When the fiber contents were 0.2%, 0.25% and 0.3%, the increments of bending strengths in comparison with the control group were 7.6%, 12.4% and 10.8%, respectively. The difference of failure strain between the maximum and the control group was 8.8%, which was remarkable as well. The basalt glass powder is better than the traditional lime rock powder, as the filler of asphalt composite.
The Low Temperature Fracture of Asphalt Composite Reinforced by Basalt Glass Powder and Basalt Fiber
The bending strength and failure stain at -10 °C were used to evaluate the anti-facture properties of asphalt composite in winter. The samples with lime rock powder had the basalt fiber contents 0%, 0.2%, 0.25% and 0.3%, respectively. The bending strength and failure stain curves were convex and the maximum values reached at 0.25% basalt fiber content, which were 11.52 MPa and 3450×10-6. The difference of bending strength between the maximum and the control group was 5.4%, which was insignificant. The difference of failure strain between the maximum and the control group was 13%, which was significant. The samples with basalt glass powder had the basalt fiber contents 0%, 0.2%, 0.25% and 0.3%, respectively. When the fiber contents were 0.2%, 0.25% and 0.3%, the increments of bending strengths in comparison with the control group were 7.6%, 12.4% and 10.8%, respectively. The difference of failure strain between the maximum and the control group was 8.8%, which was remarkable as well. The basalt glass powder is better than the traditional lime rock powder, as the filler of asphalt composite.
The Low Temperature Fracture of Asphalt Composite Reinforced by Basalt Glass Powder and Basalt Fiber
Lou, Jian-Li (author) / Liu, Hua-Wu (author) / Pang, Ai-Yun (author) / Yang, Shu-Wei (author) / Yang, Tian-Yang (author)
2012
3 Seiten
Conference paper
English
Asphalt , Basalt , Glaspulver , Fasergehalt , Biegefestigkeit , Niedertemperatur , Komposit , Maximalwert
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