This research aimed to compare the modulus test requirements and return of edge on the lower edge at 40 degrees Celsius. [] by the 1 mix design of asphalt with super way Piaf, According to standard of highway department.By the test, modulus of return sample requirements and edge on the bottom edge. The preparation method, super Piaf Are there requirements for air gap were 4 by asphalt concrete mixture The mixture design is important to meet the requirements. The mix proportion of asphalt cement. The requirements on the use of edge asphalt cement 4.54 percent by weight of the mixture. Which is less than the lower edge is 4.75 requirements% by weight of the mixture. Therefore, agelong แอสฟั ALT concrete requirements on edge can help reduce the cost of construction.Based on the test results the modulus of return at 40 degrees Celsius. Find edge on asphalt concrete requirements have modulus return average 724 MPa. And the lower edge is the modulus return average 421 MPA so found that asphalt concrete requirements on the edge of modulus of return higher requirements the lower edge is 41.85 percent. Show that the asphalt concrete requirements border on that feature is able to withstand repeated actions (Repeat Load) continuously over the bottom edge. And durable effect on permanent deformation better. Due to the fact that the modulus of return. The ratio of stress with the stress measured by the return of materials. If modulus of return value. So the material that can withstand repeated action continuously a lot. Resistance to deformation and well done to test other properties such as tensile strength test value of indirect IDT (Indirect. Tensile test) the stability and flow value, index, strength, etc.Key words: asphalt concrete, method, super Piaf asphalt cement grade AC 60 / 70 aggregate modulus,, night.
การแปล กรุณารอสักครู่..