Performance of hot-mix asphalt mixtures for a balanced mix design
Why is this work in the frame?
A frame that forgets how it found something cannot be audited. These are the routes that admitted this work.
No Canadian affiliation. An affiliation-only frame — the usual design — would never have seen this work. It is one of the works that make the case for inverting the frame.
The three-model screen
all 1,000 screened works →All three models called this out of scope.
Engineering dissertation on balanced mix design performance of hot-mix asphalt.
It evaluates asphalt mixture performance, not research practice.
Civil engineering performance tests of hot-mix asphalt for balanced mix design.
Abstract
Several transportation agencies in Canada are currently relying on volumetric properties of asphalt mixtures to accept or reject the final mix design. The existence of various pavement defects on Canadian roads indicates that volumetric mix design procedure alone does not guarantee adequate long-term pavement performance. Therefore, transportation agencies in Manitoba are finding ways to increase durability of their asphalt mixtures to accomplish a road network that is more sustainable, safer, and more economical. The balanced mix design (BMD) approach integrates two or more performance test criteria into mix design and acceptance to produce asphalt mixtures that are resistant to cracking and permanent deformation. The objective of this study is to assess cracking and rutting performance of plant-produced asphalt mixtures as well as fractionated reclaimed asphalt pavement (RAP) mixtures to validate current volumetric mix design methods and investigate ways to optimize mix performance for moving towards a BMD. Fractionated RAP mixtures were produced in the laboratory and plant-produced mixtures were collected from different pavement construction projects to prepare specimens for cracking and rutting evaluation. Cracking performance was determined using the Illinois flexibility index test and rutting performance was determined using the Hamburg wheel-tracking test. Results showed that polymer-modified binders, recycled materials, and reduction of nominal maximum aggregate size contributed to better rutting performance. In addition, RAP fractionation technology showed a promising effort in making asphalt mixtures move towards a BMD. Conversely, limestone aggregates and recycled asphalt shingles reduced cracking resistance and did not lead to a BMD.
Stored with the screening record, where it is evidence for the labels above.
The record
- Venue
- Mspace (University of Manitoba)
- Topic
- Asphalt Pavement Performance Evaluation
- Field
- Engineering
- Canadian institutions
- —
- Funders
- —
- Keywords
- RutAsphaltCrackingAggregate (composite)Asphalt pavementDurabilityFatigue cracking
- Has abstract in OpenAlex
- yes