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RISAsphalt Concrete Creep as Related to Rutting
Publisher: American Society of Civil Engineers
Abstract: Rutting is one of the major modes of distress in flexible pavements. It is caused by plastic deformation that can occur in any of pavement layers. Historically, rutting of asphalt concrete has been considered a mix design ...
Discussion of “An Improved Weighted Total Least Squares Method with Applications in Linear Fitting and Coordinate Transformation”by Xiaohua Tong, Yanmin Jin, and Lingyun Li
Publisher: American Society of Civil Engineers
Proposed Uniform Scale for Stiffness of Unbound Pavement Materials for Pavement Design
Publisher: American Society of Civil Engineers
Abstract: A review of several relationships commonly used by pavement engineers for structural characterization of subgrade soils, subbase, and base is presented. A careful examination of the literature on the subject revealed that ...
Axle Load Distribution for Mechanistic–Empirical Pavement Design
Publisher: American Society of Civil Engineers
Abstract: Mechanistic–empirical (ME) pavement design often demands default or assumed axle load spectrum data. Using single and tandem axles of the Vehicle Class 9 as examples, this study analyzed the spatial and temporal variations ...
Influence of Cement Type on Fiber–Matrix Interface Bond Strength
Publisher: ASCE
Abstract: This paper presents the results of an experimental investigation on the interface bond strength between reinforcing fibers embedded in a calcium sulfoaluminate (CSA) cement matrix, utilizing the single-fiber pullout test. ...
Formulating Low-Energy Cement Products
Publisher: American Society of Civil Engineers
Abstract: The study examined several formulations that may serve as a green substitute for traditional portland cement. The primary objective of the project was to produce a durable, low-energy cementitious material from flue gas ...
Flat and Elongated Aggregates in Superpave Regime
Publisher: American Society of Civil Engineers
Abstract: Some states have recommended changing the definition of flat and elongated aggregates from 5:1 to 3:1 and an increase in the maximum allowable percentage of flat and elongated (F&E) particles to 20% or higher in the Superpave ...
Contractor-Performed Quality Control: Is the Fox Guarding the Henhouse?
Publisher: American Society of Civil Engineers
Abstract: At the same time that state departments of transportation are allowing contractor-performed quality control, they are also concerned about using the contractor-reported data for acceptance and payment purposes. The question ...
Evaluation of Temperature Responses in Concrete Pavement
Publisher: American Society of Civil Engineers
Abstract: Field data from a section of heavily instrumented concrete pavement on the Gene Snyder Freeway (I-265), Louisville, Kentucky were closely examined. To predict the mechanical behavior of the rigid pavement, a three-dimensional ...
Accuracy of Ground-Penetrating Radar for Pavement-Layer Thickness Analysis
Publisher: American Society of Civil Engineers
Abstract: This paper deals with accuracy issues related to using ground penetrating radar (GPR) for determining the surface layer thickness of asphalt and concrete pavements. Additionally, tests were conducted to identify GPR’s ...