01506465

Component

This paper summarizes the results from an experimental study on the behavior of concrete pavement in a controlled environment. The test program characterizes the volume change or dimensional properties of selected concrete materials, evaluating their performance as real pavements in that they are exposed to the controlled environment on the top surface and to the ground moisture on the bottom surface. The concrete mix designs examined included normal-strength Portland cement concrete (PCC), high-strength concrete (HSC), concrete using shrinkage reducing admixtures (SRA), and concrete using calcium sulfoaluminate cement (CSA). The data include standard concrete material characterization test results, joint movements, internal relative humidity and temperature over the pavement depth. It was found that the concrete using CSA was very stable with no long term shrinkage, cracking or warping, while typical PCC and HSC continued to show crack growth at over 600 days of age. The concrete using SRA had a minor decrease in shrinkage and crack growth at an early age, and while this decrease extended for the length of the testing no further decrease in the shrinkage growth or sectional stability was noted when compared to normal PCC at the end of approximately two years.

This paper was sponsored by TRB committee AFN30 Durability of Concrete. There is an error in the title that appears on the paper.

01503729

14-1361

English

18p

2014

Transportation Research Board 93rd Annual Meeting

Digital/other

Figures; Photos; References; Tables

Concrete pavements; Cracking of concrete pavements; High strength concrete; Mix design; Pavement performance; Portland cement concrete

Calcium sulfoaluminate cement; Shrinkage reducing admixtures

Design; Highways; Materials; Pavements; I22: Design of Pavements, Railways and Guideways; I32: Concrete

Transportation Research Board Annual Meeting 2014 Paper #14-1361

PRP, TRIS, TRB, ATRI

Jan 27 2014 2:31PM