Materials selection for concrete overlays : the final report Page: 46
xviii, 192 p. : col. ill. ; 28 cm.View a full description of this report.
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inwards from the presence of some form of distress. The survey started with the southbound
lanes, from the Holliday Creek Bridge, and proceeded towards the Wichita-Archer County line,
followed by the northbound lanes. The survey results are summarized in Table 3.9 (southbound),
and Table 3.10 (northbound), and are illustrated in the photographs presented in Appendix A-7.
The vast majority of transverse cracks observed on the overlay appeared to be in good
shape, were mostly narrow and their spacing seemed to be adequate. Some of the cracks,
however, were spalled. The spalls were all minor. It was found in some cases that around minor
spalls, some degree of delamination has developed along the edge of the overlay. Those
instances of delamination detected through the sounding technique, were marked with spray
paint with an arrow on the shoulder, as can be seen in the pictures in Appendix A-7. The
presence of those delaminations did not seem to be causing any further problems in the
performance of the overlay, as there were no loose pieces of concrete in any of them. There were
also a few longitudinal cracks. That did not appear to be causing trouble at the time. There were
a couple of areas, however, that could develop into punchouts in the future, but should not be a
reason for any serious concern.46
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Kim, Dong H.; Fowler, David W.; Ferron, Raissa P.; Trevino, Manuel M. & Whitney, David P. Materials selection for concrete overlays : the final report, report, July 2012; Austin, Texas. (https://texashistory.unt.edu/ark:/67531/metapth303706/m1/66/: accessed July 17, 2024), University of North Texas Libraries, The Portal to Texas History, https://texashistory.unt.edu.; crediting UNT Libraries Government Documents Department.