Materials selection for concrete overlays : the final report Page: 42
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failures), it might be necessary to strengthen the shear and tension capacity by installing shear
reinforcement crossing through the interface...... . . . . _, r. .- : . .... ,-, .t' i , f.', . ," ' ie . ,r.... = ... 5.. - -, ,s-. .. . f .
Figure 3.7. Transition reinforcement detailrgure,3. 8.Transiionrfeinorce mentdet"cIl" up"
Figure 3.8." Transition reinforcement detail close-up3.11.2 Placement
The slip form paving machine was used for placement of the BCO. A worker was in
charge of spraying water immediately ahead of the paving machine, so that the surface stayed
wet or in SSD condition. Figure 3.9 shows the worker spraying water ahead of the paver.
There were instances when concrete was placed too far ahead of the paving machine,
creating risks of the concrete setting even before the paving machine reached those areas. Also,
the substrate surface around the prematurely dumped pile of fresh concrete dried while waiting42
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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/m1/62/?rotate=90: accessed July 18, 2024), University of North Texas Libraries, The Portal to Texas History, https://texashistory.unt.edu; crediting UNT Libraries Government Documents Department.