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Application of Mechanistic-Empirical Pavement Design Approach into RCC Pavement Thickness Design

Project Details
STATE

LA

SOURCE

RIP

START DATE

06/01/18

END DATE

11/30/20

RESEARCHERS

Zhongjie Zhang, Zhong Wu

SPONSORS

FHWA

KEYWORDS

Axle loads, Construction, Construction management, Design, Highways, Mechanistic-empirical pavement design, Mix design, Pavement performance, Pavements, Roller compacted concrete pavements, Thickness

LINKS

Project webpage

Project description

The objectives of this research are to investigate factors that may impact roller compacted concrete (RCC) pavement performance, including, but not limited to, construction practices, mix design proportioning, joint spacing, cracking mechanism and combined temperature and loading effects; quantify the impact of different axle load magnitude on RCC pavement damage in term of fatigue cracking and load equivalent factors; evaluate the cracking mechanism and joint performance of RCC pavement relative to the performance of thin (less than 8 inch thickness) RCC pavements over different stabilized base material; develop representative performance prediction curves suitable for use in an RCC thickness design procedure; and develop an M-E RCC pavement thickness design procedure for the LADOTD and compare the actual versus predicted RCC pavement performance using the developed design procedure.
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