摘要: |
MassDOT is seeking to improve the quality and
durability of fiber-reinforced concrete (FRC) and
ultra-high performance concrete (UHPC) for
longevity and constructability of new structures
and repair of existing structures. There exist critical
gaps in understanding the efficiency of mixture
design and fibers on concrete performance,
especially the mechanical and durability-related
properties. A better understanding of FRC and
UHPC will promote the development and
applications of high-quality concrete to satisfy the
performance expectation of future transportation
infrastructure.
The overall research objective of this project is
to develop novel, non-proprietary, FRC and
UHPC mixtures to identify and maximize the
roles of fibers and additives in enhancing
mechanical and durability-related properties,
and to promote the widespread use of FRC
and UHPC in transportation infrastructure. The
project includes seven primary research tasks
including literature review, development of a
qualified construction materials list,
optimization of mixture design, physical,
mechanical, and durability-related property
evaluations, large scale batching, mockup and
field tests to investigate merits and barriers
impacting successful applications of FRC and
UHPC in the transportation infrastructure. This
project will benefit the Standard Specification
Development for construction materials by
improving quality and extending service life of
critical infrastructure related to public safety. |