<?xml version="1.0" encoding="utf-8"?><mads xmlns="http://www.loc.gov/mads/" xmlns:mods="http://www.loc.gov/mods/v3" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.loc.gov/mads/
mads.xsd"><authority><topic authority="http://AATesaurus.cultura.gencat.cat/aat/getty_en">high performance concrete</topic></authority><related type="broader"><topic>concrete by property</topic></related><variant type="other"><topic>HPC</topic></variant><variant type="other"><topic>concrete, high performance</topic></variant> <note xml:lang="en"><![CDATA[ Concrete that conforms to a set of standards for high workability, high strength, and high durability established by the Strategic Highway Research Program (SHRP), an infrastructure research initiative authorized by the U.S. Congress. ]]></note></mads>