<?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">two-way beam and slab systems</topic></authority><related type="broader"><topic>two-way structural systems</topic></related><variant type="other"><topic>beam-and-slab floor constructions</topic></variant><variant type="other"><topic>beam-and-slab floors</topic></variant><variant type="other"><topic>systems, two-way beam and slab</topic></variant><variant type="other"><topic>two-way beam and slab system</topic></variant><variant type="other"><topic>two-way slabs</topic></variant> <note xml:lang="en"><![CDATA[ Two-way, flat concrete slabs supported by beams spanning between columns in both directions; the slab and beams are poured to be monolithic. ]]></note></mads>