<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31376483</termId><termName>two-way beam and slab systems</termName><termType>PT</termType><termNote><![CDATA[ Two-way, flat concrete slabs supported by beams spanning between columns in both directions; the slab and beams are poured to be monolithic. ]]></termNote><termCreatedDate>2026-03-30 20:41:33</termCreatedDate><relation><relationType>UF</relationType><termId>31376484</termId><termName>beam-and-slab floor constructions</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31376485</termId><termName>beam-and-slab floors</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31376486</termId><termName>systems, two-way beam and slab</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31376487</termId><termName>two-way beam and slab system</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31376488</termId><termName>two-way slabs</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31345518</termId><termName>two-way structural systems</termName><termType>PT</termType></relation></term>  </Zthes>