<?xml version="1.0" encoding="UTF-8" standalone="no"?><table-reference xmlns:xt="urn:xpressauthor:trackchanges" graph="None" id="_d8ba54cd-52d5-4a93-99be-101e0d23199a"><num>6.3.4k</num><title id="_6b6bc258-ebef-4daf-8339-9567985cc537">Maximum counter-strutting beam span — counter-strutting beam supporting tiled roof and plasterboard ceiling — roof load area = 8 m<sup id="_aa956dd3-ab95-4a37-a78e-63a5e2c310ec">2</sup></title><table id="_d41ce0b6-da59-4216-8abb-24a487e541d8" keycol="1"><tgroup cols="4"><colspec colname="001" colnum="1" colwidth="129.75*"/><colspec colname="002" colnum="2" colwidth="100.75*"/><colspec colname="005" colnum="3" colwidth="100.75*"/><colspec colname="006" colnum="4" colwidth="100.80*"/><thead><row><entry morerows="1">Section</entry><entry nameend="006" namest="002">Ceiling load area (m<sup id="_da71bc9b-a239-40fe-be2c-22b21d30ac75">2</sup>)</entry></row><row><entry>0</entry><entry>6</entry><entry>12</entry></row></thead><tbody><row><entry>125 TFB</entry><entry>2.3</entry><entry>2.2</entry><entry>2.1</entry></row><row><entry>150 UB 14.0</entry><entry>2.5</entry><entry>2.4</entry><entry>2.3</entry></row><row><entry>200 UB 18.2</entry><entry>3.4</entry><entry>3.3</entry><entry>3.2</entry></row><row><entry>250 UB 31.4</entry><entry>5.9</entry><entry>5.7</entry><entry>5.5</entry></row><row><entry>310 UB 46.2</entry><entry>8.5</entry><entry>8.2</entry><entry>7.9</entry></row><row><entry>100 TFB</entry><entry>1.2</entry><entry>1.1</entry><entry>1.0</entry></row><row><entry>150 PFC</entry><entry>3.6</entry><entry>3.4</entry><entry>3.3</entry></row><row><entry>200 PFC</entry><entry>4.4</entry><entry>4.2</entry><entry>4.1</entry></row><row><entry>250 PFC</entry><entry>6.7</entry><entry>6.4</entry><entry>6.2</entry></row><row><entry>300 PFC</entry><entry>7.2</entry><entry>6.9</entry><entry>6.7</entry></row></tbody></tgroup></table><desc-note id="_23fa5a4f-77a8-4d31-944d-6d12ec09b613"><ol outputclass="numbered"><li id="_d1d02188-f378-4350-9369-32fad2ecea16">Load accounted for includes 0.2 kPa permanent ceiling, 0.4 kPa permanent roof, permanent member self-weight, 0.25 kPa imposed roof, positive roof wind pressure of 0.95 kPa and negative roof wind pressure of -1.49 kPa.</li><li id="_0e2789a3-1980-4d49-bf21-153f5b31cd84">Load combinations included are 1.35G, 1.2G + 1.5Q, 1.2G + W<sub id="_79b6d067-be7f-4717-b7d2-d864e23576f8">U</sub> + 0.4Q, 0.9G + W<sub id="_6e0ed1af-cb60-46db-88bf-3c5ff137dd45">U</sub> for ULS and G + 0.7Q, G + W<sub id="_86f77b37-d54b-4016-87ed-61f976ee0a77">S</sub>.</li><li id="_4a3e4e7c-2e49-47dc-a4be-1f40d0012fbe">0.9G + W<sub id="_e503c00d-2f45-41c2-a4f6-6fe8c016da9a">S</sub> for SLS with a maximum deflection of span/300.</li><li id="_5d88990e-fa31-4f5d-bebf-db9488a33925">Strutting beams are assumed to be partially restrained at both ends with no rotational restraint and are designed as members without full lateral restraint.</li><li id="_9242ea1b-a797-4c53-b698-58df619cbeb6">A ceiling load area of “0” must be used for strutting beams not supporting ceiling loads.</li></ol></desc-note></table-reference>