<?xml version="1.0" encoding="UTF-8" standalone="no"?><table-reference xmlns:xt="urn:xpressauthor:trackchanges" graph="None" id="_56c4498c-09a3-4570-9716-9669ec1b72ae"><num>6.3.4e</num><title id="_46529a09-7b7e-48ce-bea3-d3c4c60b0976">Maximum counter-strutting beam span — counter-strutting beam supporting metal sheet roof and plasterboard ceiling — roof load area = 8 m<sup id="_7ea60ebc-fd5a-47bf-a1c3-924efdfa23a0">2</sup></title><table id="_57bbb8a7-247f-4783-ac81-82cb6bdeca6e" 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="_670c12bd-1052-489e-b3f5-7ebe0d3fc002">2</sup>)</entry></row><row><entry>0</entry><entry>6</entry><entry>12</entry></row></thead><tbody><row><entry>125 TFB</entry><entry>2.7</entry><entry>2.6</entry><entry>2.4</entry></row><row><entry>150 UB 14.0</entry><entry>2.9</entry><entry>2.8</entry><entry>2.6</entry></row><row><entry>200 UB 18.2</entry><entry>4.0</entry><entry>3.8</entry><entry>3.6</entry></row><row><entry>250 UB 31.4</entry><entry>6.8</entry><entry>6.5</entry><entry>6.2</entry></row><row><entry>310 UB 46.2</entry><entry>9.6</entry><entry>9.2</entry><entry>8.8</entry></row><row><entry>100 TFB</entry><entry>1.4</entry><entry>1.3</entry><entry>1.2</entry></row><row><entry>150 PFC</entry><entry>4.2</entry><entry>4.0</entry><entry>3.8</entry></row><row><entry>200 PFC</entry><entry>5.2</entry><entry>4.9</entry><entry>4.7</entry></row><row><entry>250 PFC</entry><entry>7.7</entry><entry>7.3</entry><entry>7.0</entry></row><row><entry>300 PFC</entry><entry>8.2</entry><entry>7.8</entry><entry>7.5</entry></row></tbody></tgroup></table><desc-note id="_837308b9-e01c-42fe-9f36-705121bd2214"><ol outputclass="numbered"><li id="_9608dc30-cf6e-495a-b6a4-8239fb8281d5">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="_dce63f11-6963-4729-91a2-4d47753e6138">Load combinations included are 1.35G and 1.25G + 1.5Q, 1.25G + W<sub id="_c1164036-bd67-430c-b6b5-643f8cb1d65d">U</sub> + 0.4Q, 0.9G + W<sub id="_f0d677da-e467-4d4c-9d70-1fb8ae79b4a7">U</sub> for ULS and G + 0.7Q, G+W<sub id="_b6368021-c60b-47e3-a8e4-fc60164732b1">S</sub>.</li><li id="_cfb873f3-70c3-4ce5-99e8-620692ca26c8">0.9G + W<sub id="_dfcfe8b4-34e8-428a-8a30-83ff8d3d0d31">S</sub> for SLS with a maximum deflection of span/300.</li><li id="_eb375e2e-478b-4a39-b0df-37bd1b5e929b">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="_93fd2a43-deb1-43e4-ba86-6cd576b2d5e4">A ceiling load area of “0” must be used for strutting beams not supporting ceiling loads.</li></ol></desc-note></table-reference>