<?xml version="1.0" encoding="UTF-8" standalone="no"?><table-reference xmlns:xt="urn:xpressauthor:trackchanges" graph="None" id="_5f03568e-d90f-4b7e-9be5-dc4f04e33b21"><num>6.3.4j</num><title id="_617c7504-5b32-4530-a3b7-44cc50887dba">Maximum counter-strutting beam span — counter-strutting beam supporting tiled roof and plasterboard ceiling — roof load area = 4 m<sup id="_715f1cbc-6059-4698-b236-52d85c069f46">2</sup></title><table id="_91a6e082-145d-4722-b164-139d9134bbef" 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="_70b3e827-1f57-4571-ab2e-aa5e2a2d7fa8">2</sup>)</entry></row><row><entry>0</entry><entry>6</entry><entry>12</entry></row></thead><tbody><row><entry>125 TFB</entry><entry>3.4</entry><entry>3.1</entry><entry>2.9</entry></row><row><entry>150 UB 14.0</entry><entry>3.5</entry><entry>3.3</entry><entry>3.0</entry></row><row><entry>200 UB 18.2</entry><entry>4.7</entry><entry>4.4</entry><entry>4.1</entry></row><row><entry>250 UB 31.4</entry><entry>7.9</entry><entry>7.4</entry><entry>7.0</entry></row><row><entry>310 UB 46.2</entry><entry>10.9</entry><entry>10.4</entry><entry>9.9</entry></row><row><entry>100 TFB</entry><entry>1.7</entry><entry>1.6</entry><entry>1.4</entry></row><row><entry>150 PFC</entry><entry>5.1</entry><entry>4.6</entry><entry>3.6</entry></row><row><entry>200 PFC</entry><entry>6.2</entry><entry>5.7</entry><entry>5.4</entry></row><row><entry>250 PFC</entry><entry>9.0</entry><entry>8.4</entry><entry>8.0</entry></row><row><entry>300 PFC</entry><entry>9.5</entry><entry>8.9</entry><entry>8.5</entry></row></tbody></tgroup></table><desc-note id="_9449ebcb-3c20-4cee-be46-98ed93fdb76f"><ol outputclass="numbered"><li id="_d05186e5-907b-44bd-858a-70bc4b4b0f0a">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="_d1d9ae33-d323-4a90-afd0-cfc0e598e010">Load combinations included are 1.35G, 1.2G + 1.5Q, 1.2G + W<sub id="_98151b27-a05b-49ba-891e-d7dd6cf6f107">U</sub> + 0.4Q, 0.9G + W<sub id="_a065b8eb-0ca7-41f3-8f80-31cad9a56671">U</sub> for ULS and G + 0.7Q, G + W<sub id="_46794727-91fb-4654-85f3-7ff77be7354b">S</sub>.</li><li id="_530e7866-d94f-4a35-9a84-a839d363b256">0.9G + W<sub id="_5fd9d93a-869e-4b53-a092-d333aeba31aa">S</sub> for SLS with a maximum deflection of span/300.</li><li id="_04db2bae-612d-404f-9cfb-931d2407f891">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="_573d8cd5-9a67-4668-8399-ba384da2ee1f">A ceiling load area of “0” must be used for strutting beams not supporting ceiling loads.</li></ol></desc-note></table-reference>