Numerical Analysis of Eccentrically Loaded Cold-Formed Plain Channel Columns

<table class="table-group" id="tab4"><tr><td><table class="table"><tr><td class="thead-hr" colspan="5"><hr/></td></tr><tr class="thead"><td align="left">Column number</td><td align="center"><span style="width: 29.1625px;"><svg height="19.4125" id="M49" style="vertical-align:-4.77652pt" version="1.1" viewbox="0 0 29.1625 19.4125" width="29.1625" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
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q-31 0 -93.5 -49t-107.5 -110q-12 -37 -17 -70q-9 -65 12 -96.5t59 -31.5q31 0 56 14q53 29 89.5 105t36.5 162z" id="x1D44F"></path></g>
<g transform="matrix(.012,-0,0,-.012,8.038,16.25)"><path d="M619 670q0 -13 -9 -26t-18 -19q-13 -10 -25 2q-36 38 -66 38q-31 0 -54.5 -50t-45.5 -185h120l-20 -31l-107 -12q-23 -138 -57 -293q-27 -122 -55 -184.5t-75 -109.5q-60 -61 -114 -61q-25 0 -47.5 15t-22.5 31q0 17 31 44q11 8 20 -1q10 -11 31 -19t35 -8q26 0 47 19
q34 34 71 253l54 315h-90l-3 12l31 30h70q28 138 90 204q35 37 75 57.5t70 20.5q26 0 45 -14t19 -28z" id="x1D453"></path></g>
<g transform="matrix(.017,-0,0,-.017,16.3,12.162)"><path d="M368 703l-264 -866h-60l265 866h59z" id="x2F"></path></g><g transform="matrix(.017,-0,0,-.017,23.303,12.162)"><path d="M324 430l-26 -36l-112 -4l-55 -265q-13 -66 7 -66q13 0 44.5 20t50.5 40l17 -24q-38 -40 -85.5 -73.5t-87.5 -33.5q-50 0 -21 138l55 262h-80l-2 8l25 34h66l25 99l78 63l10 -9l-37 -153h128z" id="x1D461"></path></g>
</svg></span></td><td align="center">FEM (kN)</td><td align="center">DSM (kN)</td><td align="center">FEM/DSM</td></tr><tr><td class="thead-hr" colspan="5"><hr/></td></tr><tr><td align="left">C2-BF-34.60</td><td align="center">15.53</td><td align="center">62.07</td><td align="center">57.19</td><td align="center">1.09</td></tr><tr><td align="left">C2-BF-56.80</td><td align="center">28.36</td><td align="center">50.22</td><td align="center">60.33</td><td align="center">0.83</td></tr><tr><td align="left">C2-BF-69.20</td><td align="center">35.53</td><td align="center">47.68</td><td align="center">61.70</td><td align="center">0.77</td></tr><tr><td align="left">C2-BF-86.50</td><td align="center">45.53</td><td align="center">42.07</td><td align="center">62.93</td><td align="center">0.67</td></tr><tr><td align="left">C2-BF-103.80</td><td align="center">55.53</td><td align="center">37.77</td><td align="center">64.95</td><td align="center">0.58</td></tr><tr><td align="left">C2-BF-121.10</td><td align="center">65.53</td><td align="center">35.10</td><td align="center">65.54</td><td align="center">0.54</td></tr><tr><td align="left">C2-BF-138.40</td><td align="center">75.53</td><td align="center">32.48</td><td align="center">66.88</td><td align="center">0.49</td></tr><tr class="table-tr"><td colspan="5"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

Influence of <svg height="19.4125" id="M48" style="vertical-align:-4.77652pt" version="1.1" viewbox="0 0 29.1625 19.4125" width="29.1625" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
<g transform="matrix(.017,-0,0,-.017,.062,12.162)"><path d="M452 333q0 -82 -46 -164t-116 -128q-81 -53 -158 -53q-26 0 -51 13t-37 32q-26 41 -6 134l91 431q7 40 2.5 47t-34.5 7h-33l2 25q36 4 72.5 13t58.5 15.5t28 6.5q10 0 4 -29l-91 -391h2q65 77 130 116.5t105 39.5q36 0 56.5 -32t20.5 -83zM365 316q0 76 -35 76
q-31 0 -93.5 -49t-107.5 -110q-12 -37 -17 -70q-9 -65 12 -96.5t59 -31.5q31 0 56 14q53 29 89.5 105t36.5 162z" id="x1D44F"></path></g>
<g transform="matrix(.012,-0,0,-.012,8.038,16.25)"><path d="M619 670q0 -13 -9 -26t-18 -19q-13 -10 -25 2q-36 38 -66 38q-31 0 -54.5 -50t-45.5 -185h120l-20 -31l-107 -12q-23 -138 -57 -293q-27 -122 -55 -184.5t-75 -109.5q-60 -61 -114 -61q-25 0 -47.5 15t-22.5 31q0 17 31 44q11 8 20 -1q10 -11 31 -19t35 -8q26 0 47 19
q34 34 71 253l54 315h-90l-3 12l31 30h70q28 138 90 204q35 37 75 57.5t70 20.5q26 0 45 -14t19 -28z" id="x1D453"></path></g>
<g transform="matrix(.017,-0,0,-.017,16.3,12.162)"><path d="M368 703l-264 -866h-60l265 866h59z" id="x2F"></path></g><g transform="matrix(.017,-0,0,-.017,23.303,12.162)"><path d="M324 430l-26 -36l-112 -4l-55 -265q-13 -66 7 -66q13 0 44.5 20t50.5 40l17 -24q-38 -40 -85.5 -73.5t-87.5 -33.5q-50 0 -21 138l55 262h-80l-2 8l25 34h66l25 99l78 63l10 -9l-37 -153h128z" id="x1D461"></path></g>
</svg> ratio for axially loaded columns.

Journal of Structures

tab4

Table 4

Table 4: Numerical Analysis of Eccentrically Loaded Cold-Formed Plain Channel Columns 