sunpole arm

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 278751348.xls STAINLESS STEEL SUPPORTING ARM Modulus E = 200000 Design strength = 210 Deth d = 100 !! Thi"#ness t = $ !! E%%e"ti&e Length = 2'(!! Pl)sti" Modulus = 10000 Li!iting e*ui&)lent slenderness = = +,-(,1 E*ui&)lent slenderness = = 1 12-21. Perr/ "oe%%i"ient = = 0-'1$ = 0-00( Pl)sti" !o!ent "))"it/ = = 2100000 N!! El)sti" "riti")l !o!ent = = 1'($(' N!! = = 22+2. N!! u"#ling resist)n"e !o!ent = = 0. 929 kNm N!! 2 / N!! 2 L E S 3 !! + λ LO 0-$4π 2 E / 5 λ LT n2-,4L E dt 2 5 η LT  α 6 4λ LT 7 λ LO 5 α 6 M / S3 M E M π 2 E4λ LT / 5 φ 4M 84η LT 815M E 52 M 6 M E M 4φ 84φ 2 7M E M 55

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Sunpole Arm

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Sheet1STAINLESS STEEL SUPPORTING ARMModulusE=200000N/mm2Design strengthpy=210N/mm2Depthd=100mmThicknesst=4mmEffective LengthLE=257mmPlastic ModulusSx=10000mm3Limiting equivalent slendernesslLO=0.4(p2E/py)=38.781Equivalent slendernesslLT=n2.8(LEd/t2)=112.219Perry coefficienthLT=ab(lLT - lLO)=0.514ab=0.007Plastic moment capacityMp=pySx=2100000NmmElastic critical momentME=Mpp2E/(lLTpy)=1567475NmmfB=(Mp+(hLT+1)ME)/2=2236629NmmBuckling resistance momentMb=MEMp/(fB+(fB2-MEMp))=0.929kNm

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