DG_ACIDINDING GESER >>> ACI - 318 1995fc' = kuat tekan beton =28MPaJarak antar tingkat, Lu =$4,800mmfy = teg.leleh tul.sayap =420MPaLebar dinding geser, Lw =$6,600mmfyw = teg.leleh tul.badan =420MPaTinggi total dinding geser, Hw =$44,400mmData pada Bagian Badan (Web)Arah vertikal (Asv)Diameter tul badan,dv =16.3mmArah horisontal (Ash)Diameter tul badan,dh =16.3mmTebal badan,tb =508mmsi = fs = koefisien reduksi kekuatan geser =0.7Gaya Eksternal :Jarak tul.pokok arah-y =177.8mmPu =1,2.DL =15,427kNJarak tul.pokok arah-x =106.2mm1,0.LL =1,943kNsim = fm = koefisien reduksi kekuatan lentur =0.8mm17,371kNMu =1,0.E =46,924kNmVu =1,0.E =4,054kNKontrol Perlunya Elemen Pembatas :Ig =(tb. Lw3)/12 =12170664000000mm4Ag =tb.Lw =$3,352,800mm2fc =Pu/Ag + Mu.(Lw/2)/Ig =12.73MPa.> 0,2.fc' =5.6PERLU ELEMEN PEMBATASData pada Bagian Sayap (Boundary Element)Tinggi elemen pembatas,h =1,270mmLebar elemen pembatas,b =813mmTebal penutup beton,d' =51mmDiameter pengekang/ sengkang,ds =16mmLebar badan, Lb = Lw-h =5,330mmJumlah tul.pada arah sb-x lapis ke :Luas (mm2)15bh, --> diameter (mm) =35.85020.1022bh, --> diameter (mm) =35.82008.0432bh, --> diameter (mm) =35.82008.0442bh, --> diameter (mm) =35.82008.0452bh, --> diameter (mm) =35.82008.0462bh, --> diameter (mm) =35.82008.0472bh, --> diameter (mm) =35.82008.0482bh, --> diameter (mm) =35.82008.0492bh, --> diameter (mm) =35.82008.04102bh, --> diameter (mm) =35.82008.04112bh, --> diameter (mm) =35.82008.04125bh, --> diameter (mm) =35.85020.10Jml =12lapisAsf =30120.602.92%Jumlah Lapis Tulangan Badan :Acv =Lb.tb =$2,707,640mm2Kemampuan beton menahan geser =Acv.fc'/6 =2,387,914N2,388kN< Vu =4,054PERLU DUA LAPIS TUL.BADAN, n =2Jumlah Tulangan Badan arah Tegak :Ash =0,25% .Acv =6,769mm2Diameter Tul.Badan =16.3mm -->> luas =207.44mm2Jumlah =32.6bh -->> jumlah lapis =17.0lapisJarak antar lapis =333.125mm457.2mm< 18 in, OK =Jumlah Tulangan Badan arah Datar :Ach =tb.Lb =2,707,640mm2.Vn =.{Acv.(fc')/6 + Ast.fy} =3,661,655.22N3,662kN< Vu, not safe - ubah ukuran/tambah tulanganKontrol Kemampuan Elemen Pembatas :Acf =b.h =1,032,256mm2Asf =30,121mm2 =Asf/Acf =2.92%> 1%, OK.Pn=.0,8.{0,85.fc'[Acf-Asf)+ Asf.fy} =20,440,826N20,441kNPu =Pu/2 + Mu/Lw =15,794,998N15,795kN< psi.Pn, safeTulangan pengekang di dalam boundary element (bila diperlukan) :Diameter pengekang/ sengkang,ds =16.3mm207.4mm2Jarak antar tulangan pengekang arah vertikal,Ss (mm) =100.00OK !!< 100 mm atau 0,3.s.hc.{(Acf/Ac)-1}{fc'/fyh)249.39691.29mm2> 0,09.s.hc.fc'/fyh691.2864Luas tul.pengekang (// sumbu-x), Ash_x (mm2) => 0,3.s.bc.{(Acf/Ac)-1}{fc'/fyh)150.42416.97mm2> 0,09.s.bc.fc'/fyh416.9664Jml.tul.pengekang(crosstie) + sengkang // sumbu-x = Ash_x/Asc =4.00OK !!Jml.tul.pengekang(crosstie) + sengkang // sumbu-y = Ash_y/Asc =3.00OK !!Kemampuan boundary element menahan gaya aksial dan momenTulangan dan beton pada bagian badan diabaikanyMnPn10010,192(1,670)20012,743(161)40017,0332,72560021,2245,847Diameter tulangan longitudinal pada sayap (mm) =35.76Tul. longitudinal pd sayap, Asf (mm2) =30,120.60hc = jarak antara pusat sumbu sengkang terluar // sumbu-yb' = jarak antara pusat sumbu sengkang terluar // sumbu-x

DG_ACI-16702857.1428571429-160.752725.281255846.8125

#REF!Momen (kNm)(Gaya Aksial (kN)Diagram Interaksi Dinding Geser

Sheet1

DG SIMETRI (s)lapis-1lapis-2lapis-3lapis-4bhLwAsvAshtbLbyxb'h'hcAsh_sAsh_lkyxSvShSsBila hc/b'>3Bila hc/b'