DataL=30m0.915Tabel Konversi fc'=3000cmUmurPerbandinganJrk.antr.girder=2m30.46Tebal Lntai kerja=0.05m70.7Tebal Pelat lntai=0.2m450kg/cm2E=315285.58482747kg/cm2140.88f'ci girder =f'c girder (28 hari)=45Mpa=210.9621
GIGIH: Pilih Umur Beton=43.2Mpa500kg/cm2E=332340.187157677kg/cm2281f'c (pelat)=50Mpa=Tebal perkerasan=0.05mH girder (minimal)=150cm

Sect. Properties

Dimensi Profil

NoLx (cm)Ly (cm)A (cm2)Y (cm)A.Y (cm3)Y'Io (cm4)Ip (cm4)Ix (cm4)1000160.000.0080.480.000.000.0028042.53400138.75471750.0059.2311929415.00170590.2812100005.28y1y23805375115.0643145.8335.54473644.06170590.28644234.342.562.4447035245095.00232750.0015.48587388.14250104.17837492.30580537574.9428104.174.577837.61277.788115.392.562.4468072.5580036.25210250.0043.2710857355.94277.7810857633.72Jumlah12400620.00986000.0023855640.76591840.2824447481.03

H=160cmYb=79.52cmYa=80.48cmi=1971.57cm2Ka=24.79cmKb=24.50cm

Statis MomenSa=303756.277369554cm3=0.304m3Sb=307453.108331455cm3=0.307m3

SolidLnBerat (kg/m)114.6448538360.73384.866757864214.6157106360.73384.100874568768.967632432Box114.7359709190.73204.387916383214.7292112190.73204.294159344314.7359709190.73204.387916383414.7292112190.73204.294159344817.364151454

MomenServiceabilityMDL=326T.m=32600000Kg.cmMLL=272.6T.m=27260000Kg.cmMDL + MLL=598.6T.m=59860000Kg.cm

UltimateMuDL=418.2T.m=41820000Kg.cmMuLL=381.6T.m=38160000Kg.cmMuDL + MuLL=799.8T.m=79980000Kg.cm

Angkur4712192737557 K 134 K 1512 K 137 K 1512 K 1519 K 1327 K 1319 K 1537 K 1327 K 1555 K 1337 K 15a131317172022.5252530303737b1616212124.52731.531.536.536.53737h667789101011.811.801414a202027273032.537.537.5454552.552.5b13.513.517.517.52022.52525303037.537.5

Dicoba digunakanTipe angkur=37 K 13
GIGIH: Pilih Tipe angkurAngkur CastingKapasitas n.str/selongsong =37
GIGIH: Pilih berdasarkan data di atasa=30cmb=36.5cmh=11.80cm

Detailing Angkura=45cmOke(cek angkur pada daerah aman kabel)b=30cmOke(vertikal)Oke(horizontal)

81.518.25CGS=81.81cm63.2522.5104.31

PiDicoba digunakan

CGS=10.9
GIGIH: Lihat gambar di sampingcm1Jumlah tendon=2buah234

e Kondisi awal (hanya girder)e (Prategang)=68.62cm=0.686m

Tegangan Izin (Saat Transfer)Tegangan Izin (Saat Beban Bekerja)fc'i t=3.29Mpa=0.0kg/cm2fc' t=-20.25Mpa=-202.50kg/cm2fc'i b=-25.92Mpa=-259.2kg/cm2fc' b=3.35Mpa=33.54kg/cm2Serat atas-76.4416935484214.1178812894-137.680.00Pi/A=-0.000081Pi51.2659277143Pi.e/Sa=0.00023Pi-0.000081Pi0.00023Pi-137.680.0Mdl/Sa=-137.68

0.00015Pi=137.68Pi=947877kg=947.88Ton

Serat bawahPi/A=-0.000081PiPi.e/Sb=-0.0002PiMdl/Sb=136.02

-0.0003Pi=-395.22Pi=1300834kg-0.000081Pi-0.0002Pi136.02-259.2=1300.83Ton-151.9642688924-76.4416935484-211.5433175865136.02-151.96Pi=947877.00kg=947.88TonMaterial / (mm)Pu (kg)A (cm2)Fpu (kg/cm2)Perhitungan Jumlah StrandWire / 530400.19615500Grade / =7 - wire super strand / 12,7
GIGIH: Pilih Grade dan Diameter StrandWire / 533300.19617000Fpu=18400kg/cm2Wire / 765500.38517000Fpy=15640kg/cm27 - wire super strand / 9,3102000.54718600Fpi=14701.6kg/cm27 - wire super strand / 12,718400118400A.strand=1cm27 - wire super strand / 15,2250001.4317500Pi/str=14701.60Kg7 - wire regular strand/ 12,7165000.94317500bars (super grade only) / 23450004.1510800n Str.Total=65buahbars (super grade only) / 29710006.610800n str/sel.=33buah (min)bars (super grade only) / 32870008.0410800=36
GIGIH: Tentukan Jumlah Strand per SelongsongbuahOkebars (super grade only) / 3812300011.410800

DongkrakPi/angkur=650417kg=6504.17KNDigunakan dongkrak tipe=K 1000
GIGIH: Pilih Tipe DongkrakForce=8945KNStroke=625mmDongkrak OkePressure=250bar

Stroke=454mmPressure=182barJack TypeK 100K 200K 350K 500K 700K 1000KF 500Max. Force (KN)1120206530654595612589455000Max. Pressure (Bar)550650625600625625650Stroke (mm)200200250250250250250

Cek Tgangan&Loss of PrestressPrediksi Loss=10%

Pe1=853089.3kge =68.62cmM. Pe1=58535685.4848387kg.cm

-76.44192.71-137.68-202.5033.54

-76.44-190.39136.02-202.5033.54

Kontrol Tegangan (Saat beban mati bekerja)0.20.250.3Serat atas=-21.41OKE0.30.350.40.450.5Serat bawah=-130.81OKE

Loss Akibat SusutLoss Akibat Slip AngkurPi=947877kgEs=1950000kg/cm2Cos =0.093Ap=72.00cm2 (0,18-0,3)=0.2R=16142.40cmEc=315285.58kg/cm2Slip (0,3-0,5)=0.3cmL=2978.62cmsPi=13164.9583333333kg/cm2x=1500cm%Loss=1.49%t=28hariy=138cmLoss=0.001353985=5.29Loss of Prestress=426.89kg=84.71%Loss of Prestress=3.24%=10.58

Loss Akibat Gesekan TendonPo=1115149.41176471kgTotal Loss=8.75 F'c432.82>270Jika "Tanpa Tul. End Zone" Ga usah lanjut ke bawahPerlu Tul. End Zone

F tul. End Zone=162.82Kg/cm2P tul. End Zone=178288.5kgDigunakan Tul. D=20mmJumlah=12buahAs=37.68cm2Fu=5600Kg/cm2P tul. End Zone=179356.80kg

CekP tul. End Zone