Diketahui

Data penampang kolom

Lebar (b) 300 mm arah sumbu xs1 180 mm Jarak antara strandPjng(h)= 570 mmS2= 150 mm arah sumbu yCover= 60 mm jarak antar strand

Data strand

jumlah(n) 8 buah

100

Data Beton

fc'=30 Mpa

Perhitungan Momen 9 Nominal (Mn) dan beban aksial (Pn) dengan berbagai nilai sumbu netral ©

c

εs1'

((b-c-cover)/c) x 0.003

mmTarik 0 0.004 0.004

100 0.004 0.0042130 0.004 0.0025384615150 0.004 0.0018180 0.004 0.001

As@1= mm2

εy

εs1

εse

200 0.004 0.0006225 0.004 0.0002250 0.004 -0.00012270 0.004 -0.0003333333300 0.004 -0.0006

Tekan Mn 0 0.004 -0.002

β

Jarak antara strand

Data tegangan

1 fs= 192700 ε Mpa

2 fs= 2260-6.3/ ε Mpa

β1 0.8375

Nominal (Mn) dan beban aksial (Pn) dengan berbagai nilai sumbu netral © C)

εs2

εse+εs1'

εs2'

εse+εs2'(c-cover)/c x 0.003

0.004 0.004 0.004 0.0080.0082 0.004 0.0012 0.0028

0.0065384615 0.004 0.0016153846 0.00238461540.0058 0.004 0.0018 0.00220.005 0.004 0.002 0.002

εse=

0.004

εse

0.0046 0.004 0.0021 0.00190.0042 0.004 0.0022 0.0018

0.00388 0.004 0.00228 0.001720.0036666667 0.004 0.0023333333 0.0016666667

0.0034 0.004 0.0024 0.00160.002 0.004 -0.002 0.002

Chart Title

Tarik

Tekan Mn

a TI T2 Cc Pn

β1 x cfs x 4 x fs x 4 x 0.85 x fc' x C-TI-T2As As β1 x c x h

kN kN kN kN0 464.5 464.5 0 -929

83.75 745.8536585366 269.78 1217.30625 201.672591463108.875 629.9807692308 229.7576923077 1582.498125 722.759663462125.625 558.83 211.97 1825.959375 1055.159375150.75 481.75 192.7 2191.15125 1516.70125

167.5 443.21 183.065 2434.6125 1808.3375188.4375 404.67 173.43 2738.9390625 2160.8390625

209.375 373.838 165.722 3043.265625 2503.705625226.125 353.2833333333 160.5833333333 3286.726875 2772.86020833251.25 327.59 154.16 3651.91875 3170.16875

192.7 192.7 4360.5 3975.1

Chart Title

Tarik

Tekan Mn

Mn(-Cc) x (a/2) + TIx240 + T2x60+ Pn(150)

kNm0

174.4678675495187.2475539934190.4182330078189.5291620313

MOMEN AKSIAL LOAD INTERACTION DIAGRAM

184.706128125173.5930445801156.6284136328138.7464739453104.6242195313

0

MOMEN AKSIAL LOAD INTERACTION DIAGRAM