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170 cm170 cm

170 cm

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1.71.7

qM= 1414 kg / m

P M = 126 KG

Ly

126 kg

1414 kg

1.2.1.1

2

P t q t/m

Ly = 7.5m

Pt = Total Beban Garis (PM +PH )

qt = Total Beban Terbagi Rata (qM +q H)

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q= 3873 kg/m /lebar balok T

P=16154kg/lebar balok T

7.5m

diaprag

ma

1.2.1.3Beban H!"#$H% &'at $'%

Total Beban Terbagi ata ber!aktor

Total q = "1#6$%1.&6'"q($ ) "1#2$%1414"qM$ =&*7&kg/m

Total Beban Gari+ "Terp,+at$ ber!aktor =

Total P-= "1#6$%"1'''2#16$"P($)"1#2$% "126$ "PM$ =16154kg

1.2.2 Momen ma% g teradi

1.2.2.1 Momen Ma% g Teradi"Mn$

0 % "16154$% 7.5

3

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Ac =Luas beton yg bisa menaan gaya te!an a!ibat Momen Lentur

= bm " a

bm= lebar man#aat saya$ yg bisa menaan gaya te!an Momen Lentur

a=tinggi man#aat saya$ yg bisa menaan gaya te!an Momen Lentur

T=As " #y %= &' " bm " a " #c( = T

&' " bm " a " #c = As " #y

a= )* + ,y / $ -.85 + bm + , %

As = * a=tau

',&M

t=2&

b-=.&

bm=&cm

a

1.2.5. 'enent"kan lebar man,aat *aya#

bm / =0 t+ bo =0 " 2& + .& = &cm

bm2 /=bo + L 1 = .& + ,& 1 =& cm

bm./ =bo + L1&+ bt 12 = .&+,& 1& + ,&12 =& cm

bm3 /=bt =,& cm

bm ar 0g Terkel = 15-m

Ac

AsTinggi bidang tekan (a)

4

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2.1.1 )LT)T 2itent,kan 3,a+ Be+i Tarik "+$ 6 22=6%"1/4 %222$=22*1mm2

iari tinggi -

Perkiraan - *'' mm

ari re!eren+i 3T89T:; 1

e!eren+i '1 kgm=71>'.1%1'5 9mm " liat (al +ebel,m$

Ternyata 'omen yg b*a !taan $'t % >

'omen yg ter

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q=3873 kg/m /lebar balok TP=16154 kg/lebar balok T

6.5 / 7.5 x 16154 =14000kg 16154 kg

x 7.5 x 3873 = 14524 kg

7500 kg275 / 3,75 ! 14524 kg = 1"651 kg

rata = $14524&1-651%/2=12588 kg

7.5 m

3.75 m1m

6.5 m

1m

tot rata rata 1m !r te# =D"= 14--- & 12588 =26588 kg

=26588- eEton.

Gaya gee! !ata !ata yg te!"adi #1m da!i te$i (%& )

2.75 m

3.75 m

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65-

mm

$!

%

28 15-mm$*engkang%$ * = 15- mm %.

,y= 414 / mm

, = 275 / mmF

Tahanan geser ma! #g bisa di$ahan be$o

$

t .%=, / 6 / mmF= 2 85 / 6=-.87/ mmF(!&m&)

;"at ge*er ma+ beton $ D . %=

$

t . % + bE + !

=-.87 + 65-- + 3--=1560003

'&at gee! max yg bia ditaan 2 t&. ba"a ( engkang )

=* x +y = 2 x , 8- x 414 = 4158#72 etn

'&at gee! max yg bia ditaan t&. ba"a ( engkang )

#eeba! bidang gee! ( % ) =* x +y x d /s

=41598.72 x 650/150= 180261#1eEton

3-- mm

$ bE %

Dn = ( %c % ) = 0#8 .( 156000 180261.1 ) =26008#etn %& Dn Gke$265880 etn'/ 26008#etn)

;"at ge*er $ Dn %anya beton !an *engkang tan#a t"l mrng

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28915-mm 28915-mm

8 22 mm

8 22

28915-mm

1m 1m

4 22 mm

2 22

2892-mm

1m

Tul $ra!tis

0& mm

,&&mm

.&&mm

2&&mm

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2 22