Perhitungan struktur end plate (sambungan kolom baja dan beton)

END PLATE PLATE 1. DATA PERENCANAAN

Rencana Panjang Plat Dasar Kolom Rencana Lebar Plat Dasar Kolom σ'b tekan (K-350) PBI'71 σ'b tark (K-350) PBI'71 K!at tekan beton "omen #asar kolom $a%a Lntang &a#a #asar kolom $a%a ormal #asar kolom

L ≔ 35  B ≔ 35 σ'btekan ≔ 117 ⋅ σ'btarik ≔ 11 ⋅  fc' ≔ 25  Mu ≔ 76075 ⋅  Du ≔   223.5  Pu ≔   2735.14

a ≔ 200 a1 ≔ 75 b ≔ 100 c ≔ 75 d ≔ 200 σplat ≔ 4600

Dmens n# Plate 

⋅

−2 −2

−2

2. KONTROL PLA PL AT LANDASAN

 fc' ≔ 250 ⋅ −2 $a%a aksal %ang bekerja*  Pu =   2735.14 Kek!atan nomnal t!m&! beton 2  A ≔ L ⋅ B =   1225  Pn ≔ 0.85 ⋅  fc fc' ⋅ A =   260312.5

ϕplat ≔ 0.6

--+

 Pu = 2735.14

≤

ϕpla ϕp latt ⋅ Pn =   156187.5

ϕpla latt ⋅ Pn| = “....Ok!” if  Pu ≤ ϕp “....Ok!” | 3. MENGHITUNG TEGANGAN YANG DITERIMA BETON , ksentrstas

 Mu e ≔ ― = 27.814  Pu 2

 A =  1225 W ≔

1 ⋅ B ⋅ L 2 = 7145.833 6

σmaks ≔

 Pu  A

+

 Mu W 

σmak σmakss ≤ σb σbte teka kan n

3

= 12.879 * sengga

⋅

−2

;

σmin ≔

 Pu  A

q ≔ σ'btekan ⋅ 1

−

 Mu W 

= −8.413

= 117

⋅

⋅ −1

−2

4. MENGHITUNG MOMEN YANG TERJADI , Daera 1 1 --+  M1 ≔ ⋅ q ⋅ L1 2 L1 ≔ c = 7.5

2

= 3290.625

⋅

, Daera .

a b

=2

~2

--+

α1 ≔ 0.1

 M2a ≔ α 1⋅ q ⋅ b 2 = 1170  M2b ≔ α 2⋅ q ⋅ b 2 = 585

α2 ≔   0.05

⋅ ⋅

, Daera 3

a1

― = 0.375 < 0.5 d

 M3 ≔

(#t!ng &lat kantle/er)

1 ⋅ q ⋅ a1 2 = 3290.625 2

⋅

 M3  M ≔ ―   = 3290.625

--+

1

5. MENGHITUNG TEBAL PLAT

σ≔

4 ⋅ M  t2

--+

t≔

4 ⋅ M  σplat

= 1.692

~ t≔2

6. MENGHITUNG DIAMETER ANGKER

σmin ≔ −σmin = 8.413

⋅

−2

σmin ⋅ B x ≔ ―――― = 13.83 σmin + σmaks y ≔ B − x =   21.17

1 ⋅ x = 4.61 3

>

Smin ≔ 1.5 ⋅ 2 ⋅ tf  Smin ≔ 1.5 ⋅ 2 ⋅ 1.1

1 ⋅ y =  7.057 3 r ≔ 20

−

C ≔ 40

T ≔

⎛1 ⎞ ⋅ y = 12.943 ⎝3 ⎠

−

⎛1 ⎞ ⎛1 ⎞ ⋅ y − ⋅ x = 28.333 ⎝3 ⎠ ⎝3 ⎠

 Mu − Pu ⋅ r C

= 1435.531

 P!

= 3.3

~ Kon!o" D#$%&&! - Lele  K!at lele angker*

ϕ ≔ 0.9

--+

⋅

−2

T   Agleleh ≔ ― = 0.443 ϕ ⋅ fy

2

 fy ≔ 3600

 fu ≔ 5400

- P!t!s  K!at P!t!s ngker*

ϕ≔   0.75 -

−2

⋅

T   Agleleh ≔ ― = 0.354 ϕ ⋅ fu T  2

--+

2

 Abautperlu ≔ ――――― =   1.282

1120

⋅

−2

 Abautperlu

2nt!k ta& ss  ba!t &erl! 

2

Drencanakan mengg!nakan angker #a   D ≔ 13

 Agleleh

4!mla angker #alam 1 ss 

 Aangker

 Aangker ≔

= 0.267 2

2 ⋅  Aangker =  2.655

D&asang .D-13*

2

  = 0.641

1 ⋅ ⋅ D 2 = 1.327 4

, 2 '($)

>   Abautperlupersisi

. ‥ Ok!

*. MENGHITUNG PANJANG ANGKER Kek!atan ba!t !nt!k menerma beban tark &a#a ta& ss a#ala 

 Pperbaut ≔

T 

2⋅2

=  358.883

;

l≔

 Pperbaut σ'btarik ⋅ 2 ⋅

⋅ 1.5

  = 3.462

l≔5

Panjang ba!t #ambl nla* +. MENGHITUNG SAMBUNGAN LAS

ebal &lat* t = 2 Pro6l Baja B4 5.* Las 70*

a.min ≔ 3

 fu = 5400 ⋅  fulas ≔ 4921 ;

⋅

a.max ≔ t − 0.1

 fu af.max ≔ 1.41 ⋅ ― ⋅ t =   3.094  fulas af.max =   30.945

−2 −2

= 1.9

2

$!nakan 

a ≔ 25 te ≔ 0.707 ⋅ a =  17.675 b≔   25.2 d≔   24.4 d2

2

Sx ≔ b ⋅ d + ― =   813.333

3

kbat P! 

 Pu  fvp ≔ ―――― = 10.344 2 ⋅ 2 ⋅ b + d ⋅ te

kbat "! 

 Mu  fhm ≔ ―― Sx ⋅ 1

= 0.935

 ftotal ≔  ‾‾‾‾‾‾‾‾‾  fvp 2 + fhm 2 = 10.386

⋅

⋅ −2

⋅ −2

−2