Modul B Analisa Struktur Kar

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PERCOBAAN 1 HASIL PERHITUNGAN PRAKTIKUM A. Perhitungan Nilai E Dari θ L = 900 mm X = 100 mm 25 mm 5 mm 260.4166667 200000 No P (N) Dial D (mm) θ E Akibat θ 1 2 0.1 0.001 194400 2046.315789 2 4 0.19 0.0019 204631.5789 8185.263158 3 6 0.3 0.003 194400 2046.315789 4 8 0.4 0.004 194400 2046.315789 5 10 0.5 0.005 194400 2046.315789 982231.5789 16370.52632 196446.3158 3274.105263 199720.4211 193172.2105 B. Perhitungan Nilai E Dari δ L = 900 mm X = 100 mm 25 mm 5 mm 260.4166667 200000 No P (N) Dial A (mm) δ (mm) E Akibat δ 1 2 0.26 0.26 196269.2308 0 2 4 0.52 0.52 196269.2308 0 3 6 0.78 0.78 196269.2308 0 4 8 1.04 1.04 196269.2308 0 5 10 1.3 1.3 196269.2308 0 BBatang = HBatang = IBatang = mm 4 EBaja = N/mm 2 √(Ei-Ē) 2 Ē = (√(Ei-Ē) 2 )/n Emax = Emin = BBatang = HBatang = IBatang = mm 4 EBaja = N/mm 2 √(Ei-Ē) 2

Transcript of Modul B Analisa Struktur Kar

PERCOBAAN 1 HASIL PERHITUNGAN PRAKTIKUM

A. Perhitungan Nilai E Dari θ

L = 900 mm

X = 100 mm

25 mm

5 mm

260.4166667

200000

No P (N) Dial D (mm) θ E Akibat θ

1 2 0.1 0.001 194400 2046.315789

2 4 0.19 0.0019 204631.5789 8185.263158

3 6 0.3 0.003 194400 2046.315789

4 8 0.4 0.004 194400 2046.315789

5 10 0.5 0.005 194400 2046.315789

982231.5789 16370.52632

196446.3158

3274.105263

199720.4211

193172.2105

B. Perhitungan Nilai E Dari δ

L = 900 mm

X = 100 mm

25 mm

5 mm

260.4166667

200000

No P (N) Dial A (mm) δ (mm) E Akibat δ

1 2 0.26 0.26 196269.2308 0

2 4 0.52 0.52 196269.2308 0

3 6 0.78 0.78 196269.2308 0

4 8 1.04 1.04 196269.2308 0

5 10 1.3 1.3 196269.2308 0

BBatang =

HBatang =

IBatang = mm4

EBaja = N/mm2

√(Ei-Ē)2

Ē =

(√(Ei-Ē)2)/n =

Emax =

Emin =

BBatang =

HBatang =

IBatang = mm4

EBaja = N/mm2

√(Ei-Ē)2

981346.1538 0

196269.2308

0

196269.2308

196269.2308

PERCOBAAN 1 HASIL PERHITUNGAN TEORITIS

L = 900 mm

X = 100 mm

25 mm

5 mm

260.4166667

200000

No P (N) δ (mm) θ E Akibat δ E Akibat θ

1 2 0.25515 0.000972 200000 200000

2 4 0.5103 0.001944 200000 200000

3 6 0.76545 0.002916 200000 200000

4 8 1.0206 0.003888 200000 200000

5 10 1.27575 0.00486 200000 200000

PERCOBAAN 1 KESALAHAN RELATIF

L = 900 mm

X = 100 mm

25 mm

5 mm

260.4166667

200000

No P (N) δ (mm) Teori θ Teori θ Praktik

1 2 0.25515 0.26 1.900842642 0.000972 0.001

2 4 0.5103 0.52 1.900842642 0.001944 0.0019

3 6 0.76545 0.78 1.900842642 0.002916 0.003

4 8 1.0206 1.04 1.900842642 0.003888 0.004

5 10 1.27575 1.3 1.900842642 0.00486 0.005

Ē =

(√(Ei-Ē)2)/n =

Emax =

Emin =

BBatang =

HBatang =

IBatang = mm4

EBaja = N/mm2

BBatang =

HBatang =

IBatang = mm4

EBaja = N/mm2

δ (mm) Praktik

Kesalahan Relatif δ

PERCOBAAN 1 KESALAHAN RELATIF

2.880658436

2.263374486

2.880658436

2.880658436

2.880658436

Kesalahan Relatif θ

PERCOBAAN 2 HASIL PERHITUNGAN PRAKTIKUM

L = 900 mm

X = 100 mm

25 mm

5 mm

260.4166667

200000

No P (N) Dial A (mm) δ (mm) E Akibat δ

1 2 0.15 0.15 194400 511.5789474

2 4 0.3 0.3 194400 511.5789474

3 6 0.45 0.45 194400 511.5789474

4 8 0.6 0.6 194400 511.5789474

5 10 0.76 0.76 191842.1053 2046.315789

969442.1053 4092.631579

193888.4211

818.5263158

194706.9474

193069.8947

PERCOBAAN 2 HASIL PERHITUNGAN TEORITIS

L = 900 mm

X = 100 mm

25 mm

5 mm

260.4166667

200000

No P (N) δ (mm) E Akibat δ

1 2 0.1458 200000

2 4 0.2916 200000

3 6 0.4374 200000

4 8 0.5832 200000

5 10 0.729 200000

BBatang =

HBatang =

IBatang = mm4

EBaja = N/mm2

√(Ei-Ē)2

Ē =

(√(Ei-Ē)2)/n =

Emax =

Emin =

BBatang =

HBatang =

IBatang = mm4

EBaja = N/mm2

PERCOBAAN 2 KESALAHAN RELATIF

L = 900 mm

X = 100 mm

25 mm

5 mm

260.4166667

200000

No P (N) δ (mm) Teori

1 2 0.1458 0.15 2.880658436

2 4 0.2916 0.3 2.880658436

3 6 0.4374 0.45 2.880658436

4 8 0.5832 0.6 2.880658436

5 10 0.729 0.76 4.252400549

BBatang =

HBatang =

IBatang = mm4

EBaja = N/mm2

δ (mm) Praktik

Kesalahan Relatif δ

PERCOBAAN 3 HASIL PERHITUNGAN PRAKTIKUM

A. Perhitungan Dari θ Tengah

L = 900 mm

X = 100 mm

25 mm

5 mm

260.4166667

200000

L/EI = 0.00001728 N/m

No P (N) M (Nmm)Dial A (mm)

1 2

1 2 75 150 0 0.1 0.001

2 4 75 300 0 0.4 0.004

3 6 75 450 0.1 0.8 0.007

4 8 75 600 0.1 0.9 0.008

5 10 75 750 0.1 0.14 0.0004

7.738971429

6.373205742

B. Perhitungan Dari θ Kanan

L = 900 mm

X = 100 mm

25 mm

5 mm

260.4166667

200000

L/EI = 0.00001728 N/m

No P (N) M (Nmm) Dial D (mm)

1 2 75 150 -0.1 0.001 2.592

2 4 75 300 -0.35 0.0035 1.481142857

3 6 75 450 -0.55 0.0055 1.413818182

4 8 75 600 -0.6 0.006 1.728

5 10 75 750 -0.8 0.008 1.62

8.834961039

2.944987013

BBatang =

HBatang =

IBatang = mm4

EBaja = N/mm2

Lengan Momen θA

Ḱ =

(√(Ki-Ḱ)2/Ḱ =

BBatang =

HBatang =

IBatang = mm4

EBaja = N/mm2

Lengan Momen θD KD

Ḱ =

2(√(Ki-Ḱ)2/Ḱ =

PERCOBAAN 3 HASIL PERHITUNGAN PRAKTIKUM

2.592 5.146971429

1.296 6.442971429

1.110857143 6.628114286

1.296 6.442971429

32.4 24.66102857

38.69485714 49.32205714

0.352987013

1.463844156

1.531168831

1.216987013

1.324987013

5.889974026

KA √(Ki-Ḱ)2

√(Ki-Ḱ)2

PERCOBAAN 4 HASIL PERHITUNGAN PRAKTIKUM

L = 900 mm

X = 100 mm

25 mm

5 mm

260.4166667

200000

L/EI = 0.00001728 N/m

No P (N) M (Nmm)Dial A (mm)

1 2

1 2 75 150 0 0.01 0.0001

2 4 75 300 0.01 -0.04 0.0005

3 6 75 450 0.01 -0.07 0.0008

4 8 75 600 0.02 -0.09 0.0011

5 10 75 750 0.02 -1.1 0.0112

11.31811948

2.580266191

BBatang =

HBatang =

IBatang = mm4

EBaja = N/mm2

Lengan Momen θA

Ḱ =

(√(Ki-Ḱ)2/Ḱ =

PERCOBAAN 4 HASIL PERHITUNGAN PRAKTIKUM

25.92 14.60188052

10.368 0.950119481

9.72 1.598119481

9.425454545 1.892664935

1.157142857 10.16097662

56.5905974 29.20376104

KA √(Ki-Ḱ)2