Perhitungan Momen Tahanan Balok Memanjang Lantai 2 9,3 m .1 Tumpuan Perhitungan Momen Tahanan Balok Melintang Lantai 2 7,3 m .1 Tumpuan

4.3.10 Perhitungan Momen Tahanan Balok Memanjang Lantai 2 9,3 m 4.3.10.1 Tumpuan Mu = -379,2622 KNm As = 4 D 22 = 4 x 3,14 x 11 2 = 1519,76 mm 2 As’ = 3 D 22 = 3 x 3,14 x 11 2 = 1139,82 mm 2 b = 400 mm h = 900 mm d’ = 50 mm d = h – d’ = 900 mm – 50 mm = 850 mm fc’ = 9,424 Nmm 2 fy s = 339,44 Nmm 2 � = �� �.� = 1519,76 mm 2 400 mm x 850 mm = 0,0044699 �′ = ��′ �.� = 1139,82 mm 2 400 mm x 850 mm = 0,0033524 � � = ��−� ′ �.�� � 0,85.�1.��′ = 0,0044699 − 0,0033524 � 339,44 Nmm 2 0,85 � 0,85 � 9,424 Nmm 2 � � = 0,055711 �� ∅.�.� 2 = � ′ . �� � . ρ � ′ − 1. 1 - 0,425. � � + 1 – �′ � �� = {� ′ . �� � . ρ � ′ − 1. 1 - 0,425. � � + 1 – �′ � } . ∅. �. � 2 Mr = {0,0033524 � 339,44 Nmm 2 x 0,0044699 0,0033524 − 1 x 1 - 0,425 x 0,055711 + 1 – 50 mm 850 mm } x 0,8 x 400 mm x 850 mm 2 Mr = 303,2233 KNm

4.3.10.2 Lapangan

Mu = 206,1728 KNm As = 4 D 22 = 4 x 3,14 x 11 2 = 1519,76 mm 2 As’ = 3 D 22 = 3 x 3,14 x 11 2 = 1139,82 mm 2 b = 400 mm h = 900 mm d’ = 50 mm d = h – d’ = 900 mm – 50 mm = 850 mm fc’ = 9,424 Nmm 2 fy s = 339,44 Nmm 2 � = �� �.� = 1519,76 mm 2 400 mm x 850 mm = 0,0044699 �′ = ��′ �.� = 1139,82 mm 2 400 mm x 850 mm = 0,0033524 �� ∅.�.� 2 = ∅. � . �� � . 1 - 0,588. � . �� � ��′ �� = {∅. � . �� � . 1 - 0,588. � . �� � ��′ } . ∅. �. � 2 Mr = {0,8 x 0,0044699 x 339,44 Nmm 2 x 1 – 0,588 x 0,0044699 x 339,44 Nmm 2 9,424 Nmm 2 } x 0,8 x 400 mm x 850 mm 2 Mr = 254,0659 KNm 4.3.11 Perhitungan Momen Tahanan Balok Melintang Lantai 2 7,3 m 4.3.11.1 Tumpuan Mu = -379,2622KNm As = 3 D 22 = 3 x 3,14 x 11 2 = 1139,82 mm 2 As’ = 2 D 22 = 2 x 3,14 x 11 2 = 759,88 mm 2 b = 400 mm h = 900 mm d’ = 50 mm d = h – d’ = 900 mm – 50 mm = 850 mm fc’ = 9,424 Nmm 2 fy s = 339,44 Nmm 2 � = �� �.� = 1139,82 mm 2 400 mm x 850 mm = 0,00335242 �′ = ��′ �.� = 759,88 mm 2 400 mm x 850 mm = 0,00223494 � � = ��−� ′ �.�� � 0,85.�1.��′ = 0,00335242 − 0,00223494 � 339,44 Nmm 2 0,85 � 0,85 � 9,424 Nmm 2 � � = 0,0557096 �� ∅.�.� 2 = � ′ . �� � . ρ � ′ − 1. 1 - 0,425. � � + 1 – �′ � �� = {� ′ . �� � . ρ � ′ − 1. 1 - 0,425. � � + 1 – �′ � } . ∅. �. � 2 Mr = {0,00223494 � 339,44 Nmm 2 x 0,00335242 0,00223494 − 1 x 1 - 0,425 x 0,0557096 + 1 – 50 mm 850 mm } x 0,8 x 400 mm x 850 mm 2 Mr = 303,2218 KNm

4.3.11.2 Lapangan

Mu = 206,1728 KNm As = 3 D 22 = 3 x 3,14 x 11 2 = 1139,82 mm 2 As’ = 2 D 22 = 2 x 3,14 x 11 2 = 759,88 mm 2 b = 400 mm h = 900 mm d’ = 50 mm d = h – d’ = 900 mm – 50 mm = 850 mm fc’ = 9,424 Nmm 2 fy s = 339,44 Nmm 2 � = �� �.� = 1139,82 mm 2 400 mm x 850 mm = 0,00335242 �′ = ��′ �.� = 759,88 mm 2 400 mm x 850 mm = 0,00223494 �� ∅.�.� 2 = ∅. � . �� � . 1 - 0,588. � . �� � ��′ �� = {∅. � . �� � . 1 - 0,588. � . �� � ��′ } . ∅. �. � 2 Mr = {0,8 x 0,00335242 x 339,44 Nmm 2 x 1 – 0,588 x 0,00335242 x 339,44 Nmm 2 9,424 Nmm 2 } x 0,8 x 400 mm x 850 mm 2 Mr = 195,5305 KNm

4.3.12 Perhitungan Gaya Geser Tahanan Balok Utama Lantai 2 90x40 cm