sni 03-2847-2002 (beton)

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SK SNI 03 - xxxx - 2002

Tata cara perhitungan struktur beton untuk bangunan gedung(16 Desember 2002)

ICS

Tata cara perencanaan struktur beton untuk bangunan gedungDaftar isi ..................................................................................................... Daftar tabel.................................................................................................. Daftar gambar ............................................................................................. Prakata ........................................................................................................ 1 2 3 44.1 4.2

i xi xii xiv 1 1 4 1313 13

Ruang lingkup ............................................................................... Acuan normatif.............................................................................. Istilah dan definisi......................................................................... Persyaratan-persyaratan ..............................................................Perencanaan struktur................................................................................ Penanggung jawab perhitungan ..............................................................

55.1 5.2 5.3 5.4 5.5 5.6 5.7

Bahan ............................................................................................Pengujian bahan ....................................................................................... Semen....................................................................................................... Agregat ..................................................................................................... Air.............................................................................................................. Baja tulangan ............................................................................................ Bahan tambahan....................................................................................... Penyimpanan bahan-bahan......................................................................

1414 14 14 15 15 18 19

66.1 6.2 6.3 6.4

Persyaratan keawetan beton........................................................Rasio semen-air........................................................................................ Pengaruh lingkungan ................................................................................ Pengaruh lingkungan yang mengandung sulfat........................................ Perlindungan tulangan terhadap korosi ....................................................

2020 20 20 21

i

77.1 7.2 7.3

Kualitas, pencampuran, dan pengecoran ...................................Umum ....................................................................................................... Pemilihan perbandingan campuran beton ................................................ Perancangan proporsi campuran berdasarkan pengalaman lapangan dan/atau hasil uji .......................................................................................

2222 22

23

7.4

Perancangan campuran tanpa berdasarkan data lapangan atau campuran percobaan ................................................................................ 27 27 27 30 30 31 31 32 32

7.5 7.6 7.7 7.8 7.9 7.10 7.11 7.12

Reduksi kuat rata-rata............................................................................... Evaluasi dan penerimaan beton ............................................................... Persiapan peralatan dan tempat penyimpanan ........................................ Pencampuran............................................................................................ Pengantaran ............................................................................................. Pengecoran............................................................................................... Perawatan beton....................................................................................... Persyaratan cuaca panas .........................................................................

88.1 8.2 8.3 8.4

Cetakan, pipa tertanam, dan siar pelaksanaan ..........................Perencanaan cetakan ............................................................................... Pembongkaran cetakan dan penopang serta penopangan kembali......... Saluran dan pipa yang ditanam pada beton ............................................. Siar pelaksanaan .....................................................................................

3333 33 34 36

99.1 9.2 9.3 9.4 9.5 9.6 9.7

Detail penulangan .........................................................................Kait standar............................................................................................... Diameter bengkokan minimum ................................................................. Cara pembengkokan ................................................................................ Kondisi permukaan baja tulangan............................................................. Penempatan tulangan............................................................................... Batasan spasi tulangan ............................................................................ Pelindung beton untuk tulangan .............................................................

3737 37 38 38 38 39 41

ii

9.8 9.9 9.10 9.11 9.12 9.13

Detail tulangan khusus untuk kolom ......................................................... Sambungan .............................................................................................. Tulangan lateral pada komponen struktur tekan....................................... Penulangan lateral untuk komponen struktur lentur ................................. Tulangan susut dan suhu.......................................................................... Tulangan khusus untuk integritas struktur ................................................

44 45 45 48 48 49

1010.1 10.2 10.3 10.4 10.5 10.6 10.7 10.8 10.9 10.10 10.11 10.12

Analisis dan perencanaan ...........................................................Perencanaan............................................................................................. Pembebanan............................................................................................. Metode analisis ........................................................................................ Redistribusi momen negatif pada balok lentur non-prategang menerus . Modulus elastisitas.................................................................................... Kekakuan ................................................................................................. Panjang bentang....................................................................................... Kolom........................................................................................................ Pengaturan beban hidup........................................................................... Konstruksi balok-T .................................................................................... Konstruksi pelat rusuk............................................................................... Penutup lantai yang terpisah ....................................................................

5151 51 51 53 54 54 54 55 56 56 57 58

1111.1 11.2 11.3 11.4 11.5

Ketentuan mengenai kekuatan dan kemampuan layan .............Umum ....................................................................................................... Kuat perlu.................................................................................................. Kuat rencana............................................................................................. Kuat rencana tulangan ............................................................................. Kontrol terhadap lendutan.........................................................................

5959 59 61 62 62

1212.1 12.2

Beban lentur dan aksial................................................................Umum ....................................................................................................... Asumsi dalam perencanaan .....................................................................iii

6969 69

12.3 12.4 12.5 12.6 12.7 12.8 12.9 12.10 12.11 12.12 12.13 12.14 12.15 12.16 12.17

Prinsip perencanaan ................................................................................ Jarak antara pendukung lateral untuk komponen struktur lentur.............. Tulangan minimum pada komponen struktur lentur................................. Distribusi tulangan lentur pada balok dan pelat satu arah ........................ Komponen struktur lentur tinggi ................................................................ Dimensi rencana untuk komponen struktur tekan..................................... Pembatasan untuk tulangan komponen struktur tekan............................. Pengaruh kelangsingan pada komponen struktur tekan........................... Perbesaran momen Umum .................................................................... Perbesaran momen Rangka portal tak bergoyang ................................ Perbesaran momen Rangka portal bergoyang ...................................... Komponen struktur dengan beban aksial yang mendukung sistem pelat. Penyaluran beban kolom melalui sistem pelat lantai ................................ Komponen struktur tekan komposit .......................................................... Kuat tumpu................................................................................................

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