DAFTAR ISI
HALAMAN JUDUL ...................................................................................... i HALAMAN PENGESAHAN........................................................................ ii HALAMAN PERSEMBAHAN .................................................................... iii KATA PENGANTAR.................................................................................... iv DAFTAR ISI................................................................................................... vi DAFTAR TABEL .......................................................................................... ix DAFTAR GAMBAR...................................................................................... xi DAFTAR LAMPIRAN .................................................................................. xii ABSTRAKSI................................................................................................... xiii BAB I PENDAHULUAN 1.1
Latar Belakang ..................................................................................... 1
1.2
Perumusan Masalah ............................................................................. 3
1.3
Tujuan .................................................................................................. 3
1.4
Manfaat Penelitian ............................................................................... 3
1.5
Batasan Masalah .................................................................................. 4
BAB II TINJAUAN PUSTAKA 2.1
Tinjauan Umum ................................................................................... 6
2.2
Hasil-hasil Penelitian ........................................................................... 8
BAB III LANDASAN TEORI 3.1
Beton Pasir ........................................................................................... 10
3.2
Bahan-bahan Campuran Beton Pasir ................................................... 10
3.2.1
Semen Portland ........................................................................ 11
3.2.2
Air ............................................................................................ 13
3.2.3
Agregat..................................................................................... 13
3.2.4
Ijuk Sebagai Serat................................................................... . 13
3.3
Interaksi Serat Didalam Campuran ...................................................... 15
3.4
Perencanaan Campuran Beton ............................................................. 18
3.5
Kuat Lentur Beton................................................................................ 21
3.6
Kuat Desak Beton ............................................................................... 22
3.6
Kuat Desak Geser................................................................................ 24
BAB IV METODE PENELITIAN 4.1
Prosedur Pelaksanaan Percobaan ......................................................... 25
4.2
Persiapan Bahan dan Alat .................................................................... 27 4.2.1
Bahan ....................................................................................... 27
4.2.2
Alat........................................................................................... 29
4.3
Pemeriksaan Bahan Campuran Beton.................................................. 30
4.4
Perencanaan Campuran Beton ............................................................. 31
4.5
Pembuatan Campuran Beton Pasir....................................................... 31
4.6
Analisa Saringan dan Modulus Halus Butiran ..................................... 32
4.7
Pengujian Slump................................................................................... 32
4.8
Pemeriksaan Kadar Lumpur................................................................. 33
4.9
Pembuatan Benda Uji........................................................................... 33 4.9.1 Perencanaan Campuran Beton .................................................. 34 4.9.2 Perawatan Benda Uji ................................................................ 45
4.10
Pengujian Benda Uji ............................................................................ 45
BAB V HASIL PENELITIAN DAN PEMBAHASAN 5.1
Hasil Penelitian .................................................................................... 47 5.1.1 Kuat Lentur Conblock Beton Pasir ........................................... 47 5.1.2 Kuat Desak Conblock Beton Pasir............................................ 49 5.1.3 Kuat Geser Conblock Beton Pasir ............................................ 52
5.2
Pembahasan.......................................................................................... 54 5.2.1 Kuat Lentur Conblock Beton Pasir ........................................... 54 5.2.2 Kuat Desak Conblock Beton Pasir............................................ 56 5.2.3 Kuat Geser Conblock Beton Pasir ............................................ 58
BAB VI KESIMPULAN DAN SARAN 6.1
Kesimpulan .......................................................................................... 60
6.2
Saran..................................................................................................... 61
DAFTAR PUSTAKA LAMPIRAN
DAFTAR TABEL
Tabel 3.1 Nilai slump ..................................................................................... 19 Tabel 3.2 Ukuran maksimum agregat (mm) .................................................. 19 Tabel 3.3 Perkiraan kebutuhan air berdasarkan nilai slump dan ukuran maksimum agregat (liter) ............................................................... 19 Tabel 3.4 Perkiraan kebutuhan agregat kasar per meter kubik beton berdasarkan ukuran maksimum agregat dan modulus halus pasirnya (m3) .................................................................................. 20 Tabel 4.1 Jumlah benda uji ............................................................................ 33 Tabel 4.2 Faktor granular butiran................................................................... 36 Tabel 4.3 Koreksi Kadar Air .......................................................................... 38 Tabel 4.4 Harga-harga K, Ks, Kp................................................................... 40 Tabel 4.5 Klasifikasi Plastisitas Beton........................................................... 41 Tabel 4.6 Koefesien kekompakan beton ( γ )................................................. 41 Tabel 4.7 Komposisi serat dari berat beton tiap 1 m³ .................................... 44 Tabel 4.8 Komposisi serat dari berat beton untuk 1 conblock ....................... 44 Tabel 5.1 Hasil perhitungan kuat lentur conblock tanpa serat umur 28 hari
47
Tabel 5.2 Hasil perhitungan kuat lentur conblock dengan serat 0,1% umur. 28 hari ............................................................................................ 48 Tabel 5.3 Hasil perhitungan kuat lentur conblock dengan serat 0,2% umur. 28 hari ............................................................................................ 48 Tabel 5.4 Hasil perhitungan kuat lentur conblock dengan serat 0,3% umur..
28 hari ............................................................................................ 48 Tabel 5.5 Hasil rata-rata kuat lentur............................................................... 49 Tabel 5.6 Hasil perhitungan kuat desak conblock tanpa serat umur 28 hari.. 50 Tabel 5.7 Hasil perhitungan kuat desak conblock dengan serat 0,1% umur. 28 hari ............................................................................................ 50 Tabel 5.8 Hasil perhitungan kuat desak conblock dengan serat 0,2% umur. 28 hari ............................................................................................ 50 Tabel 5.9 Hasil perhitungan kuat desak conblock dengan serat 0,3% umur. 28 hari ............................................................................................ 51 Tabel 5.10 Hasil rata-rata kuat desak ............................................................... 51 Tabel 5.11 Hasil perhitungan kuat geser conblock tanpa serat umur 28 hari.. 52 Tabel 5.12 Hasil perhitungan kuat geser conblock dengan serat 0,1% umur. 28 hari ............................................................................................ 52 Tabel 5.13 Hasil perhitungan kuat geser conblock dengan serat 0,2% umur. 28 hari ............................................................................................ 53 Tabel 5.14 Hasil perhitungan kuat geser conblock dengan serat 0,3% umur. 28 hari ............................................................................................ 53 Tabel 5.15 Hasil rata-rata kuat geser................................................................ 53 Tabel 5.16 Hasil rata-rata kuat lentur............................................................... 54 Tabel 5.17 Hasil rata-rata kuat desak ............................................................... 56 Tabel 5.18 Hasil rata-rata kuat geser................................................................ 58
DAFTAR GAMBAR
Gambar 3.1 Susunan kimia semen .................................................................. 12 Gambar 3.2 Interaksi serat terhadap campuran homogen tak dapat retak ...... 16 Gambar 3.3 Interaksi serat terhadap campuran yang dapat retak ................... 17 Gambar 3.4 Pengujian Kuat Lentur ................................................................ 22 Gambar 4.1 Bagan alir prosedur penelitian .................................................... 26 Gambar 4.2 Pengukuran nilai slump............................................................... 32 Gambar 4.3 Kurva hubungan antara perbandingan jumlah semen dengan air (C/E) dan nilai slump (A) ........................................................... 37 Gambar 4.4 Pengujian kuat lentur................................................................... 46 Gambar 5.1 Grafik kuat lentur rata-rata tiap variasi ...................................... 49 Gambar 5.2 Grafik kuat desak rata-rata tiap variasi ....................................... 51 Gambar 5.3 Grafik kuat geser rata-rata tiap variasi ........................................ 54 Gambar 5.4 Grafik kuat lentur rata-rata tiap variasi ...................................... 55 Gambar 5.5 Grafik kuat desak rata-rata tiap variasi ....................................... 56 Gambar 5.6 Grafik kuat geser rata-rata tiap variasi ........................................ 58
DAFTAR LAMPIRAN
Lampiran 1 Hasil pengujian kuat desak, kuat desak, dan kuat lentur. Lampiran 2 Perhitungan kuat desak, kuat desak, dan kuat lentur. Lampiran 3 Dokumentasi pelaksanaan penelitian. Lampiran 4 Surat ijin penggunaan laboratorium, surat bimbingan tugas akhir Dan catatan konsultasi tugas akhir.
