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All Journal JeLAST : Jurnal Teknik Kelautan , PWK , Sipil, dan Tambang
Cek Putra Handalan, Cek Putra
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Civil Engineering, Building, Construction & Architecture

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STUDI EKSPERIMENTAL PENGARUH PENGGUNAAN PASIR DARI BEBERAPA DAERAH TERHADAP KUAT TEKAN BETON Jeffry, -; Lingga, Andry Alim; Handalan, Cek Putra
JeLAST : Jurnal PWK, Laut, Sipil, Tambang Vol 5, No 1 (2018): JURNAL MAHASISWA TEKNIK SIPIL EDISI FEBRUARI 2018
Publisher : JeLAST : Jurnal PWK, Laut, Sipil, Tambang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (308.056 KB) | DOI: 10.26418/jelast.v5i1.24133

Abstract

Beton merupakan salah satu bahan konstruksi yang telah umum digunakan untuk bangunan gedung, jembatan, jalan, dan lain-lain. Beton merupakan satu kesatuan yang homogen. Beton ini didapatkan dengan cara mencampur agregat halus (pasir), agregat kasar (kerikil), atau jenis agregat lain dan air, dengan semen Portland atau semen hidrolik yang lain, Campuran tersebut akan mengeras seperti batuan. Pengerasan terjadi karena peristiwa reaksi kimia antara semen dengan air. Beton yang sudah mengeras dapat juga dikatakan sebagai batuan tiruan, dengan rongga-rongga antara butiran yang besar (agregat kasar atau batu pecah), dan diisi oleh batuan kecil (agregat halus atau pasir), dan pori-pori pori antara agregat halus diisi oleh semen dan air (pasta semen). Dalam pembuatan benda uji metode yang digunakan yaitu Metode SNI, dengan kuat tekan rencana 20 MPa. Semen yang digunakan adalah semen PCC. Benda uji yang dibuat berbentuk silinder dengan Æ 15 cm, dan tinggi 30 cm. Terdapat enam variasi sampel beton yaitu pasir daerah Putussibau, pasir daerah Karangan, pasir daerah Toho, pasir daerah Tayan, pasir halus dan kasar daerah Pontianak. Pengujian/pengetesan benda uji meliputi uji kuat tekan.Kata kunci: pasir kasar dan pasir halus dan kuat tekan beton.
STUDI EKSPERIMENTAL BETON ADUKAN KERING DENGAN METODE PENGECORAN PIPA BERKATUP PADA AIR LABORATORIUM Akbar, Ali; ., Herwani; handalan, Cek putra
JeLAST : Jurnal PWK, Laut, Sipil, Tambang Vol 2, No 2 (2015): JURNAL MAHASISWA TEKNIK SIPIL UNTAN EDISI JUNI 2015
Publisher : JeLAST : Jurnal PWK, Laut, Sipil, Tambang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (437.079 KB) | DOI: 10.26418/jelast.v2i2.12028

Abstract

This paper presents the results of an experiment on the casting by pouring into a mold with a confused puddle varies is 25%, 50%, 75%, 100% and 120% of the height of the mold. Specimens made ​​with a cylindrical Æ 15 cm, and 30 cm high. Order to determine the compressive strength and influence on the amount of standing water on the formwork (cylinder). Testing include compressive strength test. In the manufacture of test specimens used methods namely ACI method. Quality concrete is planned fc '= 25 MPa. From the experimental results obtained values ​​Normal Concrete compressive strength characteristics without puddles of 21.14 MPa and the concrete variables in consecutive puddles 6.18 MPa; 2.73 MPa; 2.42 MPa; 2.42 MPa and 1.89 Mpa. When compared with normal concrete without flooding a decline of 74.28%, 82.50%, 90.38%, 85.51% and 86.61%. Key words :compressive strength, concrete normal
STUDI EKSPERIMEN KUAT TEKAN BETON BERDASARKAN URUTAN PENCAMPURAN MATERIAL PENYUSUN BETON DENGAN ADUKAN MANUAL Asmita, Endra Pramana; Mungok, Crisna Djaya; Handalan, Cek Putra
JeLAST : Jurnal PWK, Laut, Sipil, Tambang Vol 2, No 2 (2015): JURNAL MAHASISWA TEKNIK SIPIL UNTAN EDISI JUNI 2015
Publisher : JeLAST : Jurnal PWK, Laut, Sipil, Tambang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (832.174 KB) | DOI: 10.26418/jelast.v2i2.11354

Abstract

The aim of this research where to determine the effect of mixing the precursor material is done manually to slump, the characteristic concrete compressive strength, tensile strength and modulus of elasticity of concrete sides. Testing includes compressive strength, tensile strength and modulus of elasticity sides. Determination of concrete mix using methods ACI modification. The planned concrete quality is fc '= 22.5 MPa. The experimental results obtained sequence of mixing cement, sand, water, crushed stone which produces most compressive strength characteristics compared with other mixing sequences with an average of 29.124 MPa. For a split tensile strength values ​​obtained sequence of mixing sand, cement, crushed stone, water and the order of mixing cement, sand, water, crushed stone produce the most divisive tensile strength compared with other mixing sequences with an average of 2.978 MPa. As for the value obtained sequence modulu elasticity mixing cement, sand, crushed stone, water produces elastic modulus of the most good with an average of 34336,023 MPa.   Keywords: Mixing sequence, time, Compressive Strength, Pull Shopping
STUDI EKSPERIMENTAL PENGARUH PENAMBAHAN ADMIXTURE BETONMIX DENGAN MENGGUNAKAN SEMEN PPC TERHADAP KUAT TEKAN BETON Nauly, Sondy Putra; Mungok, Chrisna Djaya; Handalan, Cek Putra
Jurnal Mahasiswa Teknik Sipil Universitas Tanjungpura Vol 1, No 1 (2016): JURNAL MAHASISWA TEKNIK SIPIL UNTAN EDISI FEBRUARI 2016
Publisher : Jurnal Mahasiswa Teknik Sipil Universitas Tanjungpura

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

As it grows concrete in building construction are often used as a structure and can be used for other things. In the process of mixing concrete on the ground frequently arise in the form of stirring and casting a result of a reduction in the amount of water usage to improve the quality of concrete, it is necessary to use additive (additive) as a mixture of concrete mix so that more plastic that will facilitate and speed up concrete hardening foundry. In this study, using a mix concrete admixture materials Betonmix, which is expected to improve the quality of the concrete compressive strength, tensile strength and modulus of elasticity sides in general and in particular to determine the change in temperature after casting, hardening time / setting time, shrinkage and porosity. Betonmix is a colorless liquid that is highly useful for improving the quality of the concrete, thus simplifying construction and produce high-quality concrete. Tests conducted on the study include compressive strength, tensile strength and modulus of elasticity sides, as well as testing the temperature after casting, hardening time test / setting time by means of Vicat, shrinkage testing using a ruler and porosity testing. For testing compressive strength, tensile strength and modulus of elasticity sides using cylindrical test specimen with a diameter of 15 cm and 30 cm high. The test specimen consists of 85 cylinders for each - each variation. This study uses five variations, normal concrete (N), normal concrete plus betonmix 1% (B1%), normal concrete plus betonmix 2% (B2%), normal concrete plus betonmix 3% (B3%) and normal concrete plus betonmix 4 % (B4%). Results of testing the temperature after casting temperature rise by 1-3oC. The test results hardening time / setting time can take an average time of hardening of concrete during the 225 minutes. From the test results of concrete shrinkage that occurs ± 0.1 cm. The test results show that the porosity by using betonmix can reduce porosity. Testing of compressive strength, tensile strength and modulus of elasticity sides obtained optimum value on the plus concrete admixture betonmix. In the compressive strength increased by 14% compared to normal concrete (N), while the tensile strength sides an increase of 30.43% compared to normal concrete (N), and the modulus of elasticity of an increase of 32.37% compared to normal concrete (N ). Keywords :Betonmix, temperature, setting time, shrinkage, porosity, compressive strength, split tensile strength, modulus of elasticity.
Co-Authors Ali Akbar Chrisna Djaya Mungok Crisna Djaya Mungok Endra Pramana Asmita, Endra Pramana Herwani . Jeffry, - Lingga, Andry Alim Nauly, Sondy Putra