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Anni Susilowati
Politeknik Negeri Jakarta
Aerospace Engineering Humanities Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Earth & Planetary Sciences Education Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Transportation Other

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VARIASI JUMLAH TUMBUKAN PADA PEMADATAN CAMPURAN BETON ASPAL MENGGUNAKAN BAHAN TAMBAH ANTI STRIPPING Wiyono, Eko; Susilowati, Anni
Construction and Material Journal Vol 2, No 1 (2020): CONSTRUCTION AND MATERIAL JOURNAL VOL. 2 NO. 1 MARET 2020
Publisher : Politeknik Negeri Jakarta

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Abstract

AbstractThe objectives of the research were to obtain the Marshall properties of asphalt concrete mixture mixed with variations of manual compact collisions and to determine the optimum number of compactions collisions in the asphalt concrete mixture using anti stripping additives. The independent variables in this research are variation of the number of compaction collisions of asphalt concrete as many as 2x50, 2x75, 2x100, 2x125 and 2x150, with optimum asphalt content of 6%, and Wetfix Be 0,3% to optimum asphalt content. Marshall test method used in this research was based on SNI 06-2489-1991. The dependent variables (research parameters) included percent of cavities in the aggregate (VMA), percent of cavities in the mix, percent of cavities filled in asphalt (VFB), percent of cavity to mix (VIM), stability, melting, and Marshall Quotient. The result showed that the optimum number of compactions of asphalt concrete was 2x100 with Marshall properties value fulfilling SNI 8198-2015 specification. In Asphalt concrete mixture with optimum asphalt content (KAO) of 6%, Wetfix Be level of 0,3%, optimum number of compactions of 2X100, could be obtained by Aggregate (VMA) cavity 17.50%; Asphalt filled cavity (VFB) 76.50%; Cavity to Mixture (VIM) 4,00%; Stability of 1800.00 kg; Melting of 3.75 mm; and Marshall Quontient 500.00 kg/mmKeywords: Anti Stripping, Collision, Compaction, Wetfix BeAbstrakTujuan penelitian untuk mendapatkan nilai properties Marshall campuran beton aspal dengan berbagai variasi jumlah tumbukan pemadatan dan menentukan jumlah tumbukan pemadatan yang optimum pada campuran beton aspal dengan menggunakan bahan tambah anti stripping. Variabel bebas pada penelitian ini adalah variasi jumlah tumbukan pada pemadatan pembuatan beton aspal  sebanyak 2x50, 2x75, 2x100, 2x125 dan 2x150, dengan Kadar Aspal Optimum 6%, dan Wetfix Be 0,3% terhadap kadar aspal optimum. Metode pengujian Marshall berdasarkan SNI 06-2489-1991. Variabel terikat (parameter penelitian) meliputi persen rongga dalam agregat (VMA), persen rongga dalam campuran, persen rongga terisi aspal (VFB), persen rongga terhadap campuran (VIM), stabilitas, kelelehan, Marshall Quotient. Hasil penelitian didapat jumlah tumbukan pada pemadatan beton aspal yang optimum sebesar 2x100 dengan nilai properties Marshall memenuhi spesifikasi SNI 8198-2015. Campuran beton aspal dengan Kadar Aspal Optimum (KAO) 6%, kadar Wetfix Be sebesar 0,3%, Jumlah Tumbukan Optimum 2X100, diperoleh Rongga terhadap Agregat (VMA) 17,50%; Rongga Terisi Aspal (VFB) 76,50%; Rongga terhadap Campuran (VIM) 4,00%; Stabilitas 1800,00 kg; Kelelehan 3,75 mm; dan Marshall Quontient 500,00 kg/mmKata kunci: Anti Stripping, Tumbukan, Pemadatan, Wetfix  Be
VARIASI SUHU PEMADATAN PADA CAMPURAN BETON ASPAL MENGGUNAKAN BAHAN TAMBAH ANTI STRIPPING Susilowati, Anni; Wiyono, Eko
Construction and Material Journal Vol 1, No 1 (2019): Construction and Material Journal Vol. 1 No. 1 Maret 2019
Publisher : Politeknik Negeri Jakarta

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Abstract

Suhu pemadatan merupakan faktor yang sangat penting dalam proses pemadatan karena mempengaruhi tingkat kepadatan campuran beton aspal. Penelitian ini menggunakan bahan aditif Wetfix Be, yang merupakan bahan kimia anti stripping  berguna untuk meningkatkan ikatan dan menstabilkan campuran antara agregat dan aspal terutama pada musim hujan. Tujuan penelitian untuk mendapatkan nilai properties Marshall dengan berbagai variasi suhu pemadatan dan menentukan suhu pemadatan yang optimum pada campuran beton aspal dengan menggunakan bahan tambah anti stripping. Variabel bebas pada penelitian ini adalah variasi suhu pemadatan pada pembuatan beton aspal  yaitu 700C, 900C, 1100C, 1300C, dan 1500C, dengan Kadar Aspal Optimum (KAO) 0,6%, dan Wetfix Be 0,3% terhadap kadar aspal optimum. Metode pengujian menggunakan Marshall berdasarkan SNI 06-2489-1991. Hasil penelitian menunjukkan bahwa penambahan suhu pemadatan pada aspal beton dapat meningkatkan nilai kepadatan, % Rongga Terisi Aspal, Stabilitas, dan Marshall Quotient serta menurunkan  % rongga di antara agregat, % rongga dalam campuran dan kelelehan. Didapat rentang Suhu pemadatan yang masih memenuhi parameter Marshall pada suhu 120°C sampai dengan 160°C. Adapun nilai suhu optimum pemadatan untuk campuran beton aspal yang sebesar 140°C, dengan nilai VMA 18,10%, VFB 73,09%, VIM 4,88 %, Stabilitas 1228,28 kg, kelelehan 3,93 mm dan MQ 362,14 kg/mm, memenuhi spesifikasi Bina Marga 2010.Kata kunci: Anti Stripping, Suhu, Pemadatan, Wetfix BeCompaction temperature is a very important factor in the compaction process because it affects the density level of asphalt concrete mixtures. This research uses Wetfix Be additive material, which is an anti-stripping chemical which is useful to increase bonding and stabilize the mixture between aggregates and asphalt, especially in rainy seasons. The aim of the study was to obtain Marshall properties with compaction temperature variations and determine the optimum compaction temperature in asphalt concrete mixtures using added anti-stripping materials. The independent variable in this study is the compaction temperature variations in asphalt concrete manufacturing is 70°C, 90°C, 110°C, 130°C, and 1500C with optimum asphalt content (OAC) of 6%, and Wetfix Be of 0.3% against optimum asphalt content. Testing method using Marshall based on SNI 06-2489-1991. The results showed that the addition of the compaction temperature on concrete asphalt could increase the density value, percentage of the voids filled with asphalt, stability, and Marshall quotient; and reduce the voids in the mineral aggregates, % voids in the mixture and flow. The compaction temperature range obtained which still meets Marshall Parameters was from 120°C to 160°C. The optimum compaction temperature value for asphalt concrete mixtures were 140 ° C, with VMA values of 18.10%, VFB 73.09%, VIM 4.88%, stability of 1228.28 kg, flowing of 3.93 mm and MQ of 362,14 kg/mm which meet the specifications of Bina Marga 2010.Keywords: Anti-Stripping, Compaction Temperature, Wetfix Be
VARIASI SUHU PEMADATAN PADA CAMPURAN BETON ASPAL MENGGUNAKAN BAHAN TAMBAH ANTI STRIPPING Anni Susilowati; Eko Wiyono
Construction and Material Journal Vol. 1 No. 1 (2019): Construction and Material Journal Vol. 1 No. 1 Maret 2019
Publisher : Politeknik Negeri Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32722/cmj.v1i1.1324

Abstract

Suhu pemadatan merupakan faktor yang sangat penting dalam proses pemadatan karena mempengaruhi tingkat kepadatan campuran beton aspal. Penelitian ini menggunakan bahan aditif Wetfix Be, yang merupakan bahan kimia anti stripping  berguna untuk meningkatkan ikatan dan menstabilkan campuran antara agregat dan aspal terutama pada musim hujan. Tujuan penelitian untuk mendapatkan nilai properties Marshall dengan berbagai variasi suhu pemadatan dan menentukan suhu pemadatan yang optimum pada campuran beton aspal dengan menggunakan bahan tambah anti stripping. Variabel bebas pada penelitian ini adalah variasi suhu pemadatan pada pembuatan beton aspal  yaitu 700C, 900C, 1100C, 1300C, dan 1500C, dengan Kadar Aspal Optimum (KAO) 0,6%, dan Wetfix Be 0,3% terhadap kadar aspal optimum. Metode pengujian menggunakan Marshall berdasarkan SNI 06-2489-1991. Hasil penelitian menunjukkan bahwa penambahan suhu pemadatan pada aspal beton dapat meningkatkan nilai kepadatan, % Rongga Terisi Aspal, Stabilitas, dan Marshall Quotient serta menurunkan  % rongga di antara agregat, % rongga dalam campuran dan kelelehan. Didapat rentang Suhu pemadatan yang masih memenuhi parameter Marshall pada suhu 120°C sampai dengan 160°C. Adapun nilai suhu optimum pemadatan untuk campuran beton aspal yang sebesar 140°C, dengan nilai VMA 18,10%, VFB 73,09%, VIM 4,88 %, Stabilitas 1228,28 kg, kelelehan 3,93 mm dan MQ 362,14 kg/mm, memenuhi spesifikasi Bina Marga 2010.Kata kunci: Anti Stripping, Suhu, Pemadatan, Wetfix BeCompaction temperature is a very important factor in the compaction process because it affects the density level of asphalt concrete mixtures. This research uses Wetfix Be additive material, which is an anti-stripping chemical which is useful to increase bonding and stabilize the mixture between aggregates and asphalt, especially in rainy seasons. The aim of the study was to obtain Marshall properties with compaction temperature variations and determine the optimum compaction temperature in asphalt concrete mixtures using added anti-stripping materials. The independent variable in this study is the compaction temperature variations in asphalt concrete manufacturing is 70°C, 90°C, 110°C, 130°C, and 1500C with optimum asphalt content (OAC) of 6%, and Wetfix Be of 0.3% against optimum asphalt content. Testing method using Marshall based on SNI 06-2489-1991. The results showed that the addition of the compaction temperature on concrete asphalt could increase the density value, percentage of the voids filled with asphalt, stability, and Marshall quotient; and reduce the voids in the mineral aggregates, % voids in the mixture and flow. The compaction temperature range obtained which still meets Marshall Parameters was from 120°C to 160°C. The optimum compaction temperature value for asphalt concrete mixtures were 140 ° C, with VMA values of 18.10%, VFB 73.09%, VIM 4.88%, stability of 1228.28 kg, flowing of 3.93 mm and MQ of 362,14 kg/mm which meet the specifications of Bina Marga 2010.Keywords: Anti-Stripping, Compaction Temperature, Wetfix Be
VARIASI JUMLAH TUMBUKAN PADA PEMADATAN CAMPURAN BETON ASPAL MENGGUNAKAN BAHAN TAMBAH ANTI STRIPPING Eko Wiyono; Anni Susilowati
Construction and Material Journal Vol. 2 No. 1 (2020): Construction and Material Journal Vol. 2 No. 1 Maret 2020
Publisher : Politeknik Negeri Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32722/cmj.v2i1.2755

Abstract

The objectives of the research were to obtain the Marshall properties of asphalt concrete mixture mixed with variations of manual compact collisions and to determine the optimum number of compactions collisions in the asphalt concrete mixture using anti stripping additives. The independent variables in this research are variation of the number of compaction collisions of asphalt concrete as many as 2x50, 2x75, 2x100, 2x125 and 2x150, with optimum asphalt content of 6%, and Wetfix Be 0,3% to optimum asphalt content. Marshall test method used in this research was based on SNI 06-2489-1991. The dependent variables (research parameters) included percent of cavities in the aggregate (VMA), percent of cavities in the mix, percent of cavities filled in asphalt (VFB), percent of cavity to mix (VIM), stability, melting, and Marshall Quotient. The result showed that the optimum number of compactions of asphalt concrete was 2x100 with Marshall properties value fulfilling SNI 8198-2015 specification. In Asphalt concrete mixture with optimum asphalt content (KAO) of 6%, Wetfix Be level of 0,3%, optimum number of compactions of 2X100, could be obtained by Aggregate (VMA) cavity 17.50%; Asphalt filled cavity (VFB) 76.50%; Cavity to Mixture (VIM) 4,00%; Stability of 1800.00 kg; Melting of 3.75 mm; and Marshall Quontient 500.00 kg/mm Keywords: Anti Stripping, Collision, Compaction, Wetfix Be.
PEMBERHENTIAN PENGECORAN BETON UNTUK PEKERJAAN KONSTRUKSI LENTUR BERDASARKAN SNI 2847-2019 Pratikto, Pratikto; Susilowati, Anni; Gym Wijaya, Abdira
Construction and Material Journal Vol. 6 No. 2 (2024): Construction and Material Journal Vol. 6 No. 2 November 2024
Publisher : Politeknik Negeri Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32722/cmj.v6i2.7294

Abstract

The presence of construction joints is an inevitable aspect of field concrete casting. These joints occur when fresh concrete is poured over hardened concrete, which can impact the strength and integrity of the concrete structure. This study aims to evaluate the placement of concrete joints according to SNI 2847-2019, which recommends placing them at one-third of the span of the beam. Testing was conducted on unreinforced concrete beams with two different joint locations. The concrete used had a water-cement ratio (w/c) of 0.5 and a maximum aggregate size of 25 mm, with the mix design following SNI 7656-2012. The test results indicate that joints placed at one-third of the span exhibit better flexural strength compared to those located at the span's ends. The average flexural strengths of beams without joints, those with joints at one-third of the span, and those with joints at one-third of the end span are 1.95 MPa, 1.56 MPa, and 0.98 MPa, respectively. These findings support the SNI 2847-2019 recommendation for placing concrete joints at one-third of the span of the beam.
STUDI EKSPERIMENTAL PENGARUH GGBFS DAN SUPERPLASTICIZER TERHADAP KUAT TEKAN DAN MODULUS ELASTISITAS BETON Susilowati, Anni; Pratikto, Pratikto; Hakim, Haudiah; Raden Bagus Anggietantyo Akiranda
Construction and Material Journal Vol. 7 No. 2 (2025): Construction and Material Journal Vol. 7 No. 2 Oktober 2025
Publisher : Politeknik Negeri Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32722/cmj.v7i2.7749

Abstract

The use of alternative materials in concrete mixtures is an important effort to improve concrete performance while reducing dependence on cement. This study aims to investigate the effect of adding Ground Granulated Blast Furnace Slag (GGBFS) as a partial substitute for cement on the properties of concrete, both in fresh and hardened conditions, using a constant dosage of type F superplasticizer at 1% of the cement weight. The GGBFS replacement levels used in this study were 0%, 20%, 30%, and 40%. The tests conducted included slump, unit weight, initial setting time, compressive strength, splitting tensile strength, flexural strength, and modulus of elasticity. The results showed that the use of GGBFS significantly affected compressive strength and splitting tensile strength, with optimum results achieved at the 20% replacement level. In contrast, other properties such as flexural strength and unit weight were not significantly influenced. Therefore, GGBFS can be considered an effective supplementary material in concrete mixtures when used at an appropriate dosage.
Co-Authors Ananda Chaerul Imam Dennis Yudha Praditya Diana Putri Eko Wiyono Eko Wiyono Eko Wiyono Eko Wiyono Fawwaz Nabhan Gym Wijaya, Abdira Hakim, Haudiah HERI SUSANTO Imron Tsaluji Iqbal Yusra Irfan Oktariadi Oktariadi Kusno Wijayanto Mochammad Sholeh Muhammad Andika Ghifary Praktiko, Praktiko Pratikto Pratikto Pratikto Pratikto Pratikto Pratikto _ Raden Bagus Anggietantyo Akiranda Rizal, Rikki Sofyan Rudolf Triamba Prasetyo Satria, Kevin Muhammad Serin Ginting Tsana Oktaviana Yelvi