Harmein Rahman
Program Studi Magister Teknik Sipil, Fakultas Teknik Sipil dan Lingkungan-Institut Teknologi Bandung Jl. Ganesa No. 10 Bandung 40132.

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KINERJA KELELAHAN CAMPURAN BETON ASPAL LAPIS AUS MENGGUNAKAN MATERIAL HASIL DAUR ULANG DAN POLIMER STYRENE-BUTADIENE-STYRENE Pradani, Novita; Sugeng Subagio, Bambang; Rahman, Harmein
Jurnal Transportasi Vol 11, No 3 (2011)
Publisher : Jurnal Transportasi

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Abstract

Pavement recycling technology, as an alternative technology in road pavement construction and maintenance, is continuously developed. The aim of this study is to modify recycled material by adding a polymer that is able to improvethe physical properties and performance of asphalt and recyled mixture. Asphalt mixture used in this study was Aspahlat Concrete-Wearing Course (AC-WC) containing Reclaimed Asphalt Pavement (RAP), fresh materials, asphalt Pen 60/70, and SBS polymer. The proportion of RAP used was 20% and 30% of the total weight of the mixture. For each RAP variation, asphalt Pen 60/70 was mixed with 0%, 2.5%, and 5% of SBS polymer. Fatigue performance of mixture was, then, measured using 4-Point Bending Test Apparatus. The results show that RAP asphalt has lower penetration and higher viscosity values. Fatigue test shows that the increase in the proportion of RAP will improve the fatigue resistance of the mixture.Keyword: Reclaimed Asphalt Pavement, SBS Polymer, fatigue performance.
Evaluasi Kondisi Struktural Perkerasan Lentur Menggunakan Metoda AASHTO 1993 Studi Kasus: Ruas Ciasem-Pamanukan (Pantura) Care, Frisky Ridwan A.Melania; Subagio, Bambang Sugeng; Rahman, Harmein; Kusumawati, Aine
Jurnal Teknik Sipil Vol 19, No 1 (2012)
Publisher : Institut Teknologi Bandung

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Abstract

Abstrak. Tujuan dari penelitian ini adalah untuk mengevaluasi kinerja struktural dari perkerasan lentur yang terletak di Jalan Nasional PANTURA ruas Ciasem-Pamanukan. Dalam analisis kondisi struktural data lendutan FWD (Falling Weight Deflectometer) digunakan untuk menghitung beberapa variabel dalam metoda AASHTO 1993, yaitu: nilai Modulus Resilien dari Subgrade (MR), nilai Modulus Efektif di atas tanah dasar (Ep). Kemudian perhitungan dilanjutkan dengan menggunakan data tebal perkerasan dan nilai PSI untuk mendapatkan Structural Number Original (SNO), kumulatif ESAL aktual, Structural Number Effective (SNeff), Umur Sisa Perkerasan dan Structural Number in Future (SNf). Hasil Analisis Struktural memberikan nilai Umur Sisauntuk tiap segmen dan juga rekomendasi penanganan yang diperlukan dengan menggunakan kriteria penanganan menurut Bina Marga,yaitu SNeff/SNf> 0,70. Perhitungan beban sumbu untuk kendaraan berat yang menggunakan WIM (Weight -in-Motion) data menunjukkan nilai Truck Factor yang sangat besar, contohnya : 91,54 untuk Gol.7C-3. Analisis beban sumbu secara umum juga menunjukkan bahwa kendaraan berat lebih suka menggunakan jalur cepat untuk setiap arah. Secara umum penelitian ini membuktikan bahwa Jalan Nasional PANTURA membutuhkan program pemeliharaan yang sangat intensif setiap tahun karena volume lalu lintas yang tinggi dan nilai Truck Factor yang sangat besar pada beberapa kendaraan berat.Abstract. The purpose of this research is to evaluate the structural performance of flexible pavement, located in the North Java’s National Road, i.e. Ciasem-Pamanukan Section. In the analysis of structural condition, the deflection data resulted from FWD (Falling Weight Deflectometer) was used to calculate some variables in the AASHTO-93 method, those are : the Subgrade Resilient Modulus (MR), the Effective Modulus above the Subgrade (Ep). Then the calculation was continued using the pavement thickness data and PSI value, to obtain the Original Structural Number (SNO), the actual cumulative ESAL, the Effective Structural Number (SNeff), the Remaining Life of pavement, and the Future Structural Number (SNf). The result of Structural Analysis using the AASHTO-93 method gave the Remaining Life for each section, and also recommend the treatment level needed for the same section, using the Bina Marga’s Treatment Level criteria i.e. the ratio of SNeff to SNf equal to 0.70. The calculation of axle loading for heavy vehicles, using WIM’s (Weight-in-Motion) data showed that a huge number of Truck Factor was obtained, for example : 91,54 for 7C-3 class. The axle-loading analysis showed also that is general, the heavy vehicles prefer to use the fast lane for each direction. In general, this research could justify that the National Road in North Java’s corridor always need a very intensive maintenance program every year, due to high volume of traffic, and especially a very high number of Truck Factor for some Heavy Trucks.
Analisis Pengaruh Gradasi pada Campuran Split Mastic Asphalt (SMA) yang Menggunakan Aditif ASBUTON Murni untuk Perkerasan Bandara Rahman, Harmein; Subagio, Bambang Sugeng; Widianto, Agung Hari
Jurnal Teknik Sipil Vol 19, No 2 (2012)
Publisher : Institut Teknologi Bandung

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Abstract

Abstrak. Penelitian ini dimaksudkan untuk mengetahui pengaruh gradasi pada campuran Split Mastic Asphalt (SMA) yang menggunakan Aspal Batu Buton (ASBUTON) sebagai aditif yang diharapkan mampu memperbaiki kualitas aspal dan kinerja dari campuran perkerasan runway. ASBUTON murni yang digunakan sebagai aditif diambil dari deposit Lawele. Gradasi yang digunakan dalam campuran diambil menurut peraturan British Standard yaitu D5, D12 dan D22. Pada masing masing gradasi tersebut digunakan aspal pen 60/70 yang mengandung ASBUTON sebesar 0%, 2% dan 6%. Hasil pengujian sifat fisik aspal menunjukkan bahwa nilai penetrasi semakin turun seiring dengan bertambahnya kadar ASBUTON tetapi memiliki nilai titik lembek yang semakin tinggi. Kinerja campuran hasil uji perendaman Marshall menunjukkan bahwa campuran D12 memiliki ketahanan terhadap air dan suhu yang lebih baik (IKS = 93,0%) dibandingkan dengan campuran lainnya. Dari hasil uji UMATTA pada suhu 32°C dan 45°C, sesuai peraturan FAA 2009, diperoleh dua campuran yang masuk kedalam syarat minimal yang ditetapkan yaitu D12 ASBUTON 6% dan D5 ASBUTON 6%. Secara umum, dari hasil pengujian yang dilakukan,  penggunaan ASBUTON sebagai aditif dapat dijadikan alternatif dalam struktur perkerasan aspal runway bandara, terutama pada campuran gradasi D12 dan gradasi D5 dengan ASBUTON 6%.Abstract. The objective of this research is to identify the effect of gradation type on Split Mastic Asphalt (SMA) mixtures that used Buton Rock Asphalt (ASBUTON) as additives which is expected to improve asphalt quality and performance of runway pavement mixtures. Fully extracted ASBUTON that used as additive was taken from Lawele deposit. Gradation used in this research was adopted from British Standard regulation, which are D5, D12 and D22. Pen 60/70 Bitumen with 0%, 2% dan 6% proportion of ASBUTON was used on each variation of gradation. The properties test of asphalt shown the declining of penetration value along with the increasing of ASBUTON proportion. This also follows with the increasing of Softening Point. The result of Marshall Immersion of D12 shown better resistance to water and suhue (IKS=93%) compare the others. The results of UMATTA test at 32° C and 45° C, according to FAA regulations, shown that there were two mixtures that could reach the  minimum standardized level and they were D12 with 6% ASBUTON and D5 with 6% ASBUTON. In general, all test results indicating that using fully extracted ASBUTON as additive could be an alternative for pavement structure Bitumen Material for the airport runway, especially the D12 and D5 grading with 6% ASBUTON.
KINERJA KELELAHAN CAMPURAN BETON ASPAL LAPIS AUS MENGGUNAKAN MATERIAL HASIL DAUR ULANG DAN POLIMER STYRENE-BUTADIENE-STYRENE Pradani, Novita; Sugeng Subagio, Bambang; Rahman, Harmein
Jurnal Transportasi Vol 11, No 3 (2011)
Publisher : Jurnal Transportasi

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (422.406 KB) | DOI: 10.26593/jt.v11i3.454.%p

Abstract

Pavement recycling technology, as an alternative technology in road pavement construction and maintenance, is continuously developed. The aim of this study is to modify recycled material by adding a polymer that is able to improvethe physical properties and performance of asphalt and recyled mixture. Asphalt mixture used in this study was Aspahlat Concrete-Wearing Course (AC-WC) containing Reclaimed Asphalt Pavement (RAP), fresh materials, asphalt Pen 60/70, and SBS polymer. The proportion of RAP used was 20% and 30% of the total weight of the mixture. For each RAP variation, asphalt Pen 60/70 was mixed with 0%, 2.5%, and 5% of SBS polymer. Fatigue performance of mixture was, then, measured using 4-Point Bending Test Apparatus. The results show that RAP asphalt has lower penetration and higher viscosity values. Fatigue test shows that the increase in the proportion of RAP will improve the fatigue resistance of the mixture.Keyword: Reclaimed Asphalt Pavement, SBS Polymer, fatigue performance.
CAMPURAN BERASPAL MENGGUNAKAN RECLAIMED ASPHALT PAVEMENT DAN AGREGAT SLAG BAJA Bethary, Rindu Twidi; Subagio, Bambang Sugeng; Rahman, Harmein
Jurnal Transportasi Vol 18, No 2 (2018)
Publisher : Jurnal Transportasi

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (396.265 KB) | DOI: 10.26593/jt.v18i2.3041.%p

Abstract

Abstract Material constraints and increasing demand for road construction materials have resulted in high construction costs and road rehabilitation, so alternative materials are needed, such as recycled asphalt and potential waste utilization, such as steel slags. This study is a literature study, with the aim of evaluating and controlling the performance of asphalt mixtures using Reclaimed Asphalt Pavement and steel slag, as a substitute for aggregate. The Reclaimed Asphalt Pavement material generally has aging which causes an increase in stiffness during the structural life and reduced adhesion to asphalt. This can be prevented by steel slag material, which has a rough surface and texture, so as to prevent cracks due to internal friction of the mixture. The overall use of Reclaimed Asphalt Pavement materials and steel slag can improve mixture performance and resistance to fatigue. Keywords: asphalt mixture, reclaimed asphalt pavement, steel slag, flexible pavement  Abstrak Keterbatasan material dan meningkatnya permintaan material konstruksi jalan menyebabkan tingginya biaya pembangunan maupun rehabilitas jalan, sehingga diperlukan material alternatif, seperti daur ulang aspal dan pemanfaatan potensi limbah, seperti slag baja. Penelitian ini merupakan suatu kajian literatur, dengan tujuan melakukan evaluasi dan pengendalian kinerja campuran beraspal yang menggunakan Reclaimed Pavement Asphalt (RAP) dan slag baja sebagai bahan pengganti agregat. Material RAP umumnya telah mengalami penuaan yang menyebabkan peningkatan kekakuan selama umur struktur dan sifat adhesi terhadap aspal berkurang. Hal ini dapat dicegah oleh material slag baja, yang memiliki permukaan dan tekstur yang kasar, sehingga dapat mencegah terjadinya retak akibat gesekan internal campuran. Penggunaaan material RAP dan slag baja secara keseluruhan dapat meningkatkan kinerja campuran dan ketahanan terhadap kelelahan. Kata-kata kunci: campuran beraspal, reclaimed pavement asphalt, slag baja, perkerasan lentur
Kinerja Modulus Resilien dan Deformasi Permanen Dari Campuran Lataston Gradasi Senjang (HRS-WC) Dengan Bahan Aspal Modifikasi Starbit E-55 Sinuhaji, Christ Andy Vic; Subagio, Bambang Sugeng; Rahman, Harmein
Jurnal Teknik Sipil Vol 25, No 2 (2018)
Publisher : Institut Teknologi Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1859.014 KB) | DOI: 10.5614/jts.2018.25.2.8

Abstract

AbstrakKriteria kerusakan dalam suatu perkerasan lentur adalah retak lelah dan deformasi permanen. Deformasi dapat terjadi pada lapisan subgrade maupun lapisan beraspal. Deformasi pada lapisan beraspal terjadi akibat beban berlebih dan temperatur perkerasan tinggi. Penambahan polimer merupakan salah satu cara dalam memodifikasi aspal guna memperbaiki sifat reologi aspal. Penggunaan aspal modifikasi diharapkan dapat menberikan kinerja perkerasan yang lebih baik. Studi ini bertujuan untuk mengetahui kinerja Lataston lapis aus gradasi senjang dengan menggunakan aspal modifikasi Starbit E-55, dengan metoda pengujian eksperimental di laboratorium. Nilai Modulus Resilien dan ketahanan terhadap deformasi permanen menjadi indikator kinerja dari kedua jenis campuran. Hasil pengujian laboratorium memberikan nilai Modulus Resilien yang lebih besar dibandingkan hasil perhitungan teoritis, serta menunjukkan adanya peningkatan nilai Modulus Resilien dari campuran beraspal yang menggunakan aspal modifikasi Starbit E-55 dibandingkan aspal Pen 60/70. Peningkatan ini terjadi pada seluruh temperatur pengujian, yaitu sebesar 10%, 6% dan 37,5%. Hasil pengujian Wheel Tracking menunjukkan campuran aspal modifikasi Starbit E-55 memiliki ketahanan terhadap deformasi yang lebih baik dibandingkan aspal Pen 60/70, ditinjau dari nilai total deformasi, Stabilitas Dinamis dan Laju Deformasi. Untuk hasil pengujian pada temperatur 60℃, total deformasi yang terjadi pada kedua jenis campuran Lataston lapis aus gradasi senjang menunjukkan bahwa kurva alur telah mencapai tahap ketiga, dimana campuran telah mengalami kegagalan.AbstractFailure criteria in a flexible pavement are fatigue and permanent deformation. Deformation may occur in both subgrade and asphalt layer. Generally, deformation that occurs in the asphalt layer is caused by overload and high pavement temperature. Addition of polymers is one of several solution to improve asphaltic rheological properties. Using polymer modified bitumen is expected to improve pavement performance. This aim of the study is to observe the performance of gap graded Hot Rolled Sheet Wearing Course (HRS-WC) by using polymer modified asphalt Starbit E-55, with experimental testing method in laboratory. Resilient modulus and resistance to permanent deformation become the performance indicators of both mixed types. The results of the laboratory test provide a greater value of resilient modulus than the results of theoretical calculations, and also showed an increase in resilient modulus value of asphalt mixture using polymer modified asphalt Starbit E-55 than asphalt Pen 60/70. This increase occurs at all temperatures, which is 10%, 6% and 37,5%. Result of Wheel Tracking Test showed that asphalt mixture using polymer modified asphalt Starbit E-55 have a greater resistance to permanent deformation than asphalt Pen 60/70, in terms of the total deformation value, dynamic stability and rate of deformation. For 60°C test temperature, total deformation occurring in both mixed types of gap graded Hot Rolled Sheet Wearing Course showed that rutting curve has reached the tertiary stage, where asphalt mixtures has failed.