Some viscous and elastic properties of rubberised bitumens

Smith, Lee M.

doi:10.1002/jctb.5010100706

Cited by 8 publications

(2 citation statements)

References 4 publications

(1 reference statement)

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“…Lateks memiliki kelebihan lebih mudah untuk bercampur dengan aspal panas jika dibandingkan dengan karet padat. Selain itu, lateks dipilih sebagai aditif dalam pencampuran dengan aspal karena mampu menghasilkan produk yang lebih efisien bila dibandingkan dengan bentuk dan jenis karet lain dalam jumlah yang sama (Smith, 1960).…”

Section: Getah Karetunclassified

Perubahan Karakteristik Aspal Pen 60/70 dengan Substitusi Getah Karet Alam Pangkalan Balai, Sumatera Selatan

Widianto¹,

Faishal²

2021

RekaRacana

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ABSTRAKBerdasarkan data Produksi Karet di Indonesia terdapat peningkatan rata-rata 1,5% pada tahun 2015-2020, dimana produksi karet terbesar adalah Provinsi Sumatera Selatan yaitu 28,77%. Dengan peningkatan dan upaya pemanfaatannya maka dilakukan penelitian substitusi getah karet ke aspal. Getah karet yang digunakan adalah berbentuk padat dan berasal dari Pangkalan Balai, Sumatera Selatan. Penelitian ini bertujuan untuk mengkaji karakteristik aspal pen 60/70 disubstitusi dengan kadar getah karet alam 0%, 2,5%, 5%, dan 7,5%. Pengujian mengacu pada SE Menteri PUPR No 04/SE/M/2019. Hasil pengujian menunjukan nilai penetrasi, daktilitas, berat jenis, viskositas 135°C, kelarutan dalam TCE, TFOT, serta penetrasi dan daktilitas setelah kehilangan berat mengalami penurunan dengan ditambahnya kadar getah karet. Sedangkan nilai titik lembek, titik nyala, dan kehilangan berat mengalami peningkatan. Hal ini menunjukkan bahwa karakteristik aspal menjadi lebih keras dan diindikasi tahan terhadap deformasi tetapi rentan terhadap retak. Dari nilai pengujian disimpulkan bahwa kadar getah karet alam 5% memenuhi spesifikasi aspal modifikasi.Kata kunci: getah karet alam, aspal pen 60/70, aspal modifikasi ABSTRACTBased on Rubber Production data in Indonesia, there has been an average increasing of 1.5% for 2016-2020, where the largest production of rubber is South Sumatra Province, which is 28.77%. With the improvement and utilization efforts, research was carried out on mixing rubber sap into asphalt. The rubber sap that has been used is solid and comes from Pangkalan Balai, South Sumatra. This study aims to examine the characteristics of 60/70 pen asphalt substituted with natural rubber latex levels of 0%, 2.5%, 5%, and 7.5%. The test refers to SE Menteri PUPR No 04/SE/M/2019. The test results have shown the value of penetration, ductility, specific gravity, viscosity of 135° C, solubility in TCE, TFOT, penetration and ductility after weight loss has decreased with the addition of rubber sap content. Meanwhile, the values for softening point, flash point, and weight loss increased. This indicates that the characteristics of the asphalt become tougher and indicate that it is resistant to deformation but is prone to cracking. Judging from the test value, it can be concluded that the 5% natural rubber latex content meets the specifications of asphalt modification.Keywords: natural rubber, asphalt pen 60/70, asphalt modification

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Section: Getah Karetunclassified

Perubahan Karakteristik Aspal Pen 60/70 dengan Substitusi Getah Karet Alam Pangkalan Balai, Sumatera Selatan

Widianto¹,

Faishal²

2021

RekaRacana

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“…The properties of these types of rubbers may differ considerably from natural rubber and among themselves. Natural rubber latex was selected for mixing with asphalt materials because mixing with natural rubber latex provide the most efficient product compared with other form of rubber in equal quantity [5]. The changing properties in viscous, elastic and brittle were considered.…”

Section: Introductionmentioning

confidence: 99%

Investigations of Rubber Dipping by-Product on Bitumen Properties

Hainin

Warid

Izzul

et al. 2014

AMR

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Nowadays, there are a lot of damaged of road pavement and it become a very serious issue in Malaysia. To minimise the damage of pavement surface and increase durability of flexible pavement, the conventional bitumen needs to be improved with regards to performance related properties. Thus, this study is to investigate the effect of rubber dipping by-product (RDP) on bitumen properties. In order to achieve this aim, the objectives of this study are; i) to determine of non-modified bitumen and the effect of added RDP in different concentration on bitumen properties; and ii) to compare non-modified bitumen and RDP modified bitumen in terms of physical properties. RDP is waste material from natural rubber industrial and it is in solid forms. Bitumen grade 80/100 PEN was used in this study. Laboratory tests were penetration, softening point, viscosity, rolling thin film oven (RTFO) and pressure aging vessel (PAV) tests. The findings show that addition of RDP causes the modified bitumen harder than before, indicate higher temperature susceptibility and increased viscosity properties. From the study stated that the suggested proportion of RDP to be mixed with bitumen is 10 percent by total weight.

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Reinhard¹

1969

Dispersionen Synthetischer Hochpolymerer

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Some viscous and elastic properties of rubberised bitumens

Cited by 8 publications

References 4 publications

Perubahan Karakteristik Aspal Pen 60/70 dengan Substitusi Getah Karet Alam Pangkalan Balai, Sumatera Selatan

Perubahan Karakteristik Aspal Pen 60/70 dengan Substitusi Getah Karet Alam Pangkalan Balai, Sumatera Selatan

Investigations of Rubber Dipping by-Product on Bitumen Properties

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