Buton Asphalt Indonesia. About Us : PT. Bai is specializing in the production of processed natural-rock-asphalt by manufacturing premium Bitumen Modifier / Additive for hot and cold mix asphalt with superior performance against all PT. Buton Asphalt Indonesia ather conditions. Product/Service : Asphalt, Modifier, Bitumen, Additive, Gilsonite ...

The performance and modification mechanism of Buton rock asphalt (BRA) modified asphalt were analyzed. The road performance of modified asphalt was observed and compared …

 · To improve the low-temperature performance of the Buton rock asphalt (BRA)-modified asphalt, styrene-butadiene rubber (SBR) was added to it. The BRA-modified asphalt and SBR-BRA composite modified asphalt were prepared by high-speed shearing method. The penetration, softening point, ductility, and Brookfield viscosity of the two …

To reveal the modification mechanism of Buton rock asphalt (BRA), limestone mineral (LM), and pure natural asphalt (NA) which are the two major components of BRA were obtained using extraction and combustion methods. Then a series of physicochemical and performance experiments were conducted to analyze the properties of BRA, LM, NA, and …

Buton Rock Asphalt acts a asphalt additive to imporve durability of hot mix pavements, which translates to better cost efficiency over the lifecycle of the pavement. Buton …

 · The "wet process" was used to prepare the Buton rock asphalt-modified asphalt binder, and the high-temperature performance and aging resistance were significantly improved. The modified asphalt prepared by mixing 30% rock asphalt shows the optimum balance between service performance and segregation.

In order to investigate the effect of proportion of buton rock asphalt on the performance of modified asphalt mixture with wet method,Penetration 70 Grade A petroleum asphalt was used as base asphalt for preparing the modified asphalt binder containing rock asphalt up to 40% of the base asphalt. Limestone aggregate was used in designing the ...

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 · Optimization with GA-ANN can further promote the recycling of both bio-oil and Buton rock asphalt, save energy, and lead to a greener construction material. This study can serve as a solid base ...

 · To improve the low-temperature performance of the Buton rock asphalt (BRA)-modified asphalt, styrene-butadiene rubber (SBR) was added to it. The BRA-modified asphalt and SBR-BRA composite modified asphalt were prepared by high-speed shearing method. The penetration, softening point, ductility, and B …

 · The main objective of this research was to assess the effect of granular Buton Rock Asphalt (BRA) modifier binder on the fatigue life of asphalt mixtures. This involved the laboratory evaluation of fatigue strength on four-point bending equipment under repeated flexural bending test in accordance with Austroads AG: PT/T233. The beam test under …

The huge deposit of Buton Rock Asphalt (BRA) in Lawele of Buton Island, Indonesia, has not been utilized optimally. The less optimal usage was due to lack of knowledge on its characteristics. It is expected that there will be a shortage in petroleum bitumen, due to high price or limited sources of petroleum in the future. In this research, the bitumen used was …

 · The performance and modification mechanism of Buton rock asphalt (BRA) modified asphalt were analyzed. The road performance of modified asphalt was observed and compared with SBS modified asphalt to confirm the modification mechanism. Four‐component test, and dynamic shear rheological tests were conducted to identify the …

The "wet process" was used to prepare the Buton rock asphalt-modified asphalt binder, and the high-temperature performance and aging resistance were significantly improved. The modified asphalt prepared by mixing 30% rock asphalt shows the optimum balance between service performance and segregation. The on-site full-scale application of the ...

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 · The Buton rock asphalt ash is obtained by burning the Buton rock asphalt at a high temperature. Its main component is CaCO 3, and its decomposition temperature is 825–896.6 °C, and the melting point is 1339 °C. To ensure that the microstructure of the Buton rock asphalt is not resolved, the muffle furnace's combustion temperature is set ...

Buton Rock Asphalt, as a natural asphalt modifier, can be easily dissolved in matrix bitumen, which improves high temperature performance water stability performance and anti-aging performance of asphalt mixture greatly, and lead to the simple production process and easy promotion. However dry mixing process is taken into use in practice which means...

Using the Liaohe-90# as the base asphalt, a modified asphalt mixture is prepared by the Buton rock asphalt. The pavement performance which includes high temperature stability, low temperature anti-cracking and water stability are studied through the rutting test, dynamic creep test, immersion Marshall test, freeze-thaw splitting test, small beam …

 · In this paper, two types of Styrene-Butadiene-Rubber (SBR) were adopted to modify the Buton-rock asphalt (BRA) modified asphalt, aiming to select a binder with excellent comprehensive performances. Powder SBR and latex SBR (0%, 2%, 4%, 6%, and 8%), were mixed with the 15 w% BRA modified asphalt. The characterization of …

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 · Buton Rock Asphalt (BRA) is a type of natural asphalt found on the island of Buton. Its utilization needs to be increased to reduce the increasing demand for oil …

 · The main objective of this research was to assess the effect of granular Buton Rock Asphalt (BRA) modifier binder on the fatigue life of asphalt mixtures. This involved …

：. This paper investigates the relationship between the microstructure and the performance of Buton Rock Asphalt (BRA). The investigation is conducted using surface free energy and an infrared spectrum analysis. Conventional experiments are carried out on BRA mixtures. The results reveal those high-temperature performances and BRA ...

 · Abstract. To improve the low-temperature performance of the Buton rock asphalt (BRA)-modified asphalt, styrene-butadiene rubber (SBR) was added to it. The BRA …

 · The Buton rock asphalt (BRA) is produced in Buton Island and southeast of Rawai Island, Indonesia. Table 2 shows the characteristics of the BRA. To evenly …

 · Buton rock asphalt (BRA) is a type of natural asphalt found in Buton Island, located at southeast of Sulawesi Island of Indonesia. Because of different situations during its sedimentation process, the content of bitumen in the rock varies. The BRA used in this study contained about 20 % of bitumen by weight, with loose, black fine particles.