Economic Analysis of Rubber‐Modified Asphalt Mixes

McQuillen, Jay L.; Takallou, H B; Hicks, R G; Esch, D C

doi:10.1061/(asce)0733-947x(1988)114:3(259)

Cited by 42 publications

(19 citation statements)

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“…Some studies have illustrated that although the initial cost of rubberized asphalt mixtures is higher than conventional ones, the LCCA proves that the total cost of rubberized HMA is less than conventional HMA due to a significant improvement in performance [138,139]. Based on some economic terms, such as annual equivalent costs, capital costs, and layer equivalencies, an economic analysis on the CRM asphalt mixtures used as a surface course revealed that they are more cost effective than the conventional HMA surface course mixtures [140]. Cheng and Hicks [138] investigated a comparison between the cost of rubberized and conventional HMA for different types of roads (interstate, state, and U.S. routes) and different project sizes (large and medium) using LCCA in California.…”

Section: Economic Evaluationmentioning

confidence: 99%

Sustainability Assessment of Green Asphalt Mixtures: A Review

Pouranian

Shishehbor

2019

Environments

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During recent decade, the pavement sustainability has received much attention by road agencies, companies, governments and research institutes. The aim of this paper is to introduce and evaluate the sustainability of the technologies developed or underdeveloped to address environmental issues of asphalt mixtures, and the waste materials and by-products that can be recycled and reused in asphalt production. Warm Mix Asphalt (WMA) technology, the most popular waste materials to substitute neat binder (crumb rubber modifier (CRM), recycled plastic (RP), vacuum tower bottoms (VTB)) and/or virgin aggregates (reclaimed asphalt pavement (RAP), reclaimed asphalt shingles (RAs), construction and demolition (C and D) wastes, steel and copper slags), and bio-binders were evaluated with respect to their environmental and economic benefits and engineering performance as the main components of pavement sustainability. The performance evaluation was carried out by examining rutting, moisture susceptibility, thermal and fatigue cracking resistance. Two main environmental impacts, greenhouse gas (GHG) emission, and energy consumption were considered to study the environmental effects of these technologies and materials. Additionally, the economic effect was investigated considering initial cost and long-term benefit. Results of investigation illustrated that although each individual technology and waste material is valuable in terms of performance and/or the environment, specific combinations such as WMA + RAP, WMA + CRM, RAP + CRM, and WMA + CRM + RAP lead to further benefits. Notably, these combinations suffer from a lack of comprehensive economic analysis, thus, their sustainability cannot be fully assessed and is prone to future studies.

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Section: Economic Evaluationmentioning

confidence: 99%

Sustainability Assessment of Green Asphalt Mixtures: A Review

Pouranian

Shishehbor

2019

Environments

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“…(Crane, et al, 1978 (Bernard, 1990;Biddulph, 1977 (Walsh, 1979 Typical asphalt-rubber content for gap graded mixes ranges from 8 to 9 percent (Heitzman, 1992 as the patented product, PlusRide (Bjorklund, 1979;Allen and Turgeon, 1990 (Heitzman, 1992 Esch, 1984;Lundy, et al, 1987;McQuillen, et al, 1988;Takallou and Hicks, 1988;Schnormeier, 1986;Takallou, et al, 1985;and Vallerga, 1980) and industry publications (e.g., PlusRide, 1984;Arm-R-Shield, 1986) indicate that adding CRA to asphalt paving products (as a binder or as an aggregate) improves the engineering characteristics of pavements, including the service life.…”

Section: )mentioning

confidence: 99%

“…It has been found (Ahmed, 1991) Various studies on the economics of using CRA in asphalt paving products (e.g., KDOT, 1990;McQuillen et al, 1988; NYSDOT, 1990, Heitzman, 1992) show that the products are not The asphalt paving products containing CRA are generally acceptable from an environmental viewpoint. A recent study (Rinck and Napier, 1991) indicates that the risk to paving workers associated with its use are negligible.…”

Section: )mentioning

confidence: 99%

Laboratory Study on Properties of Rubber-Soils

Ahmed¹

1993

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“…The target air void content is 2 to 4 percent (Heitzman, 1992 Various laboratory, field, and analytical studies (e.g., Esch, 1984;Lundy, et al, 1987;McQuillen, et al, 1988;Takallou and Hicks, 1988;Schnormeier, 1986;Takallou, et al, 1985; and Vallerga, 1980) and industry publications (e.g., PlusRide, 1984;Arm-R-Shield, 1986) indicate that adding CRA to asphalt paving products (as a binder or as an aggregate) improves the engineering characteristics of pavements, including the service life.…”

Section: The MIX Design For Plusride Does Not Follow Normal Marshall Ormentioning

confidence: 99%

“…It has been found (Ahmed, 1991) Various studies on the economics of using CRA in asphalt paving products (e.g., KDOT, 1990;McQuillen et al, 1988;NYSDOT, 45 1990, Heitzman, 1992 show that the products are not cost The asphalt paving products containing CRA are generally acceptable from an environmental viewpoint. A recent study (Rinck and Napier, 1991) indicates that the risk to paving workers associated with its use are negligible.…”

Section: The MIX Design For Plusride Does Not Follow Normal Marshall Ormentioning

confidence: 99%

Laboratory Study on Properties of Rubber Soils : Interim Report

Ahmed¹

1992

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This report presents the literature review and results from the compaction phase of the ongoing laboratory study. The use of shredded tires in highway construction offers technical, economic, and environmental benefits under certain conditions. The salient benefits include: reduced weight of fill; serves as good drainage medium; reduced backfill pressures; longer life, tires are practically non-destructible; and recycling large quantities of tires.Potential problems include: leachate of metals and hydrocarbons; fire risk; and large compressibility of tire chips. Information concerning stress-strain-strength behavior of tire chips for design and performance prediction of tire embankments, and long term environmental impacts of shredded tires are severely lacking.

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Economic Analysis of Rubber‐Modified Asphalt Mixes

Cited by 42 publications

References 1 publication

Sustainability Assessment of Green Asphalt Mixtures: A Review

Sustainability Assessment of Green Asphalt Mixtures: A Review

Laboratory Study on Properties of Rubber-Soils

Laboratory Study on Properties of Rubber Soils : Interim Report

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