Evaluating Snow and Ice Control Chemicals for Environmentally Sustainable Highway Maintenance Operations

Shi, Xianming; Jungwirth, Scott; Akin, Michelle; Wright, Ron; Fay, Laura; Veneziano, David; Zhang, Yan; Gong, Jing; Ye, Zhirui

doi:10.1061/(asce)te.1943-5436.0000709

Cited by 33 publications

(10 citation statements)

References 20 publications

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“…A complementary benefit of implementing these practices is that reduced use of salt may also help minimize corrosion to infrastructure, including equipment used by contractors during winter maintenance and in some cases municipal infrastructure such as bridges ( 48 , 57 – 59 ). In addition, reducing the amount of chlorides used may decrease equipment and corrosion-related maintenance costs for private contractors, automobile owners, and communities.…”

Section: Resultsmentioning

confidence: 99%

Review of Reduced Salt, Snow, and Ice Management Practices for Commercial Businesses

Sparacino

Stepenuck

Gould

et al. 2021

Transportation Research Record: Journal of the Transportation R

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Chlorides (frequently sodium chloride) are used to improve safety and access to roads and other surfaces in winter. However, chlorides also pose risks to aquatic life and raises human health concerns as they move to surface waterbodies and infiltrate groundwater. In response, many government bodies have adopted winter maintenance best management practices (BMPs) that reduce the amount of chlorides used while providing service and safety. Commercial businesses maintaining parking lots, driveways, and other surfaces have been shown to contribute as much as 50% of the chloride loads to local waterbodies in some areas, but less is known about the potential benefits of private contractors to implement similar BMPs. In addition, many existing resources on the topic are designed for municipal audiences, creating a knowledge gap about the feasibility of private companies to adopt these practices. The authors identified 14 BMPs common to municipal plans with the potential to be adopted by private contractors through a literature review. These practices aim to increase the efficiency of salt applications, and/or decrease environmental impacts while delivering a similar level of service and cost over time. The authors considered potential barriers and benefits to private contractors adopting and using these BMPs. Benefits included reduced liability (e.g., risk of lawsuits), costs, environmental impacts, and improved service. Barriers included additional staff time and training, increased materials, equipment, and maintenance costs. Additional research is needed to ground-truth these predicted motivations and barriers; a greater understanding of private contractor behaviors can enhance educational efforts that promote reduced salt practices.

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Section: Resultsmentioning

confidence: 99%

Review of Reduced Salt, Snow, and Ice Management Practices for Commercial Businesses

Sparacino

Stepenuck

Gould

et al. 2021

Transportation Research Record: Journal of the Transportation R

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“…The DSC was set to run liquid samples, from -60°C to 25°C with heating rate 2°C/min. More results are presented in Shi et al 2014.…”

Section: Dscmentioning

confidence: 99%

The Effect of Additives on the Low Temperature Ice-Melting Capacity of NaCl

Nilssen

Klein-Paste

Wå̊hlin

2018

Transportation Research Record: Journal of the Transportation R

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Cold climates cause a great number of challenges when it comes to maintaining road conditions. For instance, snowstorms, frost and ice can all create slippery and even impassible roads. Therefore, in order to ensure vehicular mobility and general road safety, winter road maintenance requires the use of plowing and applying sand or various chemicals. Regarding the latter method, chemicals are applied to weaken bonds in snow and ice, melt snow and ice or prevent ice from forming on the road. A deicing chemical must thus comprise several important elements, one very important element being its ability to melt snow and ice, which is also called its ice melting capacity.

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“…Larger particles are less studied, however, and they can also hold fine dust particles on their surfaces due to electrostatic charge. Solid material from non-exhaust emissions as well as coarse material from roadway destruction, pavement abrasion, and vehicle parts are less studied [31,34]. Such loose material may be as well transferred by the wind several tens of meters away from the roadway.…”

Section: Introductionmentioning

confidence: 99%

Coarse Technogenic Material in Urban Surface Deposited Sediments (USDS)

et al. 2021

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In the current paper, the analysis of heavy mineral concentrate (Schlich analysis) was used to study the particles of technogenic origin in the samples of urban surface-deposited sediments (USDS). The USDS samples were collected in the residential areas of 10 Russian cities located in different economic, climatic, and geological zones: Ufa, Perm, Tyumen, Chelyabinsk, Nizhny Tagil, Magnitogorsk, Nizhny Novgorod, Rostov-on-Don, Murmansk, and Ekaterinburg. The number of technogenic particles was determined in the coarse particle size fractions of 0.1–0.25 and 0.25–1 mm. The types of technogenic particle were studied by scanning electron microscopy (SEM) analysis. The amount of technogenic material differed from city to city; the fraction of technogenic particles in the samples varied in the range from 0.01 to 0.43 with an average value of 0.18. The technogenic particles in USDS samples were represented by lithoid and granulated slag, iron and silicate microspheres, fragments of brick, paint, glass, plaster, and other household waste. Various types of technogenic particle differed in morphological characteristics as well as in chemical composition. The novelty and significance of the study comprises the following: it has been shown that technogenic particles are contained in a significant part of the USDS; the quantitative indicators of the accumulation of technogenic particles in the urban landscape have been determined; the contributions of various types of particles to the total amount of technogenic material were estimated for the urban landscape; the trends in the transformation of typomorphic elemental associations in the urban sediments associated with the material of technogenic origin were demonstrated; and the alteration trends in the USDS microelemental content were revealed, taking into account the impurities in the composition of technogenic particles.

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Evaluating Snow and Ice Control Chemicals for Environmentally Sustainable Highway Maintenance Operations

Cited by 33 publications

References 20 publications

Review of Reduced Salt, Snow, and Ice Management Practices for Commercial Businesses

Review of Reduced Salt, Snow, and Ice Management Practices for Commercial Businesses

The Effect of Additives on the Low Temperature Ice-Melting Capacity of NaCl

Coarse Technogenic Material in Urban Surface Deposited Sediments (USDS)

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