نتایج جستجو برای: road deicing salt

تعداد نتایج: 150888  

2012

Calcium magnesium acetate (CMA) is environmentally benign deicing chemicals that can replace sodium chloride that is widely used on roads and highways at present for snow and ice control to provide safe driving conditions during winter. The price of CMA from petroleum-derived acetic acid is quite expensive. The bamboo vinegar is the by-product from bamboo charcoal production. The bamboo vinegar...

2007
Xiaoyu Mao Adriaan ter Mors Nico Roos Cees Witteveen

Resource scheduling problems with incomplete information and environment changes have been studied for decades. The vast majority of the research efforts in the scheduling problems under uncertainty assume a central authority with a global objective of maximizing the resource usage. In real-life scheduling problems, in addition to the dynamic environment, sometimes conflicting interests of diff...

2013
Xin Yu Ying Wang Yilin Luo Long Yin

Limited studies in recent years have shown that asphalt pavement subject to seawater in coastal regions or deicing salt in cold regions may be seriously damaged after being soaked in saline water for a long time. However, there is limited research into the influence of salt on rheological properties of asphalt after long-term aging. In this study, rheological properties of unmodified and polyme...

2006
Xiaoyu Mao Adriaan ter Mors Nico Roos Cees Witteveen

The planning and scheduling of the deicing and anti-icing activities is an important and challenging part of airport departure planning. Deicing planning has to be done in a highly dynamic environment involving several autonomous and self-interested parties. Traditional centralized scheduling approaches do not acknowledge the autonomy of parties involved. We therefore propose an agent-based sch...

Journal: :Sustainability 2021

Deicing of pavements is essential to ensure safe and timely movement traffic in geographical locations where snow ice events are anticipated. State local municipalities employ brine solution with 23.3 wt% sodium chloride (NaCl) available the form rock salt deice pavements. Unlike water, does not freeze until temperature falls below ?21.0 °C, i.e., freezing point water depressed by °C addition N...

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