Testing Research of Physical and Mechanical Properties of Snows on Railroad Switch

Cun Yuan Mu; Bo  Feng; Ming Ge Sui; An Min Wang

doi:10.4028/www.scientific.net/AMM.380-384.4387

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 380-384Testing Research of Physical and Mechanical...

Testing Research of Physical and Mechanical Properties of Snows on Railroad Switch

Abstract:

The conservation status of the railway turnout junctions were analyzed, the hardness, density, compressive strength tests of snow squeezed by railway turnout junctions were studied, thus reaching a conclusion that different quality of snow owns different hardness and densities. For new snow ( or loose snow) whose density ρ = 0.3g/cm², snow compressive strength is small; when the compacted snow density ρ > 0.3g/cm², the regulation of snow compressive strength should be the snow compressive strength improve with decreasing temperature, while the denser the snow density is and the lower ambient temperature is, the faster the snow increase compressive strength. All these provided the snow quality parameters for the design of railway turnout junction snow cleaning machines and tools.

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Periodical:

Applied Mechanics and Materials (Volumes 380-384)

Pages:

4387-4390

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.380-384.4387

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Online since:

August 2013

Authors:

Cun Yuan Mu, Bo Feng, Ming Ge Sui, An Min Wang

Keywords:

Compression Strength, Densities, Hardness, Residual Snow

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References

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