Centrifugal model analysis of coal waste embankment stability
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Centrifugal model analysis of coal waste embankment stability

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Published by U.S. Army Engineer Waterways Experiment Station in Vicksburg, Miss .
Written in English

Subjects:

  • Embankments.,
  • Coal mine waste.,
  • Shear strength of soils.,
  • Seepage.

Book details:

Edition Notes

Statementby Frank C. Townsend ... [et al.].
SeriesTechnical report -- GL-79-18., Technical report (U.S. Army Engineer Waterways Experiment Station) -- GL-79-18.
ContributionsTownsend, Frank C., Geotechnical Laboratory (U.S.)., Spokane Mining Research Center (U.S.)
The Physical Object
Pagination117 p. :
Number of Pages117
ID Numbers
Open LibraryOL15248750M

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Centrifugal model analysis of coal waste embankment stability / By Frank C. (Frank Charles) Townsend, Spokane Mining Research Center (U.S.) and Geotechnical Laboratory (U.S.) Abstract. The authors agree on the need for zoned embankment model tests and cite their own experiments suggesting that fine refuse discharged near the upstream slope can greatly reduce seepage. However, they caution that formation of an upstream seepage barrier by the finer wastes is dependent on the coarser waste materials being a successful filter and. A Coal Mine Dump Stability Analysis method of slope stability analysis is a more powerful alternative to traditional limit equilibrium methods and waste dump slopes. However, in a few cases, surface weakening could activate dump slope instability in large scale [12]. The analysis of interaction rules among flexible embankment, CFG pile, soils, and cushion was the key factor to keep the CFG pile composite foundation stability. Three centrifugal model tests with different CFG pile spacing were conducted to research the effect of pile spacing on the CFG pile composite foundation stability, and the surrounding.

Centrifugal model embankments with varying geometries and materials were constructed of coal waste material, accelerated from to times earth's gravity, and subjected to various throughflow. Coal Centre – Coal sampling and analysis standards 4 Abstract Each year, billions of tonnes of coal are traded in regional and international market for use in power generation, steel and cement making, and many other purposes. In commercial operations, the price of coal. ABSTRACT: Coal mining processes result in two general types of by-products: coarse coal refuse (CCR), a mixture of soil and rock commonly used to construct an impoundment coal refuse dam or embankment, and fine coal refuse (FCR) slurry, a mixture of soil, rock dust, coal fines and water that is pumped into such an impoundment. is a platform for academics to share research papers.

  The fill is one important engineering measure to construct civil engineering, such as highway, airport, etc. However, the slope instability of embankment is very complex, which may develop locally, near the facing, within the embankment, or through the foundation soil as local, surficial, general, or deep-seated failure. To analyze the stability of one high embankment slope for one airport in.   The oldest method of minestone utilization is reclamation of spoil heaps by adapting them to the landscape by afforestation or agricultural management.   This paper provides an overview of coal waste management practices with two case studies and an estimate of management cost in US dollars. Processing of as-mined coal typically results in considerable amount of coarse and fine coal processing wastes because of in-seam and out-of-seam dilution mining. Processing plant clean coal recovery values run typically 50 %–80 %.   Utilization of Coal Mixed Waste Aggregates available at Thermal Power Plants Pandey et al. ity, kN @ 60ËšC AASHTO T Min 9 10 Flow, mm AASHTO T % Air Voids - 4 Specific Gravity - - Tensile Strength Ratio, % AASHTO T Min 80 90 Retained Marshall Stability, % AASHTO T Min 80 92 Table 9: Test Results for DBM.