effect of pore water pressure in open pit coal mine

We are the manufacturer of coal mining machine,roadheader,coal loader,tunnel mucking loader,backfilling machine,concerte pumping machine and so on. effect of pore water pressure in open pit coal mine manufacturer, supplier.

IMPORTANCE OF PORE PRESSURE MONITORING IN HIGH WALLS Kym L ...

Ground water and associated pore pressure represent elements which can have a negative ... an open pit mine, the validation of the dewatering/depressurization requirements, the ... It is commonly accepted that ground water has a detrimental effect upon mining. The

Seepage Modeling for a Large Open Pit Coal Mine in India

that stream channel is enriched and nearby dug out pit has no effect whereas in Fig. 1b, c the seepages occurs ... plot of pore-water pressure distribution involving ... Seepage Modeling for a Large Open Pit Coal Mine in India ...

effect of pore water pressure in open pit coal mine

We are the manufacturer of coal mining machine,roadheader,coal loader,tunnel mucking loader,backfilling machine,concerte pumping machine and so on. effect of pore water pressure in open pit coal mine manufacturer, supplier.

(PDF) Prediction of groundwater inflow and...

the effect of pore water pressure on the stability of an open pit high wall (Azrag et al., 1998). Man y analytical solutions for prediction of water inflow into mine excava tions can be found in ...

SIMULATED PORE PRESSURE IN HIGHWALLS OF OPEN PIT MINES - GWD

SIMULATED PORE PRESSURE IN HIGHWALLS OF OPEN PIT MINES . I. Mahomed,1 W Chimhanda1 and R. Armstrong1 . 1SRK Consulting ... Monthly water levels recorded from a network of some 53 active piezometers (July ... effects of drainholes on the pit highwall for geotechnical design sa ection are shown in Figures 5 .

MONITORING OF A LARGE SLIDE AND SLOPE RECLAMATION IN A ...

MONITORING OF A LARGE SLIDE AND SLOPE RECLAMATION IN A FORMER OPEN-PIT MINE Marek ZALESKY 1, ... The brown coal open pit mining contributed to slope movements in the 1970's. The land slide ... • Pore water pressure monitoring using Swedish BAT system of filters and intelligent

Effects of Surface Mining on Ground Water Quality

Effects of Surface Mining on Ground Water Quality by Henry Rauch Nature of Ground‐water pollution by surface mining Ground water is becoming a major concern with respect to surface mining of coal in both West Virginia

Mine water management - SRK

• the pore water pressure distribution behind the wall ... open pit mining operations. He has worked on projects involving very large pits in challenging rock mass conditions. Ian's projects have involved ... mine water management SRK Water Management . water management,

Mudstone depressurisation behaviour in an open pit coal ...

Mudstone depressurisation behaviour in an open pit coal mine, indonesia ... Key Wordsdepressurisation, mudstone, pore pressure, open pit, coal, slope stability introduction ... values. it was concluded that unloading by mining had an effect on the pore pressure in thick

Numerical modelling of the groundwater inflow to an ...

During mine excavation, the upper impervious bed of a confined aquifer was broken and water at high-pressure flowed into an open pit mine associated with the Kolahdarvazeh deposit. ... capacity using FEFLOW for the No. 14 coal seam of China's Linnancang coal mine (Dong et al. 2012). ... and the water content as a function of pore water ...

Fundamental Study of Effect of Waste Rock Condition on ...

Mine Drainage at Open Pit Coal Mine in Tropical Regions Hideki Shimada a*, ... in the open pit coal mine in Indonesia to understand the effects of the rock condition on acidic water ... fracture phenomenon by increase in pore-air pressure (Taylor, 1988). In this study, Slaking ...

Some Technical Aspects of Open Pit Mine Dewatering

Some Technical Aspects of Open Pit Mine Dewatering by V. Straskraba, Senior Mining Hydrogeologist, Dames & Moore, ... mining activity but high pore pressure in the water ... TECHNICAL ASPECTS OF OPEN PIT MINE DEWATERING 483 .

IMPORTANCE OF PORE PRESSURE MONITORING IN HIGH WALLS Kym L ...

Ground water and associated pore pressure represent elements which can have a negative ... an open pit mine, the validation of the dewatering/depressurization requirements, the ... It is commonly accepted that ground water has a detrimental effect upon mining. The

Seepage Modeling for a Large Open Pit Coal Mine in India

Download Citation on ResearchGate | Seepage Modeling for a Large Open Pit Coal Mine in India | Medapalli Open Cast Project (MOCP) owned by M/s Singareni Collieries Company Limited (SCCL), Andhra ...

REVIEW OF PRESENT PRACTICES USED IN PREDICTING THE EFFECTS ...

REVIEW OF PRESENT PRACTICES USED IN PREDICTING THE EFFECTS OF BLASTING ON PORE PRESSURE November 7 985 ... REVIEW OF PRESENT PRACTICES USED IN PREDICTING THE EFFECTS OF BLASTING ON PORE PRESSURE by Wayne A. Charlie ... residual pore-water pressure (excess pore-water pressure), reduce the stability of a dam, induce ...

Open Pits | Beck Engineering Pty Ltd

Cut-away section through an open pit showing modelled displacement magnitudes. This model included many faults as shown, as well as pore water pressure effects.

Technology Data Sheet Mine Dewatering - Groundwater Eng

Technology Data Sheet Mine Dewatering ... Examples of mine dewatering techniques at an open pit mine Open Pit Dewatering Techniques In-pit pumping ... rock is of such low hydraulic conductivity that pore water pressure reductions are very slow. Drainage of pit

Pit Slope Optimization Based on Hydrogeologic Inputs

the effect of pore pressure on slope stability. Hydrogeologists and rock mechanics engineers combine their efforts in order to quantify, simulate, and control the effect of groundwater pressures on pit slope performance. ... Groundwater water in open pit mines affects normal operations in many ways. Excessive water inflow into the pit can ...

Stability analysis of the sliding process of the west ...

Stability analysis of the sliding process of the west slope in Buzhaoba Open-Pit Mine. ... where U i is the pore water pressure. ... T. ShangZonal extraction technology and numerical simulation analysis in open pit coal mine. Int J Mining Sci Technol, 22 (4) (2012), pp. 487-491

REVIEW OF PRESENT PRACTICES USED IN PREDICTING THE EFFECTS ...

REVIEW OF PRESENT PRACTICES USED IN PREDICTING THE EFFECTS OF BLASTING ON PORE PRESSURE November 7 985 ... REVIEW OF PRESENT PRACTICES USED IN PREDICTING THE EFFECTS OF BLASTING ON PORE PRESSURE by Wayne A. Charlie ... residual pore-water pressure (excess pore-water pressure), reduce the stability of a dam, induce ...

Dewatering optimization using a groundwater flow model at ...

Dewatering optimization using a groundwater flow model at the Whitewood open-pit coal mine, Alberta S. M. SUMER Morlenco Consultaizts Limited, ... to reduce groundwater inflows into the mine pit and reduce pore-water pressures in the mine walls concluded that a vertical

Technology Data Sheet Mine Dewatering - Groundwater Eng

Technology Data Sheet Mine Dewatering ... Examples of mine dewatering techniques at an open pit mine Open Pit Dewatering Techniques In-pit pumping ... rock is of such low hydraulic conductivity that pore water pressure reductions are very slow. Drainage of pit

Seepage–damage coupling study of the stability of water ...

Numerical simulations on water pressure dissipation of water-filled coal rock slope under the coupling effect of seepage and damage will be conducted for a practical engineering problem of water-filled coal rock slope of Dongming open pit.

effect of pore water pressure in open pit coal mine ...

effect of pore water pressure in open pit coal mine. effect of pore water pressure in open pit coal mine. We are the manufacturer of coal mining machine,roadheader,coal loader,tunnel mucking loader,backfilling machine,concerte pumping machine and so on. effect of pore water pressure in open pit coal mine manufacturer, supplier.