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| 1 | Groundwater monitoring of an open-pit limestone quarry:Water-rock interaction and mixing estimation within the rock layers by geochemical and statistical analyses显示文摘Water-rock interaction and groundwater mixing are important phenomena in understanding hydrogeological systems and the stability of rock slopes especially those consisting largely of moderately watersoluble minerals like calcite. In this study, the hydrogeological and geochemical evolutions of groundwater in a limestone quarry composed of three strata: limestone layer(covering), interbedded layer under the covering layer, and slaty greenstone layer(basement) were investigated. Water-rock interaction in the open-pit limestone quarry was evaluated using PHREEQC, while hierarchical cluster analysis(HCA)and principal component analysis(PCA) were used to classify and identify water sources responsible for possible groundwater mixing within rock layers. In addition, Geochemist's Workbench was applied to estimate the mixing fractions to clarify sensitive zones that may affect rock slope stability. The results showed that the changes in Ca2+and HCO3àconcentrations of several groundwater samples along the interbedded layer could be attributed to mixing groundwater from the limestone layer and that from slaty greenstone layer. Based on the HCA and PCA results, groundwaters were classified into several types depending on their origin:(1) groundwater from the limestone layer(LO),(2) mixed groundwater flowing along the interbedded layer(e.g., groundwater samples L-7, L-11, S-3 and S-4), and(3) groundwater originating from the slaty greenstone layer(SO). The mixing fractions of 41% LO: 59% SO, 64% LO: 36% SO, 43%LO: 57% SOand 25% LO: 75% SOon the normal days corresponded to groundwaters L-7, L-11, S-3 and S-4,respectively, while the mixing fractions of groundwaters L-7 and L-11(61% LO: 39% SOand 93% LO: 7% SO,respectively) on rainy days became the majority of groundwater originating from the limestone layer.These indicate that groundwater along the interbedded layer significantly affected the stability of rock slopes by enlarging multi-breaking zones in the layer through calcite dissolution and inducing high water pressure, tension cracks and potential sliding plane along this layer particularly during intense rainfall episodes. | Khy Eam Eang Toshifumi Igarashi Megumi Kondo Tsurugi Nakatani Carlito Baltazar Tabelin Ryota Fujinaga | 2018 | International Journal of Mining Science and Technology2018，28，6： | 6 |
| 2 | An experimental investigation into the integration of a jet-pump refrigeration cycle and a novel jet-spay thermal ice storage system显示文摘 | Ian W. Eames Mark Worall Shenyi Wu | 2012 | Applied Thermal Engineering2012，，： | 2 |
| 3 | Microleakage:A review显示文摘 | Kidd EAM | 1976 | J Dent1976，4，： | 1 |
| 4 | Exhaled Nitric Oxide, Relation Ship to Clinieophysiological Markers of Asthma Severity显示文摘 | Al Ali M K Eames C Howarth P H | 1998 | Respir Med1998，92，： | 1 |
| 5 | Yeomans-P outcome of intensive rehabilitation dfter severe brain injury: a long-term follow-up study显示文摘 | Eames P Cotterill G Kneale T | 1996 | Brain Inj1996，10，9： | 1 |
| 6 | Laparoscopic versus open sergery for suspected appednicitis 显示文摘 | Sauerland S Lefering R Neugebauer EAM | 2007 | Co- chrane Database Syst Rev2007，1，00： | 1 |
| 7 | Prevention of vi tamin K deficiency in infancy by weekly administration of vitamin K 显示文摘 | Kollee LAA Abreu RA | 1993 | Acta Paediatr1993，82，： | 1 |
| 8 | Effect of conjugated linoleic acid (CLA) isomers on lipid levels and peroxisome proliferation in the hamster 显示文摘 | Amelsvoort JMM McNeil GP | 1999 | Br J Nutr1999，82，4： | 1 |
| 9 | Performance of chilled ceiling panels using phase change material slurries as the heat transport medium 显示文摘 | Griffiths P W Eames P C | 2007 | Appl Therm Eng2007，27，10： | 1 |
| 10 | Scanning electron microscopic observations of human dentine after mechanical caries excavation显示文摘 | Banerjee A Kidd EAM Watson TF | 2000 | J Dent2000，28，3： | 1 |
| 11 | Freezing and melting of water in spherical enclosures of the type used in thermal (ice) storage systems显示文摘 | Eames I W Adref K T | 2002 | Applied Thermal Engineering2002，22，： | 1 |
| 12 | Networks and epidemic models显示文摘 | Keeling M J Eames K T D | 2005 | J R Soc Interface2005，2，4： | 1 |
| 13 | A small capacity steam-ejector refrigerator:experimental investigation of a system using ejector with movable primary nozzle显示文摘 | Aphornratana S Eames I W | 1997 | International Journal of Refrigeration1997，20，5： | 1 |
| 14 | Management of Earnings and Analysts' Forecasts to Achieve Zero and Small Positive Earnings Surprises 显示文摘 | Burgstahler D Eames M | 2006 | Journal of Business Finance & Accounting2006，33，0506： | 1 |
| 15 | Innovations in vapor-absorption cycles显示文摘 | Shenyi Wu Eames Ian W | 2000 | Applied Energy2000，，66： | 1 |
| 16 | Prevention of vitamin K deficiency in infancy by weekly administration of vitamin K显示文摘 | Cornelissen EAM Kollee LAA Abrea RA | 1993 | Acta Pediatr1993，82，3： | 1 |
| 17 | Recent developments in the design theories and application of ejectors -a review显示文摘 | Sun D W Eames I W | 1995 | Journal of the Institute of Energy1995，68，： | 1 |
| 18 | Networks and epidemic models显示文摘 | Keeling M J Eames K T D | 2005 | Journal of the Royal Society Interface2005，2，4： | 1 |
| 19 | A theoretical and experimental study of a small-scale steam jet refrigerator显示文摘 | Eames I W Aphornratana S Haider H | 1995 | International Journal of Refrigeration1995，18，6： | 1 |
| 20 | Anesthesia in the patient for awake cranioto-my显示文摘 | Frost EAM Booij LHDJ | 2007 | Current Opinion in Anesthesiology2007，20，4： | 1 |
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