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221
Rheological Characterization of Warm-Modified Asphalt Mastics Containing Electric Arc Furnace Steel Slags
Published 2016-01-01“…To evaluate the influence of both warm additive and steel slag, a plain binder and limestone filler were also used for comparison purposes. …”
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222
Investigation of Multiple Hole Grouting for Reducing Water Inrush Risk in Underground Engineering
Published 2021-01-01“…The method was applied in a case study in a coalmine in Henan province, China, in which the risk of the water inrush from karst aquifers has been reduced by grouting. There are three limestone aquifers, namely, L8, L10, and L11 which underlie an exploitable coal seam. …”
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223
EFFECT OF ALTERNATIVE RAW MATERIALS OVER CLINCKER QUALITY AND CO2 EMISSIONS
Published 2024-09-01“…One of the approaches aimed at reducing thermal energy consumption is the partial substitution of traditional raw materials (limestone, clay, gypsum) with other alternative materials, with a melting effect, among which stand out byproducts of the steel industry such as furnace and steel slag. …”
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224
Risk assessment of water inrush from coal floor based on enhanced samples with class distribution
Published 2025-01-01“…Our results support safe and efficient coal mining above Ordovician limestone-confined water.…”
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225
Venüs Heykelciklerinden İdollere Kadın Temsilleri
Published 2021-12-01“…The most famous one of them is the Willendorf Venus that was made of limestone. There are also samples of Venus figurines with hair and facial details, as well as the ones which generally do not have any hair and facial details. …”
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226
Enhancing performance of recycled aggregate concrete with supplementary cementitious materials
Published 2025-03-01“…In a concrete based on RCA aggregates, ordinary cement was replaced with 20% natural pozzolan (NP), 10% limestone powder (LP), 20% ground granulated blast furnace slag (GGBFS) or 10% fumed silica (SF). …”
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227
Photoelectric Factor Characterization of a Mixed Carbonate and Siliciclastic System Using Machine-Learning Methods: Pennsylvanian Canyon and Strawn Reef Systems, Midland Basin, Wes...
Published 2024-12-01“…However, there are some porous shale beds within the reef complex that are indistinguishable from the porous limestone zones on the neutron porosity log that have posed major challenges to hydrocarbon production. …”
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228
Techniques for Suppressing Mineral Dust Aerosol from Raw Material Stockpiles and Open Pit Mines: A Review
Published 2023-12-01“…In conventional stockpiles, the tendency to produce mineral dust is higher in coal and coke than in other material aggregates such as limestone, gypsum, iron ore, magnetite, and bauxite. …”
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229
Mathematical modelling approach to understanding the effect of Mg-rich synthetic gypsum used as fertilizer on growth of Hevea brasiliensis in acid soils.
Published 2025-01-01“…This study was conducted on the growth dynamics of rubber planted on two acid soils treated with either dolomitic limestone (GML), kieserite or Mg-rich synthetic gypsum (MRSG) to supply the Mg required by rubber seedlings. …”
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230
Research on a Numerical Simulation and Prediction Model of Floor Mining Failure Depth in the Chenghe Mining Area
Published 2020-01-01“…Ordovician limestone water on the floor is a serious threat to the safety of coal mine production in the Weibei coalfield, and prediction of the floor failure depth is the key for evaluating the mining conditions under pressure. …”
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231
Light Hydrocarbon Geochemistry: Insight into Mississippian Crude Oil Sources from the Anadarko Basin, Oklahoma, USA
Published 2019-01-01“…The Mississippian limestone is a prolific hydrocarbon play in the northern region of Oklahoma and the southern part of Kansas. …”
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232
Enhancing safety in surface mine blasting operations with IoT based ground vibration monitoring and prediction system integrated with machine learning
Published 2025-02-01“…This study introduces an IoT-based ground vibration monitoring device specifically designed for limestone mining operations, combined with machine learning algorithms to predict ground vibration intensity. …”
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233
Ferroan Dolomitization by Seawater Interaction with Mafic Igneous Dikes and Carbonate Host Rock at the Latemar Platform, Dolomites, Italy: Numerical Modeling of Spatial, Temporal,...
Published 2017-01-01“…Reaction of modified seawater with limestone causes ferroan and nonferroan replacement dolomitization. …”
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234
A novel approach to assess acid diversion efficiency in horizontal wells
Published 2025-01-01“…Four experiments were conducted in this study using Indiana limestone cores that were 1.5 inches in diameter. For the first three tests, the length of the core was 12 inches, and the cores’ average permeabilities were 16 mD. …”
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235
Structure and properties of magnesia stone obtained by activation of caustic dolomite
Published 2024-10-01“…The solution of the actual problem of deficit of reserves of raw materials with high MgO content by involving low-magnesian raw materials from dolomitized limestone into production is presented. For this purpose, it was proposed to increase the activity of the binder using preliminary mechanical activation in the vortex layer device. …”
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236
Micro-characterization of Dust and Materials of Dust Origin at a Cement Industry Located in Bangladesh
Published 2022-10-01“…All the materials that could potentially be the sources of the dust of the CI were collected, including clinker, gypsum, limestone, fly ash, slag, and two types of cement products. …”
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237
Effect of Indenter Angle on Bearing Performance of Coal and Accompanying Rocks Under Point Load and Characterization of Mechanical Parameters
Published 2025-01-01“…ABSTRACT Coal, mudstone, sandstone, and limestone, which are common in coal mines, were selected as research objects, and 60°, 90°, and 120° indenters were used to conduct point load tests to study the deformation and failure laws of rocks under point loads. …”
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238
A New Evaluation Method for Water Blocking Performance of Coal Seam Floor: Model Construction, Case Application, and Water-Preserved Strategy
Published 2022-01-01“…Furthermore, an optimized strategy for coal seam floor water retention mining is proposed: the technology system of water-preserved mining for coal seam floor contains 3 stages and 3 detections, which provides a scientific basis for the in situ protection of high-pressure limestone water from coal seam floor.…”
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239
Optimization of Low-Carbon Footprint Quaternary and Quinary (37% Fly Ash) Cementitious Nanocomposites with Polycarboxylate or Aqueous Nanosilica Particles
Published 2019-01-01“…In this paper, nS particles dispersed in (a) polycarboxylate or (b) water were added to a low-carbon footprint reference binder containing 43% Portland cement (PC), 20% limestone powder (LS), and 37% fly ash (FA) by mass of binder. …”
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240
Erodibility and sedimentation potential of marly formations at the watershed scale
Published 2019-07-01“…The results indicated that Kashkan formation comprises siltstone, sandstone, shale, and conglomerate, and Grupi formation contains shale, clay, and limestone with a high erodibility potential. Field measurements and soil samples analyzed for effective factors releaved that sediment yield for Merek watershed was 18080.6 m3/ha/y. …”
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