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2. Hudson's equation - Wikipedia

   en.wikipedia.org/wiki/Hudson's_equation

   K D = around 3 for natural quarry rock; K D = around 10 for artificial interlocking concrete blocks; S r = (ρ r / ρ w is the relative density of rock, i.e. (ρ r / ρ w - 1) = around 1.58 for granite in sea water; ρ r and ρ w are the densities of rock and (sea)water (-) θ is the angle of revetment with the horizontal

3. Normative mineralogy - Wikipedia

   en.wikipedia.org/wiki/Normative_mineralogy

   Normative mineralogy is an estimate of the mineralogy of the rock. It usually differs from the visually observable mineralogy, at least as much as the types of mineral species, especially amongst the ferromagnesian minerals and feldspars, where it is possible to have many solid solution series of minerals, or minerals with similar Fe and Mg ratios substituting, especially with water (e.g ...

4. California bearing ratio - Wikipedia

   en.wikipedia.org/wiki/California_bearing_ratio

   The California Bearing Ratio (CBR) is a measure of the strength of the subgrade of a road or other paved area, and of the materials used in its construction.. The ratio is measured using a standardized penetration test first developed by the California Division of Highways for highway engineering. [1]

5. Mineral resource estimation - Wikipedia

   en.wikipedia.org/wiki/Mineral_resource_estimation

   Mineral resource estimation is used to determine and define the ore tonnage and grade of a geological deposit, from the developed block model.There are different estimation methods used for different scenarios dependent upon the ore boundaries, geological deposit geometry, grade variability and the amount of time and money available.

6. Van der Meer formula - Wikipedia

   en.wikipedia.org/wiki/Van_der_Meer_formula

   The Van der Meer formula is a formula for calculating the required stone weight for armourstone under the influence of (wind) waves.This is necessary for the design of breakwaters and shoreline protection.

7. 21 Creative Ways to Use Rocks in Your Landscaping - AOL

   www.aol.com/21-creative-ways-rocks-landscaping...

   Here are 21 front yard landscaping ideas with rocks, stone, and mulch to get you started. For more landscaping inspiration: 8 5 Landscaping Ideas for an Enchanting Outdoor Space