I ordered the Mighty Mule Wireless Driveway Alarm model 231 because I have had fairly bad results with IR motion detector based alarms. The MM Alarm arrived on time and in very good condition.
Gravel - Wikipedia
Types of gravel include: Bank gravel: naturally deposited gravel intermixed with sand or clay found in and next to rivers and streams. Also known as "bank run" or "river run".
ASTM D2321 (2000).pdf | Construction Aggregate - Scribd
Feasible use of recycled concrete aggregates and crushed clay brick as unbound road sub-base.pdf
Soil mechanics - Faculty of Environment and Technology
Basic characteristics of soils Size range of grains. Aids to size identification; The range of particle sizes encountered in soil is very large: from boulders with a controlling dimension of over 200mm down to clay particles less than 0.002mm (2mm).
ABC vs. Gravel - Earthwork/grading engineering - Eng-Tips
Easy question; What's the difference between Aggregate Base and gravel? Are there some regional definitions which might further muddy the issue?
Pavingexpert - AJ McCormack and Son - Gravel, Cinder and ...
Construction details for gravel, cinder or hoggin drives and paths
sand gravel manufacturers -
Gila River Sand & Gravel. Gila River Sand and Gravel. Commercial aggregate and residential sale of gravel and sand for landscaping and building needs.
Washboarding - Wikipedia
Washboarding or corrugation is the formation of periodic, transverse ripples in the surface of gravel and dirt roads.Washboarding occurs in dry, granular road material with repeated traffic, traveling at speeds above 8.0 kilometres per hour (5 mph).
Paving Expert - AJ McCormack and Son - Aggregates for Paving ...
Ballast As with a lot of terms used for aggregates, this one has several meanings. In some parts of the country, 'all-in ballast' refers to a mixture of gravel and/or small stone (<60mm) with sand, often used to make concrete.