Soil Science and Site Preparation for Construction: Terms and Definitions, Quizzes of Structures and Materials

Download Soil Science and Site Preparation for Construction: Terms and Definitions and more Quizzes Structures and Materials in PDF only on Docsity! TERM 1 Metes and Bounds DEFINITION 1 used natural highlights. Begins at a known point Runs out the boundaries using Courses (directions) Distances (lengths) Establishes markers at corners, along radiuses, on line Returns to the P.O.B., place of beginning A known point, readily identifiable May tie into the government system TERM 2 Rectangular System DEFINITION 2 A grid provides the basis Meridians of Longitude north/south lines Prime Meridian, Greenwich England 35 Principal Meridians Meridian on campus = 6th PM (parallel to) Parallels of Latitude east/west Base Lines, Baseline Road, Boulder 32 Base lines TERM 3 Correction Lines DEFINITION 3 Compensate for the earths curvature Placed every 24 miles Parallel to base lines TERM 4 Guide Meridians DEFINITION 4 Placed @ 24 mile intervals running North and South from the baseline to correction line. TERM 5 Site Construction DEFINITION 5 1. Underlying soil type and properties 2. Moisture Conditions 3. Thermal Conditions 4. Geographic Factors that may require construction precautions to control termites or unusual conditions TERM 6 Soil Types DEFINITION 6 from biggest to largest: -boulders -gravel -sand -slits -clay TERM 7 Granular Non-Cohesive DEFINITION 7 Boulders, gravel, sand Consist of relatively large particles visible to the eye TERM 8 Cohesive DEFINITION 8 Small particles, sometimes these particles can not be seen with a low powered microscope Silt (may have some) and clay (can be high) TERM 9 Resistance to shear DEFINITION 9 What makes a soil stable and structurally sound enough to build on. which is a combination of: Internal friction Resistance of soil grains to the tendency to slide over one another CohesionThe binding force that holds soil grains together Will vary with moisture content of soil High in Clays Low in Sands TERM 10 Plasticity DEFINITION 10 When a mixture of soil and water can be rolled into thin threads, it is called plastic.