Soil mecha - Study guides, Class notes & Summaries

TF: The diffuse double layer is the basic structure of each clay particle, and these clay particle diffuse double layers are the 2 different mineral sheets bonded together - ️️False. The diffuse double layer is the region of attracted positive ions in solution and the negatively charged surface of the clay What is the name of the lab test that is used to determine the grain size distribution of the particles of fine soil, that pass through the No. 200 sieve? - ️️Hydrometer Analysis...

What are the differences between sand and clay? (size, shape, strength comes from __?) - ️️Sand: larger/coarse grained, rounder, strength from frictional forces between particles Clay: small/fine grained, flat, strength from water interaction What rocks make up the crust, what rocks make up the surface? - ️️crust = 95% igneous and metamorphic surface = 75% sedimentary Soil Mechanics - ️️Application of static, mechanics of materials, and fluid mechanics to describe the behavio...

If a bedrock soil was changed out with sand, the time it should take for settlement to occur would be _____________ but the overall amount of settlement that occurs will be ________________ - ️️less, same Define compaction - ️️the increase in unit weight obtained by controlled densification Amount of settlement is ____________ to the 1D strain caused by variation in effective stress - ️️proportional Rate of settlement is a function of - ️️soil type, geometry of the profile...

accuracy of k determined in lab depends on 6 variables - ️️temperature of fluid, viscosity of fluid, trapped air bubbles present in soil specimen, degree of saturation of the soil specimen, migration of fines during testing, and duplication of field conditions in the lab boutwell permeameter - ️️hole is drilled and casing placed in it. casing filled with water and falling-head permeability test is conducted, hole is deepened, repeat hydraulic gradient - ️️i = ∆h/L Darcy's...

13949 Which of the following bonding is responsible to combine the silica-gibbsite sheet in kaolinite clay mineral? [SSC JE AN] 1)Covalent bond 2)Hydrogen bond 3)Ionic bond 4)Polar covalent bond correct answers B 2 12389 Soil transported by wind is called [SSC JE AN] 1)Aeolian soil 2) Alluvial soil 3) Marine soil 4) Locustrine soil correct answers A 3 12296 Which of the following is responsible for the formation of residual soil?[SSC JE AN] 1)Glaciers 2)Water 3)Win...

The total settlement of a soil is made up of various components, which are...... - ️️Secondary Settlement Immediate Settlement Consolidation Settlement T/F: The increase in vertical stress due to a foundation load, Δσ, should be calculated at the same location within the clay layer that the pre-consolidation stress, σ'p, and vertical effective stress, σ'v, are calculated when determining settlement. - ️️True T/F: Hydraulic gradient, i, is defined as the energy or head lo...

Soil Mechanics: Exam 1, Soil Mechanics Exam 2 Questions and Answers

UNIT-I INTRODUCTION SOIL AND SOIL ENGINEERING * The term Soil has various meanings, depending upon the general field in which it is being considered. *To a Pedologist ... Soil is the substance existing on the earth's surface, which grows and develops plant life. *To a Geologist ..... Soil is the material in the relative thin surface zone within which roots occur, and all the rest of the crust is grouped under the term ROCK irrespective of its hardness. *To an Engineer .... Soil is t...

EINSTEIN COLLEGE OF ENGINEERING Sir.C.V.Raman Nagar, Tirunelveli-12 Department of Civil Engineering CE 42- SOIL MECHANICS Lecture notes Prepared by BEULA ANGEL S.G & A.PONNIAHRAJU SOIL MECHANICS SUBJECT CODE : CE 42 EINSTEIN COLLEGE OF ENGG DEPT OF CIVIL ENGG CE 42 SOIL MECHANICS OBJECTIVE After undergoing this course, the student gains adequate knowledge on engineering properties of soil. 1. INTRODUCTION 10 Nature of Soil - Problems with soil - phase relation - sieve analysis ...

Department of Civil Engineering CE 42- SOIL MECHANICS QUESTIONS & ANSWERS