How do i do number 4? NAME CE 3332 DATE PROJECT III SPRING 2017 SHOW ALL WORK. P

Question

How do i do number 4?

NAME CE 3332 DATE PROJECT III SPRING 2017 SHOW ALL WORK. PROJECT II DUE: 4 MAY 2017 AT 5:00 PM NO EXCEPTIONS. 3G. IF THE PERMEABILITY OF THE SAND IS 0.02 FTMIN, DETERMINE THE FLOW INTO THE ROCK PER UNIT CROSS-SECTIONAL AREA. AREA 1 FT x 1 FT EQUATION o.02 ft/min 4. LITERATURE SEARCH 4A. WHAT IS LIQUIFACTION? 4B. WHAT CONDITION IN NATURE CAUSES LIQUIFACTION? 4C. NAME THE SOIL TYPES THAT ARE SUSCEPTABLE TO LIQUIFACTION? 4D, CAN DRY SAND LIQUIFY? NO YES 4E. WHAT IS THE EFFECTIVE STRESS BETWEEN THE GRAINS WHEN A SAND UNDERGOES LIQUIFACTION? 13 LB/FT2

Explanation / Answer

4A) Soil liquefaction, ground failure or loss of strength that causes soil to behave temporarily as a viscous liquid.

4B) Occurrence of liquefaction is the result of rapid load application (during earthquake) and break down of the loose and saturated sand and the loosely-packed individual soil particles tries to move into a denser configuration.

4C) saturated and cohesion-less soils are highly susceptible to liquifaction.

4D) Dry sands does not liquify because liquifaction is the increase of pore water pressure. In dry sand there is no pore water pressure. hence no liquifaction.

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