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SOIL DESIGN REVIEW

SOIL DESIGN REVIEW. KNOWLEDGE BASE REQUIRED:. SOIL MECHANICS. SOIL DESIGN REVIEW. REVIEW OF SOIL MECHANICS. VERTICAL STRESSES LATERAL STRESSES. BASIC SOIL MECHANICS REVIEW:. = UNIT WEIGHT OF SOIL (PCF, KN/m 3 ). = SATURATED UNIT WEIGHT OF SOIL. = BOUYANT UNIT WEIGHT OF SOIL.

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SOIL DESIGN REVIEW

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  1. SOIL DESIGN REVIEW KNOWLEDGE BASE REQUIRED: SOIL MECHANICS

  2. SOIL DESIGN REVIEW REVIEW OF SOIL MECHANICS • VERTICAL STRESSES • LATERAL STRESSES BASIC SOIL MECHANICS REVIEW: = UNIT WEIGHT OF SOIL (PCF, KN/m3) = SATURATED UNIT WEIGHT OF SOIL = BOUYANT UNIT WEIGHT OF SOIL = UNIT WEIGHT OF WATER(62.4PCF,9.81 KN/m3)

  3. SOIL DESIGN REVIEW BASIC SOIL MECHANICS REVIEW: - = VERTICAL STRESSES: = VERTICAL STRESS (PSF, TSF,KN/m2) (TOTAL STRESS) CALCULATE TOTAL Ka=0.5

  4. SOIL DESIGN REVIEW BASIC SOIL MECHANICS REVIEW: VERTICAL STRESSES at 8 feet: EFFECTIVE VERTICAL STRESSES at 8’:

  5. SOIL DESIGN REVIEW BASIC SOIL MECHANICS REVIEW: LATERAL TOTAL STRESSES at 3 feet: LATERAL STRESSES at 8 ft.(Calculating water):

  6. SOIL DESIGN REVIEW BASIC SOIL MECHANICS REVIEW: LATERAL FORCE: LATERAL FORCE:

  7. SOIL DESIGN REVIEW BASIC SOIL MECHANICS REVIEW: LATERAL FORCES:

  8. SOIL DESIGN REVIEW BASIC SOIL MECHANICS REVIEW: LATERAL FORCES: TO FIND RESULTANT SUM FORCES: R TO FIND RESULTANT LOCATION TAKE MOMENT:y

  9. SOIL DESIGN REVIEW BASIC SOIL MECHANICS REVIEW: LATERAL FORCES: 236.25# 787.5# 1140# NOTE: 360+780= 1140# TO FIND RESULTANT SUM FORCES: R TO FIND RESULTANT LOCATION TAKE MOMENT:y

  10. SOIL DESIGN REVIEW BASIC SOIL MECHANICS REVIEW: LATERAL FORCES: R=236.25+787.5+1140=2163.75# LATERAL ARM:

  11. 236.25#s 6.0’ RESULTANT 787.50#s 2163.75# 2.5’ 2.4’ 1.67’ SOIL DESIGN REVIEW BASIC SOIL MECHANICS REVIEW: LATERAL FORCES: 1140#s

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