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Jou Name: <br />Job Number: <br />Date. <br />Preliminary Information <br />T14 <br />Lincoln Elementary School <br />69998 <br />5/15/2015 <br />T.I.= <br />4 . <br />R -Value of Subgrade= <br />50 <br />GE (Gravel Equivalent) Required= <br />7.68 <br />Gf (Gravel Factors) <br />ASB <br />1.0 <br />AB <br />1.1 <br />AC (Off Chart *) <br />_ 2.001 <br />Existing Section Thicknesses (inches) <br />ASB <br />A M <br />MD <br />AC 2.0 <br />Current GE= 4.00 <br />Current Section Sufficient? No <br />Excess / Deficiency in GE -3.68 <br />Required Overlay Thickness (inches)= 1.84 <br />Desired Section Thicknesses (inches) <br />ASB Q.0 , <br />AB <br />AC 2.5 <br />Calculated GE= 9.4 <br />Current Section Sufficient? Yes <br />Excess / Deficiency in GE 1.72 <br />* Use Chart for "Relationship Between <br />Gravel Equivalent f=actor for Asphalt <br />Concrete and Traffic Index" with <br />Gf(ac)=2.5*(5.14/TI)^0.5 <br />Given AC, Find AB Thickness (inches) ** <br />AC 2(3 <br />Required AB Thickness (inches) 3.3 <br />Given AB, Find AC Thickness (inches) ** <br />AB S.5 <br />Required AC Thickness (inches) 1.9 <br />** Assuming no ASB is used <br />69998 Caltrans Pavement Calculations.xlsx <br />