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CIVIL DESIGN <br /> PROJECT: KIMMES RESIDENCE PROJECTNO: 12-187 SHEET: 1 OF 3 <br /> 5H:1V BACK SLOPE,50 PSF SURCHARGE <br /> LOCATION: ORONO,MINNESOTA BY: BTD DATE: 6/4/2012 <br /> A.GENERAL DESIGN DATA <br /> Boulder,p= l40 pcf <br /> Wall Batter,i= I 5.0 degrees <br /> Design Height,H= 8.0 ft(design height+embedment) <br /> Backslope,(3= 10.0 degrees <br /> Surcharge,q= 50.0 psf <br /> FS Sliding> I.5 <br /> FS Overturning> I.5 <br /> Beazing> 2.0 <br /> B.SOIL PARAMETERS <br /> �(deg) �(Ps� Y�P�� <br /> Retained Soil 26 0 120 <br /> Foundation Soil 26 0 120 <br /> C.GEOMETRIC PARAMETERS <br /> �= 26 degrees <br /> a= l05 degrees(90°+�) <br /> (3= 10.0 degrees <br /> S= 17.3 degrees(2/3*�) <br /> D.COULOMB EARTH PRESSURE CALCULATIONS <br /> ke= 0.29 k� _ sin�(a +�) <br /> P,= O.SyH`ka z Sin(�+8)Sin(�-�f) � <br /> Pa= 1105 lbs/ft s in a •s in(a -8)•�1+ <br /> sin(a -8)sin(a+�) <br /> Pq= 9� <br /> Pq= 115 lbs/ft <br /> E.EX7'ERNAL STABILITY �, <br /> �— 1 � <br /> 1.OVERTURNING i � ' ` <br /> i j—�, <br /> � ' <br /> Overhirning Moment '�\ <br /> Mo= Pa�3�t Py�wz� f wk.A�a <br /> � <br /> Mo= 3408 ft•Ibs i / ' �~�' <br /> , �----- A,. <br /> � ` �._.__ _`� <br /> ; � `�, <br /> Resisting Moment � �---- '�. <br /> H= Design Height(ft) � ` ��' <br /> � � �'---__ � <br /> D= Depth of Boulder(in) ; _ ; :.� <br /> � a <br /> L=Distance from overturning ��_ ` _�__� <br /> point to centroid(ft) �� � ' <br /> l----� <br /> Figure t:Extemal Stability Diagram <br /> Telephone(952)303-5312•Fax(763)392-1989•www.cdp-us.com <br /> 8609 Lyndale Avenue South Suite 200•Bloomington,Minnesota•55420 <br /> � <br />