Laserfiche WebLink
3 o C Well-graded gravel and Terms Describing Relative Density and Consistency <br /> 0 O cDensitySPT <br /> GW gravel with sand, little to121 blows/foot <br /> u_ <br /> y <br /> m •G�q C no fines Very Loose 0 to 4 <br /> o `m > o LL o°o o Coarse- <br /> (1) <br /> oarse- Loose 4 to 10 <br /> Poorly-graded gravel Grained Soils <br /> A Vin vii°go.. Medium Dense 10 to 30 <br /> o v °°°°° GP and gravel with sand, Test Symbols <br /> • Dense 30 to 50 <br /> o . d o 0 o 0 0 little to no fines Very Dense >50 G=Grain Size <br /> N o z °0°0°1 (21. M=Moisture Content <br /> d o o °o° o Consistency SPTlows/foot A=AtterbergLimits <br /> Z a �, Silty gravel and silty <br /> c o 0 v o Very Soft 0 to 2 C=Chemical <br /> a w— m 0 0, 0 GM gravel with sand Fine- Soft 2 to 4 DD=Dry Density <br /> c 2 E LL Grained Soils <br /> 0 <br /> o Q Medium Stiff 4 to 8 K=Permeability <br /> N t Stiff 8 to 15 <br /> Clayey gravel and Very Stiff 15 to 30 <br /> M �� GC clayey gravel with sand Hard >30 <br /> co 0 �,' Component Definitions <br /> ca o <br /> Well-graded sand and Descriptive Term Size Range and Sieve Number <br /> Syr sand with gravel,little Boulders Larger than 12" <br /> o `� �•'•' to no fines <br /> 2 LL s Cobbles 3"to 12" <br /> ca V--) w o Poorly-graded sand Gravel 3/4 <br /> oal 3"to 4(4.75 mm) <br /> 'o o � p.::.;_:._ Coarse Gravel 3"to 3/4" <br /> co o SP and sand with gravel, Fine Gravel 3/4"to No.4(4.75 mm) <br /> o . - little to no fines <br /> d Sand No.4(4.75 mm)to No.200(0.075 mm) <br /> z Coarse Sand No.4(4.75 mm)to No.10(2.00 mm) <br /> o a) - SM Silty sand and Medium Sand No.10(2.00 mm)to No.40(0.425 mm) <br /> - <br /> 2 • = silty sand with Fine Sand No.40(0.425 mm)to No.200(0.075 mm) <br /> N W m .:..:"..- <br /> v o n gravel Silt and ClaySmaller than No.200(0.075 <br /> LL. . mm) <br /> oy . <br /> N Clayey sand and (3) <br /> a Sc Estimated Percentage Moisture Content <br /> ^" clayey sand with gravel Component Percentage by Weight Dry-Absence of moisture, <br /> dusty,dry to the touch <br /> Trace <5 <br /> Silt,sandy silt, gravelly silt, Slightly Moist-Perceptible <br /> moisture <br /> a)• co ML silt with sand or gravel Some 5 to<12 <br /> o Moist-Damp but no visible <br /> in co w Modifier 12 to<30 water <br /> co y VeryMoist-Water visible but <br /> Clay of low to medium (silty,sandy,gravelly) <br /> (N 0 % CL plasticity;silty, sandy,or not free draining <br /> z m•- j gravelly clay,lean clay Very modifier 30 to<50 Wet-Visible free water,usually <br /> rn w / (silty,sandy,gravelly) from below water table <br /> a == Organic clay or silt of low Symbols <br /> 2 • __ OL plasticity Blows/6"or <br /> o <br /> Sampler portion of 6" '4 Cement grout <br /> -- - Type ,>>' surface seal <br /> ° Elastic silt,clayey silt,silt / Sampler Type <br /> with micaceous or 2.0"OD / ;5 Description Bentonite <br /> o MH Split Spoon I p c<) seal <br /> "n o diatomaceous fine sand or Sampler 3.0"OD Split-Spoon Sam ler <br /> y co 2 silt SP �� p :.'Filterpackwth <br /> o > o ( T ' 3.25"OD Split-Spoon Ring Sampler (4) •. c::blank casing <br /> co o o Clay of high plasticity, section <br /> v v "' sandyor gravellyclay,fat Bulk sample .• Screened casing <br /> m c= CH y 3.0"OD Thin Wall Tube Sampler — <br /> o co J / clay with sand or gravel 0 (including Shelby tube) = with•fildte pack <br /> a 0;;///, Grab Sample VVy — <br /> _.=End cap <br /> = c g � Organic clay or silt of 10 Portion not recovered <br /> J ;//; OH medium to high (1) <br /> o i�i�/0 Percentage by dry weight (41 Depth of ground water <br /> a /;5/�, plasticity (2) (SPT)Standard Penetration Test <br /> 5 /%, Y ATD=At time of drilling <br /> c (ASTM D-1586) V Static water level(date) <br /> v. >. o, ,,,, Peat,muck and other (3) In General Accordance with <br /> rn rn PT highly organic soils Standard Practice for Description (5) Combined USCS symbols used for <br /> =0 and Identification of Soils(ASTM D-2488) fines between 5%and 12% <br /> D <br /> Classifications of soils in this report are based on visual field and/or laboratory observations,which include density/consistency,moisture condition,grain size,and <br /> plasticity estimates and should not be construed to imply field or laboratory testing unless presented herein.Visual-manual and/or laboratory classification <br /> 3 methods of ASTM D-2487 and D-2488 were used as an Identification guide for the Unified Soil Classification System. <br /> T <br /> m <br /> '' ' , associated <br /> 1 earth sciences EXPLORATION LOG KEY FIGURE Al <br /> o r ,' incorporated <br /> as <br />