Project Packet - Laserfiche WebLink

Home Browse Search

STORI~® Materials Technology Stork Twin City Testing Corporation SYMBOLS AND TERMINOLOGY ON TEST BORING LOGS SYMBOLS Drilling and Sampling Laboratory Testing Symbol Descrietion Symbol Descri11tion HSA 3-1/4" I.D. hollow stem auger w Water content,% (ASTM:D2216)'* FA 4". 6" or 1 O" diameter flight auger D Dry density, pcf -HA 2", 4" ors• hand auger LL Liquid limit (ASTM:D4318) -DC 2-1/2", 4", 5" or 6" steel drive casing PL Plastic limit {ASTM:D4318) -RC Size A, B or N rotary casing PD Pipe drill or cleanout tube ---Inserts in Last Column (Qu or RQD) --- cs Continuous split barrel sampling OM Drilling mud Qu Unconfined compressive strength, psf (ASTM:D2166) JW Jetting water Pq Penetrometer reading, tsf (ASTM:D1558) SB 2" O.D. split barrel sampling Ts Torvane reading, tsf L 2-1/2" or 3-1/2" O.D. SB liner sample G Specific gravity (ASTM:D854) -T 2" or 3" thin walled tube sample SL Shrinkage limits (ASTM:D427) 3TP 3" thin walled tube using pitcher sampler oc Organic content-Combustion method (ASTM:D2974) TO 2" or 3" thin walled tube using Osterberg sampler SP Swell pressure, !sf (ASTM:D4546) w Wash sample PS Percent swell under pressure (ASTM:D4546) B Bag sample FS Free swell, % (ASTM:D4546) p Test pit sample ss Shrink swell, % (ASTM:D4546) _Q BQ, NQ, or PQ wireline system pH Hydrogen ion content -Meter Method (ASTM:D4972) _x AX, BX, or NX double tube barrel SC Sulfate content, parts/million or mg/I N Standard penetration test, blows per foot cc Chloride content, parts/million, or mg/I CR Core recovery, percent c· One dimensional consolidation (ASTM:D2435) WL Water level Qc* Triaxial compression (ASTM:D2850 and D4767) ~ Water level D.S.* Direct shear (ASTM:D3080) NMR No measurement recorded, primarily due to the K* Coefficient of permeability, cm/sec (ASTM:D2434) presence of drilling or coring fluid P* Pinhole test (ASTM:D4647) DH* Double hydrometer (ASTM:D4221) MA" Particle size analysis (ASTM:D422) R Laboratory electrical resistivity, ohm-cm (ASTM:G57) E* Pressuremeter deformation modulus, !sf (ASTM:D4719) PM* Pressuremeter test (ASTM:D4719) VS* Field vane shear (ASTM:D2573) IR* lnfiltromeler test (ASTM:D3385) RQD Rock quality designation, percent * Results shown on attached data sheet or graph *"' ASTM designates American Society for Testing and Materials TERMINOLOGY Particle Sizes Soil Laverin~ and Moisture ~ Size Range Term Visual Observation Boulders > 12" Lamination Up to 1/4" thick stratum Cobbles 3"-12" VaNed Alternating laminations of any combination of Coarse gravel 3/4"-3" clay, silt, fine sand, or colors Fine gravel #4 sieve -3/4" Lenses Small pockets of different soils in a soil mass Coarse sand #4 -#1 O sieve Stratified Alternating layers of varying materials or colors Medium sand #1 O -#40 sieve Layer 1/4" to 12" thick stratum Fine sand #40 -#200 sieve Dry Powdery, no noticeable water Silt 100% passing #200 sieve and > 0.005 mm Moist Damp, below saturation Clay 100% passing #200 sieve and< 0.005 mm Waterbearing Pervious soil below water Wet Saturated, above liquid flmit Gravel Content Standard Penetration Resistance Coarse-Grained Soils Fine-Grained Soils Cohesionless Soils Cohesive Soils %Gravel Descrietion 2-15 A little gravel 16-49 With gravel ' t.WIO Clt:Y t:est:inq =---n . %Gravel Descrietion N-Value Relative Densin( N-Value Consistenci <5 Trace of gravel 0-4 Very loose 0-4 Very soft 5-15 A little gravel 5-10 Loose 5-8 Soft 16-30 With gravel 11-30 Medium dense 9-15 Finn 31-49 Gravelly 31-50 Dense 16-30 Hard > 50 Verv dense >30 Very hard Stork Twin City Testing Corporation is an operating united of Stork Materials Technology B.V., Amsterdam, The Netherlands, which is a member of the Stork group