Loading...
HomeMy WebLinkAboutSR-20 Pedestrian Walkway Project Geotechnical Investigation Report - 2018.01.000 10 20 30 40 50 60 70 80 90 100 0.0010.010.1110 Coarse #60#40 PARTICLE-SIZE ANALYSIS OF SOILS METHOD ASTM D422 14.0 13.6 #20 Fine Coarse SYMBOL Gravel% 3"1-1/2" PE R C E N T F I N E R B Y W E I G H T #4 #200 13.3 7.0 Sand% (SM) Dark gray, silty SAND (SM) Dark gray, silty SAND Fines% 13 13 GRAIN SIZE IN MILLIMETERS 50 SAMPLE 3/4 12/13 15.0 - 21.5 75.0 - 81.5 #10 72.7 79.4 30 CLASSIFICATION OF SOIL- ASTM D2487 Group Symbol and Name U.S. STANDARD SIEVE SIZES SAND 1 0.00050.005 CLAY B1 B2 SILT 3/4" GRAVEL 0.05 5/8" 70 #100 0.5 50 Medium Fine 3/8" 5 PI 90 10 % MC LL PLDEPTH ( ft.) 2012-032 T1100PROJECT NO.: HWAGRSZ 2012-032 T1100.GPJ 12/05/17 FIGURE: Laboratory Testing for PND Engineers SR 20 Project Start: 11/20/2017 Some gravel Minimal gravel Samples 3 and 4 combinedfor sufficient quantity forgradation test. 13.3% gravel,72.7% sand, 14.0% fines. 1 2 3 SILTY SAND (SM)dark gray, moist, medium dense todense, fine, subrounded sand Ss Ss Ss 20-22-23(45) 20-25-25(50) 19-23-28(51) 30 20 60 Date:11/20/2017 1 2 3 4 0.2 0.4 0.6 0.8 Casing Depth, Drilling Rate,Fluid Loss, Drill Pressure,Tests, Instrumentation,Additional InformationDe p t h ( f e e t ) SR 20 PEDESTRIAN WALKWAYCity Of Port TownsendPort Townsend, Washington VANE SHEAR (tsf)Nu m b e r Wa t e r T a b l e Checked:SR Logged By:MMO Data Entry:CK Project No.:164040 POCKET PEN (tsf) Soil Name, Color, MoistureCondition, Relative Density,Soil Structure, Mineralogy,Other Information Northing: 408618 Easting: 1160730 SOIL DESCRIPTION Gr a p h i c Sy m b o l El e v a t i o n (f e e t ) SAMPLES GRAPH COMMENTS Lo c a t i o n Ty p e PenetrationBlows per6/Inch(per foot)* FIGURE B-2.1 '.1 20 40 60 80 BOREHOLE B-1 Re c o v e r y (% ) BLOW COUNT BO R E H O L E L O G S R 2 0 G I N T L O G S . G P J © 2 0 1 7 0.0 2.5 5.0 7.5 10.0 12.5 15.0 17.5 20.0 207.0 204.5 202.0 199.5 197.0 194.5 192.0 189.5 187.0 Samples 3 and 4 combinedfor sufficient quantity forgradation test. 13.3% gravel,72.7% sand, 14.0% fines. *Final 54 blows in only 5" Broken rock fragments,difficult driving*Final 55 blows in only 4" 4 5 6 7 SILTY SAND (SM)dark gray, moist, medium dense todense, fine, subrounded sand SILTY SAND (SM)grayish brown, moist, very dense,fine, subrounded sand Ss Ss Ss Ss 29-36-47(83) 29-37-51(88) 35-41-54(95)* 32-42-55(97)* 80 60 50 50 Date:11/20/2017 1 2 3 4 0.2 0.4 0.6 0.8 Casing Depth, Drilling Rate,Fluid Loss, Drill Pressure,Tests, Instrumentation,Additional InformationDe p t h ( f e e t ) SR 20 PEDESTRIAN WALKWAYCity Of Port TownsendPort Townsend, Washington VANE SHEAR (tsf)Nu m b e r Wa t e r T a b l e Checked:SR Logged By:MMO Data Entry:CK Project No.:164040 POCKET PEN (tsf) Soil Name, Color, MoistureCondition, Relative Density,Soil Structure, Mineralogy,Other Information Northing: 408618 Easting: 1160730 SOIL DESCRIPTION Gr a p h i c Sy m b o l El e v a t i o n (f e e t ) SAMPLES GRAPH COMMENTS Lo c a t i o n Ty p e PenetrationBlows per6/Inch(per foot)* FIGURE B-2.2 '.2 20 40 60 80 BOREHOLE B-1 Re c o v e r y (% ) BLOW COUNT BO R E H O L E L O G S R 2 0 G I N T L O G S . G P J © 2 0 1 7 20.0 22.5 25.0 27.5 30.0 32.5 35.0 37.5 40.0 187.0 184.5 182.0 179.5 177.0 174.5 172.0 169.5 167.0 Broken rock fragments,difficult driving*12-18" blow counts nottaken because 50 blows per6" (refusal) reached *6-12" and 12-18" blowcounts not taken because 50blows per 6" (refusal) reached Hit rock and jammed drill bit. *12-18" blow counts nottaken because 50 blows per6" (refusal) reached No water table encountered.Terminated at: 51.5 ft,11/20/2017 8 9 10 SILTY SAND (SM)grayish brown, moist, very dense,fine, subrounded sand Ss Ss Ss 42-53(95)* 50(100)* 49-50(99)* 30 10 30 Date:11/20/2017 1 2 3 4 0.2 0.4 0.6 0.8 Casing Depth, Drilling Rate,Fluid Loss, Drill Pressure,Tests, Instrumentation,Additional InformationDe p t h ( f e e t ) SR 20 PEDESTRIAN WALKWAYCity Of Port TownsendPort Townsend, Washington VANE SHEAR (tsf)Nu m b e r Wa t e r T a b l e Checked:SR Logged By:MMO Data Entry:CK Project No.:164040 POCKET PEN (tsf) Soil Name, Color, MoistureCondition, Relative Density,Soil Structure, Mineralogy,Other Information Northing: 408618 Easting: 1160730 SOIL DESCRIPTION Gr a p h i c Sy m b o l El e v a t i o n (f e e t ) SAMPLES GRAPH COMMENTS Lo c a t i o n Ty p e PenetrationBlows per6/Inch(per foot)* FIGURE B-2.3 '.3 20 40 60 80 BOREHOLE B-1 Re c o v e r y (% ) BLOW COUNT BO R E H O L E L O G S R 2 0 G I N T L O G S . G P J © 2 0 1 7 40.0 42.5 45.0 47.5 50.0 52.5 55.0 57.5 60.0 167.0 164.5 162.0 159.5 157.0 154.5 152.0 149.5 147.0 Start: 11/20/2017 Minimal gravel 1 SILTY SAND (SM)dark gray, moist, dense, fine,subrounded sand Ss 27-43-51(94)90 Date:11/20/2017 1 2 3 4 0.2 0.4 0.6 0.8 Casing Depth, Drilling Rate,Fluid Loss, Drill Pressure,Tests, Instrumentation,Additional InformationDe p t h ( f e e t ) SR 20 PEDESTRIAN WALKWAYCity Of Port TownsendPort Townsend, Washington VANE SHEAR (tsf)Nu m b e r Wa t e r T a b l e Checked:SR Logged By:MMO Data Entry:CK Project No.:164040 POCKET PEN (tsf) Soil Name, Color, MoistureCondition, Relative Density,Soil Structure, Mineralogy,Other Information Northing: 408604 Easting: 1160962 SOIL DESCRIPTION Gr a p h i c Sy m b o l El e v a t i o n (f e e t ) SAMPLES GRAPH COMMENTS Lo c a t i o n Ty p e PenetrationBlows per6/Inch(per foot)* FIGURE B-3.1 '.1 20 40 60 80 BOREHOLE B-2 Re c o v e r y (% ) BLOW COUNT BO R E H O L E L O G S R 2 0 G I N T L O G S . G P J © 2 0 1 7 0.0 2.5 5.0 7.5 10.0 12.5 15.0 17.5 20.0 204.0 201.5 199.0 196.5 194.0 191.5 189.0 186.5 184.0 Minimal gravel Some gravel*Final 50 blows in only 4" *50 blows in only 5". 6-12"and 12-18" blow counts nottaken because 50 blows per6" (refusal) reached 2 3 4 SILTY SAND (SM)dark gray, moist, dense, fine,subrounded sand SILTY SAND (SM)grayish brown, moist, very dense,fine, subrounded sand Ss Ss Ss 23-38-50(88) 32-47-50(97)* 50(100)* 60 60 20 Date:11/20/2017 1 2 3 4 0.2 0.4 0.6 0.8 Casing Depth, Drilling Rate,Fluid Loss, Drill Pressure,Tests, Instrumentation,Additional InformationDe p t h ( f e e t ) SR 20 PEDESTRIAN WALKWAYCity Of Port TownsendPort Townsend, Washington VANE SHEAR (tsf)Nu m b e r Wa t e r T a b l e Checked:SR Logged By:MMO Data Entry:CK Project No.:164040 POCKET PEN (tsf) Soil Name, Color, MoistureCondition, Relative Density,Soil Structure, Mineralogy,Other Information Northing: 408604 Easting: 1160962 SOIL DESCRIPTION Gr a p h i c Sy m b o l El e v a t i o n (f e e t ) SAMPLES GRAPH COMMENTS Lo c a t i o n Ty p e PenetrationBlows per6/Inch(per foot)* FIGURE B-3.2 '.2 20 40 60 80 BOREHOLE B-2 Re c o v e r y (% ) BLOW COUNT BO R E H O L E L O G S R 2 0 G I N T L O G S . G P J © 2 0 1 7 20.0 22.5 25.0 27.5 30.0 32.5 35.0 37.5 40.0 184.0 181.5 179.0 176.5 174.0 171.5 169.0 166.5 164.0 Some gravel at bottom ofsample*Final 50 blows in only 5".12-18" blow counts not takenbecause 50 blows per 6"(refusal) reached Some medium coarse sand 5 6 7 8 SILTY SAND (SM)grayish brown, moist, very dense,fine, subrounded sand SILTY SAND (SM)grayish brown, moist, dense, fine,subrounded sand Ss Ss Ss Ss 43-46-56(100+) 35-50(85)* 41-44-47(91) 33-39-50(89) 70 50 50 50 Date:11/20/2017 1 2 3 4 0.2 0.4 0.6 0.8 Casing Depth, Drilling Rate,Fluid Loss, Drill Pressure,Tests, Instrumentation,Additional InformationDe p t h ( f e e t ) SR 20 PEDESTRIAN WALKWAYCity Of Port TownsendPort Townsend, Washington VANE SHEAR (tsf)Nu m b e r Wa t e r T a b l e Checked:SR Logged By:MMO Data Entry:CK Project No.:164040 POCKET PEN (tsf) Soil Name, Color, MoistureCondition, Relative Density,Soil Structure, Mineralogy,Other Information Northing: 408604 Easting: 1160962 SOIL DESCRIPTION Gr a p h i c Sy m b o l El e v a t i o n (f e e t ) SAMPLES GRAPH COMMENTS Lo c a t i o n Ty p e PenetrationBlows per6/Inch(per foot)* FIGURE B-3.3 '.3 20 40 60 80 BOREHOLE B-2 Re c o v e r y (% ) BLOW COUNT BO R E H O L E L O G S R 2 0 G I N T L O G S . G P J © 2 0 1 7 40.0 42.5 45.0 47.5 50.0 52.5 55.0 57.5 60.0 164.0 161.5 159.0 156.5 154.0 151.5 149.0 146.5 144.0 *Final 50 blows in only 5" *Final 50 blows in only 5".12-18" blow counts not takenbecause 50 blows per 6"(refusal) reached Samples 12 and 13 combinedfor sufficient quantity forgradation test. 7.0% gravel,79.4% sand, 13.6% fines. 9 10 11 12 SILTY SAND (SM)grayish brown, moist, dense, fine,subrounded sand SILTY SAND (SM)grayish brown, moist, dense to verydense, fine, subrounded sand Ss Ss Ss Ss 36-32-38(70) 35-44-50(94)* 35-50(85)* 46-45-46(91) 50 50 40 70 Date:11/20/2017 1 2 3 4 0.2 0.4 0.6 0.8 Casing Depth, Drilling Rate,Fluid Loss, Drill Pressure,Tests, Instrumentation,Additional InformationDe p t h ( f e e t ) SR 20 PEDESTRIAN WALKWAYCity Of Port TownsendPort Townsend, Washington VANE SHEAR (tsf)Nu m b e r Wa t e r T a b l e Checked:SR Logged By:MMO Data Entry:CK Project No.:164040 POCKET PEN (tsf) Soil Name, Color, MoistureCondition, Relative Density,Soil Structure, Mineralogy,Other Information Northing: 408604 Easting: 1160962 SOIL DESCRIPTION Gr a p h i c Sy m b o l El e v a t i o n (f e e t ) SAMPLES GRAPH COMMENTS Lo c a t i o n Ty p e PenetrationBlows per6/Inch(per foot)* FIGURE B-3.4 '.4 20 40 60 80 BOREHOLE B-2 Re c o v e r y (% ) BLOW COUNT BO R E H O L E L O G S R 2 0 G I N T L O G S . G P J © 2 0 1 7 60.0 62.5 65.0 67.5 70.0 72.5 75.0 77.5 80.0 144.0 141.5 139.0 136.5 134.0 131.5 129.0 126.5 124.0 Samples 12 and 13 combinedfor sufficient quantity forgradation test. 7.0% gravel,79.4% sand, 13.6% fines.*Final 50 blows in only 5.5".12-18" blow counts not takenbecause 50 blows per 6"(refusal) reachedNo water table encountered.Terminated at: 81.5 ft,11/21/2017 13 SILTY SAND (SM)grayish brown, moist, dense to verydense, fine, subrounded sand Ss 33-50(83)*40 Date:11/20/2017 1 2 3 4 0.2 0.4 0.6 0.8 Casing Depth, Drilling Rate,Fluid Loss, Drill Pressure,Tests, Instrumentation,Additional InformationDe p t h ( f e e t ) SR 20 PEDESTRIAN WALKWAYCity Of Port TownsendPort Townsend, Washington VANE SHEAR (tsf)Nu m b e r Wa t e r T a b l e Checked:SR Logged By:MMO Data Entry:CK Project No.:164040 POCKET PEN (tsf) Soil Name, Color, MoistureCondition, Relative Density,Soil Structure, Mineralogy,Other Information Northing: 408604 Easting: 1160962 SOIL DESCRIPTION Gr a p h i c Sy m b o l El e v a t i o n (f e e t ) SAMPLES GRAPH COMMENTS Lo c a t i o n Ty p e PenetrationBlows per6/Inch(per foot)* FIGURE B-3.5 '.5 20 40 60 80 BOREHOLE B-2 Re c o v e r y (% ) BLOW COUNT BO R E H O L E L O G S R 2 0 G I N T L O G S . G P J © 2 0 1 7 80.0 82.5 85.0 87.5 90.0 92.5 95.0 97.5 100.0 124.0 121.5 119.0 116.5 114.0 111.5 109.0 106.5 104.0