HomeMy WebLinkAbout20150389 Ver 1_Div7_GEO_BRDG0101_Summit_RevInventory_20150423NOTES:
REVISED
ROCK DESCRIPTION
ROCK (W R)
WEATHERED
ROCK (CR)
CRYSTALLINE
ROCK (NCR)
NON-CRYSTALLINE
(CP)
SEDIM ENTARY ROCK
COASTAL PLAIN
VERY HARD
HARD
SOFT
ROCK HARDNESS
FRACTURE SPACING BEDDING
THINLY LAMINATED
THICKLY LAMINATED
VERY THINLY BEDDED
THINLY BEDDED
THICKLY BEDDED
VERY THICKLY BEDDED
< 0.008 FEET
0.008 - 0.03 FEET
0.03 - 0.16 FEET
0.16 - 1.5 FEET
1.5 - 4 FEET
> 4 FEET
INDURATION
FRIABLE
MODERATELY INDURATED
INDURATED
EXTREMELY INDURATED
COMPLETE
GNEISS, GABBRO, SCHIST, ETC.
W OULD YIELD SPT REFUSAL IF TESTED. ROCK TYPE INCLUDES GRANITE,
FINE TO COARSE GRAIN IGNEOUS AND METAMORPHIC ROCK THAT
INCLUDES PHYLLITE, SLATE, SANDSTONE, ETC.
SEDIMENTARY ROCK THAT WOULD YEILD SPT REFUSAL IF TESTED. ROCK TYPE
FINE TO COARSE GRAIN METAMORPHIC AND NON-COASTAL PLAIN
SHELL BEDS, ETC.
SPT REFUSAL. ROCK TYPE INCLUDES LIMESTONE, SANDSTONE, CEMENTED
COASTAL PLAIN SEDIMENTS CEMENTED INTO ROCK, BUT MAY NOT YIELD
(SEV.)
SEVERE
(M OD. SEV.)
SEVERE
M ODERATELY
(MOD.)
MODERATE
W ITH FRESH ROCK.
DULL SOUND UNDER HAMMER BLOWS AND SHOWS SIGNIFICANT LOSS OF STRENGTH AS COMPARED
GRANITOID ROCKS, M OST FELDSPARS ARE DULL AND DISCOLORED, SOM E SHOW CLAY. ROCK HAS
SIGNIFICANT PORTIONS OF ROCK SHOW DISCOLORATION AND W EATHERING EFFECTS. IN
(SLI.)
SLIGHT
CRYSTALS ARE DULL AND DISCOLORED. CRYSTALLINE ROCKS RING UNDER HAMMER BLOWS.
1 INCH. OPEN JOINTS MAY CONTAIN CLAY. IN GRANITOID ROCKS SOME OCCASIONAL FELDSPAR
ROCK GENERALLY FRESH, JOINTS STAINED AND DISCOLORATION EXTENDS INTO ROCK UP TO
FRESH
HAM MER IF CRYSTALLINE.
ROCK FRESH, CRYSTALS BRIGHT, FEW JOINTS MAY SHOW SLIGHT STAINING. ROCK RINGS UNDER
VERY CLOSE
CLOSE
M ODERATELY CLOSE
W IDE
VERY WIDE
LESS THAN 0.16 FEET
0.16 TO 1 FEET
1 TO 3 FEET
3 TO 10 FEET
MORE THAN 10 FEET
HARD
MODERATELY
HARD
M EDIUM
SOFT
VERY
TO DETACH HAND SPECIMEN.
CAN BE SCRATCHED BY KNIFE OR PICK ONLY WITH DIFFICULTY. HARD HAMMER BLOWS REQUIRED
PIECES CAN BE BROKEN BY FINGER PRESSURE.
FROM CHIPS TO SEVERAL INCHES IN SIZE BY M ODERATE BLOW S OF A PICK POINT. SMALL, THIN
CAN BE GROVED OR GOUGED READILY BY KNIFE OR PICK. CAN BE EXCAVATED IN FRAGMENTS
FINGERNAIL.
OR M ORE IN THICKNESS CAN BE BROKEN BY FINGER PRESSURE. CAN BE SCRATCHED READILY BY
CAN BE CARVED WITH KNIFE. CAN BE EXCAVATED READILY W ITH POINT OF PICK. PIECES 1 INCH
GENTLE BLOW BY HAM MER DISINTEGRATES SAMPLE.
RUBBING WITH FINGER FREES NUMEROUS GRAINS;
BREAKS EASILY WHEN HIT WITH HAMMER.
GRAINS CAN BE SEPARATED FROM SAMPLE W ITH STEEL PROBE;
DIFFICULT TO BREAK W ITH HAMMER.
GRAINS ARE DIFFICULT TO SEPARATE W ITH STEEL PROBE;
SAMPLE BREAKS ACROSS GRAINS.
SHARP HAMMER BLOWS REQUIRED TO BREAK SAMPLE;
W EATHERING
ALSO AN EXAMPLE.
SCATTERED CONCENTRATIONS. QUARTZ MAY BE PRESENT AS DIKES OR STRINGERS. SAPROLITE IS
ROCK REDUCED TO SOIL. ROCK FABRIC NOT DISCERNIBLE, OR DISCERNIBLE ONLY IN SMALL AND
FOR SEDIM ENTARY ROCKS, INDURATION IS THE HARDENING OF THE MATERIAL BY CEM ENTING, HEAT, PRESSURE, ETC.
IF TESTED, WOULD YIELD SPT REFUSAL
AND CAN BE EXCAVATED WITH A GEOLOGIST'S PICK. ROCK GIVES "CLUNK" SOUND WHEN STRUCK.
AND DISCOLORED AND A MAJORITY SHOW KAOLINIZATION. ROCK SHOWS SEVERE LOSS OF STRENGTH
ALL ROCK EXCEPT QUARTZ DISCOLORED OR STAINED. IN GRANITOID ROCKS, ALL FELDSPARS DULL
TERM S AND DEFINITIONS
09/23/09
SLIP PLANE.
SLICKENSIDE - POLISHED AND STRIATED SURFACE THAT RESULTS FROM FRICTION ALONG A FAULT OR
INTERVENING IMPERVIOUS STRATUM.
PERCHED WATER - WATER MAINTAINED ABOVE THE NORMAL GROUND W ATER LEVEL BY THE PRESENCE OF AN
SOILS USUALLY INDICATES POOR AERATION AND LACK OF GOOD DRAINAGE.
M OTTLED (MOT.) - IRREGULARLY MARKED WITH SPOTS OF DIFFERENT COLORS. MOTTLING IN
LENS - A BODY OF SOIL OR ROCK THAT THINS OUT IN ONE OR MORE DIRECTIONS.
ITS LATERAL EXTENT.
LEDGE - A SHELF-LIKE RIDGE OR PROJECTION OF ROCK W HOSE THICKNESS IS SMALL COMPARED TO
JOINT - FRACTURE IN ROCK ALONG WHICH NO APPRECIABLE MOVEMENT HAS OCCURRED.
PARENT MATERIAL.
FLOAT - ROCK FRAGM ENTS ON SURFACE NEAR THEIR ORIGiNAL POSITION AND DISLODGED FROM
FISSILE - A PROPERTY OF SPLITTING ALONG CLOSELY SPACED PARALLEL PLANES.
SIDES RELATIVE TO ONE ANOTHER PARALLEL TO THE FRACTURE.
FAULT - A FRACTURE OR FRACTURE ZONE ALONG WHICH THERE HAS BEEN DISPLACEM ENT OF THE
THE LINE OF DIP, MEASURED CLOCKW ISE FROM NORTH.
DIP DIRECTION (DIP AZIMUTH) - THE DIRECTION OR BEARING OF THE HORIZONTAL TRACE OF
HORIZONTAL.
DIP - THE ANGLE AT WHICH A STRATUM OR ANY PLANAR FEATURE IS INCLINED FROM THE
ROCKS OR CUTS MASSIVE ROCK.
DIKE - A TABULAR BODY OF IGNEOUS ROCK THAT CUTS ACROSS THE STRUCTURE OF ADJACENT
CALCAREOUS (CALC.) - SOILS THAT CONTAIN APPRECIABLE AMOUNTS OF CALCIUM CARBONATE.
OR HAVING A NOTABLE PROPORTION OF CLAY IN THEIR COMPOSITION, AS SHALE, SLATE, ETC.
ARGILLACEOUS - APPLIED TO ALL ROCKS OR SUBSTANCES COMPOSED OF CLAY MINERALS,
ARENACEOUS - APPLIED TO ROCKS THAT HAVE BEEN DERIVED FROM SAND OR THAT CONTAIN SAND.
AQUIFER - A WATER BEARING FORM ATION OR STRATA.
OF SLOPE.
COLLUVIUM - ROCK FRAGMENTS MIXED W ITH SOIL DEPOSITED BY GRAVITY ON SLOPE OR AT BOTTOM
TERM SPACING THICKNESSTERM
BENCH M ARK:
ELEVATION:
THE FIELD.
FORM ATION (FM.) - A MAPPABLE GEOLOGIC UNIT THAT CAN BE RECOGNIZED AND TRACED IN
IN NON-COASTAL PLAIN MATERIAL, THE TRANSITION BETWEEN SOIL AND ROCK IS OFTEN REPRESENTED BY A ZONE
ROCK LINE INDICATES THE LEVEL AT WHICH NON-COASTAL PLAIN MATERIAL WOULD YIELD SPT REFUSAL.
SPT REFUSAL IS PENETRATION BY A SPLIT SPOON SAM PLER EQUAL TO OR LESS THAN 0.1 FOOT PER 60 BLOWS.
OF WEATHERED ROCK.
ROCK M ATERIALS ARE TYPICALLY DIVIDED AS FOLLOWS:
IF TESTED, YIELDS SPT N VALUES < 100 BPFVESTIGES OF THE ORIGINAL ROCK FABRIC REMAIN.
REM AINING. SAPROLITE IS AN EXAMPLE OF ROCK WEATHERED TO A DEGREE SUCH THAT ONLY M INOR
THE M ASS IS EFFECTIVELY REDUCED TO SOIL STATUS, WITH ONLY FRAGM ENTS OF STRONG ROCK
ALL ROCK EXCEPT QUARTZ DISCOLORED OR STAINED. ROCK FABRIC ELEMENTS ARE DISCERNIBLE BUT
LENGTH OF CORE RUN AND EXPRESSED AS A PERCENTAGE.
CORE RECOVERY (REC.) - TOTAL LENGTH OF ALL MATERIAL RECOVERED IN THE CORE BARREL DIVIDED BY TOTAL
OF STRATUM AND EXPRESSED AS A PERCENTAGE.
STRATA CORE RECOVERY (SREC.) - TOTAL LENGTH OF STRATA MATERIAL RECOVERED DIVIDED BY TOTAL LENGTH
NORTH CAROLINA DEPARTMENT OF TRANSPORTATION
DIVISION OF HIGHWAYS
GEOTECHNICAL ENGINEERING UNIT
SOIL AND ROCK LEGEND, TERMS, SYMBOLS, AND ABBREVIATIONS
HARD ROCK IS NON-COASTAL PLAIN MATERIAL THAT IF TESTED, WOULD YIELD SPT REFUSAL. AN INFERRED
(V SLI.)
VERY SLIGHT
IF TESTED, YIELDS SPT N VALUES > 100 BPF
EXTENT. SOME FRAGM ENTS OF STRONG ROCK USUALLY REM AIN.
IN STRENGTH TO STRONG SOIL. IN GRANITOID ROCKS ALL FELDSPARS ARE KAOLINIZED TO SOME
ALL ROCK EXCEPT QUARTZ DISCOLORED OR STAINED. ROCK FABRIC CLEAR AND EVIDENT BUT REDUCED
(V SEV.)
VERY SEVERE
GROUND SURFACE.
AT WHICH IT IS ENCOUNTERED, BUT WHICH DOES NOT NECESSARILY RISE TO OR ABOVE THE
ARTESIAN - GROUND WATER THAT IS UNDER SUFFICIENT PRESSURE TO RISE ABOVE THE LEVEL
THE STREAM.
FLOOD PLAIN (FP) - LAND BORDERING A STREAM , BUILT OF SEDIM ENTS DEPOSITED BY
EXPRESSED AS A PERCENTAGE.
ROCK SEGM ENTS EQUAL TO OR GREATER THAN 4 INCHES DIVIDED BY THE TOTAL LENGTH OF CORE RUN AND
ROCK QUALITY DESIGNATION (RQD) - A M EASURE OF ROCK QUALITY DESCRIBED BY TOTAL LENGTH OF
TO THE BEDDING OR SCHISTOSITY OF THE INTRUDED ROCKS.
RELATIVELY THIN COM PARED WITH ITS LATERAL EXTENT, THAT HAS BEEN EMPLACED PARALLEL
SILL - AN INTRUSIVE BODY OF IGNEOUS ROCK OF APPROXIM ATELY UNIFORM THICKNESS AND
STRATA ROCK QUALITY DESIGNATION (SRQD) - A M EASURE OF ROCK QUALITY DESCRIBED BY
TOTAL LENGTH OF STRATA AND EXPRESSED AS A PERCENTAGE.
TOTAL LENGTH OF ROCK SEGMENTS WITHIN A STRATUM EQUAL TO OR GREATER THAN 4 INCHES DIVIDED BY THE
TOPSOIL (TS.) - SURFACE SOILS USUALLY CONTAINING ORGANIC MATTER.
See "Notes"
FT.
OF A CRYSTALLINE NATURE.
CRYSTALS ON A BROKEN SPECIMEN FACE SHINE BRIGHTLY. ROCK RINGS UNDER HAMMER BLOWS IF
ROCK GENERALLY FRESH, JOINTS STAINED, SOME JOINTS MAY SHOW THIN CLAY COATINGS IF OPEN,
BY M ODERATE BLOW S.
EXCAVATED BY HARD BLOW OF A GEOLOGIST'S PICK. HAND SPECIM ENS CAN BE DETACHED
CAN BE SCRATCHED BY KNIFE OR PICK. GOUGES OR GROOVES TO 0.25 INCHES DEEP CAN BE
SEVERAL HARD BLOWS OF THE GEOLOGIST'S PICK.
CANNOT BE SCRATCHED BY KNIFE OR SHARP PICK. BREAKING OF HAND SPECIM ENS REQUIRES
POINT OF A GEOLOGIST'S PICK.
CAN BE EXCAVATED IN SMALL CHIPS TO PEICES 1 INCH MAXIM UM SIZE BY HARD BLOWS OF THE
CAN BE GROOVED OR GOUGED 0.05 INCHES DEEP BY FIRM PRESSURE OF KNIFE OR PICK POINT.
ALLUVIUM (ALLUV.) - SOILS THAT HAVE BEEN TRANSPORTED BY WATER.
PARENT ROCK.
SAPROLITE (SAP.) - RESIDUAL SOIL THAT RETAINS THE RELIC STRUCTURE OR FABRIC OF THE
SHEET NO.
17BP.7.R.63 2A
PROJECT REFERENCE NO.
BLOW S PER FOOT IF TESTED.
NON-COASTAL PLAIN M ATERIAL THAT WOULD YIELD SPT N VALUES > 100
RESIDUAL (RES.) SOIL - SOIL FORMED IN PLACE BY THE WEATHERING OF ROCK.
THAN 0.1 FOOT PER 60 BLOWS.
A 2 INCH OUTSIDE DIAMETER SPLIT SPOON SAMPLER. SPT REFUSAL IS PENETRATION EQUAL TO OR LESS
A 140 LB. HAM MER FALLING 30 INCHES REQUIRED TO PRODUCE A PENETRATION OF 1 FOOT INTO SOIL W ITH
STANDARD PENETRATION TEST (PENETRATION RESISTANCE) (SPT) - NUM BER OF BLOWS (N OR BPF) OF
Elevation determ ined using the TIN file (670101_ls_tnl.tin)
F.I.A.D. = Filled In After Drilling
SOIL DESCRIPTION
SOIL LEGEND AND AASHTO CLASSIFICATION
CONSISTENCY OR DENSENESS
TEXTURE OR GRAIN SIZE
SOIL M OISTURE - CORRELATION OF TERM S
PLASTICITY
COLOR
SYMBOL
CLASS.
GENERAL
CLASS.
GROUP
# 200
# 40
# 10
% PASSING
PLASTIC INDEX
LIQUID LIMIT
GROUP INDEX
MATERIALS
OF MAJOR
USUAL TYPES
SUBGRADE
AS A
GEN. RATING
ORGANIC MATERIALS
A-1 A-3 A-2 A-4 A-5 A-6 A-7
A-3
A-1, A-2
A-6, A-7
A-4, A-5
A-1-a A-1-b A-2-4 A-2-5 A-2-6 A-2-7 A-7-6
A-7-5
SOILS
GRANULAR
SOILS
CLAY
SILT-
PEAT
M UCK,
SAND
FINE
GRAVEL AND SAND
SILTY OR CLAYEY
SOILS
SILTY
SOILS
CLAYEY
M ATTER
ORGANIC
AMOUNTS OF
M ODERATE
LITTLE OR
SOILS W ITH
SOILS
ORGANIC
HIGHLY
EXCELLENT TO GOOD FAIR TO POOR
POOR
FAIR TO
POOR UNSUITABLE
PRIM ARY SOIL TYPE
CONSISTENCY
COM PACTNESS OR
2
MATERIAL
GRANULAR
GENERALLY
MATERIAL
SILT-CLAY
GENERALLY
VERY DENSE
DENSE
M EDIUM DENSE
LOOSE
VERY LOOSE
HARD
VERY STIFF
STIFF
M EDIUM STIFF
SOFT
VERY SOFT
N/A
>30
15 TO 30
8 TO 15
4 TO 8
2 TO 4
<2
OPENING (MM)
U.S. STD. SIEVE SIZE
FINE
SAND
COARSE
SAND
BOULDER COBBLE GRAVEL SILT CLAY
GRAIN
SIZE
M M
IN.
0.25
(ATTERBERG LIMITS)
SOIL MOISTURE SCALE
DESCRIPTION
FIELD MOISTURE
GUIDE FOR FIELD MOISTURE DESCRIPTION
(PI)
RANGE
PLASTIC
LL
PL
OM
SL
LIQUID LIMIT
PLASTIC LIMIT
OPTIMUM M OISTURE
SHRINKAGE LIMIT
(SAT.)
- SATURATED -
- WET - (W)
- MOIST - (M )
- DRY - (D)
FROM BELOW THE GROUND WATER TABLE
USUALLY LIQUID; VERY WET, USUALLY
ATTAIN OPTIM UM M OISTURE
SEMISOLID; REQUIRES DRYING TO
SOLID; AT OR NEAR OPTIMUM M OISTURE
ATTAIN OPTIM UM MOISTURE
REQUIRES ADDITIONAL W ATER TO
DRY STRENGTH
HIGH PLASTICITY
MED. PLASTICITY
LOW PLASTICITY
NONPLASTIC
26 OR M ORE
16-25
6-15
0-5
HIGH
M EDIUM
SLIGHT
VERY LOW
GRADATION
POORLY GRADED)
ANGULARITY OF GRAINS
SUBANGULAR, SUBROUNDED, OR ROUNDED.
M INERALOGICAL COM POSITION
COM PRESSIBILITY
HIGHLY COM PRESSIBLE
MODERATELY COMPRESSIBLE
SLIGHTLY COM PRESSIBLE
GROUND W ATER
EQUIPM ENT USED ON SUBJECT PROJECT
UNIFORM - INDICATES THAT SOIL PARTICLES ARE ALL APPROXIMATELY THE SAM E SIZE. (ALSO
0.005
40
0.42
0.25
60 200
270
4.76
4 10
2.00 0.075 0.053
(TONS/FT )
COM PRESSIVE STRENGTH
RANGE OF UNCONFINED
<0.25
0.25 TO 0.50
2 TO 4
>4
1 TO 2
0.052.0
(N-VALUE)
PENETRATION RESISTENCE
RANGE OF STANDARD
PLASTICITY INDEX (PI)
MODIFIERS SUCH AS LIGHT, DARK, STREAKED, ETC. ARE USED TO DESCRIBE APPEARANCE.
(F SD.)
(BLDR.)(COB.)(GR.)(CSE. SD.)
(SL.)(CL.)
(NON-COHESIVE)
(COHESIVE)
M ISCELLANEOUS SYM BOLS
PERCENTAGE OF M ATERIAL
HIGHLY
SOME
LITTLE
TRACE
35% AND ABOVE
20 - 35%
10 - 20%
1 - 10%
OTHER M ATERIAL
>10%
5 - 10%
3 - 5%
2 - 3%
SOILS
GRANULAR
HIGHLY ORGANIC
MODERATELY ORGANIC
LITTLE ORGANIC MATTER
TRACE OF ORGANIC M ATTER
ORGANIC MATERIAL
ABBREVIATIONS
W ATER LEVEL IN BORE HOLE IM MEDIATELY AFTER DRILLING
PW
WHENEVER THEY ARE CONSIDERED OF SIGNIFICANCE.
MINERAL NAMES SUCH AS QUARTZ, FELDSPAR, MICA, TALC, KAOLIN, ETC. ARE USED IN DESCRIPTIONS
REVISED 09/23/09
SHEET NO.
17BP.7.R.63 2
NORTH CAROLINA DEPARTMENT OF TRANSPORTATION
DIVISION OF HIGHWAYS
GEOTECHNICAL ENGINEERING UNIT
SOIL AND ROCK LEGEND, TERMS, SYMBOLS, AND ABBREVIATIONS
VERY STIFF, GRAY, SILTY CLAY, MOIST WITH INTERBEDDED FINE SAND LAYERS, HIGHLY PLASTIC, A-7-6
( 35% PASSING #200)
GRANULAR MATERIALS
( 35% PASSING #200)
SILT-CLAY MATERIALS
15 MX
30 MX
50 MX
25 M X
50 M X
10 MX
51 MN
35 MX 35 MX 35 MX 35 MX 36 MN 36 MN 36 MN 36 MN
6 MX 10 MX
40 MX
10 MX
41 MN
11 MN
40 M X
11 MN
41 MN
10 MX
41 MN
11 MN
41 MN
11 MN
40 MX
10 MX
40 MX
0 0 0 4 M X 8 MX 12 MX 16 MX No MX
NP
SAND
GRAVEL, AND
STONE FRAGS.
PI OF A-7-5 SUBGROUP IS LL - 30 ; PI OF A-7-6 SUBGROUP IS LL - 30
0.5 TO 1.0
75
3
305
12
WELL GRADED - INDICATES A GOOD REPRESENTATION OF PARTICLE SIZES FROM FINE TO COARSE.
GAP-GRADED - INDICATES A MIXTURE OF UNIFORM PARTICLES OF TWO OR MORE SIZES.
THE ANGULARITY OR ROUNDNESS OF SOIL GRAINS IS DESIGNATED BY THE TERM S ANGULAR,
>20%
12 - 20%
5 - 12%
3 - 5%
SOILS
SILT - CLAY
24STATIC WATER LEVEL AFTER HOURS
PERCHED W ATER, SATURATED ZONE, OR W ATER BEARING STRATA
SPRING OR SEEP
HAMMER TYPE:
AUTOMATIC MANUAL
ADVANCING TOOLS:
CLAY BITS
6" CONTINUOUS FLIGHT AUGER
8" HOLLOW AUGERS
HARD FACED FINGER BITS
TUNG.-CARBIDE INSERTS
CASING
TRICONE
TRICONE
CORE BIT
W/ ADVANCER
" STEEL TEETH
" TUNG.-CARB.
CORE SIZE:
-B
-N
-H
HAND TOOLS:
POST HOLE DIGGER
HAND AUGER
SOUNDING ROD
VANE SHEAR TEST
DRILL UNITS:
MOBILE B-
BK-51
CM E-550
PORTABLE HOIST
CME-45C
DESCRIPTIONS M AY INCLUDE COLOR OR COLOR COM BINATIONS (TAN, RED, YELLOW-BROWN, BLUE-GRAY).
AS M INERALOGICAL COMPOSITION, ANGULARITY, STRUCTURE, PLASTICITY, ETC. EXAMPLE:
CONSISTENCY, COLOR, TEXTURE, MOISTURE, AASHTO CLASSIFICATION, AND OTHER PERTINENT FACTORS SUCH
CLASSIFICATION IS BASED ON THE AASHTO SYSTEM. BASIC DESCRIPTIONS GENERALLY SHALL INCLUDE:
100 BLOWS PER FOOT ACCORDING TO STANDARD PENETRATION TEST (AASHTO T206, ASTM D-1586). SOIL
THAT CAN BE PENETRATED WITH A CONTINUOUS FLIGHT POW ER AUGER, AND YIELD LESS THAN
SOIL IS CONSIDERED TO BE THE UNCONSOLIDATED, SEMI-CONSOLIDATED, OR WEATHERED EARTH MATERIALS
PROJECT REFERENCE NO.
LIQUID LIMIT GREATER THAN 50
LIQUID LIMIT EQUAL TO 31-50
LIQUID LIMIT LESS THAN 31
x
Diedrich D-50
x
x
x
2 •
x
x
x Q2
>50
30 TO 50
10 TO 30
4 TO 10
<4 SOIL SYM BOL
INFERRED SOIL BOUNDARY
TEST BORING
AUGER BORING
CORE BORING
INSTALLATION
PIEZOMETER
INSTALLATION
SLOPE INDICATOR
L
L
L
M ONITORING WELL
MW
SPT
DPT
VST
DMT
PMT
ALLUVIAL SOIL BOUNDARY
INFERRED ROCK LINE
SPT N-VALUE
SPT REFUSALREF
SOUNDING ROD
25/025
ROCK STRUCTURES
DIP & DIP DIRECTION OF
WITH SOIL DESCRIPTION
ROADWAY EMBANKMENT (RE)
THAN ROADWAY EMBANKM ENT
ARTIFICIAL FILL (AF) OTHER
CONE PENETROM ETER TEST
CL. - CLAY
CSE. - COARSE
FOSS. - FOSSILIFEROUS
M ED. - MEDIUM
- MOISTURE CONTENT
SL. - SILT, SILTY
SLI. - SLIGHTLY
TCR - TRICONE REFUSAL
BT - BORING TERM INATED
FRAGS. - FRAGMENTS
VST - VANE SHEAR TEST
DPT - DYNAMIC PENETRATION TEST
CPT - CONE PENETRATION TEST
DM T - DILATOMETER TEST PMT - PRESSUREMETER TEST
SD. - SAND, SANDYe -VOID RATIO
M ICA. - M ICACEOUS
M OD. - MODERATELY
NP - NON PLASTIC
SAP. - SAPROLITIC
d - DRY UNIT WEIGHT
- UNIT WEIGHT
AR - AUGER REFUSAL
F - FINE
V - VERY
w
FRAC. - FRACTURED, FRACTURES
WEA. - WEATHERED
ORG. - ORGANIC
HI. - HIGHLY
SAMPLE ABBREVIATIONS
SS - SPLIT SPOON
S - BULK
ST - SHELBY TUBE
RS - ROCK
RT - RECOMPACTED TRIAXIAL
RATIO
CBR - CALIFORNIA BEARING
W / CORE
TEST BORING
x
NC GRID
NAD 83/NSRS 2007
STATE STATE PROJECT REFERENCE NO.NO.
TOTAL
SHEETS
N.C.
SHEET
3
17BP.7.R.23 16
Bridge 101, O range County
SITE PLAN
SCALE 30:1
12+00
13+00
RS-2
EB2-A
EB2-B
EB1-BEB1-A
RS-3
RS-1
STONEY CREEK
S
R
17
2
3
N
E
W
H
O
P
E
C
H
U
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C
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.
(FEET)HORIZ. SCALE0
SHEET PROJECT REFERENCE NO.
470460 480 490
4
7
0
4
8
0
4
9
0
CL
1020VE = 1 : 1CROSS SECTION @ 12+29.6
17BP.7.R.63 (Bridge 101)4
borings with both projected onto the bent line.culvert bent line. Interpreted stratigraphy was dr
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(FEET)HORIZ. SCALE0
SHEET PROJECT REFERENCE NO.
CL
480470460 490 500
4
8
0
4
7
0
4
9
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borings with both projected onto the bent line.culvert bent line. Interpreted stratigraphy was drawn betw
e
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*Note: Cross section cut using Geopak along the proposed 1020VE = 1 : 1CROSS SECTION @ 12+64.4
5 17BP.7.R.63 (Bridge 101)
E
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2
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477.1
472.1
4.7
9.7
0.0
7.5
9.7
16.0
474.3
472.1
465.8
481.8
ROADWAY EMBANKMENT
Red-orange to orange-brown, CLAY (A-7) w/
rock fragments
WEATHERED ROCK
(Felsic Metavolcanic)
CRYSTALLINE ROCK
(Felsic Metavolcanic)
Boring Terminated at Elevation 465.8 ft In
Crystalline Rock (Felsic Metavolcanic)
WOH 13
60/0.0
SHEET 6
485
DRIVE
ELEV
(ft)
DEPTH
(ft)DEPTH (ft)
BORELOG REPORT
SOIL AND ROCK DESCRIPTION
L
O
G
SAMP.
NO.MOI ELEV. (ft)
BLOW COUNT
0.5ft 0.5ft0.5ft
BLOWS PER FOOT
25 50 750 100
OFFSET 13 ft LT ALIGNMENT N/A
EASTING 1,982,085
N/A
Dry
SITE DESCRIPTION Bridge No. 101 over Stoney Creek on New Hope Church Rd. (SR 1723)
BORING NO.EB1-A
GROUND WTR (ft)
TOTAL DEPTH 16.0 ft
NCDOT GEOTECHNICAL ENGINEERING UNIT
SURFACE WATER DEPTH N/ACOMP. DATE 05/01/12START DATE 05/01/12
GEOLOGIST B. SMITH
STATION 12+19
COLLAR ELEV.481.8 ft
0 HR.
24 HR.NORTHING 828,739
DRILLER J. BARE
DRILL RIG/HAMMER EFF./DATE SUM0093 DIEDRICH D-50 86% 08/15/2013 DRILL METHOD NW Casing w/ Advancer HAMMER TYPE Automatic
TIP N/AWBS17BP.7.R.63 COUNTY ORANGE
ELEV
(ft)
485
480
475
470
NC
D
O
T
B
O
R
E
S
I
N
G
L
E
O
R
A
N
G
E
_
B
R
1
0
1
_
G
E
O
_
B
R
D
G
0
1
0
1
_
G
I
N
T
.
G
P
J
N
C
_
D
O
T
.
G
D
T
6
/
1
9
/
1
4
W
GROUND SURFACE
1
60/0.0
9.7
16.0
CRYSTALLINE ROCKGreen-gray to light gray, slightly weathered, hard,
close fractured, crystalline rock (felsic metavolcanic) w/ Fe staining along
healed fractures
Boring Terminated at Elevation 465.8 ft In Crystalline Rock (Felsic
Metavolcanic)
472.1
465.8
(0.0)
0%
(3.5)
70%
1.3
5.0
(1.2)
92%
(4.1)
82%
9.711.0
16.0
472.1470.8
465.8
(3.5)
56%
(5.3)
84%
N=60/0.03:59/1.3
3:46/1.03:26/1.04:09/1.08:43/1.0
4:25/1.0
SHEET 7
DEPTH (ft)
CORE BORING REPORT
CORE SIZE NQ2 TOTAL RUN 6.3 ft
Begin Coring @ 9.7 ft
DESCRIPTION AND REMARKS
L
O
G
SAMP.
NO.RQD(ft)%
RUN
(ft)REC.(ft)%
DEPTH
(ft)
RUN STRATA
ELEV. (ft)
RUN
ELEV
(ft)
RQD(ft)%
472.1
REC.(ft)%
DRILL
RATE
(Min/ft)
OFFSET 13 ft LT ALIGNMENT N/A
EASTING 1,982,085
N/A
Dry
SITE DESCRIPTION Bridge No. 101 over Stoney Creek on New Hope Church Rd. (SR 1723)
BORING NO.EB1-A
GROUND WTR (ft)
TOTAL DEPTH 16.0 ft
NCDOT GEOTECHNICAL ENGINEERING UNIT
SURFACE WATER DEPTH N/ACOMP. DATE 05/01/12START DATE 05/01/12
GEOLOGIST B. SMITH
STATION 12+19
COLLAR ELEV.481.8 ft
0 HR.
24 HR.NORTHING 828,739
DRILLER J. BARE
DRILL RIG/HAMMER EFF./DATE SUM0093 DIEDRICH D-50 86% 08/15/2013 DRILL METHOD NW Casing w/ Advancer HAMMER TYPE Automatic
TIP N/AWBS17BP.7.R.63 COUNTY ORANGE
ELEV
(ft)
470
NC
D
O
T
C
O
R
E
S
I
N
G
L
E
O
R
A
N
G
E
_
B
R
1
0
1
_
G
E
O
_
B
R
D
G
0
1
0
1
_
G
I
N
T
.
G
P
J
N
C
_
D
O
T
.
G
D
T
6
/
1
9
/
1
4
17BP.7.R.63 (Br. 101, Orange Co.) Sheet 8
CORE PHOTOGRAPHS
EB1-A
BOX 1: 9.7 - 11.0 FEET
9.7 11.0
16.0
FEET
0 1 2
478.1
473.1
4.3
9.3
0.0
8.2
9.4
474.2
473.0
482.4
ROADWAY EMBANKMENT
Orange-brown to red-brown, SILTY CLAY
(A-7-6), w/ some organics
WEATHERED ROCK
(Felsic Metavolcanic)
Boring Terminated with Standard
Penetration Test Refusal at Elevation 473.0
ft On Crystalline Rock (Felsic Metavolcanic)
8 22
60/0.1
SHEET 9
485
DRIVE
ELEV
(ft)
DEPTH
(ft)DEPTH (ft)
BORELOG REPORT
SOIL AND ROCK DESCRIPTION
L
O
G
SAMP.
NO.MOI ELEV. (ft)
BLOW COUNT
0.5ft 0.5ft0.5ft
BLOWS PER FOOT
2550750 100
OFFSET 11 ft RT ALIGNMENT N/A
EASTING 1,982,110
7.2
Caved
SITE DESCRIPTION Bridge No. 101 over Stoney Creek on New Hope Church Rd. (SR 1723)
BORING NO.EB1-B
GROUND WTR (ft)
TOTAL DEPTH 9.4 ft
NCDOT GEOTECHNICAL ENGINEERING UNIT
SURFACE WATER DEPTH N/ACOMP. DATE 05/01/12START DATE 05/01/12
GEOLOGIST B. SMITH
STATION 12+18
COLLAR ELEV.482.4 ft
0 HR.
24 HR.NORTHING 828,739
DRILLER J. BARE
DRILL RIG/HAMMER EFF./DATE SUM0093 DIEDRICH D-50 86% 08/15/2013 DRILL METHOD NW Casing W/SPT & Core HAMMER TYPE Automatic
TIP N/AWBS17BP.7.R.63 COUNTY ORANGE
ELEV
(ft)
485
480
475
NC
D
O
T
B
O
R
E
S
I
N
G
L
E
O
R
A
N
G
E
_
B
R
1
0
1
_
G
E
O
_
B
R
D
G
0
1
0
1
_
G
I
N
T
.
G
P
J
N
C
_
D
O
T
.
G
D
T
6
/
1
9
/
1
4
W
GROUND SURFACE
10
60/0.1
476.9
471.9
4.7
9.7
0.0
7.3
9.8
15.6
474.3
471.8
466.0
481.6
ROADWAY EMBANKMENT
Brown, SILTY CLAY (A-7-6) w/ trace fine
sand
WEATHERED ROCK
(Felsic Metavolcanic)
CRYSTALLINE ROCK
(Felsic Metavolcanic)
Boring Terminated at Elevation 466.0 ft In
Crystalline Rock (Felsic Metavolcanic)
0 13
60/0.0
SHEET 10
485
DRIVE
ELEV
(ft)
DEPTH
(ft)DEPTH (ft)
BORELOG REPORT
SOIL AND ROCK DESCRIPTION
L
O
G
SAMP.
NO.MOI ELEV. (ft)
BLOW COUNT
0.5ft 0.5ft0.5ft
BLOWS PER FOOT
2550750 100
OFFSET 12 ft LT ALIGNMENT N/A
EASTING 1,982,083
8.0
Caved
SITE DESCRIPTION Bridge No. 101 over Stoney Creek on New Hope Church Rd. (SR 1723)
BORING NO.EB2-A
GROUND WTR (ft)
TOTAL DEPTH 15.6 ft
NCDOT GEOTECHNICAL ENGINEERING UNIT
SURFACE WATER DEPTH N/ACOMP. DATE 05/01/12START DATE 05/01/12
GEOLOGIST B. SMITH
STATION 12+77
COLLAR ELEV.481.6 ft
0 HR.
24 HR.NORTHING 828,797
DRILLER J. BARE
DRILL RIG/HAMMER EFF./DATE SUM0093 DIEDRICH D-50 86% 08/15/2013 DRILL METHOD NW Casing W/SPT & Core HAMMER TYPE Automatic
TIP N/AWBS17BP.7.R.63 COUNTY ORANGE
ELEV
(ft)
485
480
475
470
NC
D
O
T
B
O
R
E
S
I
N
G
L
E
O
R
A
N
G
E
_
B
R
1
0
1
_
G
E
O
_
B
R
D
G
0
1
0
1
_
G
I
N
T
.
G
P
J
N
C
_
D
O
T
.
G
D
T
6
/
1
9
/
1
4
GROUND SURFACE
1
60/0.0
9.8
15.6
CRYSTALLINE ROCKGreen-gray to gray, slightly to mod. weathered,
mod. hard to hard, close fractured, crystalline rock (felsic metavolcanic)
Boring Terminated at Elevation 466.0 ft In Crystalline Rock (Felsic
Metavolcanic)
471.8
466.0
(0.4)
50%
(2.3)
46%
0.8
5.0
(0.6)
75%
(4.8)
96%
9.810.6
15.6
471.8471.0
466.0
(2.7)
47%
(5.4)
93%
3:40/0.8
1:50/1.03:18/1.0
2:52/1.0
2:29/1.0
2:11/1.0
SHEET 11
DEPTH (ft)
CORE BORING REPORT
CORE SIZE NQ2 TOTAL RUN 5.8 ft
Begin Coring @ 9.8 ft
DESCRIPTION AND REMARKS
L
O
G
SAMP.
NO.RQD(ft)%
RUN
(ft)REC.(ft)%
DEPTH
(ft)
RUN STRATA
ELEV. (ft)
RUN
ELEV
(ft)
RQD(ft)%
471.8
REC.(ft)%
DRILL
RATE
(Min/ft)
OFFSET 12 ft LT ALIGNMENT N/A
EASTING 1,982,083
8.0
Caved
SITE DESCRIPTION Bridge No. 101 over Stoney Creek on New Hope Church Rd. (SR 1723)
BORING NO.EB2-A
GROUND WTR (ft)
TOTAL DEPTH 15.6 ft
NCDOT GEOTECHNICAL ENGINEERING UNIT
SURFACE WATER DEPTH N/ACOMP. DATE 05/01/12START DATE 05/01/12
GEOLOGIST B. SMITH
STATION 12+77
COLLAR ELEV.481.6 ft
0 HR.
24 HR.NORTHING 828,797
DRILLER J. BARE
DRILL RIG/HAMMER EFF./DATE SUM0093 DIEDRICH D-50 86% 08/15/2013 DRILL METHOD NW Casing W/SPT & Core HAMMER TYPE Automatic
TIP N/AWBS17BP.7.R.63 COUNTY ORANGE
ELEV
(ft)
470
NC
D
O
T
C
O
R
E
S
I
N
G
L
E
O
R
A
N
G
E
_
B
R
1
0
1
_
G
E
O
_
B
R
D
G
0
1
0
1
_
G
I
N
T
.
G
P
J
N
C
_
D
O
T
.
G
D
T
6
/
1
9
/
1
4
17BP.7.R.63 (Br. 101, Orange Co.) Sheet 12
CORE PHOTOGRAPHS
EB2-A
BOX 1: 9.8 - 15.6 FEET
9.8 10.6
15.6
FEET
0 1 2
476.9
471.9
4.8
9.8
0.0
9.1
9.9
472.6
471.8
481.7
ROADWAY EMBANKMENT
Red-brown and brown to gray, SILTY CLAY
(A-7) w/ trace rock fragments
WEATHERED ROCK
(Felsic Metavolcanic)
Boring Terminated with Standard
Penetration Test Refusal at Elevation 471.8
ft On Crystalline Rock (Felsic Metavolcanic)
2 11
60/0.1
SHEET 13
485
DRIVE
ELEV
(ft)
DEPTH
(ft)DEPTH (ft)
BORELOG REPORT
SOIL AND ROCK DESCRIPTION
L
O
G
SAMP.
NO.MOI ELEV. (ft)
BLOW COUNT
0.5ft 0.5ft0.5ft
BLOWS PER FOOT
2550750 100
OFFSET 12 ft RT ALIGNMENT N/A
EASTING 1,982,107
8.0
Caved
SITE DESCRIPTION Bridge No. 101 over Stoney Creek on New Hope Church Rd. (SR 1723)
BORING NO.EB2-B
GROUND WTR (ft)
TOTAL DEPTH 9.9 ft
NCDOT GEOTECHNICAL ENGINEERING UNIT
SURFACE WATER DEPTH N/ACOMP. DATE 05/01/12START DATE 05/01/12
GEOLOGIST B. SMITH
STATION 12+78
COLLAR ELEV.481.7 ft
0 HR.
24 HR.NORTHING 828,799
DRILLER J. BARE
DRILL RIG/HAMMER EFF./DATE SUM0093 DIEDRICH D-50 86% 08/15/2013 DRILL METHOD NW Casing w/ Advancer HAMMER TYPE Automatic
TIP N/AWBS17BP.7.R.63 COUNTY ORANGE
ELEV
(ft)
485
480
475
NC
D
O
T
B
O
R
E
S
I
N
G
L
E
O
R
A
N
G
E
_
B
R
1
0
1
_
G
E
O
_
B
R
D
G
0
1
0
1
_
G
I
N
T
.
G
P
J
N
C
_
D
O
T
.
G
D
T
6
/
1
9
/
1
4
GROUND SURFACE
3
60/0.1
477.6
476.6
475.6
474.6
473.6
472.6
471.6
0.0
1.0
2.0
3.0
4.0
5.0
6.0
0.0
6.0
6.3
471.6
471.3
477.6
ALLUVIAL
Brown, loose to med. dense, silty SAND
(A-2-4)
RESIDUAL
Tan-brown, dense, silty SAND (A-2-4)
WEATHERED ROCK
(Felsic Metavolcanic)
Boring Terminated at Elevation 470.3 ft In
Weathered Rock (Felsic Metavolcanic)
1
1
4
7
6
12
70/0.3
1
4
5
6
6
27
n/a
n/a
n/a
n/a
n/a
n/a
n/a
SHEET 14
480
DRIVE
ELEV
(ft)
DEPTH
(ft)DEPTH (ft)
BORELOG REPORT
SOIL AND ROCK DESCRIPTION
L
O
G
SAMP.
NO.MOI ELEV. (ft)
BLOW COUNT
0.5ft 0.5ft0.5ft
BLOWS PER FOOT
2550750 100
OFFSET 22 ft RT ALIGNMENT N/A
EASTING 1,982,120
N/A
N/A
SITE DESCRIPTION Bridge No. 101 over Stoney Creek on New Hope Church Rd. (SR 1723)
BORING NO.RS-1
GROUND WTR (ft)
TOTAL DEPTH 7.3 ft
NCDOT GEOTECHNICAL ENGINEERING UNIT
SURFACE WATER DEPTH N/ACOMP. DATE 10/01/13START DATE 10/01/13
GEOLOGIST J. TERRY
STATION 12+34
COLLAR ELEV.477.6 ft
0 HR.
24 HR.NORTHING 828,756
DRILLER C. HUSKETH
DRILL RIG/HAMMER EFF./DATE N/A DRILL METHOD Rod Sounding HAMMER TYPE Automatic
TIP N/AWBS17BP.7.R.63 COUNTY ORANGE
ELEV
(ft)
480
475
NC
D
O
T
B
O
R
E
S
I
N
G
L
E
O
R
A
N
G
E
_
B
R
1
0
1
_
G
E
O
_
B
R
D
G
0
1
0
1
_
G
I
N
T
.
G
P
J
N
C
_
D
O
T
.
G
D
T
6
/
1
9
/
1
4
Sat.
GROUND SURFACE
2
5
9
13
12
39 70/0.3
475.4
474.4
473.4
472.4
0.0
1.0
2.0
3.0
0.0
3.0472.4
475.4
ALLUVIAL
Brown, loose to dense, silty SAND (A-2-4)
CRYSTALLINE ROCK
(Felsic Metavolcanic)
Boring Terminated at Elevation 472.4 ft On
Crystalline Rock (Felsic Metavolcanic)
1
3
6
30/0.0
2
3
52
n/a
n/a
n/a
n/a
SHEET 15
480
DRIVE
ELEV
(ft)
DEPTH
(ft)DEPTH (ft)
BORELOG REPORT
SOIL AND ROCK DESCRIPTION
L
O
G
SAMP.
NO.MOI ELEV. (ft)
BLOW COUNT
0.5ft 0.5ft0.5ft
BLOWS PER FOOT
2550750 100
OFFSET 22 ft LT ALIGNMENT N/A
EASTING 1,982,073
N/A
N/A
SITE DESCRIPTION Bridge No. 101 over Stoney Creek on New Hope Church Rd. (SR 1723)
BORING NO.RS-2
GROUND WTR (ft)
TOTAL DEPTH 3.0 ft
NCDOT GEOTECHNICAL ENGINEERING UNIT
SURFACE WATER DEPTH N/ACOMP. DATE 10/01/13START DATE 10/01/13
GEOLOGIST J. TERRY
STATION 12+59
COLLAR ELEV.475.4 ft
0 HR.
24 HR.NORTHING 828,778
DRILLER C. HUSKETH
DRILL RIG/HAMMER EFF./DATE N/A DRILL METHOD Rod Sounding HAMMER TYPE Automatic
TIP N/AWBS17BP.7.R.63 COUNTY ORANGE
ELEV
(ft)
480
475
NC
D
O
T
B
O
R
E
S
I
N
G
L
E
O
R
A
N
G
E
_
B
R
1
0
1
_
G
E
O
_
B
R
D
G
0
1
0
1
_
G
I
N
T
.
G
P
J
N
C
_
D
O
T
.
G
D
T
6
/
1
9
/
1
4
Sat.
GROUND SURFACE
3
6 58 30/0.0
475.9
474.9
473.9
472.9
0.0
1.0
2.0
3.0
0.0
3.0
3.6
472.9
472.3
475.9
ALLUVIAL
Brown, loose, silty SAND (A-2-4)
WEATHERED ROCK
(Felsic Metavolcanic)
Boring Terminated at Elevation 472.3 ft On
Crystalline Rock (Felsic Metavolcanic)
1
2
3
58
1
2
3
30/0.1
n/a
n/a
n/a
n/a
SHEET 16
480
DRIVE
ELEV
(ft)
DEPTH
(ft)DEPTH (ft)
BORELOG REPORT
SOIL AND ROCK DESCRIPTION
L
O
G
SAMP.
NO.MOI ELEV. (ft)
BLOW COUNT
0.5ft 0.5ft0.5ft
BLOWS PER FOOT
2550750 100
OFFSET 22 ft RT ALIGNMENT N/A
EASTING 1,982,117
N/A
N/A
SITE DESCRIPTION Bridge No. 101 over Stoney Creek on New Hope Church Rd. (SR 1723)
BORING NO.RS-3
GROUND WTR (ft)
TOTAL DEPTH 3.6 ft
NCDOT GEOTECHNICAL ENGINEERING UNIT
SURFACE WATER DEPTH N/ACOMP. DATE 10/01/13START DATE 10/01/13
GEOLOGIST J. TERRY
STATION 12+69
COLLAR ELEV.475.9 ft
0 HR.
24 HR.NORTHING 828,791
DRILLER C. HUSKETH
DRILL RIG/HAMMER EFF./DATE N/A DRILL METHOD Rod Sounding HAMMER TYPE Automatic
TIP N/AWBS17BP.7.R.63 COUNTY ORANGE
ELEV
(ft)
480
475
NC
D
O
T
B
O
R
E
S
I
N
G
L
E
O
R
A
N
G
E
_
B
R
1
0
1
_
G
E
O
_
B
R
D
G
0
1
0
1
_
G
I
N
T
.
G
P
J
N
C
_
D
O
T
.
G
D
T
6
/
1
9
/
1
4
Sat.
GROUND SURFACE
2
4
6
30/0.1