Hurtig og effektiv udførelse af jordankre

Bæreevnetabeller

COMMON SOIL TYPE
Description
GEOLOGIC AL SOIL
Classification
TYPICAL BLOW
Count'N'
MR88 MR4 MR3 MR2 MR1 SR1
Very Dense and/or Cemented Sands; Coarse Gravel & Cobbles Caliche, Nitrate-Bearing Gravel/Rock 60-100+ 20 45 55 90 100 300
Dense Fine Sand; Very Hard Silts & Clays Basal Till; Boulder Clay Cliche; Weathered Rock 40-60 20 40 50 80 100 250
Dense Clays, Sands and Gravels, Hard Silts & Clays Glacial Till:Weathered Shales, Schist Gneiss, Silltstone 35-50 18 35 45 75 95 250
Medium Dense Sandy Gravel; Very Stiff to Hard Silts & Clays Glacial Till; Hardpan 25-40 16 30 40 60 90 180
Medium Dense Course Sand and Sandy Gravel; Stiff to Very Stiff Silts & Clays Saprolites; Residual Soils 14-25 14 25 35 55 80 180
Loose to Medium Dense Fine to Coarse Sand; Firm to Stiff Clays & Silts Dense Hydraulic Fill; Compacted Fill; Residual Soils 7-14 12 20 30 50 70 150
Loose Fine Sand; Aluvlum; Soft-Firm Clays; Varied Clays; Fill Flood Plain Soils; Lake Clays; Adobe; Gumbo Fill 4-8 4-7 7-11 13-22 22-26 50 100
Peat, Organic Silts; Inundates, Silts Fly Ash Miscellaneous Fill: Swamp Marsh 0-5 0.9-4 1.3-7 3.5-13 9-22 13-37 20-60