Soil and Rock Anchors for Mobile Homes: A State-of-the-art ReportU.S. Department of Commerce, National Bureau of Standards, 1979 - 147 pages |
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Page 21
... medium to stiff clays and medium In some Q D a - SINGLE HELIX PITCH T 么么 21 Helix and Multi-Helix Anchors.
... medium to stiff clays and medium In some Q D a - SINGLE HELIX PITCH T 么么 21 Helix and Multi-Helix Anchors.
Page 39
... Medium Sand Size Range Above 3 inches ( 76 mm ) 3 inches to No. 4 sieve ( 4.76 mm ) 3 inches to 3/4 inch ( 19 mm ) 3/4 inch to No. 4 sieve ( 4.76 mm ) No. 4 sieve to No. 200 sieve ( 0.074 mm ) No. 4 sieve to No. 10 sieve ( 2.0 mm ) No ...
... Medium Sand Size Range Above 3 inches ( 76 mm ) 3 inches to No. 4 sieve ( 4.76 mm ) 3 inches to 3/4 inch ( 19 mm ) 3/4 inch to No. 4 sieve ( 4.76 mm ) No. 4 sieve to No. 200 sieve ( 0.074 mm ) No. 4 sieve to No. 10 sieve ( 2.0 mm ) No ...
Page 41
... ENGINEERING PROPERTIES OF SANDS Number of Blows per ft , N Relative Density 0-4 4-10 10-30 30-50 Over 50 Very loose Loose Medium dense Note : 1 ft = 0.3 m Dense Very dense The correlation between blow count and the shear strength of 41.
... ENGINEERING PROPERTIES OF SANDS Number of Blows per ft , N Relative Density 0-4 4-10 10-30 30-50 Over 50 Very loose Loose Medium dense Note : 1 ft = 0.3 m Dense Very dense The correlation between blow count and the shear strength of 41.
Page 43
... Medium Stiff or Medium Firm Can be penetrated several inches by thumb with moderate effort 0.5-1.0 0.25-0.5 4-8 Stiff or Firm Readily indented by thumb but penetrated only with great effort 1.0-2.0 0.5-1 8-15 43.
... Medium Stiff or Medium Firm Can be penetrated several inches by thumb with moderate effort 0.5-1.0 0.25-0.5 4-8 Stiff or Firm Readily indented by thumb but penetrated only with great effort 1.0-2.0 0.5-1 8-15 43.
Page 54
... MEDIUM DENSE DENSE DENSE ( UNCORRECTED FOR OVERBURDEN PRESSURE ) 30 40 UNCORRECTED STANDARD PENETRATION TEST BLOW COUNT - BLOWS / FOOT 50 60 Figure 5.4 Angle of Internal Friction ( Shearing Resistance ) versus ( Uncorrected ) SPT Blow ...
... MEDIUM DENSE DENSE DENSE ( UNCORRECTED FOR OVERBURDEN PRESSURE ) 30 40 UNCORRECTED STANDARD PENETRATION TEST BLOW COUNT - BLOWS / FOOT 50 60 Figure 5.4 Angle of Internal Friction ( Shearing Resistance ) versus ( Uncorrected ) SPT Blow ...
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Common terms and phrases
anchor capacity Anchor Installation anchor plate anchor pull-out capacity anchor rod anchor shaft anchor spacing anchor types anchoring systems angle arrowhead anchor ASTM blow count capacity of anchors classification cohesive soils concrete correlation cyclic loading D/B ratio dense sands Double Anchor factor of safety field tests geotechnical engineering granular materials granular soils Gravel Ground Anchors grout Hardpan heave helix anchor holding capacity hole inches increases load tests Load versus Uplift Medium dense mobile home anchor NFPA Ontario Hydro percent performed Pull-out Capacity versus pull-out factor Pull-out Load versus Pull-out Resistance relative density Report Research rock anchor saturated Screw Anchor shear strength shown in figure silts soil anchors soil and rock SOIL CLASS Soil Mechanics Soil Test Probe soil types Standard Penetration Test strength of cohesive Test Probe torque tie-down triangular anchor type of anchor U.S. Army versus Uplift Deflection vertical wind