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
... are discussed in the following sections of this report . Multi - helix anchors were found to be more suitable when installed in medium to stiff clays and medium In some Q D a - SINGLE HELIX PITCH T 么么 21 Helix and Multi-Helix Anchors.
... are discussed in the following sections of this report . Multi - helix anchors were found to be more suitable when installed in medium to stiff clays and medium In some Q D a - SINGLE HELIX PITCH T 么么 21 Helix and Multi-Helix Anchors.
Page 29
... stiff clays , glacial tills , and weathered rock . Typically , a 6 - inch ( 0.15 - m ) diameter hole ( sometimes having a bell at the bottom ) is made , and deformed or plain steel rods up to approximately 1 - inch ( 25 - mm ) in ...
... stiff clays , glacial tills , and weathered rock . Typically , a 6 - inch ( 0.15 - m ) diameter hole ( sometimes having a bell at the bottom ) is made , and deformed or plain steel rods up to approximately 1 - inch ( 25 - mm ) in ...
Page 42
... stiff or firm , and hard are reserved for clays , but they are not used to describe sands . Qualitative and quantitative expressions for clay consistency are presented in Table 5.3 . The primary intent of this table is to present the ...
... stiff or firm , and hard are reserved for clays , but they are not used to describe sands . Qualitative and quantitative expressions for clay consistency are presented in Table 5.3 . The primary intent of this table is to present the ...
Page 43
... 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 1.0-2.0 0.5-1 8-15 but penetrated only with great effort Very Stiff or Readily indented by ...
... 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 1.0-2.0 0.5-1 8-15 but penetrated only with great effort Very Stiff or Readily indented by ...
Page 50
... STIFF IUM VERY STIFF HARD CONSISTENCY OF CLAY ( See Ref . 93 ) NOTE : 1 in = 25.4 mm 1 lb 4.4 N 1 lb / ft2 = 48 pa Figure 5.2 Ultimate Pull - out Capacity of Triangular Anchors versus Shear Strength of Clays [ 66 ] particular case the ...
... STIFF IUM VERY STIFF HARD CONSISTENCY OF CLAY ( See Ref . 93 ) NOTE : 1 in = 25.4 mm 1 lb 4.4 N 1 lb / ft2 = 48 pa Figure 5.2 Ultimate Pull - out Capacity of Triangular Anchors versus Shear Strength of Clays [ 66 ] particular case the ...
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Common terms and phrases
anchor capacity Anchor Installation anchor plate anchor pull-out capacity anchor rod anchor shaft anchor spacing 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