Fatigue & Other Properties Basic Test Types Routine - - PDF document

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Fatigue & Other Properties

Routine (Conventional) Plate Loading Triaxial Compression Marshall Tests Hveem Tests All static or quasi-static CBR Indirect Tension Modulus of Rupture Layered Elastic Analysis Resilient Modulus (Triaxial) Resilient Modulus (Diametral) Dynamic Complex Modulus Dynamic Stiffness Modulus Creep Mostly dynamic or cyclic Wave Propagation Distress Fatigue Permanent Deformation

Basic Test Types Plate Load Test

12" 18" 24" 30"

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Plate Load Test Field CBR Test CBR

p, psi Δ, in 0.0 0.1 0.2 0.3 0.4 0.5 60 90 110 125 135

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CBR

% CBR: psi 2600 2300 1900 1500 1000 Ideal Load: psi 135 125 110 90 60 Actual Load: in 0.5 0.4 0.3 0.2 0.1 Penetration:

Indirect Tension Test

16 16

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8 8 4 4 12 12 P P σ1/σmin ft´ = σmin = (2P)/(πLD)

Indirect Tension Test

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Modulus of Rupture

P L/3 L/3 L/3 d

Beam Flexure Test

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PL MOR bd =

Beam Flexure Test

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PL MOR bd =