LICENTIATE THESIS - Luleå tekniska universitet

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LICENTIATE THESIS Evaluation of Con
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Preface This licentiate thesis pres
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Evaluation of Concrete Structures I
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Evaluation of Concrete Structures I
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Evaluation of Concrete Structures 4
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A. Simplified check A1. In-situ ins
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Evaluation of Concrete Structures G
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Lok-Strength & Capo-Strength F [kN]
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Evaluation of Concrete Structures a
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Evaluation of Concrete Structures t
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Evaluation of Concrete Structures d
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Evaluation of Concrete Structures T
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Evaluation of Concrete Structures -
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6 Outlook Evaluation of Concrete St
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Evaluation of Concrete Structures E
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Paper A CONCRETE STRENGTH DEVELOPME
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determine the in-place strength of
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strength could be the fact for all
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German Petersen & Poulsen (1993), s
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Rebound test (Schmidt-hammer) The r
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expected (about 8 MPa). But for the
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Figure 8 shows the location where t
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Tensile strength [MPa] 6.0 5.0 4.0
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Table 4 Mean value and standard dev
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Lok-Strength & Capo-Strength F [kN]
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fcc fct concrete compression streng
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The values that have been used are:
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LOAD CARRYING CAPACITY OF CRACKED C
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Figure 1 Principal drawing of teste
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Class 3. OK / Green: No visible cra
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0.5 1.0 +15 kNm 0.5 0.5 1.0 0.5 -11
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Horizontal force [kN] 100 80 60 40
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TEST SET-UP AND RESULTS Bending cap
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The displacement was measured by fo
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Figure 18 Failure of sleeper no. 10
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Sleeper No. 17 looks more like the
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c2 75 á 100 where ψ ′ c = = = 0
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The obtained stress σ t = 4.45 MPa
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M f,rail moment bearing capacity at
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Paper C CONCRETE FATIGUE CAPACITY.
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FATIGUE OF CONCRETE A common way to
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notch is deep enough that is). When
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Figure 5 Test set-up uniaxial tensi
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Table 1 A summary of all uniaxial t
Page 108 and 109: Strain [‰] 0.8 0.6 0.4 0.2 0 Phas
Page 110 and 111: 11) the start of phase 3 takes plac
Page 112 and 113: ACKNOWLEDGEMENTS The study has been
Page 114 and 115: APPENDIX A Evaluated data from the
Page 116 and 117: C = dε / dN [× 10 −6 ] 100 10 1
Page 118 and 119: Test series A: S min = σ min / f c
Page 121: Paper D SHEAR FATIGUE CAPACITY - A
Page 124 and 125: 1 Introduction The codes that have
Page 126 and 127: Dead Loads: Slab: 0.320 m á 24 kN/
Page 128 and 129: the equations to calculate the desi
Page 130 and 131: where ηγm is 1.5 for concrete (co
Page 132 and 133: different besides the strength clas
Page 134 and 135: Table 4.2 Fatigue strength. Number
Page 136 and 137: The shear force capacity, V Rd1, fo
Page 138 and 139: σ cd,min,equ lower stresses of the
Page 140 and 141: 6.2 Strength values at fatigue load
Page 142 and 143: 6.3 Strength values at fatigue load
Page 144 and 145: 1 − 0.7166 14 ⋅ = 4.71 < 6 ⇒T
Page 146 and 147: The “new” equation for the desi
Page 149: Appendix A. Concrete Codes Excerpt
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Page 183 and 184: DOCTORAL AND LICENTIATE THESES Divi
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