By Lev Khazanovich, Kyle Hoegh, Mark Bennett Snyder, National Research Council (U.S.). Transportation Research Board, National Cooperative Highway Research Program, American Association of State Highway and Transportation Officials, United States. Federal Hi
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A series of ﬁnite element runs were 25 8000 the nominal dowel diameter. Therefore, the adjustment factor for an embedment length of 5 in. 933. 13 presents the computed adjustment factor remb for a range of the embedment lengths Lemb. 324 12000 Ultimate Shear Force, lbs. 10000 4000 2000 0 0 2 4 6 8 10 Embedment Length, in. 11. 5-in. [38 mm] diameter dowels. made. 5-in. [38-mm] diameter dowel with embedment lengths varying from 2 to 9 in. 5 in. [25 to 38 mm] with a 9 in. [229 mm] embedment. 12 present the relationships between embedment length and shear capacity and between dowel diameter and shear capacity, respectively.
5 d0 should be used as the CCref. 5 times the dowel diameter. 0). If CC is less than 2 in. , rcc = 0) because of high spalling potential. Effective dowel diameters should be considered for intermediate values. 15 presents the relationship between dowel diameter and dowel shear capacity obtained from finite element analysis for HPCC equal to 8 in. [203 mm]. The relationship between the reduction in normalized shear capacity and the reduction in dowel diameter from d0 to d is presented as follows: ΔDSC = 9628 ( d0 − d ) 4000 (10) Thus, the adjustment factor for concrete cover rcc can be presented as follows: 0 0 1 2 3 4 5 6 7 Concrete Cover, in.
3 Analytical Modeling 6 in. embedment 4 in. embedment 8000 The repeated shear load testing also revealed that the shear capacity of a dowel subjected to repeated loading was significantly lower than that for a dowel subjected to a single displacement-controlled loading. A comparison of shear force versus displacement for a 2 in. 25 in. 25 in. [83 mm]) shows that (1) the shear stiffness of both dowels was reduced after 14,000 load cycles and (2) the stiffness of the 2 in. 5 kips [11 kN]). 7 kips [21 kN].
Guidelines for dowel alignment in concrete pavements by Lev Khazanovich, Kyle Hoegh, Mark Bennett Snyder, National Research Council (U.S.). Transportation Research Board, National Cooperative Highway Research Program, American Association of State Highway and Transportation Officials, United States. Federal Hi