Transfer, Development, and Splice Length for Strand/reinforcement in High-strength Concrete
Transportation Research Board, 2008 - Concrete - 122 pages
"This report documents research performed to develop recommended revisions to the AASHTO LRFD Bridge Design Specifications to extend the applicability of the transfer, development, and splice length provisions for prestressed and non-prestressed concrete members to concrete strengths greater than 10 ksi. The report details the research performed and includes recommended revisions to the AASHTO LRFD Bridge Design Specifications. The material in this report will be of immediate interest to bridge designers."--Foreword.
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11 bars 318 Code ACI AASHTO LRFD Bridge anchorage average bars in tension bond length Bond of Prestressing bond performance bond strength Bond Test value Bridge Design Speciﬁcations calculated stress concrete compressive strength concrete cover concrete strength crack crete DEMEC development and splice development length tests diameter strands East West embedment length epoxy epoxy-coated bars ﬂexural failures Flexure gage high-strength concrete higher strength concretes hooked bars I-shaped beams Jirsa kips load LRFD Bridge Design measured transfer lengths ment modiﬁcation factor mortar NASP Bond Test NASP pull-out values NASP values NCHRP Project 12-60 opment length Prestressing Strands ratio of test recommended rectangular beams reported shown in Figure specimens splice length splice region standard hooks Standard Test Method stirrups Strand A6 strand end slip Strands A/B strength at release Table test results transfer and development transfer lengths measured transverse reinforcement uncoated bars yield strength