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posttensioned grouted tendons

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Series: ASM Handbook
Volume: 13C
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v13c.a0004168
EISBN: 978-1-62708-184-9
... chloride threshold posttensioned grouted tendons epoxy-coated reinforcement galvanized reinforcement Abstract Bridges and highways are core components of transportation system and range from pavements with earth, gravel, or stone covered by a thin bituminous surface course to a continually...
Series: ASM Handbook
Volume: 13C
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v13c.a0004220
EISBN: 978-1-62708-184-9
... of conventional reinforcement, as noted by the presence of cracking and spalling of overlying concrete. On one occasion, a posttensioning tendon failed. This led to a large-scale investigation of posttensioning members, particularly the anchorages. The anchorages were found to be significantly corroded because...
Series: ASM Handbook
Volume: 5B
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v05b.a0006072
EISBN: 978-1-62708-172-6
... and then pouring the concrete around the cables. Once the concrete has hardened, the tension is released, placing the concrete into compression and making it less susceptible to cracking. Posttensioning consists of applying pressure to the concrete after pouring. Steel cable tendons are threaded through...
Series: ASM Handbook
Volume: 13B
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v13b.a0003843
EISBN: 978-1-62708-183-2
... are placed and tensioned before the concrete is placed; for posttensioning, usually done at the job site, tendons or bars are positioned before the concrete is placed and tensioned after the concrete has cured, hardened, and reached a specified strength. Precast and prestressed concrete offers advantages...