Transfer and development length of high-strength duplex stainless steel strand in prestressed concrete piles

Alvaro Paul; Lorintz B. Gleich; Lawrence F. Kahn

doi:10.15554/pcij62.3-01

Transfer and development length of high-strength duplex stainless steel strand in prestressed concrete piles

Alvaro Paul, Lorintz B. Gleich, Lawrence F. Kahn

Producción científica: Contribución a una revista › Artículo › revisión exhaustiva

4 Citas (Scopus)

Resumen

With increasing demand for bridge service lives of 100 years or more, engineers face a durability challenge regarding bridges in coastal regions, where accelerated deterioration is commonly observed. To develop more-durable reinforcement, this research assesses the bond performance of duplex high-strength stainless steel (HSSS) 2205 strand in prestressed concrete piles by the experimental determination of the transfer and development length. The average transfer length of piles reinforced with duplex HSSS 2205 strand was 74% and 57% of the transfer length calculated based on ACI 318-14 and AASHTO LRFD specification requirements, respectively. In addition, driving the piles to refusal had little effect on the transfer length. The experimental development length of piles using duplex HSSS 2205 strand was 88% and 55% of the transfer length calculated based on ACI 318-14 and AASHTO LRFD specifications requirements, respectively. These results suggest that the current codes may be used without modifications for design with duplex HSSS 2205 strand.

Idioma original	Inglés
Páginas (desde-hasta)	59-71
Número de páginas	13
Publicación	PCI Journal
Volumen	62
N.º	3
DOI	https://doi.org/10.15554/pcij62.3-01
Estado	Publicada - 1 may. 2017

Palabras clave

Bridge
Bridge pile
Corrosion protection
Development length
Stainless steel
Transfer length

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10.15554/pcij62.3-01

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title = "Transfer and development length of high-strength duplex stainless steel strand in prestressed concrete piles",

abstract = "With increasing demand for bridge service lives of 100 years or more, engineers face a durability challenge regarding bridges in coastal regions, where accelerated deterioration is commonly observed. To develop more-durable reinforcement, this research assesses the bond performance of duplex high-strength stainless steel (HSSS) 2205 strand in prestressed concrete piles by the experimental determination of the transfer and development length. The average transfer length of piles reinforced with duplex HSSS 2205 strand was 74% and 57% of the transfer length calculated based on ACI 318-14 and AASHTO LRFD specification requirements, respectively. In addition, driving the piles to refusal had little effect on the transfer length. The experimental development length of piles using duplex HSSS 2205 strand was 88% and 55% of the transfer length calculated based on ACI 318-14 and AASHTO LRFD specifications requirements, respectively. These results suggest that the current codes may be used without modifications for design with duplex HSSS 2205 strand.",

keywords = "Bridge, Bridge pile, Corrosion protection, Development length, Stainless steel, Transfer length, Bridge, Bridge pile, Corrosion protection, Development length, Stainless steel, Transfer length",

author = "Alvaro Paul and Gleich, {Lorintz B.} and Kahn, {Lawrence F.}",

note = "Funding Information: The research reported herein was sponsored by GDOT through research project 11-34 task order 02-105. Paul Liles, assistant division director of engineering, and Ben Rabun, state bridge engineer, provided many valuable suggestions throughout the study. Richard Potts and Joe Shepherd of Standard Concrete Products and Bill Johnston of TIC Marine and Heavy Civil Corp. were helpful with all construction operations. Kimberly Kurtis, a professor in the School of Civil and Environmental Engineering at the Georgia Institute of Technology, provided many valuable suggestions throughout the study. The opinions and conclusions expressed herein are those of the authors and do not represent the opinions, conclusions, policies, standards, or specifications of GDOT, the Federal Highway Administration, or other cooperating organizations.",

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publisher = "Precast/Prestressed Concrete Institute",

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AU - Kahn, Lawrence F.

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PY - 2017/5/1

Y1 - 2017/5/1

N2 - With increasing demand for bridge service lives of 100 years or more, engineers face a durability challenge regarding bridges in coastal regions, where accelerated deterioration is commonly observed. To develop more-durable reinforcement, this research assesses the bond performance of duplex high-strength stainless steel (HSSS) 2205 strand in prestressed concrete piles by the experimental determination of the transfer and development length. The average transfer length of piles reinforced with duplex HSSS 2205 strand was 74% and 57% of the transfer length calculated based on ACI 318-14 and AASHTO LRFD specification requirements, respectively. In addition, driving the piles to refusal had little effect on the transfer length. The experimental development length of piles using duplex HSSS 2205 strand was 88% and 55% of the transfer length calculated based on ACI 318-14 and AASHTO LRFD specifications requirements, respectively. These results suggest that the current codes may be used without modifications for design with duplex HSSS 2205 strand.

AB - With increasing demand for bridge service lives of 100 years or more, engineers face a durability challenge regarding bridges in coastal regions, where accelerated deterioration is commonly observed. To develop more-durable reinforcement, this research assesses the bond performance of duplex high-strength stainless steel (HSSS) 2205 strand in prestressed concrete piles by the experimental determination of the transfer and development length. The average transfer length of piles reinforced with duplex HSSS 2205 strand was 74% and 57% of the transfer length calculated based on ACI 318-14 and AASHTO LRFD specification requirements, respectively. In addition, driving the piles to refusal had little effect on the transfer length. The experimental development length of piles using duplex HSSS 2205 strand was 88% and 55% of the transfer length calculated based on ACI 318-14 and AASHTO LRFD specifications requirements, respectively. These results suggest that the current codes may be used without modifications for design with duplex HSSS 2205 strand.

KW - Bridge

KW - Bridge pile

KW - Corrosion protection

KW - Development length

KW - Stainless steel

KW - Transfer length

KW - Bridge

KW - Bridge pile

KW - Corrosion protection

KW - Development length

KW - Stainless steel

KW - Transfer length

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Transfer and development length of high-strength duplex stainless steel strand in prestressed concrete piles

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