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Formulation of The Theory of Critical Distance For Fatigue Characteristics in Concrete Incorporating Various Water-Cement Ratios: Unified Relationship For Static And Fatigue Properties (Part A)
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  • Ahmad Shah Mohamad Shazwan,
  • Sarehati Umar,
  • Shahrum Abdullah,
  • Beng Hong Ahmad,
  • Mohd Nasir Tamin,
  • Kim Jang-Ho Jay,
  • Yahaya Nordin,
  • Md. Noor Norhazilan
Ahmad Shah Mohamad Shazwan
Universiti Teknologi Malaysia School of Civil Engineering

Corresponding Author:[email protected]

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Sarehati Umar
Universiti Teknologi Malaysia School of Civil Engineering
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Shahrum Abdullah
Universiti Kebangsaan Malaysia Fakulti Kejuruteraan dan Alam Bina
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Beng Hong Ahmad
Universiti Malaysia Sarawak Fakulti Kejuruteraan
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Mohd Nasir Tamin
Universiti Teknologi Malaysia School of Mechanical Engineering
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Kim Jang-Ho Jay
Yonsei University
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Yahaya Nordin
Universiti Teknologi Malaysia School of Civil Engineering
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Md. Noor Norhazilan
Universiti Teknologi Malaysia School of Civil Engineering
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Abstract

The research into fatigue fracture formulations for the Theory of Critical Distances (TCD) in concrete is advancing, with a focus on reducing the occurrence of fatigue failures in concrete structures. Despite design safety factors, concrete fatigue failures persist, and the associated fatigue tests are resource intensive. While TCD is known for its accuracy, it exhibits instability concerning variations in water-cement ratios in concrete mixes. The absence of standardized procedures further complicates fatigue testing, hindering research progress. This paper proposes a unified relationship between static and fatigue properties, streamlining fatigue characterizations through less laborious static tests. This research paves the way for Part B, which explores mathematical enhancements to this formulation. Together, Parts A and B aim to bridge knowledge gaps, offering a foundation for safer and more efficient concrete structures.