Eslami, Abolfazl, Ramezanpour, Moein, Hematpoury Farokhy, Ehsan, Dehghani Sanij, Mohammad. (1402). Biaxial Loading Capacity of H-Type Reinforced Concrete Electric Poles. هنرهای کاربردی, 12(1), 63-76. doi: 10.22075/jrce.2023.30322.1835
Abolfazl Eslami; Moein Ramezanpour; Ehsan Hematpoury Farokhy; Mohammad Dehghani Sanij. "Biaxial Loading Capacity of H-Type Reinforced Concrete Electric Poles". هنرهای کاربردی, 12, 1, 1402, 63-76. doi: 10.22075/jrce.2023.30322.1835
Eslami, Abolfazl, Ramezanpour, Moein, Hematpoury Farokhy, Ehsan, Dehghani Sanij, Mohammad. (1402). 'Biaxial Loading Capacity of H-Type Reinforced Concrete Electric Poles', هنرهای کاربردی, 12(1), pp. 63-76. doi: 10.22075/jrce.2023.30322.1835
Eslami, Abolfazl, Ramezanpour, Moein, Hematpoury Farokhy, Ehsan, Dehghani Sanij, Mohammad. Biaxial Loading Capacity of H-Type Reinforced Concrete Electric Poles. هنرهای کاربردی, 1402; 12(1): 63-76. doi: 10.22075/jrce.2023.30322.1835

Biaxial Loading Capacity of H-Type Reinforced Concrete Electric Poles

Journal of Rehabilitation in Civil Engineering
مقاله 5، دوره 12، شماره 1 - شماره پیاپی 33، بهار 2024، صفحه 63-76    اصل مقاله (1.84 M)
نوع مقاله: Regular Paper
شناسه دیجیتال (DOI): 10.22075/jrce.2023.30322.1835
نویسندگان
Abolfazl Eslami* 1؛ Moein Ramezanpour2؛ Ehsan Hematpoury Farokhy3؛ Mohammad Dehghani Sanij4
1Associate Professor, Department of Civil Engineering, Yazd University, Yazd, Iran
2Research Associate, Department of Civil Engineering, Yazd University, Yazd, Iran
3Ph.D. Candidate, Department of Civil Engineering, Yazd University, Yazd, Iran
4Senior Engineer, Division of Engineering & Supervision, Yazd Electrical Distribution Company, Yazd, Iran
چکیده
H-type reinforced concrete poles are nowadays widely used as an economical and cost-effective substitute for wooden poles in power transmission lines. Although these poles are frequently subjected to biaxial loading in real field application, their biaxial interaction curves yet await detailed investigation. The current study was aimed at developing the biaxial bending interaction curves for H-type utility poles considering the measurements stipulated by the relevant standards and codes. Towards this, two commonly used H-type electric poles (i.e., 9 and 12 m ones with a normal strength of 400 kgF) were constructed, cured, and loaded at angles of 0, 30, 60, and 90 degrees with respect to their minor principal axes. The experimental results were described in terms of load-displacement curves, developed strains, cracking pattern, failure modes, and biaxial loading interaction curve. The obtained interaction diagrams can be reliably used to estimate the loading capacity of electric poles under biaxial loading in real field applications.

تازه های تحقیق
  • Bi-axial bending interaction curves are developed for the H-type concrete poles.
  • The pole specimens are loaded according to the related standards.
  • The results are discussed in terms of the load-displacement curves and failure modes.
کلیدواژه‌ها
H-type pole؛ Reinforced concrete؛ Loading capacity؛ Biaxial bending Interaction curve
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