REDUCTION IN CLAMPING FORCE DUE TO APPLIED AXIAL LOAD TO BOLTED PLATES, EXPERIMENTAL AND NUMERICAL INVESTIGATIONS

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NAVID CHAKHERLOU T.; HASHEMI OSKOUEI R.

مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic Resources

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Journal: JOURNAL OF FACULTY OF ENGINEERING (UNIVERSITY OF TABRIZ) Year:2008 | Volume:35 | Issue:2 (50) MECHANICAL ENGINEERING Page(s): 69-74

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Title

REDUCTION IN CLAMPING FORCE DUE TO APPLIED AXIAL LOAD TO BOLTED PLATES, EXPERIMENTAL AND NUMERICAL INVESTIGATIONS

Author(s)

NAVID CHAKHERLOU T. | HASHEMI OSKOUEI R. | Issue Writer Certificate

Keywords

CLAMPING FORCEQ1

BOLTED JOINTSQ1

EXPERIMENTAL METHODQ1

FINITE ELEMENTSQ2

Abstract

In this paper the change in CLAMPING FORCE (preload) value has been investigated in BOLTED JOINTS under tensile axial load both experimentally and numerically. To do this, a holed plate of Al-Alloy 7075-T6 is clamped at its hole by a bolt and nut, and then the plate is subjected to a tensile axial load. In order to evaluate the bolt clamp force magnitudes due to the applied torque to the nut, an EXPERIMENTAL METHOD has been used by measuring the compressive axial stress from the axial strain of a steel bush that was located between the nut and the plate. The investigation was carried out on two specimens that were clamped by two different torques. In each specimen the clamp force was measured at first and then its changes were recorded during the axial tensile load that was applied to the plate ends. In the numerical part, 3-D finite element models were used to simulate the bolt clamping process and the changes in CLAMPING FORCE when the plate is subjected to the tensile axial load. Both experimental and numerical methods show that the CLAMPING FORCE is reduced during tensile axial load application. This is due to the transverse plate contraction that causes the clamp to relax. The percentage of CLAMPING FORCE reduction is more pronounced at the joint where bigger torque was applied to the nut.

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APA: Copy

NAVID CHAKHERLOU, T., & HASHEMI OSKOUEI, R.. (2008). REDUCTION IN CLAMPING FORCE DUE TO APPLIED AXIAL LOAD TO BOLTED PLATES, EXPERIMENTAL AND NUMERICAL INVESTIGATIONS. JOURNAL OF FACULTY OF ENGINEERING (UNIVERSITY OF TABRIZ), 35(2 (50) MECHANICAL ENGINEERING), 69-74. SID. https://sid.ir/paper/43887/en

Vancouver: Copy

NAVID CHAKHERLOU T., HASHEMI OSKOUEI R.. REDUCTION IN CLAMPING FORCE DUE TO APPLIED AXIAL LOAD TO BOLTED PLATES, EXPERIMENTAL AND NUMERICAL INVESTIGATIONS. JOURNAL OF FACULTY OF ENGINEERING (UNIVERSITY OF TABRIZ)[Internet]. 2008;35(2 (50) MECHANICAL ENGINEERING):69-74. Available from: https://sid.ir/paper/43887/en

IEEE: Copy

T. NAVID CHAKHERLOU, and R. HASHEMI OSKOUEI, “REDUCTION IN CLAMPING FORCE DUE TO APPLIED AXIAL LOAD TO BOLTED PLATES, EXPERIMENTAL AND NUMERICAL INVESTIGATIONS,” JOURNAL OF FACULTY OF ENGINEERING (UNIVERSITY OF TABRIZ), vol. 35, no. 2 (50) MECHANICAL ENGINEERING, pp. 69–74, 2008, [Online]. Available: https://sid.ir/paper/43887/en

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