Theoretical Development of the Core-Drilling Method for Nondestructive Evaluation of Stresses in Concrete Structures

Pessiki, Stephen; Türker, Hakan

doi:10.15554/pci.rr.misc-006

Cited by 8 publications

(2 citation statements)

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“…Although the current application of the method involves concrete (rather than steel) and a core hole rather than a standard hole, it is subject to several of the same assumptions. Specifically, it is assumed that the following conditions are satisfied for the member under investigation [9].…”

Section: Analytical Formulation Of the If Methods For The Incremental Core-drilling Methodsmentioning

confidence: 99%

“…The size of the matrix a is an important parameter, as a smaller matrix gives more numerical stability while a larger matrix gives a higher potential accuracy. Appropriate sizes for this matrix have been reported as large as 10610 and as small as 666 [7,9]. Based on an extensive accuracy study, the size for the current work was chosen as 969 [11].…”

Section: Mean Stress Influence Coefficient Matrix Amentioning

confidence: 99%

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Analytical and numerical development of the incremental core-drilling method of non-destructive determination of in-situ stresses in concrete structures

Trautner¹,

McGinnis

Pessiki

2010

The Journal of Strain Analysis for Engineering Design

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The incremental core-drilling method (ICDM) is a technique to assess in-situ stresses in concrete structures. These stresses may be either constant or vary through the thickness of the member under investigation. In this method, a core is drilled into a concrete structure incrementally. The displacements which occur locally around the perimeter of the core at each increment are related to the in-situ stresses by an elastic calculation process known as the influence function method. This paper presents the analytical and numerical techniques necessary for practical use of the ICDM. In particular, influence function coefficients for the specific geometry of a core hole are calculated using finite element techniques.

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Section: Analytical Formulation Of the If Methods For The Incremental Core-drilling Methodsmentioning

confidence: 99%