Predicting the density of structural timber members in service. The combine use of wood cores and drill resistance data
Open accessAbstract
Drilling devices is used to get information about the cross-section properties and internal defects of structural members. Drill resistance is correlated with density which is often used to predict the mechanical properties of timber elements. However in situ a regression curve cannot be obtained and pre-existent curves provides unreliable predictions. The present paper proposes a procedure for in situ “calibration” of drill resistance data. The “calibration” is based on density values from wood cores taken in the close vicinity of drill holes. Two approaches were tested. One approach based on a regression curve built using wood cores density and drill resistance values obtained from a limited number of members. The other approach uses the information of one wood core to “calibrate” the drill resistance profile taken at the same member. Following this procedure a density prediction is obtained showing a low mean percentage error and a medium coefficient of determination.
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Morales-Conde et al. [70] reported 0.70 R2 for recovered pine timber.
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From Grading of recovered Norway spruce (Picea abies) timber for structural purposes (2023) · cites this paper as [70]
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Grading of recovered Norway spruce (Picea abies) timber for structural purposes
Llana, D. F., Íñiguez-González, G., Plos, M., & Turk, G. (2023) · Construction and Building Materials · doi:10.1016/j.conbuildmat.2023.132440 · Cited by 28 · see citing works
Wood Density Determination by Drilling Chips Extraction in Ten Softwood and Hardwood Species
Martínez, R. D., Balmori, J.-A., F. Llana, D., & Bobadilla, I. (2020) · Forests · doi:10.3390/f11040383 · Cited by 16 · see citing works
- Authors
- Morales-Condea, M. J., Rodríguez-Liñán, C., & Saporiti-Machado, J.
- Affiliations
- Universidad de Sevilla (ES)
- ORCID
- Rodríguez-Liñán, C.
- Venue
- Materiales de Construcción
- Publisher
- Editorial CSIC
- Published
- 2014-09-30
- Volume
- 64
- Issue
- 315
- Pages
- e029
- ISSN
- 0465-2746 (ISSN-L)
- 1988-3226
- OpenAlex
- W1837571720
- Cited by
- 24
- References
- 0
- Citations by year
- 2026: 2 · 2025: 2 · 2024: 2 · 2023: 6 · 2022: 1 · 2021: 2 · 2020: 2 · 2019: 4 · 2017: 1 · 2015: 2
- FWCI
- 1.48
- Type
- journal article
- Language
- en
- Open access
- diamond
- doi.org
- Locations
- Materiales de Construcción (publishedVersion, cc-by)
- LA Referencia (Red Federada de Repositorios Institucionales de Publicaciones Científicas) (publishedVersion, cc-by-nc-nd)
- DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion)
- DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
- Deposito de Investigacion Universidad de Sevilla (University of Seville) (submittedVersion, cc-by-nc-nd)
- Topics
- Physical Sciences › Engineering › Building and Construction › Wood Treatment and Properties
- Physical Sciences › Engineering › Civil and Structural Engineering › Structural Engineering and Materials Analysis
- Physical Sciences › Engineering › Civil and Structural Engineering › Civil and Structural Engineering Research
- Keywords
- structural timber, wood density prediction, wood cores, in situ calibration, regression curves, internal defects, cross-sectional properties, non-destructive testing
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