Notched-beam creep of Douglas fir and white fir in outdoor conditions: Experimental study

CFP Nziengui, RM Pitti, E Fournely, J Gril… - … and Building Materials, 2019 - Elsevier
The impact of variations of relative humidity, temperature and moisture content on the creep
of notched beams of Douglas fir and white fir are investigated. Indoor static 4-points bending …

Reliability assessment and updating of notched timber components subjected to environmental and mechanical loading

TB Tran, E Bastidas-Arteaga, Y Aoues… - Engineering …, 2018 - Elsevier
Cracking initiation and propagation are frequently recognized as main causes leading to
failure of timber structures. Since the kinematics of both processes is largely influenced by …

Mode I fracture of tropical woods using grid method

B Odounga, RM Pitti, E Toussaint, M Grédiac - Theoretical and Applied …, 2018 - Elsevier
The cracking properties in opening mode of three tropicals species from the Gabonese
forest, namely Iroko (Milicia Excelsa), Okume (Aucoumea klaineana Pierre), and Padouk …

Elasto-plastic material model of oak at two moisture content levels

J Tippner, J Milch, V Sebera, M Brabec - Holzforschung, 2022 - degruyter.com
The mechanical properties of wood show a very high dependence on the moisture content
(MC). A consideration of MC in numerical simulations increases the applicability of such …

Creep behaviour of timber structures in variable tropical climates: Application to Dacryodes buettneri and baillonella toxisperma species

NM Boussougou, CFP Nziengui, RM Pitti - Construction and Building …, 2022 - Elsevier
The present work deals with the beginning of the Eurocode 5 (EC5) generalization to
tropical hardwoods loaded in tropical environment. For three (3) years, creep tests were …

Strain and cracks investigations on tropical green wood slices under natural drying: experimental and numerical approaches

E Nkene Mezui, CF Pambou Nziengui… - European Journal of …, 2023 - Springer
This work presents the experimental study of natural drying and cracking of green wood
slices of two tropical species. The tests were carried out on slices of Aucoumea klaineana P …

Mechanical properties of Glued-laminated timber made up of mixed tropical wood species

CH Ndong Bidzo, CF Pambou Nziengui… - … Material Science & …, 2022 - Taylor & Francis
This paper deals with an innovative experimental study performed on glued-laminated
timber (GLT) beams, machined and made with three tropical hardwood species. Defect-free …

Mixed mode fracture of some tropical species with the grid method

B Odounga, MP Rostand, E Toussaint… - Engineering Fracture …, 2019 - Elsevier
The aim of this paper is to study the mixed-mode cracking of three tropical species of the
Gabonese forest, namely iroko (Milicia Excelsa), okume (Aucoumea klaineana Pierre), and …

[PDF][PDF] Effects of wood rays on the shrinkage of wood during the drying process

Q Xue, W Sun, K Fagerstedt, X Guo, M Dong… - …, 2018 - helda.helsinki.fi
To elucidate the origin of shrinkage anisotropy of wood during the drying process, wood
from three tree species, Quercus sp., Juglans nigra, and Pometia pinnata, was analyzed …

Caractérisation et variabilité des propriétés physiques et structurelles du bois du kevazingo, Guibourtia tessmannii, et de l'okoumé, Aucoumea klaineana, provenant …

JLZ Ondo, J Ruelle, J Dlouhá… - BOIS & FORETS DES …, 2021 - revues.cirad.fr
Résumé La caractérisation et l'analyse de la variabilité des paramètres structuraux et des
propriétés physiques du bois ont été réalisées chez le Kevazingo et l'Okoumé, deux …