THE EFFECTS OF PRESERVATIVE MATERIALS AND IMPREGNATION PROCESSES ON PHYSICAL PROPERTIES OF: EUCALYPCTUS CAMALDULENSIS

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BAYAT KASHKOOLI R.; PARSAPAZHOUH D.

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

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Journal: IRANIAN JOURNAL OF NATURAL RESOURCES Year:2004 | Volume:57 | Issue:3 Page(s): 507-522

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Title

THE EFFECTS OF PRESERVATIVE MATERIALS AND IMPREGNATION PROCESSES ON PHYSICAL PROPERTIES OF: EUCALYPCTUS CAMALDULENSIS

Author(s)

BAYAT KASHKOOLI R. | PARSAPAZHOUH D. | Issue Writer Certificate

Keywords

WOOD PHYSICAL PROPERTIESQ4

PRESERVATIVES AND PRESERVATION METHODSQ4

REDRYINGQ4

SPECIFIC GRAVITYQ4

SHRINKAGEQ4

EUCALYPTUS CAMALDULENSISQ2

Abstract

Wood logs were supplied from Mamasani, Fars Province, from a population of planted eucalyptus trees. They were cut into 7x7x100 cm samples, and dried to below 20% moisture content.A split plot design was used for the experiment. Three impregnation methods namely Bethel, Rupping and Double rupping along with three preservatives as against control samples were employed. A creosote and two other water soluble preservatives were prepared with proper pH using AWPA standard. Results are indicative of reactions of wood as well as internal wood elements to impregnation. A decrease was observed in the overall SHRINKAGE in the treated samples. This was more pronounced in the Bethel creosote method. This indicates the stabilization of wood dimensions as a result of impregnation. Some reasons for this phenomenon could be cited as trans attachment of wood elements, subsequent drying in double drying process, and irreversible swelling. The SPECIFIC GRAVITY is less in treated samples as compared to control, this being more pronounced in the case of double rupping, and treated samples. with preservatives; chromium, fluorine and arsenic. This could be due to minor cracks on wood, microscopic cracks (inner layer fracture, cell wall ruptures, etc), increase in dimensions (of irreversible nature), and inflation of wood elements, double drying stresses and unexpectable leaching. Milder treatment methods such as rupping and use of less volatile elements of chromium, copper and arsenic (CCA) are preferred over others.

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APA: Copy

BAYAT KASHKOOLI, R., & PARSAPAZHOUH, D.. (2004). THE EFFECTS OF PRESERVATIVE MATERIALS AND IMPREGNATION PROCESSES ON PHYSICAL PROPERTIES OF: EUCALYPCTUS CAMALDULENSIS. IRANIAN JOURNAL OF NATURAL RESOURCES, 57(3), 507-522. SID. https://sid.ir/paper/22909/en

Vancouver: Copy

BAYAT KASHKOOLI R., PARSAPAZHOUH D.. THE EFFECTS OF PRESERVATIVE MATERIALS AND IMPREGNATION PROCESSES ON PHYSICAL PROPERTIES OF: EUCALYPCTUS CAMALDULENSIS. IRANIAN JOURNAL OF NATURAL RESOURCES[Internet]. 2004;57(3):507-522. Available from: https://sid.ir/paper/22909/en

IEEE: Copy

R. BAYAT KASHKOOLI, and D. PARSAPAZHOUH, “THE EFFECTS OF PRESERVATIVE MATERIALS AND IMPREGNATION PROCESSES ON PHYSICAL PROPERTIES OF: EUCALYPCTUS CAMALDULENSIS,” IRANIAN JOURNAL OF NATURAL RESOURCES, vol. 57, no. 3, pp. 507–522, 2004, [Online]. Available: https://sid.ir/paper/22909/en

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