modulus of elasticity of wood deck

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    Determining In-Place Modulus of Elasticity of Stress ...

    27 · to evaluate the in-place modulus of elasticity (MOE) of the laminations in stress-laminated timber bridge decks. Prior to bridge deck construction, longitudinal stress wave and transverse vibration NDE techniques were used to determine the MOE of 40 Southern Pine lumber specimens. A strong correlative relationship

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    ON THE DETERMINATION OF THE MODULUS OF …

    7 · wood seems quite promising, particularly because of its inherent heterogeneity and anisotropy (Samarasinghe, 2000; Xavier, 2007). Nevertheless, a great effort still remains to be done in order to systematically use these techniques in the context of wood mechanics. The longitudinal modulus of elasticity (EL) of maritime pine (Pinus

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    Section 9 — Wood structures

    16 · laminated wood deck using a single bar at each anchorage (the bar being situated at the neutral axis of the wood deck). Joist (grading term) — sawn wood that is 38 to 89 mm thick, at least 114 mm wide, and intended to be ... 05 = 5th percentile of the modulus of elasticity, MPa E

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    Modulus of Elasticity | Stiffness Chart for Wood Decking

    Modulus of Elasticity (MOE) Ratings for Wood Decking (1000 psi) Modulus of elasticity ratings are derived from the stiffness or resistence to bending of the particular wood species. These ratings pertain to longitudinal modulus of elasticity, not tangential or radial ratings. (1)

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    NDS Structural Wood Design Examples 2015/2018 Edition

    21 · E' 1453500psi Adjusted ASD/LRFD Modulus of Elasticity (E') Determine Beam and Column Stability Adjusted Modulus of Elasticity (E min') with ASD Factors Wet Service Factor CME 0.9 (NDS Supplement Table 4A) Temperature Factor CtE 1.0 (NDS Table 2.3.3) Incising Factor CiE 0.95 (NDS Table 4.3.8) Buckling Stiffness Factor CT 1.0 (NDS 4.4.2)

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    Modulus of elasticity in scarf-jointed wooden beams: a ...

    27 · modulus of rapture values. Modulus of elasticity in all the studied joints was not affected by finger jointing and ranged in the same level values of the control solid wood. Using polyvinyl acetate (PVA) for bonding of finger-jointed Beech wood originating from Albania and Greece, the effects of the finger length (4.5, 6.5 and 9.0 mm), and

    Get price

    Determination of the modulus of elasticity of wooden ...

    15 · Although the modulus of elasticity in bending parallel to the glue line values of all samples were higher than solid wood (6720 N/mm 2), the maximum value was obtained in the laminated control specimens produced with polyurethane adhesive without using support materials (17800 N/mm 2).

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    Young's Modulus (Modulus of Elasticity) of Wood

    89  · Young's Modulus of Woods Along the Longitudinal Axis: Kind of Wood: Moisture content: …

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    Assessing the impact of wood decay fungi on the …

    12 · Assessing the impact of wood decay fungi on the modulus of elasticity of slash pine (Pinus elliottii) by stress wave non-destructive testing Zhong Yang a, b, Zhehui Jiang b, Chung Y. Hse c, Ru Liu a, b, * a Research Institute of Forestry New Technology, Chinese Academy of Forestry, Haid, Beijing, China b Research Institute of Wood Industry, Chinese Academy of Forestry, Haid ...

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    Determining In-Place Modulus of Elasticity of Stress ...

    27 · to evaluate the in-place modulus of elasticity (MOE) of the laminations in stress-laminated timber bridge decks. Prior to bridge deck construction, longitudinal stress wave and transverse vibration NDE techniques were used to determine the MOE of 40 Southern Pine lumber specimens. A strong correlative relationship

    Get price

    Modulus of elasticity of I young poplar wood …

    16 · The poplar wood industry chain from planted forests takes a strategic position for the creation of a competitive, profitable, and highly technological bioeconomy in the world. Niche sectors such as buildings can find in poplar wood an effective ally to reduce its carbon footprint and ecological backpack. For the poplar wood, it is important to understand the huge significance of the proper ...

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    Measurement of the dynamic modulus of elasticity of …

    This study investigated the dynamic modulus of elasticity (DMOE) of wood panels of Fraxinus mandshurica, Pinus koraiensis, and Juglans mandshurica using the natural frequency measurement system of fast Fourier transform (FFT). The results were compared with the static modulus of elasticity (E S) tested by a mechanical test machine.

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    Modulus of elasticity of I young poplar wood …

    16 · The poplar wood industry chain from planted forests takes a strategic position for the creation of a competitive, profitable, and highly technological bioeconomy in the world. Niche sectors such as buildings can find in poplar wood an effective ally to reduce its carbon footprint and ecological backpack. For the poplar wood, it is important to understand the huge significance of the proper ...

    Get price

    Modulus of Elasticity | Stiffness Chart for Wood Decking

    Wood Decking Wood Siding Wood Flooring All Species. Modulus of elasticity ratings are derived from the stiffness or resistence to bending of the particular wood species. These ratings pertain to longitudinal modulus of elasticity, not tangential or radial ratings. (1) Massaranduba, Brazilian Redwood 3,450 Kpsi. Ipe, Brazilian Walnut 3,140 Kpsi.

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    Wood Handbook, Chapter 05: Mechanical Properties of …

    13 · The modulus of elasticity determined from bending, EL, rather than from an axial test, may be the only modulus of elasticity available for a species. Average EL values obtained from bending tests are given in Tables 5–3 to 5–5. Repre-sentative coefficients of variation of EL determined with bending tests for clear wood are reported in Table ...

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    Modulus of Elasticity of Schizolobium amazonicum …

    The aim of this research is to evaluate the modulus of elasticity of structural size pieces of Schizolobium amazonicum wood using the technique of transverse vibration. Tests were carried out using 30 pieces (standard moisture content 12%) with sizes of 3 cm x 15 cm x 2.5 m.

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    On the frequency dependence of the modulus of …

    20 · Modulus of Elasticity, MOE, of wood. It has in fact been reported in several publications on wood that depending on the technique used in the test experiment, the value of the MOE depends to some degree on the frequency at which it is evaluated. The …

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    Wood Handbook, Chapter 11: Mechanical Properties of …

    21 · Modulus of Elasticity Elasticity implies that deformations produced by low stress below the proportional limit are completely recoverable after loads are removed. When loaded to stress levels above the proportional limit, plastic deformation or failure occurs. Typically, the stress–strain curve for wood-based compos-

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    DYNAMIC DETERMINATION OF THE MODULUS OF …

    4 · DYNAMIC DETERMINATION OF THE MODULUS OF ELASTICITY OF MARITIME PINE CROSS-LAMINATED PANELS USING VIBRATION METHODS GIAN FELICE GIACCU1, DANIEL MELONI2, MONICA VALDÈS2 & MASSIMO FRAGIACOMO3 1Department of Architecture, Design and Urban Planning, University of Sassari, Italy 2Department of Civil and Environmental Engineering and …

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    Static bending strength and modulus of elasticity in ...

    6 · wood (Wagenfuhr 2000) the modulus of elasticity at bending strength is betw N/mm. 2. We can observe that, in this case, thevalue of modulus of elasticity is less, in beech wood from thinning than in normal wood: with 8% for E. 8. and with 15% for E. 12. At 8% moisture content the modulus of elasticity at bending strength is higher

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    DYNAMIC DETERMINATION OF THE MODULUS OF …

    4 · DYNAMIC DETERMINATION OF THE MODULUS OF ELASTICITY OF MARITIME PINE CROSS-LAMINATED PANELS USING VIBRATION METHODS GIAN FELICE GIACCU1, DANIEL MELONI2, MONICA VALDÈS2 & MASSIMO FRAGIACOMO3 1Department of Architecture, Design and Urban Planning, University of Sassari, Italy 2Department of Civil and Environmental Engineering and …

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    Flexure modulus of elasticity in living branch wood

    9 · Flexure modulus of elasticity in living branch wood Dwight Carpenter West ia University Follow this and additional works at: https://researchrepository.wvu.edu/etd Recommended Citation Carpenter, Dwight, "Flexure modulus of elasticity in living branch wood" (2014). Graduate Theses, Dissertations, and Problem Reports. 374.

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    Measurement of the dynamic modulus of elasticity of …

    Front. For. China (2006) 4: − DOI 10.1007/s 3 LIU Zhenbo, LIU Yixing, YU Haipeng, YUAN Junqi Measurement of the dynamic modulus of elasticity of wood panels

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    Assessing the impact of wood decay fungi on the …

    12 · Assessing the impact of wood decay fungi on the modulus of elasticity of slash pine (Pinus elliottii) by stress wave non-destructive testing Zhong Yang a, b, Zhehui Jiang b, Chung Y. Hse c, Ru Liu a, b, * a Research Institute of Forestry New Technology, Chinese Academy of Forestry, Haid, Beijing, China b Research Institute of Wood Industry, Chinese Academy of Forestry, Haid ...

    Get price

    Section 9 — Wood structures

    16 · laminated wood deck using a single bar at each anchorage (the bar being situated at the neutral axis of the wood deck). Joist (grading term) — sawn wood that is 38 to 89 mm thick, at least 114 mm wide, and intended to be ... 05 = 5th percentile of the modulus of elasticity, MPa E

    Get price

    On the frequency dependence of the modulus of …

    20 · Modulus of Elasticity, MOE, of wood. It has in fact been reported in several publications on wood that depending on the technique used in the test experiment, the value of the MOE depends to some degree on the frequency at which it is evaluated. The …

    Get price

    Determination of modulus of elasticity of wood from ...

    1 · A method of determining the modulus of elasticity of wood in three different directions, from vibrating reed test results, is detailed. This procedure is based on the resonance method of determining vibration characteristics and, in conjunction with a simple mathematical model, yields information regarding the material properties of wood, such as its elastic properties.

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    ON THE DETERMINATION OF THE MODULUS OF …

    3 · the deformation analysis of wood seems quite promising, particularly because of its inherent heterogeneity and anisotropy (Samarasinghe, 2000; Xavier, 2007). Nevertheless, a great effort still remains to be done in order to systematically use these techniques in the context of wood mechanics. The longitudinal modulus of elasticity

    Get price

    Modulus of elasticity in scarf-jointed wooden beams: a ...

    27 · modulus of rapture values. Modulus of elasticity in all the studied joints was not affected by finger jointing and ranged in the same level values of the control solid wood. Using polyvinyl acetate (PVA) for bonding of finger-jointed Beech wood originating from Albania and Greece, the effects of the finger length (4.5, 6.5 and 9.0 mm), and

    Get price

    Determination of the modulus of elasticity of wooden ...

    15 · Although the modulus of elasticity in bending parallel to the glue line values of all samples were higher than solid wood (6720 N/mm 2), the maximum value was obtained in the laminated control specimens produced with polyurethane adhesive without using support materials (17800 N/mm 2).

    Get price