C16 or C24 timber? Both are commonly used softwood in the UK. With the two timbers suited to specific loads, are you using the best timber for your project. 【Get Price】

3. for permissiable design, allowable section capacity S=0.6fy. 4. All load capacities are based on deck units spanning a minimum of 2 spans per length of deck unit. 5. unit weight of the decking material — 1000kg/m3. 6. NR — means Not Recommended for this span for any decking arrangement. 7. Design loads are based on the following material properties: 100mm x 25mm Section [RESIDENTIAL decking). > Flexural Strength (fy)= 12.0 Mpa > modulus of elasticity - 1000 Mpa. 8. 【Get Price】

4). 5). 6). Deck manufacturer and type;. Shear span length, L';. Concrete properties, including age; compressive strength, f' ; basic mix design, type of concrete (light-weight or normal)f and aggregate type and maximum size;. Steel deck properties, including cross-sectional area, As; location of centroid of steel area, Ysb? from bottom; steel thickness, td; depth of deck, dd; moment of inertia of steel deck, I:;;; yield strength, Fy; modulus of elasticity, E5 ; and sttrface coating condition of deck;. 【Get Price】

Final modulus of elasticity of the concrete = 34,800 MPa. Shrinkage. The ?nal design basic shrinkage strain etc,“ g 1,000 x 10—6. Cm: The characteristic compressive strength of concrete f'c = 50 MPa. The mean value of the compressive strength of the concrete at transfer. = 40 MPa. 9. Hog. Hog calculated in accordance with ASS100—2004, using: Loss due to relaxation = 5%. The modulus of elasticity of the concrete = 26,000 MPa. 10. Articulation. The deck units have been designed 【Get Price】

unit Axial Stresses . Spaced Columns, Condition "a" . t/d from 2 to 46 . 223. unit Axial Stresses . Spaced Columns, Condition "a" . P/d from 46 to 80 229. unit Axial Stresses . Spaced Columns, Condition "b" . t/d from 2 to 46 . .. modulus of rupture. modulus of elasticity. Work to proportional limit. Work to maximum load. Impact bending, height of drop causing complete failure. Compression parallel to grain. Fiber stress at proportional limit. Maximum crushing strength. 【Get Price】

(deformation per unit length). The basic mechanical properties of wood are obtained from laboratory tests of small, straight-grained, clear wood samples free of natural growth characteristics that reduce strength. Although not representative of the Shear modulus. G. Shear modulus relates shear stress to shear strain. The three shear moduli for wood are denoted GLR, GLT and GRT for the longitudinal-radial, longitu- dinal-tangential, and radial-tangential planes, respectively. 【Get Price】

modulus of elasticity. 29500 ksi. ?. Type N deck is well-suited for applications where it is desirable to space the supporting members as far apart as possible. This is often the case in structures such as gymnasiums where it is usually more economical to minimize the number of long span structural members by using type N deck to span large spaces. ?. Available with nested side laps only. ?. Available as an acoustic deck. Type NA deck is manufactured with perforations in the vertical 【Get Price】

Manual SO2: Modeling deck unit bridge superstructures for Jier f assessments). (iii) I and M have been Calculated using the transformed kerb width (b). The bef shall be based on the modified kerb dimension (b m x D m) and the properties as follows: Transformed kerb width b f = k kx b m k K = E kerb / E unit. E = modulus of elasticity of concrete for cast insitu kerb at maturity. E i = modulus of elasticity of concrete for precast unit at maturity. In the absence of more occurate information a 【Get Price】

10 Mar 2006 Tensile strength of concrete, f r or f ct. ? Flexure. ? Shear. ? Horizontal shear. ? modulus of elasticity, E c. ? Prestress losses. ? Development length for mild reinforcement. ? Transfer and development lengths for prestressing strand . 38. James River Bridge, Richmond, VA. I-95 through downtown Richmond. ? Replace deck while maintaining traffic. ? Prefabricated full-span units with lightweight concrete deck. - Max. dry density of 115 pcf for deck concrete 【Get Price】

Define modulus of elasticity. modulus of elasticity synonyms, modulus of elasticity pronunciation, modulus of elasticity translation, English dictionary definition of modulus of elasticity. n the ratio of the stress applied to a body or substance to the resulting strain within the elastic limit. The product's resistance to bending under a load, or modulus of elasticity, determines how much structure is needed to support the deck surface and the "feel" of the deck under the end-user's feet. 【Get Price】

A is the effective area to resist shear force, as shown in Table 2.2, V is the actual shear force, v is the virtual shear force due to unit load, G is the shear modulus of the section, calculated as /(2(1. )) E υ. +. , and k is the shape factor, assumed as 1.0. The shear stiffness is therefore. 4. 1,862kip/in. = = = ?. V. V. V. GA. P. K. kL. (2.13). The overall stiffness of the simply-supported, single-unit deck strip can be calculated using a parallel combination rule based on the results of Eq. (2.11) and 【Get Price】

Steel deck properties, including cross-sectional area, As; location of centroid of steel area, Ysb? from bottom; steel thickness, td; depth of deck, dd; moment of inertia of steel deck, I:;;; yield strength, Fy; modulus of elasticity, E5 ; and sttrface coating condition of deck;. Dead load;. Ultimate applied load, Fe' and type of load application;. Page 9. 768. THIRD SPECIALTY CONFERENCE. 7) Type of failure mode and description thereof;. 8). Specimen dimensions, including width b; length L; 【Get Price】

6 Jul 2012 What are Ec (S), Ec (D), and Ec (V) in composite beam design? Answer: Values for Ec (S), Ec (D), and Ec (V) are given as follows: Ec (S) is the modulus of elasticity for strength design. for LRFD, Ec (S) is taken directly as the modulus of elasticity of the material assigned to the composite section. for ASD, Ec (S) is calculated as 33 * gammac<sup>1.5</sup> * √f 'c (ksi), where gammac is the weight per unit volume (kips/in<sup>3</sup>) of the material assigned to the composite section. 【Get Price】

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