Two pieces of wood are glued together, find the maximum load which the glued wood could carry that must not exceed 12 MPa normal stress and 7 MPa shear stress. P 30° P 100 mm Glued Section 100 mm
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- According to Figure 5-20, is ii possible to completely separate one of the four materials from the other three? Explain your answer.2. A timber column, 200 mm x 200 mm in cross section, is reinforced on each side by a steel plate 200 mm and t mm thick. Determine the thickness t so that the column will support an axial load of 1350 kN without exceeding a maximum timber stress of 8.30 MPa or a maximum steel stress of 137.90 MPa. The moduli of elasticity are 10.34 GPa for timber and 200 GPa for steel.Help me how to design the REINFORCED CONCRETE BEAMS WITH IRREGULAR CROSS SECTION as shown infigure 1 using the following parameters:F’c = 3,500 Psi Fy=Grade 40 Stirrups = Φ10mmMu = 200 Kn-M All Concrete cover = 30mm Es=200,000 Mpa Find the following: AC area of compression concrete stress block in mm. Assume z = 0.85dEff a height of compression concrete stress block in mm. c distance from the neutral axis to outermost compression fiber in mm. z actual moment arm for Mu=ØTz in mm. As actual area of tension steel in sq.mm. N quantity of Ø20mm steel rebars ЄS Actual Strain of steel ЄY Yield Strain of steel Check if the beam is singly reinforced concrete in the designed then concludeCheck: ЄY < = > ЄS Draw the Working Drawings of the x-section.
- A reinforced rectangular beam with width 437.5 and effective depth 692.5 is subjected to service liveand dead loads (self-weight included) of 56 and 70.5, respectively. If required, compressionsteel bars are to be placed at a distance d′ = 692.5 from the extreme compression fiber. Use ??′ =28 ??? and ??= 420 ???. Compute the following: 1. Solve for the area of tension steel bars using ?? = 0.004.2. Solve for the area of compression steel bars using ?? = 0.004.3. Solve for the area of tension steel bars using ?? = 0.005.4. Solve for the area of compression steel bars using ?? = 0.005please help! upvote will be given. NO LONG EXPLANATION NEEDED STRENGTH OF MATERIALS A wood beam carries the loading shown in the figure. calculate the magnitude of the bending stress (in Pa) at a point 34 mm from the top of the of the beam on a section 1.66 m from A if P = 5381 N, W = 2349 N/m, a = 1.31 m, b = 2.12 m, c = 1.27 m, L = 72 mm and h = 239 mm. Round off the final answer to two decimal places.Note: SN is equal to 18, topload will be equal to 118kN
- A piece of wood with a triangular cross section contains a rubberized joint to aangle θ with the vertical. The stress that the wood resists in tension is 20 MPa, the rubber resists10 MPa in tension and 12 MPa in shear. If θ = 60, determine the maximum load P.NEED HELP ASAP!! A floor system in a small building consists of wood planks supported by 2 in. (nominal width) joists spaced at distance s, measured from center to center (see the figure). The span length L of each joist is 10.5 ft, the spacing s of the joists is 15 in., and the allowable bending stress in the wood is 1,350 psi. The uniform floor load is 90 lb/ft^2, which includes an allowance for the weight of the floor system itself. (a) Calculate the required section modulus S for the joists. (b) Select a suitable joist size (surfaced lumber) from Appendix G, assuming that each joist may be represented as a simple beam carrying a uniform load. A. 2x4 in.^ B. 2x6 C. 2x8 D. 2x10 E. 2x12 Select a suitable joist size (c) What is the maximum floor load that can be applied to your final beam selection in part (a)?A cast iron 3m long is completely filled with concrete and used as a vertical strut. If the externaldiameter of the tube is 450mm and the wall is 35mm thick, determine the maximum compressiveload the composite strut can support if the stress in the concrete is not 2N/mm2? By how muchshould the strut shorten under this load? For cast iron EA= 100GN/m2 and for the concrete EB=10GN/m2?
- The square wood beam ABEF is reinforced at the bottom by a steel plate with a rectangularcross-section EFCD. a = 150mm, b = 150mm, h = 20mm, ?= 2m. The simply supported beamis subject to a uniformly distributed load with intensity ?.(1) Verify that the maximum bending moment in the beam is ?= ??2/8 ;(2) If the ratio of elastic moduli is ?steel/E wood= 8, determine the largest allowable intensity ?of the uniformly distributed load that can be applied. The working stresses are 2MPa for woodand 10MPa for steel.3 forces each magnitude F are applied to the crate determine F so that the 3 Forces are equivalent to 400 NThe aluminum block has a rectangular cross section and is subjected to an axial compressive force of 8 kip. If the 1.5-in. side changed its length to 1.500132 in., determine Poisson’s ratio and the new length of the 2-in. side. Eal = 10(103 ) ksi.