A single span beam is simply supported between two columns and carries a reinforced concrete slab in addition to the column and loading shown in Figure below. Assume S275 steel and that dead loads are inclusive ofself weightbad = 10+35=45KN/m Mmax @ Mdesign = wL^28 Loads 35 KN m Slab Loads l KN m Figure Q3 Find the reactions at its respective supports due to the loads. Draw shear and bending moment diagrams Select a suitable standard universal beam and check the suitability of the section b) c) respect to shear and moment.

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2. A monolithic floor framing plan is shown in the figure. The columns are 300 mm square, girders are 250mm wide by 450 mm deep and slabs are 100 mm thick. The floor loads include floor finish of 0.77 kPa, ceiling system of 0.25 kPa, partition load of 1.0 kPa and live load of 4.8 kPa. Bar centroid from the edge of the beam is 70mm. Calcualte the following: a. Total factored floor load in 2 decimal places,  ____?____  kPa b. Total factored uniform load on girder GH in 2 decimal places, ____?____  kN/m c. Maximum ultimate bending moment at discontinuous end of girder GH to the nearest whole number =  ___?_____ kN·m

Compression Steel  Given: The beam cross-section shown have the following cross-sectional properities:  f'c = 4000 psi  Find phi Mn.

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Which of the following best gives the nominal shear strength of a beam, Vn? O FyAw O FySx O 1.0Fydtw O 0.6Fydtw

A lightly welded steel beam shown in Figure 5 is continuously supported along its length. A downward concentrated load of 4P acts at Point C, and two downward concentrated loads P act at Points A and E. The beam with full lateral restraint is bent about its major principal x-axis. Determine the followings: a. Section type based on section slenderness; b. Effective section modulus; c. The maximum design value of P. A k B fu 6 m d tw bf 6 m tf 4P d bf tw tf = - = fyf= fyw 6 m D um * 550 mm 206 mm 6 mm 10 mm 320 MPa = 340 MPa Zx=1362985 mm³ Sx 1533750 mm³ Figure 5 Steel beam under design loads. 6 m P E

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The answer is between 18.25 and 20.25

A cantilever beam with a ‘T’ shaped cross-section is loaded with a distributed load as shown below.The intensity of the distributed load is 100N/mm. b = 6.25mm and c=6.25mm.Parameter Description Value UnitsL - Beam length 250 mma - Width of the flange 80 mmd - Height of the web 75 mmσ - Yield stress 250 MPaYou are tasked with ensuring the beam can withstand the applied loading. To do this you must:a) Calculate the centroid for the given cross-section. Your value of ?ത should be measured fromthe bottom of the section. Determine an expression for Q (statical moment of area) for thegiven shape. The expression(s) for Q should be in terms of the variable, y, measured from thebottom of the section. b) Create a graph of the shear and bending stresses at the fixed support (B) over the crosssection. The stresses should be plotted as a function of y, measured from the bottom of thesection.