You are hired to design a steel beam. The beam will need to span a 24ft gap and carry a point load of 16kips at its midspan. The client requires you to use a W12 section made from A36 steel due to space constraints. Which of the following is the lightest W section that will work for the beam. W12x30 W12x40 W12x50 W12x58
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- A steel plate (called a cover plate) having cross-sectional dimensions W2 5.0 in. x 0.4 in. is welded along the full length of the bottom flange of a W, 12.0 in. x 87.0 in. wide-flange beam (see the figure, which shows the beam cross section). I W2 cover plate What is the percent increase in the smaller section modulus (as compared to the wide-flange beam alone)? Round your answer to two decimal places. % in smaller section modulus =A steel plate (called a cover plate) having cross-sectional dimensions W2 7.0 in. x 0.6 in. is welded along the full length of the bottom flange of a W1 12.0 in. × 14.0 in. wide-flange beam (see the figure, which shows the beam cross section). W2 cover plate What is the percent increase in the smaller section modulus (as compared to the wide-flange beam alone)? Round your answer to two decimal places. % in smaller section modulus =|5 5a 5b 5c Alaterally supported beam was designed for flexure. The beam is safe for shear & deflection. The most economical section is W 8 x 13 however the said section is not readily available at the time of the construction. If you are the engineer in charge of the construction what alternative section will be the best replacement? Why? Use: Fy=248 MPa: E=200,000 MPa Designation Ag (mm2) Weight kg/m 1910 19 30 width 24 flange. thickness d (depth) mm 200.41 bf 100.06 W8 x 10 4.32 15 expla'n briefly your cho'ce. (transform your comparative analys's 'nto a narat've form to support your cho'ce) W8 x 13 2477 202.05 101.60 6.48 W6 x 20 3787 157.48 9.27 152.91 102.36 W6 x 16 3058 159.51 10.29 tf Web 5.21 thickness tw Elastic Properties mm 4 Ix x 106 mm 3 Sx x 103 5.84 6.60 6.60 13 16 17 13 126 162 220 167 mm rx 81.79 81.53 67.56 66.04 mm 4 lyx 106 1 1 6 2 mm 3 Sy x 106 17 22 72 36 mm ry 21.36 21.41 38.10244 24.54 Plastic properties mm 3 Zx x 103 145 187 244 192 mm 3 Zyx 103 27 35 110 56…
- Pls answer the letter E Steel designWhich of the following is the most efficient column section? O Pipe Wide Flange Square tubing Double AngleA steel plate (called a cover plate) having cross-sectional dimensions 5.6 in. x 0.48 in. is welded along the full length of the bottom flange of a W 12 x 50 wide-flange beam (see figure, which shows the beam cross section I W 12 × 50 5.6 x 0.48 in. cover plate O What is the percent increase in the section modulus (as compared to the wide-flange beam alone)? (Assume bending around the horizontal centroidal axis.)
- 7 7a 7b 7c Alaterally supported beam was designed for flexure. The beam is safe for shear & deflection. The most economical section is structural tubing however the said section is not readily available at the time of the construction. If you are the engineer in charge of the construction what alternative section will be the best replacement? Why? The section is 8" x 8" x 7.94 mm thick: Use Fy=248 MPa: E=200,000 MPa AISC wall thickness Ix 106 S x 103 Jx 103 mm4 mm3 mm4 rx =ry Area Ag (mm2) mm Designation Weight/m 8x8 7.94 47.36 6,039 79.25 37.84 371.99 60.35 expla'n briefly your cho'ce. (transform your comparative analys's 'nto a narative form to support your cho'ce) 8x8 14.29 80.61 10,258 76.2 59.52 585.02 99.06 8x8 72.7 9,290 76.96 54.53 539.13 90.32 8x8 9.53 56.09 7,161 78.48 44.12 432.62 70.76 mm 12.7 Zx 103 mm3 437.53 714.48 650.57 512.92Assuming Fe410 steel, classify the following sections: (a) ISLB 350 @ 472 N/m (b) ISHB 400 @ 806 N/m (c) ISMB 450 @ 710 N/m (d) ISA 80 x 80 x 8An under-reinforced beam section given below. What could be the maximum design load (Pa) on the beam. Materials C30/37 and B420C. Ignore beams' own weight! Pa Pd H A 2 m 2 m, 2 m B As 1500 mm² 300 mm > Cross-section 470 mm 30 mm
- Define and discuss the two methods used in the design of steel members. What are the advantages and shortcomings of the two methods?For axially loaded steel column, how could you determine that your section is safe? In case of failure in your as- sume section, what would be your adjustment in your design to make it safe?Note: Hi, pls need help. Any solutions are highly appreciated. I will rate this right away. Thank you in advance! What is the required diameter of sag rods in mm? Considering sag rods and tie rods at midspan (rounded value) A 20m Fink Truss are spaced at 'S' meters o.c. the purlins are made up of C10X20 sections and are spaced 1.1967m on centers. The truss has a height of 4m. Roof LL is 'RLL' N/m2 of roof surface and roof covering is assumed to be 'RDL' N/m2 of roof surface. Determine whether the purlins are adequate to carry such loadings. Given: Fy=248 MPa w=29.76 Kg/m A=3787.09 mm^2 Ix=32.84×10^6 mm^4 Iy=1.17×10^6 mm4 Zx=317.91×10^3 mm3 Sx=258.92×10^3 mm3 Zy=44.25×10^3 mm3 Sy=21.47×10^3 mm3 S= 6 m RLL=900 N/m^2 RDL= 900 N/m^2