2- Calculate the Design moment strength for the shown floor system. Span is 34 ft and: f=40,000 psi and f'.=4,000 psi.
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- Wood planks are used on each working level. The deck width/bearer span is 5 ft.. The bearers and posts are standard pipe and the pipe material is A36 steel with a yield stress of 36,000 psi and modulus of elasticity of 29,000,000 psi. Bearers are to be located at a vertical spacing of 10 ft (largest, lowest post height). Posts are to be 7 ft oc (plank length) parallel to the building wall and 5 ft apart (bearer length) perpendicular to the building wall. There are four working levels and the anticipated scaffold loading will be med duty. A. Assuming the ultimate bending strength of the planks is 3,800 psi (apply a 4:1 F.O.S.), determine the required minimum plank thickness to the nearest 100th. B. Based on the bearer material provided, what is the minimum pipe size that can be safely used? See Appendix 2 in your textbook for steel pipe properties. C. Based on the post material provided, can a 2” standard pipe be used safely? Be sure it satisfies buckling stress conditions only.Q # 2. Design an interior span slab of a concrete floor system with the following description: Span = 10 m Imposed dead load= 766 N/m² Live load= 4788 N/m? fc'= 27.58 MPa fy = 413.64 MPa (CLO2-C5/PLO3) (15)View Policies Current Attempt in Progress AW18 x 40 standard steel shape is used to support the loads shown on the beam. Assume P-20 kips, w-2.4 kips/ft. LB-3.2 ft. Lac- 3.2 ft, and Lcp-13.8 ft. Determine the magnitude of the maximum bending stress in the beam. LAB Answer: Omax" B Lac C eTextbook and Media ksi LCD x
- A rectangular bear has a wish of 300mm and a total depth of 650mm , calculate the area of steel reinforcement repral Take, M. 360kN.m f30 MPa and , 400MPCalculate the quantity of steel required for stirrups for the following beam. Y -2 - 12 Dia Anchor bars 4 - 16 Dia 8 mm Dia at 200mm C/C 2- 12 & 2 -16 Dia 650 mm 650 mm X Y 8 mm Dia at 350 mm C/C Clear Span 4000mm Clear Cover Bottom= 25mm Top= 25mm Ends=32mm Sp.Wt of Steel =7860kg/Cum 2- 12 mm Dia 2- 12 mm 2-16 mm Dia 2- 16 mm Dia 4- 16 mm Dia 550 mm 230 mm 1944.7 mm 550 mm -22² 12" 4#8 NWC. fe= 3000 psi, Grade 60 steel Mer=? (b) If M=50 (c) & Mn = ? ft-kips fc & fs = 1
- 75 mm 300 mm Exercise #3: The short legs of four 6" x 4" x ½“ angles are connected to a web plate 23 ½ “ x 5/16" to form the plate and angle girder shown below. Compute the value of īx. 24" X. Exercise #3: A10"-15.3 lb channel is welded to the top of a 14 WF 34 beam shown below. The wide flange beam has an over-all height of 14", an area of 10.00 in? and ix of 339.2 in“. Compute ỹ and the moment of inertia about the centroidal x-axis. Y.Determine (approximately) the force in each truss member of the portal frame. Assume all members of the truss be pin connected at their ends. (Kindly embed your answers). Assume the diagonals can support either a tensile or compressive force. (Provide complete solution, summary of results) E 1.5 k 15 ft F 2k D 15 ft – 2 k C 15 ft В -15 ftPrepare the Bar bending schedule of a simply supported R.C.C. Lintels from the following specification:Size of lintel 300mm wide x 200mm depth. Main bars in tension zone of Fe250(grade I) 3 bars of 16mm dia., one bar is cranked through 450 at 170 mm from each end2 No. anchor bars at top 8mm dia.Two legged stirrups@150mm c/c of 6mm dia. throughout.Clear span of the lintel is 1150mm.Bearing on either side is 150mm
- t 4#9 1) fé= 5000 psi r Grade 60 steel; 4 #9 Rebars, 5-9" t 4#9 NWC, 5-9" L = 25 ft & Mn = ? 4#9 14" $ 21" #3" Simple span 39AW18 x 40 standard steel shape is used to support the loads shown on the beam. Assume P = 27 kips, w = 2.8 kips/ft, LAB = 3.0 ft, Lec= 3.0 ft, and Lco = 16.4 ft. Determine the magnitude of the maximum bending stress in the beam. |C LCD LAB I LBC Answer: ksi OmaxQuestion 1 Check that the medium-term load of 38 kN applied to the spaced column shown in below complies with the design requirements of BS 5268-2. The column consists of two 38 x 150 C22 timbers 76 mm apart. All joints are glued and intermediate packs are 250 mm long. suitable connection #### x ->89² 6:38. Y T -end blocking AP 100 intermediate blocking L₂ 1₁ x W L W EFH 400 m 38kN medium term load -ICHICHID -200 600 600 600 600 600 600 200 38kN medium term load