Problem 2.8 - The 400-kg precast concrete section is hoisted by a vertical force 'T' from a crane. Find the tension in cables AB, AC, AD. 3 m IN 3.m A m 5 m kumm mmm பஜ்ாட் 1 m ....................... 1 m. X
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Given:
Weight of concrete section = 400kg
Required :
Tension in cable
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- pls help ASAP absolute value of torential sheer stress of the hollow steel Two circular shafts are joined together between fixed supports to resist a torsional moment of 80 kN-m as shown. Determine the absolute value of the maximum torsional shear stress of the hollow steel shaft (in MPa). 8o N-m Sm steel Iel tiraler dhmmum Selid circalor D= 75 my D 8o mm G GA G 1S0 EPQL/ Twe rad have the Same cross- Sectional area; Mad from steel anel Bron ze as shown in fig1. Find the stress in each rood when Est = 200GPa j Eb=83Gpa. br st 3m 30 30 Fig1T'he pin is made of a material having a failure shear stress of Tail = 100 MPa. Determine the minimum required diameter of the pin to the nearest mm. Apply a factor of safety of F.S. = 2.5 against shear failure. %3D 80 kN
- Which of the following is an allowable stress design concept. O Alternate Basic Load Combinations O OMn O 1.2D+1.6L O Rn = FyAgS9. Knowing that the allowable normal stress for the steel used is 150 MPa, select the most economical metric wide-flange beam to support the loading shown in Figure 9.0. 50 kN/m A D B -2.4 m- 0.8 m 0.8 m Figure 9.0 $10. Determine the average shearing stress in the web of the beam indicated and check whether the design obtained earlier for that beam is acceptable, knowing that the allowable shearing stress for the steel used is 110 MPa. Consider the beam of $9 above.Question-02Describe the various types of stresses developed in the shaft AB due to load P acting at the end C as shownin Figure 1.
- y Flood water Ground Level Figure Q1bhinz 1. For the beam cross section below, determine the amount of steel As required to cause the strain in the tension steel & to be 0.005 just as the maximum strain in the concrete reaches 0.003. fc' = 3000 psi and fy = 60,000 psi. N.A. b= 10"- Cross Section d = 23" [7422 4233 134 S THE THE CALE DES 2 23-c me Like phans 0.005 PANE Strain 0.003 P HOME st 0.85f Stress 6 I.C. Nc NT * * * * * DelormeItem 2 Figure 1 A D of 1 -0.5 m- 400 KN B -0.5 m C 0.4 m Part A The assembly consists of two posts AD and CF made of A-36 steel and having a cross-sectional area of 1100 mm², and a 2014-T6 aluminum post BE having a cross-sectional area of 1700 mm². If a central load of 400 kN is applied to the rigid cap, determine the normal stress in each post. There is a small gap of 0.12 mm between the post BE and the rigid member ABC. (Figure 1) Enter your answers, separated by commas. JAD, CF, OBE = Submit O Π| ΑΣΦ ↓↑ My Answers Give Up vec ? MPa Provide Feedback Continue
- Where is/are the location(s) of the maximum transverese shear stress? A simple I-beam is loaded as shown. 20 mm P KN PKN PKN Į Į -C B с D L/4 m L/4 m Midspan at point C Roller at E at the NA Section B at the top fiber Pin A at point C Midspan at point D Roller E at point D L/4 m L/4 m OE 20 mm 20 mm- 250 mm 150 mm 150 mm A1) Find the allowable safe loadpf the stressec in the ban are fhe following BC - so ksi ABE GO feri CD = 70 ksi 0.4 in2 0.5 n2 0.3 n? op - P4 A 13Question 8 1 p The rectangular doubly reinforcement stress concrete block with the arrangement of reinforcement of 2N28 bars on top and 3N28 bars on bottom. The modulus of elasticity are Ec=23,500MPa and Es = 200,000MPa. Dead load is 18KN/m and live load is 12KN/m. f'c = 25MPa 800 TE 730 N12 ligs (fsv.t-500MPa) Ast = 3N28 350 Span = 10m Figure 3 Calculate the concrete stresses in tension and compression of the reinforcement concrete beam shown in Figure 3. Compression concrete stress Choose ] Tension Concrete stress Choose]