A simply supported pre-tensioned T-beam, as shown in Figure (2) has: f'ci 25MPa; f'-40 MPa; span length is 12m; Total Aps-800mm² for tendons; initially stress in the tendons is 1000 MPa. Consider 20% the total losses of pre stressed force then determine the allowable service live load can be carrying. 150mm 600mm T 500mm T Aps-800 mm² 50mm 150mm Typical Cross section Figure (2)

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 EP

2. A distributed load of W N/m is applied over the entire length of a simply supported beam 4m long. The beam has a cross section shown. -200- 20 120 160 20 -160- a. Which of the following gives the value of "W" so that it will not exceed an allowable flexural stress of 10 MPa. b. Which of the following gives the value of "W" so that it will not exceed an allowable shearing stress of 0.80 MPa. c. Which of the following gives theh value of "W" so that the screws have a shear strength of 800 N and a pitch of 50 mm.

EYA 98 B/s docs.google.com/forms 100 Papertine J MA Papertine Papertine 45 - ls- das #2: For the Simply supa ted beam having the Sechin Shown and londed partially, Find: 1. Draw the bending moment diagram ? 2. Find the value of the maximum bendig moment Mmak 3. Find the value f the maximum bending stress Vmax ال لعة البطم رات المطع الو ضع المكل والحملة ۱. أسم الر البان لعن اوكماو : Mmax sls! e de i ană fic أوجه تعة أ على إ دإما کے ļ Umax KN/m - 20 Cm 4 1 m. 2 m. 1 m. Neutral 40 cm Axis Beam (AB) Beam Cross- Section ت إضافة ملف

P 130 mm 25 mm 25 mm P P 3. Assume that the axial load P applied to the lap joint is distributed equally among the three 20-mm-diameter rivets. What is the maximum load P that can be applied if the allowable stresses are 40 MPa for shear in rivets, 90 MPa for bearing between a plate and a rivet, and 120 MPa for tension in the plates?

Q3) The beam system has a pin support at A, roller supports at D and F, and internal hinges at C. Find the deformations at C and E using the conjugate beam method. 10 kN A C D E F 100 kN-m k5 mt-5 m--5 m5 m-k10 m- = 100 x 10° mm*, and ICF Given: E = 200 GPa, IAC 50 x 10° mm“. %3D لقطة شاشة

1) 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 13

1%9. l. In. • f 10 Y:- quiz2.pdf > Quiz: Design the reinforcement steel that necessary for the shcar and torsion for the rectangular cantilever beam shown in figure. Use for stirrups (o12) and let f.=25 MPa, f-400 MPa, dead load (5 kN/m?) and live load (10 kN/m), take into account the self-weight of beam. All dimensions in (mm) 1000 800 3000 300 Cnand TEXTEDT II

Acantilever beam AB, loaded by a uniform load (see figure), is applied on a channel section. If the cross section has the dimensions indicated and the moment of inertia about the z axis (the neutral axis) is I= 3.36 in" Find the maximum tensile stress fhtMAX and maximum compressive stress facMAX (Note: Draw the shear and moment diagram). 2.5 lb/ft 0.617 in. Z- C 2.269 in. 6.0 ft

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 A