cest results 28 day splitting t Date of testing: 1 ht of Maximum Load F er(kg) (kN) 44 96.91 63 109.32 ngth viation
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Compare the compressive strength and the splitting tensile strength.of following concrete.
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- sinav.gelisim.edu.tr/ExamUser/Take?examSessionld The yield imit for a typE of steel material is determined to k3600 keran. Detemine the permissible (allowable> tensile sress for this material acxording to S64S. (o r=) D 2,16 ton/cm² 23.60 ton /cm² 2 2,04 ton /cm² 1,44 ton /cm2 DBoş bırak КарatCurrent Attempt in Progress A polymer cylinder (2) is clamped between rigid heads by two steel bolts (1). The steel [E = 29,000 ksi; a = 6.5x10-6/F] bolts have a diameter of 0.35 in. The polymer [E = 370 ksi; a = 37.2x 10-/°F] cylinder has an outside diameter of 6.9 in. and a wall thickness of 0.65 in. Assume a = 28 in. and b = 34 in. If the temperature of this assembly changes by AT = 130°F, determine: (a) the normal stress in the polymer cylinder. (b) the normal strain in the polymer cylinder. (c) the normal strain in the steel bolts. (1) (2) (1) b. Answer: (a) 02 = psi. (b) €2 = (c) E1 = Save for Later Attempts: 0 of 1 used Submit Answer NWP Assessme. NWP Assessme. O ManyCam Desktop 30°CFor the cross-section shown below, use fe' = 4500 psi and fy = 70 ksi, and compute the following: %3D a) The moment of inertia of the gross section, I b) The moment of inertia of the cracked cross-section, Ier c) The cracking moment, Mer 3" 6" 3" 6" 3" 6" 24" 4 #10 O o o o 3" t 16"
- 15 kip Specific Weight y Elasticity E Rigidity G (Ib/in") Modulus of Modulus of Yield Strength (ksi) Materials (10) ksi (10) ksi Tens. Comp. Shear A - Structural A36 - Stainless 304 - Tool L2 0.284 29.0 11.0 36 36 Steel 0.284 28.0 11.0 30 30 Alloys 0.295 29.0 11.0 102 102 2 ft 4 kip 4 kip The A-36 steel bar shown in the figure is made from two segment shaving cros OSS- B sectional areas of AAB-lin^2 and ABD=2in^2. Determine the vertical displacement of end A and the displacement of B relative to C. 1.5 ft 8 kip 8 kip| C 1 ft DYou are to evaluate the feasibility of a cencrete infill in a hollow structural steel section subjected only to pure berding Specifically, you are tasked to determine if there will be an increase in the bending mament capacity from a hollow structural square steel section with the following dimensions shown to a concrele filled steel tube 6 mm 100 mm Material Properties: Yield stress af Steet fy, steel - 420MPa Etaul = 200G Pa Maximum compressive strength of Concrete: fe = 27M Pa Eurede = 4700VT.(e und Eanerate in MPa Under elastic stress analysis, the stress distribution within the concrete filed steel tube is as follows, NA o, - EE, Steel Stress Concrete below the NA Is not considered for analysis Concrete Stress Distribution Distribution This stress distribution is for the untransformed cross section. Moreover, since concrele carry little to na tensile stresses, the portion of the concrete below the neutral axis which resist tensile stresses will nat be considered in the anahlysis…A 15" long rod, pinned at both ends, with radius of 1/2 ", made from 6061 T6 Aluminum is subjected to a compressive axial load of 10 Kips. Question 4 of 6: What is the axial strain in the rod? ( in percent) O .0013 O .13 O 1.3 O 13
- Stress on an ique Plane under al Loading 12 Stress under eneral Loading onditions; Components f Stress 1.13 Design Considerations Review and Summary for Chapter 1 PROBLEMS REVIEW PROBLEMS COMPUTER PROBLEMS 2 Stress and Strain-Axial Loading 44°F Mostly cloudy AN DEVELOPMENT 2.12 A nylon thread is to be subjected to a 10-N tension. Knowing that E = 3.2 GPa, that the maximum allowable normal stress is 40 MPa, and that the length of the thread must not increase by more than 1%, determine the required diameter of the thread. 76 = 3 8 Search PAPER PERFORMANCE IN ALL 3.510:59 0.63 a. Y l KB/S VPN tutorial 1.pdf Axlal 1oads are applied to uie compounu rou inal is composeu of an aluminum segment rigidly connected between steel and bronze segments. (a) What is the stress in each material given that P = 10 kN? (b) Find the largest safe value of P if the working stresses are 120 MPa for steel, 68 MPa for aluminum, and 110 MPa for 2. Aluminum Steel A=300 mm² Bronze A=400 mm? A=600 mm² 2P 4P 3m -5m 4m bronze. Answer: a) 0one = 50 MPa; ouminum = 33.3 MPa; oel = 100 MPa ; b) P = 12KN A circular aluminum tube of length L = 400 mm is loaded in compression by axial forces P at the ends. The ou inside diameters are 60 mm and 50 mm, respectively. A strain gage is placed on the outside of the bar to measur strains in the longitudinal direction (axial direction). (a) If the measured compressive strain is ɛ = 550×10-6 , what is the shortening ô of the bar? (b) If the compressive stress in the bar is intended to be 40 MPa, what should be the load P? Answer: a) 8 = 0.22…A 12.5-mm round structural steelrod is loaded in tension to fracture. The 200-mm gagelength of the rod was marked off in 25-mm lengthsbefore loading. After the rod broke, the strain in the50-mm containing the fracture was found to be 0.45mm/mm, and the total elongation of the other 150 mmwas found to be 37.5 mm. Determine the averagestrain for the 200-mm gage length.
- zain 10 2G 3G zain IQ Z Questions of Lectu... -> Questions of Lecture Five: Q1)) Define the following: 1) The stress & the strain 2) Mechanical stress and mechanical strain 3) yield strength and tensile strength 4) Modulus of elasticity and the strain hardening Q2)) Fill the following blanks: 1)) Tensile tests are used to 3)) The most application tests of applied static stresses to which materials can be subjected are ----------, ----------, ---------- 4)) Tensile stresses cause ----------, and compressive stresses ----------, while shear stresses --------, of the material. 5)) Engineering stress-strain is important in ---------, while the true stress-strain is important in ----------. 6)) The unit of mechanical stress is --------- or ----------, while the unit of strain is 7)) In compression test, when specimen is compressed, its height is ----------, and its cross-sectional area is ----------. 8)) Compression is in contrast to the tensile, the compression test contributes to the…M 1:A I. 3, O photo_2021-02-1.. -> 200 streas (MPa) 100 50 strain From the tensile stress-strain behavior fer the brass specimen d the diamcter is 12-8 mm Calculate the faibuding :- |- The Yield stress. 2-Modulus of elasticity. 3 - The Tensile strength . II25 mm PROBLEM 2.49 Brass core E- 105 GPa a- 20.9 x 10c The aluminum shell is fully bonded to the brass core and the assembly is unstressed at a temperature of 15°C. Considering only axial deformations, determine the stress in the aluminum when the temperature reaches 195°C. Aluminum shell E - 70 GPa a- 23.6 x 10rc 60 mm