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2.736 in 2 Incorrect 0/1 pts Question 6 Assume a rectangular section with b=8in and d=12in,...
Assume a rectangular section with b=8in and d=12in, subjected to a positive moment greater than the...
Assume a rectangular section with b=8in and d=12in, subjected to a positive moment greater than the cracking moment. For concrete with specified compressive strength of 4,000psi and steel Grade 60, what is the area of tensile steel that will move the neutral axis as far as possible down (towards the tensile steel side) per ACI. A. 5.525 in^2 B. 2.736 in^2 C. 1.978 in^2 D. 0.3168 in^2
2. A rectangular beam, 400 x 600 mm gross dimension, is cast using a concrete strength...
2. A rectangular beam, 400 x 600 mm gross dimension, is cast using a concrete strength of fc 30 MPa, reinforced with 5-25 mm diameter steel bar at the effective depth of 500 mm. If is subjected to a moment, M 130 kN-m. Determine the following: Magnitude of the bending moment that cracks the singly-reinforced beam section. (10 pts) b. For the computed cracking moment, determine the maximum compressive stress in the concrete and the stress in the tension steel....
Question 5 10 pts (5) A rectangular section has a total depth of 30.0 in, and...
Question 5 10 pts (5) A rectangular section has a total depth of 30.0 in, and gross moment of inertia - 30x10 in.' is made of concrete with a modulus of rupture = 400 psi, the cracking moment is most nearly 133.33ft kip 33.37 ft-kio 150.13ft kip 66.67 ft-kip Question 6 10 pts (6) According to ACI 318-19 code, the immediate maximum calculated deflection due to live loads of floors not supporting or attached to nonstructural elements likely to be...
Answer the following questions for each cross-section below using the Equivalent Rectangular Stress Block (Whitney Stress...
Answer the following questions for each cross-section below using the Equivalent Rectangular Stress Block (Whitney Stress Block) for compressive stresses in the concrete. (72 total points) A. What is the nominal moment capacity of the beam (Ma)? [6 points) B. What is the distance from the top of the beam to the neutral axis (c)? [2 points] C. Assuming the concrete reaches a strain of 0.003, what is the strain in the extreme tension layer of reinforcing steel? Draw the...
3. Calculation questions (20 scores for each question, 60 scores in total) |(1) The I-section beam...
3. Calculation questions (20 scores for each question, 60 scores in total) |(1) The I-section beam about the strong axis is subjected to static load. The section size is shown in the figure without any weakening. The designed bending moment value M=400kN.m and the designed shear value V=550kN. Check whether the strength of the beam at this section meet the requirements. The steel material is Q235B. (Full score is 20) Table 1. Strength design value of steel (N/mm') Steel Tensile,...
3. Calculation questions (20 scores for each question, 60 scores in total) (1) The I-section beam...
3. Calculation questions (20 scores for each question, 60 scores in total) (1) The I-section beam about the strong axis is subjected to static load. The section size is shown in the figure without any weakening. The designed bending moment value M=400kN.m and the designed shear value V=550kN. Check whether the strength of the beam at this section meet the requirements. The steel material is Q235B. (Full score is 20) Table 1. Strength design value of steel (N/mm²) Steel Tensile,...
3. Calculation questions (20 scores for each question, 60 scores in total) (1) The I-section beam...
3. Calculation questions (20 scores for each question, 60 scores in total) (1) The I-section beam about the strong axis is subjected to static load. The section size is shown in the figure without any weakening. The designed bending moment value M=400kN.m and the designed shear value V=550kN. Check whether the strength of the beam at this section meet the requirements. The steel material is Q235B. (Full score is 20) Table 1. Strength design value of steel (N/mm) Steel Tensile,...
Question 1 1 pts Given the moment acting on the rectangular section, determine the magnitude of...
Question 1 1 pts Given the moment acting on the rectangular section, determine the magnitude of its component acting about the y-axis. Provide your answer in Nm, but do not include units in your answer. 30° HY A B N front M=250 Nim с D D Question 2 1 pts Given the moment acting on the rectangular section in Question 1, determine the magnitude of its component acting about the z-axis. Provide your answer in Nm, but do not include...
Question 1 2 pts Which of the following will have a size factor, Cr, from table 5.2 0 5x5 stud gr...
Question 1 2 pts Which of the following will have a size factor, Cr, from table 5.2 0 5x5 stud grade 0 624, No. 1 grade O 4x8, No.1 and better grade O 8x8, Dense No. 1 grade 2 pts Question 2 Question 4 2 pts Which of the following is an incorrect definition for the type of Structural lumber listed? Hint: see section 5.1 OPost and Timbers: Rectangular sections 5in or more in thickness with width 2in or more...
D | Question 2 1 pts A mass m slides up an incline (with 0 27.6...
D | Question 2 1 pts A mass m slides up an incline (with 0 27.6 degrees above the horizontal) until it stops momentarily because of friction. The coefficient of static friction between the mass and incline is 0.7; the coefficient of kinetic friction between the mass and incline is 0.4. At a given instant, the mass is moving with speed of 7.1 m/s up the incline. How far beyond this point along the incline will the mass move before...
2. A rectangular beam, 400 x 600 mm gross dimension, is cast using a concrete strength of fc 30 MPa, reinforced with 5-25 mm diameter steel bar at the effective depth of 500 mm. If is subjected to a moment, M 130 kN-m. Determine the following: Magnitude of the bending moment that cracks the singly-reinforced beam section. (10 pts) b. For the computed cracking moment, determine the maximum compressive stress in the concrete and the stress in the tension steel....
Question 5 10 pts (5) A rectangular section has a total depth of 30.0 in, and gross moment of inertia - 30x10 in.' is made of concrete with a modulus of rupture = 400 psi, the cracking moment is most nearly 133.33ft kip 33.37 ft-kio 150.13ft kip 66.67 ft-kip Question 6 10 pts (6) According to ACI 318-19 code, the immediate maximum calculated deflection due to live loads of floors not supporting or attached to nonstructural elements likely to be...
Answer the following questions for each cross-section below using the Equivalent Rectangular Stress Block (Whitney Stress Block) for compressive stresses in the concrete. (72 total points) A. What is the nominal moment capacity of the beam (Ma)? [6 points) B. What is the distance from the top of the beam to the neutral axis (c)? [2 points] C. Assuming the concrete reaches a strain of 0.003, what is the strain in the extreme tension layer of reinforcing steel? Draw the...
3. Calculation questions (20 scores for each question, 60 scores in total) |(1) The I-section beam about the strong axis is subjected to static load. The section size is shown in the figure without any weakening. The designed bending moment value M=400kN.m and the designed shear value V=550kN. Check whether the strength of the beam at this section meet the requirements. The steel material is Q235B. (Full score is 20) Table 1. Strength design value of steel (N/mm') Steel Tensile,...
3. Calculation questions (20 scores for each question, 60 scores in total) (1) The I-section beam about the strong axis is subjected to static load. The section size is shown in the figure without any weakening. The designed bending moment value M=400kN.m and the designed shear value V=550kN. Check whether the strength of the beam at this section meet the requirements. The steel material is Q235B. (Full score is 20) Table 1. Strength design value of steel (N/mm²) Steel Tensile,...
3. Calculation questions (20 scores for each question, 60 scores in total) (1) The I-section beam about the strong axis is subjected to static load. The section size is shown in the figure without any weakening. The designed bending moment value M=400kN.m and the designed shear value V=550kN. Check whether the strength of the beam at this section meet the requirements. The steel material is Q235B. (Full score is 20) Table 1. Strength design value of steel (N/mm) Steel Tensile,...
Question 1 1 pts Given the moment acting on the rectangular section, determine the magnitude of its component acting about the y-axis. Provide your answer in Nm, but do not include units in your answer. 30° HY A B N front M=250 Nim с D D Question 2 1 pts Given the moment acting on the rectangular section in Question 1, determine the magnitude of its component acting about the z-axis. Provide your answer in Nm, but do not include...
Question 1 2 pts Which of the following will have a size factor, Cr, from table 5.2 0 5x5 stud grade 0 624, No. 1 grade O 4x8, No.1 and better grade O 8x8, Dense No. 1 grade 2 pts Question 2 Question 4 2 pts Which of the following is an incorrect definition for the type of Structural lumber listed? Hint: see section 5.1 OPost and Timbers: Rectangular sections 5in or more in thickness with width 2in or more...
D | Question 2 1 pts A mass m slides up an incline (with 0 27.6 degrees above the horizontal) until it stops momentarily because of friction. The coefficient of static friction between the mass and incline is 0.7; the coefficient of kinetic friction between the mass and incline is 0.4. At a given instant, the mass is moving with speed of 7.1 m/s up the incline. How far beyond this point along the incline will the mass move before...
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