Which of the ff. is an incorrect assumption in the analysis of Reinforced Concrete? a. Cross sections originally plane before loading will remain plane after loading b. Concrete will have negligible tensile strength c. Strain in the embedded steel reinforcement must not be equal to the strain of concrete d. The internal resistance of a member must be equal to the external loads

Q: The cross-section of the reinforced concrete beam having an effective depth of 500 mm is shown in…

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Q: Determine the tensile steel ratio of a singly reinforced concrete beam for the following conditions…

A: Appreciate if there is detailed work with explanation and finds you helpful for ease of…

Q: Design the steel reinforcement for flexural for the beam shown in the fig. below. given f'c-28 Mpa,…

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Q: Design bond stress in limit state design method for deformed bars conforming to IS :1786 and M-20…

A: Deformed bars- M-20 concrete To Find- The design bond stress in LSM as per IS:1786.

Q: Which strain and stress profiles shown in the figure below best represent a reinforced concrete…

A: To explain the nature of diagrams in strain and stress conditions for a reinforced concrete in…

Q: The composite bar shown is fırmly attached to unyielding supports. An axial load P = 391 kN is…

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Q: The composite bar is stress-free before the axial loads P1 and P2 are applied. Assuming that the…

A: step1-

Q: To ensure adequate ductility for preventing failures during earthquakes, the percentage tension…

A: Given- % tension reinforcement =p, M15 concrete. mild steel bars. % compression reinforcement =pc.…

Q: 50 mm 20 mr 75 kN

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Q: 47. In prestressed concrete structures the primary problem is damaged caused to A. O Bridge decks B.…

A: We have to determine that the prestressed concrete structure has a primary problem like damage and…

Q: A reinforced concrete beam is subjected to w=70 kN/m load as shown below. Knowing the modulus of…

A: Using area equivalent method  Modular ratio (m) = Es / Ec  m = 200/25 = 8  Above question is…

Q: The Dn value for a low relaxation steel is ______.

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Q: The composite bar in the figure is fırmly attached to unyielding supports. Compute the stress steel…

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Q: The beam is subject to 100 Kn-m Bending moment The modular Ratio is 8 Using cracked Analysis…

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Q: In an Axial Compression member, if the compression stress in the concrete is > 0.51, and the…

A: Steel is linearly elastic until it reaches particular stress known as the proportional limit at the…

Q: 1. The repair and rehabilitation of damaged or spalled concrete is done by removing the

A: This question is related to the Prestressed Concrete Structure from Design Concrete Structure.

Q: Both of the tension and compression forces are exerted on the concrete specimen when investigating…

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Q: i) What is the height of the concrete stress block if the area of steel is 3 in², concrete strength…

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Q: In the extreme fiber of a concrete beam, the value of compression is 5.80 MPa. The neutral axis of…

A: Given: Compressive stress = 5.80 MPa Depth of neutral axis, y = 58 mm Compressive strength of…

Q: The flexural strength (fr) of concrete measured from the bending test is always higher than the…

A: In the above situation where there is no tension softening and compressive failure doesn't occur,…

Q: The composite bar shown in the figure is firmly attached to unyielding supports. An Axial force P =…

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Q: EXPLAIN (flexural strength requirement for beams) a. Sectional Strength b. Equilibrium and Strain…

A: INTRODUCTION: Strength : It is basically the capacity or quality of any material ( here it is beam)…

Q: The concrete strength. Concrete becomes more brittle and v tends to decrease as the concrete…

A: Brief concept- Concrete- It is the mixture of coarse aggregate, binding material, fine aggregate,…

Q: The stress value in reinforcement at the commencement of first crack in concrete is (Assume modulus…

A: The modulus of elasticity of steel E= 216 GPa.

Q: Aluminum A = 1.25 in.? E = 10 x 106 psi Steel A = 2.0 in.2 E= 29 x 10° psi 15 in- -12 in.-

A: The given data is: For Aluminum bar: Length = 15 in Area = 1.25 in2 Modulus of Elasticity (E) = 10 x…

Q: The area of the concrete in compression plus the area of reinforcement transferred on the basis of…

A: It is asked in the question that the area of concrete in compression plus area of reinforcement…

Q: he T-beam has the following properties:  flange thickness = 110 mm flange width = 700 mm web…

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Q: For the inverted precast concrete T- beam Steel reinforcement consists of four bars each with a…

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Q: The strain distribution across a composite section under flexure is .nonlinear True O False O

A: Strain distribution It is defined as the variation of strain across a section.

Q: he repair and rehabilit amaged or spalled co one emovina the by ro

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Q: What is the value of reduction factor of the beam, if the stress in the steel is 425 MPa, and the…

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Q: For the section shown and using NSCP 7th ed (2015), a. Determine the cracking moment given fc = 27.5…

A: Answer We are given  Width b = 350 mm Total Depth h = 700 mm effective depth d = 630 mm Area of…

Q: Civil Engineering -Construction Material & Testing A block of concrete masonry unit is tested for…

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Q: compressive strength of concrete

A: To determine at which percentage the stress in beam changes changes from directly proportional to…

Q: The compressive strength is linearly correlated with the tensile strength of the concrete and…

A: The statement is false

Q: Which of the following statements is true for design properties of non pre-stressed steel…

A: For non-prestressed bars ans wires, the stress below fy shall be Es times steel strain. For strains…

Q: The structural efficiency in managing bending, shear and  for steel vs concrete

A: Answer:- Structural efficiency:- According to Webster, efficiency is the quality or degree of…

Q: 2. Tensile strength of concrete is about: (20-35)% of compressive strength (45-70)% of compressive…

A: As per guidelines we need to answer only first question so please repost rest questions separately.

Q: 61. The repair and rehabilitation of damaged or spalled concrete is done by removing the A. O Loose…

A: The repair and rehabilitation of damaged or spalled concrete is done by removing the ____ A. Loose…

Q: c = 25 mpa, fy = 414 the tensile stress is in the concrete is?

A: Given fc = 25 MPa              fy = 414 Mpa

Q: As per IS 456: 2000 for M20 grade concrete and plain bars in tension the design bond stress Tbd =…

A: Given as per IS 456:2000, Grade of concrete = M20 Bond stress, τbd=1.2 MPa. For HSD bars the bond…

Q: 1-9. The pascal (Pa) is actually a very small unit of pressure. To show this, convert 1 Pa = 1 N/m²…

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Q: a-Design the concrete column to carry the applied load Concrete allowable strength: 35 MPa P= 900 kN…

A: Given:- The concrete allowable strength = 35 MPa The magnitude of the load = 900 kN The column…