The boards for a concrete form are to be bent into a circular shape having an inside radius of 10 m. What maximum thickness can be used for the boards if the normal stress is not to exceed 7 MPa? Assume that the modulus of elasticity of the wood is 12 GPa

Q: The deformation caused by the load remainıng on the concrete for a long period of time is called

A: Answer:- Creep:- If concrete is subjected to sustain loads, it continues to deform further with…

Q: A composite beam is constructed using a steel plate (15 mm x 170 mm) with two wood beams (75 mm x…

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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: What is the prestress steel loss from steel relaxation at 356 days for a Grade 270 low-relaxation…

A: Given:- Initial stress = 190,000 psi Yield stress = 245,000 psi Time period = 356 days To…

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

A: To find tensile steel ratio for singly reinforced concrete beam fc' = 28 MPa fy = 420 MPa

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

A: step1-

Q: 5.) A reinforced concrete beam has a width of 300mm and an effective depth of 410mm. fc- 27.1 MPa,…

A: Dear student,  As per bartleby guidelines we are supposed to answer any three subdivisions(part d, b…

Q: 50 mm 20 mr 75 kN

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Q: A pre-tensioned concrete member of section 200 mm x 250 mm contains tendons of area 500 mm2 at…

A: step 1-

Q: 5. The 28-day compressive strength for, is about 7-15 MPa (a. Insulating Lightweight Concrete, b.…

A: The concrete is transported to your location after the mixing procedure is complete. The concrete is…

Q: A. Compute the bending stress in the extreme compression fiber of the beam in the figure for a…

A: Given data:- Bending moment,M=30 KN.m=30×106 N.mm Characteristics compressive strength of…

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

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Q: 7. A solid aluminum cylinder is placed within an ASTM A501 steel tube as shown. Compute the stresses…

A: Given Data: The diameter of the solid aluminum cylinder is d1=3 in. The diameter of the steel tube…

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

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Q: A pretensioned member with a dimension of 250mm x 360mm is subject to an eccentric

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

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Q: Q- The maximum applied load on a cylindrical concrete specimen of diameter 150 mm and length 300 mm…

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Q: Some types of cementitious materials can set while exposed to air. True or false?

A: Cementitious materials are the building materials having binding properties to hold the entire paste…

Q: If the compressive strength of the concrete is 4 ksi and the yield strength of steel is 60 ksi, the…

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Q: A composite beam of the cross-section as shown is subjected to a couple, M, of 1 kNm causing the…

A:

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: 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: A reinforced concrete tie has a square cross section of 8 in. × 8 in. and is reinforced with 8 # 5…

A: Given data:

Q: Some types of cementitious materials can set while exposed to water. True or false?

A: Cementitious material:- One of the main components of the concrete mixture is cementitious…

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

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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: Determine the cracking moment Mcr for the beam depicted in Fig. 6.85. Assume normal-weight concrete,…

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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: 'bd . As per IS 456:2000 for M20 grade concrete and plain barsin tension the design bond stress t=…

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Q: Forms are required to hold the concrete in place

A: Forms are fixed and then steel reinforcement is binded on the formwork. After the steel bar binding…

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

A: Given fc = 25 MPa              fy = 414 Mpa

Q: Concrete Design 48" 6 #9 18 fy = 60 ksi fc = 4 ksi h₂=6 Calculate strain in tensile steel Is the…

A: bw  = 18 ind = 26 inhf = 6 inb = 48 in6 #9 rebarscover = 3 infc = 4 ksify = 60 ksi

Q: Maximum strain in concrete taken for design is 0.0040 while strain in deformed bar is calculated…

A: