A cantilever beam shown supports a uniform service (unfactored) dead load of 1 kip/ft plus its own dead load and a concentrated service (unfactored) live load of 12 kips, as shown. The concrete is normal-weight concrete with f'c= psi and the steel is Grade 60. Use load and strength-reduction factors from ACI Code Sections 9.2 and 9.3. For the end section shown in Fig. P4-2b, compute and show that it exceeds Mu.

Q: The design engineer specifies a concrete strength of 31.0 MPa. Determine the required average…

A: Take the standard case s=5. The formula to calculate the average compressive strength is given by,…

Q: 1. A rectangular concrete beam has a width of 400 mm and an effective depth of 700 mm. It is…

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Q: Determine  the development length  required in bar

A: The values given in the question are as follows: Steel reinforcement=4-25 mmϕ Diameter of main…

Q: For the section shown, use Whitney's rectangular block to calculate a, ß1 and c, determine the…

A: Given Data:fc=400psiEC=3600ksiand Grade 60 steel fy=60000psiEs=29000 ksi

Q: For the beam and loads shown, using Table 4.1, propose the following if f'c = 24 Mpa, fy = 420! 1)…

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Q: Reinforced Concrete Design-1 Follow ACI Code (American Concrete Institute) Last two…

A: Reference : ACI Code Amount of area of steel required will be ; As As = Mu0.87 fy Z  Mu = Ultimate…

Q: A singly reinforced rectangular beam 300 mm wide and 600 mm deep is subject to a factored shear…

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Q: A spiral column with the diameter of 500 mm has the effective height of lo-4.0 m. The axial…

A: Given information is  Diameter is  d=500 mm effective height  l0=4.0m From the above information we…

Q: Determine  the development length  required in bar diameter for the epoxy-coated bottom bars of the…

A: Solution: Given: Bar diameter = 25 mm f'c = 21 MPa, fy = 420  MPa. cover = 80 mm Tie bars = 10 mm @…

Q: A singly reinforced concrete beam has rectangular section 230 mm wide x 460 mm effective depth. At a…

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Q: A. Calculate the stress in the concrete at the top and bottom extreme fibers under a positive…

A: From the given problem, Positive Bending moment = 78kip f'c = 3200psi span  =26ft

Q: A rectangular beam has a width of 334 mm and an effective depth of 596 mm. The specified compressive…

A: Given: The width of the beam is 334 mm. The effective depth is 596 mm. The compressive strength of…

Q: A reinforced concrete tied column is to resist the following axial load: • PDL= 800 kN • PLL = 1050…

A: given data PDL= 800 kN  PLL = 1050 kN PEL = 450 kN   fc’ = 20.7 MPa fy= 415 MPa steel ratio is 1.5%.…

Q: Problem 2: Determine the rebar size in the following beam. The beam span is 22 ft and it is…

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Q: Problem 5: A beam is 250 mm in width, 500 mm in total height and 3.5 meters in length. This beam was…

A: Given data width of beam= 250mm Height = 500mm Length= 3500 mm compressive strength= 32MPa we have…

Q: A rectangular beam has a width of 335 mm and an effective depth of 620 mm. The specified compressive…

A: Given, b = 335 mm d = 620 mm f'c = 24 MPa f'y = 345 MPa

Q: The cantilever beam shown in Fig. 3 supports a uniform service (unfactored) dead load of 12 kN/m…

A: calculate self load of beam Wself=25×0.35×0.4375=3.83KN/mtotal load on…

Q: illustrate and label only cantilever slab has a span of 2.40 m. It is 150 mm thick and has an…

A: Given : Cantilever beam of length, L = 2.4 m h = 150 mm, d = 110 mm Bars of 16 mm dia at spacing of…

Q: A rectangular concrete beam has a width of 300mm and an effective depth of 450 mm to centroid of the…

A: Given: b = 300 mm d = 450 mm Ast=6×π4×322=4825.5 mm2Asc=2×π4×282=1231.5 mm2 fc = 34.5 MPa fy =345…

Q: a) Design the rectangular beam to resist the applied moment. DL=20kN/m, LL=15kN/m. Use C25,S420;…

A: Answer (a)To design the rectangular beam based on the given data we need to calculate the Design…

Q: 3. A column shown below has tie reinforcement conforming to ACI 25.7.3. Assume normal- weight…

A: Given: concrte stress  fc'=6000 psi allowed stress in concrete  fc=60002=3000 psiand for steel grade…

Q: Principles of Reinforced and Prestressed Concrete If assumptions are made, verify if assumptions…

A: To find - strength reduction factor of the beam

Q: Check the adequacy of a rectangular beam section with a width of 424 mm and an overall depth of 556…

A: To find Adequacy

Q: A rectangular concrete beam has a width of 300mm and an effective depth of 450 mm to centroid of the…

A: Given data -  Width =300mm  Effective depth = 450mm Reinforcement = 6 - 31mm bars ( tension) and 2 -…

Q: A rectangular beam having a width of 304.8 mm and an effective depth of 495.3 mm is reinforced with…

A: Given: The width of the beam is 304.8 mm. The effective depth is 495.3 mm. The area of steel bars is…

Q: A rectangular concrete beam having a width of 200 mm and effective depth of 400 mm will be designed…

A: “Since you have posted a question with multiple sub-parts, we will solve the first three sub-parts…

Q: The design engineer specifies a concrete strength of 37.92 MPa. Determine the required average…

A: Compressive strength of concrete: Compressive strength of concrete is defined as the 28 days…

Q: A simply supported beam shown in figure 1, carries an uniform service (unfactored) superimposed…

A: Given: fc'=3500 psify=60000 psi

Q: A singly reinforced rectangular beam 300 mm wide and 600 mm deep is subject to a factored shear…

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Q: For pretensioned axially tensioned member, how to calculate the effective prestress established in…

A: Calculation of the Effective Prestress in the Concrete : 1. The stress remaining in the concrete due…

Q: A rectangular beam has a width of 335 mm and an effective depth of 620 mm. The specified compressive…

A: Given Data:b=335mmd=620mmfc=24Mpafy=345MpaVu=262kNstrip Dia= 10mm

Q: A rectangular concrete beam having a width of 250 mm and an effective depth of 350 mm will be design…

A: Note : Since you have posted a question with multiple sub-parts, we will solve the first three…

Q: A 450 diameter concrete spiral column is to be desigmed to support a factored axial load of 3200 kN.…

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Q: A beam having a width of 500 mm and a total depth of 800mm is reinforced with 6-32mm dia bars.…

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Q: A normal-weight plain  concrete beam  is 6 in.  x  12 in. is simply  supported on a span of  4  ft…

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Q: Problem 5: A beam is 250 mm in width, 500 mm in total height and 3.5 meters in length. This beam was…

A: Given data Width = 250 mm Height = 500 mm Length = 3500 mm compressive strength= 32 MPa We have to…

Q: A reinforced concrete beam has a total depth of 700 mm. Use f'c=34 MPa and fy=415 Mpa. The diameter…

A: Given Data  b=350mm, d=550+150-60-802=600mm c=600d600+fy=600×600600+415=354.68mm…

Q: +A trapezoidal concrete beam is casted with a compressive strength of about 20 MPa. The beam is…

A: Nominal strength is the capacity of a structure to resist the effects of loads and computations…

Q: A rectangular beam has a width of 275 mm and an effective depth of 500 mm. It is reinforced wit 4 –…

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Q: A slab panel is carrying a superimposed dead load of 2.70 kPa and superimposed live load of 6.0 kPa…

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Q: A prestressed rectangular beam 0.50m x 0.75m has a simple span of 10m and is loaded with a uniform…

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Q: A spiral column with the diameter of 500 mm has the effective height of lo4.0 m. The axial…

A: Given  Diameter = 500 mm  Effective height= 4m  fc= 14.3 N/mm2   fy= 360 N/mm2

Q: The cross section at the midspan of a simply supported beam is shown below. It is reinforced with…

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Q: . Determine the area of the concrete, mm2. B. Determine the section modulus of the concrete in x10^3…

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Q: QUESTION 01. Figure 1 shows a simply supported beam and the cross-section at midspan. The beam…

A: Given Data -

Q: addition to its weight. Assuming d=600 design a beam with balanced Stress → reinforcement, using…

A: Given data: span = 6m LL = 20kn/m d= 600mm n= 10

Q: Concrete Str 5.17 Example: A single reinforced concrete beam has rectangular section 230 mm wide x…

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Q: Determine  the development length  required in bar diameter for the epoxy-coated top bars of the…

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Q: For a concrete section with b=14", d=18.5", 4#7 bars with 2.5" cover, calculate: 1- The cracking…

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Q: A. Calculate the stress in the concrete at the top and bottom extreme fibers under a positive…

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Pricing Concrete Work

The concrete work in a project usually holds a high-end cost in terms of cost and value of the work. It becomes an important step in calculating the cost associated with concrete while preparing the project scale. The cost of making concrete depends on the cost of building materials, mixed materials, labor, and machinery. A concrete contractor builds structures from concrete, usually managing all the steps of the process from assembling ingredients to building a holding structure and preparing the mixture. This person or team oversees the delivery and unloading of goods to ensure that they are done properly. Nowadays, most of the concrete in the United States comes from manufacturers working abroad, usually with branches and plants within the provinces. Contributions can range from pre-mixed concrete to basic ingredients, the consumer company then mixes it. Many American-based concrete companies, however, offer concrete products, such as ballads, bricks, countertop, concrete pipe, and building products, as well as concrete construction and installation materials. This article covers both types of suppliers for this set of building materials.