A simply supported beam (Span = 25 ) has a seetion as shown below with normal-weichs concrete compressive strength fc- 4000 psi (normal weight, and steel reinforcement,fy=40,000 psi  1- find the modulus of rupture of the concrete per ACI318-10 2- find gross section properties to calculate the crracking bending moment (Mcr) 3-check whether the cross section is over -or under -reinforced  4-caclculate the nominal flexural strength of the cross section (Mn)

Q: What could be the primary reason for getting the slump value less than predicted ? O High water…

A: Low Slump Value:  In the slump test, the primary reason for getting a low slump value is Low…

Q: Concrete is required for walls of a building that will be moderately exposed to Intrained freezing…

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Q: 3. A simply supported beam (Span / -25 ft) has a section as shown below with normal-weight concrete…

A:

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

A: Given: The diameter is 150 mm. The length is 300 mm. The applied load is 157 kN.

Q: Assuming concrete below the neutral axis to be cracked, the shear stress across the depth of a…

A:

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: Given the concrete (f c=6000 psi) I-beam shown in Figure 1 for the given loading: -draw the shear &…

A: The cross-section of beam is given by I-section shown below

Q: ve desic Q4) Concrete is required for walls of a building that will be moderately exposed to…

A:

Q: Calculate the Flexural strength (Modulus of rupture) of concrete of 4"x 4"x12" beam tested 4500 lbs…

A: The flexural strength of the concrete is calculated by Centre point loading method, σ = 3PL2bd2…

Q: A simply supported beam (Span = 25 ) has a seetion as shown below with normal-weichs concrete…

A:

Q: WD = 1.4 kips/ft plus weight of beam WL = 1.5 kips/ft %3D (a) 20 ft 21.5 in. 24 in. (b) 3 No. 9 bars…

A:

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

A: Given data: Diameter = 150 mm Length = 300 mm Maximum load applied =  157 kN = 157×103 N

Composite Construction

Composite construction is the construction of structures in which two or more materials are used. Regarding structural engineering, composite construction is a construction where two materials are bound together in a technical manner such that both the materials act as a single unit to carry and transfer the load. The motives of composite construction are to increase the structural strength, make structures more aesthetic, and provide a sustainable environment.