CONSTRUCTION MATERIALS,METHODS...-PKG
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ISBN: 9781337495530
Author: SPENCE
Publisher: CENGAGE L
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Chapter 12, Problem 3RQ
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The two things which influence the properties of concrete masonry units
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CONSTRUCTION MATERIALS,METHODS...-PKG
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- When constructing a sand volleyball court how would you control drainage and erosion, mitigation dust and noise, and control traffic on the construction site?arrow_forwardWhat are the building code requirements when building an outdoor sand volleyball court in Kentucky?arrow_forwardH.W. A soil profile is shown in figure below. Calculate the values of ot, o', u at points A, B, C and D. draw the variation of ot, o', u with the depth. 3m Water table 2.5m + 2m D Rock Dry sand, e=0.52, Gs=2.65 Sand, e=0.52, Gs=2.65 Clay, w=45%, e = 1.22arrow_forward
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- A cylinder of fluid has dimensions of 0.2 ft in diameter by 0.45 ft high. If the weight of thefluid is 0.55 lb , determine the specific gravity and density of fluid.arrow_forwardA cylinder of fluid has dimensions of 0.2 ft in diameter by 0.45 ft high. If the weight of thefluid is 0.55 lb , determine the specific gravity and density of fluid.arrow_forwardA cylinder of fluid has dimensions of 0.2 ft in diameter by 0.45 ft high. If the weight of thefluid is 0.55 lb , determine the specific gravity and density of fluid.arrow_forward
- Draw the shear and bending moment diagrams and find the immediate deflection for a simply supported beam of length 20 ft. with the same live load at ½ span and cross-section as the previous problem. Assume a reasonable Modulus of Elasticity and concrete self-weight. Hint: You may look online for typical concrete self-weights and compressive strengths. You may also use the ACI 318 Code equation for the Modulus of Elasticity shown below, and the supplied Design Aids.arrow_forwardProblem 4. A major transmission pathway of the novel coronavirus disease 2019 (COVID- 19) is through droplets and aerosols produced by violent respiratory events such as sneezes and coughs (Fig. 1). For the purpose of providing public health guidelines, we would like to estimate the amount of time it takes for these droplets to settle from air to the ground. The relevant parameters are the settling time (ts), the initial height of the droplets (H), gravitational acceleration (g), density of the droplets (pa), radius of the droplets (R), as well as dynamic viscosity of the ambient air (Pair). Use dimensional analysis and the Buckingham theorem to answer the following questions: 1. Find the independent dimensionless parameters using the table method. Then, express the settling time as a function of the other relevant parameters. Your solution should match the physical intuition that the settling time scales linearly with the initial height. 2. How would the settling change if the…arrow_forwardQuestion 4 An engineer is assigned to design a 25-stories office building which has a building height of 75 m. Reinforced concrete shear wall system as shown in Figure Q1(a) is adopted to resist the lateral loads. The shear wall is of thickness t = 350 mm and length L = 8.5 m. Use the following data: Young's modulus of concrete E = 28 kN/mm² and the lateral load intensity w = 1.20 kN/m². Assuming the frontal width of the building façade is 15 m is facing the wind force which in turn transmitting the wind force to the shear wall system, estimate the total value of sway A at the roof level. Question 5 For the Shear Wall in Question 4, if the total ultimate gravity load of the building acted on shear wall is 6000 KN, using a partial factor of 1.2 for the wind load, calculate the stress on the extreme right corner of the shear wall at first storey level. (A) 9.46 mm (B) 189.26 mm (C) 14.20 mm (D) 141.95 mm STOREY FLOOR LEV Shear wall Figure Q1(a) (A) 3.228 N/sq mm (B) 14.029 N/sq mm 75 m…arrow_forward
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