Fundamentals Of Construction Estimating
4th Edition
ISBN: 9781337399395
Author: Pratt, David J.
Publisher: Cengage,
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Chapter 6, Problem 7RQ
To determine
The number of bricks required for per square foot of wall.
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Two plates are welded as shown. The plates are 15mm thick and 400mm wide.Fu=550MPa. Assume that the max size of weld is 1.8mm less than the thickness of plate allowable shear stress 0.3Fu.
1. Find the maximum size of fillet weld.a. 8.8mmb. 9.3mmc. 12.4mmd. 13.2mm
2. Compute the effective area of welda. 5261mmb. 7467mm?c. 7014mm?d. 4978 mm?
3. Find the safe value of P in kNa. 1232.06kNb. 821.37kN c. 1157.31kN d. 868.07kN
How to determine horizontal displacement of a frame
H.W: Evaluate the integral:
√√2 3y 8-x²-y2
1.
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2.
dzdxdy
11-x 1
0 0 x+z
dydzdx
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(x + y + z)dydxdz
Chapter 6 Solutions
Fundamentals Of Construction Estimating
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- For the gravity concrete dam shown in the figure, (the vertical stresses at toe and heel ((Pmax & Pmin) are and 52 ton/m respectively. following data are available:- -Unit weight of concrete (yconc)-2.4 ton/m³ Solve on paper -Neglect Wave pressure, silt pressure, ice force and earth quake force. #=0.65 Find factor of safety against sliding and overturning (F.Sslid & F.Sover) Azo 115 m 120 marrow_forwardFor the gravity concrete dam shown in the figure, (the vertical stresses at toe and heel ((Pmax & Pmin) are and 52 ton/m respectively. following data are available :- -Unit weight of concrete (yconc) 2.4 ton/m³ -Neglect Wave pressure, silt pressure, ice force and earth quake force. #=0.65 Find factor of safety against sliding and overturning (F.Sslid & F.Sover) A36 115 m m 120 marrow_forwardA horizontal cantilever of effective length 3a, carries two concentrated loads W at a distance a from the fixed end and W' at a distance a from the free end. Obtain a formula for the maximum deflection due to this loading using Mohr's method. If the cantilever is 250 mm by 150mm steel I beam, 3 m long having a second moment of area I as 8500 cm4, determine W and W'to give a maximum deflection of 6 mm when the maximum stress due to bending is 90 Mpa. Take Young's modulus of material E as 185 Gpa.arrow_forward
- For the gravity concrete dam shown in the figure, (the vertical stresses at toe and heel ((Pmax & Pmin) are and 52 ton/m respectively. following data are available :- -Unit weight of concrete (yconc) 2.4 ton/m² -Neglect Wave pressure, silt pressure, ice force and earth quake force. #=0.65 Find factor of safety against sliding and overturning (F.Sslid & F.Sover) AS 115 m Sm 120 marrow_forwardMust be handwrittenShow your complete solution with proper working equations.Express intermediate answers to at least four (4) decimal places and round final answers to two (2) decimal places. Enclose and summarize your final answers in a boxarrow_forward: For the gravity concrete dam shown in the figure, the following data are available: The factor of safety against sliding (F.S sliding)=1.2 Unit weight of concrete (Yconc)=24 KN/m³ - Neglect( Wave pressure, silt pressure, ice force and earth quake force) μ=0.65, (Ywater) = 9.81 KN/m³ Find factor of safety against overturning (F.S overturning) 6m3 80m Smarrow_forward
- Aum AA waste incinerator stack emits 27,027 kg/yr of cadmium and has an effective stack might of 100 m. The wind speed is 5 m/s at an anemometer located at 10 m. It is a clear sunny day with the sun nearly overhead (Class B conditions). a. Calculate the ground-level cadmium concentration (in ug/m³) at a distance of 2 km directly downwind? [Refer to tables in the textbook to help with this problem] What is the concentration of cadmium (in µg/m³) inside of a house at the location in part (a) after two hours? Note that the initial concentration of cadmium in the house was zero, there are 0.25 air changes per hour (ach), there is no source of cadmium inside the house, and cadmium is considered a conservative pollutant.arrow_forwardMust be handwrittenShow your complete solution with proper working equations.Express intermediate answers to at least four (4) decimal places and round final answers to two (2) decimal places. Enclose and summarize your final answers in a boxarrow_forwardFor the frame shown below, determine the vertical displacement at C. Assume that flexural rigidities AB and BC segments are EI and 2EI, respectively. Use the method of virtual work and show all working.arrow_forward
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