Fundamentals Of Construction Estimating
4th Edition
ISBN: 9781337399395
Author: Pratt, David J.
Publisher: Cengage,
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Chapter 5, Problem 3RQ
Why is nothing added to the concrete quantities for wastage at the time of the takeoff?
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For the beam shown, where is the peak value of the bending moment diagram?
P
a. Above C
b. Below B
c. Above A
d. Above B
B
The plane truss shown is
a. statically indeterminate
b. unstable
c. statically determinate
A simple supported one-way slab spans 24 ft. In addition to its own weight, it supports
an uniformly distributed service live load of 100 psf. A masonry wall, which has a
service dead load of 1500 lb/ft, is also supported by the slab along with an uniform
service floor live load (a line load) of 500 lb/ft loaded as shown below in the figure.
(a)
(b)
Select the depth of the slab using ACI Code's minimum thickness requirements
where deflections are not computed. Design the primary steel and temperature
steel and show your results in a sketch. The concrete is light-weight concrete and
has a unit weight of 110 lb/ft³. Assume 3/4 inch cover on the reinforcement aand
that f' 3 ksi and f₁ = 60 ksi. Use #6 bars for the primary steel and #4 bars
for the shrinkage and temperature steel. Assume interior exposure, and use
ACI 318-19.
Repeat part (a) NOT using the ACI Code's minimum thickness requirements for
cases where deflections are not computed. Use #6 bars for the primary steel
and #4 bars…
Chapter 5 Solutions
Fundamentals Of Construction Estimating
Ch. 5 - Why is it recommended that the estimator begin a...Ch. 5 - Why is it also preferable to measure the concrete...Ch. 5 - Why is nothing added to the concrete quantities...Ch. 5 - What size does an opening in concrete have to be...Ch. 5 - Why is concrete classified and measured separately...Ch. 5 - Prob. 6RQ
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, civil-engineering and related others by exploring similar questions and additional content below.Similar questions
- Water (at 10° C has n = 1.31 x 106 m²/s) flows from reservoir A (surface elevation 100 m) through a 2.25-m-diameter concrete pipe (e = 0.36 mm; f=0.014) to reservoir B (surface elevation 91.84 m). If the 2 reservoirs are 17 km apart, find the flow velocity V (to 2 decimal places x.xx) ignoring minor losses. 100 m A L = 17 km P₁ h₁ + = + V² 2g D=2.25 m 91.84 m B + h₂ 2g P₂ = =h₂+ + Varrow_forwardThe floor system of an apartment building consists of a 4-inch-thick reinforced concrete slab resting on three steel floor beams, which are in turn supported by two steel girders, as shown below. The areas of cross section of the floor beams and the girders are 18.3 in.2 and 32.7 in.², respectively. Determine the dead load acting on the beam CD. Steel girder (A-32.7 in.2) At I- 25 ft B I Steel column C D Steel floor beam (A =18.3 in.2) I a. 600.0 lb/ft b. 662.3 lb/ft c. 62.3 lb/ft d. 1347.3 lb/ft E 4 in. concrete slab 2 at 12 ft = 24 ftarrow_forwardWhat is the classification of the structure shown below? Hinge a. Internally unstable, statically indeterminate b. Internally stable, statically determinate c. Internally stable, statically indeterminate Od. Internally unstable, statically determinatearrow_forward
- Explain the difference between a Class A and Class B bulkheadarrow_forwardBy using the yield line theory, determine the moment (m) for an isotropic reinforced concrete two-way slab shown in figure under a uniformly distributed load. Use segment Equilibrium method 2.5 A 7.0m c.g. ㄨˋ B 1 B A IA 2.5 2.0 + 2.5 5.0marrow_forwardGiven cross-classification data for the Jeffersonville Transportation Study Area in this table, develop the family of cross-classification curves. (Use high = $55,000; medium = $25,000; low = $15,000. Submit a file with a maximum size of 1 MB.) Choose File No file chosen This answer has not been graded yet. Determine the number of trips produced (by purpose) for a traffic zone containing 400 houses with an average household income of $35,000. 1610 HBW HBO Your response differs from the correct answer by more than 10%. Double check your calculations. trips 1791 NHB Your response differs from the correct answer by more than 10%. Double check your calculations. trips 1791 Your response differs from the correct answer by more than 10%. Double check your calculations. tripsarrow_forward
- 2.Water is siphoned from a reservoir. Determine (a) the maximum flow rate that can be achieved without cavitation occurring in the piping system (all indicated points) and (b) the maximum elevation of the highest point of the piping system to avoid cavitation. D = 20 cm, and d = 8 cm. The minimum pressure to avoid cavitation in the pipes is Pmin = 2340 Pa (absolute) for T = 20 °C. Water density = 1000 kg/m³. ✓ (1) T=20 C (4)arrow_forward3. Water flows steadily down the inclined pipe as shown. Determine (a) the difference in pressure pı-p2 and (b) the head loss between section (1) and section (2). Flow 5 ft Section (1) 6 in. 30°/ Section (2) 8 in. Mercuryarrow_forward1. Streams of water from two tanks impinges upon each other as shown. If viscous effects are negligible and point A is a stagnation point, determine the height h. Free ets Air 20 ft P₁ = 25 psi 8 ftarrow_forward
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