Elementary Surveying (14th Edition)
14th Edition
ISBN: 9780133758887
Author: Charles D. Ghilani, Paul R. Wolf
Publisher: PEARSON
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Chapter 12, Problem 12.15P
To determine
The area enclosed by the traverse by the coordinate method.
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A2.3- a simply supported reinforced concrete beam of rectangular cross-section is shown in Figure 3. The beam
supports a uniform dead load of 20 kN/m (excluding the beam self-weight) and a uniform live load of 20 kN/m.
The beam width is restricted to 400 mm. The maximum aggregate size is 20 mm. We are using 10M bars for
stirrups and 25M bars for tension steel. Concrete is type N with f'c = 35 MPa and fy = 400 MPa. The beam needs
to have 2hr fire rating.
Design the beam for the given load, considering the reinforcement ratio p < 0.5 pb
Figure 3
WDL = 20 kN/m
WLL= 20 kN/m
8.0 m
A2.2- For the given reinforced concrete section shown in Figure 2,
a) Determine the balanced reinforced amount for this section;
b) Calculate the ultimate moment resistance of the section if As = 8-20M. What is the
mode of failure?
c) Calculate the ultimate moment resistance of the section if As = 8-30M. Determine the
strain in the steel reinforcement.
Given: fc 30 MPa
fy = 400 MPa
625 mm
500 mm
+
+
*.
400 mm
Figure 2
A2.1- For a reinforced concrete beam (typical cross-section is shown in Figure 1),
a) Determine the maximum moment that this beam can resist before cracking;
b) Determine the beam moment of inertia after cracking.
Given: The beam is reinforced with 4-25M longitudinal bars
f'c = 35 MPa
fy = 400 MPa
600 mm
530 mm
+
* 400 mm *
Figure 1
Chapter 12 Solutions
Elementary Surveying (14th Edition)
Ch. 12 - Prob. 12.1PCh. 12 - Prob. 12.2PCh. 12 - Prob. 12.3PCh. 12 - Prob. 12.4PCh. 12 - Prob. 12.5PCh. 12 - Prob. 12.6PCh. 12 - Prob. 12.7PCh. 12 - Prob. 12.8PCh. 12 - Prob. 12.9PCh. 12 - Prob. 12.10P
Ch. 12 - Prob. 12.11PCh. 12 - Prob. 12.12PCh. 12 - Prob. 12.13PCh. 12 - Prob. 12.14PCh. 12 - Prob. 12.15PCh. 12 - Prob. 12.16PCh. 12 - Prob. 12.17PCh. 12 - Prob. 12.18PCh. 12 - Prob. 12.19PCh. 12 - Prob. 12.21PCh. 12 - Prob. 12.22PCh. 12 - Prob. 12.23PCh. 12 - Prob. 12.24PCh. 12 - Prob. 12.25PCh. 12 - Prob. 12.26PCh. 12 - Prob. 12.27PCh. 12 - Prob. 12.28PCh. 12 - Prob. 12.29P
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