MATERIALS SCI + ENGR: INT W/ACCESS
10th Edition
ISBN: 9781119808084
Author: Callister
Publisher: WILEY
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Chapter 15, Problem 11QAP
To determine
To cite:
The factors favoring brittle fracture in thermoplastic polymers.
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80 V
300 Ω
t = 0
500 i(t)
Vc(t)
40 nF
2,5 mH
-
Compute for the stresses (initial, const and final stage)
and check for compliance in NSCP provisions.
Also compute the following:
1. Compute and check if the section is Uncracked,
Transition or Cracked as per NSCP.
2. Compute for its flexural capacity and check if it
could carry the given load.
BEAM SECTION
NOT TO SCALE
1400mm
300 $1098 400 */ 400*300*
300
200
300
100
ORIGINAL SECTION/PRECA
CAST-IN-PLACE (CIP) PART
PRECAST
LOADING AT SERVICE
M
• 21 KN (DEAD LOAD ONLY)
21KN
4.75m
9.25m
CIVEN DATA
STRANDS:
12-02 AT 120KN/STRAND (GOMM FROM BOTTOM)
8-2 AT 120HN/STRAND (120mm FROM BOTTOM)
fc 42.5 MPa (BEAM)
fc 38 MPa (CIP)
f'a = 80% or fa
fp-1860 MPa
ESTRANDS 1976Pa
OONG 23.6/m³
LOES 1-8%
Loss 18%
APPLY 3M LIVE LOAD AT CONST. PHASE
4.
Determine the stability of the cantilever shown in the figure below (use Coulomb earth theory for the lateral
stress due to the backfill material).
1 m
0.5 m
Backfill
7 = 18.5 kN/m³
• = 30°
20
6 = 20°
6 m
Y₁ = 24 kN/m³
1.2 m
1 m
4.5 m
Base soil
Clay: 7 = 19 kN/m³,0 = 30%, 0,, = 20°, s,, = 94 kPa
a. With s₁ = c = 94 kPa (disregard values), determine allowable soil bearing capacity of the base soil
if the factor of safety is equal to 3.
b. Determine the FS against overturning.
C.
Determine the FS against sliding if the coefficient of friction between footing concrete base and soil
is b.
d. Determine the FS for bearing capacity.
Chapter 15 Solutions
MATERIALS SCI + ENGR: INT W/ACCESS
Ch. 15 - Prob. 1QAPCh. 15 - Prob. 2QAPCh. 15 - Prob. 3QAPCh. 15 - Prob. 4QAPCh. 15 - Prob. 5QAPCh. 15 - Prob. 11QAPCh. 15 - Prob. 14QAPCh. 15 - Prob. 15QAPCh. 15 - Prob. 16QAPCh. 15 - Prob. 21QAP
Ch. 15 - Prob. 23QAPCh. 15 - Prob. 26QAPCh. 15 - Prob. 31QAPCh. 15 - Prob. 32QAPCh. 15 - Prob. 35QAPCh. 15 - Prob. 36QAPCh. 15 - Prob. 37QAPCh. 15 - Prob. 38QAPCh. 15 - Prob. 39QAPCh. 15 - Prob. 42QAPCh. 15 - Prob. 43QAPCh. 15 - Prob. 44QAPCh. 15 - Prob. 45QAPCh. 15 - Prob. 46QAPCh. 15 - Prob. 1DPCh. 15 - Prob. 2DPCh. 15 - Prob. 3DPCh. 15 - Prob. 1FEQP
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