
Materials for Civil and Construction Engineers (4th Edition)
4th Edition
ISBN: 9780134320533
Author: Michael S. Mamlouk, John P. Zaniewski
Publisher: PEARSON
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Textbook Question
Chapter 6, Problem 6.2QP
What is the role of gypsum in the production of portland cement?
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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
Please explain all your steps. Thank you.
10000
Quizl:Design a grit chamber for a horizontal velocity 250 mm/s, minimum flow
5,000 m³/day, maximum 20,000 m³/day, average flow is 12,500m³/day, S.O.R=
0.017 m/s, For a parabolic channels A =2/3 WD, detention time = 1 min
Q
Ac == HxW
vs for inorganic particles = SOR
As = LxW
As
V=Qxt=LxWxH
Z=CxW2
Q (m³/day) |
Ac (m²)
W (m)
| Z (m)
Chapter 6 Solutions
Materials for Civil and Construction Engineers (4th Edition)
Ch. 6 - What ingredients are used for the production of...Ch. 6 - What is the role of gypsum in the production of...Ch. 6 - What is a typical value for the fineness of...Ch. 6 - What are the primary chemical reactions during the...Ch. 6 - Define the C-S-H phase of cement paste.Ch. 6 - What are the four main chemical compounds in...Ch. 6 - Prob. 6.7QPCh. 6 - Define a. interlayer hydration space b. capillary...Ch. 6 - Prob. 6.9QPCh. 6 - The following laboratory tests are performed: a....
Ch. 6 - What is a false set of portland cement? State one...Ch. 6 - The watercement ratio is important because it...Ch. 6 - Discuss the effect of watercement ratio on the...Ch. 6 - Draw a graph to show the general relationship...Ch. 6 - Students in the materials class prepared three...Ch. 6 - Students in the materials class prepared three...Ch. 6 - Two batches of cement mortar with properties as...Ch. 6 - What are the five primary types and functions of...Ch. 6 - Why isnt pozzolan used with Type III cement?Ch. 6 - What type of cement would you use in each of the...Ch. 6 - In order to evaluate the suitability of nonpotable...Ch. 6 - Three standard mortar cubes were made using...Ch. 6 - Four standard mortar cubes were made using...Ch. 6 - Discuss the problem of disposal of waste water...Ch. 6 - State five types of admixtures and discuss their...Ch. 6 - Prob. 6.27QPCh. 6 - Under what condition is an air-entraining agent...Ch. 6 - If a water reducer is added to the concrete mix...Ch. 6 - Prob. 6.30QPCh. 6 - A concrete mix includes the following ingredients...Ch. 6 - The results of an experiment to evaluate the...Ch. 6 - The results of a laboratory experiment to evaluate...Ch. 6 - Referring to Table P6.34, Mix No. 1 was designed...Ch. 6 - Two batches of concrete cylinders were made with...Ch. 6 - Two batches of concrete cylinders were made with...Ch. 6 - What is the source of fly ash? Why is fly ash...Ch. 6 - A materials engineer is working in a research...Ch. 6 - A materials engineer is working in a research...
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Types of Cement; Author: Tyler Ley;https://www.youtube.com/watch?v=cApoqFALh8s;License: Standard Youtube License