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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Chapter 6, Problem 6.8QP
Define
a. interlayer hydration space
b. capillary voids
c. entrained air
d. entrapped air
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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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- H.W. Solve problems in (Das) page 249 Problems 9.1, 9.3, and 9.5arrow_forward3. As the audio frequency of Fig. 11-7 goes down, what components of Fig. 12-4 must be modified for normal operation? OD C₂ 100 HF R₁ 300 Re 300 ww 100A R 8 Voc Rz 10k reset output 3 R7 8 Voc 3 reset output Z discharge VR₁ 5k 2 trigger 2 trigger 7 discharge R 3 1k 5 control voltage threshold 6 5 control voltage 6 threshold GND Rs 2k C. C. 100 GND Uz LM555 1 Ce 0.01 U, LM555 0.01 8.01.4 PRO Fig. 11-7 Audio lutput Pulse width modulator R4 1k ww C7 Re 1k ww R7 100 VR 50k 10μ Ra R10 C₁. R1 3.9k 3.9k 0.14 100k TO w Rs 51 82 3 H 10 Carrier U₁ Ca Input A741 2.2 Us MC1496 PWM signal input R2 0.1100k Uz A741 41 Cs 1 Re 10k VR2 50k VR3 100k 14 12 C3. 3% + Ce 0.1 10μ 5 1A HH C +12V 0.1 O PWM Output C 0.02- R 100k +12 V Demodulated output 6 Ca 0.33 w R 10k R12 100k ww 31 о + 4A741 -12 V Fig. 12-4 PWM demodulator C 1500parrow_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 (w). m m 2000arrow_forward
- Determine the collapse load for the simply supported slab. 3 m 3 marrow_forwardm A square slab is simply supported along all sides and is to be isotropically reinforced. Determine the ultimate resisting moment (m) per linear meter required just to sustain a uniformly distributed load (w) in kN/m². marrow_forwardBy using the yield line theory, determine the moment (m) for an isotropic reinforced concrete two-way slab (supports on two S.S sides shown in figure under the load (P) (all dimensions are in mm). m m 2000 2000 3000arrow_forward
- By using the yield line theory, determine the moment (m) for an isotropic reinforced concrete two-way slab shown in figure under a concentrated force (P) on the free corner. The two line supports of slab is simply supports. m m 2000 2000arrow_forward1: Determine the load capacity of the one-way uniformly loaded (5 kN/m²) simply supported slab shown in Fig. 2 m 2 m 1.5 m E Earrow_forward1: Determine the load capacity of the one-way uniformly loaded (5 kN/m²) simply supported slab shown in Fig. Solution: 2 m 2 m هنا الاسناد بسيط، لذلك سيتشكل خط خضوع واحد بالمنتصف ( البلاطة متناظرة) = We [5.0x (2x1.5) 0 = 8/2 :. W;= [m × 8/2 × 1.5] <2 = [1.5m 6] :: We = Wi 15 6 = 1.5 m 6 m = 10 kN.m 8/2] -8=1.0 1.5 m E E L 8/2 δ 28 0 = L/2 Larrow_forward
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