Answered: y the advantage of a "road mix"

Engineering

Civil Engineering

y the advantage of a "road mix"

Traffic and Highway Engineering

5th Edition

ISBN:9781305156241

Author:Garber, Nicholas J.

Publisher:Garber, Nicholas J.

Chapter20: Design Of Rigid Pavements

Section: Chapter Questions

Problem 1P: Portland cement concrete consists of what four primary elements?

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IN YOUR VERY OWN UNDERSTANDING/WORDS, discuss briefly the advantage of a "road mix" over the "plant mix" concrete.

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Please answer the problem. You can summarize your answer. Thank you and Godbless. Comment on the results. Compare the results with the typical values. How can the percentage of absorption affect on a concrete mix?
Discuss five different desirable characteristics of aggregate used in portland cement concrete.
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what is the effect of bulk specific gravity, bulk specific gravity (SSD), apparent specific gravity, and percent absorption to concrete mix? what is the range of these four to fine aggregates and coarse aggregate. If the result of these four is low or high, what is your recommendation?
A concrete mix includes the following ingredients per cubic meter: Cement%3D400 kg Water=184 kg No admixture Table below shows possible alternatives mix ingredients. Indicate in the appropriate boxes in the table what will happen in each case for the workability and the ultimate compressive strength as increase, decrease or approximately the same. What will happen? Cement Water Admixture (kg) (kg) Ultimate compressive Workability strength 400 225 None 449 184 None Water 400 184 Reducer Water 400 128 Reducer 400 184 Super Plasticizer 400 184 Air Entrainer 400 184 Accelerator DFocus
The design of a concrete mix requires 1173 kg/m3 of gravel in dry condition,582 kg/m3 of sand in dry condition, and 157 kg/m3 of free water. The gravel available at the job site has a moisture content of 0.8% and absorption of 1.5%, and the available sand has a moisture content of 1.1% and absorption of 1.3%. What are the masses of gravel, sand, and water per cubic meter that should be used at the job site?
The design of a concrete mix requires 1173 kg/m3 of gravel in dry condition, 582 kg/m3 of sand in dry condition, and 157 kg/m3 of free water. The gravel available at the job site has a moisture content of 0.8% and absorption of 1.5% and the available sand has a moisture content of 1.1% and absorption of 1.3%. What are the masses of gravel, sand and water cubic meter that should be used at the job site?
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Chapter 13 Question: What is the elasticity of concrete for a normal weight mix (unit weight equal to 150 pcf) with a compressive strength of 5,000 psi? O 3.644 ksi O 4.074 ksi 4,287 ksi O 3.976 ksi O 3,834 ksi