Concrete: Composition & Mixing
Directions fill in the blanks
1) Some of the advantages of concrete are that it is an
easily_____material,strong,____,fireproof and rodent proof
2) the first rule of using concrete is make sure we use proper____.
3) one of the most important thing when mixing concrete is the ______to______ratio.
4) the main thing you want to look for in selecting aggregate is that aggregate is ______.
5) the rule of thumb when selecting water for concrete is that it should be suitable for _______.
6) Type IV low heat Portland cement is used for______ structures
7) Portland cement is a skin____.
8)Anytime we have gear like driver gear on the mixer it is an open____ point.
9) To determine the amount of concreted needed for the job,simply determine the _____ of the job.
10) Fuller's Rule state is order to yield ___volumes of concrete,we need to have___volumes of raw materials
11) Damp sand has a _________gallon of water per cubic foot.
12) the batch needs to mix for a minimum of __________ minutes.
13) the characteristics of good quality concrete are______,uniformity and______.
14) Once the slump cone is 1/3 full by volume we ______ it 25 times.
15)We want to get the concrete spread out,particularly into the__________.
16) You slightly raise the leading edge of the ______ so it doesn't dig into the concrete.
DUE TONIGHT
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