Lecture 5 Flashcards

Exam 1 (13 cards)

1
Q

What is included in Type IS (X) and what is it made of?

A

Portland blast-furnace slag cement
- clinker and granulated blast furnace slag
- blending of portland cement and slag or combo of the above

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2
Q

What is a common use for Type IS (>70)

A

Massive concrete elements

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3
Q

What is a common problem with slag in Type IS

A

high alumina leading to sulfate durability problems

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4
Q

What is included in Type IP (X) and what is it made of?

A

Portland-pozzolan cement, made of fly ash, calcine clay, silica fume

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5
Q

What is type IP used for?

A

General construction

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6
Q

What percent of Type IP is pozzolan?

A

40%

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7
Q

How much limestone must be in type IL?

A

between 5 and 15

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8
Q

What is an advantage and a property of Type IL?

A

Sustainability advantages, performs similarly to type I

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9
Q

What is type IL (X) ?

A

Portland limestone cement

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10
Q

What is Type IT (AX) (BY) and what is it made of?

A

Ternary blended cement, combination of 2 types of admixtures

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11
Q

What is Type IT concrete made of?

A

Portland cement and 2 other Supplementary Cementitious Materials

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12
Q

What do the following subcategory abbreviations mean? A, MS, HS, MH, LH, R

A

Air entraining, Moderate sulfate resistant, high sulfate resistant, moderate heat of hydration, low heat of hydration, resistant to alkali-silica reactivity

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13
Q

Expand these types: GU, HE, MS, HS, MH, LH

A

General Use, High early strength, moderate sulfate resistance, high sulfate resistance, moderate heat of hydration, low heat of hydration

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