Who patented Portland Cement?
Joseph Aspdin
What are 4 concrete careers?
Concrete Mason
Brick Mason
Concrete Truck Driver
Concrete Batcher
Concrete Foreman
Small Concrete Business Owner
What 2 items should you wear while working with concrete?
Safety glasses and gloves
What is this tool?
Concrete Edger
How many forms did one bag of concrete fill?
3
What is concrete made of?
Stone aggregate, sand, Portland cement, water
What kind of education do you need to work in concrete?
High School diploma, trade school, on site experience.
Is concrete Acidic or Basic in pH?
Basic
What is a concrete broom used for?
add texture to smooth surface of concrete
What size was our form?
15"x15"
What are 3 pros to concrete?
Fireproof
Insect and Rodent Proof
Decay Resistant
Water Proof
Strong
Attractive (looks Nice)
Availability
Low Maintenance
Sanitary and easy to clean
Good insulator
What does a concrete mason do?
Smooth and finish surfaces of poured concrete
What can happen when skin is exposed to concrete?
Swelling and redness, dry skin, chemical burns.
What tool is used for filling in small areas and repairing concrete?
Pointing Trowel
What kind of concrete was used to make our stepping stones?
Quick-set concrete
What is the percentage of limestone to clay in Portland cement?
80% limestone
20% clay
What driver license type does a concrete truck driver have to have?
Hint: A, B, C
Class A license
What number on the pH scale does concrete fall on?
12-14
What tool is used to smooth and level concrete after being poured?
Concrete screed
What was the final size of our stepping stone?
12" x 12"
What are 3 cons to concrete?
Needs to be mixed properly
proper ratios
Can Shrink causing cracks
Needs proper reinforcement
Can be Expensive (labor, trucking)
Wears away when exposed to moving water
If I am making a slab of concrete measuring 6in thick, 20ft long and 7ft wide how much concrete should I order?
6in x 20ft x 7ft >>> 0.5ft x 20 ft 7 ft = 70cubic ft
70/27= 2.59 cubic yd
2.59 x 1.1 = 2.85 cubic yd
3 cubic yd
What 5 forms of protection should you have/ consider at a work site?
Eye, Head, Hand, Skin, Foot
What is the name of this tool?
Concrete darbie
If I am making a slab of concrete measuring 6in thick, 5ft long and 7ft wide how much concrete should I order?
6in x 5ft x 7ft
0.5ft x 5ft x 7ft=17.5 cubic ft
17.5/27=0.64 cubic yd
0.64 x 1.1= 0.70
1 cubic yard