Flashcards in Batter Boards/ Concrete Deck (26)
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1
What are the four layers of construction?
Site/building, foundation, substructure, superstructure
2
What are the squaring methods?
Carpenters square
Diagonal method (most accurate)
3-4-5
3
What are the three major components of concrete?
Water
Aggregate
Portland cement
4
What are the five types of Portland cement?
Type I Normal Portland
Type II Modified
Type III High Early
Type IV Low Heat
Type V Sulfate Resistant
5
What is the cure time for Type I?
28 days
6
What is the cure time for Type II?
45 days
7
What is the cure time for Type III?
7 days
8
What is the cure time for Type IV?
90 Days
9
What is the cure time for Type V?
60 Days
10
What is an accelerator for cement?
Calcium Chloride
11
How heavy are bags?
94 Lbs
1 Cubic ft
12
How heavy are barrels?
376 lbs
4 bags
13
What are the types of concrete?
Reinforced
Prestressed
Precast
Lightweight
14
What are the types of construction joints?
Control joint
Expansion joint
Construction joint
15
How do you find Project Volume (PV)?
PV= L x W x H x number of structures
16
How do you find Loss Factor (LF)?
LF = PV x (Loss Factor) (<5400 cu ft = 1.1) (> 5400 cu ft = 1.05)
17
How do you find loose volume?
LV = LF x 1.5
18
How do you find the number of bags of cement?
1/6 x LV = number of bags
19
How do you find cu ft of sand?
2/6 x LV = Sand cu ft
20
How do you find cu ft for gravel?
3/6 x LV = Gavel cu ft
21
How do you find gallons of water?
8 gal per bag of cement
22
What materials are forms normally made from?
Wood
Metal
Earth
Fiber
23
What are the elements of wooden forms?
Sheathing
Studs
Wales
Strong backs
Braces
Shoe plates
Spreaders
Tie wires
24
What are the finishing operations?
Floating
Troweling
Brooming
25
What are the three major components of concrete?
Water. Aggregate (60% - 80% total vol) Portland Cement
26
