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Flashcards in Concrete Deck (20)
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1
Q

LIFE CYCLE

A

1 RAW MATERIALS ACQUISITION
2 PROCESSING + MANUFACTURE
3 PACKAGING4 DISTRIBUTION
5 INSTALLATION6 DISPOSAL, REUSE, OR RECYCLE

2
Q

SELECTION CONSIDERATIONS

A
1 EMBODIED ENERGY + WASTE
2 HEALTH IMPACTS
3 PERFORMANCE
4 MAINTENANCE
5 CERTIFICATION
6 REUSE 
7 AVAILABILITY
8 LABOR CAPABILITY
3
Q

ARTICULATION

A
1 CONSTRUCTION PROCESS + ASSEMBLY
2 JOINT
3 CONNECTION
4 TRANSITION
5 LAYER + STRUCTURE (CONCEALED, EXPOSED)
4
Q

CONCRETE IS THE _____COMMON CONSTRUCTION MATERIAL AND ______ MOST CONSUMED PRODUCT AFTER WATER

A

MOST COMMON

SECOND MOST CONSUMED

5
Q

COMPOSITE MATERIALS CONSIST OF…

A

CONCRETE, ADMIXTURES, AND REINFORCEMENT

6
Q

CONCRETE CONSISTS OF…

A

WATER, CEMENT, & AGGREGATE (COURSE OR FINE)

7
Q

REINFORCEMENT FOR CONCRETE CONSISTS OF…

A

STEEL REBAR OR SYNTHETIC FIBERS

8
Q

PORTLAND CEMENT IS MADE UP OF…

A

CALCIUM, SILICA, ALUMINA, IRON & OTHER INGREDIENTS

9
Q

HOW MANY TYPES OF CEMENT ARE THERE, AND HOW DO THEY DIFFER

A

EIGHT TYPES

THAT DIFFER IN STRENGTH, DRY TIME, AND SULFATE RESISTANCE

10
Q

WHAT ARE THE MAIN AGGREGATES?

A

FINE
COURSE
LIGHTWEIGHT
RECYCLED

11
Q

WATER IN CONCRETE

A

STRENGTH PROPORTIONAL TO WATER-CEMENT RATIO GIVES WORKABILITY,
AIDES IN PLACEMENT
POTABLE
FREE OF CHLORIDES

12
Q

ADMIXTURES IN CONCRETE

A
AIR ENTRAINMENT: 
WATER  REDUCERS 
SUPERPLASTICIZERS:
CURING ACCELERATORS/ RETARDERS 
FLY ASH:
FIBROUS:
13
Q

STEEL REINFORCEMENT CONSISTS OF…

A

REINFORCING BARS
WELDED WIRE REINFORCEMENT
FABRIC

14
Q

FORM-WORK MATERIALS CONSIST OF

A

WOOD, STEEL, CNC FOAM, WAX/SAND, FABRIC

15
Q

WHAT TEST DO YOU PERFORM ON CONCRETE TO EXAMINE STRENGTH?

A

CYLINDER TEST

16
Q

WHAT TEST DO YOU PERFORM ON CONCRETE TO EXAMINE WORKABILITY?

A

SLUMP TEST

17
Q

WHAT ARE THE ENVIRONMENTAL IMPACTS OF CONCRETE? (4)

A

ENERGY: 2% OF TOTAL ENERGY CONSUMPTION BY U.S. MANUFACTURING
EMISSIONS: CEMENT SECTOR 5% OF ALL MAN-MADE CO2
EXTRACTION: ECOSYSTEM DEGRADATION FROM MINING OR DREDGING
WATER: CONSUMPTION (1 BILLION GALLONS PER YEAR) AND POLLUTION (INCREASES pH)

18
Q

HOW DOES ONE DECREASE THE ENVIRONMENTAL IMPACTS OF CONCRETE?

A

DECREASE EMISSIONS
UTILIZE RECYCLED AGGREGATES
INCREASE CURING PERIOD
REDUCE PORTLAND CEMENT

19
Q

WHAT IS FLY ASH?

A

WASTE PRODUCT, DECREASES CEMENT USE, DECREASE PERMEABILITY

20
Q

OTHER CONCRETE PRODUCTS

A
POROUS CONCRETE
ULTRA-HIGH PERFORMANCE CONCRETE
SELF-CONSOLIDATING CONCRETE
INTEGRAL COLOR CONCRETE
GRAPHIC CONCRETE
TRANSLUCENT CONCRETE
3D PRINTED CONCRETE