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Concrete Trends and Innovations: 2015

Focusing on research and products emerging in the concrete industry
by

Heather Brown

on 12 September 2016

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Transcript of Concrete Trends and Innovations: 2015

Concrete Trends &
Innovations
Dr. Heather J. Brown
Glass Powder
Mixtures containing 10 to 30% glass powder (GP)
GP was ground to similar fineness of Portland Cement
Results:
Workability improved
Early strengths suffered but were comparable at 28 days
Permeability and freeze thaw resistance was improved
Optimum replacements were between 20 and 30%
Concrete
101
The Wasteless Free-Form Formwork construction technology combines existing processes and materials in a new way to fabricate non-repetitive free-form cast-on-site concrete structures using re-usable and digitally-fabricated wax formwork.

The re-usable wax formwork saves material and energy compared to polystyrene blocks or using flexed sheets of plywood.

A robotically actuated free form mold is created forming a re-meltable wax negative which is placed on-site as concrete formwork.
Innovation
Award 2012
Sunlight triggers and speeds up natural oxidation that keeps both the surface clean and improves air quality by breaking up pollutants into harmless substances
Two lift construction allows for a 2 inch overlay to control costs
Concrete
Three needed items:
1. Electro-conductive concrete utilizing high carbon ash and spent carbon sorbent (HCC)
2. Roadway embedded power (KAIST)
3. CityCar self driving, self organizing vehicles (MIT)
High Carbon Concrete
= Electricity?
Top 10 Material Research Results
Slabs
Walls
Sidewalks
Smog Eating Concrete
Homes
A
ffordable
B
eautiful
C
ommunity
D
uplicable
+
Positive
Leading
construction
advancing
Technology
Industry
ROMAN RECIPE
25 B.C.
BENDABLE CONCRETE
SELF HEALING CONCRETE
calcite-precipitating bacteria
1. Taxes
2. Death
3. Concrete Cracks
CONCRETE IS MOST USED
BUILDING MATERIAL IN THE WORLD
Translucent Concrete
Rock + Sand + Water + Cement
(and a little animal blood and hair)
Silica Fume
Decorative concrete
Glow in the Dark
Fiber Optic
FUN FACT #1
Each person uses 616 pounds of
cement each year
FUN FACT #2
How many cement plants in TN?
photovoltaic solar cells
electronic semiconductors
silicone rubber parts
urethane foam, sealants
adhesives
lubricants
food additives
coatings
polishes
cosmetics

FUN FACT #3 - Most recycled product today?
Full transcript