Activity 6 UV, VIGO, 21 - Laboratório Nacional de...
7
1 Investing in our common future 5 th Transnational Workshop UV, VIGO, 21 st January 2011 duratiNet Activity 6 “Green” and smart structural materials repair products and systems duratiNet Investing in our common future 5 th Transnational Workshop UV, VIGO, 21 st January 2011 A6.1 A6.1 Concrete mixes with sub Concrete mixes with sub- products and recycled aggregates products and recycled aggregates (Univ. Bordeaux) (Fr) (Univ. Bordeaux) (Fr) A6.2 A6.2 Rebars Rebars more resistant to corrosion (SS, fibers) more resistant to corrosion (SS, fibers) (Univ. Vigo) (Es) (Univ. Vigo) (Es) A6.3 A6.3 Smart structural materials ( Smart structural materials ( Coatings, Coatings, Permanent monitoring Permanent monitoring ) ) (QUB) (UK) (QUB) (UK) A6.4 A6.4 New materials and New materials and systems systems for steel protection for steel protection (LNEC) (Port) (LNEC) (Port)
Transcript of Activity 6 UV, VIGO, 21 - Laboratório Nacional de...
1
Investing in our common future
5th
Tra
nsna
tiona
l Wor
ksho
pU
V, V
IGO
, 21st
Janu
ary
2011
duratiNet
Activity 6
“Green” and smart structural materials
repair products and systems
duratiNet
Investing in our common future
5th Transnational WorkshopUV, VIGO, 21st January 2011
A6.1A6.1 Concrete mixes with subConcrete mixes with sub--products and recycled aggregatesproducts and recycled aggregates
(Univ. Bordeaux) (Fr)(Univ. Bordeaux) (Fr)
A6.2 A6.2 RebarsRebars more resistant to corrosion (SS, fibers) more resistant to corrosion (SS, fibers)
(Univ. Vigo) (Es)(Univ. Vigo) (Es)
A6.3 A6.3 Smart structural materials (Smart structural materials (Coatings,Coatings, Permanent monitoringPermanent monitoring) )
(QUB) (UK)(QUB) (UK)
A6.4 A6.4 New materials and New materials and systemssystems for steel protection for steel protection
(LNEC) (Port)(LNEC) (Port)
2
duratiNet
Investing in our common future
5th Transnational WorkshopUV, VIGO, 21st January 2011
ObjectiveObjective
Critical review on:Critical review on:
●● the use of the use of ““greengreen””concreteconcrete mixes for new or repaired structures.mixes for new or repaired structures.
●● the use of structural materials with improved durability. the use of structural materials with improved durability.
●● the use of intelligent structural materials with active propertithe use of intelligent structural materials with active properties.es.
(self cleaning concrete, coatings, permanent monitoring systems)(self cleaning concrete, coatings, permanent monitoring systems)
●● the use of more resistant reinforcement materials than carbon stthe use of more resistant reinforcement materials than carbon steel.eel.
duratiNet
Investing in our common future
5th Transnational WorkshopUV, VIGO, 21st January 2011
RReduced consumption of:educed consumption of:cement, arid, watercement, arid, water
RRee--use of industrial wastesuse of industrial wastes
IIncreased service lifencreased service life
3
duratiNet
Investing in our common future
5th Transnational WorkshopUV, VIGO, 21st January 2011
1975 1980 1985 1990 1995 2000 2005 201010
20
30
40
50
60
Production of OPC in Spain
Pro
du
ctio
n/ t
on
s x
106
year
CaCO3 (> 75%)SiO2, Al2O3, Fe2O3
Clinker(1 ton ⇔⇔⇔⇔ 0.89 tons CO2)
Energy
0.35 tons CO2
Calcination
0.54 tons CO2
Reduced Consumption....Reduced Consumption....
duratiNet
Investing in our common future
5th Transnational WorkshopUV, VIGO, 21st January 2011
ReRe--use of industrial wastes....use of industrial wastes....
Aggregates, replacement materialAggregates, replacement material(Demolition wastes)
Corrosion inhibitorsCorrosion inhibitors
Granite cutting slurries
Red Mud
s
Hungary, 2010-10-05
4
duratiNet
Investing in our common future
5th Transnational WorkshopUV, VIGO, 21st January 2011
“Healthy”rebar
● pH 11-13
● Low [Cl-]
● Low RH
● High Resistivity
Increased service life....Increased service life....
duratiNet
Investing in our common future
5th Transnational WorkshopUV, VIGO, 21st January 2011
“Ill”rebar
● Low pH (< 10)
● High [Cl-]
● High RH
● Low Resistivity
5
duratiNet
Investing in our common future
5th Transnational WorkshopUV, VIGO, 21st January 2011
● Green Inhibitors
● Stainless Steels
● Galvanised steel
MONITORINGRH, ρρρρ, Cl-
● Coatings
● Waterproofing
H2Ovap
H2Oliq.
Increased service life....Increased service life....
duratiNet
Investing in our common future
5th Transnational WorkshopUV, VIGO, 21st January 2011
Interstate Highway 35W bridge in Minneapolis, Minnesota, 40-y old, On August 1, 2007
6
Investing in our common future
5th
Tra
nsna
tiona
l Wor
ksho
pU
V, V
IGO
, 21st
Janu
ary
2011
duratiNet
http://edition.cnn.com/2010/TECH/innovation/07/30/minneapolis.bridge.sensors
3 years later....3 years later....
Investing in our common future
5th
Tra
nsna
tiona
l Wor
ksho
pU
V, V
IGO
, 21st
Janu
ary
2011
duratiNet
Smart Bridge323 sensors
Cost: $233.8 M(sensors 1 M)
7
Investing in our common future
5th
Tra
nsna
tiona
l Wor
ksho
pU
V, V
IGO
, 21st
Janu
ary
2011
duratiNet
Activity 6
“Green” and smart structural materials
repair products and systems
