Research Group of Durability and Structural Safety

Carmen Andrade Institute of Construction Sciences “Eduardo Torroja”

CSIC-Spain

17.319 Total personnel

12.863 Civil servants

126 Institutes 163 Associated Units

CATALUÑA

BALEARES

ARAGON

NAVARRA

ASTURIAS

CASTILLA-LEON

CASTILLA-LA MANCHA

MADRID

GALICIA

EXTREMADURA

ANDALUCIA

MURCIA

C. VALENCIANA

21

6

1

2 2

2

1

11

40

1

22

5

3

5

ROMA

1

CANARIAS

1

CANTABRIA PAIS

VASCO

1

1

LA RIOJA

Calar Alto Oceanographic vessel

Hespérides

Antarctic base Juan Carlos I

4.794 Researchers 6.660 Technicians 1.409 ADMINISTRATION

31/10/2012

CSIC

PUBLICATIONS Materiales de Construcción Informes de la Construcción

TECHNICAL SERVICES National Building Code

Evaluation of Innovative systems

DEPARTMENS Construction Safety and Durability Synthesis and recycling of materials

Research Groups

IETcc prepares all

drafts of standards

of the Building

Technical Code

issued by the

Ministery of Public

Works.

INSTITUTE OF CONSTRUCTION SCIENCES “EDUARDO TORROJA”

Presentation of the lines of research of the Group

CORROSION AND STRUCTURAL SAFETY GROUP thematic research goals

5

• Metallic Corrosion mechanisms and concrete

durability

• Non destructive techniques for measuring

corrosion

• Service life control through embedded

sensors

• Reinforcement protection methods: stainless

steel, galvanized rebars, inhibitors

• Rehabilitation and repair techniques

• Numerical simulation

• Service life modelling and structural Safety

evaluation

DESIGN OF CONCRETE AGAINST

ENVIRONMENTAL IMPACT

SAFETY EVALUATION

Time

Inaceptable

limit Mínimum

Load-bearing

Colapse

Service life

Actual life

Time to

repair

(Residual

Life)

Safety

Margin

Inspection techniques

Developers of the Corrosion

rate meter GECOR

Icorr: Corrosion rate mA/cm2.

Ecorr: Corrosion Potential (mV).

Resistivity (kW.cm).

7

DEIGN OF DURABLE CONCRETE: Panamá canal EVALUATION OF EXISTING STRUCTURES: Maracaná Stadium

Atlantic Approach Channel Gatun Lake

Colaboration with Enresa-Spain from 1987 with Ondraf-Belgium from 2011

El Cabril-Cordoba disposal of m&llrw

Composition of concrete and mortar.

Concrete Mortar

Cement I-42.5 R/SR 400 -----

Cement IV-B-32.5 SR/BC ----- 708.3

Sand (0-2.5 mm) 297 -----

Sand (0-5 mm) 614 -----

Sand “ASIROSA” ----- 1239.4

Aggregate (6-16 mm) 949 -----

Superplastifier Melcret 222 4.8 (l) -----

Admixture Rheobuild 1000 ----- 7 (l)

w/c Ratio 0.45 0.37

w/(c+blending agents) Ratio 0.45 ------

Icorr, WALLS A, B C AND D

0.001

0.01

0.1

1

mar-94

sep-94

mar-95

sep-95

mar-96

sep-96

mar-97

sep-97

mar-98

sep-98

mar-99

sep-99

mar-00

sep-00

mar-01

sep-01

mar-02

sep-02

mar-03

sep-03

mar-04

sep-04

mar-05

sep-05

mar-06

Icor

r (m

A/c

m2)

D1 D2 D3 D4 D5 D6 D2 D3 D4 D5 D6 B1

B2 B5 C1 C2 C5 A1 A2 A3 A4 A5 A6

Designing Modelling Monitoring

PILOT CONTAINER FOR THE

MONITORING OF CONCRETE IN

BURIED CONDITIONS

ASSESSMENT OF THE CONCRETE CONDITION IN “JOSE CABRERA” NUCLEAR POWER STATION AFTER

DISMANTELING

It was commissioned in 1968, and it operated until 2006

On february 2010, ENRESA took the responsibility for decommissioning the station

Biological shielding. Core samples (irradiated):

120

CORE SAMPLE

TEST COUPONS

THANKS FOR YOUR ATTENTION