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PILEINSPECT

Integrity Testing of Deep Foundation Piles

Coordinatore	MAROVISZ HUNGARIAN ASSOCIATION FOR NONDESTRUCTIVE TESTING -MAGYAR RONCSOLASMENTES VIZSGALATI SZOVETSEG TARSADALMI SZERVEZETEK Organization address address: VARROGEPGYAR UTCA 8 10 city: BUDAPEST postcode: 1211 contact info Titolo: Mrs. Nome: Szofia Cognome: Fogl Email: send email Telefono: +36 1 2780632 Fax: +36 1 278 0633
Nazionalità Coordinatore	Hungary [HU]
Totale costo	2˙598˙144 €
EC contributo	2˙016˙000 €
Programma	FP7-SME Specific Programme "Capacities": Research for the benefit of SMEs
Code Call	FP7-SME-2013
Funding Scheme	BSG-SME-AG
Anno di inizio	2013
Periodo (anno-mese-giorno)	2013-12-01 - 2016-11-30

Partecipanti

#	participant	country	role	EC contrib. [€]
1	MAROVISZ HUNGARIAN ASSOCIATION FOR NONDESTRUCTIVE TESTING -MAGYAR RONCSOLASMENTES VIZSGALATI SZOVETSEG TARSADALMI SZERVEZETEK Organization address address: VARROGEPGYAR UTCA 8 10 city: BUDAPEST postcode: 1211 contact info Titolo: Mrs. Nome: Szofia Cognome: Fogl Email: send email Telefono: +36 1 2780632 Fax: +36 1 278 0633	HU (BUDAPEST)	coordinator	631˙453.64
2	Nome Ente NON disponibile Organization address address: BOCANGEL 28 city: MADRID postcode: 28028 contact info Titolo: Ms. Nome: Elena Cognome: Gómez Email: send email Telefono: 34913612585	ES (MADRID)	participant	499˙520.50
3	DFI EUROPE VERENIGING Organization address address: CEINTUURBAAN 2 city: HARDERWIJK postcode: 3847 LG contact info Titolo: Mr. Nome: Henk Cognome: De Koning Email: send email Telefono: 31341456191 Fax: 31341456208	NL (HARDERWIJK)	participant	499˙255.95
4	GSP GESELLSCHAFT FUR SCHWINGUNGSUNTERSUCHUNGEN UND DYNAMISCHE PRUFMETHODEN MBH Organization address address: STEUBENSTRASSE 46 city: MANNHEIM postcode: 68163 contact info Titolo: Dr. Nome: Matthias Cognome: Schallert Email: send email Telefono: 49621331361 Fax: +49 62134358	DE (MANNHEIM)	participant	101˙217.50
5	BOUWSERVICE MANAGEMENT NEDERLAND BV Organization address address: ROOSEVELTLAAN 8 city: TERNEUZEN postcode: 4536 GZ contact info Titolo: Mr. Nome: Gilliam Cognome: De Nijs Email: send email Telefono: +31 115620927 Fax: +31 115623678	NL (TERNEUZEN)	participant	67˙182.50
6	CRANFIELD UNIVERSITY Organization address address: College Road city: CRANFIELD - BEDFORDSHIRE postcode: MK43 0AL contact info Titolo: Ms. Nome: Helen Cognome: Winkworth Email: send email Telefono: +44 1234 758293	UK (CRANFIELD - BEDFORDSHIRE)	participant	61˙613.00
7	BRUNEL UNIVERSITY Organization address address: Kingston Lane city: UXBRIDGE postcode: UB83PH contact info Titolo: Ms. Nome: Teresa Cognome: Waller Email: send email Telefono: +44 1895266206	UK (UXBRIDGE)	participant	56˙458.00
8	BUNDESANSTALT FUER MATERIALFORSCHUNG UND -PRUEFUNG Organization address address: Unter den Eichen 87 city: BERLIN postcode: 12205 contact info Titolo: Ms. Nome: Eva-Maria Cognome: Müller Email: send email Telefono: +49 30 8104 2257 Fax: +49 30 8104 2207	DE (BERLIN)	participant	50˙741.40
9	PER AARSLEFF (UK) LTD Organization address address: HAWTON LANE city: BALDERTON postcode: NG24 3BU contact info Titolo: Mr. Nome: Christopher Cognome: Primett Email: send email Telefono: +44 1636 611140 Fax: +44 1636 611142	UK (BALDERTON)	participant	29˙905.00
10	PILETEST SP ZOO Organization address address: UL. WARSZAWSKA 153 lok 123 city: BIELSKO-BIALA postcode: 43300 contact info Titolo: Mr. Nome: Ryszard Cognome: Rippel Email: send email Telefono: +48 516009965 Fax: +48 33 812 22 49	PL (BIELSKO-BIALA)	participant	18˙652.51

Mappa

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techniques installation driving detected piles hammer quality replace pile defects sonic integrity cast perform m

Obiettivo del progetto (Objective)

'A hundred thousand kilometres of piles are installed yearly in Europe. Problems can occur during pile driving including spalling of concrete at the pile’s head or point and transverse or spiral cracking. Industry figures suggest that as many as 3-5% of piles fail during installation. If a failure is detected, the cost of that pile is increased 4 times due to the remedial work needed to replace it. If a failure is not detected during installation of the new pile, the results can be more catastrophic with costs sometimes exceeding €1 M for a single failure.

Current pile inspection techniques involve dynamic load or sonic integrity testing. These are relatively fast to perform. However, the quality of results depends strongly on the knowledge and skill of the operator. It has been found that small defects that are less than about 0.4m (quarter wavelength) are difficult to detect. Some studies also indicate that defects representing less than 50% of cross sectional area are not detectable via sonic integrity testing.

PileInspect aims to develop ‘best practice’ for inspecting the integrity of cast-in-place and pre-cast concrete piles and of steel piles. We propose to replace the instrumented hammer and pile driving hammer with a portable shaker which will ensure repeatable, tailored excitation spectra, and should dramatically improve accuracy of estimation of the proposed diagnostic features.

Highly innovative signal processing methodologies (based on time frequency analysis techniques formulated for non-stationary signals) could be employed in order to try to increase the quality of diagnosis and perform automatic defect recognition.'