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La Commissione Tecnica "Costruzioni stradali ed opere civili delle infrastrutture"

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Intervento di Maurizio Crispino (presidente della commissione "Costruzioni stradali ed opere civili delle infrastrutture" UNI) al convegno "Novità sulle strade: segnaletica e pavimentazioni" del 28 marzo 2018

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La Commissione Tecnica "Costruzioni stradali ed opere civili delle infrastrutture"

  1. 1. La Commissione Tecnica CT012 «Costruzioni stradali ed opere civili delle infrastrutture» Prof. Maurizio Crispino Politecnico di Milano Presidente della Commissione
  2. 2. Articolazione COMMISSIONE SC 01 ATTREZZATURE STRADALI SC 02 MATERIALI STRADALI SC 03 OPERE DI DIFESA DALLA CADUTA MASSI GRUPPO DI LAVORO GEOSINTETICI GRUPPO DI LAVORO RICOST. INCIDENTI STRADALI Le attività si svolgono in gruppi di lavoro
  3. 3. Interfaccia internazionali CEN/TC 154/SC 3 Bituminous bound aggregates CEN/TC 154/SC 4 Hydraulic bound and unbound aggregates CEN/TC 189 Geosynthetics CEN/TC 189/WG 6 Geosynthetic barriers - General and specific requirements CEN/TC 226 Road equipment CEN/TC 226/WG 11 Variable message signs CEN/TC 226/WG 2 Horizontal road signs CEN/TC 226/WG 3 Vertical signs CEN/TC 227 Road materials CEN/TC 50 Lighting columns TC CEN DI COMPETENZA TC ISO DI COMPETENZA ISO/TC 221 Geosynthetics ISO/TC 221/WG 2 Terminology, identification and sampling
  4. 4. Le attività
  5. 5. UNI/CT 012/GL 03 «Geosintetici» Coordinatore: Ing. Daniele Cazzuffi Revisione sistematica di norme (UNI 11309, UNI 11332, UNI 11498:2013) Definizione posizione nazionale su diverse norme (ad esempio): ISO 10772:2012 Geotextiles - Test method for the determination of the filtration behaviour of geotextiles under turbulent water flow conditions : Norma Confermata ISO 10776: Geotextiles and geotextile-related products -- Determination of water permeability characteristics normal to the plane, under load – Astensione ISO/DIS 11058 (Ed 3): Geotextiles and geotextile-related products -- Determination of water permeability characteristics normal to the plane, without load – ENQUIRY Norma confermata
  6. 6. UNI/CT 012 /GL 04 «Ricostruzione incidenti stradali» Coordinatore: Prof. Marco Anghileri Modalità di esecuzione dei rilievi degli incidenti stradali (UNI 11472). Qualificazione dei tecnici per la ricostruzione e l'analisi degli incidenti stradali - Requisiti di conoscenza, abilità e competenza (UNI 11294). NOTA: Si procede con l’analisi e la revisione del testo della norma dal solo punto di vista tecnico. La definizione che l’attività professionale sia o meno definibile come «non regolamentata» non è di pertinenza di UNI e verrà discussa in altra sede.
  7. 7. UNI/CT 012 /SC 01/GL 03 " Segnaletica Verticale« Coordinatore: Eros Pessina Revisione della UNI 11480, per adattarla alle nuove disposizioni ministeriali ed allo stato dell’arte. Nel 2016 viene emessa la nuova UNI 11480:2016, che tiene conto di tutte le tipologie di segnaletica verticale. Attualmente si sta predisponendo una bozza per la revisione della norma UNI 11122:2004, al fine di adattarla alle nuove disposizione del CEN ed alla UNI 11480:2016 emessa. Il gruppo sta valutando di sottoporre a revisione la UNI/TR 11218. Raccolta di materiale ed informazioni tecniche al fine di predisporre una bozza di progetto apposita sulla segnaletica cantieristica. In questo triennio il Gruppo di Lavoro ha risposto ai numerosi quesiti pervenuti all’UNI da parte di terzi
  8. 8. UNI/CT 012 /SC 01/GL 01 «Barriere stradali di sicurezza» (Barriere di sicurezza, attenuatori d’urto, terminali di barriera, chiusure varchi e protezioni motociclisti) Coordinatore: Prof. Marco Anghileri Revisione norma EN1317 (parti 1-2-3-4-5-6-7-8) CEN TC226. Si stanno incontrando notevoli problemi a causa dell’introduzione della CPR e delle nuove interpretazioni date dalla commissione. In particolare i problemi sono legati a:  Richiesta della Germania di introdurre nel corpo della norma armonizzata i regolamenti nazionali.  Questione non risolta sul fatto che le barriere gettate in opera possano o meno avere marcatura CE  Mancanza di dialogo con la DG Industria e con il CEN. Definizione del Manuale di utilizzo del dispositivo di sicurezza in funzione delle diverse condizioni di installazione. Questo documento dovrebbe sfociare in una norma nazionale che dia delle indicazioni su come valutare le installazioni delle barriere su strada quando differiscono da quanto provato in sede certificativa. (esempi: diverso terreno, presenza di cordolo)
  9. 9. UNI/CT 012 /SC 01/GL 07 " Meccanica Computazionale" Coordinatore: Prof. Marco Anghileri Definizione dei criteri per l’utilizzo delle prove virtuali all’interno della certificazione dei sistemi di ritenuta stradale Principali argomenti in discussione: Sviluppo della norma EN16303 sui criteri di validazione delle simulazioni. La prima bozza della norma è stata completata ed è in corso di invio agli stati membri per l’Enquiry. Sviluppo di un TR per l’interpretazione della revisione della ISO 17025 a laboratori virtuali che vogliano essere accreditati secondo la EN16303.
  10. 10. UNI/CT 012/SC 02/GL 06 «Monitoraggio pavimentazioni» Coordinatore Ing. Michele Mori Sviluppo Norma Monitoraggio Pavimentazioni SCOPO E CAMPO DI APPLICAZIONE La norma ha lo scopo di fornire a utenti finali, progettisti e gestori di reti stradali, indicazioni in linea con lo stato dell’arte per la conoscenza delle sovrastrutture stradali in esercizio che possano aumentare la consapevolezza per la migliore gestione delle attività di manutenzione delle pavimentazioni stradali in esercizio in funzione delle risorse disponibili. Quindi: •La norma è per tutti gli addetti al settore stradale; •Procedure di monitoraggio delle pavimentazioni per ogni tipologia di strada esistente soprattutto a livello di controllo di rete ma anche a livello di «design» (Appendice); •La norma tratta il monitoraggio funzionale e strutturale delle pavimentazioni flessibili; •Al momento sono trattate le strade (possibile sviluppo aeroporti -per i quali esistono Linee guida ENAC). Nella norma non ci sono soglie, ma si indicano dei livelli di servizio e come usarli.
  11. 11. Partecipanti al GdL – Norma monitoraggio pavimentazioni 17 partecipanti : • 10 gestori stradali/aeroportuali; • 5 laboratori • 2 società di ingegneria Tra gli enti: •ANAS, •POLITECNICO DI MILANO •REGIONE LOMBARDIA, •SINECO •TECNO PIEMONTE Il testo della norma è completo e condiviso. Prevista riunione conclusiva con testo definitivo
  12. 12. NORMA GL 06 “MONITORAGGIO PAVIMENTAZIONI” Norma di sistema o di processo TITOLO: PROCEDURA PER IL MONITORAGGIO DELLE PAVIMENTAZIONI DI INFRASTRUTTURE VIARIE IN ESERCIZIO INTRODUZIONE 1. SCOPO E CAMPO DI APPLICAZIONE 2. RIFERIMENTI NORMATIVI 3. TERMINI E DEFINIZIONI 4. CLASSIFICAZIONE DELL’INFRASTRUTTURA VIARIA 5. METODOLOGIE DI RILIEVO 6. TRATTAMENTO E UTILIZZO DEI DATI 7. FREQUENZE RILIEVI APPENDICE A. Monitoraggio delle pavimentazioni stradali - Normativa APPENDICE B. Classificazione indicatori sintetici (o globali) - Informativa APPENDICE C. Strategie manutentive - Informativa
  13. 13. UNI/CT 012/SC 02/GL 01 "Materiali stradali bituminosi e sintetici” Coordinatore: Stefano Ravaioli Progetto di norma nazionale relativo al fresato d’asfalto (2014-2017). Tale progetto è fortemente atteso dagli operatori del settore in quanto la normativa di riferimento è lacunosa e lascia spazio a troppe interpretazioni. Pubblicato in settembre con la sigla UNI TS 11688. Il GL è si anche espresso sui progetti di norma europea del CEN/TC 227/WG 1 di seguito elencati tra cui i seguenti: Formalmente chiusi: pr EN 12697-33 pr EN 12697- 8 Fpr EN 12697- 18 Fpr EN 12697- 52 Fpr CEN/TS 12697 - 50 Fpr EN 12697- 10 Fpr EN 12697- 13 Fpr EN 12697- 23 EN 12697 – 31
  14. 14. UNI CT 012/SC 02/GL 04 Materiali granulari non legati, cementizi e marginali Coordinatore: Prof. Marco Pasetto Il GL ha unificato le competenze dei precedenti Gruppi di Lavoro 03 – “Materiali per pavimentazioni in calcestruzzo, compresi filler e sigillanti” e 04 “Misti cementati, misti granulari non legati e materiali marginali”. Per il CEN TC227/WG03 “Materials for concrete roads including fillers and sealants" e WG04 “Hydraulic bound and unbound mixtures” (mirror group) esaminate oltre 50 norme e relative revisioni quinquennali. Per il CEN/TC 154/SC4 “Aggregati”, responsabile del pacchetto di norme (sotto Mandato) oggi alla base della marcatura CE degli aggregati (13043, 13242, 12620, 13450 ecc.). Nel 2014: Norma UNI 11531-1 “Costruzione e manutenzione delle opere civili nelle infrastrutture. Criteri per l’impiego dei materiali. Parte 1: Terre e miscele di aggregati non legati”, con cui si è colmato il vuoto normativo lasciato dal ritiro della citata UNI 10006. Avviata la discussione per la stesura della Parte 2 della Norma 11531, destinata a trattare (a livello indicativo) “Terre e miscele di aggregati con leganti idraulici, aerei, idrocarburici, o altri additivi che comunque sviluppino azioni chimico- fisiche”
  15. 15. UNI/CT 012/SC 01/GL 04 "Attrezzatura per il controllo del traffico" Coordinatore: Ing. Giorgio Durin Possibili modifiche alle norma EN12352, EN12368 e EN12675. Sono stati preparati 2 nuovi lavori : 1. Revisione-chiarimenti sui metodi di test della EN12368 Alcuni membri hanno quindi ricevuto il compito di scrivere dei testi riguardanti nuove metodologie di prova particolarmente orientate alla tecnologie LED 2. Rivedere l’utilizzo di lampade semaforiche da 100mm in Europa
  16. 16. Sotto-commissione SC 03 “Opere di difesa dalla caduta massi” Presidente: Prof. Alberto Clerici Aggiornamento delle norme esistenti: UNI 11211-1 Termini e definizioni: approvata la bozza di revisione UNI 11211-2 Programma preliminare di intervento: revisione in elaborazione UNI 11211-3 Progetto preliminare: approvata la bozza di revisione UNI 11211-4 Progetto definitivo ed esecutivo: revisione in elaborazione UNI 11167 Rilevati paramassi - Metodo di prova all'impatto e realizzazione: revisione in stato avanzato. Proposta normativa su manutenzione delle opere esistenti e di quelle di nuova progettazione.
  17. 17. Grazie per l’attenzione Maurizio Crispino

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