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TTMJ SIGNED

NEW DIAPHRAGM WALL JOINT SYSTEM ALLOWING GREATER DEPTHS AND HIGH QUALITY JOINTS

Total Cost €

EC-Contrib. €

Partnership

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Outcomes and
results

TTMJ project word cloud

Explore the words cloud of the TTMJ project. It provides you a very rough idea of what is the project "TTMJ" about.

complete environmentally deep safety density track verticality either retaining experts invented construction eliminate innovation standard industry diaphragm interaction walling specialist innovative worldwide weakness structure validated designed perfect significantly populated society offers foundation 30m infrastructure sub functional ready trevi quality urban inventor outcome environmental defective underground jointing connections technically of irrespective demand panel patented market global individual view tension living joints risks status options teamed construct pressing actual arup forming possibility deeper works panels poor milled ttmj team wall foundations intimate techniques modern joint walls ccmj vastly solutions specifier

Project "TTMJ" data sheet

The following table provides information about the project.

Coordinator	TREVI SOCIETA PER AZIONI Organization address address: VIA DISMANO, 5819 city: CESENA postcode: 47522 website: n.a. contact info title: n.a. name: n.a. surname: n.a. function: n.a. email: n.a. telephone: n.a. fax: n.a.
Coordinator Country	Italy [IT]
Project website	http://www.ttmj-h2020.eu/
Total cost	2˙487˙218 €
EC max contribution	1˙741˙052 € (70%)
Programme	1. H2020-EU.3. (PRIORITY 'Societal challenges) 2. H2020-EU.2. (PRIORITY 'Industrial leadership')
Code Call	H2020-FTIPilot-2015-1
Funding Scheme	IA
Starting year	2016
Duration (year-month-day)	from 2016-09-01 to 2020-02-29

Partnership

Take a look of project's partnership.

#	participants	country	role	EC contrib. [€]
1	TREVI SOCIETA PER AZIONI TREVI SOCIETA PER AZIONI Organization address address: VIA DISMANO, 5819 city: CESENA postcode: 47522 website: n.a. contact info title: n.a. name: n.a. surname: n.a. function: n.a. email: n.a. telephone: n.a. fax: n.a.	IT (CESENA)	coordinator	1˙399˙420.00
2	CCMJ SYSTEMS LIMITED CCMJ SYSTEMS LIMITED Organization address address: NUTWOOD COTTAGE city: STRATHPEFFER postcode: IV14 9DT website: n.a. contact info title: n.a. name: n.a. surname: n.a. function: n.a. email: n.a. telephone: n.a. fax: n.a.	UK (STRATHPEFFER)	participant	208˙751.00
3	ARUP BV ARUP BV Organization address address: NARITAWEG 118 city: AMSTERDAM postcode: 1043 CA website: www.arup.nl contact info title: n.a. name: n.a. surname: n.a. function: n.a. email: n.a. telephone: n.a. fax: n.a.	NL (AMSTERDAM)	participant	132˙881.00

Map

Project objective

The increasing demand for complex infrastructure projects in density populated areas represents a major challenge for the construction industry, especially in view of the intimate interaction between construction activities and urban living. Modern society is pressing for innovative technical solutions to eliminate the safety, quality, environmental and management risks related to underground works. Diaphragm Walls are the retaining structure of choice for many of the most complex deep-foundation projects. Forming quality joints between the individual diaphragm wall panels is identified as the most significant weakness of the current process. Existing jointing techniques were designed for walls to 30m deep; modern diaphragm walls are typically significantly deeper. Beyond 30m, the options available are either technically and environmentally poor, or increasingly problematic, leading to sub-standard, defective joints. Foundation experts at CCMJ Systems have invented and patented the TTMJ (Tension Track Milled Joint) system which addresses the demand for a better diaphragm wall joint. This innovative new system offers the possibility to construct “perfect” joints to any depth irrespective of actual panel verticality. In addition it also allows for further innovation such as tension connections not currently possible. TREVI, CCMJ Systems and Arup have teamed up to complete development of the TTMJ system from present status to ‘ready for market’. ARUP is the leading specifier of diaphragm walling projects worldwide, CCMJ Systems is the inventor, TREVI will lead the team and is vastly experienced deep foundations specialist with a global presence. The expected outcome is a fully-functional and validated joint system providing a step change in diaphragm wall quality; ready for use across the deep foundations market.

Deliverables

List of deliverables.
Project launch - kick off meeting	Documents, reports	2019-09-02 10:36:33

Take a look to the deliverables list in detail: detailed list of TTMJ deliverables.

Publications

List of publications.
year	authors and title	journal	last update
2018	Julian Crawley, John Coupland, Maurizio Siepi, Paul Van Horn TTMJ - The new system for slurry (diaphragm) wall joints published pages: 416-425, ISSN: , DOI:	DFI - EFFC conference in Rome 2018 Biannual	2019-09-02
2017	Julian Crawley Maurizio Siepi Paul van Horn John Coupland TTMJ - The new system for slurry (diaphragm) wall joints published pages: 379-388, ISSN: , DOI:	DFI Conference New Orleans 2017 Annual	2019-09-02

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