Avshar Hadimi Dam – Turkey

FAQ#111 – Why I cannot read correctly my 4-20mA current loop gauge?

It could be a problem connected to the power supply given by the readout or logger. When the power supply is in the current loop (2-wire gauge) it is necessary to consider the effect of voltage drop across the shunt resistor on the voltage applied to the gauge. For example, suppose a 4-20mA gauge requires […]

Egnatia Odos Road – Athens, Greece

Egnatia Motorway was designed to the specifications of the Trans-European road network. Across Epirus and Northern Greece from Igoumenitsa to Evros, Egnatia Motorway is one of the largest road construction projects in Europe, 670 kilometres long and 24.5 metres wide.The realisation of this motorway requires the construction of: 50 road interchanges; 350 entrance / exit […]

FAQ#021 La pompe manuelle de repressurisation destinée aux cellules de pression NATM et remplie d’huile désaérée est-elle prête à l’emploi ? Quel type d’huile utilise-t-on pour cette application?

Oui. La pompe est remplie d’huile désaérée en usine et sous vide . Pour une utilisation normale dans le béton, l’huile à l’intérieur de la pompe est suffisante pour repressuriser 50 cellules de pression NATM. L’huile que nous utilisons est du type Edwards Ultra-grade 19 destiné à l’utilisation dans les pompes à vide.

FAQ#020 – Comment obtenir les meilleurs résultats avec des cellules de pression installées dans un remblai en terre?

La mesure de la pression totale en géomécanique, même s’il s’agit de l’un des paramètres les plus intéressants pour le concepteur, est généralement considérée comme peu fiable. Les observations passées rapportent un plus grand nombre d’échecs qu’avec tous les autres types de mesure. Des études théoriques réalisées par de nombreuses recherches ont mis en exergue […]

Cantanghel idraulic tunnel, access tunnel and main tunnels – Italy

Project Name: Martignano Tunnel Purpose of the project: Variant of S.S.47 “Valsugana” Project location: Italy – Trento Client: TOTO Costruzioni Spa – Italy Contractor: Provincia di Trento – Italy Tunnel Type: Double highway tunnel Excavation method: TBM machine Total length: About 4.200 meter Tunnel diameter: 12 meter End of construction: December 2006

Madrid Subway M 30 – Spain

The Madrid M30 motorway, the inner ring road of the city, is at the centre of a major urban renewal project. At the current time the M30 is a ‘barrier’ to movement in the urban areas it runs through. Despite its necessity as part of the road infrastructure of Madrid it causes much pollution to […]

Brescia Metro Italy

In a northern Italian city named Brescia there is one of the most innovative and complex project of the country: a public railway line of about 14 Km longer, that pass through the historical centre of the city. The progress in opening of all the sites and building obtained nowadays show a general situation of […]

Mujib Dam, Jordan

Project Name: Mujib Dam Purpose of the project: Irrigation and Water Supply Project location: Madaba Region Hashemite: Kingdom of Jordan Client: Jordan Valley Authority (JVA) Contractor:Aegek-Hydrogradnja J.V. Consultant:Lahamayer Dam Type: RCC with earthfill abutments (clay core) Height above foundation: 62 m Crest level: 199 m a.s.l. Crest length: 750 m Capacity of the Reservoir: 35 […]

Meijaran Dam, I.R. of Iran

Project Name: Meijaran Dam Project location: IRAN- RAMSAR Client: Mazandaran & Golestan Regional Water Authority Contractor:Cotra Co. Dam Type: Homogeneous(clay) Height above foundation: 32 (m) Crest level (above sea level): 153 (m) Crest length: 622 (m) Capacity of the Reservoir: 40,000,000 m3 End of construction: June 2004