Riachuelo – Underground project
Geotechnical and structural monitoring system in forebay and TBM hydraulic tunnel The Matanza-Riachuelo River flows for approximately 64 kilometers, from the birthplace known as the District of La Matanza, to the shores of La Boca. The Matanza basin is the most polluted river in Latin America and it is considered one of the ten most polluted places […]
Tube inclinométrique Quick Joint
Codes de référence: S151 Le tube Quick Joint de Sisgeo est une alternative aux tubes inclinométriques classiques, il a été principalement conçu pour les applications dans les barrages en terre et les forages profonds. Le tube QJ garantit une jonction rapide et solide, et possède des rainures plus profondes du fait de l’épaisseur accrue du […]
Ptolemaida coal mine waste disposal – The deepest DEX installation (150 m) – Greece
This area, where the two DEX columns are installed, is an old waste rock dump site of an open pit coal mine. The depth of the waste is approximately 150 m and consists of alternating layers of silt, sand, gravels, limestone and lignite. Instruments installed:• Two QJ quick joint inclinometer columns, 150m length, with 11 […]
Rome Underground – Line C – Italy
Rome metro Line C runs through the city from North-West (Della Vittoria district) to the eastern suburb and is extending beyond the Grande Raccordo Anulare.Line C has a full-run of 25,6 km and 30 stations, passing through the old town centre.The Route will be characterised by the green colour. The interchanges with the other metro […]
Sogamoso hydroelectric project – Colombia
Sisgeo worked on the hydroelectric project on Sogamoso river, through Monitoriza, a company of Sisgeo group. Sisgeo supplied and installed all the equipments necessary for this project, located in the north-western area of Colombia, at about 40 km from Bucaramanga. The project concerns the building of a dam 190mt high and 300mt long, of a […]
El Quimbo Hydroelectric project – Colombia
Impregilo is realising in Colombia the hydroelectric power plant of El Quimbo on Magdalena river (in Huila region), on behalf of EMGESA, that is the biggest electric company of the country. The agreement is worth about 250ml of euro. The power plant will have an installed capacity of 400MW. The project includes the building of […]
Sakhalin-2 project Russia
The Sakhalin II project is an oil and gas development project on Sakhalin Island and immediately offshore, in the Sea of Okhotsk, from two fields: Piltun-Astokhskoye and Lunskoye. Piltun-Astokhskoye is primarily an oil field, and Lunskoye is primarily a gas field. The project has been met with heavy criticism over the potential environmental impact, which […]
FAQ#036 – Quel est le bon mélange pour réaliser le coulis d’un tube inclinomètre?
Il n’existe pas de règle stricte pour chaque type de sol. Cela dépend de nombreux facteurs qui peuvent varier dans chaque situation géologique et géotechnique. Dans tous les cas, le coulis utilisé doit avoir un comportement approchant celui du sol, même s’il n’est pas vraiment possible de faire correspondre leurs caractéristiques parfaitement, en particulier si […]
FAQ#026 – Que peut-on faire lorsque le tube inclinomètre « flotte » et remonte pendant l’installation?
Si le tube, même rempli d’eau, est plus léger que le coulis de ciment injecté, l’effort d’arrachement du coulis varie avec la hauteur de la colonne de coulis. Si la colonne est courte, l’effort d’arrachement est faible et le tubage peut être maintenu en place par son propre poids avec une très petite force vers […]
FAQ#023 – Pour obtenir les meilleurs résultats avec un inclinomètre, le forage doit-il être très proche de la verticale?
Le forage doit être effectivement foré le plus proche possible de la verticale. Cependant, un écart de 2 à 3 degrés par rapport à la verticale est normalement toléré.
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 […]
Rome Metro B1 Line Rome, Italy
There is a big work in progress in Rome regarding the realization of a new part of the already existing railway B line named “B1 line”. This new branch deviate from Bologna Station towards Africano and Montesacro area, following the way of Viale XXI Aprile, Piazza Annibaliano, Viale Eritrea, Viale Libia, Via delle Valli reaching […]
