Doha Metro – Green Line – Load cells on excavation supporting wall – Qatar

The Doha Metro now under construction is part of the Qatar Integrated Rail Programme. The JV Porr Bau GmbH (Austria) – Saudi Binladin Group Company Ltd – Hamad Bin Khalid Contracting Co. W.L.L. (Qatar) secured the EUR1.69 billion contract for Design and Build Package 4 the Green Line Underground of the Doha Metro. It will […]

Istanbul Strait Road tube crossing project – Turkey

Istanbul Strait Road Tube Crossing Project is based in Istanbul and includes tunnel construction, road widening, access ramps and an upgrade of the current operational management and control systems. The intended purpose of this project is to provide a bi-directional, safe, robust, reliable, comfortable, durable and uninterrupted transportation of light vehicles under the Istanbul Strait […]

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 […]

Monitoring works for the 2014 Sochi Winter Olympic Games – Russia

Sisgeo, thanks to the collaboration with its Russian partners AGT Systems and GPIKO, furnished and installed all the equipments necessary to monitor the most important road and railway works that are under construction in Sochi area, that is the neural centre of 2014 Winter Olympics.The monitored works are: retaining walls for the protection of roads, […]

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 […]

Molunghi landslide monitoring, Italy

Study and monitoring of Molunghi landslide The monitoring project of Molunghi landslide is the result of the cooperation between the Comune di Calice al Cornoviglio and the Road Department of La Spezia Province and it is began in consequence of the instability of both the provincial street and part of Monlunghi di Mezzo inhabitat during […]

Cleaning-up project of Panama City and Bay

The cleaning-up project of Panama City and Bay includes: Construction of Health Service networks Construction and rehabilitation of Collectors and Drive lines Interceptor system Plant for wastewater treatment. These elements will be developed to collect, transport and treat wastewater of Panama City which is currently discharged directly into the bay or rivers and streams in […]

FAQ#116 – How do I configure a WR-Log digital node to read RS485 Sisgeo TIMED sensors?

Sisgeo digital instruments can operate in two powering modes: TIMED or ALWAYS-ON (for more information see F.A.Q.#094).A string of mixed instruments consisting of TIMED gauges and ALWAYS-ON gauges cannot work.The first thing to do is therefore to check that ALL connected instruments in your array are set to TIMED mode.You can check the powering mode […]

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#034 – Is possible to repair/change the manometer without disassemble the load cell?

It is not possible to repair/change the manometer without disassemble the load cell. The scope of the glycerine inside of the manometer display is only to show eventual tampering of the manometer. The load cell work properly without glycerine, too.

FAQ#015 – The anchor load value displayed on the load cell manometer or readout does not agree with load calculated by the hydraulic jack. What’s right?

The main factors which influence the anchor measurements are: – axial misalignment of the jack– difference in diameter between the jack and the load cell. These factors cause bending of the bearing plate between the load cell and the jack and affects the response of the cell. To minimise this effect use the genuine distribution […]