Portal de Murcia
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The work will last for six weeks after award and a cost of 700,000 euros |
Technical reports made to clarify the origin of the settlement of the experimental section of platform tram Juan Carlos I have concluded that the seats have been detected in the level of artificial fillers as a result of water saturation level of fillings.
The Councillor for Traffic and Safety, Nuria Fuentes said Monday that the brazier of Avenida Juan Carlos I is not produced by the tram works, since according to the geotechnical studies carried out, this brazier has provoked an extraordinary contribution of water, whether heavy rain or a rising water table.
The conclusions of the geotechnical study and project done to fix this sinking state that "the declines reflected in the platform due to movements in the underlying layer of fillings.
The most likely cause which has led to these movements, an analysis of the results obtained from the relevant tests and that the land on which supports the platform is clear that the construction project seems to have been an influx of water to fill. "
In short, "the most likely cause which has led to these movements, an analysis of the results obtained from the corresponding tests, seems to have been an influx of water into the landfill.
Given that the results of the readings taken in the present levels in October are very similar to those taken in May last, it appears that the seats have been stabilized and will not increase. "The Board of Governors has this morning approved the rehabilitation plan for the firm and the subsoil beneath the platform and road tramway in Avenida Juan Carlos I, consisting of the sanitizing of all artificial fillers and drains for the disposal running water.
After the removal of existing landfills, shall be a dual function geocomposite drainage and strengthen and extend it to wrap a geotextile drainage layer.
Among other measures, steps will be taken to minimize potential soil seats.
This work will last for 6 weeks and added cost 700,000 euros.
Chronology July 17, 2010 the tram Concessionary informed the City that it had discovered a settlement of the tram platform the experimental section Murcia tram.
Immediately, the City Council orders the execution of 3 drilling at a depth of 8m in the road attached to the tram platform, to study the causes and possible solutions without unnecessarily damaging the platform.
At the same time performing a CT (NDT) to 5 m depth of field in the area affected by the settlements.
EMUASA also requests an inspection and report of the tightness of the sewer, water supply and irrigation of their property in the entire stretch of Juan Carlos I from Emuasa to Abenarabi, with intent to dismiss or not such networks as a contribution water.
The July 26 start, by order of City Hall, the excavation of a tasting in the road next to the platform, with the intention of identifying hazards to vehicles by the road by the existence of tunnels.
On 18 August, the management of work orders to perform two boreholes to propose solutions to the problem.
The studies are based primarily on the verification of theoretical seat field and its comparison with the entries found and its possible evolution.
Ordering the emptying Fofó Garden pond, on suspicion that there are water leaks into the ground.
In late August, receiving inspection report Emuasa networks, according to which all are in excellent condition, no leaks.
In September, with all data the Department of Work begins their analysis by a geotechnical study upon which presents some conclusions of the reasons that caused the problem and a technical proposal for resolution.
The City Council ordered in October to address the drafting work of a construction project to collect the studies, their findings and proposed repairs.
November 5 is performed, and on the platform tram, a tasting to describe the materials on which it sits, so that you can define precisely the actions to be performed.
11/25/1910: We present the Visa project at City Hall.
1/12/2010: Adopted by the Governing Board of the Project and specification.
Source: Ayuntamiento de Murcia
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