Portal de Cartagena
www.portaldecartagena.com
The Segura basin (CHS), an autonomous body under the Ministry of Agriculture, Food and Environment, has been completed repair work base tunnel Tagus-Segura in the Alicante town of San Miguel de Salinas, infrastructure 250 meters long channel that is part of the Campo de Cartagena, which stocks an irrigated area of ​​over 41,000 hectares.
The performance is a performance guarantee Tunnel San Miguel and the whole channel Campo de Cartagena for the coming years and has been finished in time for the start of the important summer season.
This postrasvase canal, 64 kilometers in length, distributed resources of the Tajo-Segura from the reservoir of La Pedrera, in the province of Alicante, to the Rambla del Albujón in Cartagena.
The works included the replacement of the floor of the tunnel, cracked in recent years by the action of gypsum, with small swell and push moisture teller mass concrete, cracking and deforming the base of the channel.
CHS technicians discovered the poor condition of the ground during a routine channel dredging, conducted last spring, involving the outage.
That was how the damaged area was observed, and so far the damage had been no problems in the distribution of flows for irrigators.
The Confederation has worked in both the tunnel mouths and 24 hours a day, in order to reduce the time of execution of the work and reactivate the water supply as soon as possible.
First we proceeded to chipping and removing the existing slab deformed and disintegrated.
Subsequently the field sanitation was conducted by an excavation 20 inches of loamy gypsiferous materials.
The affected area is filled with coarse aggregate, which functions as a buffer against the foreseeable future subsurface pressures.
This material has been placed a layer of sulfur-resistant concrete, which has embedded in the upper part, a steel mesh.
Finally there has been a seal all joints.
Source: CHS
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