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SUPPORT DEPARTMENT
We have adapted to customer’s necessities and requests, using our underground mining experience to offer material for support tunnels, civil work, etc. Our staff carries out tests in the construction works.


Friction bolts for tunnels and galleries
• EMCOR-EXPANBOL bolting system for tunnels and galleries.• Quick fixing and anchoring
• High quality level and guarantee.
• Breaking load from 120 to 240 KN.
• A full range of pneumatic and electric water pumps
• Made in Spain, and exporting worldwide.

Steel fibre, loose or glued for shotcrete tunnel lining
• Concrete mechanical properties are considerably improved• High crack control effect
• High resistance to shrinkage stress
• High durability through energy absorption capacity.
• Tensile Strength from 1100 a 1400 N/mm2.
• Diameters from 0,55 to 1 mm
• Supplied as glued or loose type in biodegradable bags of 20 kg or Big-Bag de 1000 kg.
• Sale and rent of dosing machines with automatic weight system.

Structural profiles for support
• Steel arches TH according to norm DIN 21544
Profiles TH:
• Quality 31 Mn 4
• Inverse or normal bent
• Metal support from 120 at 200 HEB
• Metal support in I, U
Profiles HEB, IPN Y UPN
• Quality S275 JR
• Welded joint plates y screw in quality 8.8
• Joint clamp type AUXI and type Cramp, Collar bracing UPN 80 or corrugated
• Plate Bernold of 1200 x 1080 x 2mm, straight and bent.
C/ González Besada,55,1º 33007 OVIEDO Asturias España | Tlf: (+34) 985 966 212 | Fax: (+34) 985 964 123