Adval JSC - Tunneling

Tunnel construction

The company Adval JSC, specialized in tunnel construction, has executed over 50 km tunnels and has approximately 20 years of experience in this field. The company builds all types of tunnels, such as: road, railroad and subway, hydro technical, etc.

Anchor and anchor structures

The fundamental concept of soil nailing consists of reinforcing the ground by passive inclusions, closely spaced, to create in-situ a coherent gravity structure and thereby to increase the overall shear strength of soil and restrain its displacements. read more »

Steel production

We manufacture steel structures of all types. Through usage of construction elements, which bear big loads, we are able to produce complex bearing structures and offer flexible and suitable decisions to our customers and partners. Relatively short time of planning and installation, ensure economical effectiveness of our works. read more »

About Adval

Adval JSC was founded in 1993. The company specializes predominantly in tunnel construction and strengthening structures.

Adval is the first company in Bulgaria to adopt and apply the New Austrian Tunneling Method. The company performs anchors, drilling and grouting works and sprayed concrete.

In partnership with other well-known European companies and also individually, Adval participates in tunnel construction work in Germany, Spain, Greece and Bulgaria.

News

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Adval JSC prized with the Award of the Bavarian Representation in Bulgaria.

On 6th of December 2011 Adval JSC was prized with the Award of the Bavarian Representation in Bulgaria.The Award is an acknowledgment for exceptional full text »

“Adval” JSC with a prize from the annual chart “Top 50+” of the Bulgarian Construction Chamber

On the 26th of October 2011 – the professional holiday of the Bulgarian construction workers and companies, The Bulgarian Construction Chamber awa full text »