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overcoming squeezing in the yacambú-quibor tunnel, venezuela

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Characteristics and mechanisms of large deformation in the

... Tunnelling and Underground Space Technology" on DeepDyve, ... 2002 ), Yacambú-Quibor tunnel in Venezuela ... Overcoming squeezing in the Yacambú-Quibor ...

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Overcoming Squeezing in the Yacamb??-Quibor Tunnel, Venezuela

Download citation | Overcoming Squeezing... | The 5 m diameter 23.3 km long Yacambú-Quibor tunnel is designed to carry water through the Andes from the Yacambú dam in the wet tropical Orinoco basin to the semi-arid but fertile Quibor basin in western Vene

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Tunnelling & underground design (Topic6-sequential excavation

Tunnelling & underground design (Topic6-sequential ... This squeezing action may result in ... Overcoming squeezing in the Yacambu´-Quibor Tunnel, Venezuela.

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A Completely 3D Model for the Simulation of Mechanized

Int J Numer Anal Method Geomech 18:689–708 Debernardi D. Guevara R (2009) Overcoming squeezing in the Yacambu`– Quibor tunnel. Ugai K (2000) Numerical analysis of the stability of a slope reinforced with piles. Innsbruck University Press. pp 66–76 Barla G

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Yacambu-Quibor Water Tunnel Breaks Through - tunnelbuilder

Yacambu-Quibor Water Tunnel Breaks ThroughThe Quibor valley in Lara state, Venezuela occupies an area of some 434 square kilometres with semi-arid climate. It is situated 25 km south of Barquisimeto, a city of about one million residents, which is the lar

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Hoek E.'s Publications - Geotechpedia

Publications Other ... OVERCOMING SQUEEZING IN THE YACAMBÚ-QUIBOR TUNNEL, ... to the semi-arid but fertile Quibor basin in western Venezuela. The tunnel is ...

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Tunnel boring machines under squeezing conditions

For example, in one of the drives of the Yacambú – Quibor Tunnel (Venezuela, gripper TBM, D = 4.80 m) major heave of the tunnel floor was observed starting 50–100 m behind the TBM.

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Progress with the excavation and support of the Mingtan

The tunnel is excavated in silicified and graphitic phyllites at depths of up to 1270 m below surface and extreme squeezing problems have been encountered. Construction involved 8 ...

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Mechanisms of large deformation in soft rock tunnels: a case

Hoek E, Guevara R (2009) Overcoming squeezing in the Yacambu-Quibor tunnel, Venezuela. Rock Mech Rock Eng 42:389–418 CrossRef Google Scholar Hoek E, Marinos P (2000) Predicting tunnel squeezing problems in weak heterogeneous rock masses.

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Rock Mechanics and Rock Engineering, Volume 42, Issue 2

Brittle Rock Failure in the Steg Lateral Adit of the Lötschberg Base Tunnel. F ... of Tunnels in Squeezing Conditions ... the Yacambú-Quibor Tunnel, Venezuela. E ...

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Overcoming_squeezing_in_the_Yacambu_quibor_tunnel.pdf

Hoek, E and Guevara, R. 2009. Overcoming squeezing in the Yacambú-Quibor tunnel, Venezuela. Rock Mechanics and Rock Engineering, Vol. 42, No. 2, 389 - 418.

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Hoek's Corner | Published works & lectures from Dr. Evert Hoek

Rocscience is proud to host a library on rock engineering from the world-renowned expert, Dr. Evert Hoek. Evert Hoek was born in Zimbabwe, graduated in mechanical engineering from the University of Cape Town and became involved in rock mechanics in 1958 w

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Overcoming_squeezing_in_the_Yacambu_quibor_tunnel - Hoek E

View Notes - Overcoming_squeezing_in_the_Yacambu_quibor_tunnel from CVEN 4201 at University of New South Wales. Hoek, E and Guevara, R. 2009. Overcoming squeezing in the Yacamb-Quibor tunnel,

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Criterios de análisis y validación del comportamiento de los

In this thesis, the projects Palace-Rioblanco Tunnel of the Chingaza system and the Fuga Tunnel of the Guavio Hydropower Project in Colombia and in Venezuela Yacambu-Quibor tunnel, located to the northeast of South America on the Cordillera Oriental, has

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Canadian Geotechnical Journal - NRC Research Press

This tunnel had to pass through various squeezing fault zones ... Overcoming squeezing in the Yacambú-Quibor Tunnel, Venezuela. ... Canadian Geotechnical Journal ...

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The support capacity plots for the shotcrete lining are given

Overcoming squeezing in the Yacambú-Quibor tunnel in Venezuela 29 Rehabilitation at Chainage 2100 This section of the tunnel was constructed during fifth contract period (1991 to 1999) with excavation by means of a roadheader of a modified horseshoe shape

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The support capacity plots for the shotcrete lining are

Overcoming squeezing in the Yacambú-Quibor tunnel in Venezuela 28 Figure 29: Support capacity plots for steel sets installed without shotcrete. Figure 30: Support capacity 45 cm thick shotcrete lining installed after closure of the sliding joints.

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(PDF) 3D-TSP – Advanced geological prediction during

3D-TSP – Advanced geological prediction during tunneling projects in the Andes ... Overcoming Squeezing in the Yacamb??-Quibor Tunnel, Venezuela ... the semi-arid but fertile Quibor basin in ...

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Revista - Engineering bibliographies - Cite This For Me

Overcoming Squeezing in the Yacambú-Quibor Tunnel, Venezuela 2009 ... (2009). Overcoming Squeezing in the Yacambú-Quibor Tunnel, Venezuela.

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OVERCOMING SQUEEZING IN THE YACAMBÚ-QUIBOR TUNNEL

The 5 m diameter 23.3 km long Yacambú-Quibor tunnel is designed to carry water through the Andes from the Yacambú dam in the wet tropical Orinoco basin to the semi-arid but fertile Quibor basin in western Venezuela.

Learn More