Environmental Engineering Reference
In-Depth Information
Table 1.
list of basic characteristics of implemented tunnels in Grand canary island. east zone.
Geotechni-
cals problems
Denomination
longitude constructive procedure
Geological formation
Geological materials
m
san José
570
no explosives. Trench.
conglomerate/ pumice
clasts, sands, clays
Detachments,
water
Pico Viento
180
no explosives, Trench
cemented conglomerate clasts, sands, clays
no problems
santo Domigo*
275
advance-destroy, Bernold cemented conglomerate clasts, sands, clays
no problems
santo Domigo**
279
advance-destroy, Bernold cemented conglomerate clasts, sands, clays
no problems
Pedro hidalgo
464
complete section
cemented conglomerate clasts, sands, clays
no problems
salto del negro*
275
advance-destroy, Bernold cemented conglomerate clasts, sands, clays
no problems
salto del negro** 283
advance-destroy, Bernold cemented conglomerate clasts, sands, clays
no problems
sabinal
156
advance-destroy, Bernold cemented conglomerate clasts, sands, clays
no problems
acceso a Tafira
253
complete section
cemented conglomerate clasta, sands, clays
no ploblems
Marzagán*
391
advance-destroy, Bernold cemented conglomerate clasts, sands, clays
no problems
Marzagán**
371
advance-destroy, Bernold cemented conglomerate clasts, sands, clays
no problems
* sea side. ** land side.
Table 2.
list of basic characteristics of implemented tunnels in Grand canary island. south zone.
Geological
formation
Geotechnicals
problems
Denomination
longitude
constructive procedure
Geological materials
m
salvaje*
294
advance-destroy, Bernold
conglomerate
Phonolitic conglom.
Rocks fall
salvaje**
289
advance-destroy, Bernold
conglomerate
Phonolitic conglom.
Rocks fall
Galeón*
405
advance-destroy, Bernold
conglomerate
no welded ignimbrite
Rocks fall
Galeón**
405
advance-destroy, Bernold
Trachytic/Riolitic
no welded ignimbrite
Rocks fall
Pino seco*
532
new austrian T. Method
Phonolitic/Riolitic
ignimbr./pyrocl. flows
Wedge-shaped
rocks
Pino seco**
407
new austrian T. Method
Phonolitic/Riolitic
ignimbr./pyrocl. flows
Wedge-shaped
rocks
Balito*
349
new austrian T. Method
Phonolitic/Riolitic
ignimbr./pyrocl. flows
Wedge-shaped
rocks
Balito**
349
new austrian T. Method
Phonolitic/Riolitic
ignimbr./pyrocl. flows
Wedge-shaped
rocks
ing. h. linares* 1.162
new austrian T. Method
Phonolitic/Riolitic
ignimbr./pyrocl. flows
Wedge-shaped
rocks
ing. h. linares** 1.184
new austrian T. Method
Phonolitic/Riolitic
ignimbr./pyrocl. Flows
Wedge-shaped
rocks
el lechugal*
228
new austrian T. Method
Phonolitic/Riolitic
ignimbr./pyrocl. flows
Wedge-shaped
rocks
el lechugal**
225
new austrian T. Method
Phonolitic/Riolitic
ignimbr./pyrocl. flows
Wedge-shaped
rocks
Motor Grande
284
new austrian T. Method
Phonolitic/Riolitic
ignimbr./pyrocl. flows
Wedge-shaped
rocks
* sea side. ** land side.
Table 3.
list of basic characteristics of implemented tunnels in Grand canary island. north zone.
Geotechnicals
problems
Denomination
longitude
constructive procedure
Geological formation
Geological materials
m
Tenoya
294
Traditional method
conglom./basaltic flow clasts and lavas
Rocks fall
ing. J. luengo*
593
advance-destroy, Bernold conglomerate
Phonolitic conglom.
Rocks fall
ing. J. luengo** 613
advance-destroy, Bernold conglomerate
Phonolitic conglom.
Rocks fall
* sea side. ** land side.
