Portway Trouble at Fill
By MikeHydroSoil | Thursday, March 11, 2010, 23:59
PORTWAY : Bridge Valley Road wall and floods,
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Avon Gorge landslide across tunnel south side Somerset
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The rock face west Avon Gorge
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Bridge Valley Road east rock net post 1974 slide events Engineering Geology consultants advisory
south slide and 1974 event. In 1974 City of Bristol and DTp were advised by the
Civil Engineering consultants appointed that the rock wall so favoured by
climbers at the car park green recess was impracticable to save and although
Bristol Council members and engineers were concerned over services in the
Portway road that the precipice needing taking back to relieve the rocking
action that had set into the cliff face. The City refused, the prospective
engineers resigned the contract as the slab was so unstable and pinning (rock
bolt) would have required too great a stress load. Later some cut back had to
be enforced with the Portway closed and many net units were rock bolted into
the Avon Gorge face. Canopy as described herein was utilized in Austria at that
date and adopted for the section below the Suspension Bridge, where the
"Brunel" foundations are juxtaposed with highly cavernous solution
reduced Cardoniferous Limestone mass blocks at rest (William J. Larnach &
Reginald Bradshaw University of Bristol and other reports in Engineering
Geology, University of Bristol, aver there is no immediate danger, but the site
is less than suited to alteration of high bearing stress dependency if not
monitored and for new build). It is likely if the records are read that even
with pins the base nature of the riparian edge and types of rock therein do not
suit support of block limestone above. The recent 2010 closure of Portway
Bridge Valley Road is just one session in a number of engineering works,
including the loss of the basement road river alluvial edge, piled and service
pipes. Further authors, investigators are referred on Acrobat com, where some of my fair rendered hours of your 'boredom' can be enjoyed on related issues, these much less well documented at mdsess2009 than those other authors can better be relied upon to present, to which I would prefer you worked. If I can send students to sleep in lectures ... what limit is there to potential energy ?
To The East of Portishead
Along the Plains of Tidal Reach
Fell a little sea wall
Rock on the edge of Hope
The Little Green Eye god
of the Rating housing local
has propped up Portbury Dock,
basins, cliffs and Focal
Points of military search
Submariners seeking Church
Men dropping off the bridges
Flying into Clifton ridges
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