February 7, 2006: Unbuilding the base of D-26
and Happy Birthday, Joy
All trips start at the Sea Breeze and a view of T-3, the monument to
Test's tenacity of purpose. Today was particularly gloomy - but gloom and
doom do not the ABS team stop.
A closer look at T-3: about 1/3 of the right column is gone
The worksite looking west - Cousin Arthur looking over the Pearman and Grace
skeletons
and the jack-up barge positioned to work on the winching platform on
the Grace
This is a special view of the Grace - Pio's team is at 340' and counting
backwards - Mike is working the grapple over on the Grace - doing his
surgical removal of roadway. For him today is special - a big
happy birthday from us to his mom, Joy
I had a meeting at MUSC and missed the setup and loading - but here
are some of the pieces - first is the
receiver that Ken set up on the Ravenel base (the little red box
at the base of the right column)
and I am parked on the Ravenel rock garden - nice view looking west
The worksite - to the left is the barge with the ignition transmitter, whistle
and the rest of the ABS team. In the middle is the receiver and the
shock tube ignition line and to the right, is the target: D-26
A closer look at the blast control center
Before ignition
Stills extracted from the video showing shock tube ignition along
the river surface and along the top of D-26
Time = 0 msec - shock tube ignition
Time = 33 msec - propagation along the surface and toward the center of D-26
Time = 67 msec
Time = 100 msec - continued shocktube ignition toward the center
Time = 133 msec
Time = 167 msec
Time = 200 msec
Time = 233 msec
Time = 400 msec
Time = 433 msec
Time = 467 msec
Time = 500 msec
Time = 533 msec
Time = 567 msec
Initial explosion
well contained and vertical and lateral debris movement
just smoke (I need to learn what makes the yellow smoke)
a small tsunami wave radiates radially out from D-26 (about 4 - 6")
a little southward wind rapidly dissipates the smoke here
About 0.5 sec later, smoke has virtually dissipated
Inspection by everyone
then home with Ken and Kerry
and another view of T-3 - Steve Testa's demonstration of tenacity of purpose
