| Terminal
18, Harbor Island, Seattle |
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Post-earthquake water pipe break (WP 135
in plan view map). Although only one of the two pipes broke, this is still
a clear indicative of liquified ground.
(N47.57380° W122.34828°; 03/02/2001)
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South to north view of the crack along
the contact between the pile supported structure over which the cranes
operate and the earth fill over which the containers are stored. At the
point where this photo was taken a 5 cm vertical drop was measured (WP
136 in plan view map)
(N47.57559° W122.34664°; 03/02/2001)
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Sand boils found along a crack with a
maximum measured vertical drop of 13 cm (see WP 138 on plan view map).
This crack is not along the contact between the pile supported structure
over which the cranes operate and the fill. The crack extends for a length
of approximately 100 meters.
(N47.58877° W122.34706°; 03/02/2001)
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Particle size analysis test performed
on the ejected soil found at the northeast end of Terminal 18 (WP 138 on
plan view map). The soil classifies as SM (Silty fine sand) according to
the USCS. 29% in weight passes the #200 sieve.
(N47.58877° W122.34706°)
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Extension Cracks found running along what
was is pressumed to be a buried utility line. Each of these cracks measured
1 cm to 2.5 cm.
(N47.58931° W122.34715°; 03/02/2001)
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East to west view of the rockfill levee
at the north end of Terminal 18.
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Circular shaped crack with a maximum vertical
settlement of 6 cm. The crack's length is approximately 20 meters and is
located close to the Crowley Maritime Corporation facilities.
(N47.58881° W122.34937°; 03/02/2001)
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| Terminal
5 |
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Cracks in the internal side of the rails
of the crane. Due to the advent of large gauge cranes, the width of the
pile supported structure was no enough to accomodate the new 100 feet cranes,
therefore the internal rail runs over a separate structure that consists
of a pile supported beam. This configuration caused both rails to behave
differently under shaking.
terminal The crane was not located
at this point during the earthquake.
(N47.57960° W122.36186°; 03/02/2001)
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The rails of the crane separated a maximum
of 2 inches between 1900 and 2300 feet. However, once the crane slowly
traveled over them, this separation was corrected. The location of a test
pit for inspection of the pile supported beam is seen in the photo. Divers
inspected the conditions of the pile supported deck.
(N47.57960° W122.36186°; 03/02/2001)
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| Terminal
30 |
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South to north view of crack along the
contact between the pile supported structure over which the cranes operate
and the earth fill over which the containers are stored. The opening of
the crack is approximately 2 cm to 3 cm and the vertical offset is 4 cm
to 5 cm.
(N47.58479° W122.34074°; 03/02/2001)
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Slumping of the compacted gravel fill
at the northwestern end of Terminal 30. The horizontal displacement measured
in the cracks adds up to more than 30 cm. Very little to no ravelling was
observed along the steep free face and no surface evidence of liquefaction
was observed in the close vicinity of the slope.
(N47.58462° W122.34209°; 03/02/2001)
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Compacted gravel overlying a rockfill
levee along the north end of Terminal 30. The slope of this face is about
1:1.5. The pile supported structure is seen in the background.
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A view from underneath of the pile suported
structure at the contact with the earth fill. As seen in the photo, the
two structures are divided by a concrete key wall and protected by concrete
sacks. Damage to piles was not evident.
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 Port
of Olympia |
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Cracking of road in the Port of Olympia
due to liquefaction.
(N47.05564° W122.89985°; 03/01/2001)
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Particle size analysis test performed
on the ejected soil found in the vicinity of the crack shown in the photo
to the left. The soil classifies as SP (Poorly graded fine sand) according
to the USCS. The soil was rich in shells.
(N47.05564° W122.89985°)
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1 cm to 2 cm wide cracks parallel to 20
foot-high slope along the east end of the Swanton Marina & Boatworks.
(N47.05115° W122.89602°; 03/01/2001)
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| US
Naval Reserve, located at south end of Lake Union, Seattle. |
4" wide crack that is evidence of displacement
of the Pier towards the north with respect to adjacent Naval Reserve Center.
(03/03/2001)
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Fender pile destroyed.
(03/03/2001)
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