Investigation for South Fill Area, United States Military Academy, West Point, New York Page: 11 of 262
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d. Program of horizontal and vertical measurements.
e. Additional loading of the fill.
f. Regrading and leveling permissible using light equipment.
. Installation of piezometers in clay and bedrock.
h. Review of status reports.
7. The North Dock slide in 1961 prompted the first well-documented
investigation (WES, 1962) of subsurface conditions at the South Fill
area. A number of general sample borings had been made in the South
Fill area in 19141; however, the soil classifications used on the boring
logs were somewhat doubtful. Therefore, only the portions of the logs
of these borings that indicated the top of rock were reported (WES,
8. Stability analyses indicated that the South Fill area had a
narrow margin of safety. Its stability should increase slowly with
time. Piezometer observations indicate that relatively high excess pore
pressures existed in the foundation beneath the fill. It was estimated
that about 22 percent of the ultimate settlement under the existing fill
had occurred as of October 1961.
9. It was recommended, among other items, that no additional fill
be placed in the South Fill area, that the South Fill area be reserved
for athletic fields, that piezometers and reference points be observed,
and that data be evaluated at frequent intervals.
10. A paper entitled "Performance of Fill Foundation, West Point,
New York," was presented to the Fifty-Second Annual Meeting of the
Highway Research Board (Sherman and McAnear, 1973). No additional
sampling or testing was conducted for this paper. The measurement data
reported from instruments installed in 1961 included piezometers, refer-
ence points (surface markers), and four slope indicators. Subsequent to
the 1961 investigation, the tennis course that had been constructed in
the South Fill area afforded a means for tracing the development of sur-
face cracks. The crack pattern reflected the greater settlement of the
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Taylor, Hugh M., Jr.; Poplin, Jack K. & Mitchell, Gerald B. Investigation for South Fill Area, United States Military Academy, West Point, New York, report, August 1980; Vicksburg, Mississippi. (https://digital.library.unt.edu/ark:/67531/metadc303971/m1/11/: accessed June 19, 2019), University of North Texas Libraries, Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.