STELCOR MICROPILES EXCEEDED THE REQUIRED CAPACITY AT ALMOST HALF THE DEPTH REQUIRED FOR AUGERCAST.
OVERVIEW:
The boardwalk and all of the facilities at Long Beach were washed away during Hurricane Sandy. The plans for rebuilding the boardwalk included restrooms, changing rooms, lifeguard stations, and concessions at seven locations along the boardwalk. Initially, there were 257 augercast piles specified for this project.
CHALLENGE:
The GC was facing time constraints and the top priority was to get the piles installed quickly and with minimal site mess.
SOLUTION:
Ideal presented STELCOR as a cost-effective alternate to augercast piles. The STELCOR piles exceeded the required capacity at depths ranging from 15′ to 20′. That is around half of the 30’ depth that was required for the augercast piles which were initially specified for the project. No modifications were made to the installer’s existing equipment, and by eliminating spoils, there was minimal site mess.
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LOADS
50 kips/100 kips ultimate
compression
45 kips/90 kips ultimate uplift
2.0 kips/4.0 kips ultimate lateral
SPECIFICATIONS:
STELCOR 1200
16” tip or drive plate
12” corrugated grout column
9” solid grout column
8” reverse auger
5.5” steel core
.304 wall thickness 55 ksi
SOILS + EMBEDMENT:
20’ max with STELCOR
View soils report
TIME FRAME:
Foundations for 7 structures are
being completed in 3 phases.
