New Construction: Walt Whitman Bridge
Walt Whitman Bridge: new construction for large temporary utility building foundation for the Walt Whitman bridge.
Weak soils existed at the site of a utility building located underneath the Walt Whitman Bridge was to be constructed. Initial plan was to excavate and replace up to fourteen feet of poor soil. The excavation proved to be expensive and an alternate method was sought.
CHANCE helical pull-down mircropiles (HPM) created the cost effect solution needed. Time/money was saved using the HPMs as the need to replace poor soils was averted.
Seven inch digger plates were used to create the grout column surrounding the CHANCE SS200 lead helical piles (7ft. with 8/10/12 helices) and the SS200 extensions to approximately 30 feet.
The CHANCE Helical Pull-down Micropiles were the chosen because their increased section modulus provided the necessary buckling capacity such that end bearing would dictate failure in the loose soil and not buckling .
12" x 12" new contraction caps were used to connect the new grade beam to the grouted helical piles below.
Ultimately, time and money was saved without the need to excavate the poor soils
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Earth Anchoring Suppliers, LLC
19 Trenton-Lakewood Road
Clarksburg, New Jersey 08510
183 Locust Avenue - No. 483
West Long Branch, New Jersey 07764
CHANCE® Civil Construction is a division of Hubbell Power Systems, Inc., the international leader in earth anchoring. CHANCE and ATLAS® brands are used worldwide in a variety of deep foundation applications.
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