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Loring Air Force Base Double Cantilever Hangar
The Loring Air Force Base Double Cantilever hangar (officially known as Building 8280) is the largest structure at the former Loring Air Force Base, now the Loring Commerce Centre. The hangar measures approximately by and appurtenances cover . It was built with the capability of holding five B-36 Peacemaker, or six B-52 Stratofortress aircraft. The main hangar building was built in 1954 at a cost of $4.6 million.
==Description==
The hangar was constructed as one of the first hangars at Loring Air Force Base, which had opened two years prior to the opening of the hangar. The building was constructed with the goal of giving the Strategic Air Command crews a place to sustain an aircraft's condition should behavior by the Soviet Union warrant an attack. It also had the added benefit of protecting the crews from the harsh Maine weather. Having the capability to house five B-36 Peacemaker aircraft was critical, as the base was originally designated to host over one hundred of these aircraft. It was also one of the first double-cantilever hangars built for the Strategic Air Command, due to a new demand for a larger and more efficient space, in contrast to the World War II-era buildings which they inherited on many other bases. The building has an ejected caisson foundation designed to ensure stability in the harsh conditions of northern Maine. The foundation consists of 260 diameter concrete caissons that extend down to limestone bedrock at a depth of . Longitudinal arched steel trusses that are cantilevered at both ends from the shop supports in the center allow maximum vertical clearance. The north and south walls of the hangar each have a set of six doors that, when fully open, form a wide opening that accommodates the full wingspan of a B-36.〔
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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