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首页> 外文会议>Annual International Bridge Conference >A Gathering Place for Tulsa - Taking the Midland Valley Trail Across Riverside Drive
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A Gathering Place for Tulsa - Taking the Midland Valley Trail Across Riverside Drive

机译：塔尔萨的聚会场所 - 横跨河边的河边沿线散步

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摘要

Opened in September of 2018, the Gathering Place is a spectacular 27-hectare (66 acre) public park located two miles from downtown Tulsa, Oklahoma and nestled along the eastern bank of the Arkansas River. This paper focuses on design and construction of a footbridge spanning across busy Riverside Drive to integrate the river into the park landscape. As part of the park development the highway itself was transformed into an iconic feature. To meet this challenge, architectural considerations took an important role in the selection of the structure type for the new crossing, leading to the choice of a single-span, post-tensioned concrete box girder bridge with trapezoidal cross section. With a clear span of 43.7 m (143.5 feet) and a depth of only 1.2 meters (4.0 feet) the structure is exceptionally slender. A unique integral foundation system allowed the elimination of bearings, expansion joints, and abutment retaining walls, thus creating the impression of the bridge growing organically out from the landscape. The paper touches briefly on the transformation of the urban environment with the development of the park and then discusses the challenges encountered during design and construction of the footbridge due to its great slenderness and unusual foundation system.
机译：聚会场所在2018年9月开业，距离奥克拉荷马州市中心两英里有两英里的壮观27公顷（66英亩）公园，坐落在阿肯色州河东部。本文侧重于跨越河畔跨越跨越跨越河畔的人行桥的设计和建设，将河流融入公园景观。作为公园开发的一部分，公路本身被转变为一个标志性的功能。为了应对这一挑战，建筑考虑在选择新交叉路口的结构类型方面采取了重要作用，从而实现了一个单跨度，带梯形横截面的张紧的混凝土箱梁桥。晴间跨度为43.7米（143.5英尺），深度仅为1.2米（4.0英尺），结构特别细长。独特的整体基础系统允许消除轴承，膨胀接头和邻接挡土墙，从而产生从景观中有机化出来的桥的印象。本文介绍了城市环境随着公园的发展转型，然后探讨了在其巨大的苗条和不寻常的基础系统中设计和建造行人桥期间遇到的挑战。

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