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首页> 外文会议>4th International Pipeline Conference, Sep 30-Oct 3, 2002, Calgary >TANK FOUNDATION CONSTRUCTION IN SUB ZERO TEMPERATURES: TWO CASE STUDIES
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TANK FOUNDATION CONSTRUCTION IN SUB ZERO TEMPERATURES: TWO CASE STUDIES

机译：次零温度下的坦克基础建设：两个案例研究

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摘要

This paper presents and compares two case studies in which gravel foundations for steel oil tanks were built in early winter. The subzero weather presented challenges in the preparation of the site and the compaction of the gravel due to water freezing in the gravel and frozen subgrades. This conference paper will be useful to the pipeline industry in planning future tank foundations constructed in subzero temperatures. The first case studies a project ― Tank 46 at Hardisty ― that used aluminum coils running hot water to keep the overlying sand and gravel warm prior to placement and compaction. The second case studies a dual project ―Tanks 301 and 302 at Kirby Lake ― that used a heated tent to cover the tank foundation work as well as "tiger torch"-heated culverts to warm the overlying gravel stockpiles. The goal was to maintain water content in the gravel unfrozen until the design compaction levels were achieved. The two cases are compared on the effectiveness of compaction, ease of workflow and costs.
机译：本文介绍并比较了两个案例研究，在这些案例研究中，初冬时为钢制油罐建造了砾石基础。零下天气由于砾石和冻结路基中的水冻结，对场地的准备和砾石的压实提出了挑战。本会议论文对规划未来在零以下温度下建造的储罐基础的管道行业很有用。第一个案例研究了一个名为“ Hististy的Tank 46”的项目，该项目使用流动的铝盘管在浇筑和压实之前使上面的沙子和砾石保持温暖。第二个案例研究了一个双重项目“ Kirby Lake的水箱301和302”，该项目使用了一个加热的帐篷来覆盖水箱的基础工作，并使用“老虎火炬”加热的涵洞来加热上面的砾石堆。目的是保持未冻结的砾石中的水分，直到达到设计压实水平。比较了两种情况的压实效果，工作流程的简易性和成本。

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