首页> 外文会议>Geotechnical Practice Publication no.2; Biennial Denver Geotechnical Symposium; 20041022; Denver,CO(US) >Construction of the Hazeltine, Road Runners Rest Ⅱ and Brinkmann-Woodward Gravel Pits, Denver, Colorado
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Construction of the Hazeltine, Road Runners Rest Ⅱ and Brinkmann-Woodward Gravel Pits, Denver, Colorado

机译:科罗拉多州丹佛市榛树,路跑者RestⅡ和Brinkmann-Woodward碎石坑的建设

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The design and construction of the soil-bentonite liner for the Hazeltine, Road Runners Rest Ⅱ and Brinkmann-Woodward Gravel pits (Hazeltine) involved a 15- to 63-foot-deep by 3-foot-wide by about 3-mile-long cutoff trench filled with a soil-bentonite backfill that would combine three existing sand and gravel mines into one water storage facility that will ultimately provide Denver Water with 5,100 acre feet of storage along the South Platte River. The design and construction of the reservoir was accelerated to accommodate construction of 120th Avenue. The new roadway crosses through the Brinkmann-Woodward and Road Runners Rest Ⅱ pits, and requires up to 15 feet of fill to be placed above the soil-bentonite cutoff trench. The factors affecting liner construction included a tight schedule and ongoing mining operations that constantly changed site conditions throughout design and construction. The team of GEI Consultants, Inc. (GEI), Denver Water, and Envirocon, the contractor, quickly adapted an interactive approach to meet the challenges of construction at a site that changed daily, including modifying the alignment and placing over 200,000 CY of fill to create a working platform for construction of the trench. The team also had to respond to unforeseeable site conditions, like a 450-foot-long, 12-foot-deep section of concrete that had to be removed for liner construction. This paper discusses the construction challenges of the Hazeltine, Road Runners Rest Ⅱ, and Brinkmann-Woodward gravel pit liner.
机译:Hazeltine,Road RunnerⅡ和Brinkmann-Woodward Gravel坑(Hazeltine)的土壤膨润土衬层的设计和施工涉及15到63英尺深,3英尺宽,约3英里长填满土壤-膨润土回填物的截流沟,将三个现有的砂石和碎石矿合并成一个储水设施,最终将为丹佛水在南普拉特河沿岸提供5,100英亩英尺的储水量。加快了水库的设计和施工,以适应第120大街的建设。新的巷道穿过Brinkmann-Woodward和Road Runners RestⅡ坑,需要在土-膨润土防渗沟上方放置15英尺的填土。影响班轮施工的因素包括时间紧迫和采矿作业的持续进行,这些作业在设计和施工过程中不断改变工地条件。 GEI Consultants,Inc.(GEI),Denver Water和承包商Envirocon的团队迅速采用了一种交互式方法来应对每天变化的工地的施工挑战,包括修改路线并放置超过200,000 CY的填充料为建造海沟创造一个工作平台。该团队还必须应对不可预见的现场条件,例如450英尺长,12英尺深的混凝土部分,必须拆除以进行衬砌施工。本文讨论了榛树,Road RunnersⅡ和Brinkmann-Woodward碎石基坑衬砌的施工挑战。

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