ACI 325.11R-2001
混凝土摊铺的加速技术

Accelerated Techniques for Concrete Paving

被代替

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标准号

ACI 325.11R-2001

发布

2001年

发布单位

ACI - American Concrete Institute

替代标准

ACI 325.11R-2019

当前最新

ACI 325.11R-2019

 

 

适用范围

"General Airport authorities and road agencies face major challenges from increasing traffic volumes on existing airports@ roadways@ and urban streets. Owners must repair or replace deteriorated pavements while maintaining traffic on these structures. Traditional pavement construction@ repair@ or replacement solutions may no longer be universally acceptable due to increasing public impatience with traffic interruption. Traditional solutions are especially inappropriate in urban areas where congestion is severe. Accelerated construction techniques for portland cement concrete pavement resolve these problems by providing quick public access to a highquality@ long-lasting pavement. Accelerated construction techniques are suitable for new construction@ reconstruction@ or resurfacing projects. Accelerated construction for concrete paving is often referred to as ""fast-track"" concrete paving. Accelerated paving encompasses two classes of activities: technological methods to accelerate the rate of strength gain and contractual methods to minimize the construction time. Many methods exist to accelerate pavement construction. Two traditional acceleration methods are time incentives and penalties for project completion. Agencies have been using these time-of-completion incentives for many years@ and often contractors will meet these requirements by lengthening the work day or increasing the size of construction crews. Using accelerated paving techniques@ a contractor often can complete a project without increasing crew size or changing normal labor schedules."

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