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本文主要介绍在高地下水位且排水困难、支护结构尺寸受限制、淤泥质砂层为主的复杂不良地质中,采用钢管排桩与钢管土钉联合支护方案的设计原理和应用实例。施工实践表明此支护结构具有施工方便迅速、节省造价、路面沉降小的优点。 相似文献
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四川汶川“5.12“大地震对众多公路隧道造成极大破坏,破坏类型有二衬开裂渗水、错断、掉块、垮塌、仰拱隆起及初支变形等,震害的分类及处治、震害隧道施工时应该注意的问题是恢复重建时必须要解决的。以剑青路酒家垭隧道为例,通过介绍震害处治的基本思路和方法。 相似文献
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As data are growing rapidly in data centers,inline cluster deduplication technique has been widely used to improve storage efficiency and data reliability.However,there are some challenges faced by the cluster deduplication system:the decreasing data deduplication rate with the increasing deduplication server nodes,high communication overhead for data routing,and load balance to improve the throughput of the system.In this paper,we propose a well-performed cluster deduplication system called AR-Dedupe.The experimental results of two real datasets demonstrate that AR-Dedupe can achieve a high data deduplication rate with a low communication overhead and keep the system load balancing well at the same time through a new data routing algorithm.In addition,we utilize application-aware mechanism to speed up the index of handprints in the routing server which has a 30%performance improvement. 相似文献
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