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首页> 外文期刊>Journal of Hydraulic Engineering >Hydraulic Design of a Longitudinal Culvert for Lock Filling and Emptying Systems
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Hydraulic Design of a Longitudinal Culvert for Lock Filling and Emptying Systems

机译：锁定充填和排空系统的纵向涵洞的液压设计

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摘要

The U.S. Army Corps of Engineers is planning navigation improvements for many projects to meet predicted increases in tow traffic. Some of these improvements include the addition or replacement of the navigation lock. Innovative design and construction techniques are being investigated to try and reduce construction costs as well as operation and maintenance costs. The Corps identified that a savings in lock construction could be achieved if the conventional concrete gravity lock walls with culverts inside them could be replaced with thin walls and longitudinal culverts located inside the chamber. This culvert design was designated the In-Chamber Longitudinal Culvert System (ILCS). An extensive research effort led to the development of the ILCS design. This paper provides a brief summary of the research results and the accompanying design guidance developed for low to medium lift ILCS locks. The guidance includes culvert location; port size, location, and spacing; port extensions; culvert-roof overhang; and wall baffles. Lock chamber performance characteristics, based on acceptable filling and emptying operations determined using a laboratory model, are also presented. The ILCS is a feasible design based on the hydraulic performance determined from the investigation.
机译：美国陆军工程兵团正在计划对许多项目进行导航改进，以应付预计的拖车运输量增长。其中一些改进包括添加或更换了导航锁。正在研究创新的设计和施工技术，以尝试降低施工成本以及运营和维护成本。兵团发现，如果将内部有涵洞的传统混凝土重力锁壁替换为位于室内的薄壁和纵向涵洞，则可以节省锁具的成本。该涵洞设计被指定为室内纵向涵洞系统（ILCS）。广泛的研究工作导致了ILCS设计的发展。本文提供了研究结果的简要摘要以及为中低升力ILCS锁开发的随附设计指南。该指南包括涵洞位置；端口尺寸，位置和间距；端口扩展；涵洞顶悬;和墙壁挡板。还介绍了基于使用实验室模型确定的可接受的填充和排空操作的锁定室性能特征。根据研究确定的水力性能，ILCS是可行的设计。

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