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Title: Emergency gap closures
Authors: Coastal and Hydraulics Laboratory (U.S.)
Critical Infrastructure Protection and Resilience Program (U.S.)
Padula, Joseph A., 1955-
Abraham, David D.
Haskins, Kevin L.
Keywords: Emergency closure
Critical Infrastructure Protection and Resilience Program (U.S.)
Hydraulic structures
Lock gate
Loss of pool
Spillway gate
Uncontrolled flow
Publisher: Geotechnical and Structures Laboratory (U.S.)
Engineer Research and Development Center (U.S.)
Series/Report no.: ERDC/GSL TR ; 10-44.
Description: Technical Report
Abstract: Lock gates and spillway gates are vulnerable features of navigation, flood control, and water resource projects. These structures are susceptible to damage from accidents; overloads due to natural events, lack of maintenance, or operational errors; and terrorist attack. Damage to lock or spillway gates can result in uncontrolled drawdown of pool, with possible severe impacts both upstream and downstream of the structure. Emergency gap closure systems are needed to rapidly stop flow and maintain pool and to accommodate early initiation of repairs. The literature was reviewed to identify the types of closure structures in existence and to assess their feasibility for use as emergency closures. In addition, some innovative concepts were developed, at least in preliminary form, and are presented herein.
Rights: Approved for public release; distribution is unlimited.
Appears in Collections:Technical Report

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