Chicago : Engineering and Contracting Pub. Co. · leaf 497
of the gates, oteven under possible conditions bring sucFpressure on the downsteam side as would ex-pose the operating apparatus to reversestresses. Further, the rise and fall of tideespecially at the lock leading to the Pacificmight occasion trouble at the lower gates ilcombined with carelessness… … Fig. 1—View of Toro Point Breakwater From the Sea; One Mile of Trestle Completed. tinued in charge of the design of the locks,dams, regulating works and accessories. Witha view of ascertaining the friction coefficientand leakage under working conditions, aseries of tests of the rising stem or…
Buildings
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