997 resultados para Schutz, Alfred, 1889-1959


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This is the 1889 Biennial report of the Commissioners of the Soldiers' Home at Marshalltown, Iowa to the General Assembly of Iowa. It provides information on the services that the home provides to veterans and how the facility is maintained. It also contains a treasurer's report.

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This paper presents the results of the static and dynamic testing of a three-span continuous I-beam highway bridge. Live load stress frequency curves for selected points are shown, and the static and dynamic load distribution to the longitudinal composite beam members are given. The bridge has four traffic lanes with a roadway width of 48 ft. Six longitudinal continuous WF beams act compositely with the reinforced concrete slab to carry the live load. The beams have partial length cover plates at the piers. Previous research has indicated that beams with partial length cover plates have a very low fatigue strength. It was found in this research that the magnitude of the stresses due to actual highway loads were very much smaller than those computed from specification loading. Also, the larger stresses which were measured occurred a relatively small number of times. These data indicate that some requirements for reduced allowable stresses at the ends of cover plates are too conservative. The load distribution to the longitudinal beams was determined for static and moving loads and includes the effect of impact on the distribution. The effective composite section was found at various locations to evaluate the load distribution data. The composite action was in negative as well as positive moment regions. The load distribution data indicate that the lateral distribution of live load is consistent with the specifications, but that there is longitudinal distribution, and therefore the specifications are too conservative.

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Collection : Petite bibliothèque littéraire

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A transcript of the Condition of the State of Iowa speech by Governor Loveless delivered at the State Capitol.

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This is the Inaugural Address of Governor to the General Assembly.