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Mondrian's Boogie Woogie

Abstract

This essay looks at Piet Mondrian's Broadway Boogie Woogie (1942-43), one of the most iconic paintings in the collection of the Museum of Modern Art since it was acquired in 1943, offering a counterpoint to persistent readings that fundamentally position the work within a narrative of the European avant-garde. In a story that is both familiar and new, this essay highlights the structural and political insights provided by Mondrian's engagement with boogie-woogie music in America, through both recordings and visits to the nightclub Cafe Society, positioning the painting at the confluence of two streams of migration: one that brought Mondrian to New York as a war refugee and another that brought boogie-woogie sound northward with the Great Migration. Tracing these parallel histories, and how boogie-woogie signified in specific historical and political ways, deepens our understanding of how it modeled a space of freedom for Mondrian and shaped the vision realized in his two final paintings.

article Article

date_range 2023

language English

link Link of the paper

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Dickerman Leah

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Effect of corrosion on flexural strength of reinforced concrete beams with polypropylene fibers

Abstract

An experimental study was performed to investigate the effects of polypropylene fibers on uncorroded and corroded reinforced concrete beams. Three different volume fractions of polypropylene fibers having 0, 0.5, and 1.5%, were tested at four corrosion levels of 0% and approximately 5, 7, and 9%. A full scale of an accelerated corrosion pool was used for the accelerated corrosion process. Reinforced concrete beams were used for an under monotonic bending test. The contribution of the actual corrosion levels of transverse and longitudinal reinforcement bars to the total corrosion levels were obtained from reinforcement bars fully extracted from concrete. Flexural strength, bond-slip, and moment-curvature relationships were examined for uncorroded and corroded reinforced concrete beams. A new model was developed to predict the flexural strength of corroded reinforced concrete beams. The proposed model for predicting the residual flexural strength of corroded beams was compared with test data published in previous studies. Furthermore, a novel model is presented for improved predictions between the actual and theoretically estimated corrosion mass losses, based on Faraday’s law, with the aid of fully extracted reinforcement bars. The model used to predict the flexural strength of corroded reinforced concrete beams with large sizes demonstrated good agreement with current and previously published literature data. In the case of corroded beams comprising differing amounts of polypropylene fibers, the performance of the corroded beams was limited by a fiber volume fraction of 1.5% at low corrosion levels.

article Article

date_range 2018

language English

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