Contribution to Theme A of the Benchmark Workshop: Effect of Concrete Swelling on the Equilibrium and Displacements of an Arch Dam

The Kariba dam is undergoing concrete expansion as a result of an alkali-aggregate reaction. The model adopted to simulate the process is explained in the paper; it is based on the model first proposed by Ulm et al, as later modified by Saouma and Perotti. It has been implemented in the commercial finite element code Abaqus and applied to solve the benchmark problem. The parameters of the model were calibrated using the data recorded up to 1995. The calibrated model was then used for predicting the evolution of the dam up to the present date. Apart from this prediction the paper offers a number of conclusions, such as the fact that the stress level appears to have a major influence on the expansion process; and it presents some suggestions to improve the formulation of the benchmark, such as providing temperature data and widening the locations and conditions of the data employed in the calibration

Theme on metaphysics, undated

This theme frequently refers to John Locke.

A Theme, being the Employment of some Leisure time Nov'r 14 1759 pr Jeremiah Belknap, 1759 November 14

Handwritten composition on two attached notebook pages titled "The Generous man is a blessing to all mankind" composed by Jeremy Belknap and organized as paragraphs labeled: "Proposition," "Reason," Similitude," "Example," "Testimony," and "Conclusion."

Non omnia possumus omnes: [student theme], 1795 December 28

A somewhat playful manuscript poem describing a weary student, Tom Delve, who throws off his "tiresome books" to "exchange my hopes of fame for ease" because the world of art, unlike science, is too broad to ever master.