Examining the alternatives

Article Abstract:

Field research indicates that the alternative earthen final cover with adequate storage capacity is effective in containing percolation of moisture to landfills to low levels at a rate of less than 1.5 millimeter per year in arid and semiarid areas. However, in humid and subhumid condtions moisture percolation rates are higher than expected.

Usage, Measurement, Sanitary landfills, Fills (Earthwork), Ground cover plants, Soil moisture, Percolation, Percolation (Hydrology)

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Examining the Capitol dome

Article Abstract:

A structural engineering study of the Capitol dome of the United States Capitol reveals that the dome is structurally sound and can withstand environmental impacts of any reasonable nature. The study was carried out by LZA Technology of the Thornton-Tomasetti Group of New York.

Contracts, Monuments, Maintenance and repair, Domes, Domes (Structural elements), United States Capitol, Thornton-Tomasetti Engineers

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Concrete delivers

Article Abstract:

This article describes designing and construction of a slender and the tallest all-concrete 62-story office tower in Shanghai, China. The structure incorporates an innovative semirigid outrigger system, which imparts stability to the tower.

China, Economic aspects, Design and construction, Concrete construction, Towers, Towers (Structures)

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