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5 results on '"Hansen, Eric R."'

2. Manufactured supplementary cementitious materials

Author

Mishulovich, Alex and Hansen, Eric R.

Subjects
Cement -- Research, Portland cement -- Research, Business, Business, international, Construction and materials industries
Abstract

The development of a manufactured supplementary cementitious material for use in blended cements, concretes and alkali-activated hydraulic composites is described.

Published
2000

3. Agglomeration economies and industrial decentralization: the wage-productivity trade-offs

Author

Hansen, Eric R.

Subjects
Sao Paulo, Brazil (City) -- Economic aspects, Industrial locations -- Economic aspects, Industrial concentration -- Analysis, Wages -- Analysis, Industrial productivity -- Analysis, Business, Economics, Government
Abstract

The wage-productivity tradeoffs involved in locating a plant in the state of Sao Paulo, Brazil, were examined. A production function approach was used to to estimate spatial variations in productivity. The findings indicated that the agglomeration economies in the Sao Paulo metropolitan area improved plant productivity, but the firms had to deal with high wage payments and high land costs. Firms could obtain labor cost savings by locating plants in the outer regions of the city. A spontaneous decentralization of industry could occur as a result of market forces.

Published
1990

4. Manufacture of supplementary cementitious materials from cement kiln dust

Author

Mishulovich, Alex and Hansen, Eric R.

Subjects
Cement -- Production management, Cement industry -- Research, Business, Business, international, Construction and materials industries
Abstract

Kiln dust which would normally be discarded as waste from the cement production process can be used with siliceous raw materials to make cement-like products. Melting and quenching techniques were used to assess the latent hydraulic activity for several materials under at experimental temperatures of below 1250 degrees centigrade. The alkali-silica reactivity in concrete is reduced when supplementary cementitious materials are introduced, and when mixed cements are used they are shown to be just as strong as ordinary Portland cement.

Published
1996

5. Industrial location choice in Sao Paulo, Brazil

Author

Hansen, Eric R.

Subjects
Developing countries, Industrial locations -- Models, Industrial sites -- Economic aspects, Economics, Geography, Government, Social sciences
Published
1987

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