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Civil and Environmental Engineering

American University in Cairo

Theses/Dissertations

2002

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Interaction Of Silica Fume And Polypropylene Fibers In High Performance Concrete, May Tarek Massoud Jun 2002

Interaction Of Silica Fume And Polypropylene Fibers In High Performance Concrete, May Tarek Massoud

Archived Theses and Dissertations

The use of mineral admixtures and fibers is becoming essential in the new generation of high performance concrete since they introduce enhancement in mechanical properties as well as several durability aspects. Some of the advantages gained when properly employing high performance concrete are significant improvements in strength, drastically reduced permeability, better resistance to a wide spectrum of chemicals, superior performance in freezing and thawing conditions and enhanced thermal resistance. Although silica fume and polypropylene fibers are increasingly used in high performance concrete, yet, relatively little work has focused on the interaction of both ingredients in such concretes. The main aim …


Small Construction Firms, Samih Wahid Adly Feb 2002

Small Construction Firms, Samih Wahid Adly

Archived Theses and Dissertations

No abstract provided.


Integrated Construction Project Planning, Umar Farouk Dolleh Feb 2002

Integrated Construction Project Planning, Umar Farouk Dolleh

Archived Theses and Dissertations

No abstract provided.


Assessing Bacterial Pollution Of Reclaimed Wastewater For Irrigation Reuse, Sherif Youssef Hegazy Feb 2002

Assessing Bacterial Pollution Of Reclaimed Wastewater For Irrigation Reuse, Sherif Youssef Hegazy

Archived Theses and Dissertations

No abstract provided.


Underwater Concrete, Dina Adel Nakhla Feb 2002

Underwater Concrete, Dina Adel Nakhla

Archived Theses and Dissertations

Underwater structures represent a significant portion of concrete works worldwide. The utilization of various underwater concrete techniques has indeed minimized the use of costly dewatering processes. Such techniques include the use of special· equipment such as trernie concrete and preplaced aggregate technique. The incorporation of antiwashout admixtures has evolved as a method to minimize the washout of cement and fine particles. As for today, there exists relatively limited information regarding different underwater concreting techniques to facilitate feasible and adequate selection of appropriate methods. This work comprises a survey study and an experimental work to evaluate the impact of using the …