טכניון מכון טכנולוגי לישראל
הטכניון מכון טכנולוגי לישראל - בית הספר ללימודי מוסמכים  
M.Sc Thesis
M.Sc StudentTibi Ariel
SubjectFeraocemet Space Structures - Concepts for Application
DepartmentDepartment of Architecture and Town Planning
Supervisors Professor Michael Burt
Mr. Elisha Tatsa (Deceased)


Abstract

Ferrocement shells have been known for more than a hundred years during which their use has been limited to low buildings. In high-rise structures we encounter great static complexity which demands structural efficiency that fully exploits the material of which the structure is made. The concept of shell applications in high-rise structures is based on the fact that much of the material used in structures erected by conventional technologies is not structurally active.

A suitably formed ferrocement shell can serve the functions of partitioning, insulation, sealing and finish. Furthermore, the shell itself can be the structure.

The multiplicity of uses made possible by the qualities of ferrocement can improve efficiency because excess weight which does not benefit the structural system is significantly reduced.

Working with ferrocement shells is a constant search for morphological ideas which will be permissive of thin shell applications in high-rise structures. The over-all morphology of high-rise structures is analyzed as are the sub-systems which constitute them. The leitmotif developed throughout the thesis contends that organizing the materials in space is the very source of the basic qualities of every object whatever its magnitude. Optimal efficiency of the construction will be achieved by the morphology fashioned by the force fields operating on the structure.

The thesis presents morphological ideas concerning envelopes; walling; openings; stair systems; stiffening diaphragms; prefabricated panels; contact with the ground and ferrocement finish. The ideas specified open fields for research, each of which is worthy of special attention.