![]() Since the form is made up of curved surfaces it has a reduced risk of buckling failure due to compression which is commonly observed in-plane structural members. ![]() The curvilinear surfaces often act as the walls as well as the roof. Hyperbolic-Paraboloids are lightweight shell structures which unlike standard structural members derive their stability from the form and not the mass. Axes forming hyperbola and parabola Source- ©Engineering for a change ![]() The forces and loads acting on the shell induce compression in the inner-built portion of the arches while it also causes tension in the internal cables or reinforcements. The cable andĪrch mechanisms interact in two opposite directions. This unique shell structure can be as thin as 50 mm and is structurally stable to cover spans as large as 35m.H/p shells are characterized as anticlastic surfaces, i.e., it has negative Gaussian curvature. The shell structure is doubly ruled with the vertical ribs/ rules are parabolic and the horizontal ribs form the hyperbolic curvature.
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