Structural framing

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NISA Metal Building are tailor made to suit your exact requirements . We offer virtually any possible Structural framing system for versatility. Broadly, the structural framing systems can be sub divided into Primary and Secondary framing systems. The Primary framing systems consists of the Plane frames formed out of solid tapered / straight web built-up steel plate I-Sections spliced (bolted connections) at suitable locations enabling easy transportation and design economy. Given below are the most commonly adopted Primary framing systems.

PRIMARY FRAMING

Following are some of the very commonly used and economically planned Primary Structural framing configurations. Many more framing conditions and combinations can be offered to suit your exact requirements of larger clear spans , curved roof , heavy crane mounted structural system for up to 100 M.T. lifting capacity E.O.T. cranes and high-rise multi-storey floor systems as well. NISA Metal Buildings are the most versatile range of Pre-Engineered buildings available to you.

SECONDARY FRAMING

Structural members are the Purlins , Girts , Eave Struts and diagonal /frame /angle bracings. Purlins support the roofing while Girts supports the side wall cladding . Purlins and Girts also helps in resisting part of longitudinal forces generated due to wind or earthquake loads and they provide lateral bracing to the compression flanges of the main frame members thereby improving its strength.

Z- COLD FORMED
PURLIN

C- COLD FORMED
PURLIN

ISA - HOT ROLLED
PURLIN

C - COLD FORMED
EAVE STRUT