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Split Set® Friction Rock Stabilizers - Rock Bolts for Reliable Ground Support Split Set® friction rock stabilizers are manufactured by International Rollforms, Inc. for underground or above ground applications in mines, tunnels, slopes, or wherever reliable ground support is needed.
DEFINICIÓN DEL ELEMENTO DE ANCLAJE. El elemento de anclaje Split Set, también conocido como perno de fricción, es un elemento de fortificación de fácil instalación que actúa por fricción y ofrece un soporte inmediato. Consiste en un tubo ranurado longitudinalmente, con un extremo cónico para ser insertado en la perforación fácilmente.
Split set friction anchors are available in 33mm, 39mm, 41mm and 46mm diameters in a variety of lengths to suit the application of the mine. Depending on the strength and corrosion requirements, we offer S420MC Supraform as well as 3CR12 stainless steel. The domed bearing washer plates are available in 125 x 125 x 4mm and 150mm x 150mm x 4mm as ...
28 de jun. de 2021 · There is no single builtin operation which will return both the intersection and the difference, so you will always need to call two methods. Intuitively I expected. i = s1.intersection(s2) d = s1.difference(i) return i,d. to be faster than. i = s1.intersection(s2) d = s1.difference(s2) return i,d.
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All genuine Split Set driver tools are made of high-strength heat-treated alloy steel, designed for long life, and precision-made for the proper fit. For jackleg or stoper insertion, a long-nose or short-nose driver tool may be used. The short-nose tool is also used for driving an SS-33 Split Set utility hanger inside an installed SS-33 Split Set
SPECIFICATIONS. Typical 46mm Split Set Stabiliser: Failure strength of the steel is 18t. A pull out resistance of approx 4t per metre of embedment is normal. The bond and performance of the bolt is dependent upon the friction created between the bolt and the rock. A bolt with one metre of embedment can hold at best a rock weighing 4t.
