FERBOX® REVERSE BENDING CONNECTOR & STAINLESS STEEL REINFORCEMENT
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FERBOX® REBEND STAINLESS STEEL concrete components Sealing ■ Thermal insulation Formwork ■ Sound insulation ■ Reinforcement Connection Accessories

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CONTENT 04  FERBOX® Rebend connections 08  FERBOX® standard elements and applications For perfect concrete surfaces Single-row attachment Double-row attachment Double-row attachment (shear key in the transverse direction) Double-row attachment (shear key in the longitudinal direction) Double-row attachment for connecting prefabricated walls Double-row attachment 16  Design values in accordance with the type test 26  FERBOX® special types and applications 34  Stainless steel reinforcement Order form For secure retention during construction Double-row attachment (shear key in the longitudinal...

FERBOX® rebend connections APPLICATION AREA The FERBOX® rebend connection for simply and securely connecting reinforced concrete components of various designs and/or concreted sections. A wide range of standard and special types are available for various applications. The consistent quality standard of FERBOX® is ensured through constant in-house and external monitoring. ▪▪ Quick and cost-effective to install ▪▪ Type test in accordance with DIN EN 1992-1-1 and the DBV bulletin (January 2011) ▪▪ Many different versions ▪▪ Flashing box with smooth or toothed surface profile ▪▪ Dimensionally...

TECHNICAL INFORMATION GENERAL INSTALLATION INSTRUCTIONS ▪▪ FERBOX® standard rebend connections are type-tested and meet all requirements of DIN EN 1992-1-1 ▪▪ All FERBOX® rebend connections are manufactured in accordance with the DBV bulletin "Reverse bending of reinforcing steel and requirements for flashing boxes", and therefore do not require technical approval ▪▪ Standard reinforcement rods dia. 8/10/12 B500B ▪▪ Special reinforcement rods dia. 6/14 B500B ▪▪ The required minimum concrete cover for the remaining flashing box is ensured by the short underlying side walls ▪▪ Plastic cover...

ANCHORAGE AND JOINTS IN ACCORDANCE WITH DIN EN 1992-1-1/DIN EN 1992-1-1 NA LAP LENGTH AND ANCHORAGE LENGTH In accordance with DIN EN 1992-1-1 and the DBV bulletin, the reinforcement may only be utilised up to 80% for rebend connections in the ULS. Due to the 20% reduction in steel stress, the anchorage length can also be reduced by 20%. BASE LENGTH OF THE ANCHORAGE lb,rqd ds 4 d s σsd fbd Base length of the anchorage lb,rqd [mm] σsd = 348 N/mm² Rod diameter ds [mm] Concrete strength Rod diameter Steel stress, reduced by 20% in accordance with DBV bulletin → σsd ≤ 500/1.15 · 0.8 = 348 N/mm²...

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STANDARD ELEMENTS AND APPLICATION In addition to a range of single-row and double-row standard types with a length of 1.25 m, designs with custom stirrup shapes and dimensions and custom element lengths are available. See page 26. Single-row attachment e.g of concrete walls ≥ 80 mm to a concrete wall or concrete column Double-row attachment e.g. of vertical or horizontal concrete components Double-row attachment with horizontal teeth e.g. of horizontal concrete components Double-row attachment e.g. for connecting fully prefabricated walls FERBOX® TYPE D Double-row attachment e.g. of...

SINGLE-ROW ATTACHMENT TECHNICAL DATA Joint category: Smooth Reinforcement rods made from B500B Bending roller diameter dBR = 6 ds d Construction and dimensioning in accordance with e the DBV bulletin* ▪▪ Length: 1.25 m ▪▪ Deviating dimensions as special type S5 (see page 27) 5m h Anchorage length lü/dia. [mm] Distance between stirrups e [mm] DBV bulletin "Reverse bending of reinforcing steel and requirements for flashing boxes", January 2011 Assuming a concrete coverage of c v 30

DOUBLE-ROW ATTACHMENT TECHNICAL DATA Joint category: Smooth Reinforcement rods made from B500B d Bending roller diameter dBR = 6 ds e Construction and dimensioning in accordance with the DBV bulletin* ▪▪ Length: 1.25 m 1. 25 m ▪▪ Deviating dimensions as special type A0 (see page 26) Anchorage length lü/dia. [mm] Distance between stirrups e [mm] DBV bulletin "Reverse bending of reinforcing steel and requirements for flashing boxes", January 2011 Assuming a concrete coverage of c v 30

FERBOX® TYPE BQ DOUBLE-ROW ATTACHMENT Joint with horizontal teeth in accordance with EC2 Reinforcement rods made from B500B Bending roller diameter dBR = 6 ds Construction and dimensioning in accordance with d the DBV bulletin* ▪▪ Length: 1.25 m ▪▪ Deviating dimensions as special type A0-Q (see page 26) m Anchorage length lü/dia. [mm] Distance between stirrups e [mm] DBV bulletin "Reverse bending of reinforcing steel and requirements for flashing boxes", January 2011 Assuming a concrete coverage of c v 30