HALFEN HBT REBEND CONNECTION ! N EW • quality marked by RAL institute • type tested to EUROCODE 2 RAL-GZ 658/2

HA L F E N H BT RE BE ND CO NNE CTIO N System Description HBT – solution for reinforcement starter bars Product advantages HALFEN HBT Rebend connections are type tested. They comply with the requirements stipulated by the German Concrete Association (DBV, Deutscher Beton Verein) in its publication on rebending reinforcement bars and recess cases from January 2011. The over-lap lengths are calculated according to Eurocode 2. An approval certificate is therefore not required for the rebend connection. • case and cover are made of pre-galvanized steel to prevent corrosion • no plastic components...

HALFEN HBT REBEND CONNECTION Application examples/Type overview Standard element single row: HBT 55 and 85 Standard element double row: HBT 120 and 150 Standard element double row: HBT 190 and 220 Minimal element lengths for HBT Standard short element for single or double row, L=800mm Product Range: Profile variants, stirrup types Maximal over-lap length lu,max Standard element HBT 80 as precast connection (structural connection) 12 Adapting the HBT to curved formwork, 'HBT-Strip' securing strip Static values, notes on calculations 14 Applications according to 'Rebending reinforcement' guidelines...

HA L F E N H BT RE BE ND CO NNE CTIO N Application examples The RAL Quality Mark guarantees compliance with the technical product requirements and the related services regarding: • specification, quality management, logistics, competent technical advice, high-quality technical documentation and software, fulfilment of the guaranteed benefits and guaranteeing the neutrality of tender documents Biannual monitoring provided by DNV GL guarantees that the recommended requirements of the quality control association for anchor and reinforcement technology (Gütegemeinschaft Verankerungs und Bewehrungstechnik...

Standard type Mixed type Wall connection to concrete ceiling Stirrup type 5 Vertical section Connection of thick slabs or stair-landings to concrete walls, 2 × Stirrup type 2 Vertical section Corbel connection to concrete wall Stirrup type 7 Vertical section Connection of a thick concrete wall with 2 HBT elements, Stirrup type 1, 2, 3 Horizontal section Stairs flight and landing slab connection to a concrete wall Stirrup type 5 Connection to a concrete wall with Stirrup type 5 Horizontal section

HA L F E N H BT RE BE ND CO NNE CTIO N Standard Elements, Single-row • material: Steel rebar B500B, B500B NR • bending roll diameter in bend location dBR = 6 × Y a HBT Type 1 — System layout HBT Type 1 — Standard element with element length 1250 mm item profile case dimensions height with height cover H2 H1 [mm] [mm] dimension of starter bars * Other sizes are also available Order example: HBT 85 - 10/15 - 1 - 1250 element length L [mm] stirrup type (see page10) rod diameter [mm] / rod spacing [cm] prole name Notes: • other HBT 120 element lengths on request (compare tables on page 8 and page...

HA L F E N H BT RE BE ND CO NNE CTIO N Standard Elements, Double-row HBT 120 and HBT 150 Double-row connection, standard rebar • material: Steel rebar B500B, B500B NR • bending roll diameter in bend location dBR = 6 × second pour component 2 HBT Type 5 — Stirrup position element length L stirrup spacings [cm] no. of stirrups end distance a [cm] HBT Type 5 — Standard element with element length 1250 mm (table continues on page 8) item profile dimensions of starter bars lü* [mm] case dimensions height with height cover H2 H1 [mm] [mm] * Other sizes are also available Notes: • other element lengths...

HA L F E N H BT RE BE ND CO NNE CTIO N Standard Elements, Double Row ; Minimal Element Lengths for HBT HBT Type 5 — Standard element with element length 1250 mm (table continued from page 7) item name rod / spacing s profile [mm/cm] dimension of starter bars lü* [mm] case dimensions height with height cover H2 H1 [mm] [mm] * Other sizes are also available. Please see notes on page 7. Order example: HBT 220 - 10/15 - 5 - 1250 element length L [mm] stirrup type ( page 10) rod diameter [mm] / rod spacing s [cm] prole name Minimal element lengths for rebend connection HBT, position of reinforcement...

HA L F E N H BT RE BE ND CO NNE CTIO N Standard Elements as Shor t Element, L = 800 mm Stirrup position, short elements b HBT Type 1 and 5 — stirrup position element length L system drawing see page 6 system drawing see page 7 Short element, element length 800 mm item name rod / spacing s profile [mm/cm] dimension of starter bars lü [mm] case dimensions height with height cover H2 H1 [mm] [mm]

Single- and double-row layouts 21 mm s L a = End distance s = Rebar spacing End distance Rebar spacing (outer) Stirrup width Casing width see standard size L = Element length B = Casing width, see standard size Stirrup types Bügeltypen Type 1 It may be possible to use HALFEN HBS-05 or a HALFEN HLB Loop Box® if a connection using HBT is not viable. Product information can be found at www.halfen.com. For technical support contact HALFEN GmbH, Engineering Support, reinforcement technology. Addresses can be found at the back of this catalogue.

HA L F E N H BT RE BE ND CO NNE CTIO N Product Range: Maximum Possible Over-lap Lengths lü,max lü,max [mm] lü,max [mm] for stirrup type (see page10) item name item name lü,max [mm] for stirrup type (see page10) * larger lü available on request Note: Maximal over-lap only applies to element length 1250 mm. Maximum over-lap for other element lengths are supplied on request. Order example: HBT 85 - 10/10 - 2 - 1250, h = 120, lü = 430, b = 95 rebar dimensions in [mm] page 10 element length L [mm] stirrup type ( page 10) rod diameter [mm] / rod spacing s [cm] prole name

HA L F E N H BT RE BE ND CO NNE CTIO N Standard Element as Precast Connection (Structural Connection) HBT 80 as precast connection Type 6 Double-row connection, standard stirrup a HBT 80 Type 6 — System layout element length L HBT 80 Type 6 — Precast connection with element length 1250 mm item name case dimensions height with cover H2 [mm] dimension of starter bars * Other dimensions ars also available Note: • structural connection • other rebar types and element length on request • with D = 12 cm the casing has a concrete cover of 1.7 cm on both sides ü ≥ 83 mm Detail; connection between two...