deformacinių siūlių sujungimo sistema halfen hsd

HALFEN HALFEN HHSSDD Shear Dowel System Shear Dowel System

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Vilniaus Gedimino Technikos Universitetas

Vilnius, 18-19.02.2015

Bohdan Nowak


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OverviewOverview

1. Introduction2. Applications3. Product overview4. Structural calculations5. Competition & market6. Advantages7. Distribution8. Technical literature & contacts9. Summary


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1. Introduction

Application area – movement joints

Transfer of shear forces in order to avoid:

uneven settlement

level differentials due to differences in deformation

avoidance of gaping cracks


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1. Introduction



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1. Introduction



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1. Introduction



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OverviewOverview



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2. Applications


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2. Applications


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2. Applications


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2. Applications


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2. Applications


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OverviewOverview



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Heavy duty shear dowels

HSD-CRET

Shear dowel

HSD-D

Fire protection pad

HSD-F

3. Product overview

Tested up to F120


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HSD-CRETfor longitudinal movement only

HSD-CRET-Vfor longitudinal and lateral

movement

3. Product overview


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HSD-D- .. –FVhot galvanised

HSD-D-..-A4stainless steel A4

3. Product overview


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HSD-Pfor longitudinal movement

plastic

HSD-Sfor longitudinal movement

stainless steel A2

3. Product overview


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HSD-SVfor longitudinal and lateral movement

stainless steel A2

with internal tube to reduce friction

3. Product overview


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Requirements on the joint material Non inflammable

Protection of the dowel; temperature of the dowel < 500°C

If component has a border function→ Whole joint must resist the fire

Solution for punctual protection

HSD-F Fire protection pad

For dowels with longitudinal + longitudinal and transverse movement

3. Product overview



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HSD-F

for dowels with longitudinal movement

for dowels with longitudinal and lateral

movement

Construction detail

max. joint gap:

3. Product overview


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Fire resistance F120 for dowels with longitudinal movement

Fire resistance F90 for dowels with longitudinal- and transverse movement

Certified by the authorized institute

3. Product overview


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Fire protection of complete joint - PROMASEAL

Tests have been carried out with a solution from PROMAT

Fire resistance F90

Certified by authorized institute

3. Product overview


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OverviewOverview



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Loading and dowel arrangement

Method:

Design of feasible dowel layout in the joint

Calculation of shear forces (bearing forces) and moments by applying the structural model of a continuous beam

4. Structural calculations


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Joint layout & determination of internal forces

Method:

Selection of shear dowels from load tables in the catalog

Design and layout of suspension reinforcement

Design of longitudinal reinforcement by applying the structural model of a continuous beam (bending design)



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Failure modes

Steel failure of the dowel

Failure of the steel box

Failure of the concrete compression struts

Concrete edge failure



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Tests – observed failure

Failure due to concrete edge failure in all tests



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Software – HSD-CRET

current version: HSD CRET 2.20

Intuitive handling

14 different connection types

Offsets can be incorporated

Manual adjustment possible

Optimisation options


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OverviewOverview



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5. Competition and market

Manufacturer Designation Illustration Load groups Features

HALFEN-DEHA

HSD-CRET 5 (Ø22-40) Shear load connector

Jordahl / Ancon

JDSD / JSD 8 (Ø16-65) Double shear dowel

Schöck SLD 7 (Ø22-42) -

Frank Eurodorn (egcodorn)

8 (Ø16-50) -

All systems have building control approval

Heavy duty shear dowels


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5. Competition and market

Manufacturer Designation Diameter Special feature

HAFEN-DEHA HSD-D 20,22,25,30 -

Jordahl /HBAU / Ancon

HED 20,22,25,27,30 originally same design as HSD-D

Schöck ESD 20,22,25,30 -

Frank TITAN 20,22,25,30,40 Dillatec

Single shear dowels


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OverviewOverview



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8. Technical literature and contacts

Technicalinformation

HSD EC 10-EGerman

Installationinstructions HSD-CRET


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Questions?

deformacinių siūlių sujungimo sistema halfen hsd

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