Issue 02/2014

Content

NEWS | NACHRICHTEN

Besser/Automacad

Marketing agreement established

Kevin Curtis, Besser Company President and CEO, and Louis Hébert, President/Owner of Automacad Inc. announced that the two companies have established...

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PRECAST ELEMENT PRODUCTION | FERTIGTEILHERSTELLUNG

SERVICE | SERVICE

Probst

Angular element snugly in bed

Who doesn’t know the problem: the elements are suspended lopsided from transport loops and do not sit snugly in the concrete bed after being moved....

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Patents | Patente

PANEL 1 | PODIUM 1

Carbon Concrete Composite C3

Transition into a new age?

With the so-called “High-Tech Strategy”, the Federal Government aims at assisting Germany to assume a leading role in resolving global challenges. As...

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Origami-based folded structures and prestressed sandwich shell beams

Concrete light –

As a result of their spatial load bearing behaviour, shell structures provide high load-carrying capacity whilst being very slender and lightweight,...

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BCT-Technologie als alternatives Binderkonzept

30 % weniger C02

Ternesite, in cement technology most commonly known as sulfo-spurrite, has so far been assumed to be almost inert with respect to its reactivity in...

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PANEL 2 | PODIUM 2

Why do black, colored and gray concrete block surfaces appear lighter in the course of time?

Fading concrete block surfaces –

Bonding stability of pigments in hardened cement paste The needle-shaped structures existing in the concrete block are ideal bonding spots for metal...

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PANEL 3 | PODIUM 3

Examples of large dimensions in precast construction

Higher, heavier, longer –

Precast reinforced-concrete components are especially well-suited for erection of wide-spanning, unsupported structures that lead to flexible uses of...

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PANEL 4 | PODIUM 4

How to pass them on to sub-contractors

Handling liquidated damages –

If the principal asserts a claim against the general contractor on the grounds of delayed completion of the construction work due to a culpable breach...

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PANEL 5 | PODIUM 5

Improving concrete durability

Silage silos –

Assessments of the corrosion resistance of building materials are currently focusing on such fields of application that are associated with biogenic...

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PLENUM 2 | PLENUM 2

Fracking, shale gas, peak oil

Is a new crude oil age arriving?

While a dramatic shortage of oil and gas was predicted some years ago, which gave reason for an enormous increase in energy prices; this is out of...

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An interdisciplinary students‘ Award

„Concrete Student Trophy“ –

Interdisciplinary competitions are an excellent option for an intensive preoccupation of selected target groups with an assignment, which in this case...

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Fewer building defects caused by construction chemistry

Sustainable building in the 21st century –

Technical infrastructure has played a key role in architecture as far back as in ancient times, as is evidenced by impressive examples from the time...

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PANEL 6 | PODIUM 6

Punching shear tests on precast concrete slabs lead to European Technical Approval (ETA)

With projecting loops to peak load –

Flat slabs made as precast reinforced-concrete slabs with lattice girders and an effective in-situ concrete topping prove to be cost-efficient....

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PANEL 7 | PODIUM 7

PANEL 8 | PODIUM 8

The new standard for façades DIN 18516 and the new ZDB Code of Practice

Opportunities for cast stone –

The revision of the standard relating to cladding for external walls has been concluded in the parts DIN 18516-1 (general principles), DIN 18516-3...

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PANEL 9 | PODIUM 9

Is maintenance part of the selected concept?

Design brief for parking facilities

As is the case for any building or structure, the design, construction and operation of a parking facility must respond to the specifications and...

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PANEL 10 | PODIUM 10

Relevant combinations of actions for the design of reinforced-concrete members in conventional buildings

Simplifying design –

Introduction As a result of the introduction of the partial safety concept, the safety factors to be considered in the ultimate limit state design...

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New design tools for practice

Punching shear –

While DIN EN 1992-1-1 and the national annex of Germany treat punching shear design for in-situ concrete slabs and centrically loaded footings in...

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Checklist for effective design by classification

Waterproof concrete basements –

What does a waterproof concrete structure achieve? Building underground is always a big challenge to both designers and construction contractors. For...

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PANEL 11 | PODIUM 11

Self-cleaning by soft liners

Applied bionics –

The inside surfaces of pipes have a major influence on the flow pattern in pipelines, which is why they should be as smooth as possible to keep losses...

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PANEL 12 | PODIUM 12

FOREWORD | VORWORTE