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Delasau sinks Sale as tricky pool turns treacherous 

Designing car parks is easy? 

It is easy to think that a multi-storey car park is a straightforward structure with a clearly defined purpose and few complications. Taking the...

Contraction of in-situ concrete toppings - a case study 

The theoretical work described in Part 1(1) was prompted by the conversion of a car park structure into a small shopping mall. This article...

Contraction of in-situ concrete toppings 

Casting an in-situ concrete topping onto a precast concrete substrate or base unit is a common way of forming a homogeneous slab. Many typos of...

Creep, shrinkage and cracking of restrained concrete at early age 7 

Important award-winning research carried out at the University of Illinois at Urbana-Champaign(1) has thrown new light on how concrete behaves in...

Propping and loading of in-situ floors 

The research undertaken during the construction of the seven-storey flat slab building at Cardington, known as the European Concrete Building...

How high should we - and can we - build? 

Structural engineers are sometimes asked to advise on the relative merits of building low-, mediumor high-rise structures. The purpose of this...

Plunge columns 

CONCRETE IN THE GROUND A plunge column is a structural steel (occasionally concrete) section embedded in a freshly poured concrete pile, thus...

Understanding shrinkage and its effects: Part 2 

MOVEMENTS & JONES Part 1 of this extended article was published in CONCRETE, October 2002 (pp.61-63). The author considered the effect of...

Understanding shrinkage and its effects: Part 1 

Introduction Concrete shrinks. Not much, but enough to warrant thinking about in design. Steel doesn't, and the action of concrete shrinking and...