ipha brochure
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Prestressed Hollowcore
The Floor for the Future.
AirrailCenterinFrankfurt-Germany
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History of IPHA
IPHA brings together over forty years of experience in the design, development,
production, sales and marketing of Prestressed Hollowcore Flooring.
The Association was started as ISPA (International Spiroll Producers Association)
in 1969 by seven companies who were operating Spiroll machines in seven
different countries and saw the need to share experience and knowledge in
design, development and production of hollowcore floors.
In 1986 the name was changed to IECA (International Extruded Concrete
Association), allowing manufacturers using other types of extrusion processes to
become members.
In 1993 the Association was extended to include manufacturers using slip form
processes. The scope was extended to fields of sales and marketing of hollowcore
floors. Specialist Suppliers to the Industry became eligible to be Associate
Members.
IPHA thus came into being with an expanded remit to cover all aspects of the
hollowcore flooring industry and has grown in size and strength ever since.
IPHA A Worldwide Association
IPHA is the International Prestressed Hollowcore Association. It is the foremost
organisation dedicated to all aspects of design, development, production, sales
and marketing of Prestressed Hollowcore Flooring.
There are two classes of membership, Full Members and Associate Members.
Companies throughout the world who use extrusion or slip form processes for the
production of prestressed hollowcore products are eligible to join the Associa-
tion as Full Members.
Associate Membership is open to specialist suppliers to the prestressed hollow-
core industry, such as equipment manufacturers and suppliers, strand and wire
producers and specialist software developers.
IPHA acts in co-operation with the worlds principal construction organisations.
The current membership
comprises members from
the following countries:
Australia
Belgium
CanadaCzech Republic
Denmark
England
Estonia
Finland
France
Germany
Italy
Jordan
Latvia
Lithuania
Netherlands
Northern Ireland
Norway
Poland
Republic of IrelandRussia
Scotland
South Africa
Spain
Sweden
USA
More info
www.hollowcore.org
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IPHA A Dynamic Force in thePrestressed Hollowcore Industry
The business world has been revolutionised almost beyond recognition in the
past decade. The face and pace of business have changed greatly due to the
developments in information technology. This has altered the way in which we
interact with each other in everyday life.
In challenging market conditions, businesses must constantly review and refresh
their methods and practices. Leaders and managers must do today those things
that will pave the way for business success tomorrow. With technology changing
rapidly, the world is now an open marketplace. Businesses must work to make
their products and services appealing to customers around the globe.
In this demanding marketplace IPHA leads the way for the Prestressed
Hollowcore Flooring Industry. Members of IPHA bring industry experience and
expertise to help further develop the Association through increasing knowledge
in the design, development, production, sales, marketing and product standards.
As a Centre of Excellence, IPHA aims to provide direction for the Prestressed
Hollowcore Industry, to embrace and promote innovations and continue
on-going research to keep Prestressed Hollowcore Technology a dynamic force
in the construction industry.
The influence of advancing technology in the Prestressed Hollowcore Industry is
evident in fully integrated, automatic systems from design and manufacture
through to stockyard management, delivery and installation. IPHA Members
continue to embrace new technology, to increase quality and service levels and
to keep the industry at the forefront of construction.
IPHA uses its best efforts to ensure that the information presented in this brochure is reliable and correct. However, IPHA does not assume any liability for damage or loss directly or
indirectly caused in connection with using this brochure. Advice on the design, performance and suitability for a hollowcore floor should be sought from the actual manufacturer.
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The Annual IPHA Conference
One of the most important events of the year is the Annual Conference; normally
held over three days, hosted by a Member or Associate Member company and
held in a different country each year.
A keynote speaker, such as a Government Minister, Economist, Architect or
Consulting Engineer addresses the Conference on a theme, relevant to the
economic, commercial, technical and commercial conditions of the time.
The keynote speech is usually followed by a lively interactive forum under the
guidance of a communications professional. The conclusions of such a debate
are subsequently summarised and reported to the Membership.
Presentations are made on important technical matters and latest developments
in production techniques, design, development, sales & marketing of Prestressed
Hollowcore Floors. Other important issues like health, safety and the environ-
ment are also included in a comprehensive and wide ranging programme.
The programme usually includes a visit to a hollowcore production facility, local
to the Conference venue, allowing new developments and variations in practice
to be seen and discussed between Members.
The event is designed to be instructive and informative, but also has an enjoyable
social programme for delegates and their partners in a generally relaxed atmos-
phere, which allows ample time for informal discussions outside the arranged
programme events.
Associate Members are afforded the opportunity to have a small display stand,
where they can present their products and services to the delegates.
The Conference provides the ideal forum for anyone in the hollowcore industry to
discuss and share knowledge and experience on a wide variety of related subject
matter.
In addition to the Annual Conference, technical seminars are held regularly.
Engineers and technicians from member companies are invited to take part in a
programme specifically tailored to topical technical matters and developments.
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Objectives of IPHA
To promote the sale and application of Prestressed Hollowcore Flooring as a
worldwide construction product.
To improve the art of production of concrete slip form and extrusion processes.
To engage in educational, scientific, technical, production, marketing, installation and
scientific research for the benefit of the Members of the Association.
To provide a forum for networking and for the exchange of experience between all
Members of the Association.
To promote the attainment and maintenance of appropriate quality and safety
standards, in accordance with recognised international and national codes of practice.
To provide insights on current and future trends in design, development, production,
sales, marketing and product standards.
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How Hollowcore Benefitsthe User and the Specifierof Prestressed Hollowcore
Prestressed Hollowcore Floors are highly engineered structural products
manufactured under factory controlled conditions.
The top-15 advantages of the product are:
Reduced self-weight
Provides versatility for designers
Wide range of applications suitable for the residential, healthcare,
education, industrial and commercial markets
Long spans without intermediate supports
High load capacity
Efficient span/depth-ratio leading to reduced storey heights
Provision of a safe working platform
Excellent fire resistance
Excellent acoustic insulation and thermal properties
Green product reduced use of raw material
Economical solution
Reduction in number of site personnel
High speed of erection Easily modified to enable heating and cooling of a building even without
burning fossil fuels
Easily modified to be highly efficient in distributing fresh and warm air,
electrical wiring, plumbing and sprinkler services through a building
10
Loading(KN/m2)
Clear Span (m)
Unit Depth (mm)
150
200
240
270
320
400500
Hollowcore Load/Span
9
8
7
6
5
4
3
2
1
4 5 6 7 8 9 10 1 1 12 13 14 1 5 16 17 18 19 20 21 22
The graph is intended to give indicative information only.
Longer spans may be possible with the addition of a structural topping.
The manufacturer should be consulted for detailed information regarding their products.
The use of high strength materials and
optimum section profile is the key to an
extremely efficient structural
performance. The graph gives an
indication of the spans available for
different slab depths and loadings.
How IPHA Benefits
the User and the Specifier
of Prestressed Hollowcore
Prestressed Hollowcore
Floor-users and -specifiers
can be assured that by
selecting an IPHA-memberproducer, they will be
supplied by a manufacturer
committed to high standards
in design and production.
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