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The key elements in the progress of SIGMA KARLSRUHE ENGINEERS design for PROTECTIVE BUILDING
are:
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Expertise Through Experience
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Our knowledge is derived from a range of activities in the field of shelter construction
techniques in which we have always provided successful solutions for protective building
projects. The concepts of these solutions can be transferred directly to other situations or
adapted to suit them.
We have access to specialised knowledge in all relevant protective building disciplines,
which means that we are in a good position to judge the effectiveness of a proposed
solution.
Our experience has shown that this knowledge can best be exploited when it is applied in
the earlier phases of the design process when the very concepts are being
defined.
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Comprehensive Design Process
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We seek to provide the best possible protection for a reasonable outlay. This we achieve by
adopting a design procedure in which all the requirements of a project are given due
consideration relative to their importance in the total picture.
This includes providing, at all stages of the procedure, proof of effective protection capability
against weapon effects such as penetration, dynamic response, heat response and shock response.
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Advanced Engineering Technology
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The results of our activities in research and development manifest themselves in the ready
access to advanced engineering technology, through which we are able to ensure the
effectiveness of protective measures. This is based on careful study of the loadbearing
behaviour of structures by means of both analytical and empirical methods. This makes it
possible for us to provide useful and realistic predictions of the resistance of structures
when subjected to weapon effects so that the degree of protection sought really is achieved.
The physical testing, when carried out, not only provides the ultimate proof of effectiveness
which is close to reality but it is also an effective means of aiding the development of
appropriate analytical design techniques.
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from the Pure...
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This brief report describes an example of SIGMA KARLSRUHE ENGINEERS
approach,
which enabled an appropriate solution to be found for a specific commission.
In order to establish the required degree of protection against an exceptional threat for the
protective buildings involved, it seemed at first necessary to include a high level of steel
reinforcement. However, both the vast quantity of steel needed and the complex nature of
its placing pointed to prohibitively high costs. To overcome this problem, two chief
measures were adopted:
a) The utilisation of the double corrugated liner sheeting as part of the composite shell, and
b) The arrangement of the reinforcement in a special castellated format.
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... to the Applied
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The effectiveness of this solution was substantiated by structural
analysis, aided by physical tests, the results of which provide information about the behaviour of such structures,
enabling the hardening of shelters to be achieved substantially more economically. Physical
tests upon weapon effects such as penetration and explosion, which were carefully
prepared,
managed and evaluated by SIGMA KARLSRUHE ENGINEERS, provided the ultimate proof of effectiveness.
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Advisory Support
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We aim to assist our clients in developing suitable concepts for
protective building and establishing appropriate design criteria for economic passive protection as an effective
component of the defence system as a whole.
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Planning and Design
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We seek to provide effective and economic design solutions, which not only provide
satisfactory protection for personnel and equipment against accident or attack but which
also respond to the prevailing natural and technological environments.
Much importance is placed on the application of such structural techniques, so that the level
of protection can keep pace with changes that occur in the nature of the threat. This enables
our clients to avoid in their defence systems the inflexibility usually associated with passive
protection measures.
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Research and Development
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We are engaged in research and development activities aimed at solving the technological
problems that arise in practice and which cannot otherwise be satisfactorily addressed using
traditional engineering technology. based merely upon experience and precedence. Our aim
is not only to assess the protective potential of given structural concepts but also to evolve
new concepts designed to exploit to the full the mechanical properties of materials and thus
enhance the structural behaviour of buildings designed for protection.
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