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The Strength of Aluminum
Dunn argues timber offers more architectural design flexibility, which creates more design options without sacrificing structural requirements. The Metropol Parasol in Seville, Spain, a 5, square metre, four-storey plaza cover, is an example of how timber has been used creatively recently.
A storey metre apartment building in Bergen designed to comply with the Passivhaus sustainability standard. When completed it will be the tallest modern timber apartment structure in the world.
Canada has three tall timber buildings in the pipeline, a storey Quebec City project, using cross-laminated timber and glulam, a storey building in Ottawa and a project in Vancouver targeting 18 storeys. Not to be outdone, the highest timber building planned so far is a storey office building in Sweden. Structural concrete today allows engineers and architects to design and achieve striking edifices that are as robust as they can be aesthetic. Advances have also led to the more widespread use of precast concrete, which offers great benefits of cost and speed of construction.
The Strength of Aluminum | The Aluminum Association
Part of its attraction, she says, is also its versatility. However, structural concrete is not only used in conjunction with other materials but also incorporates them, for example, with fibre-reinforced concrete. It also has inherent ecological benefits since it is made from the most commonly available minerals sand and limestoneand has excellent durability, thermal mass and minimal waste.
The Centro Ovale concrete shell Chiasso, Switzerlandillustrates the versatility of the material, while the Bella Sky Hotel Copenhagen, Denmark is an example of the innovative use of precast concrete. A recent trend is the use of white concrete, which lends a pristine quality to edifices.
The Chemistry of Strength: By adding elements like silicon, magnesium and lithium to pure aluminum and through special processing techniques, aluminum can be engineered to be as strong if not stronger than some steel. Everyday Strength Aluminum is about one-third the weight of steel, meaning parts can be made thicker and stronger while still reducing weight in vehicles and other applications.
Depending on the alloy and processing technique used, pound for pound aluminum can be forged to be just as strong if not stronger than some steel. Aluminum is already the second-most-used material by automakers, so your car or truck likely has a lot of aluminum in it right now, protecting you from hazards on the road. Engineers know how to work with aluminum to make parts that perform as well or better than steel parts — all while reducing vehicle weight.
Aluminum is highly effective at absorbing crash energy, protecting passengers in the event of an accident. And lighter aluminum vehicles improve performance.
Better handling and shorter stopping distances help drivers avoid accidents to begin with. This versatile metal is used to make planes, trains, buses, trucks — even ocean liners!
In short, every day, people around the world trust the strength of aluminum — whether they know it or not. Designers know that high-strength aluminum alloys can handle some of the harshest conditions on earth — and beyond.
Army has trusted aluminum for decades to help protect our troops.
Aluminum armor plate is even used to resist explosives and other attacks. The metal was widely used in the space shuttle program and NASA chose a high-strength aluminum-lithium alloy to make the new Orion spacecraft, which will someday take humans to Mars.
After replacing older wood, steel, wire and fiber aircraft during WWII, high-strength aluminum alloys have become among the most commonly used materials to make military aircraft.