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Concrete: Introduction
Concrete: Introduction

... Concrete is a composite material which is made up of a filler and a binder. Typical concrete is a mixture of fine aggregate (sand), coarse aggregate (rock), cement, and water. ...
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Building - ARE Forum

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Nakheel #1

... Architectural and Structural concepts need to merge and complement each other like body and soul. Structural components and systems need to follow a utilitarian rationale for their existence thus reinforcing the entire fabric of the structure and ...
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Casa da Música, Porto, Portugal

... bounding the main auditorium with 1,0 m thick. This major thickness is due to the fact that there are many open spaces, often large in size, and it is thus important to ensure the walls have the capacity to bear inlaying by other perpendicular structural elements. Considering the shell and its inter ...
A BUILDING EXTENSION: H and W CANOPIES
A BUILDING EXTENSION: H and W CANOPIES

... consists of Portland cement, water, and some air. The inert materials are usually composed of fine aggregate, which is a material such as sand, and coarse aggregate (as gravel, crushed stone, or slag). Under normal conditions, concrete grows stronger as it grows older. The chemical reactions between ...
DT1410 - Materials and Processes in Design
DT1410 - Materials and Processes in Design

... Besides pulpwood, rough lumber is the raw material for furniture-making and other items requiring additional cutting and shaping. It is available in many species, usually hardwoods, but it is also readily available in softwoods such as white pine and red pine because of their low cost. Finished lumb ...
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Concrete



Concrete is a composite material composed of aggregate bonded together with a fluid cement which hardens over time. Most use of the term ""concrete"" refers to Portland cement concrete or to concretes made with other hydraulic cements, such as ciment fondu. However, road surfaces are also a type of concrete, ""asphaltic concrete"", where the cement material is bitumen.In Portland cement concrete (and other hydraulic cement concretes), when the aggregate is mixed together with the dry cement and water, they form a fluid mass that is easily molded into shape. The cement reacts chemically with the water and other ingredients to form a hard matrix which binds all the materials together into a durable stone-like material that has many uses. Often, additives (such as pozzolans or superplasticizers) are included in the mixture to improve the physical properties of the wet mix or the finished material. Most concrete is poured with reinforcing materials (such as rebar) embedded to provide tensile strength, yielding reinforced concrete.Famous concrete structures include the Hoover Dam, the Panama Canal and the Roman Pantheon. The earliest large-scale users of concrete technology were the ancient Romans, and concrete was widely used in the Roman Empire. The Colosseum in Rome was built largely of concrete, and the concrete dome of the Pantheon is the world's largest unreinforced concrete dome. Today, large concrete structures (for example, dams and multi-storey car parks) are usually made with reinforced concrete.After the Roman Empire collapsed, use of concrete became rare until the technology was redeveloped in the mid-18th century. Today, concrete is the most widely used man-made material (measured by tonnage).
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