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Chapter 1

Masonry Materials

Maçonaria
Maçonaria
Masonry is an assembly of individual units like concrete blocks, stones, or bricks laid in rows and bonded with mortar to create walls, floors, arches, ...
Argamassa
Argamassa
Ingredients such as Portland cement, an essential binding agent; hydrated lime, which improves workability; sand, a carefully screened inert aggregate; ...
Propriedades da argamassa
Propriedades da argamassa
Good mortar in a plastic state possesses good workability and the ability to retain water. Good workability allows the mortar to spread smoothly, adhere ...
Tijolos
Tijolos
Bricks are masonry units made from fired clay in various shapes, sizes, and colors. Conventionally, bricks were made in a simple wooden mold, producing a ...
Tamanhos de tijolos
Tamanhos de tijolos
The dimensions of a brick are determined by three measurements: its width, height, and length. Typically, bricks are sized to build walls in modules of 4 ...
Classificações de tijolos
Classificações de tijolos
The bricks used in construction are generally classified as facing bricks, building bricks, and hollow bricks. Facing bricks, also known as face bricks, ...
Durabilidade, resistência e aparência do tijolo
Durabilidade, resistência e aparência do tijolo
Freeze-thaw is the process where water absorbed within a brick expands upon freezing and contracts when it thaws, leading to the degradation of the brick. ...
Alvenaria de tijolo
Alvenaria de tijolo
The simplest brick masonry wall has one single wythe with a stretcher course. In this arrangement, the brick's longer edge runs horizontally, with its ...
Técnicas de corte de tijolos
Técnicas de corte de tijolos
Consider building a brick wall where a full brick cannot fit into the remaining space. To fit a brick in this space, a mason's hammer with a ...
Juntas de argamassa em alvenaria de tijolo
Juntas de argamassa em alvenaria de tijolo
Mortar joints are the spaces between bricks filled with mortar. Joints bind the bricks together, ensuring structural integrity and strength. The thickness ...
Abrir abrangência em paredes de tijolo
Abrir abrangência em paredes de tijolo
When building brick walls, openings for windows and doors need to be supported with lintels, corbels, and arches to withstand the loads from the wall ...
Alvenaria de tijolo reforçado
Alvenaria de tijolo reforçado
Reinforced brick masonry incorporates steel reinforcements within the hollow cores of the bricks or sandwiched between two masonry wythes, then secured ...
Tipos de pedra de construção
Tipos de pedra de construção
Building stones are sourced by extracting rock from natural rock deposits and shaping it into the specific forms and dimensions needed for building ...
Extração de Pedra
Extração de Pedra
Quarrying involves the meticulous extraction of stone from a quarry by either using controlled explosions or precision cutting techniques to remove the ...
Alvenaria de Pedra
Alvenaria de Pedra
Stone masonry falls mainly into two categories: rubble and ashlar. Rubble masonry uses uneven, naturally shaped stones, often found as river rocks or ...
Fabricação de Unidades de Alvenaria de Concreto
Fabricação de Unidades de Alvenaria de Concreto
Manufacturing concrete masonry units involves pouring stiff concrete, comprising Portland cement, aggregates, and water, into metal molds. This is ...
Colocação de alvenaria de concreto
Colocação de alvenaria de concreto
Consider the construction of a concrete masonry wall; first, the base is cleaned, the mortar is spread, and then the initial row of blocks for a corner ...
Fabricação de aço
Fabricação de aço
Steel manufacturing begins with smelting iron ore into cast iron in the blast furnace. Smelting involves layering the iron ore with a fuel called coke and ...
Produtos de aço estrutural
Produtos de aço estrutural
Structural steel products are manufactured in a structural mill, where the beam blank is reheated and refined through rollers into the required shape and ...
Técnicas de fixação de aço
Técnicas de fixação de aço
Steel sections can be fastened using rivets, bolts, or welding. A rivet is a steel fastener with a cylindrical shaft and a specially shaped head. The ...
Características mecânicas do aço
Características mecânicas do aço
Mechanical characteristics of steel such as tensile strength are determined by a tension test where a specimen is pulled in a gripping device. The tension ...
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