Such simple observation will help you decide the qualities of bricks immediately and onsite by one observation. The percentage of lime should be in the range of 5% to 10% in a good brick earth. Good quality bricks enhance the quality of brickwork. Possibly the first successful brickmaking machine was patented by henry clayton, employed at the atlas works in middlesex. Interior of a hoffman kiln at torrensville heritage sa files. A correct handling of facing brick and construction materials in general is part of the technical expertise of the contractor. Burnt clay bricks, on the other hand, are good quality bricks that. We need to ensure several qualities of good bricks to resist loads acting on it. It thus affords a key for mortar when the next brick is placed over it. In previous blog posts, we studied mechanical properties and physical properties of building material. Generally good bricks possesses following properties bricks should be uniform in color, size and shape.
The bricks should be tablemoulded, well burnt in kilns, coppercoloured, free from cracks and with sharp and square edges. Brick format modern metric bricks in the uk are sized to create a modular format. It is always desirable to use the best quality brick in constructions. In brick work, the bricks are laid with frog uppermost. Clay bricks and clay blocks resource efficiency action plan wrap. Depending on the parent rock and climatic conditions soil appears in an infinity of forms possessing an endless variety of characteristics. Characteristics of good bricks, ingredients of good brick earth, functions of various ingredients etc. Technical note 10, dimensioning and estimating brick masonry pdf file retrieved 8 november 2016. The material files in to pieces when heated and suddenly cooled. A brick is building material used to make walls, pavements and other elements in masonry. A rough test for the strength of the brick is to let it fall freely from a height of about one meter on to a hard floor.
To sum up, the aforementioned are some qualities of good bricks which every homeowner should know before using it in construction to achieve the best results. The study found that when coupled with good solar passive design, building with bricks reduced internal temperature fluctuations to ensure comfortable living. Therefore, the characteristics of a good brick must be investigated. As we know that brick is the important construction unit. Qualities of good bricks the good bricks which are to be used for the construction of important structures should posses the following qualities. A good building brick should possess requisite compressive strength, which in no case should be less than 35 kgcm 2. A frog is mark of depth about 10mm to 20mm which is placed on raw brick during moulding. Some tests on bricks can be conducted at construction site. The good bricks which are to be used for the construction of important structures should posses the following qualities. Early bricks and brickwork in south australia 1998.355 909 848 691 312 1273 1197 757 243 1170 180 857 668 690 1281 987 1175 1355 1576 317 1129 703 1157 944 765 440 1587 90 768 1484 857 1510 179 1346 211 1434 697 116 741 129 508 1401 1462 402 1104 991