Test for Bricks

Test for Bricks A brick is generally subjected to the following tests to find for the construction work, (1) Absorption (2) Crushing strength (3) Hardness (4) Presence of soluble salts (5) Shape and size (6) Soundness (7) Structure   (1) Absorption: A brick is taken and it i...

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Caissons-Types of caissons

Caissons-Types of caissons A caisson is a water-tight box like structure or a chamber, made of wood, steel, or concrete, usually sunk by excavating within it, for the purpose of gaining access to the bed of a stream and placing the foundations at a prescribed depth and which subs...

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Types of Brick Bonds

Types of Brick Bonds Some of the different types of brick bonds are, 1. English bond, 2. Flemish bond, 3. Stretching bond, 4. Heading bond, 5. Garden wall bond, 6. Facing bond, 7. Raking bond, 8. Dutch bond, 9. English cross-bond, 10. Zig-Zag bond, 11. Silverlock’s bond. For En...

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Flemish Bond – Brick Masonry

Flemish Bond – Types of Flemish Bond In Flemish bond, each course consists of alternate headers and stretchers. The alternate headers of each course are centered over the stretchers in the course below. Every alternate course starts with a header at the corner. For the brea...

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English Bond – Brick Masonry

English Bond English bond consists of alternate course of headers and stretches. In this English bond arrangement, vertical joints in the header courses come over each other and the vertical joints in the stretcher course are also in the same line. For the breaking of vertical jo...

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Surkhi

Surkhi Surkhi is called as Trass, or brick-dust in England. Surkhi is used as a substitute for sand for concrete and mortar, and has almost the same function as of sand but it also imparts some strength and hydraulicity. Surkhi is made by grinding to powder burnt bricks, brick-ba...

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Fire Bricks

Fire Bricks Fire bricks are made of fire-clay or refractory clay, burnt at a high temperature in special kilns. Fire bricks are generally of a white or yellowish white colour,  the colour of fire-clay is generally grey, and is somewhat greasy to the touch. A fire clay with a coa...

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Compressive / Crushing Strength of Bricks

Compressive /Crushing Strength of Bricks Compressive /Crushing strength of  bricks (Indian Made) are very variable, and may vary from 30 kg/sq. cm to 150 kg/sq. cm for hand-made burnt bricks, while Crushing strength of  heavy duty bricks machine pressed (also called engineering...

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Termite treatment for Wood

Termite treatment for Wood Wood work which is badly damaged by termites should be replaced by new timber which is adequately brushed or dipped in oil or kerosene based chemical emulsion. The infested wood work for door and window frames, etc. should be given protective treatment ...

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Termite – Soil Treatment under Floor

Termite – Soil Treatment under Floor Cracks in floors are the weak spots which permit entry of termites from soil below the floor. The cracks usually occur at the junction of the floor and walls, expansion joints in floor and at construction joints in a concrete floor. Crac...

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