WHAT CAUSE DEFECTS IN BRICK MASONRY AND ITS REMEDIES?

Spalling of brickwork

Sources of Defects in Brick Masonry There are 4 primary reasons that cause defects in brick masonry work. These are as follows. Sulphate Attack Crystallization of Salts from Bricks Corrosion of Embedded Iron or Steel Shrinkage on Drying 1. Sulphate Attack The common forms of defects due to sulphate attack are Chipping and spalling of … Read more

4 TYPES OF BONDS COMMONLY USED IN BRICK MASONRY WORK

Fig-4 Flemish Bond

Types of Bonds in Brick Masonry Brick masonry is built with bricks bonded together with mortar. For temporary sheds mud mortar may be used but for all permanent buildings lime or cement mortars are used. The various types of bonds generally used in brick masonry are Stretcher bond Header bond English bond and Flemish bond … Read more

HOW TO SELECT MATERIALS FOR DPC? [DAMP PROOF COURSE]

Roof treatment using of bitumen felt

Selection of Material for D.P.C. Any materials to be used as D.P.C must possess following properties. They should be impervious strong and durable to register loads dimensional is stable free from Salt Lake sulfates chlorides and nitrates There are commonly 4 types of materials that can be used at DPC Flexible material (Bitumen felts, plastic … Read more

DAMPNESS IN BUILDING – CAUSES, SOURCES & DEFECTS

Dampness in building - cause, source and defects

Dampness in Building Dampness in building is one of the important aspects to consider during building design. Because if neglected, it will affect the building structure adversely and will create unhygienic condition for the persons living in that building. 3 Primary Causes of Dampness in Building Penetration of water into the building components (such as … Read more

7 TYPES OF PIPES USED IN WATER SUPPLY SYSTEM OF BUILDINGS

Galvanized Iron Pipe

Pipes for Water Supply System Pipes which are commonly used in water supply system are given below. Cast Iron (CI) Pipes Steel Pipes Galvanized Iron (GI) Pipes Copper Pipes Plastic or Polythene or PVC pipes Asbestos Cement (AC) Pipes Concrete Pipes 1. Cast Iron Pipes These pipes are most commonly used in water distribution system … Read more

HOW TO ACHIEVE ECONOMY IN THE COST OF FORMWORK CONSTRUCTION?

economy in formwork construction

Economy in Formwork Construction The total cost of concrete construction work includes the cost of formwork also. Construction of formwork involves considerable expenditure in terms of cost of material, cost of labour for fabrication, erection and removal of formwork and time element. In case of buildings, the cost of formwork may range between 30 to … Read more

FIRE PROTECTION REQUIREMENTS FOR MULTI STOREYED BUILDINGS

FIRE PROTECTION IN MULTISTOREYED BUILDING

Main fire protection requirements for multi-storied buildings can be summarized as under. 1. Structure The structural framework can be in R.C.C or steel. In case of steel structure, it will be necessary to encase the structural components by tiles, concrete or bricks. The fire resistance of load bearing walls, columns and beams should not be … Read more