Types of Limes Different types of limes are used for building construction. It is not generally found in the free state. Lime is a product which is obtained by burning lime stone, a raw material, found in lime stone hills or lime stone boulders in the beds of old river, kankar found below ground level, … Read more
Building Finishes Building finishes such as plastering, varnishing, dis-tempering, white-washing, coloring, etc basically perform two functions as pointed below. They give a protective coating to the surfaces which protects them from weather effects such as rain water, frost, heat etc, and They provide decorative effects which add to the appearance of the surfaces and building … Read more
Defects in Brickwork The followings are some of the common defects in brickwork that are found at construction site. The bricks used were of substandard quality compared to the quality specified in the contract. No tests were carried out to find out the efflorescence level and water absorption in the bricks The bricks were not … Read more
Characteristics of Good Mortar The chief properties of hardened mortar are strength, development of good bond with building units, resistance to weathering and those of green mortar mixes are mobility, placability and water retention. In addition, the mortar should be cheap and durable and should not affect the durability of building units in contact. The … Read more
Telltale Signs for Choosing Right Concrete Cutting Contractor for Your Construction Project Most construction projects witness the need for concrete cutting and drilling for various purposes. And thus, it is essential for every size of a contractor, or a construction business, to have a good understanding of concrete cutting and how it can benefit your … Read more
Some Issues in the Usage of Fe- 500 or Higher Grade TMT Steel Bars in Residential Buildings Some contractors report a tendency among few design Engineers to specify Fe-500 or higher grade steel in residential buildings citing its high strength. Customers are advised that if they use Fe 500 or higher grade steel in building … Read more
Types of Backfill Materials Different types of backfill materials are used in construction industry. Backfill materials that are commonly used are described below with their engineering properties. 1. Coarse-grained soils Coarse-grained soils include gravelly and sandy soils and range from clayey sands (SC) through the well-graded gravels of gravel-sand mixtures (GW) with little or no … Read more
Quality Control for Brickwork Bricks should be soaked in water for at least one hour before use for brickwork in cement and lime mortars. The bricks should be sufficiently soaked before use but not excessively so. The absence of bubbling when the soaked brick is immersed in water is the test for through soaking. Also … Read more
Root Pile Construction Root piles are very small diameter piles (generally 60 mm to 135 mm). Length of the root piles generally vary within 4 m to 30 m. The concept of root pile was first introduced by an Italian engineer named F. Lizzi. His primary concern behind root pile development was to do underpinning … Read more
Construction of Low Cost Brick Walkway The primary aim for construction of a walkway is to provide easy access within a garden, awn or yard. Because in rainy season, water collected on the ground surface makes it sloppy or muddy. This causes difficulty in easy access. To avoid this we can build an inexpensive brick … Read more
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