The most commonly used plane table It consists of a well-seasoned wooden table Top mounted on a tripod. The table top can rotate about vertical axis freely. Whenever necessary table can be clamped in the desired orientation. The table can be levelled by adjusting tripod legs. ACCESSORIES OF A PLANE TABLE......
Category: Civil Basics
Chain Surveying – Instruments used in ChainingChain Surveying – Instruments used in Chaining
Chain survey is suitable when Area to be surveyed is comparatively small and the Ground is fairly level. Chain survey can also be used when the Area is open and Details to be filled up are simple and less. In chain surveying only linear measurements are made i.e. no angular measurements......
Measurement of Distance with Chains or TapesMeasurement of Distance with Chains or Tapes
Measurement of distances using chain or tape is termed as chaining. This is the accurate and commonly employed method in surveying: These instruments can be classified as [1] chains [2] Steel band [3] Tapes [1] CHAINS The chains are composed of 100 pieces of 4 mm diameter galvanised mild steel......
Glass – Its Properties and TypesGlass – Its Properties and Types
Silica is the main constituent of glass. But it is to be added with sodium potassium carbonate to bring down melting point. To make it durable lime or lead oxide is also added. Manganese oxide is added to nullify the adverse effects of unwanted iron present in the impure silica. The......
Masonry in Construction – Stone and Brick MasonryMasonry in Construction – Stone and Brick Masonry
Masonry means construction of buildings using building blocks like stone, bricks, concrete blocks, Tiles etc. Masonry is used for the construction of foundation, plinth, walls and columns. Mortar is the binding material for the building blocks. In this article different types of masonry used are explained and points to be observed......