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CONCRETE POURING IN RAIN- how to pouring concrete in rainy days

CONCRETE POURING IN RAIN https://askciviltech.blogspot.com/2020/06/knowledge-of-cement-concrete-behaviour.html CONCRETE POURING:- Water is a major component of all concrete. which is mixed with cement and causes it to hydrate and regain strength. After concrete is laid water can do more harm than good as driving rain. Pouring concrete in the rain can compromise its strength, leading to increased tendency to dust and scaling. Once damage is done. it can be difficult to fix and will often ruin the appearance of the finished surface. Do not let it rain on your parade. Here are some tips to prevent and prevent rain-damaged concrete. Advice for pouring concrete in the rain Despite modern weather forecasting techniques and radar maps, an unexpected rain shower can develop without warning, especially during the hottest months of the year. If rain is in the forecast, you should postpone pouring a large concrete until conditions improve. Even if rain is not predicted you should always be pre

cement plaster or gypsum plaster - which is the best plaster ?

Cement Plaster vs Gypsum Plaster https://askciviltech.blogspot.com/2020/06/knowledge-of-cement-concrete-behaviour.html The rich contribution of plaster to the beauty and preservation of the surface of the walls need hardly be debated. The most popular types of plaster used for building construction are cement and gypsum plaster. This ointments are used for external and internal plastering of the building. They form a protective layer that covers stone and brick masonry with RCC walls and ceilings. Additionally, wall plastering is effective in leveling wall and ceiling surfaces, Gypsum and cement are also used to make textures or plaster and finishes. cement plaster:- Cement plaster is a homogeneous mixture made of Portland cement, sand, and water. The thickness of cement plaster is usually between 12 and 20 millimeters, depending on the type of wall or roof surface that needs to be plastered. Note: A rich cement plaster mixture is obtained by mixing one part The pros Cement plast

In civil engineering Highway engineering questions

HIGHWAY ENGINEERING QUESTION What is IRC? Indian road Congress What is coefficient of longitudinal friction ? Coefficient of longitudinal friction is 0.35 to 0.4 Speed. Friction 20-30km/h. 0.40 40km/h. 0.38 50km/h. 0.37 60km/h. 0.36 65km/h. 0.36 80km/h. 0.35 100km/h. 0.35 What is the coefficient of lateral fusion? Coefficient of lateral friction is 0.15 Carriageway Single lane 3.75m Two lane without raised kerb. 7m Two lane with raised kerb. 7.5 m Intermediate carriageway. 5.5m Multilane payment 3.5 m per lane Minimum width of vehicle as per IRC 2.44 m Width of shoulder as per IRC 2.5 m Total reaction time as per IRC 2.53 sec What is superelevation ? Raising of outer edge of payment with respect to inner edge througho

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