Specific Gravity of Cement As we know that the specific gravity of ordinary portland cement is between 3.1 to 3.15 g/cc and for portland pozzolana cement and portland blast furnace cement it is near to 2.90 ( As per Portland Cement Association -PCA 1998) What is specific gravity? The specific gravity of any substance may …
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What is Bar Bending Schedule (BBS)? Bar bending schedule is a list of reinforcement bars in a tabular form giving the particulars of bars, the shape of bending with sketches, length of each, total length and total weight. Usually, for each type of RCC work, a schedule of bars is usually prepared. With the help …
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Soundness Test of Cement Certain cement shows expansion after setting and causes disruption of hardened mass. The testing of the soundness of cement is to ensure that the cement does not show any appreciable expansion after setting. Unsoundness of cement is due to excess of lime, magnesia and proportion of sulphate. There is Le-Chatelier test to …
What is Well Foundation? Wells and Caissons are large-diameter foundations adopted in an underwater situation such as bridge foundations in rivers. Caissons are large width foundations which carry the load of the superstructure through a layer of weak soil to firm stratum at considerable depth. Unlike pile foundations, which rarely have diameters greater than 2 …
Types of Cement Cement is a building material which is used in the construction industry. Cement sets well underwater and hardens quickly and attain strength. Cement contains hydraulic properties to great extent and acquires more strength on the setting. In actual cement is a Calcareous substance which is used in mortar or concrete for construction. …
Marble and Granite are the most popular natural stones. Both are, used as countertops for the kitchen and bathroom. Homeowners always get confused to choose which one is better for their house. So today in this article, we are going to a detailed comparison between marble and granite which will help you to select the …
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What is Lap Length? The lap length is the length provided to overlap two rebars in order to safely transfer load from one bar to another bar and alternative to this is to provide mechanical couplers. Lap length also known as lap splices. Suppose we need to construct the building of 20-metre height but there …