Category: Quantity Takeoff
-
Learn why Mix Ratio of M25 Grade is NOT 1:1:2 | Engineering Blunders
Many entry-level civil engineers and students believe that the M25 grade concrete mix ratio is 1:1:2, which is a very common misconception. There are two reasons why the M25 concrete Mix ratio is not 1:1:2, which is explained in this article. M25 Grade Concrete Is not a Nominal Mix Concrete M25 grade concrete is a…
-
Calculate Weight of Steel rebar from length – 8,10,12,16, 20mm..
Steel rebars are available in various diameters such as 8mm, 10mm, 12mm, 16mm, 20mm, 25mm. In this article, I am going to show you a simple method to calculate the weight of a steel rebar from its length with some examples. End of the article contains the list of commercial available steel bars and its…
-
Calculate the Sand & Gravel required per 50kg Cement Bag
Proper batching of cement, fine aggregate(sand) and coarse aggregate(gravel or jalli) is important to obtain good quality concrete. This article will show you how to calculate sand and gravel per 50kg cement bag to produce concrete according to code book. Let us first understand the role of different materials in the preparation of concrete. Cement…
-
Mix Design M35 Grade Concrete with Fly Ash/GGBS – IS10262
This article covers the Mix design calculation of M35 Grade Concrete with Fly ash admixture and super plasticizer as per Indian Standard Codebook IS10262(2009) – Guidelines for Concrete Mix Proportioning. I. STIPULATIONS FOR PROPORTIONING OF M35 GRADE CONCRETE This section contains specifications for the materials and requirements for the concrete to be manufactured. The specific…
-
M30 Grade Concrete Mix Design with Fly Ash – IS10262
This article covers mix design calculations of M30 Grade Concrete with Fly ash admixture and Poly Carboxylite super plasticizer according to IS10262-2009. All high-strength concrete requires super plasticizers to achieve good workability and strength in concrete. I. STIPULATIONS FOR PROPORTIONING OF M30 GRADE CONCRETE Minimum cement content is selected based on the grade of concrete.…
-
Calculate Cement Sand & Aggregate from Concrete Mix Ratios – M20, M15, M10, M5
Understanding the correct calculating methodology and knowing the precise quantity of materials is important to achieve the proper relative proportion of cement, sand, aggregate, and water for producing high-quality concrete. This comprehensive article offers straightforward methods to determine the exact amounts of cement, sand, aggregate, and water needed to attain different concrete grades, including M5,…