Workability of Concrete – Definition – Factors affecting
The word “workability” defines an amalgam and composite of four concrete flow-making physical properties like mixability, transportability, mouldability, and compatibility.
Saad Iqbal
Field Density Test by Water Replacement Method
Water replacement method is used for determination of field compaction or field density of soil and gravely fills. The method is used for soil fills containing particles larger than 75 mm such as earth embankments, road fills, or structural backfills. The test method is standardized per ASTM D5030. As I’ve explained in my earlier posts … Read more
Types of Cement – Classification based on standards
Knowing about various types of cement and their unique set of behaviors would allow you to opt the appropriate one for your construction needs. Actually the amount and proportion of various ingredients and components of cement are varied. In my previous post, I have talked about Bogue’s compounds of cement. These compounds including C3S (Tri-calcium … Read more
Field Density Test by Core Cutter Method
Core cutter method is a type of field density test performed to evaluate the in-situ density of cohesive or clayey soils. It is a very easy and simple test that includes driving of a steel core-cutter with sharp blades into the fill. So, this method is not suitable for coarser soils as the core may … Read more
Standard Proctor Test – Procedure – Apparatus – Calculation
Maximum dry Density of soil is determined in the laboratory with the help of Standard Proctor Test standardized by ASTM D698 and AASHTO T99. So this read explains in depth, the significance, background, apparatus and procedure of the standard proctor test. Basics of Soil Compaction It is worth mentioning, that densification or compaction of soil … Read more
Properties of Bricks – Compressive Strength -Hardness – Efflorescence
Generally, plenteous useful properties of bricks exist making it the widest used and most popular construction material. Its resilient and sustainable characteristics against forces of nature are not new or not unknown. Among brick properties, there are some basic ones which are related to the physical character and there are some additional properties that describe … Read more
Types of Stone Masonry – Ashlar Masonry – Rubble Masonry
Although different types of stone masonry were in use from ancient times for construction of hideouts and houses, but owing to the durability and sturdiness they still are a popular choice among construction peers. Can you imagine, if the great Egyptian pyramids would had built by bricks, could had survived till now? In fact, most … Read more
Different brick bonds and brick bonding patters
Being a brick-laying mason or a supervisor is a job that needs wisdom of alignment and orientation. You ought to have knowledge of different types of brick bonds. We also refer brick bonds as brick bonding patterns. Out there are some basic bonds and therefrom are some derived ones that are carved out. So; in … Read more
Advantages of Air-Entrained Concrete
There are multitude advantages of air-entrained concrete, it not only enhances the durability of the fresh concrete but also render resilience of hardened concrete. We all know that concrete, though from appearance looks solid and firm, but it actually has many pores and voids in it. These voids and pores act as capillaries for the … Read more
What is Bogues Compounds in Cement and their Significance or Uses
Bogues compounds are responsible for initial setting of the cement grout. These compounds have been researched extensively by an American chemist named Rober Herman Bogue (R.H. Bogue) who is well known for his books on The Chemistry of Portland Cement and the Chemistry and Technology of Gelatin and Glue. After his extensive research, Bogue has … Read more