Suryakanta 
Technical Properties of Mortar For the sake of projects, the newly mixed mortar should have good workability, and the hardened mortar should have the required strength, the bending power to the bottom face, little deformation and durability. 1. Workability of Fresh Mortar The workability of fresh mortar refers to the comprehensive properties of mortar easy … Read more
The Basic Properties of Heat-insulating Material In architecture, the material which prevents the outflow of indoor heat is normally called adiabator. On the other hand, the material which prevents the inflow of outdoor heat is called heat insulator. These two are collectively called heat-insulating materials. This kind of material is mainly used for walls, ceilings, … Read more
Making of Test Cubes From Fresh Concrete IS-456 has laid down the acceptance criteria of quality concrete. In all the cases, the 28-days compressive strength shall alone be the criterion for acceptance or rejection of the concrete. 7 days compressive strength of concrete can be carried out in order to get a relatively quicker idea … Read more
Factors Affecting the Setting and Hardening of Portland cement (1) The Impact of Cement’s Composition The mineral composition of cement and their ratios are the main factors affecting the setting and hardening of cement. As mentioned above, various mineral components will reveal different characteristics when reacting with water. For example, the increase of C3A can … Read more
1. STORING OF BRICKS ON SITE Stacking and Storing of Bricks at Site Stack the bricks close to the site of work so that less effort is required to unload and transport the bricks again by loading on pallets or in barrows. Different types of bricks (such as clay bricks, clay fly ash bricks etc.) … Read more
Protection of Masonry During Construction It is necessary to protect masonry during construction when the mortar is green or when masonry has not been laterally supported, against damage due to rain, frost, storm, etc. It is also necessary to protect some vulnerable parts of masonry such as jambs, corners and sills and expose masonry, during … Read more
AN INSIGHT TO CONCRETE RAMPS FOR BUILDINGS Ramps are of great importance in any high-rise building. Ramps provide safe access to the building for heavy materials such as heavy machineries. In many countries the construction of a ramp in a building is made compulsory by law abiding bodies to provide safe and convenient access to … Read more
What Is Volume Batching of Concrete? Batching of concrete means measuring different ingredients of concrete (i.e. cement, sand, coarse aggregate and water) before mixing it. When this measurement is done on the basis of volume, we call it Volume Batching. Below are mentioned some of important points to remember before adopting volume batching method in … Read more
Needle Vibrator These concrete vibrators are also referred to as poker or immersion vibrator. These are extensively used in building industry. A needle vibrator consists of a cylindrical casing made of steel and is vibrated by means of a flexible drive with an outer tube run from an operating machine which can be run by … Read more
Comparison between Ordinary & Performance Graded Binders The primary differences between ordinary graded binder and performance graded binder is given in the following table Ordinary Graded Binders Performance Graded Binders Binders are graded either based upon penetration or viscosity Binders are graded based upon pavement temperature, which are close to in service conditions of pavements … Read more