Author: VideRime

Types of water sorces and Ground water contamination

Water from infiltration galleries-——————–aeration,coagulation,sedimentation and disinfection. Tube well water—————————————————-disinfection. Surfacewater(river or canal)—————–coagulation,flocculation,sedimentation,filtration and disinfection. Pond/Lakewater-—————————————– coagulation, CuSO4 treatment,sedimentation,filtration and disinfection. Blue Baby disease(methemoglobinemia) in children is caused by the presence of excess nitrates and is caused by decreased oxygen carrying capacity of hemoglobin in babies , resulting in oxygen deficiency...

Basics of Surveying / Surveying

Different types of Chains used in Surveying

Chains are made up of galvanized mild steel wire of 4mm diameter having number of links in series. The ends of links were bent like loop. The links were connected by three small circular rings. Brass handles were provided on each end of chain with a groove to hold an...

Building Materials

Types of rocks, mode of formation and Grouting

Rocks are classified on their mode of formation. Rock is made up of tiny particles strongly bonded together. Rock contain minerals and organic compounds. Types of rocks: Igneous rocks: Such rocks are formed due to cooling of hot molten lava. Their look is shiny and glossy. Examples: – Granite and...

RCC

Difference between Self Supporting Stacks and Guyed Stacks

Difference between Self Supporting Stacks and Guyed Stacks Stacks are known as chimneys so do not confuse. S.No. Self supporting stacks Guyed stacks 1. At the base they are supported on a flared portion In this stack is anchored by guyed wires joint to collar 2. A thick lining is...

Building Materials

Important points to Ordinary Portland Cement(OPC)

The content provided in this article mainly asked in various examinations. We all know cement is made up of various constituents. But the main constituent responsible for initial setting of cement is tricalcium aluminate. As per IS specification, initial setting time should not be less than 30 minutes and final...

Highway Engineering

Equivalent Single Wheel Load(ESWL)

Equivalent Single Wheel Load(ESWL) To maintain the maximum wheel load distribution within a specified range and to carry the greater load it is very important to provide dual wheels at both the ends of the rear axles of commercial vehicles. Hence the loading effect of dual wheels is not twice...

strength of materials

Shape factor and Poisson’s ratio in SOM

Shape factor is the ratio of a plastic moment(Mp) to elastic moment(Me) OR we can say that it is the ratio of plastic section modulus(Zp) to elastic section modulus(Ze). Shape factor shows the extra strength or moment possessed by a section, that is the strength or moment beyond yield point....

Concrete Technology / RCC

Duration for Removal of formwork

As a Site Engineer or supervisor it’s important for carrying out the project in a good manner. S.NO. STRUCTURAL MEMBERS DURATION 1. Slabs( when props left under) 3 days Removal of props to slabs of spanning upto 4.5m 7 days Removal of props to slabs of spanning over 4.5m 14...

Highway Engineering

Difference between Flexible and rigid pavement

Difference between flexible and rigid pavement S.No. Flexible pavement Rigid pavement 1 Load transferred grain to grain. There is no such transfer took place. 2 Durability is less as compare to rigid. Durability is more as compare to flexible. 3 Road can be used within 24 hours. Road cannot be...

Highway Engineering

Prime Coat, Tack Coat and Seal Coat

Prime Coat It is the first application of low viscosity liquid bituminous material over an existing porous surface like WBM base course. The main object of priming is to plug in the capillary voids of the porous surface using a low viscosity binding material. Mainly SC or MC cutbacks are...

RCC

Difference between Bunker and Silo

Bunker Bunkers may be rectangular or circular in plan Bunkers are shallow in depth The plane of rupture intersects at top of the surface and makes an angle of (90+ᶲ)/ 2 Silo Silos are generally circular in plan Silos are deep The plane of rupture intersects at walls of silo and...

Some Facts

Importance of Water, sanitation and water supply scheme

Now heating season starts and many parts of country looks drought prone. These days many of them are enjoying with water and many of them are dying for a drop of water. Now in many parts of country water crisis is rising. So help someone who is in search of...

Environmental Engineering

Advantages and Disadvantages of Concrete pipes

Concrete pipes are widely used in various construction projects for the conveyance of fluids, including water, sewage, and drainage. They offer several advantages and disadvantages that should be considered when choosing the appropriate pipe material for a specific application. Advantages of Concrete Pipes: 1. Strength and Durability: Concrete pipes are known...

Basics of Surveying

Difference between Prismatic compass and Surveyor’s compass

Difference between Prismatic compass and Surveyor’s compass in simple language. Many questions were asked from these differences in Competitive exams like needle size in both the compasses, graduations in both compasses etc. First of all, keep both the compasses in front of you then one by one start matching these...

AutoCADD

Difference between Carpet area, Built-up area and Super Built-up area

Now we will explain the difference between carpet area, Built-up area and Super built-up area with the help of 1 BHK Residential Building plan as shown below. We Keep article as short as to understand quickly. Carpet area:- This area is a usable area for occupants. In above figure, we...