A huge quantity of concrete is placed in large structures such as dams, canals. the tunnel, bridge, flyover, etc is called mass concrete. For mass concrete, the slump value varies between 25 to 50 mm. Large size aggregates are used for mass concrete. These aggregates provide low slump value and very stiff concrete. Large size … Read more
When dry gypsum powder is mixed with water it hardens. This material which can be applied over brick, block, or concrete surface to form a smooth surface is known as gypsum plaster. Gypsum plaster can be applied directly without any surface preparation. It takes 25 to 30 minutes to set and provide a white surface … Read more
If the depth of the beam in the slab is equal to the depth of the slab, it is known as a hidden beam or concealed beam. You can not see concealed beam after slab casting. The normal beam has a larger depth than the slab but the concealed beam has the same depth as of slab. … Read more
This article is related to the difference between nail and screw. What is Nail? Nail is the most common fasteners used in the field of construction. Up to the end of the Colonial time frame, all nails utilized in the world were handmade. Normally, these nails were forged on an anvil from nail rods, which were sold in … Read more
This article explains various types of failures in beams. Failure of a single structural member can lead to complete structural collapse. That is why we need to identify all types of failures in the beam. There are two types of failures in beams. Flexural failure occurs due to imposed load exceeding the flexural capacity of the … Read more
Various types of drawings are used in construction. The most common drawings are architectural drawing, structural drawing, electrical drawing, mechanical drawing, and interior Drawings. These drawings provide complete details such as layout plan, modeling, and detailing. Drawings play a vital role in the construction field to convey the ideologies and perspective of the designer to … Read more
Waffle Slab A waffle slab is made of reinforced concrete with holes underneath, giving the appearance of waffles. Waffle slabs are preferred for large spans greater than 12 meters. Waffle slabs are stronger than flat slabs, flat slabs with drop panels, two-way slabs, one-way slabs, and one-way joist slabs. It is used to avoid many columns interfering with … Read more
What Is Rain Gauge? A rain gauge is a meteorological instrument to measure the liquid precipitating in a given amount of time per unit area. It is also known as an udometer, pluviometer, or ombrometer. We will discuss various types of rain gauges with schematic diagrams. Types Of Rain Gauges There are two types of Rain Gauges as … Read more
The water requirement of the crops is defined complete amount and the method of water needed for a crop from the time it is planted to the time it is collected. Different types of crops have different water requirements. It also depends on the condition of agricultural soil. Every crop planted demands a certain amount … Read more
The shear key is a structural element designed and provided in different structures to provide resistance against lateral forces like earthquake forces and sliding forces in the different structures such as bridges, retaining walls, the basement of residential buildings, precast buildings and culverts, masonry walls in seismic regions, and steel columns. A shear key can … Read more