Orthographic projection in Engineering Drawing – PDF – Examples

Orthographic projection in drawing

Orthographic projection also sometimes known as orthogonal projection is a projection system in which three-dimensional figure is drawn to several two-dimensional sections. In this system parallel lines are drawn from projection plane which are orthogonal to projection plane. These parallel lines are used for preparation of drawing of object. In such drawing it is assumed … Read more

Leveling Staff – Types – Reading Methods – Uses – PDF

Levelling staff is one of the major instruments used in civil engineering survey. Specifically, it is used in leveling while finding the difference between heights of two points. It has different names in the field as leveling rod, self-reading staff, staff-rod, or level staff.  . A leveling staff is a large size graduated ruler which … Read more

How much does brick weigh? Average brick weight

In Unites States and UK, the standard red brick of size 3-5/8” x 2-1/4” x 8” weighs about 4.5 pounds that’s equal to 2.04 kilogram or 2,041 grams. However, weight of bricks can vary from 4.3 pounds to as heavy as 5 pounds depending on the density of the brick.   Whether you’re looking to … Read more

Concrete Block Calculator – How many blocks you need?

While working on masonry projects, there’re number of times you need a Concrete block calculator to help you calculate concrete blocks needed to build a wall.   Whether you’re laying a new wall or are replacing a brick wall with a concrete block, this online calculator help you estimate the number of blocks required as … Read more

Crawl Space Foundation – Pros & Cons – Vs Slab foundation

Crawlspace foundations are a pretty common type of foundations for homes in America. Unlike slab or slab-at-grade foundations, it brings inherent benefits like protection from flooding. It offers flexibility during an earthquake or seismic activity.   At the same time, you can face problems with a crawlspace. If you won’t control the moisture penetration, you can … Read more

Setting of Cement – Initial & Final Setting time of cement

Understanding the concept of setting time of cement is important while handling concrete like transporting, placing, and compaction. Setting of cement is relevant to concepts like hydration process and hardening. In normal circumstances, when you are using concrete, you want it in a workable or flow-able condition for pouring in desired shape. That’s because it … Read more