What Is Caisson Foundation? A caisson foundation is an innovative form of a retaining structure made from watertight components to be used for various engineering works such as the construction of bridge piers and dams, the repair of ships, and other aspects of geotechnical engineering. It is designed as a box-like structure with dimensions depending […]

What Does Movement Joint Mean In Construction? A movement joint, also known as an expansion joint, is an assembly designed to hold parts together while safely absorbing temperature-induced expansion and contraction of building materials, and vibration, or to allow movement due to ground settlement or seismic activity. Movement joints are used in a variety of […]

What Is Slag In Construction? Slag is a by-product of smelting ores and used metals, which can be classified as ferrous (by-products of iron and steel processing), ferroalloy (a by-product of ferroalloy production), or non-ferrous/base metals (by-products of recovering non-ferrous materials like copper, nickel, zinc, and phosphorus). These slags can be further categorized by their […]

What Is King Stud And Jack Stud? A jack stud and a king stud are both important structural elements that are used in post and beam construction to support an opening such as a door or window. The jack stud is a vertical structural element that sits below and supports a header, transferring its loads […]

What Is A Sheave? A sheave is a pulley that has grooves in the side surface. The grooves allow the cable to run more smoothly through the sheave. Sheaves are used to increase or decrease line speed and tension. They can be used with stationary or moving loads, such as hoists and elevators. The grooves […]

What Is An Anchor Bolts? Anchor bolts are cylindrical fasteners that connect objects and structural elements to concrete. They come in various styles and are made by multiple manufacturers. They are commonly used in new construction where the location of walls and elements that need to be connected to the foundation is known and for […]

What is Sun Kink in the Rails? A sun kink is a buckle in a railroad track that can be caused by extremely hot weather, potentially leading to a derailment. Sun kinks are especially dangerous as they develop without warning and can cause trains to become off course or unbalanced if not detected quickly enough. […]

What Is The Morse Taper Drill? A Morse taper is a system used to attach drill bits to a drill press spindle. It utilizes the friction of tapered shanks against the hollow spindle to hold the tool in place during rotation. The attachments can be easily fitted and removed, allowing for a variety of bit […]

What Is A Rim Joist in Construction?? A rim joist is a structural component that runs perpendicular to the joists, providing support for the ends of the joists and finishing off the floor or deck system. It should not be confused with end joists, which are the first and last joists at the ends of […]