Engineer Hunter

A tower crane holds a heavy load far out on a long arm, high above the city. So why doesn't it fall over? The short answer: it works like a seesaw. A heavy counterweight on the short arm balances the load on the long arm. The seven parts of a tower crane Mast: the tall steel lattice tower. Slewing unit: a giant turntable that lets the top spin all the way round. Jib: the long arm. Trolley and hook: the trolley runs along the jib and carries the hook. Counter-jib: the short arm behind the mast. Counterweight: big concrete blocks at the end of the counter-jib. Foundation: a massive concrete base that the mast is bolted into. Three moves Hoist: a winch raises or lowers the hook. Trolley: the trolley rolls in and out along the jib. Slew: the whole top turns on the turntable. Together, these three moves can place a load anywhere inside a circle about 100 m wide. Balance: weight × distance = moment A weight far from the mast tries to turn the crane. Engin...

Slope Stability Analysis Explained: Will This Slope Stand? Engineers answer that question with one number, the factor of safety (FS) . It compares the forces that resist sliding along a slip surface with the forces that drive it. Above 1 the slope stands. Below 1 it slides. The resisting side comes from the soil's shear strength (Mohr-Coulomb), and water pressure in the soil lowers it. That is why many landslides happen after heavy rain. The analysis follows five steps: investigate the site, assume a slip surface, compute FS, search for the critical surface, and check every condition (long-term, short-term, earthquake, rapid drawdown). The main methods are: Infinite slope, for shallow slides parallel to the surface Ordinary method of slices (Fellenius) Bishop's and Janbu's simplified methods Spencer and Morgenstern-Price, the rigorous limit equilibrium methods Finite element strength reduction, which needs no assumed surface In practice we never design for FS = ...

A door can move. A wall cannot. The difference is degrees of freedom : the number of independent ways a structure can move. This video explains the idea in about 7 minutes, with animations, and shows why every structural engineer needs it. What you will learn What a degree of freedom is. A block on a table has 3 (two slides and one spin). A body free in 3D has 6. Joints and members. Each joint of a 2D truss has 2 degrees of freedom, a 2D frame joint has 3, and a 3D frame joint has 6. The structure and its connections decide the count. Supports remove freedom. A roller removes 1, a pin removes 2, and a fixed support removes 3. Every restraint adds a reaction. Counting for stability. For a planar truss, compare the unknowns (members + reactions) with the equations (2 per joint). Fewer unknowns than equations means a mechanism, equal means statically determinate, more means indeterminate. A passing count is not enough: the arrangement of members and supports must also be stab...

What does a civil engineer actually do? The road you drove on, the bridge you crossed, the water in your tap: none of it happened by accident. In this video, we break down what civil engineers actually do and explore four of the biggest specialties:   🏗️ Structural engineering: keeping buildings, bridges and towers standing safely  🌍 Geotechnical engineering: understanding the soil and rock beneath every structure  🚦 Transportation engineering: designing how people and goods move  👷 Construction engineering: turning drawings into reality on site  If you're curious about engineering, this is a great place to start.  Subscribe to Engineer Hunter for more engineering explained simply.   #CivilEngineering #Engineering #StructuralEngineering #GeotechnicalEngineering #TransportationEngineering #ConstructionEngineering #EngineerHunter Enjoy the video below. More about us: Donate Us: https://www.patreon.com/c/EngineerHunter Shop: https://www.patr...

Cubic Spline Interpolation for Beam Deflection In this video, we explore how cubic spline interpolation can be used to accurately model beam deflection, a key concept in structural and mechanical engineering. Starting from discrete data points, we demonstrate how smoother and more realistic curves are generated compared to linear or lower-order interpolation methods. Using Python, the video walks through the process of implementing cubic splines to analyze deformation under load, highlighting both the mathematical intuition and practical application. Whether you're a student, engineer, or data enthusiast, this tutorial provides a clear and visual understanding of how interpolation techniques improve the accuracy of beam analysis. Enjoy the video below. File used in this video: link More about us: Donate Us: https://www.patreon.com/c/EngineerHunter Shop: https://www.patreon.com/engineerhunter/shop TikTok: https://www.tiktok.com/@engineerhunter Facebook: https://www.facebook.com/Engi...

Concrete Beam and Column Design in SCIA Engineer 🔧 Concrete Beam & Column Design in SCIA Engineer | Step-by-Step Tutorial In this video, we dive deep into the design of reinforced concrete beams and columns using SCIA Engineer. Whether you're a civil engineering student or a practicing structural engineer, this tutorial will guide you through the essential workflow and practical steps needed to perform accurate structural design. 📌 What you will learn: - Modeling concrete beams and columns in SCIA Engineer   - Assigning materials, cross-sections, and loads   - Understanding internal forces (N, V, M)   - Reinforcement design according to Eurocode   - Interpreting results and design checks   - Tips to avoid common mistakes in SCIA modeling   💡 This tutorial is perfect for engineers working with Eurocode standards and those looking to improve their structural design skills using advanced software. 🛠 Software used: SCIA Eng...

SCIA Engineer Base Plate Design In this video, we demonstrate the step-by-step process of base plate design in SCIA Engineer. You’ll learn how to model the column base, apply loads, define anchor bolts, and perform design checks according to relevant standards. Perfect for structural engineers and students who want a clear and practical guide to designing steel base plates efficiently. Enjoy the video below. More about us: Donate Us: https://www.patreon.com/c/EngineerHunter Shop: https://www.patreon.com/engineerhunter/shop TikTok: https://www.tiktok.com/@engineerhunter Facebook: https://www.facebook.com/EngineerHunterSE Instagram: https://www.instagram.com/engineerhunter Threads: https://www.threads.net/@engineerhunter Twitter: https://twitter.com/Engineer1Hunter Telegram: https://t.me/engineerhunter Blogger: https://engineer-hunter.blogspot.com