Engineers Views

Rigid and Flexible Diaphragm in Earthquake Resisting Buildings

In structural engineering, the terms rigid diaphragm and flexible diaphragm refer to the behavior of horizontal structural elements (like floors or roofs) in distributing lateral forces—such as those from wind, earthquakes, or other dynamic loads—to the vertical elements of a building (e.g., walls, columns, or braces). The classification of a diaphragm as rigid or flexible…

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Direct and Indirect Cost and their optimization for a Construction Project.

In construction project management, understanding costs is essential for effective budgeting and scheduling. Costs are typically categorized into direct costs, indirect costs, and total cost. Additionally, optimizing the total cost involves balancing concepts like normal cost and crash cost, which relate to project duration and resource allocation. Below, I’ll explain each term and outline how…

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Why the Numbers After a Decimal Are Read Separately

Introduction Numbers are a fundamental part of our daily lives, from making purchases to calculating measurements. One peculiar aspect of numbers is how we read those after a decimal point. Unlike whole numbers, where digits are read collectively (e.g., “one hundred twenty-three” for 123), the numbers after the decimal point are read separately (e.g., “point…

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Semiconductors: The Backbone of Modern Technology

Semiconductors are materials that have electrical conductivity between that of a conductor (like copper) and an insulator (like glass). They are the foundation of modern electronics, powering everything from smartphones and computers to medical devices and renewable energy solutions. In this blog, we will explore what semiconductors are, their types, applications, and why they are…

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Difference Between Sentinel and MODIS Satellite and Their Data

Introduction Remote sensing has revolutionized Earth observation, providing critical data for climate monitoring, environmental studies, and disaster management. Among the most widely used satellite missions are Sentinel (by the European Space Agency) and MODIS (Moderate Resolution Imaging Spectroradiometer, onboard NASA’s Terra and Aqua satellites). Although both serve similar purposes, they have distinct differences in terms…

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Standardized Precipitation Evapotranspiration Index (SPEI) in Research: A Comprehensive Guide

Introduction Drought assessment and monitoring are crucial for understanding climate variability and water resource management. Among various drought indices, the Standardized Precipitation Evapotranspiration Index (SPEI) has emerged as a powerful tool in research, offering a more comprehensive approach than traditional indices like the Standardized Precipitation Index (SPI). SPEI considers both precipitation and potential evapotranspiration (PET),…

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