Fundamentals Of Bridge Design Free PDF Notes

Fundamentals Of Bridge Design Free PDF Notes

 

A bridge is a structure providing passage over an obstacle. The obstacle may be a river, valley, road or railway. The  passage may be for highway or railway traffic, pedestrian, canal or pipeline.


As the saying “Build bridges and you will have a friend” goes, bridges have a unique attribute of connecting different people. Rivers and mountains form physical barriers between people to interact, trade with one another, live and work together. For Ethiopia this holds especially true as the country is known as “The Water Tower of Africa” due to the high
rainfall we receive, which resulted in quite many big rivers dissecting the rough terrain and flowing deep in the valleys. Consequently we are composed of people speaking about 82 different languages.


Transportation network is crucial for the development and prosperity of a country. Investment by both nationals and foreigners is crucial for economic development of a country, and one of the criteria that foreign investors weigh in their investment decisions in a country is the level of development of the transportation network. Bridges provide essential
links in highways and railways at obstacles. The cost of bridges (and culverts) is a significant proportion of a highway project.


Many cities and towns are established near rivers and bridges add to the beauty of cities and towns. Bridges aid the social, cultural and economic improvements of the locations around them.


Bridges also have military strategic importance. The mobility of an army at war is often affected by the availability or otherwise of bridges to cross rivers. Military training puts special emphasis on learning how to build new bridges quickly while advancing and destroy bridges while retreating.


Bridge engineering is one of the fascinating fields in civil engineering calling for expertise in many areas: structural analysis and design, geotechniques, traffic projection, surveying, runoff calculation and methods of construction. A bridge engineer has to have an appreciation of economics and aesthetics besides ability in analysis and design.

 

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Traffic And Pavement Engineering Free PDF

Traffic And Pavement Engineering Free PDF

 

This book implements a unique kind of approach and categorizes transportation engineering topics into fve major key areas, as shown below:
    • Volume I: Traffic and Pavement Engineering
      • Part I ”Traffic Engineering” deals with the functional part of transportation systems and introduces engineering techniques, practices, and models that are applied to design traffc systems, control traffc fow and movement, and construct proper roads and highways to achieve safe and effcient movement of people and traffc on roadways.
      • Part II ”Pavement Materials, Analysis, and Design” deals with both the structural and functional parts of transportation facilities and introduces engineering techniques and principles of the uses of high-quality and sustainable materials that are employed to design, maintain, and construct asphalt-surfaced road pavements and concrete rigid pavements. The ultimate goal of pavement engineering is to provide a pavement structure that is safe, durable, sustainable, and capable of carrying the predicted traffc loads under prevailing climatic conditions. Proper structural design of pavements is one that takes into consideration the mechanistic analysis of pavements for stresses and strains that can predict the performance of the pavement with time. This section fulflls this goal by presenting the subject in a unique manner.
  • Volume II: Highway Planning, Survey, and Design
    • Part I ”Urban Transportation Planning” presents a process that involves a multi-modal approach and comprehensive planning steps and models to design and evaluate a variety of alternatives for transportation systems and facilities, predict travel demand and future needs, and manage the facilities and services for the different modes of transportation to fnally achieve a safe, effcient, and sustainable system for the movement of people and goods.
    • Part II ”Highway Survey” presents the basic concepts and standard procedures necessary to make precise and accurate distance, angle, and level measurements for highway alignment, cross-sections, and earth quantities used in the design of highways.
    • Part III ”Geometric Design of Highways” deals with engineering design techniques, standards, and models that control the three main elements of highway geometric design: horizontal and vertical alignments, profle, and cross-section to achieve the primary objectives of geometric design: safety, effciency, and sustainability.

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Advanced UAV Photogrammetry – Planning and Execution Video Lessons

Advanced UAV Photogrammetry – Planning and Execution Video Lessons

 

It is a Drone Mapping Tutorial. Master image acquisition, flight planning and learn all about GCPs from a professional surveyor!

  • Recommended equipment for UAV Photogrammetry.
  • Optimal camera and drone settings for image acquisition.
  • Optimal GCP distribution, marking and measurement.
  • Planning and execution of UAV Photogrammetry missions in various apps.
  • Planning the flight boundary in KML file.
  • UAV Photogrammetry theory.
  • Planning the location of GCPs (Ground Control Points).
  • Calculation of GCP’s elevation coordinate in relation to the existing survey marks.
  • Various image acquisition plans.

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SolidWorks 2020 Step-By-Step Guide Free PDF

SolidWorks 2020 Step-By-Step Guide Free PDF

 

This book starts with SolidWorks 2020 using step-by-step examples. It begins with creating sketches and parts, assembling them, and then creating print ready drawings.

This book gives you an idea about how you can design and document various mechanical components, and helps you to learn some advanced tools and techniques.

This book also follows some of the best practices in creating parts. In addition to this, there are some additional chapters covering sheet metal and surface design. Each topic in this book has a brief introduction and a step-by-step example. This will help you to learn SolidWorks 2020 quickly and easily.

  • Go through with the User Interface.
  • A step-by-step practice to create sketches and 3D models.
  • Teach you about advance Part Modeling tools.
  • Learn the procedure to create Multiple-body parts.
  • Learn to modify components at each step.
  • Learn to create assemblies.
  • Learn Top-down assembly design.
  • Learn to create 2D drawings.
  • Learn basic tools available in Sheet Metal and Surface Environment.
  • Create sheet metal drawings.

 

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AutoCAD 2021 Beginners Guide Free PDF

AutoCAD 2021 Beginners Guide Free PDF

 

The topics covered in this book are illustrated with the help of real world examples such as gaskets, flanges, brackets, schematic line diagrams, and more. Also, this book is well organized and can be used for a course or self-study.

  • Get familiarized with user interface and navigation tools.
  • Create print ready drawings.
  • Create smart drawings using parametric tools.
  • Have a good command over AutoCAD tools and techniques.
  • Explore the easiest and quickest ways to perform operations.
  • Know how to reuse existing data.
  • Create 3D models and generate 2D drawings.

 

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To download free Autocad Files visit www.cadtemplates.org

 

You can also download Autocad 2022 Beginners Guide Free PDF

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