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Why the Leaning Tower of Pisa is Tilted

Why the Leaning Tower of Pisa is Tilted
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Why the Leaning Tower of Pisa is Tilted

The Leaning Tower of Pisa is located in the Italian city of Pisa and is a freestanding bell tower of the city's cathedral. The tower is famous for its four-degree lean and is the t ...

The Leaning Tower of Pisa is located in the Italian city of Pisa and is a freestanding bell tower of the city's cathedral. The tower is famous for its four-degree lean and is the third oldest structure in the city's Cathedral Square. The tower is 183.27 feet tall from the grou ...

What is a Cantilever Bridge?

What is a Cantilever Bridge?
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What is a Cantilever Bridge?

Cantilever bridges are designed for road or rail traffic and typically built from structural steel or boxed girders made from prestressed concrete. The defining feature of a cantil ...

Cantilever bridges are designed for road or rail traffic and typically built from structural steel or boxed girders made from prestressed concrete. The defining feature of a cantilever bridge is, well, a cantilever. Cantilevers are structures that project horizontally with suppor ...

Symbolism and Design of the St. Louis Arch

Symbolism and Design of the St. Louis Arch
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Symbolism and Design of the St. Louis Arch

In 1947, the St. Louis Arch was designed by the architect Eero Saarinen and built as a weighted catenary arch. Standing at 630 feet, the St. Louis Gateway Arch is the tallest arch ...

In 1947, the St. Louis Arch was designed by the architect Eero Saarinen and built as a weighted catenary arch. Standing at 630 feet, the St. Louis Gateway Arch is the tallest arch in the world, the tallest man-made monument in the Western Hemisphere, and the tallest accessible bu ...

How Engineers Maintain Movable Bridges

How Engineers Maintain Movable Bridges
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How Engineers Maintain Movable Bridges

Movable bridges tend to be an expensive investment because of the size of the bridges and the controls needed to operate them. These bridges have more costly maintenance issues tha ...

Movable bridges tend to be an expensive investment because of the size of the bridges and the controls needed to operate them. These bridges have more costly maintenance issues than fixed bridges because of the complexity of mechanical, electrical, and structural components despi ...

How are Windmills Manufactured and Assembled?

How are Windmills Manufactured and Assembled?
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How are Windmills Manufactured and Assembled?

Windmills have been around for thousands of years, first being used to grind grain and pump water, and eventually generating electricity. A generator helps in creating electricity ...

Windmills have been around for thousands of years, first being used to grind grain and pump water, and eventually generating electricity. A generator helps in creating electricity which is converted by the rotational energy of the wind turbine. Palmer Cosslett Putnam designed the ...

The Design Behind the One World Trade Center

The Design Behind the One World Trade Center
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The Design Behind the One World Trade Center

The iconic 1,776 ft One World Trade Center fills the void of the original twin towers representing hope and a stronger future. The towering monolith is located just feet away from ...

The iconic 1,776 ft One World Trade Center fills the void of the original twin towers representing hope and a stronger future. The towering monolith is located just feet away from the World Trade Center Memorial, representative of the past and remembrance during one of our Countr ...

How are Skywalk Bridges Built?

How are Skywalk Bridges Built?
By Ildar Sagdejev (Specious) - Own work, CC BY-SA 4.0, https://commons.wikimedia.org/w/index.php?curid=4411299
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How are Skywalk Bridges Built?

A skywalk bridge may also be known as a skyway or skybridge. It is a connection between two or more buildings which provides a pedestrian walkway in urban areas. A conditioned or u ...

A skywalk bridge may also be known as a skyway or skybridge. It is a connection between two or more buildings which provides a pedestrian walkway in urban areas. A conditioned or unconditioned skywalk can be open, enclosed, encased in glass, for the public, or used strictly for b ...

Design of Horizontal Curves for Roadways

Design of Horizontal Curves for Roadways
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Design of Horizontal Curves for Roadways

The geometric design of roadways is the part of highway engineering that is concerned with how the physical elements are positioned, dependent on standards and constraints. The mai ...

The geometric design of roadways is the part of highway engineering that is concerned with how the physical elements are positioned, dependent on standards and constraints. The main objectives are to optimize safety and efficiency while also minimizing environmental damage and co ...

How to Fix a Bad Foundation

How to Fix a Bad Foundation
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How to Fix a Bad Foundation

The most important structural component of your house is the foundation, and it's easy to overlook since it's buried in the ground. The foundation keeps the structural integrity of ...

The most important structural component of your house is the foundation, and it's easy to overlook since it's buried in the ground. The foundation keeps the structural integrity of the home intact by distributing the weight of the house and walls evenly to the ground. Cracks can ...

How Movable Bridges Work

How Movable Bridges Work
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How Movable Bridges Work

There are many different variations of a movable bridge, but they all have the same purpose; designed to move out of the way to allow the passage of boats or barges. Movable bridge ...

There are many different variations of a movable bridge, but they all have the same purpose; designed to move out of the way to allow the passage of boats or barges. Movable bridges obviously bring to mind "drawbridges", however, there are other variations of movable bridges beyo ...