Tower Cranes’ Function in High-Rise Building Projects
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Tower Cranes’ Function in High-Rise Building Projects

Tower cranes are a prominent feature of any city’s skyline. They are some of the most important pieces in construction machinery. Construction companies use tower cranes to lift heavy items such as steel and concrete. Tower cranes can also be used to transport large items such as motors, generators and acetylene torchers.

Tower cranes are much smaller than high-rise structures and can be easily undervalued for their lifting power. These are some of the most common questions we get about Tower Cranes.

  • How does the tower crane keep its balance?
  • How much does the tower crane price?
  • How can you lift such a heavy load?
  • Is the crane increasing in height with the building?

This essay will cover the fundamental operating concepts of tower cranes.

Tower Crane Components

Three components are essential to a tower crane: the base, the mast, or tower, and slewing.

BASE

As the crane’s main support, its base is what serves as its foundation. The crane’s base is attached to a solid concrete foundation which supports the entire structure.

MAST OR TOWER

The supporting structure attached to the base provides the crane’s height. A large triangulated lattice structure is attached to the mast, which provides strength.

UNIT FOR SLEWING

The crane can spin around its axis due to the slewing device, which consists of a motor and gear mounted at the top mast. The slewing device itself is composed of three parts.

Work arm or jib

A horizontal piece that supports the load, with a trolley running down its length to transport the load.

shorter horizontal component

The load-lifting motor is held by a shorter horizontal component called a machinery arm. It also includes a cable drum, electrical controls and concrete counterweights to help maintain balance.

Operator’s cabin

This is the area where every crane operation is controlled by its operator.

Specifications for a Tower Crane

These are the most common specifications for tower cranes, but they may vary depending on type and manufacturer.

The maximum height unsupported is 80m, or 265ft. Because the crane rises around it, the crane may reach higher if it’s linked to it. Maximum reach: 70m or 230ft Maximum lifting capacity: 18.2 tonnes or 19.8 tonnes. 20 tons of counterweights or 16.3 tonnes

Maximum load is 18 metric tons. However, cranes cannot lift that much weight if the load is near the end of the job. The crane can safely lift more weight if the cargo is closer to the mast.

Operators have two limit switches to prevent overloading: a maximum load switch keeps the crane from being bent by the load, keeping it below 18 metric tons; and a maximum moment switch.

When tower cranes are used on construction sites, it is important to keep an eye on the weather.

If the structure or load is made unstable by strong winds, it could lead to a collapse. Monitoring weather reports is important for project managers. Avoid lifting during bad conditions.

A weather monitoring system at the project locations can issue warnings about dangerous wind conditions that cannot be predicted by forecasts.

Crane Support System for Towers

One of the first questions that people ask when they see a tower crane is whether or not it is upright. There are many factors that influence the stability of a tower crane. A few weeks prior to the crane’s arrival, the concrete pad was created by a construction company. The concrete pad is typically 30x30x4ft (10x10x1.3m) in size and weighs approximately 400,000 pounds. Large anchor bolts are used to support the crane’s base. They are permanently fixed in concrete pad.

Tower Cranes’ Function in High-Rise Building Projects
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