What Are the Sizes of Reinforced Concrete Pipes?


Quick Answer

Standard sizes for precast reinforced concrete pipes are between 12 and 72 inches, with pipes available at nearly all one or two inch increments between these two values. The value measures the pipe's diameter for circular pipes and each of the pipe's axes for elliptical ones.

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Full Answer

In addition to different sizes, reinforced concrete pipes are also manufactured in five different classes represented by the Roman numerals I through V. The different classes refer to an industry value called D-load. D-load is a measure of how much external strain the pipe can withstand before cracking. Class I reinforced concrete pipes have the lowest maximum D-load, with these pipes only crack-resistant to 1,200 pounds. Class V pipes are the most durable, having a maximum D-load of 3,750 pounds. D-load values only apply to external stresses placed on the pipe. Concrete pipes are hard but very brittle, making them completely inappropriate for any high-pressure applications.

The most common uses for reinforced concrete pipes are for transporting storm and waste water. These pipes are frequently installed as storm drains and sewer pipes. Utility companies also make use of smaller diameter reinforced concrete pipes. Telephone and power companies use the pipes to protect buried utility cables from damage or stress. Reinforced concrete pipes have a standard service life of over a century, making them ideal for these types of applications.

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