SSC JE 2023-What is Pneumatic Tyred Roller?

You might have heard of a pneumatic tire roller, but do you know what it does and why it matters? This nifty device could show up in your SSC JE exam, and you don’t want to be caught off guard. Relax, we’re here to help. We’ve summarized the essential facts about pneumatic tyred roller in a bite-sized guide.

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What is a Pneumatic Tire Roller?

A pneumatic tire roller is a self-propelled compaction machine used for compacting HMA (Hot Mix Asphalt) by utilizing pneumatic tires. These rollers are equipped with sets of smooth tires, with no tread, on each axle. Usually, there are four tires on one axle and five tires on the other axle.

Uses:

Pneumatic rollers are commonly used in road construction projects, such as building highways, airports, and parking lots. They are effective in compacting materials like asphalt and base layers, ensuring a smooth and durable surface. Pneumatic rollers are also used in soil compaction for applications like embankments, foundations, and trenches. This roller is suitable for silts and low-plasticity soil.

Q. Pneumatic tyred rollers are suitable for compacting:

(a) Silty Soils

(b) Silty and Clayey soils

(c) Clayey soils

(d) Non-plastic silts and fine sands

ANS: (d)

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Day 1	SSC JE SSC JE Civil Engineering 2023 Free Mock Test
Day 2	SSC JE Civil Engineering 2023 Paper 1 Mock Test 1 Know your AIR & Analyze Your Performance
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