Tag: cohesive soil

Cohesion is the component of shear strength of a rock or soil that is independent of interparticle friction. In soils, true cohesion is caused by following: Electrostatic forces in stiff overconsolidated clays (which may be lost through weathering).

From Jumping Jacks to Sheepsfoot Rollers – Part 4

From Jumping Jacks to Sheepsfoot Rollers – Part 4

Smooth Rollers
For large-quantity production of compacted granular soils, smooth rollers are the machines of choice. Whether in single-drum or dual-drum configurations, smooth-drum rollers are suitable for compaction of granular soil base layers. This includes building foundations and roadway sub-bases, as well as the compaction of surface courses of asphalt paving.

Compacting for the Long Haul

Compacting for the Long Haul

How do you choose what shoes to wear? Everyday shoes work well for going to work or going out on the town on the weekend. Tennis shoes can be used for those same activities. But you really can’t wear everyday shoes when you work out at the gym. You can’t

Optimum Maintenance for Amazing Machines

Optimum Maintenance for Amazing Machines

It’s pretty amazing when you think about it: We can assemble, connect, and torque together thousands of parts made up of glass, plastic, rubber, circuit boards, and several different types of metal. And that once assembled, will result in some incredible piece of machinery that can load and haul and

Solving Problems Onsite With Geosynthetics

Solving Problems Onsite With Geosynthetics

If the wet conditions are due to excess rain, you could just wait for the site to dry, but that can lead to additional costs and scheduling problems, especially if the equipment is needed elsewhere. If the problem comes from groundwater or drainage issues, waiting will not help. There are

Operator, Please

Operator, Please

Many readers may not remember asking the telephone operator for help. When we couldn’t get the call result we wanted, we asked the operator and she (it was usually a lady) set us in the right direction. We in our dotage will remember that Jim Croce had a hit single

From Jumping Jacks to Sheepsfoot Rollers

Soil compaction is such a basic part of almost every construction project that it often gets overlooked and not given a second thought. But almost every manmade structure rests on a firm foundation of compacted soil. Compacting soil involves the increase of its in-place density to specified depth by means

Soil Compaction: Modern Solutions to an Age-Old Need

Let’s face it. Soil compaction is an old-hat subject. After all, it has been practiced by man for thousands of years. And the fundamental need has remained year after year, millennium after millennium, and it still exists in the millennium just beginning. Today, compaction is being routinely used in virtually

When Digging Beats Scraping

In recent years, many landfills have begun to use hydraulic excavators and trucks to excavate and haul soil. This is in contrast to the traditional method of using scrapers. There are many reasons for the increased popularity of excavators as a mass-excavation tool.

In many situations, an excavator and trucks can

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