McLanahan

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McLanahan offers a wide selection of Impact Crushers for quarried limestone and semi-abrasive minerals. McLanahan draws from the 75 years of field experience with the Universal line of Impactors, which includes impact breakers and Andreas-style impactors. At present, we offer the New Holland-style primary impact breaker and the MaxCap X-Series Primary, providing a means to reduce quarry shot and ROM materials at rates exceeding 2,000 tph. We also offer VersaCap P-Series Impactors for heightened portability as a primary crusher. The VersaCap R-Series is also designed to accept large top size in highly friable materials, and will allow for single crusher reduction to 1-1/2” minus product. In the case of limestone and similar materials, we offer the NGS Impact Crusher as a secondary impactor, which is capable of producing construction grade aggregates or minerals of like size. These five lines of horizontal shaft impactors are available in multiple sizes to provide us the ability to offer the most appropriate crusher for your specific application. 

Stabilization of Marginal Soil in New and Existing Right

stabilization is a geotechnical method that can be used to improve the bearing capacity or stiffness of soil in these right-of-way. Mass stabilization involves mixing binding agents into soil subject to treatment while the soil remains in-place or insitu. Variations in the design or areas subject to treatment can be used to address transmission of

V Works Mobile Mix Concrete Uses

V Works Mobile Mix Concrete Uses. Batch Plant. When used as a mobile concrete batch plant, each V Works Mobile Mix Concrete truck can produce, at the job site, up to 60 cubic yards of high quality, fresh concrete per hour.

Guide to Cement-Modified Soil (CMS)

one more resembling a friable, granular soil/aggregate. Made Rigid Pavement Concrete Subbase Subgrade Asphalt Base Subbase Subgrade Flexible Pavement Figure 1.2. Terminology used in rigid and flexible pavement systems. 2 Guide to Cement-Modified Soil (CMS)

(PDF) Review on Soil Stabilization Techniques

Review on Soil Stabilization Techniques. Article ... Labor atory mixer was used in K olias et al. (2005) ... sand, and aggregate in concrete, the effect of tyre and tile waste on workability ...

Stabilization Soil Mixing Plant With Stabilized Soil Mixing

JS1000 twin shaft forced concrete mixer by our company owns the following features: small linear velocity,good abrasion resistance and low energy cost,good mixing quality,high production efficiency,easy operation, ease to maintenance,low power cost and long life for quick-wear parts,which can be used independent and also be used as the part of ...

206 Lime Stabilized Subgrade

Contractor Designed Lime Soil (206.06 & 205.07) Use this section to verify that the soil will increase in strength when the lime is added to the soil. Unconfined strengths are determined to detail the strength gain. This information can be used to make field adjustments if problems develop in the field.

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Road Milling Machine Soil Stabilizer Equipment Cold in Place

Whether you are looking for concrete or asphalt road milling machine, RMM can handle all your milling needs. Our road milling machine for sale comes in different sizes to address various industry needs. At RMM, we also manufacture high quality wear parts for all our soil stabilizer equipment and pavement milling machines.

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Soil Stabilization Plants Archives

Jun 02, 2017 · These will be categorized under concrete machinery, specifically where the concrete batching plants and concrete mixer transport trucks are sold. You can look at what they have available, and by comparing different companies that are selling similar stabilized soil mixing plants, you can get one that is affordable.

Lime Soil Stabilization Method and Factors Affecting it

Lime-Soil stabilization is the process of adding lime to the soil to improve its properties like density, bearing capacity etc. Various factors affecting lime-soil stabilization are soil type, lime type, lime content used, compaction, curing period and additives which are briefly discussed below.

Mobile Concrete and Grout of Alaska

Alaska Concrete Technologies Inc. dba Mobile Concrete and Grout of Alaska is a locally owned company incorporated in 2000, providing concrete and grouting services throughout Alaska. Terry Waschke, owner, has over 40 years of experience in the production, pumping, and quality control of concrete and grout.

Lime & Cement Stabilisation Process

Dec 08, 2018 · Lime & Cement Stabilisation Process . Introduction. Soil stabilisation, in terms of pavement construction, is the process of (usually insitu) pulverising and moisture conditioning by mixing various binders with soil, compaction and trimming as necessary.

(PDF) Use of Cement Hydration Stabilizer Admixture at Ready

Use of Cement Hydration Stabilizer Admixture at Ready Mix Concrete to Avoid Material Waste ... Use of Cement Hydration Stabilizer Admixture at Ready Mix ... than the cost of the HSA used in the ...

Continuous Mixing Soil Stabilization Equipment, Stabilized

This product has been discontinued and removed from our shelves. Structure Our continuous mixing soil stabilization equipment consists of aggregate batching system, aggregate belt conveyor, mixer, water supply system, finished goods belt conveyor, finished goods storage silos, powder storage and measuring systems, control room, electrical control system and other components.

Use of Recycled Crushed Concrete (RCC) Fines for Potential

evaluated the use of Recycled Crushed Concrete (RCC) Fines for potential soil stabilization. Soil stabilization is the enhancement of subgrade stability to improve ssive pavement layers. Use of RCC fines may not only provide less costly alternatives for subgrade stabilization, but their use may also alleviate . OF INVESTIGATION: 1.

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DEEP SOIL MIXING FOR GROUND IMPROVEMENT

Other additives can be used to fix pollutants in place to prevent leaching or to reduce soil permeability. Deep soil mixing (DSM) is achieved using either a wet or a dry process where metered quantities of additives are injected into the soil through the hollow stem of a rotary drill string fitted to a drilling rig.

Blast Furnace Slag Cement - an overview

4.5 Slag application in soil stabilization. The latent hydraulic properties of blast furnace slag and alkaline activation are also useful in soil stabilization. According to [6], a combination of lime and granulated blast furnace slag is commonly used in South Africa and Australia for soil stabilization. The sulphate in the soil is known to be ...

Used Soil Stabilizers for sale. Caterpillar equipment & more

Used Hamm Raco 550 for sale 4,700 Hours Soil Stabilizer Asphalt recycler CE Marked 25’ Recycling Drum Brand new water pump (800l/min) Brand new Computer The camera has been fitted The machine is in excellent over...

Soil Stabilization - Midstate Reclamation & Trucking

Soil Stabilization can be utilized on roadways, parking areas, site development projects, airports and many other situations where sub-soils are not suitable for construction. Stabilization can be used to treat a wide range of sub-grade materials, varying from expansive clays to granular materials.

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Guidelines for Lime Stabilization

GUIDELINES FOR LIME STABILIZATION. I. Why Use Lime? Lime Stabilization has the potential to reduce initial construction costs through improved subgrade stability and reductions in pavement structure. Lime can also provide greater long term stability of the pavement structure and lower pavement life-cycle costs through reduced

Soil cement

In comparison with granular bases, soil cement bases can be thinner for the same road load, owing to their slab-like behavior that distributes load over broader areas. In-place or nearby located materials can be used for construction - locally found soil, stone, or reclaimed granular base from a road being reconstructed. This conserves both ...

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Soil Cement

Soil cement and cement treated base has advantages over other base materials. Soil cement, like concrete, continues to gain strength with age. Because soil cement base is compacted into a tight matrix during construction, the pavement does not deform under traffic or develop potholes as unbound aggregate bases do.

Remediation of contaminated sites with cement

Approximately 8 acres (32,000 m 2) of soil was contaminated by wood with arsenic, chromium, and polycyclic aromatic hydrocarbons. 8% of Portland cement was used by wet weight of contaminated soil. Both in situ and ex situ processes were utilized to treat over 35,000 cubic meters of contaminated soil.

In-Situ Stabilization/Solidification » Soil Mixing » Geo

In-Situ Soil Mixing, first used in the U.S. in the 1950s, was developed in Europe and Japan in the 1960s, 1970s, and 1980s, after which it was reintroduced into the U.S in the late 1980’s by the principals of Geo-Solutions.

Frequently Asked Questions

If I am trying to reduce my fines in a limestone quarry, should I use a Jaw Crusher instead of a Primary Impactor?

While it is true the Jaw Crusher will create less fines (say, minus 3/16”), it also creates more plus 1-1/2” material to be crushed downstream at the secondary and tertiary stages. Regardless of the type of crushers used downstream, the amount of fines generated in those closed circuit operations will actually be greater than any increase caused by a primary impactor. 

How do the power consumption figures compare between Primary Impactors like the MaxCap and the VersaCap?

Since one employs an expansion chamber over the rotor and the other doesn’t, the MaxCap will perform at ½ hp per ton, while the VersaCap averages ¾ hp per ton. Electric motors will only draw as much power as the crusher needs. However, the theoretical difference in a 500,000-ton quarry or mine is about 90,000 kW/hours. That reflects only the primary crusher, not the added power it takes downstream to also recirculate 30% more rock through the secondary circuit.

Why do I see so many Impact Crushers in concrete recycling when the material is 100% abrasive?

Unlike sedimentary stone, e.g. limestone or sandstone, weathered concrete is very soft and friable. Most concrete pavement is less than 1,500 psi and pre-broken into slabs 2’ to 3’ square.  Due to the friability, they shatter quickly into particles 3” and smaller on the initial pass through the impactor. The hammer wear life tends to be far shorter due to the abrasion, but recirculating loads are minimal for base material. In the case of a mobile contractor, single crusher systems are far more economical when relocating on a regular basis. 

What is the main difference between the VersaCap P-Series and the R-series? Are they both primary impactors?

Yes, they are both primary impactors. In fact, the only real difference is the rotor assembly. The VersaCap P-Series is a primary impactor that accepts 30” boulders in quarried stone, and generates a nominal 6” minus. The VersaCap R-Series uses the same housing, but the rotor is designed specifically for large, highly-friable materials like concrete rubble. In the case of recycling concrete, the R-Series rotor is lighter in weight for portability, and the hammers are thinner, reducing the cost of spent hammers. 

Under what circumstances should I consider automation for adjusting an Impactor?

The MaxCap Primary Impactor comes standard with fingertip control. While not fully automated, it is designed to integrate into any programmable logic controller based system. As for the other impactors, the vast majority of operations will be fine with a simple shim adjustment, which requires no automation. However, the semi-automatic system on the VersaCap and NGS Impactors essentially requires only an electrical control over the hydraulic system, which would be running during operation. Once you find the right setting, and plan to stay consistent, you can add shims, and shut off the hydraulic power unit. If you are anticipating the need to change settings on a regular basis, the full automation system with PLC and touch screen is available and capable of being integrated.