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Compaction grouting
Soil densification equipment injects LMG.
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Perform Work in Tight Access Areas
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Speedy Installation
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Non-Hazardous
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Cost Effective
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Versatile and Fast

COMPACTION GROUTING

Compaction grouting is a specialized technique for in-situ densification of compactable soft or loose soils. A stiff grout is extruded into a soil mass to form an expanding bulb. Maintaining a controllable bulb of grout is the essence of this technique.

Any soil capable of being mechanically compacted can be densified by compaction grouting. The extent and the intensity of soil densification depends on the injection point configurations, the depth of the injections, the grout mix, and the amount of grout injected. Compaction grouting is effective in most man-made fill, organic soil, sand, silt, peat, and most clays.
The improvement of soil strength can be demonstrated by the Cone Penetration Testing Method before and after compaction.

THE SUPERIOR GROUTING BENEFIT

On-site Footprint – small and compact

Mobility – our team can move easily between locations

Cleanliness – minimal waste and clean-up

Responsiveness – multiple crews means we are quick to respond

APPLICATIONS

Compaction grouting is versatile: it lifts, levels, stabilizes, supports, fills, and densifies soil for new construction and existing structures, and it also reduces machinery vibration. Superior Grouting Services has completed hundreds of successful projects involving compaction grouting for:

Building Sites - Site improvement for structural support and prevention of soil liquefaction

Buildings & Structures - Settlement mitigation, foundation stabilization, controlled lifting

Machinery Pads - Controlled lifting and leveling, stabilization, vibration reduction

Tunneling - Surface settlement prevention, heading stabilization

Drilled Piers - Increased end bearing, lifting of settled piers, skin friction development

Pipelines - Lifting to grade without excavation, restoration of deformed pipes

Tiebacks - Anchor development

Hundreds of jobs have established that compaction grouting is an effective and economical method of compacting soils.

FOUNDATION SOIL DENSIFICATION & STRENGTHENING

Compaction grouting can provide an answer to the problem of differential settlement of structures. The versatility of the technique makes it the method of choice for soil densification in areas where access to the site with heavy equipment is difficult or where noise is a problem. Grout injection points can be angled to reach areas under a foundation that otherwise could not be reached.

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Workers operating heavy drilling machinery outdoors.

CONTROLLED LIFTING

Compaction grouting can be used effectively for the controlled lifting of foundations, slabs, and other structures. Lifting takes place when the pressure at the bulb exceeds the weight of overburden, structures, and the shear strength of the soil cone above it. At that point, the soil shears, and the grout pressure lifts the soil and the structure built upon it.

By the careful use of this technique, entire structures can be lifted and leveled to precise specifications. Unlike other lifting or supporting techniques, compaction grouting supports structures and appurtenances on sound soil foundations.

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MITIGATION OF TUNNEL SETTLEMENT

Tunneling generally produces ground movements, which are manifested in the form of surface settlements or the loosening of adjacent soil and rock. Compaction grouting can be used for the prevention of surface settlement, for heading stabilization, and for remedial work in the adjacent soil.

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MATERIALS & EQUIPMENT

Compaction grouting is accomplished by using a lean, thick grout mix of portland cement and silty sand. Natural sands with a range of 25 to 30% silts usually are used. The water content of the grout is adjusted to maintain a slump (ASTM C-143) of 1 to 1.5 in., with a maximum of 2 in.

Superior Grouting Services equipment, capable of achieving grouting pressures of up to 2000 psi, can be operated at distances several hundred feet from the injection site. Superior Grouting’s drilling equipment provides the capabilities of drilling in low overhead tight access work areas.

SUPERIOR GROUTING SERVICES

Superior Grouting Services has extensive experience in all types of pressure grouting for site development, new construction, and the stabilization of existing structures, ranging from large diameter product storage tanks and multi-story buildings to individual homes and buildings of all types. We work closely with owners, engineering firms, contractors, and public agencies throughout the Gulf Coast.

Have a staff that includes engineers with extensive knowledge and experience in soils engineering

Have a broad, in-depth grouting experience that extends over a period of more than 35 years

We know and understand your problems and welcome your inquiries.

Our Accomplishments

Since 1983, Superior Grouting has been a pressure grouting contractor working with various government agencies, large businesses, and corporations. For years, Superior Grouting has been in charge of these customers' specialized pressure grouting and concrete remediation needs.

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Superior Grouting is a top choice for various grouting services in Houston, the entire Gulf Coast Region, and the areas nearby. It holds more than 35 years of experience in the grouting industry. Also, Superior Grouting is known for using the best tools and state-of-the-art equipment in providing clients with the best results.

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