Landslide Repair in Nebraska

Landslide Repair in Nebraska

Engineered landslide repair across Nebraska—I-80. Design/build solutions for NDOR corridors and critical infrastructure.

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Drill rig working on Ohio Henry County slope stabilization project

Landslide Repair Across Nebraska

Nebraska's landslide exposure is concentrated in the loess bluffs along the Missouri River and the Platte River valley, where NDOR crews see the same vertical-jointing, moisture-sensitive loess failure behavior found in neighboring Kansas and Iowa — a soil type that dominates Nebraska's slope stability challenges more than any single rock formation does.

It's a recurring example of the Steep Slope Stability Issues conditions NDOR and local owners manage statewide.

Geohazard Mitigation in Nebraska

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How GSI Delivers Landslide Repair in Nebraska

Soil Nail Wall Reinforcement

GSI's soil nail pattern for Nebraska loess bluffs is designed around the material's characteristic vertical jointing, targeting the joint-controlled failure surfaces loess produces rather than assuming a curved clay-type failure geometry. This is one application of GSI's broader soil nailing expertise.

Deep Drainage Systems

Because Nebraska loess loses most of its strength when saturated, horizontal drains are prioritized as a primary — not supplementary — stabilization measure on the state's loess bluff corridors. GSI's Soil Nail Launcher™ experience informs this approach.

Launcher Technology for Difficult Soils

Disturbed loess collapses around a conventional borehole almost immediately — the Soil Nail Launcher™'s non-excavation approach is often the only reliable installation method on Nebraska's steepest loess bluffs. This draws directly on GSI's horizontal drains work.

GSI's landslide emergency response experience also informs how these Nebraska projects are scoped from the start.

Nebraska Landslide Repair Process

GSI follows a systematic five-step process to deliver landslide repair solutions in NDOR corridors and beyond.

Step 1

Site Assessment

GSI engineers evaluate conditions and severity at your Nebraska site.

Step 2

Root Cause Investigation

In-house geologists investigate the specific conditions driving the issue, referencing Nebraska's Ogallala Formation caprock and Niobrara chalk bluffs.

Step 3

Engineered Solution Design

Custom design matched to Nebraska's site-specific geology, hydrology, and infrastructure loading.

Step 4

Design/Build Execution

One team executes the engineered solution under a single NDOR-ready contract.

Warranty

Design/build/warranty coverage on every landslide repair solution installed in Nebraska.

Warranty

Design/build/warranty coverage on every landslide repair solution installed in Nebraska.

Slope failure

Why Nebraska Trusts GSI for Landslide Repair

Engineered for Nebraska's conditions. GSI treats Nebraska's loess bluffs as the dominant, distinct soil type they are — engineering around vertical jointing and moisture sensitivity rather than generic slope assumptions. Supported by general contractors and asset owners.

Design/build delivery. Engineering and construction remain under one team — closing the communication gaps that separate design from construction.

NDOR specification compliance. Documentation and construction methods meet state DOT standards from the initial submission.

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Nebraska Clients Report on Landslide Repair

NDOR partners and Nebraska infrastructure owners describe GSI's landslide repair results.

Landslide Repair for Homeowner in Colorado

I would like this to be a letter of appreciation and gratitude on a job well done. Our house was first threatened by a landslide back in June, 2017 and it has been a journey that has been both stressful and scary. And yet, every cloud has a silver lining and in this case the support, encouragement and character of everyone we met from GSI has indeed been a gift throughout this journey.

GSI was recommended by Steve Pawlak and we met Nathan Thompson early on. Nathan is a person who inspires trust and our first impression was verified throughout the process that led to a retaining system that has saved our house. As with everyone, and I mean everyone we met, we felt we had a group of people who were on our side.

There were challenges that were overcome; the patience needed along with several visits to get the project underway, a renegotiated plan and bid when the insurance settlement squeezed the payment amount, and a time crunch that led to a change in plans where the panels were poured on the hillside, that allowed for the project to be started as quickly as possible.

The crew that showed up to do the work was respectful, always ready to explain what was happening and was also timely, hard working and ready to go the extra mile. A great group of people with positive attitudes who seemed to genuinely work well together.

Watching Spike work on that excavator was awe inspiring. One of my favorite moments was filming him on my phone to show my office secretaries at the Elementary School. I recorded a "holy shit" without knowing it when he pulled off an amazing stunt coming off a ledge and then being horrified when that came out while I was sharing the video at school. I was able to laugh later.

Thank you again and if I can ever serve as a reference, please let me know.

Emergency Landslide Repair in Wyoming

In 2017, another well above normal snowpack winter and heavy spring rains resulted in 23 new landslides, which damaged or threatened WYDOT roads. WYDOT turned to GSI to help respond to these emergency situations. GSI was able to respond very quickly and in most cases had personnel on site to assess the site within 24 hours. They would provide a proposal for remediation with a preliminary design and estimated costs within 48 hours in most cases. During 2017, GSI was selected to perform remediation with contracts at six separate sites. In all cases, they were prepared to mobilize to the sites and begin work within a week of being given notice to proceed.

A unique element of these emergency contracts was a partnership, between WYDOT and GSI, by which WYDOT provided some logistical support such as traffic control and providing water for drilling operations so that GSI could focus its efforts on performing the specialty work. This arrangement resulted in cost effective, efficient, successful projects. When responding to emergency landslide repair, time truly is money, the sooner a landslide can be remediated before it has a chance to grow, the less expensive it is to repair. In the past, WYDOT has experienced situations in which, landslides could possibly have been remediated quicker, experienced further failure during drawn out conventional design and contracting methods resulting in higher costs due to the additional failure. GSI uses various types of innovative geo-technology in their landslide remediation projects….

All of these projects were completed on schedule, even with cold weather conditions and snow storms ….

All of the stabilization projects that GSI completed for WYDOT included a warranty to repair any of the remediation that would happen to fail, but to date none of the work that they have performed has required any repair. I would highly recommend GeoStabilization International to perform emergency landslide and slope remediation work. They have the resources, personnel, and expertise to respond to your emergency in a timely, professional manner.

Slope Stabilization and Landslide Repair in Pennsylvania

[We have] worked with GeoStabilization International (GSI) for over 10 years. GSI is our “go to contractor” for difficult slope stabilization projects. We have worked with GSI to stabilize steep slopes and remediate landslides on numerous projects along highways, pipelines and railroad right-of-ways. We have found them to be an excellent partner and one of very few contractors capable of working in areas with remote/difficult access. Their experienced equipment operators are able to work efficiently under difficult and often hazardous conditions, and yet maintain the project schedule… [We have] recommended GSI to clients and subcontracted them sole source on … design-build projects. I have no reservations recommending GSI for geohazard mitigation type work on pipeline right-of-way or other projects requiring slope stabilization.

Landslide Repair in Nebraska

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