Soil Nailing: An Effective Slope Stabilization Technique

Sharma, Mahesh; Samanta, Manojit; Sarkar, Sutanu

doi:10.1007/978-3-319-77377-3_9

Cited by 22 publications

(10 citation statements)

References 39 publications

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“…It was estimated that the pull-out capacity of nail improves to a sufficient extent as the count of helical plates increases from 1 to 2 and then to 3. Once the helical plate was announced along the shaft of nail, the bearing area has increased as a result, compaction of soil between helical plates occurs easily [38]. Numerical modelling was conducted on decomposed granite fill with nail using ABAQUS software to calculate the pull-out resistance of nail.…”

Section: Figure 8 Soil Nail With Helical Platesmentioning

confidence: 99%

Performance of Soil Nailing for Slope Stabilization-A Review

Bathini

Krishna

2022

IOP Conf. Ser.: Earth Environ. Sci.

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A landslide is a geological event involving a wide range of ground motions that leads to the collapse of soil slope. The stabilization of these soil slopes is done by constructing retaining walls to withstand lateral soil pressure. These retaining walls are costly as well as it is difficult to construct as they require wide excavation for the base or bottom slab. One of the many new solutions to slope stabilization is the soil nailing built by strengthening the steep slope by driving reinforcement into the soil. In this study, a review of the origin and mechanism of soil nailing, the construction process of soil nailed retaining walls were discussed. The failure pattern of soil nails is an important factor to be noticed which influence the stability of soil slope was discussed. Numerical studies were given, which are used to determine the adverse effect of orientation and inclination of nails on the stability of soil nailed walls. A couple of case studies were discussed to evaluate the significance of soil nailing on the stability of the slope and to retain the vertical cut. A Laboratory study was considered to estimate the effect of nail inclination and different nail arrangements on settlement of soil slope. A sequential literature review investigates the application, advantages and disadvantages of soil nailing. This study shall help in understanding the various applications of soil nailing in the civil engineering sector.

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Section: Figure 8 Soil Nail With Helical Platesmentioning

confidence: 99%

Performance of Soil Nailing for Slope Stabilization-A Review

Bathini

Krishna

2022

IOP Conf. Ser.: Earth Environ. Sci.

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“…Thanks to its advantages, nowadays, soil nailing is a common practice for the support of excavations and specific guidelines are available in many countries (e.g., Geoguide7 2008;EN 14490:2010EN 14490: 2010. On the contrary, its application to the stabilization of natural unstable slopes advances more slowly, even if many works that explain soil nailing effects on landslides have already been published (Turner and Jensen 2005;Ng et al 2007;Pun and Urciuoli 2008;Bisson et al 2015;Sharma et al 2019;Cola et al 2019).…”

Section: Composite Anchorsmentioning

confidence: 99%

Innovative passive reinforcements for the gradual stabilization of a landslide according with the observational method

Brezzi

Bisson²,

Pasa

et al. 2021

Landslides

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A large number of landslides occur in North-Eastern Italy during every rainy period due to the particular hydrogeological conditions of this area. Even if there are no casualties, the economic losses are often significant, and municipalities frequently do not have sufficient financial resources to repair the damage and stabilize all the unstable slopes. In this regard, the research for more economically sustainable solutions is a crucial challenge. Floating composite anchors are an innovative and low-cost technique set up for slope stabilization: it consists in the use of passive sub-horizontal reinforcements, obtained by coupling a traditional self-drilling bar with some tendons cemented inside it. This work concerns the application of this technique according to the observational method described within the Italian and European technical codes and mainly recommended for the design of geotechnical works, especially when performed in highly uncertain site conditions. The observational method prescribes designing an intervention and, at the same time, using a monitoring system in order to correct and adapt the project during realization of the works on the basis of new data acquired while on site. The case study is the landslide of Cischele, a medium landslide which occurred in 2010 after an exceptional heavy rainy period. In 2015, some floating composite anchors were installed to slow down the movement, even if, due to a limited budget, they were not enough to ensure the complete stabilization of the slope. Thanks to a monitoring system installed in the meantime, it is now possible to have a comparison between the site conditions before and after the intervention. This allows the evaluation of benefits achieved with the reinforcements and, at the same time, the assessment of additional improvements. Two stabilization scenarios are studied through an FE model: the first includes the stabilization system built in 2015, while the second evaluates a new solution proposed to further increase the slope stability.

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“…In addition to layering, geosynthetics can be utilized to form Geosynthetic Confined Soil (GCS) that may function similar to a retaining structure or supporting column (Turnbull 2017). A recent review of geosynthetic reinforced slopes including suitability, failure mode, analysis, design, and methodology was conducted by Shukla et al, 2011. Geogrids (sometimes referred to as geocells) may be especially beneficial in cases with low cohesion and a high internal angle of friction (Sharma et al 2019b). These materials can be used in multiple ways as a flexible load bearing or stabilization device, such as a geocell retaining wall (Li et al 2011).…”

Section: Mechanical Stabilizationmentioning

confidence: 99%

Erosion control of earth covered magazines to maintain minimum cover requirements

Shannon¹

2019

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Soil erosion of cover for earth covered magazine (ECM) storage presents a unique challenge to traditional embankment practices. Due to the strict guidelines on the necessary soil cover, as well as material allowed for use in erosion deterrence, many traditional soil erosion techniques are not allowable. This report investigates current soil erosion techniques and their applicability to magazine cover focusing on regulations, costs, and ease of implementation. The techniques investigated were based on currently used techniques from 2003 to the present but did not include researchonly stage mechanisms. The objective of this research effort was to investigate currently available erosion mitigation methods and their feasibility for ECM application. Main areas of concern for ECMs are envisioned to be cost, ease of implementation, and potential for added debris. Based on the reviewed literature, it appears that chemical or vegetative stabilization are likely the best methods for ECMs' erosion prevention. This assumes that simple soil compaction is not adequate, as it is otherwise generally the best approach. After a selection is made of a proposed solution to this issue, additional testing is suggested as a proof of erosion deterrence. DISCLAIMER: The contents of this report are not to be used for advertising, publication, or promotional purposes. Citation of trade names does not constitute an official endorsement or approval of the use of such commercial products. All product names and trademarks cited are the property of their respective owners. The findings of this report are not to be construed as an official Department of the Army position unless so designated by other authorized documents. DESTROY THIS REPORT WHEN NO LONGER NEEDED. DO NOT RETURN IT TO THE ORIGINATOR. DISCLAIMER: The contents of this report are not to be used for advertising, publication, or promotional purposes. Citation of trade names does not constitute an official endorsement or approval of the use of such commercial products. All product names and trademarks cited are the property of their respective owners. The findings of this report are not to be construed as an official Department of the Army position unless so designated by other authorized documents.

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Soil Nailing: An Effective Slope Stabilization Technique

Cited by 22 publications

References 39 publications

Performance of Soil Nailing for Slope Stabilization-A Review

Performance of Soil Nailing for Slope Stabilization-A Review

Innovative passive reinforcements for the gradual stabilization of a landslide according with the observational method

Erosion control of earth covered magazines to maintain minimum cover requirements

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