Installation of a Pit Fence in Cramped Conditions

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Abstract

The construction of buildings and structures in cramped conditions requires a special approach from hydraulic engineers and builders, requiring the preservation of the surrounding development in a working condition. This circumstance requires a geotechnical forecast of deformations of objects falling into the zone of geotechnical influence of the construction of a building under construction at the design stage and then the organization and implementation of geotechnical monitoring of deformations as a result of construction and installation work. It should be noted that the objects of the surrounding development can be in different categories of technical condition. According this circumstance the permissible deformations may be different. In any geotechnical case, there is an urgent need to install excavation fences that perform a dual task: both ensuring the stability of the soil walls, and reducing the impact of the new construction object on existing buildings. The determination of the bearing capacity of the enclosing structures of the excavation, especially the retaining soil anchors themselves, is of great importance in modern geotechnical construction. The engineering method used in this article to determine the bearing capacity of drilling-injection anchors with sufficient accuracy for technical calculations showed the convergence of calculated and real values based on the results of static tests.

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About the authors

N. S. Sokolov

Chuvash State University named after I.N. Ulyanov; LLC NPF "FORST"

Author for correspondence.
Email: ns_sokolov@mail.ru

Candidate of Sciences (Engineering), Director

Russian Federation, 15, Moskovsky prospect, Cheboksary, 428015, Chuvash Republic; 109a, Kalinina Street, Cheboksary, 428000, Chuvash Republic

References

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Supplementary files

Supplementary Files
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2. Fig. 1. A fragment of the plan of the excavation enclosure using ERT drilling piles (RIT, FORST, ERST) and ERT ground anchors

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3. Fig. 2. Vertical anchoring of the excavation fence using ERT drilling piles (RIT, FORST, ERST) and one belt of ERT ground anchors

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4. Fig. 3. Vertical anchoring of the excavation fence using ERT drilling piles (RIT, FORST, ERST) and two belts of ERT ground anchors on two levels

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5. Fig. 4. The scheme for determining the bearing capacity of the ground anchor ERT on the ground for the case of a uniaxial scheme

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6. Fig. 5. Calculation scheme for determining the bearing capacity of the two-belt ground anchors ERT

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