{"id":8077,"date":"2025-07-14T19:38:39","date_gmt":"2025-07-14T22:38:39","guid":{"rendered":"https:\/\/vinq.us\/?p=8077"},"modified":"2025-11-13T18:18:58","modified_gmt":"2025-11-13T21:18:58","slug":"monitoramento-geotecnico-avaliacao-percolacao-confiabilidade-controle","status":"publish","type":"post","link":"https:\/\/vinq.us\/en\/monitoramento-geotecnico-avaliacao-percolacao-confiabilidade-controle\/","title":{"rendered":"Geotechnical monitoring and seepage assessment: Reliability, methods and levels of control in critical structures"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"8077\" class=\"elementor elementor-8077\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-7a6dba0 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"7a6dba0\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-d57f358\" data-id=\"d57f358\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-571f43f elementor-widget elementor-widget-text-editor\" data-id=\"571f43f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">The safety and performance of geotechnical structures, such as dams, waste rock piles, and slopes, are closely linked to the quality of field data, the robustness of the monitoring methods adopted, and the effectiveness of hydrological, hydrogeological, and geotechnical assessments, especially regarding seepage. In an increasingly demanding regulatory environment and with structures operating close to their technical and environmental limits, the adoption of best practices in instrumentation, seepage assessment, and data reliability becomes essential for geotechnical risk management.<\/span><\/p><h3><b>Geotechnical Data Reliability: The Foundation for Decision Making<\/b><\/h3><p><span style=\"font-weight: 400;\">Data reliability is the starting point for any model, diagnosis, or decision-making in geotechnical engineering. Inconsistent, poorly calibrated, or untraceable data compromises the entire chain of technical reasoning, potentially resulting in inaccurate risk assessments, ineffective corrective actions, or, in extreme cases, avoidable structural failures.<\/span><\/p><p><span style=\"font-weight: 400;\">Among the factors that compromise reliability, the following stand out:<\/span><\/p><ul><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Inadequate or poorly calibrated equipment;<\/span><span style=\"font-weight: 400;\"><br \/><\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Lack of standardized data acquisition and processing procedures;<\/span><span style=\"font-weight: 400;\"><br \/><\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Poor training of operational teams;<\/span><span style=\"font-weight: 400;\"><br \/><\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Incomplete integration between field and laboratory data.<\/span><span style=\"font-weight: 400;\"><br \/><\/span><\/li><\/ul><p><span style=\"font-weight: 400;\">To ensure quality, it is essential to implement cross-checking programs, technical audits, and the use of integrated platforms for data consolidation and traceability, promoting a culture of traceability and technical transparency.<\/span><\/p><h3><b>Geotechnical Monitoring: InSAR as a Strategic Tool<\/b><\/h3><p><span style=\"font-weight: 400;\">Among emerging technologies in geotechnical monitoring, InSAR (Interferometric Synthetic Aperture Radar) has stood out for its ability to detect millimeter-scale movements over large areas with high temporal and spatial resolution. This technique, based on phase variations between satellite radar images, offers substantial advantages:<\/span><\/p><ul><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Wide and continuous coverage, even in hard-to-reach areas;<\/span><span style=\"font-weight: 400;\"><br \/><\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Low cost per monitored unit, compared to conventional methods;<\/span><span style=\"font-weight: 400;\"><br \/><\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Integration with alert systems and predictive analysis.<\/span><span style=\"font-weight: 400;\"><br \/><\/span><\/li><\/ul><p><span style=\"font-weight: 400;\">When combined with traditional instruments such as inclinometers, piezometers, and total stations, InSAR technology enhances understanding of the behavior of geotechnical structures over time, becoming a valuable ally in continuous monitoring and risk management programs.<\/span><\/p><h3><b>Percolation Assessment: Approaches and Limitations<\/b><\/h3><p><span style=\"font-weight: 400;\">Assessing seepage in dams and other structures is a critical component of operational safety. The presence of uncontrolled or misinterpreted flow may indicate imminent instability or internal erosion processes.<\/span><\/p><p><span style=\"font-weight: 400;\">Percolation assessment methodologies should consider:<\/span><\/p><ul><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Direct instrumental measurements, such as readings from piezometers and flowmeters;<\/span><span style=\"font-weight: 400;\"><br \/><\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Indirect hydrogeological analyses, including numerical simulations based on hydraulic conductivity and hydraulic head parameters;<\/span><span style=\"font-weight: 400;\"><br \/><\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Probabilistic or deterministic models, depending on the maturity level of the database and the objectives of the analysis.<\/span><span style=\"font-weight: 400;\"><br \/><\/span><\/li><\/ul><p><span style=\"font-weight: 400;\">It is important to emphasize that the choice of model should not be made solely based on software availability or convenience, but rather based on the representativeness of the data, the complexity of the geotechnical system and the acceptable level of uncertainty in the project.<\/span><\/p><h3><b>Control Levels in Instrumentation: Proactive Stability Management<\/b><\/h3><p><span style=\"font-weight: 400;\">Defining control levels (alert, attention, and emergency) associated with geotechnical instrumentation is essential for transforming data into decisions. These levels must be based on robust technical criteria, taking into account:<\/span><\/p><ul><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Historical trend of readings;<\/span><span style=\"font-weight: 400;\"><br \/><\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Thresholds established in standards and technical guides (e.g. ABNT, ANM, ICOLD, FEAM, etc.);<\/span><span style=\"font-weight: 400;\"><br \/><\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Expected responses of the massif or structure in different operational regimes;<\/span><span style=\"font-weight: 400;\"><br \/><\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Action plans linked to each level.<\/span><span style=\"font-weight: 400;\"><br \/><\/span><\/li><\/ul><p><span style=\"font-weight: 400;\">A well-calibrated system of control levels allows not only responding to situations of imminent risk, but also acting preventively, anticipating anomalous patterns and preventing the development of structural damage.<\/span><\/p><h3><b>Integration and Precision as Foundations of High Performance Engineering<\/b><\/h3><p><span style=\"font-weight: 400;\">Data reliability, the application of technologies such as InSAR, robust seepage modeling, and the appropriate use of control levels are fundamental elements of an effective geotechnical management system. Modern engineering requires more than measurements: it requires applied operational intelligence, with decisions based on quality data, interpreted critically and contextually.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f1fa593 elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"f1fa593\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9d6c865 elementor-widget elementor-widget-text-editor\" data-id=\"9d6c865\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">In the <strong>VinQ<\/strong>We apply an integrated, multidisciplinary approach that combines instrumentation, modeling, and risk management, focusing on value generation and the operational safety of geotechnical structures. We are prepared to support our clients at every stage\u2014from designing monitoring plans to advanced data analysis and reliability reporting.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t<div class=\"elementor-element elementor-element-92c5666 e-flex e-con-boxed e-con e-parent\" data-id=\"92c5666\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-2b50735 elementor-widget elementor-widget-text-editor\" data-id=\"2b50735\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Authors:<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-9447e05 e-con-full e-flex e-con e-child\" data-id=\"9447e05\" data-element_type=\"container\" 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src=\"data:image\/svg+xml;charset=utf-8,%3Csvg xmlns%3D&#039;http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg&#039; viewBox%3D&#039;0 0 800 800&#039;%2F%3E\" class=\"attachment-large size-large wp-image-8097 ld-lazyload\" alt=\"\" data-src=\"https:\/\/vinq.us\/wp-content\/uploads\/2025\/09\/1693149511320.jpeg\" data-srcset=\"https:\/\/vinq.us\/wp-content\/uploads\/2025\/09\/1693149511320.jpeg 800w, https:\/\/vinq.us\/wp-content\/uploads\/2025\/09\/1693149511320-300x300.jpeg 300w, https:\/\/vinq.us\/wp-content\/uploads\/2025\/09\/1693149511320-150x150.jpeg 150w, https:\/\/vinq.us\/wp-content\/uploads\/2025\/09\/1693149511320-12x12.jpeg 12w, https:\/\/vinq.us\/wp-content\/uploads\/2025\/09\/1693149511320-320x320.jpeg 320w, https:\/\/vinq.us\/wp-content\/uploads\/2025\/09\/1693149511320-760x760.jpeg 760w\" data-sizes=\"(max-width: 780px) 100vw, 780px\" data-aspect=\"1\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-ba966b7 e-con-full e-flex e-con e-child\" data-id=\"ba966b7\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-ced3e01 elementor-widget elementor-widget-heading\" data-id=\"ced3e01\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">John Paul dos Santos<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-05bee8e elementor-widget elementor-widget-text-editor\" data-id=\"05bee8e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Bachelor in Mining Engineering (UFMG), Master in Civil Engineering and Management (University of Glasgow), Specialist in Geotechnical Engineering and Project Management.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-0b4e2f8 elementor-widget elementor-widget-text-editor\" data-id=\"0b4e2f8\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Mining Engineer specializing in geotechnics and project management, an international reference in dams and geotechnical structures applied to mining.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-72a158f elementor-align-left elementor-widget elementor-widget-button\" data-id=\"72a158f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" 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\/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-3aeba11 e-con-full e-flex e-con e-child\" data-id=\"3aeba11\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-da1f513 elementor-widget elementor-widget-heading\" data-id=\"da1f513\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Matheus Vicentini<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d152706 elementor-widget elementor-widget-text-editor\" data-id=\"d152706\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Civil Engineer (Unilavras), Specialist in Geotechnical Engineering (PUC Minas).<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c6067d9 elementor-widget elementor-widget-text-editor\" data-id=\"c6067d9\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Civil Engineer with experience in geotechnics applied to mining, with experience in projects, audits and dam decommissioning works.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-18cdb81 elementor-align-left elementor-widget elementor-widget-button\" data-id=\"18cdb81\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" 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