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EN ISO 22477-6:2026

Geotechnical investigation and testing - Testing of geotechnical structures - Part 6: Load testing of soil nails and rock bolts (ISO 22477-6:2026)

Edition date: 2026-03-25
In Force
Available languages: French, English
Summary: This document establishes the specifications for the execution of tension tests to be carried out on soil nails and rock bolts. NOTE 1      Soil nails and rock bolts are referred to as elements in the scope of this document. NOTE 2      This document covers but is not limited to grouted soil nails and rock bolts. NOTE 3      This document does not provide specification for the number of tests, the type of test, the Test Method, the value of the proof load and the limiting criteria. These aspects reside in EN 1997-3 and its national annex or in similar standards. This document provides specifications for three types of tension tests: investigation tests, suitability tests and acceptance tests. Two methods of testing are recognised by this document. Test Method A involves step-loaded maintained load tension tests. Test Method B involves constant displacement rate tension tests. This document provides specifications for the experimental devices, the measurement apparatus, the test procedures, the definition and the presentation of the test results and the content of records, aiming at: a)      measuring the pull-out resistance of a soil nail or a rock bolt; NOTE 4      A loading test performed using this document provides the pulled-out resistance along the bonded length, that will possibly differ from the pull-out resistance considered in design. b)      checking that a soil nail or rock bolt behaves as designed.

Dieses Dokument legt die Spezifikationen für die Durchführung von Zugprüfungen an Bodennägeln und Felsnägeln fest. ANMERKUNG 1 Bodennägel und Felsnägel werden im Anwendungsbereich dieses Dokuments als Nägel bezeichnet. ANMERKUNG 2 Dieses Dokument gilt für verpresste Bodennägel und Felsnägel, ist jedoch nicht darauf beschränkt. ANMERKUNG 3 Dieses Dokument enthält keine Angaben zur Anzahl der Prüfungen, zur Art der Prüfung, zum Prüfverfahren, zum Wert der Prüfkraft und zu den Grenzkriterien. Diese Aspekte sind in EN 1997 3 und dessen Nationalem Anhang oder in ähnlichen Normen enthalten. Dieses Dokument enthält Spezifikationen für drei Arten von Zugprüfungen: Untersuchungsprüfungen, Eignungsprüfungen und Abnahmeprüfungen. In diesem Dokument werden zwei Prüfverfahren beschrieben. Prüfverfahren A umfasst Zugprüfungen mit schrittweise aufgebrachter, lastgesteuerter Probebelastung. Prüfverfahren B umfasst Zugprüfungen mit konstanter Verschiebungsrate. Dieses Dokument enthält Festlegungen zur Versuchseinrichtung, zu den Messeinrichtungen, den Prüfverfahren, der Definition und Darstellung der Prüfergebnisse und dem Umfang der Aufzeichnungen mit dem Ziel: a) den Herausziehwiderstand eines Bodennagels oder Felsnagels zu messen, ANMERKUNG 4 Eine nach diesem Dokument durchgeführte Prüfung ermittelt den Herausziehwiderstand entlang der Verankerungslänge, der vom in der Bemessung berücksichtigten Herausziehwiderstand möglicherweise abweichen wird. b) zu prüfen, ob das Verhalten eines Bodennagels oder Felsnagels mit der Bemessung übereinstimmt.

Le présent document établit les spécifications pour la réalisation des essais de traction à effectuer sur les clous et les boulons. NOTE 1        Les clous et les boulons sont appelés « éléments » dans le cadre du présent document. NOTE 2        Le présent document couvre notamment les clous et boulons scellés. NOTE 3        Le présent document ne spécifie pas le nombre d'essais, le type d'essai, la méthode d'essai, la valeur de la charge d'épreuve et les critères limites. Ces aspects sont spécifiés dans l'EN 1997-3 et son annexe nationale ou dans des normes similaires. Le présent document spécifie trois types d'essais de traction: les essais préalables, les essais de contrôle et les essais de réception. Le présent document reconnaît deux méthodes d'essai. La méthode d'essai A comprend des essais de traction à chargement par paliers. La méthode d'essai B comprend des essais de traction à vitesse de déplacement constante. Le présent document fournit les spécifications pour les dispositifs expérimentaux, l'appareillage de mesure, les procédures d'essai, la définition et la présentation des résultats d'essai, ainsi que le contenu des enregistrements, dans le but de: a)       mesurer la résistance à l'arrachement d'un clou ou d'un boulon; NOTE 4        Les essais de chargement effectués selon le présent document permettent de déterminer la résistance à l'arrachement des éléments sur la longueur scellée, qui peut différer de la résistance à l'arrachement considérée pour le calcul. b)       vérifier qu'un clou ou un boulon se comporte comme prévu.
ICS: 93.020-Earthworks. Excavations. Foundation construction.
CTN: CEN/TC 341 - 404517

Otras Relaciones

Acuerdo de Viena ISO 22477-6:2026

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