ДСТУ EN 13791:2022 Оценка внутренней прочности на сжатие конструкций и сборных железобетонных элементов (EN 13791:2019, IDT)

ДСТУ EN 13791:2022
(EN 13791:2019, IDT)

Оцінювання внутрішньої міцності на стискання
конструкцій і збірних залізобетонних елементів

 
   
 
Не є офіційним виданням.
Офіційне видання розповсюджує національний орган стандартизації
(ДП «УкрНДНЦ» http://uas.gov.ua)

Contents

European foreword

Introduction

1 Scope

2 Normative references

3 Terms, definitions, symbols and abbreviations

3.1 Terms and definitions

3.2 Symbols and abbreviations

4 Investigation objective and test parameters

5 Test regions, test locations and number of tests

5.1 Test regions

5.2 Test locations

6 Core testing and the determination of the in situ compressive strength

7 Initial evaluation of the data set

7.1 Evaluation of the test region to determine if it represents a single concrete strength class

7.2 Assessment of individual test results within a test region

8 Estimation of compressive strength for structural assessment of an existing structure

8.1 Based only on core test data

8.2 Based on a combination of indirect test data and core test data

8.3 Use of indirect testing with at least three core test data

9 Assessment of compressive strength class of concrete in case of doubt

9.1 General

9.2 Use of core test data

9.3 Indirect testing plus selected core test data

9.4 Screening test using a general or specific relationship with an indirect test procedure

9.5 Procedure where the producer has declared non-conformity of compressive strength

Annex A (informative) Guidance on undertaking an investigation

Annex B (informative) Example of a generic relationship between rebound number and compressive strength class

Bibliography