ДСТУ EN 12716:2022 Выполнение специальных геотехнических работ. Струйное цементирование (EN 12716:2018, IDT)

ДСТУ EN 12716:2022
(EN 12716:2018, IDT)

Виконання спеціальних геотехнічних робіт. Струменеве цементування

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

Contents

European foreword

1 Scope

2 Normative references

3 Terms and definitions

4 Information needed for the execution of the work

4.1 General

4.2 Specific requirements

5 Geotechnical investigation

5.1 General

5.2 Specific Requirements

6 Materials and products

6.1 General

6.2 Cement

6.3 Water

6.4 Bentonite

6.5 Additions

6.6 Admixtures

6.7 Reinforcement

7 Considerations related to design

7.1 General

7.2 Geometry

7.3 Strength and Deformation Characteristics

7.4 Permeability

8 Execution

8.1 General

8.2 Equipment

8.3 Preparation of the site

8.4 Drilling and Tolerances

8.5 Jet grouting

8.6 Spoil Return

8.7 Placing the reinforcement

9 Supervision, testing and monitoring

9.1 General

9.2 Preliminary tests

9.3 Supervision and process testing

9.4 Testing of the jet grouted elements

9.5 Monitoring

10 Records

10.1 Documents available on site

10.2 Documents to be produced on site

11 Special requirements

11.1 Compliance with national and European Standards

11.2 Site safety

11.3 Protection of the environment

Annex A (informative) Determination of the material strength

Annex В (informative) Sample Quality

Annex C (normative) Direct and indirect tests and quality controls

Annex D (informative) Examples of site records of jet grouting works

Annex E (informative) Degree of obligation of the provisions

Bibliography