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GB/T 50218-2014 GB/T 50218-2014 工程岩体分级标准：英文现行

中华人民共和国住房和城乡建设部公告
Announcement　of　the　Ministry　of　Housing　and　Urban-Rural　Development　of　the　People&##x0027;s　Republic　of　China
Foreword
1　General　provisions
2　Terms　and　symbols
- 2.1　Terms
- 2.2　Symbols
3　Classification　parameters　of　rock　mass　basic　quality
- 3.1　Classification　parameters　and　their　determination　method
- 3.2　Qualitative　division　of　classification　parameters
- 3.3　Quantitative　indices　of　classification　parameters
4　Classification　of　rock　mass　basic　quality
- 4.1　Determination　of　class　of　rock　mass　basic　quality
- 4.2　Qualitative　characteristics　of　basic　quality　and　the　basic　quality　indices
5　Classification　of　engineering　rock　mass
- 5.1　General　requirements
- 5.2　Rock　mass　classification　in　underground　engineering
- 5.3　Rock　mass　classification　in　slope　engineering
- 5.4　Rock　mass　classification　in　foundation　engineering
Appendix　A　Test　requirements　for　indices　of　Rcand　Is（50）
Appendix　B　Measurement　requirements　for　indices　of　Kv　and　Jv
Appendix　C　Assessment　of　initial　geo-stress　field
Appendix　D　Physical　and　mechanical　parameters　of　rock　mass　and　discontinuities
Appendix　E　Stand-up　time　of　engineering　rock　mass
Explanation　of　wording　in　this　standard

引文
笔记内容

GB/T 50218-2014 GB/T 50218-2014 工程岩体分级标准：英文现行

中华人民共和国住房和城乡建设部公告

Announcement of the Ministry of Housing and Urban-Rural Development of the People&##x0027;s Republic of China

Foreword

1 General provisions

2 Terms and symbols

2.1 Terms

2.2 Symbols

3 Classification parameters of rock mass basic quality

3.1 Classification parameters and their determination method

3.2 Qualitative division of classification parameters

3.3 Quantitative indices of classification parameters

4 Classification of rock mass basic quality

4.1 Determination of class of rock mass basic quality

4.2 Qualitative characteristics of basic quality and the basic quality indices

5 Classification of engineering rock mass

5.1 General requirements

5.2 Rock mass classification in underground engineering

5.3 Rock mass classification in slope engineering

5.4 Rock mass classification in foundation engineering

Appendix A Test requirements for indices of Rcand Is（50）

Appendix B Measurement requirements for indices of Kv and Jv

Appendix C Assessment of initial geo-stress field

Appendix D Physical and mechanical parameters of rock mass and discontinuities

Appendix E Stand-up time of engineering rock mass

Explanation of wording in this standard

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专家解读

Announcement　of　the　Ministry　of　Housing　and　Urban-Rural　Development　of　the　People&##x0027;s　Republic　of　China

1　General　provisions

2　Terms　and　symbols

2.1　Terms

2.2　Symbols

3　Classification　parameters　of　rock　mass　basic　quality

3.1　Classification　parameters　and　their　determination　method

3.2　Qualitative　division　of　classification　parameters

3.3　Quantitative　indices　of　classification　parameters

4　Classification　of　rock　mass　basic　quality

4.1　Determination　of　class　of　rock　mass　basic　quality

4.2　Qualitative　characteristics　of　basic　quality　and　the　basic　quality　indices

5　Classification　of　engineering　rock　mass

5.1　General　requirements

5.2　Rock　mass　classification　in　underground　engineering

5.3　Rock　mass　classification　in　slope　engineering

5.4　Rock　mass　classification　in　foundation　engineering

Appendix　A　Test　requirements　for　indices　of　Rcand　Is（50）

Appendix　B　Measurement　requirements　for　indices　of　Kv　and　Jv

Appendix　C　Assessment　of　initial　geo-stress　field

Appendix　D　Physical　and　mechanical　parameters　of　rock　mass　and　discontinuities

Appendix　E　Stand-up　time　of　engineering　rock　mass

Explanation　of　wording　in　this　standard