DB21/T 3824-2023 建筑地基处理技术规程

ICS93.020

CCSP22

DB21

辽宁省地方标准

DB21/T3824-2023

建筑地基处理技术规程

Technicalcodeofpracticeforgroundtreatmentofbuildings

2023－09－30发布2023－10－30实施

辽宁省住房和城乡建设厅联合发布

辽宁省市场监督管理局

辽宁省地方标准

建筑地基处理技术规程

Technicalcodeofpracticeforgroundtreatmentofbuildings

DB21/T3824-2023

主编单位：中冶沈勘工程技术有限公司

批准部门：辽宁省住房和城乡建设厅

施行日期：2023年10月30日

2023沈阳

前言

本规程是根据辽宁省市场监督管理局文件《辽宁省市场监督管理

局关于印发2021年辽宁省地方标准立项计划的通知》（辽市监发

[2021]19号）的要求，由中冶沈勘工程技术有限公司会同有关单位经

广泛调查研究，认真总结工程经验，参考有关国内外标准，并在辽宁

省范围内广泛征求了有关单位的意见，经反复讨论、修改、充实，最

后经审查定稿。

本规程共16章和5个附录，内容包括：1总则；2术语和符号；

3基本规定；4换填垫层法；5压实法；6预压法；7强夯法；8碎

（砂）石桩法；9灰土挤密桩法；10注浆法；11水泥土搅拌桩法；

12高压旋喷桩法；13刚性桩法；14组合桩法；15树根桩法；16锚

杆静压桩法；附录A岩土工程参数表；附录B处理后地基静载荷试

验要点；附录C复合地基静载荷试验要点；附录D复合地基增强体

单桩静载荷试验要点；附录E地基处理工程监测要点。

本规程由辽宁省住房和城乡建设厅负责管理，由中冶沈勘工程技

术有限公司负责具体技术内容的解释。执行过程中如有意见或建议，

请寄至中冶沈勘工程技术有限公司《建筑地基处理技术规程》编制组

（地址：辽宁省沈阳市浑南区白塔三街300号，邮政编码：110169，

E-mail：lndbdjchl@163.com）。

本文件的发布机构不承担识别专利的责任。

本规程主编单位：中冶沈勘工程技术有限公司

本规程参编单位：中国建筑东北设计研究院有限公司

中建东设岩土工程有限公司

辽宁省建筑设计研究院岩土工程有限责任公司

辽宁有色勘察研究院有限责任公司

辽宁水文地质工程地质勘察院有限公司

辽宁省交通规划设计院有限责任公司

辽宁地质工程勘察施工集团有限责任公司

辽宁地矿建设集团有限公司

辽宁省市政工程设计研究院有限责任公司

东北岩土工程勘察有限公司

大连市勘察测绘研究院集团有限公司

沈阳建材地质工程勘察院有限公司

营口市城乡建设与公用事业中心

辽宁元亨岩土工程咨询有限公司

沈阳帝铂建筑工程有限公司

沈阳华昌岩土工程有限公司

沈阳鸿励岩土工程有限公司

东北大学

沈阳建筑大学

辽宁工程技术大学

沈阳城市建设学院

本规程主要起草人：刘伟苏艳军王笑二（以下按姓氏笔画为序）

丁晓明于卉王颖王述红王国莹

王祥瑞匡少华吕龙朱培男任伟

刘军刘大金关峰许元亮孙康

孙奇孙晓东苏军李秀博李海龙

杨淼杨立鹏杨军春吴文超吴国师

辛利伍张剑张维正陈久强林国友

赵然赵中华顾银锋姜宏高小平

郭龙浩董天文谢谱解磊綦赫

裴仲文穆星

本规程主要审查人：张海东杨庆孙鑫王希友康晶

于永彬金华

目录

1总则...................................................................................................................1

2术语和符号...............................................................................................................2

2.1术语...............................................................................................................2

2.2符号...............................................................................................................5

3基本规定...................................................................................................................8

4换填垫层法.............................................................................................................11

4.1一般规定.....................................................................................................11

4.2设计.....................................................................................................11

4.3施工.....................................................................................................17

4.4质量检验.....................................................................................................19

5压实法.........................................................................................................21

5.1一般规定.....................................................................................................21

5.2设计.....................................................................................................21

5.3施工.....................................................................................................24

5.4质量检验.....................................................................................................26

6预压法...................................................................................................27

6.1一般规定.....................................................................................................27

6.2设计.....................................................................................................28

6.3施工.....................................................................................................35

6.4质量检验.....................................................................................................39

7强夯法.........................................................................................................41

7.1一般规定.....................................................................................................41

7.2设计.....................................................................................................41

7.3施工.....................................................................................................47

7.4质量检验.....................................................................................................51

8碎（砂）石桩法.....................................................................................................53

8.1一般规定.....................................................................................................53

8.2设计.....................................................................................................53

8.3施工.....................................................................................................57

8.4质量检验.....................................................................................................60

9灰土挤密桩法.........................................................................................................61

9.1一般规定.....................................................................................................61

9.2设计.....................................................................................................62

9.3施工.....................................................................................................65

9.4质量检验.....................................................................................................66

10注浆法...................................................................................................................68

10.1一般规定...................................................................................................68

10.2设计...................................................................................................68

10.3施工...................................................................................................72

10.4质量检验...................................................................................................75

1

11水泥土搅拌桩法...................................................................................................77

11.1一般规定...................................................................................................77

11.2设计...................................................................................................77

11.3施工...................................................................................................80

11.4质量检验...................................................................................................82

12高压旋喷桩法.......................................................................................................84

12.1一般规定.................................................................................................84

12.2设计...................................................................................................84

12.3施工...................................................................................................88

12.4质量检验...................................................................................................89

13刚性桩法...............................................................................................................91

13.1一般规定...................................................................................................91

13.2设计...................................................................................................91

13.3施工...................................................................................................93

13.4质量检验....................................................................................................95

14组合桩法...............................................................................................................96

14.1一般规定...................................................................................................96

14.2设计...................................................................................................96

14.3施工.................................................................................................101

14.4质量检验.................................................................................................102

15树根桩法..............................................................................................................103

15.1一般规定.................................................................................................103

15.2设计.................................................................................................103

15.3施工.................................................................................................104

15.4质量检验.................................................................................................105

16锚杆静压桩法.....................................................................................................107

16.1一般规定.................................................................................................107

16.2设计.................................................................................................108

16.3施工.................................................................................................112

16.4质量检验.................................................................................................114

附录A岩土工程参数表.........................................................................................115

附录B处理后地基静载荷试验要点......................................................................117

附录C复合地基静载荷试验要点..........................................................................121

附录D复合地基增强体单桩静载荷试验要点.....................................................124

附录E地基处理工程监测要点..............................................................................127

用语和用词说明.......................................................................................................129

引用标准名录...........................................................................................................130

条文说明

2

Contents

1GeneralProvisions......................................................................................................1

2TermsandSymbols....................................................................................................2

2.1Terms..............................................................................................................2

2.2Symbols..........................................................................................................5

3BasicRequirements....................................................................................................8

4ReplacementLayerofCompactedFill.....................................................................11

4.1GeneralRequirements..................................................................................11

4.2DesignConsiderations..................................................................................11

4.3Constructions................................................................................................17

4.4Inspection.....................................................................................................19

5Compaction...............................................................................................................21

5.1GeneralRequirements..................................................................................21

5.2DesignConsiderations..................................................................................21

5.3Constructions................................................................................................24

5.4Inspection.....................................................................................................26

6Preloading.................................................................................................................27

6.1GeneralRequirements..................................................................................27

6.2DesignConsiderations..................................................................................28

6.3Constructions................................................................................................35

6.4Inspection.....................................................................................................39

7DynamicCompaction...............................................................................................41

7.1GeneralRequirements..................................................................................41

7.2DesignConsiderations..................................................................................41

7.3Constructions................................................................................................47

7.4Inspection.....................................................................................................51

8Crushed（sand）Pile...........................................................................................53

8.1GeneralRequirements..................................................................................53

8.2DesignConsiderations..................................................................................53

8.3Constructions................................................................................................57

8.4Inspection.....................................................................................................60

9Lime-soilCompactedPile........................................................................................61

9.1GeneralRequirements..................................................................................61

9.2DesignConsiderations..................................................................................62

9.3Constructions................................................................................................65

9.4Inspection.....................................................................................................66

10Grouting..................................................................................................................68

10.1GeneralRequirements................................................................................68

10.2DesignConsiderations................................................................................68

10.3Constructions..............................................................................................72

10.4Inspection...................................................................................................75

3

11CementMixing.......................................................................................................77

11.1GeneralRequirements................................................................................77

11.2DesignConsiderations................................................................................77

11.3Constructions..............................................................................................80

11.4Inspection...................................................................................................82

12JetGrouting............................................................................................................84

12.1GeneralRequirements................................................................................84

12.2DesignConsiderations................................................................................84

12.3Constructions..............................................................................................88

12.4Inspection...................................................................................................89

13RigidPile................................................................................................................91

13.1GeneralRequirements................................................................................91

13.2DesignConsiderations................................................................................91

13.3Constructions..............................................................................................93

13.4Inspection...................................................................................................95

14CompositePile........................................................................................................96

14.1GeneralRequirements................................................................................96

14.2DesignConsiderations................................................................................96

14.3Constructions............................................................................................101

14.4Inspection.................................................................................................102

15RootPile...............................................................................................................103

15.1GeneralRequirements..............................................................................103

15.2DesignConsiderations..............................................................................103

15.3Constructions............................................................................................104

15.4Inspection.................................................................................................105

16AnchorPile...........................................................................................................107

16.1GeneralRequirements..............................................................................107

16.2DesignConsiderations