ICS93.020
河北省工程建设地方标准
PDB13(J)/T8317-2019
备案号：J14754-2019
多点振动微型挤密桩复合地基技术规程
Technicalstandardforcompositefoundationofmulti-pointvibratingmicro-compactedcolumn
2019-07-09发布2019-10-01实施
河北省住房和城乡建设厅发布
目次
1总则 1
2术语和符号 2
2.1术语 2
2.2符号 3
3基本规定 5
4设计 7
4.1一般规定 7
4.2真空井点降水设计 8
4.3多点振动微型挤密桩复合地基设计 9
4.4碾压设计 17
5施工 18
5.1一般规定 18
5.2施工准备 19
5.3真空井点降水施工 20
5.4多点振动微型挤密桩施工 21
5.5碾压施工 24
5.6褥垫层施工 25
6检测与验收 26
6.1一般规定 26
6.2检测 26
6.3验收 28
附录A碾压施工设备的选择 31
附录B复合地基竖向增强体单桩静载荷试验要点 32
附录C多点振动微型挤密桩复合地基静载荷试验要点 34
本规程用词说明 37
引用标准名录 38
条文说明 39
Contents
1GeneralProvisions 1
2TermsandSymbols 2
2.1Terms 2
2.2Symbols 3
3BasicRequirements 5
4Design 7
4.1GeneralRequirements 7
4.2VacuumWellPointDewateringDesign 8
4.3DesignofCompositeFoundationofMulti-pointVibrating
Micro-compactedColumn 9
4.4RollerCompactionDesign 17
5Construction 18
5.1GeneralRequirements 18
5.2ConstructionPreparation 19
5.3VacuumWellPointDewateringConstruction 20
5.4Mini-compactionPileConstruction 21
5.5RollingConstruction 24
5.6CushionCompactionConstruction 25
6TestandAcceptance 26
6.1GeneralRequirements 26
6.2Test 26
6.3Acceptance 28
AppendixASelectionofRollingConstructionEquipment……31AppendixBKeyPointsofStaticLoadTestforVertical
ReinforcementSinglePileofComposite
Foundation 32
AppendixCKeyPointsofStaticLoadTestforComposite
FoundationofMulti-pointVibration
Mini-compactionPile 34
Explanation