基本信息
文件名称：Jet Grouting for 3RS Presentation (Area E2,E3 and E4a) 22-Oct-19高压旋喷桩方案汇报.pdf
文件大小：12.8 MB
总页数：61 页
更新时间：2025-05-22
总字数：约1.94万字
文档摘要
THREERUNWAYSYSTEMRECLAMATION
FORAREAE2(MIDDLE),E3ANDE4a
ProjectBrief
2
LocationofAreaE2,E3AndE4a
3
AirportHeightRestrictionLevels
AHR:Under10.1mPDand
10.1mPDto14.7mPD
4
LayoutPlanandSection
TypicalSpacingofJetGroutColumn
(2.5mdiameter)
5
WorkingSequence–Step1
STEP1:DRILLING
THROUGHROCKFILL
USINGTRI-CONE
BIT/WATERHAMMER
ORAIRHAMMER
6
WaterHammer(Wassara)
7
WaterHammer(Wassara)
8
WorkingSequence–Step2
STEP2:INSTALLATION
OF0.5-1mJETGROUT
COLUMNTOPREVENT
ROCKCOLL