How Giant Rebar Cages Go Underground Without Collapsing the Soil | Deep Foundation Construction

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Discover how modern engineers build deep, watertight foundations for bridges, metros, and skyscrapers. From CNC rebar cage welding to hollow stem auger drilling, concrete pouring, and diaphragm wall construction — this video reveals the full piling process using advanced machines like the Stark JB80E and Japan’s Jabara cage system. A stunning look at precision, power, and innovation in modern civil engineering.

Timeline:

0:00 CNC steel cage welding machine – automated rebar cage production
1:19 On-site installation of large reinforcement cage with crawler crane
5:33 Drilling & temporary casing with hollow stem auger in difficult soils
6:31 Bottom-up concrete placement while withdrawing the auger
7:34 Lowering the reinforcement cage into fresh concrete
10:42 Stark JB80E hydraulic piling / drilling rig – attachments & methods
15:06 Japanese accordion “Jabara” pile cage – fold, transport, expand on site
18:26 Stark hydraulic concrete sheet pile press – low-noise urban piling
26:11 Diaphragm wall construction with slurry, guide walls & tremie method
28:23 Stark LH50B rig setup, alignment, calibration for continuous piling


Hashtags:

#piling
#deepfoundation
#civilengineering
#constructiontechnology
#diaphragmwalls
#rebarcage
#augerdrilling
#heavymachinery
#bridgefoundation
#constructionequipment
#sheetpile
#infrastructure
#engineeringprojects
#foundationworks
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