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

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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