A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
High-pressure hydraulic unit predrills and drives piles
Features and operation of special predrilling and pile-driving rig, designed and constructed by Raymond Concrete Pile Div of Raymond International, Inc, to place step-tapered pipe piles in difficult ground of San Francisco's Golden Gateway Redevelopment project; rig consists of hammer, rotary drill, and two hoists, all mounted on 110 ton crawler crane; hammer and drill are powered by fluid at 5000 psi.
High-pressure hydraulic unit predrills and drives piles
Features and operation of special predrilling and pile-driving rig, designed and constructed by Raymond Concrete Pile Div of Raymond International, Inc, to place step-tapered pipe piles in difficult ground of San Francisco's Golden Gateway Redevelopment project; rig consists of hammer, rotary drill, and two hoists, all mounted on 110 ton crawler crane; hammer and drill are powered by fluid at 5000 psi.
High-pressure hydraulic unit predrills and drives piles
Construction Methods Equipment
1965
3 pages
Article (Journal)
English
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