A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
When applying in situ-anchoring method drilling, grouting, and anchoring are carried out in consecutive operation using only one kind of equipment; same equipment can be used to prepare anchoring both in rock and soils; in principle anchoring is carried out so that hollow anchor rod tipped with anchor shoe at its lower end is driven into bedrock or soil by rotary-percussion drill employing water flushing; when required depth is reached, in case of drilling in rocks, flushwater is replaced by cement slurry which is injected into rocks through hollow anchor rod; when anchoring in soils grouting is done successively during last few meters of drilling while rotating and moving hollow anchor rod up and down in hole.
When applying in situ-anchoring method drilling, grouting, and anchoring are carried out in consecutive operation using only one kind of equipment; same equipment can be used to prepare anchoring both in rock and soils; in principle anchoring is carried out so that hollow anchor rod tipped with anchor shoe at its lower end is driven into bedrock or soil by rotary-percussion drill employing water flushing; when required depth is reached, in case of drilling in rocks, flushwater is replaced by cement slurry which is injected into rocks through hollow anchor rod; when anchoring in soils grouting is done successively during last few meters of drilling while rotating and moving hollow anchor rod up and down in hole.
Insitu anchoring
Insitu anchoring
Nordin, P.O. (author)
1966
12 pages
Article (Journal)
English
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