Bag type recoverable tension-compression composite anchor rod and bearing capacity calculation method thereof
The invention discloses a bag type recoverable pressure anchor rod which comprises an anchor head anchorage device, a rod body, a bearing body and an anchoring body, the rod body comprises a steel strand and a protective sleeve, the protective sleeve is connected to the periphery of the steel strand...
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Format: | Patent |
Sprache: | chi ; eng |
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