Static structures (e.g. – buildings) – Specified terranean relationship – Shaft; i.e. – elongated rigid structure
Patent
1987-03-02
1988-10-25
Murtagh, John E.
Static structures (e.g., buildings)
Specified terranean relationship
Shaft; i.e., elongated rigid structure
52170, 52742, 52514, 523097, 405216, E02D 560
Patent
active
047793899
ABSTRACT:
A method and apparatus for insitu reinforcement of a section of a wooden pole at a position below the groundline is disclosed. The method includes the steps of forming a cavity around the pole, mounting an elongated sleeve around the pole to define an annular space with the pole, and filling the space with a reinforcing material. The improved portion of the method includes supporting the sleeve above the groundline while mounting the same around the pole and securing the lower end against radial expansion, lowering the sleeve until it extends over the section to be reinforced, and filling the sleeve with a bonding agent, such as a foaming epoxy resin system, which bonds the sleeve to the pole over the length of the section to be reinforced. Preferably the upper end of the sleeve is contracted and sealed against the pole. A sleeve assembly suitable for use in practicing the method, and a sleeve assembly including a horizontally extending shear plane structure to enhance the safety of poles next to highways are disclosed.
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Grunewald Glen R.
Lampe Thomas R.
Murtagh John E.
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