A reinforcing system for a guy anchor used in a guyed or additionally guyed tower includes a concrete structure formed around the guy anchor. The concrete structure has a top surface slightly above grade level. The reinforcing system further includes a supplemental anchor shaft. The supplemental anc
A reinforcing system for a guy anchor used in a guyed or additionally guyed tower includes a concrete structure formed around the guy anchor. The concrete structure has a top surface slightly above grade level. The reinforcing system further includes a supplemental anchor shaft. The supplemental anchor shaft is attached to the existing anchor head and extends down into the concrete structure, where it is retained and encased therein. The concrete structure preferably has a base and at least one wall that extends down from the base and has a surface that faces the tower to resist horizontal forces. The reinforcing system is sufficiently strong to keep the guy anchor in place even if the original anchor shaft completely corrodes. The supplemental anchor shaft does not generally come into contact with soil. It therefore resists corrosion and is expected to provide a long service life.
대표청구항▼
1. A method of reinforcing a guy anchor having an anchor head and an anchor shaft extending from the anchor head into the ground, the method comprising: excavating a region around the guy anchor to form an excavated region;attaching a supplemental anchor shaft to the anchor head with the supplementa
1. A method of reinforcing a guy anchor having an anchor head and an anchor shaft extending from the anchor head into the ground, the method comprising: excavating a region around the guy anchor to form an excavated region;attaching a supplemental anchor shaft to the anchor head with the supplemental anchor shaft extending into the excavated region;introducing a curable material into the excavated region; andallowing the curable material to cure into a solid structure,wherein excavating the region around the guy anchor includes excavating first and second regions in front of and behind the anchor head, respectively, and a third region between the first and second regions, wherein the first and second regions are excavated more deeply than the third region. 2. The method as recited in claim 1, wherein introducing the curable material into the excavated region results in the curable material extending above grade level. 3. The method as recited in claim 1, further comprising, prior to introducing the curable material into the excavated region, attaching a distal retaining structure to the supplemental anchor shaft, wherein introducing the curable material encases the distal retraining structure within the curable material. 4. The method as recited in claim 1, further comprising reinforcing the curable material with steel. 5. The method as recited in claim 1, wherein the first and second regions are excavated at least twice as deeply as the third region. 6. The method as recited in claim 1, wherein excavating the region around the guy anchor further includes excavating at least a forth region between the first and second regions, wherein the forth region is deeper than the third region. 7. The method as recited in claim 1, wherein excavating the region around the guy anchor comprises excavating a larger region behind the anchor head than in front of it. 8. The method as recited in claim 1, wherein the solid structure has a center of mass, and wherein the method further comprises positioning the excavated region relative to the anchor head to cause the following three forces substantially to intersect in space: a downward force from a center of mass of the solid structure, an equivalent lateral force from soil pressing laterally against the solid structure, and a resultant force from guy wires attached to the anchor head. 9. A method of reinforcing a guy anchor having an anchor head and an anchor shaft extending from the anchor head into the ground, the method comprising: excavating a region around the guy anchor to form an excavated region having a vertical front surface in front of the anchor head;attaching a supplemental anchor shaft to the anchor head such that the supplemental anchor shaft extends into the excavated region parallel to the anchor shaft; andintroducing a curable material into the excavated region, the curable material encasing at least a portion of the supplemental anchor shaft and forming a front wall at the vertical front surface of the excavated region that faces a structure that the guy anchor supports,wherein excavating the region around the guy anchor includes excavating to a first depth at a front portion of the excavated region coextensive with the vertical front surface and excavating to a second depth behind the front portion of the excavated region, wherein the first depth is deeper than the second depth. 10. The method of claim 9, wherein excavating the region around the guy anchor further includes excavating a back portion behind the anchor head to a depth that is deeper than the second depth, and wherein the curable material in the back portion forms a second wall facing the structure supported by the anchor shaft. 11. The method of claim 10, wherein excavating the region around the guy anchor further includes excavating a middle portion between the front portion and the back portion to a depth that is deeper than the second depth, and wherein the curable material in the middle portion forms a second wall facing the structure supported by the anchor shaft. 12. The method of claim 9, further comprising, prior to introducing the curable material, attaching a retaining structure to the supplemental anchor shaft at a location along the supplemental anchor shaft that will be encased within the curable material after the curable material is introduced. 13. The method of claim 12, wherein attaching the supplemental anchor shaft includes attaching first and second elongated members to the anchor head above and below the anchor shaft, and wherein attaching the retaining structure includes attaching a first retaining portion to the first elongated member and attaching a second retaining portion to the second elongated member. 14. The method of claim 12, wherein attaching the retaining structure to the supplemental anchor shaft is performed within the excavated region after attaching the supplemental anchor shaft to the anchor head. 15. The method of claim 9, further comprising, prior to introducing the curable material, constructing a structure within the excavated region to reinforce the curable material. 16. The method of claim 15, wherein the structure includes a first set of rods that run perpendicular to the vertical front surface of the excavated region and a second set of rods that run perpendicular to the first set of rods and parallel to the ground. 17. The method of claim 9, further comprising placing forms around the excavated region to contain curable material that extends above grade level when introducing the curable material. 18. The method of claim 17, further comprising allowing the curable material to cure into a solid structure and removing the forms placed around the excavated region.
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이 특허에 인용된 특허 (17)
Sero Samuel J. (Pittsburgh PA) Collins James S. (Monaca PA) Yates Victor (Sewickley PA), Anchoring and foundation support apparatus having moment resisting vanes and method.
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