Classifications

• • E—FIXED CONSTRUCTIONS
  • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
  • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
  • E02D27/00—Foundations as substructures
  • E02D27/32—Foundations for special purposes
  • E02D27/42—Foundations for poles, masts or chimneys
• • E—FIXED CONSTRUCTIONS
  • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
  • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
  • E02D2200/00—Geometrical or physical properties
  • E02D2200/14—Geometrical or physical properties resilient or elastic
  • E02D2200/143—Geometrical or physical properties resilient or elastic helically or spirally shaped
• • E—FIXED CONSTRUCTIONS
  • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
  • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
  • E02D2300/00—Materials
  • E02D2300/0026—Metals
  • E02D2300/0029—Steel; Iron
• • E—FIXED CONSTRUCTIONS
  • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
  • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
  • E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
  • E02D5/74—Means for anchoring structural elements or bulkheads
  • E02D5/80—Ground anchors
  • E02D5/801—Ground anchors driven by screwing

Definitions

• THIS INVENTION relates to a screw pile anchor.
• anchor is particularly suitable for, but not limited to, supporting
• screw pile anchors eg., of the type
• ground engaging end is provided
• the pile anchor is rotatably driven into the ground.
• Such pile anchors may only have a low lateral stability
• a collar and are operable to compress the ground down onto the helical
• the present invention resides in a
• stabilizing assembly for a screw pile anchor of the type having a shaft with at least one helical screw or flyte at or adjacent a ground
• the stabilizing assembly including:
• At least one collar or plate rotatably mountable on the
• the stabilizing assembly providing resistance
• the stabilizing assembly is mounted.
• the fins extend substantially radially to the
• the fins may be curved, S-shaped or other shape in
• the fins may extend from a single collar rotatably
• the lower edges of the fins are inclined to the
• one or more bolts are provided on the fins,
• the present invention resides in a
• screw pile anchor including:
• a stabilizing assembly having at least one collar or plate
• the stabilizing assembly providing
• the screw pile anchor may be provided with two or more screws
• a cable entry slot is provided in the wall of the
• the present invention resides in a method of coupling respective portions of a tubular shaft of a screw
• the one end of the one portion has a first coupling zone
• the present invention resides in a
• the one end of the one portion has a first coupling zone
• the present invention resides in a helical
• flyte of a screw pile anchor including:
• the leading and trailing portions of the flyte plates may be identical to each other.
• flanges may be formed integrally with the flyte plates to enable
• plates may be formed integrally from a single piece of sheet metal.
• FIG. 1 is a view of a typical installation of a lighting
• FIG. 2 is a perspective (exploded) view of the mounting
• FIG. 3 is a perspective view of the screw pile anchor of
• FIGS. 4 and 5 are perspective views of second and third embodiments of the screw pile anchor
• FIG . 6 is a plan view illustrating how the stabilizing
• FIG. 7 is a sectional side view corresponding to FIG. 6;
• FIG . 8 is a similar view to FIG. 7, the screw pile anchor
• FIG . 9 is an (exploded) perspective view of a fourth
• FIG. 1 0 is a perspective view of a first embodiment of the
• FIG. 1 1 is a sectional side view of a second embodiment
• FIG. 1 2 is a perspective view of a first embodiment of a
• FIG . 1 3 is a similar view of a second embodiment of the
• FIGS. 1 and 2 this shows a typical
• the screw pile anchor 1 0 has a tubular shaft 1 1
• a base plate 1 3 is welded (or otherwise fixed) to the upper end of the shaft 1 1 and may be provided with slots or recesses 14.
• the stabilizing assembly 30 has three, vertically spaced,
• Each fin 34, 35, 36, 37 has a lower, cutting edge 38
• a respective mounting bolt or stud 40 extends vertically
• each of the fins 34 to 37 may be
• the screw pile anchor 1 0 is provided
• a cable hole 52 is provided in a locating ring 33a, below
• the stabilizing assembly 1 30 only has three fins 1 34 to 1 36
• the lighting column assembly or other load to be supported is the lighting column assembly or other load to be supported.
• 234 to 237 are provided at 90° intervals and are bisected by a
• primary fins 234 are deeper and extend from the upper collar 231 to
• edges 238, 238a terminating in ground engaging points 239, 239a
• pile anchors 10, 1 10, 210 pull themselves into the ground until the
• the stabilizing assemblies 30, 1 30, 230 which have tended to rotate with
• cutting edges 238a will enable the secondary fins 234a to 237a to
• the rate of degree of resistance depends on
• resistance is provided by increasing the number of fins.
• FIG. 8 shows a modified embodiment of the screw pile
• the stabilizing assemblies 30 are provided at spaced intervals along the
• ground strata 66 of relatively higher mechanical strength.
• stabilizing assemblies 30 may be provided along the shaft
• cutting edges 38, 1 38, 238 (and 238a) have been shown to be downwardly inclined to the ground engaging points, 39, 1 39, 239
• the cutting edges 338a may be upwardly
• spaced collars 31 to 33, 1 31 to 1 33, 231 to 233 may be substituted
• assembly 330 as a kit for mounting on the tubular shaft of an existing
• screw pile anchor eg., of the type manufactured by A. B. Chance
• tubular shaft portions not especially adapted to receive the
• Locating rings 331 a and 333a are provided with locking
• tubular shaft portion 31 1 a has a first coupling zone 380
• tubular shaft portion 31 1 a is less than the angular inclination of the
• second coupling zone 381 eg., 5-1 5 °, more preferably 5-1 0° .
• complementary first zones 380, 390 enables a larger driving torque to
• secondary coupling zones 381 a, 31 9a may be inclined in the range of
• this illustrates a first embodiment of
• the helical flyte 320 is formed from two helical flyte
• Each plate 321 , 322 is
• helical plates 321 a, 322a are formed integrally (eg., by folding) from a
• flanges 324a and 325a enable the helical flyte 320a to be welded, brazed or otherwise fixed to the
• helical screw flytes 320, 320a illustrated in FIGS. 1 2 and 1 3 can be
• stabilizing assembly and shaft is approximately 50% more than the
• the stabilizing assembly can provide resistance to lateral

Landscapes

• Engineering & Computer Science (AREA)
• Life Sciences & Earth Sciences (AREA)
• General Life Sciences & Earth Sciences (AREA)
• Mining & Mineral Resources (AREA)
• Paleontology (AREA)
• Civil Engineering (AREA)
• General Engineering & Computer Science (AREA)
• Structural Engineering (AREA)
• Piles And Underground Anchors (AREA)
• Foundations (AREA)
• Road Signs Or Road Markings (AREA)
• Joining Of Building Structures In Genera (AREA)

Applications Claiming Priority (7)

Publications (1)

Family

ID=27154202

Family Applications (1)

Country Status (10)

Families Citing this family (34)

Family Cites Families (6)

• 1998
  • 1998-09-18 JP JP2000511967A patent/JP2001516828A/ja active Pending
  • 1998-09-18 ID IDW20000734A patent/ID26275A/id unknown
  • 1998-09-18 NZ NZ503878A patent/NZ503878A/xx unknown
  • 1998-09-18 AU AU91466/98A patent/AU723287B2/en not_active Expired
  • 1998-09-18 EP EP98943577A patent/EP1019584A1/en not_active Withdrawn
  • 1998-09-18 CN CN 98809291 patent/CN1270649A/zh active Pending
  • 1998-09-18 WO PCT/AU1998/000782 patent/WO1999014441A1/en not_active Application Discontinuation
  • 1998-09-18 CA CA002303932A patent/CA2303932A1/en not_active Abandoned
  • 1998-09-18 BR BR9815375-7A patent/BR9815375A/pt not_active Application Discontinuation
  • 1998-09-18 MY MYPI9804295 patent/MY122066A/en unknown

Non-Patent Citations (1)

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