EP0136124A2 - Gitterwände - Google Patents

Gitterwände Download PDF

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Publication number
EP0136124A2
EP0136124A2 EP84306105A EP84306105A EP0136124A2 EP 0136124 A2 EP0136124 A2 EP 0136124A2 EP 84306105 A EP84306105 A EP 84306105A EP 84306105 A EP84306105 A EP 84306105A EP 0136124 A2 EP0136124 A2 EP 0136124A2
Authority
EP
European Patent Office
Prior art keywords
header
headers
cribwall
rebates
adjacent
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP84306105A
Other languages
English (en)
French (fr)
Other versions
EP0136124B1 (de
EP0136124A3 (en
Inventor
Erin Colin Clark
Graham Frederick Pyne
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
EVANS BAY TIMBER Co Ltd
Original Assignee
EVANS BAY TIMBER Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by EVANS BAY TIMBER Co Ltd filed Critical EVANS BAY TIMBER Co Ltd
Publication of EP0136124A2 publication Critical patent/EP0136124A2/de
Publication of EP0136124A3 publication Critical patent/EP0136124A3/en
Application granted granted Critical
Publication of EP0136124B1 publication Critical patent/EP0136124B1/de
Expired legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D29/00—Independent underground or underwater structures; Retaining walls
    • E02D29/02—Retaining or protecting walls
    • E02D29/0216—Cribbing walls

Definitions

  • the present invention relates to improvements in and/or relating to crib walls and in particular although not solely to crib walls made from timber components.
  • header support block and various crib wall component combinations including such header support blocks which enable the cheaper erection of a crib wall and also enable such crib wall to be built to greater heights than would otherwise be the case.
  • Such a header support block however is in the form of a substantially rectanguloid wooden block having a pair of opposed rebates or checks (hereafter "rebates”) to enable the same to be located between two vertically adjacent headers in part straddling with each rebate one of said two vertically adjacent headers at any suitable position along the length thereof.
  • Such double rebated key blocks are difficult to manufacture as is evident from such specifications. They also provide with a particular volume of timber only a certain amount of support between vertically adjacent headers. Moreover their straddling arrangement makes it easy for them to become displaced during the filling operation where backfill or other fill is dropped into an at least partially erected crib wall structure. There is therefore some need whereby an improved header, header support block or alternative arrangement can be provided which will go at least some way to meeting some of the above mentioned desiderata which will at least provide the public with a useful choice.
  • the present invention consists in a header for a cribwall including header support blocks, said header being formed with a substantially retangular cross section and having top and bottom (i) a lengthwise extending groove and (ii) rebates in the form of checks adjacent each end that extend fully across the transverse section and interupt at least to some degree said grooves.
  • header support block refers to a block capable of being positioned between a front stretcher and a rear end header spacing means so as to enhance the load carrying capability of the resultant structure. While it obviously serves to some extent a spacing function as it takes up load, its positioning is not essential to ensure under light load, the correct spacing of the tiered headers.
  • the header is formed in wood.
  • the header is of a configuration substantially as hereinafter described
  • the present invention consists in a cribwall comprising:
  • stretchers are provided to seperate the tiered pairs of headers both front and rear.
  • Preferably all components of the skeletal wall structure are formed in wood.
  • the present invention consists in a pack components of a skeletal wall structure of a cribwall in accordance with the present invention.
  • the header support blocks 1 are substantially rectanguloid but include longitudinally extending therealong an easily machineable locating ridge, tongue or other profile 2. Indeed if desired there can be a plurality of locating means which preferably axially extend. Ideally the locating means extend axially so that mass production is facilitated. With a timber form (which is the preferred form) the grain of all the components extends longitudinally of the component.
  • the preferred header 3 is preferably a conventional header having two pairs of rebates 4 and 5, the rebates 4 being adapted to receive a keyblock 6 and a stretcher 7 respectively.
  • the header 3 includes top and bottom a header support block locating means 8 which is preferably a groove (preferably a square channel) in to which the means 2 can locate the keyblock 1 so as to align longitudinally with vertically adjacent headers 3.
  • header support block locating means 8 which is preferably a groove (preferably a square channel) in to which the means 2 can locate the keyblock 1 so as to align longitudinally with vertically adjacent headers 3.
  • different complementary locating means can be provided between headers and header support blocks and indeed if desired such means need not be symmetrical.
  • the preferred form however is desirable as it lends itself to easy mass production.
  • the grooves 8 are shown as being common to the stretcher and the keyblock since it is possible with the present invention to machine all such components using the same shaping machinery. Only the header support block need be manufactured with the machines set differently.
  • the preferred length of header in a system in accordance with the present invention would be selected from 550, 733, 825, 1100, 1375 mm.
  • the headers have a cross section of 92 by 46 mm and are preferrably formed in chemically treated Pinus Radiata.
  • Figure 4 shows an end view of a wall built to a height of 6.1276 metres above ground level using headers 1375mm long spaced at 550 mm centres.
  • the diagrams shows the number of header support blocks per header (HSB/H) as varying from none to one to two depending of the depth of the overall wall structure.
  • Figure 4 also shows the angle of surcharge 0 (0°, 10°, 20°, or 38°).
  • a retaining wall is considered to be surcharged by any load of back fill material or retained ground above a horizantal plane projected behind and level with the top of the wall for a distance equal to the hieght of the wall.
  • the angle of internal fiction 0 (25°, 30°, 35°, 40°) is a measure of the fictional resistance to shear between the soil particales and shape as well as soil densinty the finer the partical size the lower the angle of fiction. Clay and silt have lower angles of ficton than gravels.
  • the back fill within the wall itself should be-crushed quarried rock that will not break down under weathering, of sufficient stone size to be free draining with out washing out of the wall face, but small enough not to damage or displace timber components.
  • Well graded material (containing a good mix of intermediate sizes) between 20mm and 100mm stone size is considered ideal.

Landscapes

  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (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)
  • Retaining Walls (AREA)
  • Toys (AREA)
EP84306105A 1983-09-28 1984-09-06 Gitterwände Expired EP0136124B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NZ205792 1983-09-28
NZ205792A NZ205792A (en) 1983-09-28 1983-09-28 Cribwalling:headers with longitudinal groove

Publications (3)

Publication Number Publication Date
EP0136124A2 true EP0136124A2 (de) 1985-04-03
EP0136124A3 EP0136124A3 (en) 1985-09-11
EP0136124B1 EP0136124B1 (de) 1988-11-30

Family

ID=19920522

Family Applications (1)

Application Number Title Priority Date Filing Date
EP84306105A Expired EP0136124B1 (de) 1983-09-28 1984-09-06 Gitterwände

Country Status (8)

Country Link
EP (1) EP0136124B1 (de)
JP (1) JPS6092519A (de)
AU (1) AU574103B2 (de)
DE (1) DE3475417D1 (de)
MY (1) MY100231A (de)
NZ (1) NZ205792A (de)
PT (1) PT79266B (de)
ZA (1) ZA846913B (de)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2251259A (en) * 1990-12-28 1992-07-01 Knudsen Poul N A retaining wall structure
FR2709770A1 (fr) * 1993-09-10 1995-03-17 Peller Entr Mur de soutènement ou anti-bruit.
GB2342367A (en) * 1998-09-21 2000-04-12 James Eric Marianski Mine crib formed from interlocking blocks
WO2001057323A1 (en) 2000-02-04 2001-08-09 Phi Group Limited Wall structure
AU778496B2 (en) * 1999-10-08 2004-12-09 Andrew J Marianski Column cribbing system

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NZ237194A (en) * 1991-02-22 1994-06-27 Roger James Sceats Crib wall with stacked rebated headers and triangular stretchers seated in rebates

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1690136A (en) * 1926-12-13 1928-11-06 R C Products Company Retaining-wall structure
US2034851A (en) * 1934-07-19 1936-03-24 Preplan Inc Precast concrete cribbing
US2828613A (en) * 1955-09-26 1958-04-01 Theron D Wilson Reinforced concrete cribbing
NZ195408A (en) * 1980-10-30 1985-02-28 Evans Bay Timber Co Ltd Cribwall with blocks between headers

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2251259A (en) * 1990-12-28 1992-07-01 Knudsen Poul N A retaining wall structure
GB2251259B (en) * 1990-12-28 1994-09-21 Knudsen Poul N A retaining wall structure
FR2709770A1 (fr) * 1993-09-10 1995-03-17 Peller Entr Mur de soutènement ou anti-bruit.
GB2342367A (en) * 1998-09-21 2000-04-12 James Eric Marianski Mine crib formed from interlocking blocks
AU778496B2 (en) * 1999-10-08 2004-12-09 Andrew J Marianski Column cribbing system
WO2001057323A1 (en) 2000-02-04 2001-08-09 Phi Group Limited Wall structure

Also Published As

Publication number Publication date
AU574103B2 (en) 1988-06-30
PT79266B (en) 1986-07-17
NZ205792A (en) 1987-03-31
MY100231A (en) 1990-05-29
EP0136124B1 (de) 1988-11-30
DE3475417D1 (en) 1989-01-05
JPH057494B2 (de) 1993-01-28
PT79266A (en) 1984-10-01
EP0136124A3 (en) 1985-09-11
AU3356484A (en) 1985-05-16
JPS6092519A (ja) 1985-05-24
ZA846913B (en) 1985-04-24

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