EP0910710A1 - Verfahren und vorrichtung zum unterfangen einer wand oder tragmauer - Google Patents

Verfahren und vorrichtung zum unterfangen einer wand oder tragmauer

Info

Publication number
EP0910710A1
EP0910710A1 EP98914718A EP98914718A EP0910710A1 EP 0910710 A1 EP0910710 A1 EP 0910710A1 EP 98914718 A EP98914718 A EP 98914718A EP 98914718 A EP98914718 A EP 98914718A EP 0910710 A1 EP0910710 A1 EP 0910710A1
Authority
EP
European Patent Office
Prior art keywords
shaped
encasement
case
parts
underneath
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
EP98914718A
Other languages
English (en)
French (fr)
Other versions
EP0910710B1 (de
Inventor
Etienne Heirwegh
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP0910710A1 publication Critical patent/EP0910710A1/de
Application granted granted Critical
Publication of EP0910710B1 publication Critical patent/EP0910710B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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
    • E02D27/48—Foundations inserted underneath existing buildings or constructions
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G23/00—Working measures on existing buildings
    • E04G23/06—Separating, lifting, removing of buildings; Making a new sub-structure

Definitions

  • This invention relates to a process for carrying out a sheet piling underneath an existing bearing wall or partition, whereby a series of columns is formed on the ground, against the wall or partition to be supported, using a case-shaped element having three sides and one open side, which is directed towards the bearing wall or partition.
  • each of the columns is built up according to a sequence, in which a column with the same or similar dimensions is formed between two already finished columns, and for that purpose, the lost encasement sheets of the U- shaped encasement parts belonging to two neighbouring columns are used as lateral encasement parts, and at the back side of the column to be formed, vertical sheets with a width somewhat larger than the width of the column to be formed, and a height equal to that of the U-shaped encasement parts, are put up and manually slided with their outer edges behind the already formed U-shaped encasement part, upon which the created encasement space is finished in the same way as described in claim 1 , with sheets which are secured with their edges to the neighbouring U-shaped encasement parts.
  • Figures 1-3 show three subsequent steps of the process according to the invention.
  • Figure 4 shows the final situation, after the positioning one on top of the other of five case-shaped elements.
  • Figure 5 schematically shows the positioning of a series of U-shaped encasement parts with respect to two case-shaped elements.
  • Figure 6 is a top view of a case-shaped element connected with a U-shaped encasement part in a particular embodiment, in which a platform is represented in dotted lines, from which the U-shaped encasement parts are mounted constructively underneath the foundation and to the cases.
  • Figure 7 schematically shows, also from a top view, two finished columns with an encasement under construction between those columns.
  • Figure 8 schematically shows, on another scale, two U-shaped parts according to a horizontal cross section.
  • FIGS 9 and 10 relate to details of the process according to the invention.
  • the encasement part 4 consists of two wings 4' and a wall 4" which extends between the wings 4'. In practice, this wall 4" may be considered as the back wall.
  • Figures 7 and 8 show more details of these U- shaped parts.
  • figure 1 shows the first step
  • the excavations, of which figure 1 shows the first step, are continued until the situations according to figures 2 and 3 are reached.
  • the first case-shaped element 1 is sunk sufficiently deep, to allow to shove all U-shaped encasement parts 4, which together correspond to the height of the case-shaped element, into place.
  • All U-shaped encasement parts 4 are provided with flanges 5 transversely welded on, for the connection by bolts with flanges 6 belonging to the side sheets of each case-shaped element 3.
  • flanges 5 transversely welded on, for the connection by bolts with flanges 6 belonging to the side sheets of each case-shaped element 3.
  • FIG. 8 By way of illustration, reference is made to figures 7 and 8, in which the side walls 7 and the back wall T of the case-shaped elements 3 are visible.
  • lost encasement sheets 10 are placed on the inside of the U-shaped encasement parts 4, against the flanges 5.
  • These sheets have about the same height as the U-shaped encasement parts, and are for example kept in place by a small angle iron 12 (visible in figure 8). This is only required until the moment the concrete 22 is cast. At this moment, also the bolts between the flanges 5 and 6 of the elements 3 and 4 are removed. ,
  • the space 8 is already excavated, while the space 8' has yet to be excavated.
  • the spaces 8 and 8' are only excavated when the neighbouring U-shaped encasement parts 4 of 3 have already been backfilled.
  • the space 8 was excavated by using as an encasement the side walls 7 of neighbouring case-shaped elements 3, already put into place, and their backfilled encasement 4.
  • every time sheets 9 have been used, corresponding to the height of a case-shaped element, or a fraction thereof. These sheets 9 were slided manually or mechanically behind two neighbouring walls 7'.
  • the lost encasement sheets 17 are put into place, and this from top to bottom, while gradually digging deeper.
  • the sheets 17 are secured, for example by tack- welding, to the back wall A".
  • the encasement sheets 10 are put into place from bottom to top, as described above.
  • a foundation slab 15 is laid or pressed underneath the foundation to be formed.
  • This slab 15 can be a steel plate or be made of concrete.
  • a concrete slab may be provided with vertical short reinforcing rods 16 for anchoring the foundation slab 15 to the concrete mass of the sheet piling.
  • common reinforcing bars may be present in each column.
  • the U-shaped encasement parts 4 can be manufactured from widely differing materials, such as steel or recycled synthetics.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Structural Engineering (AREA)
  • Civil Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Electrochemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Chemical & Material Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Paleontology (AREA)
  • General Engineering & Computer Science (AREA)
  • Conveying And Assembling Of Building Elements In Situ (AREA)
  • Foundations (AREA)
  • Bulkheads Adapted To Foundation Construction (AREA)
EP98914718A 1997-04-15 1998-04-14 Verfahren zum unterfangen einer wand oder tragmauer Expired - Lifetime EP0910710B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
BE9700346A BE1011109A3 (nl) 1997-04-15 1997-04-15 Werkwijze voor het uitvoeren van een onderschoeiing onder een bestaande draagmuur of wand en de daarbij gebruikte inrichting.
BE9700346 1997-04-15
PCT/BE1998/000053 WO1998046834A1 (en) 1997-04-15 1998-04-14 Process for carrying out a sheet piling underneath an existing bearing wall or partition and device used therein

Publications (2)

Publication Number Publication Date
EP0910710A1 true EP0910710A1 (de) 1999-04-28
EP0910710B1 EP0910710B1 (de) 2001-07-11

Family

ID=3890468

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98914718A Expired - Lifetime EP0910710B1 (de) 1997-04-15 1998-04-14 Verfahren zum unterfangen einer wand oder tragmauer

Country Status (5)

Country Link
EP (1) EP0910710B1 (de)
AU (1) AU6912598A (de)
BE (1) BE1011109A3 (de)
DE (1) DE69801084T2 (de)
WO (1) WO1998046834A1 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE1011905A3 (nl) 1998-05-11 2000-02-01 Heirwegh Etienne Werkwijze voor het uitvoeren van een onderschoeiing onder een bestaande muur en hierbij gebruikt kistvormig element.
BE1017277A3 (nl) * 2006-10-11 2008-05-06 Philippe Ketels Werkwijze en inrichting voor het aanbrengen van een onderschoeiing onder een bestaande constructie.
BE1020706A3 (nl) * 2012-04-20 2014-04-01 Rooy Carl Van Werkwijze voor het uitvoeren van een onderschoeiing onder een bestaande muur en bijhorende inrichting.

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3091938A (en) * 1960-07-27 1963-06-04 Jr Harry Schnabel Method and structure for underpinning
BE1008084A3 (nl) * 1994-10-25 1996-01-09 Bekaert Sa Nv Werkwijze voor het vervaardigen van een onderschoeiingsmuur.

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO9846834A1 *

Also Published As

Publication number Publication date
WO1998046834A1 (en) 1998-10-22
AU6912598A (en) 1998-11-11
DE69801084T2 (de) 2002-03-14
DE69801084D1 (de) 2001-08-16
BE1011109A3 (nl) 1999-04-06
EP0910710B1 (de) 2001-07-11

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