EP0109397A1 - Hohler gründungskörper und verfahren zur herstellung einer gründung. - Google Patents
Hohler gründungskörper und verfahren zur herstellung einer gründung.Info
- Publication number
- EP0109397A1 EP0109397A1 EP83900258A EP83900258A EP0109397A1 EP 0109397 A1 EP0109397 A1 EP 0109397A1 EP 83900258 A EP83900258 A EP 83900258A EP 83900258 A EP83900258 A EP 83900258A EP 0109397 A1 EP0109397 A1 EP 0109397A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- concrete
- water
- filter
- foundation
- permeable layer
- 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
Links
- 238000004519 manufacturing process Methods 0.000 title claims description 5
- 239000003673 groundwater Substances 0.000 claims abstract description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 12
- 239000000463 material Substances 0.000 claims abstract description 6
- 239000004568 cement Substances 0.000 claims description 6
- 238000002347 injection Methods 0.000 claims description 5
- 239000007924 injection Substances 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 4
- 230000003014 reinforcing effect Effects 0.000 claims description 3
- 240000000581 Triticum monococcum Species 0.000 claims description 2
- 239000008267 milk Substances 0.000 claims 1
- 210000004080 milk Anatomy 0.000 claims 1
- 235000013336 milk Nutrition 0.000 claims 1
- 230000000149 penetrating effect Effects 0.000 claims 1
- 230000002787 reinforcement Effects 0.000 abstract description 3
- 238000001914 filtration Methods 0.000 abstract 3
- 239000002184 metal Substances 0.000 abstract 1
- 238000010276 construction Methods 0.000 description 5
- 238000005452 bending Methods 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000009412 basement excavation Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 238000004873 anchoring Methods 0.000 description 1
- 229910000278 bentonite Inorganic materials 0.000 description 1
- 239000000440 bentonite Substances 0.000 description 1
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 230000003313 weakening effect Effects 0.000 description 1
Classifications
-
- 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
- E02D5/18—Bulkheads or similar walls made solely of concrete in situ
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D19/00—Keeping dry foundation sites or other areas in the ground
- E02D19/06—Restraining of underground water
- E02D19/10—Restraining of underground water by lowering level of ground water
-
- 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
- E02D5/22—Piles
- E02D5/34—Concrete or concrete-like piles cast in position ; Apparatus for making same
- E02D5/46—Concrete or concrete-like piles cast in position ; Apparatus for making same making in situ by forcing bonding agents into gravel fillings or the soil
Definitions
- a filter tube is arranged in the water-permeable layer, from which water entering through a ' refers to a hollow periodicallys ⁇ body of substantially constant cross-section, be ⁇ standing out of concrete, which is continued by a water-permeable layer down, pipe guided in the foundation body is removable.
- the object of the invention is to design a foundation body of the type outlined at the outset, in particular a foundation pile, in such a way that it initially acts in a known manner as a drainage pile, but at the same time is statically effective over its entire length. This is achieved in that the water-permeable layer of filter concrete, in particular in a manner known per se.
- filter concrete in particular the one-grain material
- filter stones have been prefabricated therefrom, which have subsequently been laid.
- the einkorn material such as AT-PS No. ?. 358.997 describes that in the groundwater area care was taken to seal the wall of the borehole and also to make the single-grain concrete impermeable to the groundwater through sufficient binding agent addition.
- the filter concrete used already has greater compressive strength than natural water-permeable layers or as a gravel casing placed around the filter tube. It is also possible to provide the entire foundation body with continuous reinforcement. As soon as the groundwater level has been lowered sufficiently, the filter concrete can also be pressed with a hardening injection material. This had previously been proposed (see AT-PS No. 168.946) in order to make a filter layer impermeable to water. In connection with the invention, this also leads to the fact that the lower end of the foundation body can absorb pressure forces transmitted from the upper part thereof to an increased extent.
- Figure 1 is a section through a drainage Quer ⁇ represents pole and Figures 2a and 2g illustrate the preparation of the same..; 3a to 3d show the use of the piles described in the manufacture of a building; 4a to 4c show the application of the invention to a drain nail wall.
- the drainage pile shown in Fig. -1 composed 'of a lower part of filter concrete 1 and a obe ⁇ ren part of water-impermeable normal concrete 7. It is through iron with ijnsver Stammer Bewehrungs ⁇ provided 2, the direction by a spiral in the circumferential extending reinforcing bars together are kept. Pipes 6 and 4 run along the axis of the pile surrounded by the soil 8. The pipe surrounded by the filter concrete 1 is designed as a water-permeable filter pipe 4 and is accordingly provided with slots or the like. A bottom plate 3 with a sump eye 5 welded to it prevents the washing out of the bottom below the drainage pile. 9 with a removable rubber packer is indicated, which prevents the penetration of concrete into the interior of the filter tube 4 during the production of the layer of filter concrete 1.
- the drainage pile shown is produced by first lowering a casing pipe 10 into the ground 8 to below the groundwater level 11 (FIGS. 2a, 2b).
- the interior of the casing tube 10 is emptied using conventional construction machinery 13.
- tube 6 introduced Fig. 2c
- Filter concrete 1 is introduced around the reinforcing bars 2, while at the same time the casing tube 10 is pulled up (FIG. 2d).
- the known filter or single-grain concrete is preferably composed of gravel with a uniform grain size between 2 mm and 32 mm and contains approx.
- the entire concrete (including single-grain concrete) is, as is currently customary, brought into the corresponding height (depth) of the drainage pile * with the help of a concrete pipe.
- the filter tube 4 can be sealed by a rubber packer 9 while the filter concrete 1 is being introduced, whereas the filter concrete can be flushed through during the setting process so that it remains permeable to water.
- the water table 11 is lowered (Fig. 2f), by selecting from the drainage pile the via the filter tube 4 water which has penetrated is pumped up or sucked off from above via a pump introduced through the pipe 6.
- the filter concrete 1 can be pressed through the filter pipe 4 by a cement injection 12 and thus made water-impermeable and increasingly pressure-resistant .
- the construction according to the invention of a foundation pile that can be used for drainage takes into account the differences to which such a component is exposed in its various height ranges: bending stresses are practically limited to the upper part, where the pile is constructed in a conventional manner, in the lower part there- against, occur almost exclusively pressure loads that can be easily absorbed by reinforced filter concrete.
- the lowermost part of the foundation pile 5, which is primarily used for drainage, is thus effective in its entire length in such a way that it reduces the peak pressure on the pile bottom to the permissible level by jacket friction.
- FIGS. 3a-d il- The mode of operation of the drainage pile according to the invention during the construction process is illustrated by FIGS. 3a-d il-,
- FIG. 3a a series of piles according to FIG. 3a is produced.
- the excavation pit is then excavated (FIG. 3b).
- anchoring with anchors 14 is possible as an additional safeguard against the occurring earth pressure.
- the jacket friction is also increased in this area, since the injection material partially penetrates into the surrounding subsoil.
- the pile is given a higher load-bearing capacity, which can usefully be coordinated with the increasing building load.
- the invention is not limited to a cylindrical cross-sectional foundation body, that is to say foundation piles in the narrower sense, but rather it is possible to implement the same basic principles for foundation bodies, for example a rectangular cross-section, for example in the case of diaphragm walls.
- a shaft is first excavated and the wall thereof is protected by a supporting liquid 18 (eg bentonite suspension) introduced between guide walls 16.
- a partition 17 is then lowered (FIG. 4b), which is generally perforated, but has a closed component 17 'in the lower region.
- the further sequence is the same as that described for FIG. 2, with the difference that filter concrete 1 is introduced only on one side of the wall part 7 'and therefore the groundwater is lowered only on this side of the wall.
- the filter concrete 1 only becomes effective when the sealing of the adjacent area has been removed by the supporting liquid, for example by partially dissolving the sealing layer.
Landscapes
- Engineering & Computer Science (AREA)
- Structural 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)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Piles And Underground Anchors (AREA)
- Graft Or Block Polymers (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
- Moulding By Coating Moulds (AREA)
- Bulkheads Adapted To Foundation Construction (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT0203182A AT374524B (de) | 1982-05-24 | 1982-05-24 | Hohler gruendungskoerper |
AT2031/82 | 1982-05-24 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0109397A1 true EP0109397A1 (de) | 1984-05-30 |
EP0109397B1 EP0109397B1 (de) | 1985-10-02 |
Family
ID=3526317
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP83900258A Expired EP0109397B1 (de) | 1982-05-24 | 1983-01-07 | Hohler gründungskörper und verfahren zur herstellung einer gründung |
Country Status (7)
Country | Link |
---|---|
US (1) | US4639168A (de) |
EP (1) | EP0109397B1 (de) |
AT (2) | AT374524B (de) |
DE (1) | DE3360897D1 (de) |
ES (1) | ES522624A0 (de) |
IT (1) | IT1201049B (de) |
WO (1) | WO1983004276A1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110529042A (zh) * | 2019-08-09 | 2019-12-03 | 天津建工城市建设发展有限公司 | 一种降水井的成孔方法 |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19526396C2 (de) * | 1995-07-19 | 2000-11-02 | Dyckerhoff Ag | Baugrubenverbau, Verfahren zu seiner Herstellung sowie Baustoffgemenge dafür |
CN101597898B (zh) * | 2008-06-05 | 2010-12-22 | 梁钰泽 | 刚性排水桩及施工方法 |
US20100232887A1 (en) * | 2009-03-13 | 2010-09-16 | University Of Kansas | Breakaway casing connection |
CN102535490A (zh) * | 2012-03-06 | 2012-07-04 | 北京交通大学 | 一种利用钻孔灌注桩进行基坑降水的方法 |
CN102877477A (zh) * | 2012-09-20 | 2013-01-16 | 中铁隧道勘测设计院有限公司 | 一种具有降水井作用的临时立柱结构及其施工方法 |
JP6315700B2 (ja) * | 2014-02-13 | 2018-04-25 | 鹿島建設株式会社 | 地下水制御方法及びシステム |
CN105178342B (zh) * | 2015-08-10 | 2017-03-22 | 中建八局第三建设有限公司 | 一种降水井井管及其用于封堵基坑预留洞的方法 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2622683A (en) * | 1947-08-07 | 1952-12-23 | Ranney Method Water Supplies I | Apparatus and method for the collection of water |
AT168946B (de) * | 1949-10-05 | 1951-09-25 | Siemens Schuckertwerke Gmbh | Senkkasten, insbesondere zur Herstellung von wasserdichten Herdmauern für Talsperren |
US3277962A (en) * | 1963-11-29 | 1966-10-11 | Pan American Petroleum Corp | Gravel packing method |
US3283518A (en) * | 1965-04-15 | 1966-11-08 | Norman R Toffolon | Soil footing |
US3442089A (en) * | 1967-01-25 | 1969-05-06 | Alva A Sollay | Method for casting concrete foundation |
DE1634375C3 (de) * | 1967-08-18 | 1975-04-24 | Gruen & Bilfinger Ag, 6800 Mannheim | Verfahren zum Herstellen von Sickerschlitzen |
US3512365A (en) * | 1968-01-19 | 1970-05-19 | Ludwig Muller | Method of forming a pile in situ |
DE2137417A1 (de) * | 1971-07-27 | 1973-02-08 | Gruen & Bilfinger Ag | Verlegen von leitungen zum abfuehren von grund- und sickerwasser |
AT358997B (de) * | 1976-08-31 | 1980-10-10 | Mischek Fertigbau Aktiengesell | Verfahren zur herstellung einer schlitzwand |
JPS5689620A (en) * | 1979-12-19 | 1981-07-21 | Takechi Koumushiyo:Kk | Liquidizing preventing structure for liquefaction of foundation ground |
-
1982
- 1982-05-24 AT AT0203182A patent/AT374524B/de not_active IP Right Cessation
-
1983
- 1983-01-07 AT AT83900258T patent/ATE15919T1/de not_active IP Right Cessation
- 1983-01-07 WO PCT/AT1983/000001 patent/WO1983004276A1/de active IP Right Grant
- 1983-01-07 US US06/576,384 patent/US4639168A/en not_active Expired - Fee Related
- 1983-01-07 DE DE8383900258T patent/DE3360897D1/de not_active Expired
- 1983-01-07 EP EP83900258A patent/EP0109397B1/de not_active Expired
- 1983-05-23 ES ES83522624A patent/ES522624A0/es active Granted
- 1983-05-23 IT IT67568/83A patent/IT1201049B/it active
Non-Patent Citations (1)
Title |
---|
See references of WO8304276A1 * |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110529042A (zh) * | 2019-08-09 | 2019-12-03 | 天津建工城市建设发展有限公司 | 一种降水井的成孔方法 |
CN110529042B (zh) * | 2019-08-09 | 2021-09-24 | 天津建工城市建设发展有限公司 | 一种降水井的成孔方法 |
Also Published As
Publication number | Publication date |
---|---|
IT1201049B (it) | 1989-01-27 |
WO1983004276A1 (en) | 1983-12-08 |
ATE15919T1 (de) | 1985-10-15 |
US4639168A (en) | 1987-01-27 |
IT8367568A0 (it) | 1983-05-23 |
ATA203182A (de) | 1983-09-15 |
AT374524B (de) | 1984-05-10 |
ES8404453A1 (es) | 1984-05-01 |
ES522624A0 (es) | 1984-05-01 |
EP0109397B1 (de) | 1985-10-02 |
DE3360897D1 (en) | 1985-11-07 |
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