EP1004707B1 - Process for deepening and/or reinforcing, consolidating or renovating a quay wall constructed along a water basin - Google Patents
Process for deepening and/or reinforcing, consolidating or renovating a quay wall constructed along a water basin Download PDFInfo
- Publication number
- EP1004707B1 EP1004707B1 EP98870257A EP98870257A EP1004707B1 EP 1004707 B1 EP1004707 B1 EP 1004707B1 EP 98870257 A EP98870257 A EP 98870257A EP 98870257 A EP98870257 A EP 98870257A EP 1004707 B1 EP1004707 B1 EP 1004707B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- quay wall
- network
- cementing material
- water basin
- columns
- 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.)
- Expired - Lifetime
Links
- 238000000034 method Methods 0.000 title claims abstract description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 13
- 230000003014 reinforcing effect Effects 0.000 title claims abstract description 5
- 239000000463 material Substances 0.000 claims abstract description 13
- 238000004873 anchoring Methods 0.000 claims abstract description 5
- 230000002787 reinforcement Effects 0.000 claims description 6
- 239000007788 liquid Substances 0.000 claims description 4
- 239000011230 binding agent Substances 0.000 claims 4
- 239000004568 cement Substances 0.000 claims 1
- 230000001066 destructive effect Effects 0.000 claims 1
- 239000002689 soil Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000009415 formwork Methods 0.000 description 1
- 239000011440 grout Substances 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
Images
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
- E02D5/74—Means for anchoring structural elements or bulkheads
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B3/00—Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
- E02B3/04—Structures or apparatus for, or methods of, protecting banks, coasts, or harbours
- E02B3/06—Moles; Piers; Quays; Quay walls; Groynes; Breakwaters ; Wave dissipating walls; Quay equipment
Definitions
- a network of bores is formed down to the desired depth, into which a cementing material is introduced under high pressure to form a network of columns, after which from the water side and through the original quay wall, at different levels a series of anchorings is applied, and subsequently the original bottom of the water basin is dredged down to the desired depth.
- Anchoring and/or nailing 10 applied at different levels ensures the stability of the new quay wall structure that formed by columns 9, 9' that merge into each other.
- the existing quay wall consists of a closed, tight wall (e.g. sheet pile wall), this wall may serve as a permanent formwork.
Abstract
Description
- This invention relates to a process for deepening and/or reinforcing, consolidating or renovating a quay wall constructed along a water basin, (see e.g. US-A-4 728 225).
- Quay walls to which the process according to the invention may be applied, may belong i.a. to one of the following categories: sheet pile walls, combi-walls, sludge walls.
- Quay walls are difficult to deepen without moving the mooring line. The need to deepen an existing quay wall with the aim to achieve a greater water depth for the mooring of larger ships, without appreciably modifying and/or moving the mooring line and without interfering with the existing merchant shipping traffic, is felt increasingly, and it is consequently the aim of the invention to prescribe a process allowing the deepening of a quay wall of one of the above mentioned types, without interrupting or hampering the mooring of ships, while in addition, the normal activities ashore, such as the operation of cranes and train traffic, may be continued normally.
- In order to enable this in accordance with the invention, on land side behind and below said quay wall, using high pressure techniques, a network of bores is formed down to the desired depth, into which a cementing material is introduced under high pressure to form a network of columns, after which from the water side and through the original quay wall, at different levels a series of anchorings is applied, and subsequently the original bottom of the water basin is dredged down to the desired depth.
- Still according to the invention, a reinforcement is applied in said bores.
- According to a possible embodiment, said reinforcement is applied in the still liquid cementing material.
- According to another embodiment, said reinforcement is applied in the already hardened cementing material, whereto desctructive borings are carried out in the hardened cementing material into which cementing material is added.
- Other details and advantages of the invention will appear from the following description of a process for deepening and/or reinforcing, consolidating or renovating an existing quay wall. This description is exclusively given as an example and does not limit the invention. The reference numbers refer to the attached figures.
- The different figures 1-5 schematically illustrate the subsequent steps of the process according to the invention.
- Figure 1 shows a customary quay wall in which the
reference 1 refers to any type of quay wall such as set forth in the preamble.Reference 2 refers to an anchoring such as those which are customary in different quay wall structures. - The existing water level, which in many cases is subject to tides, is indicated by
reference 3, and the earth body located landward byreference 4. - The figures 1-4 also show the existing
bottom level 5 of a water basin. With the latter, a river, a dock or the sea is meant, which may or may not be subject to tides. Thelevel 6 which was realised in a later stage, is shown in figures 4 and 5, i.e. after the completion of the deepening works. - According to the process in accordance with the invention, behind the quay
wall 1, i.e. on land side, a series of columns 7, depending on local circumstances such as i.a. the soil structure, are formed using high pressure jets. The depth to which the columns will be realised depends on various factors. In figures 4 and 5 the lowest level of a bore is suggested byreferences 8, 8'. First borings are carried out either vertically or inclined, either or not using high pressure jets. Afterwards, by means of the introduction of a hardening cementation material (grout) under high pressure, columns are formed. With "high pressure" pressures are meant between 250 and 600 bars. After hardening,columns 9, 9' are realised (figures 3 and 4). - Anchoring and/or nailing 10 applied at different levels, ensures the stability of the new quay wall structure that formed by
columns 9, 9' that merge into each other. When the existing quay wall consists of a closed, tight wall (e.g. sheet pile wall), this wall may serve as a permanent formwork. - By realising the different columns in such a way, alongside and behind each other in one or more longitudinal or transverse rows, a network arises of
pillars 9, 9' (figures 3, 4, 5) merging into each other, which form the new quay wall. The diameter of the pillars and their "quality" depend on local factors. In this respect, the high pressure techniques allow for great flexibility. - The existing quay wall structure or parts therefrom may also serve as elements of, and be incorporated into the new deepened and/or reinforced, consolidated, renovated quay wall structure. It is indeed possible to anchor this existing structure to the deeper concrete wall to be built yet.
- After dredging the bottom, between the
original level 5 and thelevel 6 to be realised, the base of the new quay wall has sufficient hold. The depth of this base will be determined by the geological structure of the soil and by the new loads to which the deepened quay wall structure will be subject and for which its dimensions have been calculated. - By applying the process according to the invention, and by using the high pressure techniques, widely varying underground structures may be realised by building a network of columns which will give rise to a massive structure of which the characteristics may be adapted to the local circumstances without any problem.
Claims (6)
- A Process for deepening and/or reinforcing, consolidating or renovating a quay wall (1) constructed along a water basin, characterised in that, on land side behind and below said quay wall (1), a network of bores is formed down to the desired depth, into which a binding agent is introduced under high pressure to form a network of columns (9), after which from the water side and through the original quay wall (1), at different levels a series of anchorings (2) is applied, and subsequently the original bottom of the water basin is dredged down to the desired depth."
- A process as claimed in claim 1, characterised in that the network of columns is formed by forming a network of bores using high pressure techniques, into which cement is introduced as a binding agent.
- Process according to claim 2, characterised in that in said bores a reinforcement is applied.
- Process according to claim 3, characterised in that as a binding agent use is made of a liquid cementing material and in that the reinforcement is introduced in the still liquid cementing material.
- Process as claimed in claim 3, characterised in that as a binding agent use is made of a liquid cementing material and in that the reinforcement is introduced in the already hardened cementing material, whereto destructive borings are carried out in the hardened cementing material into which further cementing material is added.
- Process according to any one of claims 1-5, characterised in that the network of columns is constructed such that a monolithic quay wall structure is formed.
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE69824010T DE69824010T2 (en) | 1998-11-25 | 1998-11-25 | Method of deepening and / or strengthening, securing or renovating a quay wall |
EP98870257A EP1004707B1 (en) | 1998-11-25 | 1998-11-25 | Process for deepening and/or reinforcing, consolidating or renovating a quay wall constructed along a water basin |
AT98870257T ATE267300T1 (en) | 1998-11-25 | 1998-11-25 | METHOD FOR DEEPENING AND/OR STRENGTHENING, SECURING OR RENOVATING A QUAY WALL |
TW088108113A TW449629B (en) | 1998-11-25 | 1999-05-12 | Process for deepening and/or reinforcing, consolidating or renovating a quay wall constructed along a water basin |
AU59420/99A AU5942099A (en) | 1998-11-25 | 1999-11-15 | Process for deepening and/or reinforcing, consolidating or renovating a quay wall constructed along a water basin |
SG9905765A SG106570A1 (en) | 1998-11-25 | 1999-11-17 | Process for deepening and/or reinforcing, consolidating or renovating a quay wall constructed along a water basin |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP98870257A EP1004707B1 (en) | 1998-11-25 | 1998-11-25 | Process for deepening and/or reinforcing, consolidating or renovating a quay wall constructed along a water basin |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1004707A1 EP1004707A1 (en) | 2000-05-31 |
EP1004707B1 true EP1004707B1 (en) | 2004-05-19 |
Family
ID=8237124
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP98870257A Expired - Lifetime EP1004707B1 (en) | 1998-11-25 | 1998-11-25 | Process for deepening and/or reinforcing, consolidating or renovating a quay wall constructed along a water basin |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP1004707B1 (en) |
AT (1) | ATE267300T1 (en) |
AU (1) | AU5942099A (en) |
DE (1) | DE69824010T2 (en) |
SG (1) | SG106570A1 (en) |
TW (1) | TW449629B (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6337396B2 (en) * | 2014-07-04 | 2018-06-06 | 五洋建設株式会社 | Reinforcement structure and reinforcement method for existing shore structures |
JP6322560B2 (en) * | 2014-12-05 | 2018-05-09 | 鹿島建設株式会社 | Renewal method of existing revetment or quay and revetment or quay structure |
CN113152444A (en) * | 2021-03-09 | 2021-07-23 | 中铁八局集团有限公司 | Water taking pump house cement jet grouting pile water stopping enclosure structure and construction method thereof |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4911583A (en) * | 1984-06-21 | 1990-03-27 | Schnabel Foundation Company | Structure and method for shoring a face of an excavation |
US4728225A (en) * | 1985-02-11 | 1988-03-01 | Schnabel Foundation Company | Method of rehabilitating a waterfront bulkhead |
US5368414A (en) * | 1991-07-19 | 1994-11-29 | Miller; Vincent G. | Method and system for rehabilitating a bulkhead |
-
1998
- 1998-11-25 AT AT98870257T patent/ATE267300T1/en not_active IP Right Cessation
- 1998-11-25 DE DE69824010T patent/DE69824010T2/en not_active Expired - Lifetime
- 1998-11-25 EP EP98870257A patent/EP1004707B1/en not_active Expired - Lifetime
-
1999
- 1999-05-12 TW TW088108113A patent/TW449629B/en active
- 1999-11-15 AU AU59420/99A patent/AU5942099A/en not_active Abandoned
- 1999-11-17 SG SG9905765A patent/SG106570A1/en unknown
Also Published As
Publication number | Publication date |
---|---|
SG106570A1 (en) | 2004-10-29 |
TW449629B (en) | 2001-08-11 |
ATE267300T1 (en) | 2004-06-15 |
EP1004707A1 (en) | 2000-05-31 |
AU5942099A (en) | 2000-06-01 |
DE69824010D1 (en) | 2004-06-24 |
DE69824010T2 (en) | 2005-05-12 |
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