EP3653795A2 - Enceintes de la fouille de fondation - Google Patents
Enceintes de la fouille de fondation Download PDFInfo
- Publication number
- EP3653795A2 EP3653795A2 EP19180865.8A EP19180865A EP3653795A2 EP 3653795 A2 EP3653795 A2 EP 3653795A2 EP 19180865 A EP19180865 A EP 19180865A EP 3653795 A2 EP3653795 A2 EP 3653795A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- water
- drilling fluid
- pit enclosure
- sheet piles
- drilling
- 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
- 238000010276 construction Methods 0.000 title claims abstract description 63
- 238000005553 drilling Methods 0.000 claims abstract description 96
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 70
- 239000012530 fluid Substances 0.000 claims abstract description 55
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 24
- 238000005755 formation reaction Methods 0.000 claims abstract description 24
- 239000004033 plastic Substances 0.000 claims abstract description 14
- 239000002689 soil Substances 0.000 claims abstract description 14
- 239000000463 material Substances 0.000 claims abstract description 11
- 238000007789 sealing Methods 0.000 claims abstract description 10
- 238000007667 floating Methods 0.000 claims description 48
- 230000009182 swimming Effects 0.000 claims description 44
- 230000008878 coupling Effects 0.000 claims description 23
- 238000010168 coupling process Methods 0.000 claims description 23
- 238000005859 coupling reaction Methods 0.000 claims description 23
- 238000009412 basement excavation Methods 0.000 claims description 16
- 238000000034 method Methods 0.000 claims description 12
- 230000008569 process Effects 0.000 claims description 9
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 239000007788 liquid Substances 0.000 abstract 1
- 230000032258 transport Effects 0.000 description 17
- 241000252185 Cobitidae Species 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 239000000969 carrier Substances 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 2
- 210000001061 forehead Anatomy 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 239000002985 plastic film Substances 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 210000002023 somite Anatomy 0.000 description 1
- 239000003351 stiffener Substances 0.000 description 1
- 230000007704 transition Effects 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
- E02D5/02—Sheet piles or sheet pile bulkheads
- E02D5/14—Sealing joints between adjacent sheet piles
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/02—Foundation pits
- E02D17/04—Bordering surfacing or stiffening the sides of foundation pits
-
- 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
- E02D19/02—Restraining of open water
- E02D19/04—Restraining of open water by coffer-dams, e.g. made of sheet piles
-
- 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
- E02D19/08—Restraining of underground water by employing open ditches arranged below the level of the water
-
- 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
- E02D19/12—Restraining of underground water by damming or interrupting the passage of underground water
- E02D19/18—Restraining of underground water by damming or interrupting the passage of underground water by making use of sealing aprons, e.g. diaphragms made from bituminous or clay material
- E02D19/185—Joints between sheets constituting the sealing aprons
-
- 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
- E02D5/02—Sheet piles or sheet pile bulkheads
-
- 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
- E02D5/02—Sheet piles or sheet pile bulkheads
- E02D5/03—Prefabricated parts, e.g. composite sheet piles
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/88—Dredgers; Soil-shifting machines mechanically-driven with arrangements acting by a sucking or forcing effect, e.g. suction dredgers
- E02F3/8833—Floating installations
Definitions
- the present invention relates, in particular, to temporary construction pit enclosures to prevent drilling fluid or drilling material spiked with drilling fluid from reaching the surrounding soil, in particular mudflats, or water in the region of water-side drilling exit points, in particular horizontal bores, in a body of water, in particular in the Wadden Sea, a device for erection a, in particular temporary, construction pit enclosure to prevent drilling fluid or drilling fluid mixed with drilling fluid from reaching the surrounding soil, in particular mudflats, or water in the area of water-side drilling exit points, in particular horizontal drilling, in a body of water, in particular in the Wadden Sea, and a system with the same .
- horizontal drilling must be made between the wind farms or, for example, between the island and the mainland.
- the horizontal drilling is carried out by land and the water-side drilling exit points are in the mud flats.
- the water-side drilling exit points are protected by temporary excavation enclosures.
- the zero-discharge principle applies to the target areas of the drilling in the mudflats, which means that despite any safety certificates that may be present, no drilling material or drilling fluid mixed with drilling fluid can enter or remain in the water alone. These materials are to be collected from the construction pit enclosures, pumped out and transported ashore.
- the present invention is therefore based on the object of enabling a faster erection of such pit enclosures, moreover with less transport and / or equipment.
- this object is achieved according to a first aspect by, in particular, temporary excavation pit containment to prevent drilling fluid or drilling material mixed with drilling fluid from reaching the surrounding soil, in particular mudflats, or water in the area of water-side drilling exit points, in particular horizontal drilling, in a body of water, in particular in the Wadden Sea, the construction pit enclosure having a sheet pile wall, in particular trapezoidal, sheet piles made of plastic, the sheet piles interlocking by means of complementarily shaped longitudinal edge formations, one of the two longitudinal edge formations being T-shaped and the other of the two longitudinal edge formations having a receiving groove for the T- shaped longitudinal edge formation is formed, further comprising a, preferably reusable, elastic sealing element in the longitudinal connection area between two adjacent sheet piles on the inside side of the excavation pit enclosure is arranged so that it seals the receiving groove against the ingress of drilling fluid or drilling fluid mixed with drilling fluid from the inside of the excavation pit enclosure.
- gantry crane preferably with two trolleys, in particular trolleys, with, preferably electrically operated, pulley blocks for threading sheet piles, preferably made of plastic, and with a trolley, in particular trolley, with, preferably electrically operated, pulley system, a hydraulic cylinder and a linkage for mounting the hydraulic cylinder on the drive, wherein a weight on the hydraulic cylinder on the drive is movably attached or can be struck in order to press threaded sheet piles into the waterbed.
- the floating platform has a plurality of box-shaped coupling pontoons.
- the coupling pontoons can be cuboid.
- One of the guide carriers is advantageously arranged in each corner of the hole in the floating platform.
- the guide supports are advantageously provided with locks in which the sheet piles engage.
- the sheet piles interlock by means of complementarily shaped longitudinal edge formations, one of the two longitudinal edge formations being T-shaped and the other of the two longitudinal edge formations being designed with a receiving groove for the T-shaped longitudinal edge formation, an elastic, preferably reusable Sealing element is arranged in the longitudinal connection area between two adjacent sheet piles on the inside of the construction pit enclosure in such a way that it seals the receiving groove against the ingress of drilling fluid or drilling material mixed with drilling fluid from the inside of the construction pit enclosure.
- the device has at least one removable transport lock in the hole of the swimming platform for stiffening.
- the device advantageously has a bearing surface for parts of a belt and sheet piles to be created.
- the floating platform expediently has a plurality of box-shaped coupling pontoons.
- one of the guide supports is arranged in each corner of the hole in the floating platform.
- the guide supports are expediently provided with locks in which the sheet piles engage.
- the present invention is based on the surprising finding that the special sealing element and its special arrangement can be used to achieve a good seal of the sheet pile wall in a simple manner and with little labor and material expenditure.
- the invention is based on the surprising finding that weight can be saved by using light sheet piles and by a special floating platform with appropriate equipment for erecting a construction pit enclosure required materials and equipment in principle only one transport aisle is required for the construction of the construction pit enclosure.
- a weight can be lifted and lowered in order to press the sheet piles into the water floor instead of driving in with an air hammer.
- self-sufficiency is achieved for creating the construction pit enclosure as quickly as possible, without being dependent on further pontoons etc. or transports to the construction site.
- the construction pit enclosure 10 shown comprises a flooded swimming platform 12 with a central square hole 14 on a body of water 16, in particular in the Wadden Sea, two diagonally opposite lifting posts 18 on the outside 20 of the swimming platform 12, which are lowered and locked in place to secure the swimming platform 12 in the body of water 16 are, a 16 stuck in the water floor, Circumferential vertical sheet pile wall 21 made of plastic sheet piles 24 along the inside 26 of the hole 14 of the floating platform 12, a circumferential horizontal belt 28 for the sheet pile wall 22 in the hole 14 in the floating platform 12 on the inside 26 of the sheet pile wall 22 and several inserted into the water floor 16 vertical guide beams 30 in vertical sliding guides 32 on the inside 26 of the hole 14 in the floating platform 12, which accommodate the belt 28 at a distance from the inside 26 of the hole 14 in the floating platform 12.
- the floating platform has eight box-shaped coupling pontoons 34.
- the belting 28 is at a distance of 26 centimeters from the inside 26 of the hole 14.
- the sheet piles 24 are set all around in this space.
- the guide beams 30 are provided with locks in which the sheet piles 24 engage.
- the floating platform 12 constructed from the eight coupling pontoons 34 has a length of 41.45 meters and a width of 12.19 meters.
- the construction pit enclosed by the floating platform 12 has the dimensions 36.58 meters x +7.32 meters in this example.
- the coupling pontoons 34 have a length of 12.192 meters, a width of 2.438 meters and a height of 2.438 meters and a weight of 13.350 kilograms.
- the shallow draft is 0.45 m and the maximum draft is 2.14 m.
- the construction pit enclosure is supposed to integrate around 80 centimeters into the mud flats.
- the top edge of the excavation enclosure is at a height of approximately NN + 4.00 meters to prevent a wave rollover into the excavation pit.
- a height of 4.80 meters is selected from the lower edge of the integration to the upper edge of the excavation pit (upper edge of the sheet pile wall).
- the floating platform when not flooded, has a draft of 50 centimeters plus 10 centimeters of keel clearance and thus a total draft of 60 centimeters.
- the guide carriers 30 are e.g. around HEB 260 beams.
- a guide beam 30 is located in each corner of the hole 14.
- the sheet piles 24 have complementarily shaped longitudinal edge formations 68 and 70 (see FIG. Figure 7 ) and engage with one another by means of the same, one 68 of the two longitudinal edge formations being T-shaped and the other 70 of the two longitudinal edge formations being designed with a receiving groove 72 for the T-shaped longitudinal edge formation, a further, preferably reusable, elastic sealing element 74 in The longitudinal connection area between two adjacent sheet piles 24, 24 is arranged on the inside of the construction pit enclosure in such a way that it seals the receiving groove from the inside of the construction pit enclosure against the ingress of drilling fluid or drilling fluid mixed with drilling fluid.
- the Figure 3 shows a device 38 for erecting an especially temporary construction pit enclosure, for example that in FIGS Figures 1 and 2nd shown pit excavation 10, to prevent drilling fluid or drilling fluid containing drilling fluid from reaching the surrounding soil, in particular mudflats, or water in the region of water-side drilling exit points, in particular horizontal bores, in a body of water, in particular in the Wadden Sea, the pit excavation comprising a sheet pile wall, has in particular trapezoidal sheet piles made of plastic, according to a particular embodiment of the present invention.
- the device 38 has a reversibly floodable swimming platform, such as the swimming platform 12, with a central square hole, such as 14, the swimming platform being floodable in such a way that it can be at least partially lowered in the water onto the water floor 16, two lowerable holding posts, For example, the holding posts 18, on the outside 20 of the swimming platform 12, which are preferably flush with the lower edge 40 of the swimming platform 12 during the swimming-in process and can be lowered and locked in order to secure the swimming platform 12 in the body of water 16, several vertical guide supports, for example the guide supports 30, in vertical sliding guides, for example Slideways 32, on the inside 26 of the hole 14 in the swimming platform 12, which are preferably flush with the lower edge 40 of the swimming platform 12 during the floating process and can be lowered and set up for insertion into the water floor 16 in order to have a circumferential horizontal belt, for example the belt 28, at a distance from the inside 26 of the hole 14 in the floating platform 12, and a gantry crane 42 with two drives 44 and 46, in particular trolleys, with electrically operated (electrically
- the device 38 also has two removable transport locks 62 in the hole 14 of the floating platform 12 for stiffening. In addition, it has a bearing surface 64 for parts of a belt to be created, such as belt 28, and sheet piles, such as sheet piles 24.
- the sheet piles 24 etc. can be lashed onto the bearing surface 64 for transport.
- Device 38 is towed from the port with a small tug (not shown). Following this, the device 38 is towed / pushed with two shallow work boats to the drilling exit point due to the low weight and draft. On site, the device 38 is finely adjusted and secured in position by lowering the support posts 18.
- an elastic, preferably reusable, elongated sealing element such as sealing element 74, with an integration of, for example, 30 centimeters in the water bottom 16, is introduced in the region of the longitudinal edges of adjacent sheet piles 24.
- the sealing element 74 has a fir tree profile in this example. It serves to prevent drilling fluid from escaping or the like. to avoid from the inside out.
- the selected arrangement of the vertical guide beams 30 and the connection of the sheet piles 24 to the guide beams 30 provide a circumferential, tight sheet pile 22, which in this example integrates 80 centimeters into the existing body of water 16 (tidal flats) and with an upper edge of the sheet pile wall 22 of NN + 4 m ensures flood protection of the excavation pit.
- the tugs have a 5 t bollard pull to move the device 38 from the port to the vicinity of the drilling exit point.
- the two shallow working boats have a draft of around 40 centimeters in this example.
- the construction pit enclosure 10 is to be used for a number of construction pits.
- the construction pit enclosure 10 must be converted to a neighboring horizontal bore (drill exit point) after completion of the first horizontal bore.
- it must first be checked how far the end piece of the horizontal bore protrudes beyond the bottom of the water 16 (mudflats).
- the construction pit enclosure 10 can simply be floated out to the neighboring construction pit after the sheet piles 24 and the vertical guide beams 30 have been pulled.
- the end piece should be higher than in this example 20 centimeters above the water floor 16 (Watt floor) protrude, one end of the floating platform 12 is removed. The workflow for both cases is described below.
- the shallow draft of, for example, 50 centimeters in the transport position enables swimming in at normal tide. You are not dependent on special spring tides.
- the light, yet robust construction of the construction pit enclosure made of sheet piles made of plastic enables a large embedment depth of, for example, 80 centimeters in the mudflats.
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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- General Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Paleontology (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Hydrology & Water Resources (AREA)
- Chemical & Material Sciences (AREA)
- Composite Materials (AREA)
- Mechanical Engineering (AREA)
- Earth Drilling (AREA)
- Bulkheads Adapted To Foundation Construction (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE202018005260.4U DE202018005260U1 (de) | 2018-11-13 | 2018-11-13 | Baugrubenumschließungen sowie Vorrichtung und System zur Errichtung einer Baugrubenumschließung im Bereich von wasserseitigen Bohraustrittspunkten |
Publications (3)
Publication Number | Publication Date |
---|---|
EP3653795A2 true EP3653795A2 (fr) | 2020-05-20 |
EP3653795A3 EP3653795A3 (fr) | 2020-08-12 |
EP3653795B1 EP3653795B1 (fr) | 2022-11-30 |
Family
ID=64662419
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19180865.8A Active EP3653795B1 (fr) | 2018-11-13 | 2019-06-18 | Enceintes de la fouille de fondation |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP3653795B1 (fr) |
DE (1) | DE202018005260U1 (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112554263A (zh) * | 2020-12-01 | 2021-03-26 | 浙江河海建设有限公司 | 一种绞吸式挖泥船清淤设备及方法 |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE202019104123U1 (de) | 2019-07-26 | 2019-08-29 | Tiefbau-Gmbh "Unterweser" | Baugrubenumschließung zum Schutz der Umgebung einer im Watt befindlichen Baugrube vor Verunreinigungen aus dieser Baugrube und zum Schutz der Baugrube vor Überflutung |
DE202019104122U1 (de) | 2019-07-26 | 2019-08-23 | Tiefbau-Gmbh "Unterweser" | Baugrubenumschließung zum Schutz der Umgebung einer im Watt befindlichen Baugrube vor Verunreinigungen aus dieser Baugrube |
CN111608173B (zh) * | 2020-06-04 | 2022-05-20 | 石家庄铁道大学 | 深水陡坡裸岩钻孔桩施工方法及装置 |
CN112064660A (zh) * | 2020-09-07 | 2020-12-11 | 上海建工二建集团有限公司 | 基坑分级降压方法 |
CN113863639A (zh) * | 2021-10-26 | 2021-12-31 | 中国建筑第四工程局有限公司 | 一种半挂式可移动锚索张拉操作平台 |
CN114263187B (zh) * | 2021-12-30 | 2023-07-21 | 三箭建设工程集团有限公司 | 一种基坑底板传力结构及其施工方法 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2001071106A1 (fr) * | 2000-03-21 | 2001-09-27 | Warren Howard Chesner | Système de dragage sécurisé et cuve de traitement d'eau |
US6625907B2 (en) * | 2000-06-29 | 2003-09-30 | Conveyance Technology | Method and apparatus for dredging and transporting dredged solids |
US8894072B2 (en) * | 2012-06-04 | 2014-11-25 | Wayne Alan Wolf | Barrier seal |
NL2011268C2 (nl) * | 2013-08-05 | 2015-02-09 | Cornelis Petrus Gerardus Maria Boot | Installatie voor het baggeren of uitdiepen. |
US9528241B2 (en) * | 2014-10-24 | 2016-12-27 | Cmi Limited Co. | Barrier panel interlock sealing system and method |
CN106256965A (zh) * | 2016-05-24 | 2016-12-28 | 海盐汇祥新型建材科技有限公司 | 一种防渗板桩连接锁扣 |
US9845584B1 (en) * | 2016-08-21 | 2017-12-19 | Richard Christian Goldammer | Barrier panel connecting clip and method |
CN107964970A (zh) * | 2017-11-30 | 2018-04-27 | 同济大学 | 一种双排钢板桩围堰滑动式钢拉杆系统 |
-
2018
- 2018-11-13 DE DE202018005260.4U patent/DE202018005260U1/de active Active
-
2019
- 2019-06-18 EP EP19180865.8A patent/EP3653795B1/fr active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112554263A (zh) * | 2020-12-01 | 2021-03-26 | 浙江河海建设有限公司 | 一种绞吸式挖泥船清淤设备及方法 |
CN112554263B (zh) * | 2020-12-01 | 2022-03-08 | 浙江河海建设有限公司 | 一种绞吸式挖泥船清淤设备及方法 |
Also Published As
Publication number | Publication date |
---|---|
EP3653795B1 (fr) | 2022-11-30 |
EP3653795A3 (fr) | 2020-08-12 |
DE202018005260U1 (de) | 2018-11-28 |
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