EP0314676A1 - Process for producing floating constructions and floating elements for the same. - Google Patents
Process for producing floating constructions and floating elements for the same.Info
- Publication number
- EP0314676A1 EP0314676A1 EP19870903446 EP87903446A EP0314676A1 EP 0314676 A1 EP0314676 A1 EP 0314676A1 EP 19870903446 EP19870903446 EP 19870903446 EP 87903446 A EP87903446 A EP 87903446A EP 0314676 A1 EP0314676 A1 EP 0314676A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- floating
- elements
- section
- coherent
- construction
- 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
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B35/00—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for
- B63B35/34—Pontoons
- B63B35/38—Rigidly-interconnected pontoons
Definitions
- the present invention relates to a process for producing on sea or lake of a coherent, floating construction, such as quays, buildings or the like, in that floating elements or floating sections are assembled, while they float on the sea or the lake, by means of locking means into a coherent self-floating raft construction while bounded by a coherent network of vertical, upwardly opening slots or ducts after which the network of slots or ducts are filled with a sea-durable casting material which is hardened with possible reinforcing means cast therein.
- a coherent, floating construction such as quays, buildings or the like
- the invention relates further to a floating element for carrying out the process according to the invention.
- a floating element is additionally known in the form of foam material or similar floating material, having vertical, plane side surfaces and a plane top surface and having vertical slots with openings to the top surface and to opposite side surfaces.
- the floating elements are adapted to be connected side-by-side to each other to form a compact formwork while bounded by through slots in all directions in the raft construction.
- In said slots there is cast sea-durable casting material with associated reinforcement, so that at the same time as there is constructed a network of cast bracing means between the floating elements to form a rigid raft construction, the network of bracing means can be included as a bracing compo ⁇ nent of the construction which is to be erected later on the raft construction.
- the afore-mentioned solutions represent significant advantages, but in certain instances the afore-mentioned solutions involve considerable disadvantages, especially during the use of the finished building or the finished construction which should float on the sea.
- the buoyancy can be undesirably high in the finished construction, and in other cases the buoyancy can be insufficient in certain regions as a result of weakness in the material (foam material or similar floating material) of the floating elements.
- the floating elements will have no or the highest minimal positive effects on the finished con ⁇ struction. Constructively they are only suited to function in earlier building phases. They cannot be expected to contribute to the global constructional strength of the finished building since this contribution is proportionally extremely modest.
- the floating elements will not function either as a base or lowermost floor plan in the final building. Seen in this way, from the viewpoint of the final building, these floating elements will be an unnecessary appendage technically as well as economically.
- the aim is a process and floating elements where the use of foam material and similar floating material can_be avoided, but where one can achieve nevertheless essentially equivalent advantages as in the known solutions without being burdened thereby with the same disadvanta ⁇ es. More specifically the objective is a solution where one constructs on the sea a raft construction having formwork characteristics for producing a braced raft construction. Instead of using floating elements where one is dependent upon consider ⁇ able buoyancy from foam material or similar floating material, the aim is a solution where shell-shaped floating elements are used and where the floating elements can form a part of the final construction with mainly bracing and tightening and/or protecting properties, without increasing the buoyancy of the final con ⁇ struction.
- the process according to the invention is characterised in that a floating section of two or more floating elements is erected on a pontoon which floats on the sea or the lake, by means of locking means to form the intermediate, vertical, upwardly opening slots or ducts after which the floating section is caused to float, while the floating pontoon is submerged in the sea or the lake. Thereafter by means of further of the said locking means the floating section is jointed together with one or more neighbouring sections to form the coherent raft con ⁇ struction with mutually aligned slots or ducts longitudinally and transversely of the raft construction.
- the floating elements can be fabricated directly on the mounting location on board the floating pontoon, preferably with simultaneous connection of two or more floating elements with the aid of the locking means into a coherent floating section. In this way the handling of the floating elements can be reduced to a minimum and for example the fabrication of the floating elements can be combined with a simultaneous jointing together of these into a coherent floating section in a practical manner.
- a floating section for carrying out the process according to the invention is characterised in that the floating element is made of relatively thin-walled, light weight reinforced concrete, has the form of a plane base member having a square cross-section and which along the edges is rigidly and tig ly connected to mutually coherent, reinforced side members projecting vertically upwards which form an anchoring for locking means for mutually coupling together neighbouring floating elements, and flange- forming flaps which are adapted to form stops against a neigh ⁇ bouring floating element projecting laterally outwards relative to the side members.
- the said light weight floating elements that is to say thin-walled floating elements having an essentially shell-shaped design
- the locking means between the floating elements and the floating sections can if necessary be utilised to adjust an intended straight line path of the slot or the duct between the rows of floating elements at the same time as the slots or the ducts are set with the desired breadth. Simul ⁇ taneously one ensures that the bottom portions of the floating elements are set essentially in alignment with each other in a horizontal direction (if necessary combined with a local ballast loading) . At the same time it is possible to ensure an equivalent rectilinear path between the floating elements in two main directions of the raft construction (longitudinal direction and breadth direction) by allowing the locking means to extend sub ⁇ stantially parallel to the side members of the floating elements. Thereby one can ensure that tension and pressure forces are transmitted in the two main directions of the raft construction mainly through the side members. A considerable bracing of the floating elements can be achieved by bracing of the side members by the bottom member.
- the side members of the floating element are mutually braced by means of transverse bracing means, preferably in the form of reinforced partition members between each of the side members to form separate chambers in the floating element.
- Fig. 1 shows in perspective a floating element according to the invention.
- Fig. 2 shows in perspective a floating section according to the invention, consisting of four floating elements according to Fig. 1 jointed together.
- Fig. 3 and 4 show respectively in a plan view and in a side view with sertain parts illustrated in section, the production of a floating section according to Fig. 2 on a floating pontoon.
- Fig. 5 shows the floating section according to Fig. 2 in section during launching, that is to say by submerging the floating pontoon.
- Fig. 6 shows the floating section in section in a floating condition on the sea.
- Fig. 7 and 8 show the raft construction during jointing together of the floating section according to Fig. 2 illustrated in plan view and in vertical section respectively.
- Fig_ 9 shows in vertical section a part of a joint between two floating elements.
- Fig. 10 and 11 show respectively in a plan view and a side view a finished raft construction during erecton of a building or a similar construction which is to float on the sea.
- a light weight, shell-shaped floating element 10 consisting of a square, horizontal base member 11, from which four rectilinear side members 12 project upwardly at right angles together with two rectilinear partition members 13 crossing mutually in the shape of a cross which extend at right angles to the side members 12.
- the side members 12 are arranged at a certain distance within the outer edge of the base member 11, so that they project freely outwards relative to four rectilinear flange-shaped flaps 14 of the side members.
- the floating element is fabricated into a construction of concrete with associated reinforcement.
- light weight concrete can be employed in the floating elements or in parts of these.
- certain portions of the reinforce ⁇ ment extend longitudinally and can for example be angled in an annular rectangular contour, while other portions of the rein ⁇ forcement extend crosswise and continue in the base members 11, and in the partition members 13 , and upwardly in the building which is later to be produced on the fashioned surface.
- relatively thin-walled concrete so that the floating element takes the form of a shell construction.
- Fig. 2 there is illustrated a system for jointing together four floating elements into a floating section 15 of larger square shape, the four floating elements impacting tightly together edge-to-edge.
- the floating section does not need in itself to be totally rigid, but can be permitted a certain movement by wave motion and the like. If necessary the elements can be cast together into a coherent floating secttion via a common bottom member. Alternatively the floating elements can be made separately and jointed together by means of locking means between adjacent side members of two neighbouring elements (as shown correspondingly in Fig. 7 and 8) . In all instances provision is made for leaving mutually aligned, longitudinal and transverse slots or ducts 16a and 16b respectively between the floating elements.
- a floating pontoon 17 in the form of a working platform.
- the floating pontoon 16 is anchored by means of pieces of chain 18 to two opposite floats 19.
- the working pontoon 17 is adapted to form a solid, level foundation for the fabrication of the floating section 15 directly on this and if necessary also for the fabrication of the floating elements 10 directly on this, followed by a jointing together of the floating elements in the floating condition on the sea surface S into a coherent floating section 15.
- the floating elements can be made on land and transferred by crane or derrick to the working pontoon 17 for subsequent jointing together of four floating elements into a coherent floating section.
- FIG. 5 the working pontoon 17 is shown in a partially submerged condition and supported by floats 19.
- Fig. 6 the floating section is shown after this is caused to float, that is to say after the working pontoon is lowered substantially below the floating section and the working pontoon 17 and the floats 19 are removed.
- the working pontoon is adapted to be filled with compressed air from a source of compressed air not shown further with associated air supply pipes and/or emptied of water ballast by means of pumps.
- the valve arrangement for filling the pontoon with water or with air is not shown either, since this equipment is designed in a conventional manner.
- Fig. 7 and 8 the jointing together of several sections 15 is shown for sectional assembling of the raft construction, there being indicated a first type of locking means 20 which extends parallel to side members 12 of the floating elements and a second type of locking means 21 which extends in alignment with the partition members 13.
- a first type of locking means 20 which extends parallel to side members 12 of the floating elements
- a second type of locking means 21 which extends in alignment with the partition members 13.
- Fig. 7 it will be especially evident from Fig. 7 that one obtains through-going tension-absorbing and pressure-absorbing reinforcing means via the side members 12 and the locking means 20 and via the partition members 13 and the locking means 21, that is to say in the longitudinal direction as well as in the transverse direction of the raft construction.
- Fig. 9 there is shown in detail a jointing together of two floating elements _
- a pair of upper and lower locking means 20a, 20b for example in the form of pieces of reinforcing rod which are permanently welded or connected in another manner to fittings 20c, 20d fastened to the reinforcing rod 12a in side member 12 of the floating element.
- the locking means can consist of tension rods or similar axiallly regulatable locking means.
- a seal-forming wooden strip 23 which is fastened via a bolt 24 with nut 24a and stop disc 25 which forms an abutment against the upper side of the edge flaps 14.
- a water-durable joint material for example in the form of con ⁇ crete.
- a coherent network-formed duct system in all directions of the raft construction.
- tension-absorbing reinforcements 15a, 15b for example such as indicated in Fig. 10 and 11, there being cast with concrete into the duct system transverse and longi ⁇ tudinal foundation girders or foundation pedestals in coherent connection with the locking means 20 and 21 between the rein ⁇ forcement in the floating elements.
- Fig. 10 and 11 there are employed separate edge-forming floating elements 31 which are jointed together with adjacent floating elements 10 in the raft construction in a manner equivalent to that shown in the mutual jointing together of the floating elements 10.
- the floating elements 31 can form supports for the end walls 27 or be provided with projections which form the end walls 27.
- the floating elements 31 with the side walls can form equivalent boundaries for the ducts 16a and 16b.
- the elements 31 are provided on account of the reduced dimension laterally with a substantially greater height (draught) than the elements 10.
- each individual floating element 10 such as indicated before the launching
- the floating elements provision is made for casting in fastening fitting for the locking means 20 and 21.
- the locking means for certain of the locking means, for example the four pairs of locking means 20 which connect four floating elements 10 at an impacting corner into a coherent floating section, the locking means can if desired be cast directly into side walls of the floating elements in a case where the floating elements and the floating section are made by casting on the working pontoon.
Abstract
Un procédé, appelé ici ''procédé de coulage sur l'eau'', sert à produire une construction en radeau flottante faite d'éléments flottants (10) ou de sections flottantes (15) qui servent à définir un réseau de conduits (16a, 16b) pour le coulage d'organes d'entretoisage longitudinaux et transversaux entrant dans la construction en radeau et qui servent en même temps à former des organes d'entretoisage équivalents pour un bâtiment ou une autre construction dressée sur la construction en radeau. Un certain nombre d'éléments flottants sont coulés ou assemblés sous la forme d'une section flottante rectangulaire ou carrée (15) sur un ponton flottant submersible (17), de façon à permettre la mise à l'eau de la section flottante (15) en vue de son assemblage avec les sections flottantes restantes, avec lesquelles elle forme la construction en radeau. On fabrique un élément flottant (10) pour réaliser ledit procédé à partir de béton armé à paroi fine et on lui donne une configuration de récipient généralement en forme de bassin. Des organes de serrage équivalents qui servent à assembler les éléments flottants (10) sous la forme de la section flottante (15) peuvent être employés pour l'assemblage des sections flottantes.A method, here called "pouring method on water", is used to produce a floating raft construction made of floating elements (10) or floating sections (15) which serve to define a network of conduits (16a , 16b) for the casting of longitudinal and transverse spacer members used in raft construction and which serve at the same time to form equivalent spacer members for a building or other construction erected on the raft construction. A number of floating elements are cast or assembled in the form of a rectangular or square floating section (15) on a floating submersible pontoon (17), so as to allow the floating section (15) to be put into the water. ) for assembly with the remaining floating sections, with which it forms the raft construction. A floating element (10) is produced to carry out the said method from thin-walled reinforced concrete and it is given a configuration of container generally in the form of a basin. Equivalent clamps which serve to assemble the floating elements (10) in the form of the floating section (15) can be used for the assembly of the floating sections.
Description
Claims
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/NO1987/000037 WO1988009284A1 (en) | 1987-05-18 | 1987-05-18 | Process for producing floating constructions and floating elements for the same |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0314676A1 true EP0314676A1 (en) | 1989-05-10 |
EP0314676B1 EP0314676B1 (en) | 1991-09-11 |
Family
ID=19907447
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19870903446 Expired EP0314676B1 (en) | 1987-05-18 | 1987-05-18 | Process for producing floating constructions and floating elements for the same |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP0314676B1 (en) |
DE (1) | DE3772993D1 (en) |
DK (1) | DK164583C (en) |
FI (1) | FI890256A0 (en) |
WO (1) | WO1988009284A1 (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL2005108C2 (en) * | 2010-03-05 | 2011-09-06 | Delta Archineering B V | FLOATING CONSTRUCTION, METHOD FOR PROVIDING, AND USE. |
IT1399632B1 (en) * | 2010-04-21 | 2013-04-26 | Auto Nautica Service S R L | METHOD FOR THE REALIZATION OF A FLOATING WORK AND A FLOATING OPERA AS IT IS REALIZED |
DE102011100627A1 (en) * | 2011-05-05 | 2012-11-08 | Ingenieurbüro ArmandPlan | Floating concrete platform for buildings, settlements, energy independent ecological cities and transport device for transporting houses, power plants, industrial plants and mass, has cavities surrounded by concrete components and layers |
CN103821121B (en) * | 2014-02-14 | 2015-09-09 | 马献林 | Large-sized reinforced concrete platform and manufacture method thereof |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3315627A (en) * | 1965-10-24 | 1967-04-25 | Roberts Harold | Pneumatically operated floating dry dock |
GB1288989A (en) * | 1969-11-24 | 1972-09-13 | Mitsui Shipbuilding Eng | |
US3691974A (en) * | 1970-03-03 | 1972-09-19 | Twin City Shipyard Inc | Portable barge |
US3951085A (en) * | 1973-08-06 | 1976-04-20 | Johnson Don E | Floating structure arrangement |
US3962981A (en) * | 1975-01-20 | 1976-06-15 | Shoreline Precast Company | Barge factory |
US4067285A (en) * | 1975-04-02 | 1978-01-10 | Jones Robert M | Modular floating structure |
-
1987
- 1987-05-18 WO PCT/NO1987/000037 patent/WO1988009284A1/en active IP Right Grant
- 1987-05-18 EP EP19870903446 patent/EP0314676B1/en not_active Expired
- 1987-05-18 DE DE8787903446T patent/DE3772993D1/en not_active Expired - Lifetime
-
1989
- 1989-01-17 DK DK019289A patent/DK164583C/en active
- 1989-01-18 FI FI890256A patent/FI890256A0/en not_active Application Discontinuation
Non-Patent Citations (1)
Title |
---|
See references of WO8809284A1 * |
Also Published As
Publication number | Publication date |
---|---|
FI890256A (en) | 1989-01-18 |
DE3772993D1 (en) | 1991-10-17 |
DK164583B (en) | 1992-07-20 |
DK164583C (en) | 1992-12-07 |
FI890256A0 (en) | 1989-01-18 |
EP0314676B1 (en) | 1991-09-11 |
DK19289D0 (en) | 1989-01-17 |
DK19289A (en) | 1989-01-17 |
WO1988009284A1 (en) | 1988-12-01 |
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