Floating concrete structures pdf

Concrete has been found to be a favourable construction material for hulls for floating oil production. Floating concrete structures are used to construct a large array of structures free download as word doc. Floating playgrounds, restaurants and bars, floating homes, floating boatsheds and many other structures that can be built to float. Fixed structures are mostly built as concrete gravity based structures cgs, also termed as caisson type, where the loads bear down directly on the uppermost layers as soil pressure. This report was developed to provide a guide for the design and construction of fixed offshore concrete structures. Great attention is currently paid to the use of structural lightweight aggregate concrete slwac in marine structures, floating structures in particular, due to its lower density, but also.

Each of the plates embedded in concrete which enable connecting a steel structure to the concrete hull. In which case, floating foundation can reduce the settlement values to greater extent. They also display better behaviour in movement in the case of floating structures. While pontoon bridges are usually temporary structures, some are used for long. Lightweight concretes can either be light weight aggregate concrete, foamed concrete or autoclaved. Reference to the following documents is acknowledged. Floating structures concrete docks, marinas and floating homes. A farming structure, such as a net or a rope, is hung on cylindrical floating structures such that the farming structure floats in the sea. Floatcon floating concrete structures for the modern world. Floating foundations are desirable for the following types of soils. Floating structure an overview sciencedirect topics. Floating concrete structures pdf fib international. Price is based on pad being within 10 of level, if pad is more that 10 off level additional charges apply.

Floating slab, as the name tells it resembles a plate that is simply laid over water, with no kind of. A floating concrete structure is a solid body made of reinforced concrete and an inner chain of chambers filled with a lightweight impermeable material, typically polystyrene. The larger the floating structure, the more stable the structure will be. All floating solutions are based on marineteks intelligent floating platform concept and the companys 20 years of experience as a leader in the industry. A floating foundation is a type of foundation constructed by excavating the soil in such a way that the weight of structure built on the soil is nearly equal to the total weight of the soil excavated from the ground including the weight water in the soil before the construction of structure. There is not even more stable floating foundation than concrete pontoon platform. Generally, offshore concrete structures are classified into fixed and floating structures. Floatcon currently has a number of projects underway where the use of novel technologies has been the common denominator in finding solutions to challenges the modern world is facing, primarily rising water levels and lack of space in urban areas. An attempt has been made in this study to develop a floating concrete based on. Floating building and floating structures bellingham marine. Theoretical research on the behaviour of floating offshore wind turbine concrete structures under fatigue page vi i. Powerpoint presentations and detailed seminar reports. Floating structures are used in some fields of the marine products industry in which adhesion organisms, such as laver, brown seaweed, or oysters, are raised in seawater. Design procedures and methods of analysis are discussed to better acquaint the reader with the design considerations unique to.

Floating concrete structures this bulletin is the first document prepared by tg 1. Now you can reap the rewards of years of hard work and learn from the best in the industry. Floating concrete by using light weight aggregates pumice. Research paper on floating concrete civil engineering portal. They are adapted for hard andor arctic atmospheres, like frozen and seismic regions. Structural technologies is the exclusive manufacturer of vsl posttensioning products and construction systems in the united states. A reinforced pile cap transfers load from a column, or an entire pier or abutment, into a pile group.

Floating foundation is also called balancing raft and causes zero settlement to the structure. Concrete floating bridges are unique structures in that they behave more like permanently moored marine structures rather than conventional fixed bridges. Imfs is a recognized leader in floating concrete technology and creates floating structures for a wide variety of applications, including concrete docks, marinas and floating homes. An experimental study on floating concrete using light. The whole floating system producing power to the grid. What is floating concrete structure maritime structures. Oct 11, 20 engineers in the netherlands propose building homes that float on water. Modules are parallely connected to create a platform, which can be. Floating structures concrete docks, marinas and floating. Floating slab construction applications and advantages floating slabs are concrete slabs that are laying over the ground, without any kind of anchoring, as if it simply sits on it and floats. Stateoftheartreport 99 pages, isbn 97828839442, august 2019. Floating slab, as the name tells it resembles a plate that is simply laid over water, with no kind of connection between them.

In one method of assembly floatation units are assembled on dry land, floated in a body of water and thereafter connected by means of the tensioning cables to form a floating concrete structure. Norway to help singapore with floating urban development project with the backing of expertise from sintef, singapore is aiming to develop huge floating structures capable of dealing with the citys critical lack of space. A floatable concrete structure consisting of at least two modular units of concrete are connected together by posttensioned cables extending longitudinally therethrough. A floating foundation consists of boxlike rigid structures set at such a depth below ground that the weight of the soil removed to place it equals the weight of the building. Following correct construction practices to place the. Us3490407a us3490407da us3490407a us 3490407 a us3490407 a us 3490407a us 3490407d a us3490407d a us 3490407da us 3490407 a us3490407 a us 3490407a authority us united states prior art keywords pontoon form floating structure concrete prior art date 19681023 legal status the legal status is an assumption and is not a legal conclusion.

From an environmental standpoint, concrete has a lot to offer the ingredients of concrete water, aggregate, and cement are abundant. Report on floating and float in concrete structures reported by aci committee 357 aci 357. This invention relates to floating piers, pontoons, or the like cast from concrete or similar material, and a novel and improved method of construction therefor. Almost without exception any length can be custom made, any angle can be manufactured and any configuration can be. Concrete can be made from local resources and processed near a jobsite. Eps is extremely easy to design since it is built directly on the surface of the water. Recommendations for design loads and design criteria are presented. Theoretical research on the behaviour of floating offshore. The uses of floating concrete structures is to reduce the consumption of land for building and they are inherently base isolated from earthquake. For example a floating concrete bridge may be made from modular units which are connected together by post tension cables to form a floating bridge assembly.

Concrete is an ideal medium for recycling waste or industrial byproducts. In this bulletin a series of applications, projects and conceptual ideas are presented. Depth of the structure is less than half of a concrete shell. Offshore concrete structures show an excellent behaviour. The core of the technology of design and manufacturing of floating concrete structures, is the calculation and design of the structure to produce a heavy structure. Aesthetic durability of white concrete is, for the purpose of this report, defi ned as. It is also used for making structures like pantoons, break waters, docks. Application of structural lightweight aggregate concrete. R15 en 1992 eurocode 2 design of concrete structures r16 actions and action effects norsok standard n003, 2007. It will be apparent that various floating concrete structures may conveniently be assembled by using the same modular construction and post tensioning procedure.

Horizontal posttensioning of foundation slabs, bottom slabs and walls, vertical posttensioning of walls, posttensioning of inclined elements, fixing of steel parts to the concrete, jointing of hinge systems, etc. The advantages of floating concrete structures lie in the economy of the materials used concrete is very well suited to a marine environment, in the fact that it is easy to make concrete structures buoyant in the. In this study, comparison has be made between plain cement concrete and lightweight concrete having different. Floating structures free download as powerpoint presentation. Modules are parallely connected to create a platform, which can be assembled from two to five modules. Floating concrete structures are used to construct a large array of. Floating concrete consists of cement, water, aggregate and air voids. If you are unable to download any of the topics mentioned below, you can mail to the admin to. Kammel, professor, biological systems engineering department, university of wisconsin cooperative extension concrete design involves three steps. The floating structures guide was developed with 32 international sponsors and 22 authors from seven major companies. Floating concrete can be effectively used for building structures such as slabs, barges, buildings etc. A pontoon bridge or floating bridge is a bridge that floats on water and in.

Various means and methods have been proposed heretofore for the construction of floating wharves, piers, and the like, in the form of reinforced concrete units. Since launching our inaugural and largest concrete floating structure, the ardjuna sakti with a 66,000 ton displacement, ctc has constructed over thirty medium to large concrete floating structures for owners along the west coast, alaska, hawaii and the java sea. Common floating structures are floating buildings, floating stores, club facilities, restrooms, and gazebos. That part of the floating wind turbine which includes the floater itself and its stationkeeping system. Large floating foundations or pontoons, docks, floats are built in one piece where launching and transportation is practical. Norway to help singapore with floating urban development. Sf marina offers a wide and versatile range of concrete pontoons. Application of structural lightweight aggregate concrete in. Its higher weight lowers the center of gravity of the whole floating object, what makes it more comfortable for life on board. Find powerpoint presentations and slides using the power of, find free presentations research about floating concrete structures ppt.

Engineers in the netherlands propose building homes that float on water. Floating structures, such as buoys, are used as means for constructing or indicating a fish farm. Technology used in our floating structures, docks and homes. Entire floating districts are among the citys visions for the future. Research paper on floating concrete civil engineering. Four major structures and several concrete breakwaters have been manufactured at the companys facility. The structure which is embedded in the concrete and which fits the transition piece so that loads from the transition piece are well distributed in the hull of the floating foundation. Report on floating and floatin concrete structures reported by aci committee 357 aci 357. Michael niaounakis, in management of marine plastic debris, 2017.

In floating concrete structures vsl tendons can be used for. Pdf determination of structural lightweight concrete mix. Ii offshore structure design and construction paul a frieze encyclopedia of life support systems eolss a jackup comprises a floating hull and three or more legs, which can move up and down relative to the hull. Floating slab construction applications and advantages of.

Jan 27, 2010 300 mt weight floating concrete structure towed form lagoon to other side of the island and placed for desalination project. Floating structures are generally manufactured from eps commonly known as styrofoam and to a lesser degree of polyethylene foam. Vsl systems have a wellearned reputation for their quality, reliability, and durability and have been used throughout the world since 1956 to build, repair, and strengthen buildings, tanks, transportation and special structures. Many landside structures can be built over water with a solid floating platform. Pdf on dec 31, 2017, min ook kim and others published determination of structural lightweight concrete mix proportion for floating. Mar 19, 2016 the floating structures guide was developed with 32 international sponsors and 22 authors from seven major companies. A floating concrete platform hull made of lightweight aggregate. Stateoftheartreport 99 pages, isbn 97828839435, august 2019. Floating concrete structures allow the use of marine spaces with important developments for urban areas, industrial plants, infrastructures and energy production. View and download powerpoint presentations on floating concrete structures ppt.