Static structures (e.g. – buildings) – Processes – Anchor – bond – etc.
Patent
1980-10-03
1984-04-17
Ridgill, Jr., James L.
Static structures (e.g., buildings)
Processes
Anchor, bond, etc.
E04G 2100
Patent
active
044426518
DESCRIPTION:
BRIEF SUMMARY
The present invention refers to plants, building construction and industrial building establishments.
As a result of vacant shipyard capacity, problems of environmental protection etc. and because there is a great need for such types of buildings as processing plants, industrial, hospital and hotel buildings, etc., the development of floating factories with compact processing plants and intensively utilized buildings has been accelerated. Projects intended to satisfy these needs are at present chiefly orientated towards single projects administered via industrial enterprises in industrialized countries.
Known procedures are the manufacturing and towing of complete barge- or ship-based industrial plants, e.g. petrochemical or hospital buildings, etc. in one unit or divided up into several units.
One great problem with such plants is that they cannot be permitted to spread out, to expand, as land-based industrial plants can. It is necessary to build as compactly as possible, and the possibility of extremely trying conditions at sea and on beaches must be taken into account. These conventional, compact, more or less seaworthy plants suffer from unfavourable conditions for operation and maintenance--and they are therefore expensive.
The barges on which the plants are built, and which usually form the future foundations, float on the water but are as a rule not dimensioned for towing at sea. In accordance with known techniques the units, consisting of a foundation in the form of a barge, are therefore loaded together with the plant onto very large transport barges of steel, which are towed by sea-going tugs.
In the neighbourhood of the place of destination, the units are then unloaded and the foundation barges towed in towards the beach, where they are placed separately or adjoining one another on a bed constructed below the water.
The destination area is usually given the form of a basin. After the laying-up bed has been made, the basin is refilled as a rule with earth, and the plant thus functions as a land-based unit, with its foundation below sea-level or water table.
Many of the disadvantages entailed by this known technique can be avoided, and many surprisingly substantial advantages can be achieved, if a procedure and arrangements as described in the invention are used.
When, by means of the present invention, it also becomes possible to move entire sea-transported processing plants, hotels, hospitals, etc. ashore, where there are possibilities of expanding and growing and where risks for damage to sea and ground water are to be avoided, increased interest can be expected in prefabricated sea-transported plants.
The method of procedure described in the invention does as a matter of fact enable use to be made of existing highly sophisticated and specialized production resources, as well as advanced technology and skills even if, and above all, these are not available at or in the neighbourhood of the place where the plant is to be used.
BRIEF SUMMARY OF THE INVENTION
In order to explain the character of the invention, a description is given below of the method or procedure and arrangements as well as of the advantages obtainable by use of the invention. The examples given do not restrict the scope of the patent requirements.
One of the aims of the invention is to do without the above-mentioned foundation barges entirely, and instead to build the plant on a foundation of concrete (non-tensioned reinforced or prestressed), steel or the like, which after any necessary or desirable testing of the plant can be launched or assembled on a large transport barge suitable for towing at sea.
The unit, consisting of foundation and plant, is then unloaded from the transport barge and put ashore at the place of destination.
Naturally, the units consisting of a foundation and tne plant can be built wholly or partly directly on the transport barge, and can thereafter be tested and given a trial run if this is found necessary.
Naturally also, the invention provides for combination of the methods of construction, assemb
REFERENCES:
patent: 4283890 (1981-08-01), Takeda et al.
Sterling Homex Corporation Annual Report for 1970, p. 13.
War Department Technical Manual issued Sep. 15, 1943.
NYA Asfalt AB
Ridgill, Jr. James L.
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