Plant husbandry – Ornamental beds
Patent
1985-09-13
1987-05-19
Feyrer, James R.
Plant husbandry
Ornamental beds
47 83, 256 19, A01G 100, A01C 104, E01F 800
Patent
active
046656472
DESCRIPTION:
BRIEF SUMMARY
The invention relates to a plant bearing wall having lateral walls and a filling disposed between said walls, and in particular a plant bearing wall having noise abatement properties.
Constructions with plant formations exist. Their importance is growing as the general awareness of environmental quality increases because the aesthetic appearance of the outside walls of constructions or concrete bricks--which are increasingly used for the demarcation of land areas and also for securing slopes--is frequently spoiled by such constructive elements.
It is known from DE-PS 29 00 700 to arrange on the visible surface of concrete bricks a facing consisting of a porous, coarsely structured and biologically active material. This facing permits on the visible surface of the concrete bricks a natural life of flora and fauna, so that the surface no longer has a concrete-like appearance, but rather a pleasant aesthetic effect due to such biological greenery. However, such a facing permits only the growth of moss, since no lawn or plants can form.
A construction with living plants to be used as a sound-insulating wall is described in DE-OS 30 27 442. With this known construction, two lateral walls disposed with a spacing in between are designed as lawn mats forming an interior space filled with soil in order to maintain the growth of plants.
In most cases, constructions with living plants are found in arid locations because the selection of the location is not based on optimal biological aspects, as it is the case, for example with a noise abating wall, but rather on artifically created conditions (e.g. the course of a roadway). This means that the supply of water for the growth of plants on such constructions poses a great problem which, until now, could be solved only by additional measures such as, for example irrigation. Such measures, however, require additional expenditure.
Another serious drawback of known constructions is the aspect of mechanical stability. The loose soil contained in the interior space formed by the lawn mats on both sides causes considerable pressure to be applied to the lateral lawn mats. Therefore, for stability reasons, costly mechanical auxiliaries are required in order to handle the pressure.
Due to the constant pressure to which the lawn mats are subjected, such mats may break open or tear and such damage will cause the filling soil to trickle through the opening, which then requires expensive repair.
Futhermore, there is the danger that the construction or filling soil may be undermined or hollowed out by animals, for example rats, with the result that the construction may cave in.
Therefore, in order to assure mechanical stability, which is absolutely required, the lawn mats of known construction are provided with special steel rod or bar grates in order to maintain the lawn mats in a stable condition. In addition, the steel bar grates must be connected with each other by means of anchors extending through the filling soil in order to prevent the grates from yielding to the pressure of the soil. Such auxiliary mechanical constructions for achieving the desired stability are costly and significantly contribute to construction costs. Also, there is the hazard that such mechanical elements will corrode due to thawing salt spray mist.
The problem of mechanical stability does not exist with the afore-mentioned concrete bricks according to DE-PS 29 00 700. However, the manufacture of such a concrete brick or slab is expensive, apart from the fact that only a moss covering is possible due to the lack of soil.
The object of the present invention is to provide a construction which can be called a plant bearing noise abatement wall, which requires only a minimum of auxiliary mechanical means for the required stability and which, furthermore, is completely independent of the water supply situation.
This object is accomplished according to the present invention by providing the filling between the walls of the plant bearing wall in the form of a self-supporting, stable substrate representing a nutr
REFERENCES:
patent: 2113523 (1938-04-01), White
patent: 2121173 (1938-06-01), MacPherson
patent: 2279735 (1942-04-01), Gates
patent: 3992812 (1976-11-01), Horowitz
Behrens Wolfgang
Krupka Bernd
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