Static structures (e.g. – buildings) – Three-way corner construction – Barrier resting on top of vertical structures; e.g. – walls
Patent
1980-04-29
1982-06-01
Faw, Jr., Price C.
Static structures (e.g., buildings)
Three-way corner construction
Barrier resting on top of vertical structures; e.g., walls
52299, 14 161, E04B 100
Patent
active
043321186
DESCRIPTION:
BRIEF SUMMARY
The present invention relates to a method of angularly adjusting a building element on a support, for example a beam on a pillar or bearer.
When mounting, e.g. a beam on a support, it must be ensured that the lateral inclination and/or the direction of the beam relative to the support element is kept within set limits. The task of manufacturing the building elements in a manner such that they conform to the defining surfaces of the jointing locations of the respective support elements within sufficiently narrow tolerances to meet the aforementioned requirements, is very costly and is almost impossible to carry out in practice. Consequently connections between building elements must be provided with intermediate spaces, in which plates, for example, can be inserted, to make vertical and lateral adjustments. This means that the connection zones must be within reaching distance of the builder, which in turn often means that he must work under extremely dangerous conditions, e.g. from high ladders, high platforms etc., in contravention of safety regulations.
At present, adjustments are normally made by packing the joint-spaces with metal shims. This results in poorer joints, inter alia because excessively high interlaminar forces are obtained in the connecting elements.
An object of the invention is to provide a method by which the disadvantages of known padding or shimming methods are overcome, the angle of a building element on a support element can be adjusted in a simple manner without requiring the use of complicated devices, an accurate result can be obtained, which can be readily carried out form the ground even though the actual support location is located at a considerable height above the level of the ground, and which permits continual adjustment of the support-angle in a given plane without impairing the qualities of the subsequently made joint.
Thus according to one aspect, the invention consists in a method of adjusting the angular position of a building element on a support element, e.g. a beam on a pillar or bearer, there being inserted between said elements an insert which acts to transfer pressure from the building element to the support element via an upper surface in engagement with a lower support surface on the building element and a lower surface in engagement with an upper support surface on the support element, characterized in that the two support surfaces and the two engagement surfaces are so formed that at the location of use:
(a) two of the surfaces are planar and mutually parallel;
(b) one surface is planar but not parallel with the surfaces recited in (a); and
(c) one surface is a curved surface which is generated by a straight line and which is brought into abutment with the non-parallel planar surface, and in that
the insert is so rotated about an axis extending perpendicularly to one of the planar surfaces that the desired angular position of the building element to the support element is obtained through line abutment of the curved surface with an adjacent planar surface.
By rotating the insert, the said angle is continuously adjusted in a given plane. This rotation of the insert can readily be carried out in practice, especially if the building element is being placed in position with the aid of a crane, since then at least some of the weight of said element on the insert can be taken by the crane before said insert is rotated.
The curved surface generated by a straight line hereinafter referred to as the single-curved surface, may be provided on any one of the three elements, i.e. either on the building element, the insert or the support element. Thus, for example, the support element may be provided with an upwardly convex, curved surface generated by a straight line. In this case the insert suitably comprises a wedge-shaped element having a planar upper surface arranged to abut the under surface of the building element, which latter two surfaces thus form said two planar parallel surfaces. The under surface of the wedge-shaped insert is planar and rests against the upper
REFERENCES:
patent: 2308157 (1943-01-01), Cathrell
patent: 2726834 (1955-12-01), Hoge
patent: 3325842 (1967-06-01), Spencer
patent: 3349418 (1967-10-01), Hein
A-Betong AB
Faw Jr. Price C.
Raduazo H. E.
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