Rail-post from travertine in Almaty

Rail-post for a ladder from travertine.

Rail-posts (from other - Greek  — a flower of wild pomegranate) in architecture — the low figured columns in the form of columns (sometimes with a carved decor) supporting a handrail of protections of balconies, ladders etc.; are produced from a tree, a stone, metal, marble, etc. Also can have an appearance in one plane.

The most ancient copy of the image of rail-posts is found on bas-reliefs in Assyria. Began to apply to dressing of facades, and also parks of a rail-post during an era of the early Renaissance. The rail-post in its modern look is offered by the architect Giuliano da Sangallo who issued it ladders of the palace of Medici. But, rail-posts became popular only since the 16th century thanks to Michelangelo.

Wooden rail-posts are made of crude and prosushny material, on technology of pasting. It is possible to apply any section on a tree.

Rail-posts as elements are actively applied in furniture production.

In forms, on a way of production wooden rail-posts conditionally are divided into 3 groups:

Fine-molded rail-posts. Are carried out on ordinary turning machines and have a shape of bodies of rotation.
The milled rail-posts at which there are various types of cutting (longitudinal, screw, koca etc.).
Rail-posts with carving elements. They are made with the help mnogoosevykh machines with NPC (numerical program control).
Rail-posts from concrete usually have an appearance of a flowerpot, convex from top to bottom, or the mini-column, in the center having a banner.

Still rail-posts carry out protective function, preventing from possible falling from a ladder. Na a ladder march of a rail-post establish on one or on two on each step or on a ladder bowstring on one or on two on each step of rise. Na the horizontal site of a balustrade the distance between the centers of rail-posts has to be in limits of 15 - 20 cm.