A method of creating ice crossing

 

(57) Abstract:

The invention relates to the field of hladotehnika, in particular to the creation of ice crossings on natural ice for traffic. The invention is directed to increasing the carrying capacity of the ice crossing. The technical result is achieved due to the space beneath the ice cover on the way the ice terminal insulating material. 1 Il.

The invention relates to the field of hladotehnika and can be used when creating crossings on natural ice for traffic.

The prior art known from the method of ice crossings without superstructure on natural ice, which consists in preparing a route through early clearing of the ice surface along the intended path from snow to accelerate the growth of ice (Peschansky, I. C. Lagoudera and hladotehnika. - L.: Sea transport, 1963. - 245 C. -[1]).

The disadvantage of this method is insufficient bearing capacity of the ice cover that is used as a terminal, due to the low strength of the lower layers of ice due to the temperature drop across the thickness of the ice cover from 0oC on the bottom edge to temperatute centuries, Gavrilo B. N. Ice. The physical properties. Modern methods of glaciology. - L.: Gidrometeoizdat, 1981. - 384 S.- [2]).

The task of the invention is to provide a reliable ice crossing.

Technical result achieved when the task is to increase the strength of the ice cover.

The essential features characterizing the invention.

Restrictive: scraping ice from snow.

Distinctive: in ice cover along the intended path of the ice crossing prepare a slot, through which the ice is placed a layer of insulation material and then press it to the bottom surface of the ice cover.

It is known [2] that the temperature decrease of the ice cover leads to an increase in its strength characteristics and a more intensive growth of its thickness. If under the bottom surface of the ice cover to place a layer of insulation material, the temperature of ice on the top and bottom surfaces decreases. I.e., the temperature of the lower layer of ice will fall. This will increase the strength of the ice, and, if the insulating layer is made of water-permeable fabric and between the ice and the PSS is based on the ability of the ice crossing increases both due to the increase of the strength properties of ice, and by increasing the thickness of the ice cover.

The method is as follows.

Along the planned ice road ice crossing from one side of the ice tracks are produced along the entire length of the slot through which the ice is placed a layer of insulation material, for example, in the form of a strip of fabric having heat insulating properties and having a width not less than the width of the track. Then one of the edges of the layer of insulating material is fixed on the upper surface of the ice cover. On the other hand ice route along its entire length drill the holes through which using the usual cables under the ice layer of insulating material straighten under the ice and press the edge of the material, the opposite is fixed to the lower surface of the ice cover. After the time required for complete solidification of the slot and marajuana cables, wound through the holes prepared in this way ice crossing is exposed to natural low temperature for the time required to reach the minimum temperature difference at the top and bottom surfaces of the ice cover. After this ice perar is you by hardening of the ice cover.

In ice cover 1 along the intended path crossing from one side of the ice track along its entire length are prepared in slot 2, through which the ice is placed a layer of insulating material 3 of a width less than the width of the ice road. Then the edge of the layer of material 4 is fixed on the upper surface of the ice cover. On the other hand ice route along its entire length drill holes 5, through which with the aid instituted under the ice 1 6 cables straighten the strip material 3 under the ice and press the edge of the material 7, opposite the fixed edge 4, to the lower surface of the ice cover 1. After complete freezing of the slot 2 and the holes 5 and the time required to reach the minimum temperature difference at the top and bottom surfaces of the ice cover, ice crossing is ready for operation.

The way to create icy crossing, which consists in Stripping the ice surface from snow, characterized in that the ice cover along the intended path of the ice crossing prepare a slot, through which the ice is placed a layer of insulation material and then press it to the bottom surface of the ice cover.

 

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