FIELD: construction engineering; laying pulp lines in seismic regions and under permafrost conditions. SUBSTANCE: proposed anchor support has foundation, two dampening supports and seat. Each dampening support is made in form of flat springs which are connected with seat and clip embracing the pulp line; said springs have elliptical profile in vertical plane. Located horizontally inside each spring is tension spring whose ends are connected with flat spring by means of additional clips. Frequency of natural oscillations of tension spring is not multiple of natural oscillations of flat spring. EFFECT: enhanced reliability. 2 dwg
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|
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| METHOD OF PROTECTING DEVELOPMENT WORKINGS IN WINNING OF COAL SEAMS | 2001 |
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RU2188949C1 |
