NOISE-AND-DUST PROTECTIVE GUARD Russian patent published in 2003 - IPC

FIELD: noise-and-dust protective guards mounted along automobile rods, railways, construction sites, industrial objects. SUBSTANCE: proposed noise-and-dust protective guard has foundation with at least one vertical strut whose free end is connected with beam mounted in horizontal position and shield made in form of noise-and-dust absorbing module assembled from geodiaphragm, geocloth, geograte and geotextile screen laid in succession and secured together over perimeter and field of stack. Secured in upper part of stack over entire length on side of geodiaphragm is rigid member which is connected with beam by means of flexible coupling; rigid member provided with bearing projection is secured in lower part. Sound-absorbing module is provided with additional geotextile screen laid on main geotextile screen on side of noise and dust sources. Geograte may be filled with soil and seeds of grass and flowers may be added. EFFECT: enhanced efficiency of noise absorbing; reduced rigidity and mass; extended field of application. 6 cl, 1 dwg