{"id":35101,"date":"2025-06-09T19:31:31","date_gmt":"2025-06-09T15:31:31","guid":{"rendered":"https:\/\/airsystems.ge\/shop\/?post_type=product&#038;p=35101"},"modified":"2025-06-09T19:31:32","modified_gmt":"2025-06-09T15:31:32","slug":"highway-noise-barrier-alphafon-hb","status":"publish","type":"product","link":"https:\/\/airsystems.ge\/shop\/product\/highway-noise-barrier-alphafon-hb\/","title":{"rendered":"Highway Noise Barrier ALPHAfon \u2013 HB"},"content":{"rendered":"<p>Highway noise metal barrier\u00a0<strong>ALPHAfon-HB<\/strong>\u00a0is a highly efficient Acoustic Reflection (Air born noise insulating) and sound absorptive solution for noise control in highways or other roads, railways and other mechanical noise sources.<\/p>\n<p><strong>ALPHAfon HB.S<\/strong>\u00a0\u2013 Shells made of\u00a0special compound metal sheet (COR-TEN)<\/p>\n<p><strong>ALPHAfon HB.A<\/strong>\u00a0\u2013 Shells made of Aluminum<\/p>\n<p>The highway noise metal barrier<strong>ALPHAfon-HB<\/strong>\u00a0is made from aluminum sheet or\u00a0 a special compound metal sheet (COR-TEN) at the external side and perforated aluminum sheet or perforated special compound metal sheet (COR-TEN) at the noise source side.<br \/>\nThe top and the bottom side of the barrier are properly formed (projection \u2013 cavity) in order to achieve perfect sound sealing but also to improve its bending strength.<br \/>\nInternally it is filled with sound-absorbing material, mineral wool, water repellent, with appropriate density and covered with thin protective glass-wool cloth.<br \/>\nThe noise metal barrier has great durability against time and ultraviolet radiation. It is water repellent, consists of incombustible materials and it can be easily replaced if needed.<br \/>\nThe standard color in both sides is Ral 9002 but both sides can be painted in any Ral Color to match different project requirements.<\/p>\n<p>The highway noise metal barrier\u00a0<strong>ALPHAfon-HB<\/strong>\u00a0meet all \u00a0the requirements of European Standards\u00a0 \u0395\u039d 1793-1 \u03ba\u03b1\u03b9 \u0395\u039d 1793-2 regarding the noise reduction and the sound absorption coefficient.( Acoustic parameters DLa \u03ba\u03b1\u03b9\u00a0 DLr)<\/p>\n<p><strong>Installation<\/strong><\/p>\n<p>The highway noise barrier\u00a0<strong>ALPHAfon-HB<\/strong>\u00a0is installed by sliding the panels in a HE metal profile pillar according to the structural study (the use of specially designed plastic side covers allows the installation of the panel in different sizes of HE profile posts).<br \/>\nThe top and bottom sides of the metal barrier need protection with appropriate metal profile coverings.<br \/>\nBuilding an appropriate concrete base at the bottom of the barrier is highly recommended.<\/p>\n<table>\n<thead>\n<tr>\n<th>Characteristics<\/th>\n<th>Measurement Method<\/th>\n<th>Results<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Acoustic Reflection (Airborn Sound\u00a0\u00a0\u00a0Insulation)<\/td>\n<td>Assessment Index (EN 1793-2)<\/td>\n<td>DLR=25dB Cat.B3<\/td>\n<\/tr>\n<tr>\n<td>Acoustic Absorption (Sound Absorption)<\/td>\n<td>Assessment Index (EN 1793-1)<\/td>\n<td>DL\u03b1=20dB Cat.A4<\/td>\n<\/tr>\n<tr>\n<td>Self Weight<\/td>\n<td>Weight(kN\/element) (EN 1794-1 appendix B)<\/td>\n<td>dry= 0,202 \/ wet= 0,785 \/ reduced wet= 0,222<\/td>\n<\/tr>\n<tr>\n<td>Maximum Vertical Load<\/td>\n<td>(EN 1794-1 appendix B.3.2)<\/td>\n<td>Horizontal deformation: 10,0mm load of \u00a0\u00a0\u00a0the structural element 4,45kN\/m<br \/>\nVertical deformation : 5,49mm<\/td>\n<\/tr>\n<tr>\n<td>Maximum Normal Load<\/td>\n<td>(EN 1794-1 appendix A)<\/td>\n<td>Positive result \u2013 project load equal to 1,5 kN\/m2<\/td>\n<\/tr>\n<tr>\n<td>Hazard of Falling Debris<\/td>\n<td>(EN 1794-2 appendix B)<\/td>\n<td>CLASS 3<\/td>\n<\/tr>\n<tr>\n<td>Light Reflection<\/td>\n<td>Average GU measure \u00a0\u00a0\u00a0with angle 20\/60\/85o<br \/>\n(EN 1794-2 appendix E)<\/td>\n<td>Drilled side 83,2 \/ 148,5 \/ 42,2<br \/>\nUndrilled side 285,0 \/ 476,1 \/ 11,4<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"excerpt":{"rendered":"<p>A highly efficient noise insulating and sound absorptive solution for noise control in highways or other roads, railways and other mechanical noise sources.<\/p>\n","protected":false},"featured_media":35102,"template":"","meta":[],"product_brand":[],"product_cat":[773,1713],"product_tag":[],"class_list":{"0":"post-35101","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-acoustics-noise-vibration","7":"product_cat-mechanical-noise-control","9":"first","10":"instock","11":"shipping-taxable","12":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/airsystems.ge\/shop\/wp-json\/wp\/v2\/product\/35101","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/airsystems.ge\/shop\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/airsystems.ge\/shop\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/airsystems.ge\/shop\/wp-json\/wp\/v2\/media\/35102"}],"wp:attachment":[{"href":"https:\/\/airsystems.ge\/shop\/wp-json\/wp\/v2\/media?parent=35101"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/airsystems.ge\/shop\/wp-json\/wp\/v2\/product_brand?post=35101"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/airsystems.ge\/shop\/wp-json\/wp\/v2\/product_cat?post=35101"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/airsystems.ge\/shop\/wp-json\/wp\/v2\/product_tag?post=35101"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}