{"id":133679,"date":"2025-11-19T11:28:57","date_gmt":"2025-11-19T10:28:57","guid":{"rendered":"https:\/\/www.maccaferri.com\/id\/success-stories\/sentani-national-road-rockfall-protection-2\/"},"modified":"2026-02-03T11:33:13","modified_gmt":"2026-02-03T10:33:13","slug":"sentani-national-road-rockfall-protection","status":"publish","type":"stories","link":"https:\/\/www.maccaferri.com\/id\/success-stories\/sentani-national-road-rockfall-protection\/","title":{"rendered":"SENTANI NATIONAL ROAD ROCKFALL PROTECTION"},"content":{"rendered":"
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    SENTANI NATIONAL ROAD ROCKFALL PROTECTION_0<\/p>\n \n <\/div>\n <\/div>\n <\/div>\n <\/div>\n

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    The vegetation has grown on Steelgrid\u00ae HR 30 + MacMat\u00ae EM<\/p>\n \n <\/div>\n <\/div>\n <\/div>\n <\/div>\n

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    MacRo Software result<\/p>\n \n <\/div>\n <\/div>\n <\/div>\n <\/div>\n

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    Overview of installed Steelgrid\u00ae HR 30 + MacMat\u00ae EM as netting<\/p>\n \n <\/div>\n <\/div>\n <\/div>\n <\/div>\n <\/div>\n <\/div>\n\n <\/div>\n <\/div>

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    Challenge<\/h3>\n <\/div>\n <\/div>\n <\/div>\n <\/div> \n <\/div>\n
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    The road connecting Sentani Airport to the downtown of Jayapura province in Papua is prone to rockfall hazard due to the weathered conditions of the rock slopes surrounding the infrastructure. Several incidents occurred in the past years which involved vehicles and people using the national road. Shotcrete, as a passive protection system, has already been applied in some locations. However, shotcrete resulted in being too and easily damaged due to its poor draining properties and flexibility. The total length of the slope that needs to be protected during this first project stage is approximately 32 m, while the total height of the slope reaches 75 metres with an inclination on the horizontal up to 57\u00b0. <\/p>\n <\/div>\n <\/div>\n <\/div>\n <\/div>\n <\/div>\n <\/div>\n

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    Solution<\/h3>\n <\/div>\n <\/div>\n <\/div>\n <\/div> \n <\/div>\n
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    The solution chosen by the Ministry of Public Works was to substitute the expensive and rigid shotcrete protection with a more flexible and permeable secured drapery system in order to minimize the rockfall risk and also reduce the maintenance previously needed. The designer conducted the analysis of the drapery system using MACRO 1 software. As a result, SteelGrid\u00ae HR 30 combined with 2.5 metres of anchors (2×2 m of spacing) was selected as suitable for this case. Thanks to this successful experience, the public works department is preparing to use the same method for other locations along the Sentani national road. <\/p>\n <\/div>\n <\/div>\n <\/div>\n <\/div>\n <\/div>\n <\/div>

    Used Products<\/h2>
    \"MacArmour<\/div>
    MacArmour & SteelGrid<\/h6>MacArmour MacArmour is a 2-in-1 product that combines a homogeneous structure of bi-directional steel wire ropes with double twist wire me<\/span>View\n \n <\/a>
    star<\/span><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div>","protected":false},"excerpt":{"rendered":"

    The solution chosen by the Ministry of Public Works was to substitute the expensive and rigid shotcrete protection with a more flexible and permeable <\/p>\n","protected":false},"featured_media":9454,"parent":0,"menu_order":0,"template":"","stories-category":[],"stories-tag":[],"class_list":["post-133679","stories","type-stories","status-publish","has-post-thumbnail","hentry"],"acf":{"products":[135188],"applications":[128308,128308],"solutions":[128462],"sectors":[128261]},"yoast_head":"\nSENTANI NATIONAL ROAD ROCKFALL PROTECTION - Maccaferri Indonesia<\/title>\n<meta name=\"description\" content=\"Explore our Success Stories: SENTANI NATIONAL ROAD ROCKFALL PROTECTION. 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