{"id":146,"date":"2025-02-21T12:55:53","date_gmt":"2025-02-21T12:55:53","guid":{"rendered":"https:\/\/www.mmgroup.org.bd\/?post_type=portfolio&p=146"},"modified":"2025-02-21T13:16:40","modified_gmt":"2025-02-21T13:16:40","slug":"road-2","status":"publish","type":"portfolio","link":"https:\/\/www.mmgroup.org.bd\/index.php\/portfolio\/road-2\/","title":{"rendered":"Road 2"},"content":{"rendered":"\n

Road Project Technical Profile<\/strong><\/h3>\n\n\n\n

1. General Overview<\/strong><\/h4>\n\n\n\n
    \n
  • Project Name:<\/strong> National Expressway Expansion<\/li>\n\n\n\n
  • Total Length:<\/strong> 50 km (31 miles)<\/li>\n\n\n\n
  • Road Type:<\/strong> Dual Carriageway Highway<\/li>\n\n\n\n
  • Lane Configuration:<\/strong> 4 lanes (2 in each direction)<\/li>\n\n\n\n
  • Lane Width:<\/strong> 3.75 meters (12.3 feet) per lane<\/li>\n\n\n\n
  • Shoulder Width:<\/strong> 2.5 meters (8.2 feet) on both sides<\/li>\n\n\n\n
  • Design Speed:<\/strong> 120 km\/h (75 mph)<\/li>\n\n\n\n
  • Median Separation:<\/strong> 4.5 meters (15 feet) with barrier protection<\/li>\n\n\n\n
  • Intended Use:<\/strong> High-speed vehicular traffic (cars, trucks, buses)<\/li>\n<\/ul>\n\n\n\n

    2. Pavement & Surface Design<\/strong><\/h4>\n\n\n\n
      \n
    • Surface Material:<\/strong> Asphalt Concrete (Flexible Pavement)<\/li>\n\n\n\n
    • Base Layer:<\/strong> Crushed stone aggregate (300mm thick)<\/li>\n\n\n\n
    • Subbase Layer:<\/strong> Granular subbase (200mm thick)<\/li>\n\n\n\n
    • Drainage System:<\/strong> Longitudinal and cross drains with culverts every 500m<\/li>\n\n\n\n
    • Markings & Signage:<\/strong> Reflective thermoplastic lane markings and LED-lit traffic signs<\/li>\n<\/ul>\n\n\n\n

      3. Load Capacity & Traffic Flow<\/strong><\/h4>\n\n\n\n
        \n
      • Projected Traffic Volume:<\/strong> 40,000 vehicles\/day<\/li>\n\n\n\n
      • Axle Load Capacity:<\/strong> 15 metric tons per axle<\/li>\n\n\n\n
      • Weigh Stations:<\/strong> Placed at entry and exit points for trucks<\/li>\n\n\n\n
      • Toll Booths:<\/strong> Electronic toll collection at 4 locations<\/li>\n<\/ul>\n\n\n\n

        4. Bridges & Overpasses<\/strong><\/h4>\n\n\n\n
          \n
        • Number of Bridges:<\/strong> 5 (each with a length of 300 meters)<\/li>\n\n\n\n
        • Overpasses:<\/strong> 10 pedestrian and vehicular flyovers<\/li>\n\n\n\n
        • Bridge Type:<\/strong> Reinforced Concrete Box Girder with pile foundation<\/li>\n\n\n\n
        • Navigation Clearance:<\/strong> 5.5 meters (18 feet) for vehicles under bridges<\/li>\n<\/ul>\n\n\n\n

          5. Safety & Features<\/strong><\/h4>\n\n\n\n
            \n
          • Guardrails:<\/strong> Steel crash barriers along curves and slopes<\/li>\n\n\n\n
          • Emergency Lanes:<\/strong> 3.5-meter-wide emergency stopping lane<\/li>\n\n\n\n
          • Lighting:<\/strong> LED streetlights every 50 meters, solar-powered backup<\/li>\n\n\n\n
          • Speed Monitoring:<\/strong> CCTV and radar speed enforcement<\/li>\n\n\n\n
          • Rest Stops:<\/strong> Every 20 km with fuel stations, food courts, and rest areas<\/li>\n<\/ul>\n\n\n\n

            6. Environmental & Maintenance Considerations<\/strong><\/h4>\n\n\n\n
              \n
            • Noise Barriers:<\/strong> Installed near residential zones<\/li>\n\n\n\n
            • Eco-Friendly Drainage:<\/strong> Water collection and filtration for reuse<\/li>\n\n\n\n
            • Slope Protection:<\/strong> Geo-textile reinforced embankments<\/li>\n\n\n\n
            • Regular Maintenance:<\/strong> Resurfacing every 5 years, structural inspection every 2 years<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"

              Road Project Technical Profile 1. General Overview 2. Pavement & Surface Design 3. Load Capacity & Traffic Flow 4. Bridges & Overpasses 5. Safety & Features 6. Environmental & Maintenance Considerations<\/p>\n","protected":false},"author":1,"featured_media":147,"menu_order":0,"comment_status":"open","ping_status":"closed","template":"","format":"standard","meta":{"pgc_sgb_lightbox_settings":"","_vp_format_video_url":"","_vp_image_focal_point":[],"footnotes":""},"portfolio_category":[8],"portfolio_tag":[],"class_list":["post-146","portfolio","type-portfolio","status-publish","format-standard","has-post-thumbnail","hentry","portfolio_category-completed-roads"],"_links":{"self":[{"href":"https:\/\/www.mmgroup.org.bd\/index.php\/wp-json\/wp\/v2\/portfolio\/146","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.mmgroup.org.bd\/index.php\/wp-json\/wp\/v2\/portfolio"}],"about":[{"href":"https:\/\/www.mmgroup.org.bd\/index.php\/wp-json\/wp\/v2\/types\/portfolio"}],"author":[{"embeddable":true,"href":"https:\/\/www.mmgroup.org.bd\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.mmgroup.org.bd\/index.php\/wp-json\/wp\/v2\/comments?post=146"}],"version-history":[{"count":1,"href":"https:\/\/www.mmgroup.org.bd\/index.php\/wp-json\/wp\/v2\/portfolio\/146\/revisions"}],"predecessor-version":[{"id":148,"href":"https:\/\/www.mmgroup.org.bd\/index.php\/wp-json\/wp\/v2\/portfolio\/146\/revisions\/148"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.mmgroup.org.bd\/index.php\/wp-json\/wp\/v2\/media\/147"}],"wp:attachment":[{"href":"https:\/\/www.mmgroup.org.bd\/index.php\/wp-json\/wp\/v2\/media?parent=146"}],"wp:term":[{"taxonomy":"portfolio_category","embeddable":true,"href":"https:\/\/www.mmgroup.org.bd\/index.php\/wp-json\/wp\/v2\/portfolio_category?post=146"},{"taxonomy":"portfolio_tag","embeddable":true,"href":"https:\/\/www.mmgroup.org.bd\/index.php\/wp-json\/wp\/v2\/portfolio_tag?post=146"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}