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    • Ji-Yu Doko

      Hyundai E&C won 1st section of Geomdan Extension Line of Incheon Urban Railroad Line 1 with 3km long tunnel

      Hyundai E&C ( Hyundai Engineering & Construction) won an order for the 1st section of Geomdan Extension Line of Incheon Urban Railroad Line 1, which amounted to KRW 1925 billion. Hyundai E&C won the contract with Hyundai Engineering & Construction Co., Ltd. including Yeongdon...

      Tags: Korea, tunnels, korea tunnels, Hyundai tunneling

      • Ji-Yu Doko

        The Smart Construction Technology and Safety Expo held at KINTEX, Ilsan showcases Korean Tunnel Boring Machine (TBM) and construction industry digitization technologies of BIM (3-D digital modeling), VR (Virtual Reality), AI (AI) and automation based process management. http://www.conslove.co.kr...

        Tags: Korea, Construction, Technology

        • Ji-Yu Doko

          Seoul Metropolitan Government starts construction of tunnel for extension of subway line 8

            Seoul Metropolitan Government announced that it will start construction of the tunnel under the Han River today (Thursday) to build the section between Amsa-dong and Guri-si Topyeong-dong, Gangdong-gu, on the extension of subway line 8. The extension of subway line 8 (Byeolnae) starts f...

          Tags: Korea tunnel, Korea

          • Ji-Yu Doko

            Seoul Metropolitan Government announced that it will start construction of the tunnel under the Han River today (Thursday) to build the section between Amsa-dong and Guri-si Topyeong-dong, Gangdong-gu, on the extension of subway line 8. The extension of subway line 8 (Byeolnae) starts from Amsa S...

            Tags: Korea

            • Ji-Yu Doko

              Hoban Group won construction of GTX A line (GTX-A line 5) of the metropolitan area Gripper TBM

                On January 20, 2020 Hoban Group inform that they won an order to supply the Gripper Tunnel Boring Machine (TBM) for the GTX A line (GTX-A line 5) of the metropolitan area. The GTX-A line is the first of the GTX lines, and connects Unjeong Station in Paju-si, Gyeonggi-do with Dongtan...

              Tags: Korea, 호반, 호반 TBM, Hoban TBM, Hoban Tunnel Boring Machine

              • Ji-Yu Doko

                Making Tunnels Fast and Safe. Hyundai E&C Patented TBM Technology

                Making Tunnels Fast and Safe. Hyundai E&C Patented TBM Technology   (original Hyundai explanation:)  https://news.hyundaimotorgroup.com/Article/Hyundai-EnC-Patented-TBM-Technology?mainYn=Y&num=3) A tunnel boring machine (TBM) is an automated machine used to excavat...

                Tags: Korea, Korea tunnel boring machine

                • Ji-Yu Doko

                  Hoban win another big contract for Gripper Tunnel Boring Machine (TBM). This time Dobongsan-Okjeong line

                  Hoban TBM announced on the 17 March 2020 that it has won the construction of the Gripper Tunnel Boring Machine (TBM) for the Dobongsan-Okjeong Metropolitan Railway Section 2. Size of contract is KRW 34.3 billion (US$ 28m). Hoban TBM is Korean industry group Hoban Group's constructio...

                  Tags: Korea, Korean Tunnel boring machine, Gripper tunnel boring machine

                  • Ji-Yu Doko

                    Gyeonggi subway line 7 extension

                    photo from Yangju city

                    Tags: Korea

                    • Ji-Yu Doko

                      Huangbang Mountain Tunnel Proposal discussed again

                        Hwangbangsan Mountain is between Jeonju city and western new town. Jeonbuk Research Institute first proposed in 2012 this tunnel. Plan is to split traffic between two sides with tunnels. Construction cost 17 billion won. KBS News write it is again talked because it was number on...

                      Tags: Korea

                      • Ji-Yu Doko

                        Estimation Method for TBM Cutterhead Drive Design Based on Full-Scale Tunneling Tests for Application in Utility Tunnels

                        Estimation Method for TBM Cutterhead Drive Design Based on Full-Scale Tunneling Tests for Application in Utility Tunnels   Kyoungyul Kim 1, Jungjoo Kim 1, Heehwan Ryu 1, Hafeezur Rehman 2, Turab H. Jafri 3, Hankyu Yoo 2 and Sanggui Ha 2 1 Next Generation Transmission & Substatio...

                        Tags: Korea