Recently, the dual mode TBM twins 'Yong'an' and 'Huasui Fenjin', jointly developed by China Railway Engineering Equipment Group Co., Ltd. under CRHIC, rolled off production line in Zhongshan and Shunde, Guangdong Province successively. They will be used to construct Guifengshan Tunnel of Zhuhai-Zhaoqing HSR Jiangji Section, a key project of Guangdong-Hong Kong-Macao Greater Bay Area.'Yong'an', the earth pressure/TBM dual-mode shield machine has excavation diameter of 14.29m. Along the excavation section measuring 3,963.5m, it has to pass through strongly weather...
发布时间:
2023
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03
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30
浏览次数：4
Eco-friendly assembled U-shaped shield pipe erecting machine for utility tunnel launches in Xiong'an New AreaLed by the Xiong'an New Area regional headquarters of CREC, 'Xiong'an', the world's first eco-friendly assembled U-shaped shield pipe erecting machine for utility tunnel jointly developed by China Railway First Group Co., Ltd., China Railway Engineering Equipment Group Co., Ltd. and China Railway Science and Industry Group Co., Ltd. affiliated to CRHIC, successfully launched on March 2. The machine is suitable for the construction of utility tunnels with long seg...
发布时间:
2023
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03
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03
浏览次数：3
Ma'anshan Highway-Railway Yangtze River Bridge is a control project of the Chaohu-Ma'anshan Intercity Railway, with steel girder being 3,248 meters long. It is designed as a three-tower and two-span bridge, with single span of 1,120 meters, continuous two-span of 2,240 meters and the middle tower of 345 meters high (equivalent to the height of a 115-floor building). The upper level is a two-way six-lane municipal road, with designed speed of 80km/h; the lower level is a four-track railway, two of which are intercity railway lines with designed speed of 250km/h, and the other two are re...
发布时间:
2023
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02
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25
浏览次数：2
On February 12, the last segment of the arch rib was accurately hoisted in place, marking the successful closure of Science and Technology City Fujiang Bridge in Mianyang, Sichuan Province. China Railway Jiujiang Bridge Engineering Co., Ltd. affiliated to CRHIC participated the construction of the bridge. Being 603 meters long, the main bridge is designed as a through steel box girder x-arch bridge, with main span of 255 meters and main arch of 62 meters high. It adopts two-way six-lane design, flanked by non-motor vehicle lane and sidewalk.The bridge's steel structure amounts to 84 sectio...
发布时间:
2023
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02
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13
浏览次数：3
On February 7, TBM 'Jishi No.1' (CREC 1250) developed by China Railway Engineering Equipment Group Co., Ltd. (CREG) under CRHIC rolled off production line in Zhengzhou. With excavation diameter of 8.33 meters, the EPB shield machine is the first TBM applied to the metro line. CREG's project team has innovatively designed and carefully manufactured the equipment based on the engineering geology, thus the machine can effectively handle clogging and such complex geological conditions as confined water formation, long distance fine sand, medium gravel layer and round gravel layer.
发布时间:
2023
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02
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08
浏览次数：2