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中铁装备将造超大直径盾构机
2017-09-04 08:16:52 中国青年网
本报讯(记者尹江勇)多年来,全球的超大直径盾构市场一直由国外品牌垄断,这一局面将被国内企业打破。9月1日,记者从中铁高新工业股份有限公司获悉,其成员企业中铁工程装备集团有限公司已正式中标深圳市春风隧道工程超大直径盾构采购项目,中标金额达3亿多元。
中铁装备本次中标的设备为一台泥水平衡盾构机,与中铁隧道局联合研制,将应用于深圳市春风隧道工程。该设备开挖直径约15.8米,整机约4300吨,长约140米,将是迄今我国自主设计制造的最大直径泥水盾构机,标志着中国盾构机的设计制造迈向高端化,正在全面抢占世界掘进机技术制高点。
超大直径泥水平衡盾构机具有对周边环境影响小、工厂化作业程度高、地面沉降控制精度高、安全快速的特点,在我国一系列的跨江越海隧道施工中有着独特优势,是“中国制造2025”规划中重点发展的高端装备。此前,超大直径泥水平衡盾构机的核心技术一直被少数发达国家垄断,为了改变这种受制于人的局面,中铁装备组织优势研发团队,攻关突破了多项核心技术,所中标的设备集合了超高承压能力系统集成设计、常压换刀刀盘技术、伸缩摆动式主驱动技术、双气路压力控制技术、智能化程度高五大创新点,填补了国内超大直径泥水平衡盾构机研制的空白。
据了解,春风隧道工程是深圳市“东进战略”的重大交通项目之一,是深圳市首条“单洞双层”构造的机动车隧道。③7
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