昆明地铁盾构选型设计分析与探讨

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Abstract Research purposes: With the rapid construction of the Kunming metro，the shield construction begins to the sectional tunnel． How to make the lectotype of the main shield system to reduce the impact of the shield construction on the environment under the complicated hydrological condition of the sedimentary deposit of the Dianchi Lake and the special construction conditions is an urgent problem to be solved． According to the situation of shield excavation and based on the experience of the shield construction of the metro in other cities，this paper analyzes and discusses the tectotype of the main shield system to be used under the special geological conditions of the Kunming metro．

Research conclusions: The adaptabilities of the lectotype designs of the main shield system to the construction condition，such as physical structure，cutter head，drilling and excavation of shield machine，should be ensured to reduce the excavation risk except the necessary measures should be taken．

Key words： Kunming metro shield lectotype design adaptability

Received: 30 March 2011

PACS:

U121

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Cite this article:

LIANG Bo. Analysis and Discussion on Shield Lectotype Design for Kunming Metro[J]. 铁道工程学报, 2011, 28(5): 92-97.

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http://tdgcxb.crec.cn/EN/ OR http://tdgcxb.crec.cn/EN/Y2011/V28/I5/92

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