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STUDY ON THE FRACTURE MECHANISM AND THE STRUCTURE FORMS OF SHAFT LINING IN HUGE ALLUVIUM

吕恒林LV Henglin LV Tianfeng ZHOU Shuchun LIU Hongwei

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摘要/描述

With the thickness of alluvium increasing, the shaft lining designed with traditional theory will not match the demand of service life of the mine. According to the numerical simulation calculations and combining with the theoretical analyses, physical analogue tests and field measurements results, the cracking process and the ultimate bearing capacity of the different shaft linings, the dynamic laws of stress and strain inside the shaft lining acted by the high horizontal soil and water pressure, gravity and the additional vertical force are studied. Then, this paper summarizes the fracture mechanism of the different shaft lining in 300~600 meters alluvium. The reasonable shaft lining structure forms which can match the service life in different thickness of alluvium are put forward. That provides the theoretical references and engineering parameters for the choice of materials and structure design of shaft lining in huge alluvium.

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【免责声明】以下全部内容由[吕恒林]上传于[2007年04月29日 17时20分02秒],版权归原创者所有。本文仅代表作者本人观点,与本网站无关。本网站对文中陈述、观点判断保持中立,不对所包含内容的准确性、可靠性或完整性提供任何明示或暗示的保证。请读者仅作参考,并请自行承担全部责任。

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