Finite element analysis of temperature field features in frozen wall of longgu well;
龙固矿副井冻结壁温度场有限元数值模拟
The effects of groundwater flow on the formation of frozen wall and the establishment of mathematical model;
地下水流对冻结壁形成影响的数学模型建立
Elastic and plastic model for calculattion of frozen wall stress and displacement field;
弹塑性本构模型计算冻结壁应力场和位移场
Study on calculation theory for mine shaft viscous-elastic-plastic freezing wall;
粘弹塑性冻结壁计算理论研究
Mechanics analysis on cylinder freezing wall and mine shaft liner in deep thick overburden;
深厚表土中圆筒形冻结壁和井壁的力学分析
From the aspects of the design and improvement of freezing wall,the application of new type machine and measuring level,it discusses the main technique achievement,and points out the place to be perfected.
介绍了冻结法的应用范围及优点,回顾了冻结法的施工发展史,从冻结壁的设计改进、新型机械的应用、监测水平等方面论述了冻结法的主要技术成就,指出了有待完善的地方。
Excessive displacement of frozen soil wall of deep well in the Huainan and Huaibei districts, Anhui, results in cracking of frozen pipes in frozen soil wall.
针对两淮地区深冻结井中冻结壁位移过大，造成冻结管断裂的问题，建立数学模型模拟分析冻结壁壁面位移分布规律，找出停止掘进时冻结壁壁面位移与其影响因素———段高ｈ ，冻结壁厚度Ｂ ，工作面冻实情况，冻结壁平均温度Ｔ ，冻结壁暴露时间ｔ ，地压 Ｐ 之间的关系，提出了实际掘进过程中冻结壁壁面位移的分段常段高叠加计算方法，在此基础上，得出了冻结壁设计取决于冻结壁面位移时的冻结施工优化设计步骤。
According to the local horizontal freeing construction of a metro tunnel,the surface subsidence in the procedure of tunnel excavation is forecasted and the fields of stress and strain in tunnel frozen soil wall is analyzed,the results and the survey of project are equally.
利用ADINA软件针对某工程实例隧道建立了有限元模型,然后对其开挖过程中地表沉降进行了预测并分析了隧道及冻结壁的应力与位移场,其结果与工程实测值相符;在此模型基础上,对隧道水平局部冻结法施工引起地表变形的相关因素进行了模拟分析,结果表明:冻结法施工时,增加冻结壁厚度对地表沉降影响并不大,而采用扩大冻结壁的范围或减小隧道半径及埋深的方法可有效地控制地表沉降,这对今后的冻结法施工设计有借鉴意义。
Based on the in-situ measurement of temperature during freezing sinking,the influence of the temperature field of ice wall on that of outer shaft wall was studied.
通过对龙固副井冻结凿井期间外壁与冻结壁温度的现场实测,研究了冻结壁温度场对外壁水化热温度场的影响,获得了特厚冲积层冻结凿井期间外壁及冻结壁温度变化的基本规律。
According to the displacement features of ice wall a composite trigonometric function is used to approximate the deflection curve of freeze pipe to get the distribution of inner forces on freeze pipe.
根据在深表土掘进中冻结壁井帮位移特征，采用复合三角函数曲线逼近挠度曲线近似求解冻结管的内力分布，研究表明，在掘进段附近，冻结管主要作用力是弯矩，并伴有拉伸、剪力的复合作用，存在多处受力峰值。
After thawing out of the frozen wall,Guqiao Auxiliary Shaft is grouted and blocking water,pouring water is restricted in the allowable range,whic can provide a successful references to the mine construction of similar stratum.
对顾桥副井在冻结壁解冻后进行注浆堵水并将淋水限制在允许范围内的成功经验进行了深入的分析与总结,为类似地层的矿井建设提供借鉴。
A Non-linear Number Analysis of the Frozen-wall;
冻结凿井时冻结壁的非线性数值分析
Study of the Characteristics of Frozen Wall Formation in the Ultra-Long Horizontal Freezing Process of a Subway Construction
地铁超长水平冻结法冻结壁形成特性研究
A Numerical Analysis of the Ice-wall Thickness and the Freezing Period for Guangzhou Metro Tunnel;
广州某地铁隧道人工冻结法施工冻结壁厚度及冻结周期计算
Numerical Simulation of Freeze Temperature Field and Frost Heave in Subway Tunnel Construction with Artificial Ground Freezing Method
地铁隧道冻结法施工冻结壁温度场及地表冻胀位移数值试验研究
In-Situ Measurements and Analysis of Frost-Heave Pressure Inside and Outside the Ice Wall During Freeze Sinking
冻结法凿井冻结壁内外部冻胀力的工程实测及分析
Study on the Effect of Hydration Heat to Frozen Soil Wall and Shaft Lining;
混凝土水化热对井壁和冻结壁的影响研究
Study on the Interaction between Frozen Soil Wall and Shaft Lining in Deep Alluvium
深厚冲积层冻结壁与井壁相互作用研究
Study on the Temperature Change of the Ring Path of the Internal Surface of the Frozen Wall after Moldings
砌壁后冻结壁内表面环向温度变化特征分析
A STUDY ON INTERACTION MECHANISM OF FROZEN SOIL WALL AND SHAFT LINING IN DEEP ALLUVIUM
深厚冲积层冻结壁和井壁共同作用机理研究
A research on frozen wall temperature field thawing characters under multi-coil tube freezing
多圈管冻结下冻结壁温度场融化特性的实测研究
Analysis of influencing parameters of temperature field within freezing wall of subway tunnel construction with horizontal ground freezing
地铁隧道水平冻结法施工冻结壁温度场影响参数分析
A Study on Mechanical Characteristic of Frozen Soil Wall and Shaft Lining as Well as Their Interaction Mechanism in Deep Alluvium;
深厚冲积层冻结壁与井壁的力学特性及其共同作用机理研究
Early grouting mechanism and application between thick freezing shaft walls
深厚冻结井壁壁间前注浆机理与应用
The Temperature Field Study on Cup-shaped Freezing Soil Wall of Horizontal Freezing Reinforcement for Shield Tunneling Setting Out
盾构出洞水平冻结加固杯型冻土壁温度场研究
Study on mechanical characteristics of reinforced concrete arc shaft wall in frozen shaft
冻结井钢筋混凝土弧形板井壁力学特性研究
Freeze Sinking Sidewall's Stress Analysis Considering Damage under Complicated Load;
复杂荷载下冻结凿井井壁损伤应力分析
The Fluiding and Early Strength Shaft Lining Concrete Research in the Condition of Freezing;
冻结条件下流态早强井壁混凝土的研究
Research and Application on the High-performance Concrete Used for Freezing Shaft Wall;
顾北矿井冻结井壁高性能混凝土的研究和应用