concrete shaft lining

Finally a simple and precise criterion for concrete shaft lining failure is established on the basis of test data.

应用不同的约束混凝土强度理论，对混凝土井壁的竖向极限承载能力进行了计算分析，通过与试验结果的比较，认为进行混凝土井壁的竖向极限承戴能力计算采用Ｏｔｔｏｓｅｎ准则和Ｐｏｄｇｏｒｓｋｉ准则较合适，为计算方便和精确，又对各种在等值侧压条件下混凝土破坏准则进行了分析，最后利用试验结果，建立了一个形式简单、物理概念明确的混凝土井壁破坏准则，从而得到了该种井壁的竖向极限承载能力计算公式，可供设计时采用。

ased on the researches of model tests of concrete shaftlining under non-homogeneous lateral pressure,the resultS were presented in the current designing that considerable wellbearing capacity was obtained and the tensile stresses were eradicates in the frozen shaftlining.

通过不均匀侧压力下冻结井筒混凝土井壁结构模型的试验研究。

A finite element program is worked out for the concrete shaftlining under non-homogeneous lateral pressure, it is applied to calculate the concrete shaftlining, the results are presented in the current designing that considerable well bearing capacity is obtained and the tensile stress is eradicated in the frozen shaftlining.

本文编制了不均匀侧压下混凝土井壁结构分析的非线性有限元程序，并用它对井壁结构模型进行了计算分析。

Study on the coupling mechanism between reinforced concrete shaft lining and thick surrounding rock(soil);

钢筋混凝土井壁与深厚围岩(土)耦合机理的研究

In order to evaluate the working performance of the CFST shaft lining support member comprehensively,based on the model experiment,FEA software is used to simulate and analyze its mechanical properties.

为能更全面评价钢板混凝土井壁的受力性能,在模型试验的基础上,采用ANSYS有限元软件对其受力性能进行模拟分析。

Numerical Simulation on Ultimate Load of Steel Fiber Reinforced High Strength Concrete Shaft Lining

钢纤维高强混凝土井壁极限承载力数值计算

Study on mechanical characteristic of twolayer steel plate and concrete shaft lining under non uniform pressure

不均匀压力下双层钢板混凝土井壁的力学特性分析

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 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

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

Gray situation decision-making of mix ratio of steel fiber concrete in drilling shaft lining

钻井井壁钢纤维混凝土配合比的灰色局势决策

Monitoring of Deformation of Shaft Wall Concrete in Clay Stratum of Old Industry Square

老工业广场粘土层位井壁混凝土变形监测研究

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 on Vertical Bearing Capacity of Composite Shaft Lining Structure of High Strength Concrete and Double Steel Cylinders;

双层钢板高强混凝土复合井壁竖向承载力研究

Research and Application of HSHPC on Freezing Mine Shaft

冻结井壁高强高性能混凝土的研制与应用

Study on the Mechanical Characteristics of Bored Shaft Lining Consisting of Inner Steel Sheet and Reinforced Concrete in 600m Thick Alluvium;

600m深表土中内层钢板—钢筋混凝土复合钻井井壁力学性能的研究

Taking about the Top-down Construction Method of Sidewall Support with Concrete Piling in Rotational Flow Well of Steelmaking and Continuous Casting

炼钢连铸旋流井混凝土排桩支护井壁逆作法施工技术的应用

The Preparation and Performance Research of Freezing Shaft Lining C80 HPC in Extraordinary Depth Surface Soil;

特厚表土层冻结井壁C80高性能混凝土配制及其性能研究

Research on Creep Character of Composite Shaft Lining Structure of High Strength Concrete and Double Steel Cylinders in Especially Thick Alluvium

特厚表土层钢板高强混凝土复合井壁徐变特性研究

Variety rules of concrete strain of outer shaft wall were carried out based on in-situ measurement during freeze sinking of Longgu Mine auxiliary shaft.

通过龙固副井冻结凿井期现场实测，获得了龙固副井外层井壁混凝土应变的变化规律。

Summarize of Hydraulic Slip-Form Sets of Wall Constructing Art on Large-Diameter Shaft of High-Strength High Performance Concrete

大直径立井高强混凝土液压滑模套壁施工工艺简述

Application Research of High Performance Commercial Concrete in Freezing Shaft lining

高性能商品混凝土在冻结段井壁工程中的应用研究

reinforced concrete walling

钢筛钠筋混凝土砌壁