膨胀变形

钢渣填筑路堤模型膨胀变形的试验研究

Test Research on the Dilatancy of the Model of Steel Slag Filled-up Road Embankment

在同样的假设下，Hill仍用摄动法分析了环面厚薄膜的膨胀变形。

Under the same assumption , Hill still used perturbation method to analyze the expand deformation of thick annular membrane .

高温长时间烧结后，电石渣表面由许多膨胀变形的类哑铃形CaO晶粒结构组成，且大小均匀、排列有序、边界明显。

After intense sintering , the surface of carbide slag is composed of many swelled dumbbell-like CaO particles , similar in particle diameters and arrayed in order .

三峡二阶段工程控制混凝土用水泥MgO含量3.5%～5.0%，使混凝土具有自生体积微膨胀变形性质，提高混凝土自身抗裂能力。

The magnesia content in cement for concrete used in second phase of Three Gorges Project is controlled from 3.5 % to 5.0 % so that the concrete possesses slightly expansive property and the crack resistance can be improved .

在900℃下煅烧及烧结过程中，经过高温长时间烧结，电石渣表面由许多膨胀变形的CaO晶粒结构组成。

Calcined at 900 ℃ and sintering process , carbide surface by the many swelled class composed of dumbbell-shaped structure of CaO grain after sintering time at high temperatures , And the size of the ordered and uniform , the boundary clear .

煤岩体吸附膨胀变形与吸附热力学的参数关系

Parametric Correlation Between Expansion Deformation of Coal Mass and Adsorption Thermodynamics

液力变矩器膨胀变形试验研究

An Experimental Study on the Ballooning Deformation of Hydraulic Torque Converter

钢纤维自应力混凝土膨胀变形的长期性能研究

Research on Long-Term Expansive Deformation of Steel Fiber Reinforced Self-stressing Concrete

膨胀变形对膨胀土边坡稳定性的影响

Effect of swelling deformation on stability of expansive soil slope

钢渣工程特性及钢渣路堤模型膨胀变形研究

Research on the Engineering Properties and Embankment Model Expansion Deformation of Steel Slag

点焊过程热膨胀变形分析

Analysis of thermal expansion deformation in resistance spot welding

煤吸附膨胀变形与孔隙率、渗透率关系的分析

Analysis of The Relation of Porosity , Permeability and Swelling Deformation of Coal

爆轰波对碰驱动下金属圆管膨胀变形特性研究

Study on expanding characteristic of steel tube driven by two head-on colliding detonation waves

考虑渗流和膨胀变形的强度折减三维有限元法

3D FEM of Strength Reduction Method Considering Coupling Among Seepage and Expanse and Stress

然后，针对实验结果对塘子凹矿区花岗岩巷道膨胀变形失稳机理进行分析。

Then analyzing instability mechanism of granite workings based on the result of the experiments ;

通过对快速膨胀变形的适当控制，可开发出滞后膨胀式脱模养护剂。

A new lag inflating curing agent could be developed by controlling the expanding speed properly .

提高混凝土的自生体积膨胀变形量补偿混凝土的温度收缩变形，对于混凝土抗裂很有意义。

Increasing autogenous volume expansive deformation for compensating thermal shrinkage deformation of concrete may improve crack resistance .

但若使用不当，可能会造成这种新型道路建筑材料产生体积膨胀变形。

But unless it is properly disposed of , volume expansion of this new building material would happen .

随着保护层的开采，下被保护层先经历压缩变形，而后发生膨胀变形。

With mining the protective layer , the lower protected layer experiences compression deformation first , then expansion deformation .

本文还分析了过程膨胀变形量和过程含水量成线性关系，根据此条件和终了含水量的关系式以及有荷膨胀量的关系式可以得到某一过程含水量下的有荷膨胀量。

Additional , that the relationship between the swelling process strain under load and process water content is linear is also verified .

在地下工程支护设计中，应重点支护紧邻开挖面低围压环境的岩体以有效地控制其破坏和膨胀变形。

In the underground engineering design , the rock support under low confinement conditions should be considered to effectively control the rock deformation and failure .

尤其在加固柱、桥墩方面，通过有效约束混凝土的侧向膨胀变形来改善其受压性能。

Especially in the aspects of upgrading columns and piers , FRP can effectively improve their compressive performances by restricting the lateral dilation of confined concrete .

应力较大时，轴向变形表现为压缩变形，而径向变形则表现为膨胀变形，但变形量都很小；

The axial direction expresses the compresses deformation and the radial direction expresses swelling deformation when stress is greater , but the deformation is very little .

已有研究表明，煤吸附瓦斯后要发生相应的膨胀变形，而当这种膨胀变形受到一定的限制时，将会产生膨胀应力。

Lots of researches have proved that adsorbed gas-coal can generate swelling deformation and when the swelling deformation is restricted , swelling stress can be produced .

在人工冻结法工程中，土体的冻胀主要发生在侧向，即冻结圆柱体发生侧向土体膨胀变形。

In artificial freezing engineering , frost heave of soil mainly occurred in the side , that is , the soil lateral deformation of frozen cylinder occurred .

上部土体的挖出、自重应力的释放，势必引起基坑底部土体的膨胀变形，从而产生坑底土体的回弹。

The excavation of upper soil and the release of self-gravity will result in swelling of soil under the foundation pit bottom , and then the resilience happened .

同时研究表明，极薄保护层采高对被保护煤层的卸压膨胀变形有很大影响。

The results show that , mining height of the extra-thin protective coal seam has a great influence on the ground stress and expansion deformation of the protected coal seam .

根据膨胀变形试验结果，建立了膨胀土的膨胀量、膨胀速率以及膨胀变形所需时间与起始含水量的相关公式。

Based on test data , the formula correlative of time required for soil 's expansive capacity , expansive speed rate and expansive deformation with initial moisture content is established .

以往的试验表明，该新型复合材料在膨胀变形性能、基本力学性能及抗裂性能等方面均优于膨胀剂和钢纤维单掺的情况。

Previous tests showed that the new composite materials in the expansion and deformation properties , the basic mechanical properties and crack resistance were better than single-doped expansion agent or steel fiber .

研究表明，混杂纤维可明显减小高性能混凝土的热膨胀变形，为实际工程使用混杂纤维降低混凝土结构在高温冲击下的温度应力提供了依据。

Hybrid fiber can clearly reduce the thermal expansion of HPC , which provides support for engineering practice of using hybrid fiber to decrease thermal stress of concrete structure under high temperature impact .