临界深度

静力压桩临界深度和最小厚度探讨

Study on the critical depth and minimal thickness of static piling

用神经网络预估桩端阻力的临界深度

Calculating the Critical Depth of Pile 's Tip Resistance with Neural Networks

通过桩身轴力量测，获得粉砂层的σu及τu值各自的临界深度及临界厚度的参考值。

By measuring the axial force of the pile shaft , the reference values of critical depths and thickness for σ _u and τ _u in the silty layer are obtained .

模型中的F5、F8断层对地应力分布影响分为第一临界深度、第二临界深度和过渡深度三种情况；

In the model , the influence ofF5 and F8 faultage had three status that were the first critical depth , the second critical depth and transition depth .

在棉花根区20～50cm形成盐分淡化区域，地下水位在临界深度以下，棉花主根区盐碱化程度明显降低，有利于棉花生长。

In the cotton root area 20 ~ 50 cm formation the salt downplay the district , underground water level in the boundary depth below , main root of cotton area salt alkali the degree obviously lower , benefit to the cotton growth .

下面的详细说明主要是针对临界深度型水槽的。

The following details pertain primarily to the critical-depth flume .

坑内土体加固存在一个临界深度。

There is a critical depth for the improvement soils .

波浪掀沙临界深度初探

Preliminary study of critical depth of wave stired sand

关于基于突变理论的深井巷道临界深度的讨论

Discussion ona study on the critical depth of deep entry with catastrophe theory

圆孔扩张理论求解旁压试验临界深度

Application of cylindrical cavity expansion theory to solve the critical depth of Pressuremeter Test

同时指出，大直径钻孔灌注桩承载力存在临界深度。

Moreover , the author points out that the large diameter bored pile has critical length .

开采地下水，以抽代排，把地下水位降到临界深度以下，防止盐渍化。

To control groundwater critical depth to prevent the soil from salinity depends on the pumping groundwater .

对关于‘基于突变理论的深井巷道临界深度’的讨论的答复

Reply to discussion on ' a study on the critical depth of deep entry with catastrophe theory '

波浪掀沙临界深度的大小，直接关系到海岸工程的设计施工和使用寿命。

The critical depth of wave stired sand is directly related to design construction and usage lifetime of the coastal engineering .

发现置换率相同时，承台板宽度大，水泥土桩的荷载临界深度也大，桩侧摩阻力分布深度下移。

It is found that the load critical depth and the friction range increase while the cap breadth increases with the same replacement ratio .

并对地基破坏模式、临界深度、折减系数、变形控制及承载力与沉降量计算等问题进行分析，为工程设计提供了实用评价方法。

The ground failure mode , critical depth , reduction factor , deformation control and calculation of bearing capacity and settlement have heen analysed .

本文用大模型槽内砂土旁压试验的结果说明：砂土旁压试验的临界深度为2&2.5米。

This paper manifests that the critical depth of pressuremeter test is 2-2.5m . This is based on the results of model test done in large trough .

在讨论永久地压时，根据实测数据和理论计算公式的分析，提出了深井表土地压的计算公式及使用该公式的临界深度。

Based on comparison of strata pressure data from measurement and theoretical calculation , the author put toward a formula for calculation of freezing pressure below a critical depth of shaft .

本文讨论了桩端进入持力层深度对单桩极限承载力的影响，提出了持力层的临界深度和临界厚度的参考数据。

The influence of the penetration depth of pile end into the bearing stratum on the ultimate bearing capcity of single pile is discussed and the tentative values of the critical depth and critical thickness of the bearing stratum are suggested too .

底板临界破坏深度为5m；应力集中系数为1.25。

The floor critical failure depth is 5 meters and the stress concentration factor is 1.25 .

基于原油DSC曲线计算析蜡量的新方法，研究了大庆加剂原油析蜡特性，得出结论：存在临界降温深度，低于临界降温深度，加剂原油低温流动性能急剧恶化；

Based on the new methods of crude oil DSC curve calculating wax crystallization , this paper discussed the characteristics of Daqing waxy crude wax crystallization and concluded that there existed the critical temperature depression depth . When low than the critical temperature , flowing ability will worsen sharply .

同时发现在一定临界影响深度范围内（20-30m），桩侧摩阻力随深度的增加而增加，且粘性土的稠度愈硬，临界深度愈浅。

It is also observed that the pile shaft resistance increases with the increase of depth within a critical affect-depth ranging from 20 to 30 m , and the harder the clayey soil consistency is , the shallower the critical depth is .

水泵进水口临界淹没深度试验力学准则的研究

Mechanical criterion on critical submergence in intakes of pumps

泵站进水口临界淹没深度相似准则及换算公式探讨

Similarity Criterion and Conversion Equation of Critical Submergence Depth for Intakes of Pumping Stations

泵站矩形进水池临界淹没深度试验研究

Experimental Research on Critical submergence depth of Rectangular Entry Port in a Pumping Station

超声波振动金刚石刀具对脆性材料临界切削深度的影响

Influence of ultrasonic vibrated diamond tool on the critical depth of cut of brittle materials

得到了临界降温深度、析蜡量与回升温度之间的关系。

Therefore we achieved the relationship among critical temperature depress depth , wax crystallization and picking up temperature .

根据超精密金刚石车削脆性材料的切削模型，提出了满足镜面车削的条件，推导出了临界切削深度和最大进给量的计算公式。

The calculating formulas of critical turning depth and maxium feed are inferred on the basis of ultraprecise diamond turning model of brittle materials .

在量纲分析的基础上，通过试验，定量观测了池宽、喇叭口悬空高、后壁距、流量等对泵站矩形进水池临界淹没深度的影响，给出了一定尺寸范围内确定临界淹没深度的经验公式。

Based on dimensional analysis and experimental results with model , this paper presents an experiential formula of determining critical submergence depth in a pumping station .

通过自旋转磨削试验得出了3000砂轮磨削硅片时磨粒的临界切削深度。

With the rotation grinding method , the critical depth of cut with diamond grains in the grinding process with 3000 # mesh diamond wheel is obtained as well .