查询词典 pile

For the structural design parameters of flat - slab beamless pile structure which can be directly used for the low embankment of soft weak subgrade of passenger dedicated line, the analyses are made for the all performance indexes of the structure under the static and dynamic conditions by using a space calculation model.

研究方法：根据相关规范和规定，分析了既有特殊路基和桥梁结构工程，研究了各种构造的优缺点，针对客专拟定可直接用于工程的软弱地基低矮路堤的无梁板式桩柱结构设计参数，采用空间计算模型分析该结构在静力和动力情况下的各项性能指标。

Research purposes:Through doing overall researches,it is proposed to adopt flat-slab beamless pile structure for low embankment of soft weak subgrade,which can be suitable for ballast and ballsatless tracks and control the structure s settlement with easy construction and low construction cost.

研究目的：通过全面研究，提出软弱地基低矮路堤采用无梁板桩柱结构，保证结构可适应有碴及无碴轨道，达到结构沉降可控，施工方便，造价经济的目的。

The way to value the bearing capacity and settlement calculation given herein are fit for the design of large diameter belled pile in china.

文中提出的承载力取值和沉降计算是一套适合于我国大直径扩底桩的设计方法。

The results obtained by this method fit well with the field test results, and the potential bearing capacity of large diameter belled pile can be utilized fully, so it can be used as a reference in engineering design.

工程实例验证表明，按作者提出方法得到的结果与工程实测值符合较好，能充分发挥大直径扩底桩的潜力，可以供工程设计时参考使用。

A case study is performed on the basis of analyzing data from field tests and the difference in Q-s curves between the large diameter cast-in-place pile and belled piles is compared.

有限元分析结果表明，基于该模型的有限元方法能够有效模拟桩的承载性状及承载变形机理。

Large diameter belled pile bearing capacity settlement deformation

大直径扩底桩；承载力；沉降；变形

It is found that the bearing capacity of large diameter belled pile will increase with the increment of thickness of supporting course, bearing capacity and proportion of bottom-resistance are affected more notably by supporting course thickness when the supporting course thickness is small.

可以发现，大直径扩底桩承载力随持力层厚度的增加而增大，且在持力层厚度较小时持力层厚度的变化对承载力及桩端阻力所占比例影响显著。

The results show that manually excavated belled piles can increase the bearing capacity of single piles in the compact layer,and that the pile side friction resistance and the effect of the protection wall should not be ignored in the bearing capacity calculation.

试验结果表明：在坚实土层中选用扩底桩可有效提高单桩承载能力；桩侧摩阻力的作用不容忽视；承载力计算时应考虑护壁的厚度。

The study of the bearing characteristic, the deformation mechanism and the bearing behavior of large diameter belled pile in deep soft soil has been expanded from analysis of field test data, analytic study and numerical calculation.

本文基于实测数据分析、解析研究及数值计算等方法，对深厚软土地基中大直径扩底桩单桩的承载变形机理及承载性状开展了研究工作。

In order to analyze vertical bearing behavior of large diameter belled pile in soft substratum, three-dimensional non-linear finite-difference numeric models are established with finite-difference program, calculated and measured results are contrasted, and it proves that the calculation models and the chosen parameters are rational.

为分析存在软弱下卧层的大直径扩底桩的竖向承载性状，本文利用有限差分程序建立三维非线性有限差分数值模型，将计算结果与实测数据进行对比，验证了计算模型与参数选取的合理性。

Cynanchum Lingtai apricot production in the average weight 65 grams, the brightly-colored fruit, juicy rich, sweet-sour taste, sweet from the nucleolus, when the late Qing Dynasty famous Shaanxi, Gansu provinces, the Qing imperial court Tongzhi tribute for years.

灵台生产的牛心杏平均单果重65克，果实色泽鲜艳，汁多味浓，甜酸适口，离核仁甜，清末时就驰名陕、甘两省，清同治年间曾为朝廷贡品。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。