Dislocation theory can be used to describe the shear deformation mechanism of wet and soft soils.
可借助位错理论的某些方法来阐述湿软土壤的剪切变形机理。
Preloading is a popular soil improvement technique for soft soils sometimes named pre-compression.
预压,有时也称预压缩,是一种常用的软土改善技术。
The conventional method of computing the secondary consolidation of soft soils does not reflect the influence of load.
现有计算软土次固结变形的常用方法是不考虑荷载对其影响的。
But on soft soils, vibrations from long-period seismic waves are amplified, possibly exacerbating the swaying of skyscrapers.
但是,在松软的土层上,长周期地震波的震动会被放大,可能使摩天大楼的摇摆更加剧烈。
One of he best options of reinforcing approaches to soft soils and foundation is statically pressed anchoring bar piles.
在软土地基基础加固中,锚杆静压桩加固地基基础是较好的方法之一。
The shear stress - shear rate - time relationship of wet and soft soils is determined from the point of view of dislocation theory.
从位错理论出发导出了湿软土壤的剪切应力—剪切应变—时间关系。
The results showed that the shear strengths of soft soils were coincident very well with the variation of micro-structural parameters.
说明了软土的抗剪强度与微观结构参数变化之间有着良好的一致性。
Based on summarized distribution of soft soils sampling, sampling quality of two soft soils in Qiongzhou Strait shallow sea was evaluated.
在总结取样扰动影响因素的基础上,对琼州海峡浅海区两种软土的取样质量进行了评价。
Mechanical model for pile-driving is presented according to the soil deformation behavior and yielding criterion of structural soft soils.
根据结构性土体的变形特征和屈服准则,建立打桩力学模型。
Taking a bucket foundation as an example, the cyclically accumulated deformation of soft soils under the action of cyclic loads in calculated and analyzed.
以桶形基础为例,对循环荷载作用下软粘土地基的累积变形进行了计算、分析。
The field test results have shown that the strength of the soft soils surrounding the piles reduced at the initial stage and then increased with the elapsed time.
结果显示在排水粉喷桩施工后,桩间土强度先降低,之后随着龄期的增长而提高。
The characteristics of frequency-spectrum structure and response of ground soils, including soft soils and the frequency of ground micro-tremor, were investigated.
据此研究了地脉动频谱结构特征及场地土(包括软土)对地脉动的频率响应的特性。
The case history presented in the paper proved that it is feasible to apply the method of mud replacement by blasting to the improvement of soft soils in road works.
同时结合工程实例,表明将爆破挤淤法用于公路工程的软土处理是可行的。
The vacuum-mound preloading method is one of these methods that have many advantages such as low expense, short construction period, and good effect to very soft soils.
真空堆载联合预压方法以其较低的费用、工期较短、效果好已经在许多类型工程的软土地基处理中得到应用。
There are many geotechnical engineering problems in foundation excavation related with the "feeble confined water" lying in Shanghai soft soils in engineering constructions.
在上海市政工程建设中时常遇到与浅层承压水有关的基坑岩土工程问题。
The specialty of soft soils in mountainous area is the complexity of composition, inhomogeneous and hidden distribution and the specialty of physical and mechanical properties.
山区软土的特殊性表现在成分的复杂性、分布的不均匀性、隐蔽性和物理力学性质的特殊性。
The conventional method to compute secondary consolidation of soft soils does not reflect the influence of load. It is only applicable to the normally consolidated soils actually.
计算软土次固结的常用方法没有反映荷载变化的影响,实际上只适用于正常固结土。
The results show that the calculated values accord with actual values very well, thus providing a new method for accurate and timely prediction deep foundation pit walls in soft soils.
结果表明,预报值与实测值吻合得较好,为软土深基坑施工墙体变形的动态预测提供了一种新的方法。
The tests of vacuum preloading method to improve the soft soils in Lianyungang region were successfully completed, showing that the procedure and technology for the tests were rational.
真空预压法加固处理软土地基在连云港地区的试验成功说明了该施工方法和施工工艺是合理的。
High pressure jet grouting with new twin-tube method was employed in the construction of a new drydock and the mucky soft soils in the site were successfully treated to prevent water seepage.
新二管法高压旋喷应用在某新建船坞工程中,成功地对淤泥质软土进行了防渗加固处理。
The actual application state of anchorage technology is presented, such as types of bolt structure, anchorage machine, anchorage material, soil nailed wall and anchorage support of soft soils.
从土钉锚杆在土层中不同受力与变形状态分析入手,结合长期工程实践和相关试验数据,分析研究与探讨性地提出了适用于不同类型土钉刚度与变形的计算公式。
The drainage condition combining with the time-dependent properties of the surrounding soil played an important role in the evolution of long-term surface settlement over tunnels in soft soils.
软土隧道地表长期沉降特性与隧道的渗透性以及周围土体的时效特性密切相关。
Based on the special features of Lianyungang soft soils, the rational cement-soil proportion suitable for this type of soft soils by laboratory experiments was explored and discussed in this paper.
针对连云港软土的特殊性,采用室内试验,研究适宜于该地区海相软土的水泥土搅拌桩(湿法)的合理配比。
A new type of exponential curve model, coupled with rheological term for soft soils, is put forward based on the calculation formula of modified secondary compression under absolute time coordinates.
先基于绝对时间坐标系下的软土次压缩计算修正式子,提出耦合软土流变项的新型指数曲线模型,并采用数学中最优化技术,根据前期沉降实测资料对模型中参数进行反演。
This is especially true for roadway widening projects in areas of very soft foundation soils.
这是特别可靠对于车行道加宽的项目在非常软的基础土壤区域。
The problem of one dimensional consolidation of soft clays under cyclic loadings taking account of rheological characteristics of soils is studied.
研究了在循环荷载作用下考虑土的流变特性时的饱和软土层的一维固结问题。
Both theoretical analyses and field observations have shown that pipe jacking in such a kind of soft soil ground as in Shanghai area, movements of soils around the pipes is of three-dimension.
理论分析和现场实测都显示,在类似于上海等地的软土地层中顶管施工,顶管周围土的运动问题是三维的。
Research for the deformation and internal forces of piled raft foundation on a thick soft substratum are concerned with not only the interaction between pile, raft and soils but the also the time.
大量桩筏基础下存在较厚的饱和软弱下卧层,其变形和内力的研究不仅涉及到筏板、桩和土三者之间的相互作用,而且还跟时间有很大的关系。
These special rocks and soils include collapsible loess, soft soil, expansive rock and soil, red soil, soft rock, and special soils.
内容涉及湿陷性黄土、软土、膨胀岩土、红土、软岩和特殊土的结构性。
These special rocks and soils include collapsible loess, soft soil, expansive rock and soil, red soil, soft rock, and special soils.
内容涉及湿陷性黄土、软土、膨胀岩土、红土、软岩和特殊土的结构性。
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