助手标题  
全文文献 工具书 数字 学术定义 翻译助手 学术趋势 更多
查询帮助
意见反馈
   自然沉积 在 建筑科学与工程 分类中 的翻译结果: 查询用时:0.111秒
图标索引 在分类学科中查询
所有学科
建筑科学与工程
更多类别查询

图标索引 历史查询
 

自然沉积
    很抱歉,暂未找到该词条在当前类别下的译词。您可以查看在所有学科下的译词。
相关语句
没有找到相关双语例句
例句
没有找到相关例句


By comparison of the improving effect of heavy tamping in a representative fill foundation before and after heavy tamping, it is found that the improving effect of the fill tamped with lower energy is slightly better than that with higher energy, and the improving effect of the thinner fill is slightly better than that of the thicker fill in the same tamping energy area. This phenomenon is explained by wave propagation theory. It is thought that the harder layers beneath the fill are the main factors causing...

By comparison of the improving effect of heavy tamping in a representative fill foundation before and after heavy tamping, it is found that the improving effect of the fill tamped with lower energy is slightly better than that with higher energy, and the improving effect of the thinner fill is slightly better than that of the thicker fill in the same tamping energy area. This phenomenon is explained by wave propagation theory. It is thought that the harder layers beneath the fill are the main factors causing the differences of improving effect on this site. Through the comparison between the bearing capacity of tamped soil determined by different testing methods and that determined by load-bearing test, it is concluded that the general methods to determine the bearing capacity of the natural soil is not fit for determining that of the tamped soil.An empirical formula is proposed as: f k=0.4N 2+6.0N?

通过对一代表性强夯处理填土地基实例强夯前后地基加固效果的对比分析 ,发现低能量区填土层的加固效果稍优于高能量区填土层的加固效果 ,一定的深度内 ,在相同的夯击能作用下 ,厚度较小的填土层的加固效果稍优于厚度较大的填土层加固效果。对于这一与通常人们认知有所不同的现象 ,运用波的反射透射理论进行了解释 :填土层下伏硬层的存在及埋深的大小 ,是引起强夯加固效果差异的主要因素。通过对强夯地基各种测试方法确定的承载力与载荷试验结果进行对比分析 ,认为用于确定一般自然沉积土的承载力的常规方法不适用于强夯地基土 ,根据标贯试验击数与载荷试验结果之间存在的相关关系 ,提出了根据标贯试验击数确定强夯地基土承载力的经验公式 :fk=0 4N2 +6 0N。

The structure (fabric and bond) and structural strength of natural sedimental clays, and the difference and describing methods between natural clays and reconstituted clays are investigated. The sedimentation compression lines of natural clays, intrinsic compression lines of reconstituted clays and oedometer compression curves can be normalized by a void index, then the difference of the structural clays and reconstituted clays as well as the gradual damage course of soil structure are showed apparently. The...

The structure (fabric and bond) and structural strength of natural sedimental clays, and the difference and describing methods between natural clays and reconstituted clays are investigated. The sedimentation compression lines of natural clays, intrinsic compression lines of reconstituted clays and oedometer compression curves can be normalized by a void index, then the difference of the structural clays and reconstituted clays as well as the gradual damage course of soil structure are showed apparently. The reconstituted clays represent the soil intrinsic properties independent of the natural state, and provide a reference frame which can be used to evaluate the properties of in situ sedimentation clays. Most sedimentation compression lines are located above the intrinsic compression lines; their locations depend on the sedimentation condition and the action after sedimentation. Considering the widely different between natural clays and reconstituted clays, only the structured constitutive model can describe the properties of natural clays other than present model from reconstituted clays.

调查了天然沉积粘土的结构性 (组构和胶结 )、结构强度、表述方法以及与重塑土的差异 .用孔隙指数来归一化天然粘土的沉积压缩曲线、重塑土的压缩曲线和固结仪压缩曲线 ,可以很清晰地揭示出结构性土与重塑土的内在差别、固结仪试验中土体结构性的渐进破坏过程 .重塑土反映了土体与自然状态无关的“固有特性” ,它提供了一个评估原位自然沉积粘土特性的参考构架 .大多数天然粘土的沉积压缩曲线位于重塑土固有压缩曲线的上方 ,其位置取决于沉积条件和沉积后的作用 .有结构性的天然沉积土与无结构性的重塑土性状迥然不同 ,只有建立反映土结构性的本构模型才能真正描述其性状

The dredger fill is formed under the hydraulic filling,which consists of fine particles and has a poor consolidation capability.Its natural sedimentation and consolidation after dredger filling is a very slow process,and only when the surface duricrust has formed,the ground improvement can be started.So it is urgently necessary to accelerate the consolidation process,and transform the dredged mud into a solid ground which has a certain bearing capacity.Laboratory model tests were carried out to simulate the...

The dredger fill is formed under the hydraulic filling,which consists of fine particles and has a poor consolidation capability.Its natural sedimentation and consolidation after dredger filling is a very slow process,and only when the surface duricrust has formed,the ground improvement can be started.So it is urgently necessary to accelerate the consolidation process,and transform the dredged mud into a solid ground which has a certain bearing capacity.Laboratory model tests were carried out to simulate the effect of consolidation agent.Lime and cement were chosen as the consolidation agents to be added into the dredger fill to accelerate the consolidation process respectively.The solidifying mechanism and consolidation performance of the two materials have been studied carefully.The reason for their different consolidation behavior is tentatively concluded,and the consolidation mechanism is correspondingly put forward.A more economical and feasible method for consolidating foundation of dredger fill has been provided in this paper.

吹填土是由水力吹填形成的,颗粒很细,固结性能差,吹填以后要经过很长时间才能自然沉积固结,待表面形成硬壳后方可进行加固处理,因此,缩短沉积固结时间,使吹填土尽快地从泥浆状态转变为具有一定承载力的地基,是亟待解决的问题。在室内进行模拟加固方法的沉降柱试验,对吹填土加添固化剂以加速其沉积固结。固化剂主要选用水泥和生石灰,对两种添加方式的机理及固结效果进行详尽的分析和研究,初步找出加固效果产生差异的原因,从而揭示其固化机理,为吹填土地基的加固提供一种更加经济可行的方法。

 
<< 更多相关文摘    

 


 
CNKI小工具
在英文学术搜索中查有关自然沉积的内容
在知识搜索中查有关自然沉积的内容
在数字搜索中查有关自然沉积的内容
在概念知识元中查有关自然沉积的内容
在学术趋势中查有关自然沉积的内容
 
 

CNKI主页设CNKI翻译助手为主页 | 收藏CNKI翻译助手 | 广告服务 | 英文学术搜索
版权图标  2008 CNKI-中国知网
京ICP证040431号 互联网出版许可证 新出网证(京)字008号
北京市公安局海淀分局 备案号:110 1081725
版权图标 2008中国知网(cnki) 中国学术期刊(光盘版)电子杂志社