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- The dry density of the dynamic compaction loess is lower than that of the indoor compaction loess,but the compression modulus and int... 强夯压实黄土的干密度普遍较击实黄土低,但其压缩模量和强度较室内击实黄土明显地大。
- Seismic subsidence deformation characteristics of intact loess and dynamically compacted loess were studied through centrifuge scale-down test. 通过离心模型试验研究了原状黄土和强夯处理黄土震陷变形的特征。
- dynamic compaction loess 强夯压实黄土
- As showing of the application of dynamic compaction,it has good effect of dynamic compaction for the compaction of collapsed loess in loess area. 强夯技术在刘白高速公路的设计及施工中的应用表明,在黄土地区,强夯对湿陷性黄土的压实具有良好的效果。
- FEC2 can use vibroflotation and Dynamic compaction method to consolidation soft foundation. 我处可采用振冲法和强夯法加固软土地基。
- Abstract ： Dynamic compaction is one of important methods for ground treatment. 摘要：强夯法是地基处理的重要方法之一。
- When dynamic compaction method is used to improve the soft soil foundation, environmental vibration will appear due to radiating of compaction energy. 摘要利用强夯法加固软弱地基时，其夯击能将以波的形式向外扩散，进而导致周围环境的振动。
- Combining some highway rebuilding project, a new technique, dynamic compaction in widening road construction is put forward. 摘要结合某公路改建工程，提出在加宽路段使用新技术-强夯法施工。
- The test results show that the compression modulus,modulus of resilience,cohesion and angle of internal friction of the compaction loess increase with the compactive effort. 试验结果表明:压实黄土的压缩模量、回弹模量、粘聚力及内摩擦角随击实功的增大而增大;强夯压实黄土的干密度普遍较击实黄土低,但其压缩模量和强度较室内击实黄土明显地大。
- But the vibration during dynamic compaction often becomes a problem that restricts the application of dynamic compaction . 然而，强夯施工振动往往成为制约强夯法应用的关键问题。
- This paper fabricates soil samples by normal compaction in different compactive effort to study the engineering mechanics properties of the compaction loess. 摘要用常规击实方法制备不同夯击能量下的土样，来研究击实黄土的工程性质。
- Abstract:Through an engineering practice, the application of SDDC (Super Down Hole Dynamic Compaction) on consolidating the mixed backfilling and high backfilling it introduced. [摘要]通过工程实例,介绍了孔内深层强夯技术在加固杂填土和高填方土中的应用。
- With the analysis in the field of frequency，computational method for medium-effecting function and impelling function of dynamic compaction is put forward in this paper. 本文通过强夯振动频域分析，提出了介质作用函数和强夯激励函数的计算方法，对于强夯振动规律的认识和岩土体动力学特性的研究具有重要意义。
- At the present time,dynamic compaction used mainly in Foundation treatment of sand,gravel and low saturation clay in order to improve the deep foundation. 目前强夯法主要用于处理加固砂土、碎石地基及低饱和度粘土地基。
- The practice indicates dynamic compaction has notable impact on improving foundation bearing capacity, reducing the compression of the soil and eliminating the humid flaw. 结果表明，强夯在提高地基承载力、减少土体压缩性、消除湿陷性等方面效果较为明显。
- In order to study the characteristic of road slope and soil erodibility,a soil disintegration instrument is developed to test compacted loess disintegration under water. 为研究公路边坡降雨侵蚀的特殊性以及土质边坡的可蚀性,通过观察分析,并利用自行研制的崩解仪进行了压实黄土浸水崩解试验。
- DCM(dynamic compaction method)combined with Vacuum dewatering treatment and extended bottom rotary jet grouting pile is adopted to reinforce saturated soft clay foundation. 针对饱和软粘土的工程特性,采用了真空动力固结联合扩底旋喷桩加固饱和软粘土地基。
- SHA Ai-min,CHEN Kai-sheng.Relationship between collapsibility and microstructure of compacted loess[J].Journal of Chang'an University:Natural Science Edition,2006,26(4):1-4. [6]沙爱民;陈开圣.;压实黄土的湿陷性与微观结构的关系[J]
- Combined with on engineering practice of subgrade treatment,the feasibility of layer wise dynamic compaction for nonhomogeneous soft subgrade is described. 本文结合某重点工程的地基处理实例,阐述了采用分层强夯法处理非均匀软弱地基的可行性。
- Dynamic Compaction ground treatment method, which was invented by an French engineer Menard, was brought into China in the seventy years in the last century. 强夯法是法国人梅纳首创,上世纪七十年代末传入我国的地基处理技术。
