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- 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。
- 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。
- 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。
- 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。
- 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。
- 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。
- 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。
- 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。
- Dynamic compaction method is an easy and rapid construction method that has been widely used in China and around the world because it does not cause any environmental pollution. 摘要强夯法是一种既简便又快捷的施工方法,而且没有环境污染,所以在世界各国的地基处理过程中都非常流行。
- The dry density,the compress modulus,the strength of surface layer and the technological benefits are studied on contrast test between Impacting Compaction and Dynamic Compaction. 在两种施工方法工后检测中,分别对干密度、压缩模量、面层强度等指标进行了对比研究,并对两种方法的工效进行了比较。
- On the other hand, as an instant impact load with controllable energy, dynamic compaction is a good test in-situ for the study of soil dynamics. 另外,作为一种能量可控的瞬态冲击荷载,强夯施工可以作为一个可控的土动力学原位试验。
- Uses dynamic contact FEM to analyze impact and collision of hammer to foundation soil in the dynamic compaction, establishes the contact relation between dynamic contact force and speed. 采用动力接触有限元法分析强夯中夯?对地基土的冲击碰撞过程,建立动接触力与速度之间的接触关系式。
- Based on engineering practice of dyn amic compaction,the method of decid ing control parameter(such as optimum energy,consolidation dept h,bearing capacity)were proposed out and the compute formula about the dynamic compaction were also establ ished. 在工程实践的基础上,提出了强夯加固地基的各项设计控制参数:最佳夯击能、有效加固深度以及夯后承载能力的确定方法和计算公式。
- Analyses were made of the influence of lamping energy, distance of tamping points and number of passes upon the safety of the existing surrounding structures when a foundation is improved with the dynamic compaction method. 摘要分析了强夯法加固地基时,夯击能、夯点距离、夯击数等因素对周围已建建筑物的安全的影响。