夯锤

文章介绍了气动夯锤打桩的施工方法。

This paper presents the construction method of pneumatic rammer piling .

大型铸铁夯锤受力分析及破坏原因

Mechanical Analysis and Destruction Reason of the Large Size Cast Iron Rammer

侧向加固半径距荷载作用中心接近2D（D为夯锤直径），荷载作用中心下加固深度能达到2D甚至更大。

The lateral reinforced radius from the center of loading is 2D ( D is a the diameter of tamping hammer ), the reinforced depth under the center of loading is also 2D or larger .

关于夯锤冲击力大小的研究

A Study on the Impact Force of Pounder

本文利用室内简易装置测定了夯锤冲击力的相对大小并与已有资料进行了比较。

The impact force of pounder is measured by a simple laboratory test apparatus and is compared with the data collected .

然而夯锤底面积控制的垂向土体呈逆向转换的现象。

However , A reverse change phenomenon appear under tamping hammer 's bottom area control in the vertical direction of earth volume .

在常用的地基或填方参数情况下，有效加固范围是夯锤直径的1.5～2.5倍。

In case of foundation and road embankment material parameter , valid reinforce range results is 1.5 & 2.5 of hammer 's diameter .

改用气动夯锤打桩后，不仅节约了资金，而且提高了打桩的质量，加快了施工速度。

After using pneumatic rammer piling method , the construction cost was reduced , piling quality was raised and construction speed was increased .

采用特殊的小底面积置换夯锤，并采用渐变的夯击能量，应用强夯置换法对码头前沿区地基进行了加固处理。

The foundation of wharf apron space was improved by use of special rammer of small base area , gradual tamping energy and dynamic replacement .

同时利用工程实测数据，对湿陷性黄土地基上夯锤与土体的共同作用进行了研究。

Moreover , the interaction of the tamper and ground was studied by comparing the calculated values with experimental data obtained on the collapsible loess site .

本文通过不同夯锤的水下夯实效果分析，提出了半经验性夯锤阻力理论在水下夯实工程中的运用办法。

By analyzing the compaction effects from underwater ramming , this paper puts foward the semi-empirical formula of theoretical resistance to the rammers , of which it may be useful in the practical engineering .

夯管锤的优化设计夯扩载体CFG桩复合地基工程性状研究与分析

Research on Engineering Characteristics and Analysis of Rammer Carrier CFG Pile Composite Foundation

UH-3000型油压夯管锤研制及其工艺试验

Development of UH-3000 Hydraulic Pipe Rammer and Testing of Its Process

油压夯管锤结构性能仿真电算数据分析

Computer Imitation Data Analysis on Structure and Performance of Hydraulic Rammer

进口气动夯管锤易损件的改进

Improvement on Wear Parts of Exported Pneumatic Pipe Driving Hammer

夯管锤结构优化设计及有限元计算分析

Optimizing Design and Finite Element Analyses of the Structure of Pipe Hammer

夯管锤在非开挖敷设燃气管道中的应用

Application of Rammer with Trenchless Technology in Laying Gas Pipeline

针对一台液压夯管锤，通过改变其供油压力，考察了其工作参数的变化。

The working parameters of hydraulic rammer are observed through changed pressure .

研究结果将为设计冲击能可调的液压夯管锤提供理论指导。

The research results provide theoretical guides for design of adjustable hydraulic rammer .

夯管锤夯进法打设大管棚在浅埋暗挖地铁车站施工中的应用研究

Application Research on Pipe-roof Construction with Pipe Rammer in Shallow Embedded Metro Station

气动夯管锤铺管施工工艺的研究

Research on Pipe Laying Process with Pneumatic Pipe-rammer

油压夯管锤蓄能器与活塞振动耦合性的数学解析

Mathematic Analysis of Coupling Between the Energy Accumulator and the Piston Vibration of the Hydraulic Pipe Rammer

液压夯管锤的研究

Study of Hydraulic Rammer

穿孔过程中自身不回转的非开挖气动锤包括冲击矛、夯管锤和爆管锤。

The trenchless pneumatic hammers which don t rotate themselves during drilling include impact moles , pipe ramming hammers and pipe bursting hammers .

详细介绍了国外非开挖设备气动锤、夯管锤、实现旧管更新的碎管机、可导向的定向钻机、顶管机等设备的技术性能和特点。

The technical characteristics of trenchless equipments abroad are discussed , such as Groundomat , Grundoram , Grundocrack , oriented drilling rig , pipe-jacking etc.

通过理论和实验证明改变液压夯管锤的冲击能和冲击频率，比较简单而经济的方法是调节液压夯管锤的行程，并讨论了改变行程对液压夯管锤的性能有哪些影响。

The theory and test proved that the impacting frequency of hydraulic rammer can be adjusted by pipe hammer stroke . The influences of stroke on characteristics of hammer are discussed .

强夯法施工锤重参数的合理选用

Optimal selection of hammer weight parameter in dynamic consolidation construction

尤其在水深和基床厚度比较大的情况下，爆夯比传统的锤夯具有更明显的优势。

As compared with traditional hammer compaction , the explosive compaction has further remarkable advantages , especially in the case of deeper water and thicker foundation bed .

夯击能相同、夯锤质量相同条件下，底面积与加固效果的关系；

The relationship between end area of hammer and improvement effect when impact energy and hammer quality were in same condition ;

通过改进夯填工艺和改造夯锤的外形尺寸和重量，达到了大幅提高地基承载力的目的。

Through the improvement of puddle backfill technology and modification of the dimension and weight of hammer ram the purpose as enhancing the bearing strength of foundation is achieved .