扼要阐述了弹性元件的特性及在振动夯实机械中的应用，较详细地介绍了弹性元件的设计方法及计算机辅助设计。
The characteristic of elastic element which is applied in vibration tamping mechanism is briefly stated, and the designing method of elastic element, as well as CAD is introduced.
所填土的压实分为人工夯实和机械压实两中。
By filling the compacted into artificial consolidate and mechanical compaction of the two.
涵洞通道两侧、桥台背后等狭窄地点，用小型机械振动夯实。
Place like culvert sides, behind the abutment sites and so on, we use small mechanical to compact.
回填料采用机械运输，夯实采用蛙式夯机或立式夯机进行夯压，允许的情况下采用碾压机进行压实。
The backfill shall be transported with machine and rammed with a frog rammer or a vertical rammer, or rammed with a roller in case of allowable situation.
在安装后立即保护夯实墙，防止雨水，流水，过早干燥，过热，过冷和机械性损伤。
A. Immediately after placement, protect rammed earth from rain and flowing water, premature drying, excessively hot or cold temperatures, and mechanical damage.
在安装后立即保护夯实墙，防止雨水，流水，过早干燥，过热，过冷和机械性损伤。
A. Immediately after placement, protect rammed earth from rain and flowing water, premature drying, excessively hot or cold temperatures, and mechanical damage.
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