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小型振动冲击式打桩机(下称64式打桩机如图一)是沉桩用的新设备,已由上海华东钢铁建筑厂试制成功。经有关单位鉴定,认为本机械性能良好。这种机械工作原理基础是建立在机械振动原理上面,利用振动与冲击来克服土壤对桩之阻力的。桩柱在振动的作用下使土壤的原组织结构破坏,桩柱与土壤的接触表面产生液化层,降低了土壤对桩
Small vibration impact type pile driver (hereinafter 64 type pile driver as shown in Figure 1) is a new equipment for pile sinking, which has been trial-produced by Shanghai Huadong Steel Building Plant. After the identification of the relevant units, that the mechanical properties are good. The basis of this mechanical principle of work is based on the principle of mechanical vibration, the use of vibration and impact to overcome the soil resistance to the pile. Under the action of vibrating piles, the original structure of the soil is destroyed, and the contact surface between the pile and the soil produces a liquefied layer, which reduces the influence of the soil on the pile