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What Are the Key Management Points for Jet-Mixing and Sinking During Cement Mixing Pile Construction?

2016-04-28 718 0人评论

　　1.深层搅拌机操作人员应经培训合格，并持证上岗。
　　2.进场设备应满足施工需要，正式开钻前要进行试运行试验，搅拌机应配置电脑自动记录仪并标定。
　　3.应编制详细的作业指导书，并逐级进行技术交底，机械设备要有操作规程，做好钻进施工记录。
　　4.检查深层搅拌机性能，开启深层搅拌机主电机，工作电流不得大于额定值，遇较硬地层不能下沉时，可泵送少量的水或水灰比较大的水泥浆（砂浆），凡经输浆管冲水下沉的水泥搅拌桩（水泥砂浆桩），喷浆提升前必须将喷浆管内的水排清。钻进过程中应随时观察设备运行及地层变化情况，钻头应下沉至设计深度。

Key Construction Points for Sand Piles in Railway Subgrade Using the Casing Method (Sunk Pipe Method)

Lanju Township Accelerates Progress on the Quzhou-Ningbo Railway Project

What Are the Key Management Points for Jet-Mixing and Sinking During Cement Mixing Pile Construction?

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What Are the Key Management Points for Jet-Mixing and Sinking During Cement Mixing Pile Construction?

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