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METHOD DEEP CEMENT MIXING WITH EXCELLENT CONSTRUCTION QUALITY

机译:具有卓越施工质量的深层水泥混合方法

摘要

PURPOSE: A deep cement mixing method for achieving excellent construction quality and efficiency is provided to improve endurance and service life of deep cement mixing equipment by regulating the rotation speed of a rod according to N-value of soft ground. CONSTITUTION: A deep cement mixing method for achieving excellent construction quality and efficiency comprises a step of penetrating under ground by a drive unit while regulating the rotation speed of a rod according to N-value of soft ground measured in a standard penetration test, a step of pulling up the rod inserted to the designated depth by rotating the rod reversely, and a step of injecting an stabilizing agent to be mixed with the soft ground. The rotation speed of the rod is adjusted to 60~35rpm to N-value of 0~4, 34~20rpm to N-value of 5~10, and 19~1rpm to N-value of 11~20.
机译:目的:提供一种能够实现出色施工质量和效率的深层水泥搅拌方法,以通过根据软土地基的N值调节杆的转速来提高深层水泥搅拌设备的耐久性和使用寿命。构成:一种用于实现优异施工质量和效率的深层水泥搅拌方法,包括以下步骤:在标准渗透试验中根据测量的软土地基的N值,通过驱动单元穿透地下,同时调节杆的转速;通过反向旋转杆将插入的杆向上拉至指定深度的步骤,以及注入稳定剂以使其与软土混合的步骤。杆的转速调整为:N值为0〜4时为60〜35rpm,N值为5〜10时为34〜20rpm,N值为11〜20时为19〜1rpm。

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