Construction method for rapidly tamping foundation through hydraulic pressure

Abstract

The invention relates to a construction method for rapidly tamping a foundation through hydraulic pressure. The construction method comprises the steps that S1, surveying and setting out are conducted, a gradienter is used for calibration, tamping points and tamping parameters are set, hydraulic equipment is in place, and the tamping parameters comprise weight of a hydraulic hammer, diameter R0 of the bottom face of the hydraulic hammer and falling distance L;S2, tamping is conducted, specifically, according to the set tamping point, the hydraulic hammer is aligned with the tamping point to conduct tamping, during tamping, starting of a plurality of motors is controlled according to the bottom surface diameter adjusting amount of the hydraulic hammer, and running time of the motors is controlled according to ground base surface hardness so as to adjust tamping parameters;S3, a rammed pit is filled and leveled up through a bulldozer;S4, full compaction is conducted, the hydraulic hammer is utilized to loosen soil and compact the soil on the surface layer of a field; therefore, the tamping parameters in the tamping process can be accurately adjusted through feedback pressure of the hydraulic hammer, tamping descending depth and descending distance, then the tamping process can be completed in one step, tamping in-place inspection does not need to be conducted, and time cost and economic cost are effectively saved.

Description

technical field [0001] The invention relates to the technical field of construction, in particular to a construction method for rapidly compacting foundations using hydraulic pressure. Background technique [0002] The tamping technology of hydraulic rapid tamping foundation method was formed in the 1990s. The British Ministry of Defense and BSP jointly developed an advanced equipment that can move quickly and tamp quickly during combat readiness. It was converted to civilian use after 1995. In early 2003, my country The self-developed rapid hydraulic compaction equipment was born in Tai'an, Shandong Province. It is mainly used for road reinforcement operations. It is still blank in housing construction. During the long-term foundation treatment process, the vibration of the dynamic compaction process is large, and it needs to be constructed outside a certain range of the building. Layered rolling does not require a long construction period and high water content requirements ...

AI Technical Summary

Problems solved by technology

[0005] Therefore, the present invention provides a construction method using hydraulic pressure to quickly tamp the foundation, which can effectively solve the problem that in the prior art, the feedback pressure of the hydraulic hammer, the tamping descent depth and the falling distance cannot be used to accurately adjust the tamping parameters in the tamping process and save time. Technical issues of cost and economic cost

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