Soil pier replacement foundation treatment construction method and construction device: Fid-Bau Portal

Soil pier replacement foundation treatment construction method and construction device

ZHANG JIHONG

The invention relates to a soil pier replacement foundation treatment construction method and a construction device in the field of foundation treatment engineering. According to the construction method, on the basis of the arrangement of a soil pier cylinder (2) and a soil discharging channel (4), replaced foundation soil (12) is extruded, the replaced foundation soil (12) is discharged through the soil discharging channel (4), a soil pier (1) is made to approach or reach a bearing stratum (13), therefore the purpose of foundation treatment is achieved, and the construction device comprises a counter-force machine base (7), the soil pier cylinder (2), the soil discharging channel (4) and a lifting device (6). The construction device is reliable in construction quality, low in manufacturing cost, high in speed, environmentally friendly and economical.

本发明涉及地基处理工程领域中的土墩置换地基处理施工方法与施工装置，基于土墩筒(2)与排土通道(4)的设置，挤压被置换地基土(12)，使被置换地基土(12)通过排土通道(4)排除，使得土墩(1)接近或到达持力层(13)，从而达到地基处理目的，施工装置包括包括反力机座(7)、土墩筒(2)、排土通道(4)、升降装置(6)四部分，施工质量可靠，造价低，速度快，环保节省。

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