A kind of hole-forming pile-forming equipment and construction method

Abstract

The invention discloses a novel hole-forming and pile-forming device and a construction method thereof. According to the invention, two entirely different devices and technologies are integrated into a new mechanical device and construction technology, hole forming without earth taking can be realized, hole collapse and hole shrinkage before pile forming can be effectively avoided, and the continuous construction operations of vibrating pipe-sinking hole forming and rotating mesh cylinder forming can be well realized, the pile-forming quality and the construction efficiency are remarkably improved, the steps and costs of earth abandoning, outward transporting, land occupation and the like are effectively omitted, economic and social comprehensive benefits are remarkably improved, and a new idea entirely different from conventional devices and construction technologies is provided.

Description

technical field [0001] The invention relates to the technical field of building foundation and foundation reinforcement treatment construction under soil foundation conditions in engineering fields such as highways, railways, port terminals, municipal civil construction, etc., and specifically refers to a hole-forming and pile-forming equipment and a construction method. Background technique [0002] Traditional piling equipment for cohesive soil foundations has a single power form, such as vibration, rotation, static pressure, etc., and generally can only complete a relatively single construction process. Hole forming processes include vibratory immersed tube, alluvial drilling, rotary drilling, rotary drilling , static pressure drilling, rotary grouting, etc. The pile-forming process includes stirring, rotary grouting, compaction, pouring, etc. With the continuous development of weak soil foundation reinforcement technology, a single power form and pile-forming process can ...

AI Technical Summary

Problems solved by technology

In the first step of this construction process, there are many ready-made methods and equipment for forming holes, such as using vibration (static pressure) immersed tubes and other equipment to form holes. Continuous operation under the conditions of exiting the immersed tube will easily cause shrinkage and collapse holes after the immersed tube is pulled out and before the next net tube placement and pile forming process is implemented, making it difficult to ensure the smooth implementation and construction quality of the next process

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