Construction method of steep slope mountain photovoltaic micro pile foundation under complex geological conditions

By employing a small-diameter pile group structure with a chamfered triangular pier and heavy-duty drone hoisting technology under complex geological conditions, the problems of machinery being unable to ascend steep mountain slopes, low efficiency, and damage to vegetation in photovoltaic foundation construction have been solved, achieving efficient and environmentally friendly photovoltaic foundation construction.

CN121992810APending Publication Date: 2026-05-08POWER CHINA KUNMING ENG CORP LTD +1
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Patent Information

Application Number
CN202610097066.X
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2026-01-23
Publication Date
2026-05-08

AI Technical Summary

Technical Problem

Under complex geological conditions, traditional photovoltaic foundation construction faces problems such as the inability of machinery to operate on steep slopes and mountains, low construction efficiency, damage to vegetation, unreasonable structure, and difficulty in material transportation, making it difficult to meet the requirements of green construction.

Method used

The project employs a small-diameter pile group structure with a chamfered triangular abutment, combined with heavy-duty drone hoisting technology. It utilizes small drilling equipment and precise positioning to establish an "aerial supply chain" for micro-pile foundation construction, including steps such as clearing access roads, surveying and positioning, drilling, installing steel cages, pouring concrete, and curing.

Benefits of technology

It improves construction flexibility and efficiency, reduces earthwork excavation, protects the ecological environment, enhances structural load-bearing capacity, reduces costs, and meets the requirements of green construction.

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Abstract

The invention discloses an abrupt slope mountain photovoltaic micro pile foundation construction method under complex geological conditions, and relates to the technical field of photovoltaic foundation construction. According to the method, in order to solve the problems that the slope of the abrupt-slope mountain land is large, the terrain is complex, large machines are difficult to operate, and the ecological environment is sensitive, the structural form of small-diameter pile groups and chamfered triangular bearing platforms is adopted, the heavy-load unmanned aerial vehicle hoisting technology is combined, and minimally invasive, efficient and green construction is achieved. The core of the method comprises the steps of construction preparation, measurement positioning, hole forming, reinforcement cage and bearing platform reinforcement installation, material transportation based on the heavy-load unmanned aerial vehicle, concrete pouring, maintenance and the like. The method is high in environmental adaptability, capable of overcoming 15-45-degree abrupt slopes and complex geological conditions and greatly reducing earth excavation and vegetation damage, high in structural bearing capacity and low in manufacturing cost, solves the problems that a traditional construction method is low in efficiency, serious in ecological damage and the like, and is suitable for mountain photovoltaic power station projects, particularly suitable for photovoltaic foundation construction of ecological sensitive areas.
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