Shaanxi Longhai Xinchuang Foundation Engineering Co., Ltd. is a specialized company engaged in various types of building foundation treatment. It is a technology-based enterprise that researches and promotes new technologies in geotechnical engineering.
The company currently has more than 750 employees, consisting of 17 project departments and 112 professional technical and economic management personnel, including 1 professor level senior engineer, 9 senior engineers, and 46 engineers. The company has strong financial resources, with a registered capital of 50 million yuan and 184 sets of various large-scale pile foundation construction equipment, including 2 B180 rotary drilling machines, 8 forward (reverse) circulation rotary drilling machines, and 12 lime soil compaction pile drilling equipment. Among them, 6 of them have compacted holes of more than 20 meters, making it a unique compaction pile drilling equipment in the northwest region......
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Squeezing, compacting and expanding concrete large head pile technology
By using machinery or grouting to form an enlarged head structure at the bottom of the pile, the cross-sectional area of the pile end can be increased, and the soil compaction effect and end resistance can be utilized to enhance......
Construction of Rammed and Expanded Pile Technology in Strongly Weathered Rocks of Pebble and Sand Layers
Adopting inner and outer double casing wall protection to prevent hole collapse, forming an enlarged head at the pile end through high-pressure grouting or ramming expansion technology, enhancing the integrity of loose sand and gravel......
Treatment technology for thick backfill or self weight collapsible loess foundation
By using double casing wall protection to form holes, segmented compaction or grouting to form enlarged heads, and utilizing the layered compaction effect to enhance the compactness of loose backfill soil......
Rotary expansion support disc grouting pile technology
By drilling holes with a drilling rig and setting up branching devices at the bottom or middle of the pile, a three-dimensional extended branch structure is formed to increase the contact surface and lateral friction resistance at the pile end.
Heavy hammer internal compaction pile technology
The steel casing is penetrated into the soil layer with the impact force of a heavy hammer, and concrete or crushed stone is synchronously poured during the sinking process. By repeatedly hammering
New technology for the treatment of goaf (cavity)
By means of grouting filling, collapse method or structural support, high-pressure injection of concrete/paste materials into underground cavities and cracks is used to restore rock
