Pile Foundation Construction of 660kt/a of Propane Dehydrogenation (PDH) and 450kt/a of High Performance Polypropylene (PP) Project of Quanzhou Grand Pacific Chemical Co., Ltd.

11/21/2022 9:46:46 AM

This project is located in Quanzhou City, Fujian Province, invested by Quanzhou Grand Pacific Chemical Co., Ltd., our company has undertaken the construction of bored piles, PHC pre-stressed pipe piles, construction investigation and foundation pit support.

The project started on May 15, 2021 and was completed on March 19, 2022. More than 700 Φ700mm bored piles, more than 4000 Φ800mm bored piles and more than 100 Φ1,000mm bored piles were completed. More than 200 Φ400mm pre-stressed pipe piles, more than 6,600 Φ500mm pre-stressed pipe piles and more than 400 Φ600mm pre-stressed pipe piles were completed, totaling more than 7,400. More than 1,500 construction investigation holes were completed. More than 200 Φ800mm bored piles, more than 30 Φ400mm precipitation wells, more than 200 anchor cables, about 370m of crown beam casting, about 370m of steel waist beam support, about 1,650m2 of hanging net spray anchor, and about 40,000m³ of excavation of foundation pit were completed.

The project department solved the problem of low drilling efficiency of rotary drilling rig in the broken granite layer, overcame the summer heat, thunderstorms, typhoons and the epidemic in Quangang District, all project staff tackled the difficulties and progress, under the supervision of the general contractor and the supervision department, strengthened the coordination and communication with all parties, and completed the pile foundation milestones well, all pile foundations were accepted and qualified, the foundation support project was accepted and the support system met the specification requirements, which was well received by all parties.

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