US 12,264,448 B2
Soft soil foundation porous-depth air compression drainage device and working method thereof
Jun Wang, Zhejiang (CN); Hongyue Sun, Zhejiang (CN); Junwei Shu, Zhejiang (CN); Qi Chen, Zhejiang (CN); Mengchen Jin, Zhejiang (CN); Shuai Yuan, Zhejiang (CN); Juan Zheng, Zhejiang (CN); Jilei Chang, Zhejiang (CN); and Xueye Li, Zhejiang (CN)
Assigned to Zhejiang University, Hangzhou (CN); and Ningbo China Communications Water Transportation Design and Research Co., Ltd., Ningbo (CN)
Filed by Zhejiang University, Zhejiang (CN); and Ningbo China Communications Water Transportation Design and Research Co., Ltd., Zhejiang (CN)
Filed on Nov. 2, 2022, as Appl. No. 17/978,984.
Claims priority of application No. 202111361278.8 (CN), filed on Nov. 17, 2021.
Prior Publication US 2023/0151573 A1, May 18, 2023
Int. Cl. E02D 3/00 (2006.01)
CPC E02D 3/00 (2013.01) 10 Claims
OG exemplary drawing
 
1. A soft soil foundation porous-depth air compression drainage device, comprising an air compression pipe (1) and a water drainage pipe (2), wherein a water drainage cavity body (3) and an air diffusion cavity body (4) are buried respectively in a soft soil foundation (6); at least two water drainage cavity bodies (3) are disposed around the air diffusion cavity body (4), and a bottom of the air diffusion cavity body (4) in the soft soil foundation (6) is lower than a bottom of the water drainage cavity body (3) in the soft soil foundation (6); a connection opening is opened on a top end surface of the air diffusion cavity body (4) and is connected with the air compression pipe (1), and the air compression pipe (1) protrudes out of ground surface along a vertical direction of the soft soil foundation (6) and communicates with an inflation pump (5); a connection opening is opened on a top end surface of the water drainage cavity body (3) and is connected with the water drainage pipe (2), one end of the water drainage pipe (2) protrudes to the bottom of the water drainage cavity body (3), and the other end of the water drainage pipe (2) protrudes out of the ground surface along the vertical direction of the soft soil foundation (6), wherein a height of the water drainage cavity body (3) is greater than a height of the air diffusion cavity body (4).