Construction Treatment Method for Reinforcing Deep Peat Soil Foundation

• Main Authors: Yue, Muci, Wang, Xingkuo, Gao, Yunsheng, Dong, Yucang, Deng, Zixiong, Cao, Xiuling, Xu, Haiyan, Zhang, Siru
• Format: Patent
• Language: English
• Published: 07.10.2021
• Subjects: EMBANKMENTS; EXCAVATIONS; FIXED CONSTRUCTIONS; FOUNDATIONS; HYDRAULIC ENGINEERING; SOIL SHIFTING; UNDERGROUND OR UNDERWATER STRUCTURES

The present invention discloses a construction treatment method for reinforcing deep peat soil foundation, by laying grouting holes along the deep peat soil foundation, laying a plurality of shallow holes for inserting short grouting pipes and a plurality of deep holes for inserting long grouting pipes, injecting grout into the short grouting pipes to form a composite foundation reinforcement platform, injecting grout into the long grouting pipes to form a composite pile foundation, while laying reinforcing holes along the deep peat soil foundation, laying a plurality of shallow holes for inserting short reinforcing bars and a plurality of deep holes for inserting long reinforcing bars, and using a pipe insertion machine to insert reinforcing bars into the shallow holes for reinforcing bars and the deep holes for reinforcing bars to form a composite pile foundation. The reinforcement pile foundation is formed by inserting reinforcing bars into the shallow holes and deep holes with long reinforcing bars, and reinforcing pile foundation is strengthened by using composite pile foundation and reinforcing pile foundation to enhance the compressive strength of soil body and significantly improve the bearing capacity of deep peat soil foundation. S1001: survey the surrounding area of deep peat soil foundation, obtain the nature of the area where the foundation is located, determine the ground reinforcement or underground reinforcement, determine the area of deep peat soil foundation, and prepare reinforcement materials and tools according to the area of deep peat soil foundation; S1002: remove the surface vegetation ofthe deep peat soil foundation, then lay bamboo basketry as a working cushion, cover the working cushion with soil layer, and tamp the soil layer as the working base of tamping machine and intubation inachine, and at the same time, use landfill and tamp fine stone layer to lay the -shaped road within the scope of the deep peat soil foundation S1003: grouting holes are arranged along the deep peat soil foundation, and a plurality of shallow grouting holes with short grouting pipes and deep grouting holes withlong grouting pipes are arranged: Grouting is carried out into the short grouting pipes to form a composite foundation reinforcement platform, and grouting is carried out into the long grouting pipes to form a composite pile foundation S1004: laying steel bar holes along the deep peat soil foundation, laying a plurality of shallow steel bar holes with short steel bars and deep steel bar holes with long steel bars, and implanting steel bars into the shallow steel bar holes and deep steel bar holes by adopting an intubation machine to form a reinforcing pilefoundation; 31005: under the action of gravity, the deep peat soil foundation is compacted by a tampMg machine, and the soil pores of the deep peat soil foundation are compressed; finally, a sand cushion layer is laid on the surface of the deep peat soil foundation, and the deep peat soil foundation is reinforced after the compaction is continued. Figure 1