Numerical Modeling of Grout Injection for Hybrid Bored Prestressed Concrete Cased Piles

Hu, Hesong; Prabhu, Sudheer; Chen, Xiaobin; Qiu, Tong

doi:10.1007/978-3-030-80152-6_8

Cited by 1 publication

(1 citation statement)

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“…The use of jet grouting greatly increased the stability of the pile-grout system, according to numerical research [8] on the performance of jet grout piles for braced excavations in soft clay. According to numerical modeling carried out [9] for grout injection into hybridbored prestressed concrete cased piles, the use of grouting considerably increased the pile's ability to support loads. Wan Z.…”

Section: Introductionmentioning

confidence: 99%

Numerical Analysis of the Pile-Grout System in Soft Clay under Vertical and Lateral Load

Qaddoory,

Noman,

Saleh

2023

E3S Web Conf.

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In this paper, a numerical investigation of the effects of grout parameters on the load response of concrete pile-grout systems in soft clay is presented. The study examines the influence of grout diameter and depth on the load bearing capacity of the pile under vertical and lateral loads. The research findings indicate that grouting can enhance the load bearing capacity of a single pile system by up to 27% under vertical loads and up to 51% under lateral loads, depending on the diameter and depth of the grout used. This is due to the grout's ability to fill voids in the soil and improve the soil-pile interface, resulting in better soil-pile interaction. Additionally, the study demonstrates that increasing the diameter and depth of grout leads to a larger treated soil area and subsequently an increase in load bearing capacity. Furthermore, the research indicates a linear relationship between the amount of grout material utilized and the increase in the load bearing capacity of the pile. The study concludes that grouting is an effective method for improving the pile performance systems, particularly in soft soil conditions. The results of the research are consistent with prior studies on the use of grout material to enhance the load-carrying capacity of pile systems.

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Section: Introductionmentioning

confidence: 99%