Evaluation of the efficiency of large diameter jet grouting technique by conducting stream tests | |
| Author | Nguon, Makara |
| Call Number | AIT Thesis no.GE-24-07 |
| Subject(s) | Grouting (Soil stabilization) Soil consolidation Geotechnical engineering--Technique |
| Note | A thesis submitted in partial fulfillment of the requirements for the degree of Master of Engineering in Geotechnical and Earth Resources Engineering |
| Publisher | Asian Institute of Technology |
| Abstract | The jet grouting method significantly advances ground improvement, addressing many common challenges in geotechnical work.Despite its widespread use and ongoing equipment innovations, this method still faces several challenges that must be addressed to enhance its efficiency and effectiveness. In response to these challenges, quality control has emerged as a key factor in the success of the jet grouting method.To ensure adequate quality control, various factors must be considered to optimize the jet grouting process. The primary aspiration is to advance the method by identifying the jet potential under controlled parameters and achieving consistent jetting performance. To accomplish these desires,stream tests must be conducted with varying parameters, including injected pressure, flow rate, nozzle diameter, observation of distances along the nozzle axis, and side offsets from the nozzle's parallel center. Through this process, the relationship between injected pressure and flow rate can be established, the percentage reduction in jet ejection potential between new and deteriorated nozzles can be quantified, and the attenuation coefficient of jetting in the air can be determined.Ultimately, jet grouting efficiency can be analyzed and concluded.This research provides valuable insights for future ground improvement efforts, aiming to innovate empirical equations to predict jet grouting performance for large diameters on a full scale and to perform simulations that study the behavior of jet grouting under various conditions. These efforts will further advancements in equipment, techniques, and overall efficiency. |
| Year | 2025 |
| Type | Thesis |
| School | School of Engineering and Technology |
| Department | Department of Civil and Infrastucture Engineering (DCIE) |
| Academic Program/FoS | Geotechnical and Earth Resources Engineering (GTE)/Former name = Geotechnical Engineering (GE) |
| Chairperson(s) | Chao, Kuo Chieh |
| Examination Committee(s) | Avirut Puttiwongrak |
| Scholarship Donor(s) | AIT Scholarship |
| Degree | Thesis (M. Eng.) - Asian Institute of Technology, 2025 |