Kahramanmaraş bölgesinde alüvyon zeminlerde jet grout uygulamalarının mekanik özelliklerinin incelenmesi

The jet grout method, which is among the methods commonly used in the design, decking, and decking of building foundations in our country, is among the most preferred methods. It was observed that there was a decrease in seating, permeability, and an increase in carrying power and against liquefaction with ground strengthening performed by the Jet grout method. Within the scope of the thesis, the mechanical properties of jet injection were examined with different literature studies and in this context, parameters were determined in the production of jet grout column and 3 columns were manufactured. Manufactured jet grout columns are made with different injection pressure and water/cement ratio with a single fluid (Jet1) system on the compressed alluvial ground. Jet grout application was made at the construction site of the Turkoglu fire building, which is planned to be made on behalf of the Metropolitan Municipality of Kahramanmaras, which is located in the Turkoglu District of Kahramanmaras province, Turkoglu (Center) District, 88 Islands, and 21 parcels. A total of three types of bar pressure were used during the application of Jet grout. • 300 bar • 400 bar • 450 bar A soil sample was taken at a depth of one meter in the area of the manufactured columns. Plastic Limit, liquid Limit test, and sieve analysis were performed with the samples taken. In the research, the water/cement ratio of the columns formed with 300 bar and 400 bar from 3 columns manufactured was determined as 1. In the column formed with 450 bar, the water/cement ratio was determined as 0.8. In addition, the pull (30 V (cm/min)) and rotation speeds (15/20 D (rpm)) of the manufactured 3 columns, the diameter of the nozzle used (2.2 mm), and the number (2 pieces) were kept constant. After the jet grout columns were completed, significant differences were observed in the diameter top-up made and removed from the ground. In addition, core samples were taken from the columns in a ratio of one to two and free pressure experiments were conducted. As a result of the experiments, it was observed that the strength of the column increases as the time to receive pyresis increases