Abstract
Soft clay has a relatively low subgrade bearing capacity. The aim is to obtain physical values, mineralogy, mechanical strength values, values for reduction. The research method used is preloading in a test tube measuring 50×70×150 cm. Each cycle of preloading and thermal induction used a fixed load of 0.015 kg/cm². Thermal induction is given vertically and obliquely with temperature variations of 100, 200, 300, and 400 °C. The main observation point is a distance of 15 cm from the center of the induction. At 400 °C inclined induction, the water content is 17.36% (from the initial water content of 59.07%), the soil cohesion is 21.75. kN/m², the value of unconfined compressive strength is 67.72 kN/m², the highest modulus of elasticity is 4593 kN/m2, and the decrease is 5.13 cm. XRD, SEM, EDS results before heating showed mineralogy 0 (65.06%), Ca (13.30%), Na (3.64%), Mg (2.15%), Al (6.63%), Si (8.52%), Sn (0.70%) and did not change significantly after heating at 400 °C. The results after heating included 0 (58.39%), Ca (14.09%), Na (0.72%), Mg (1.16%), Al (6.63%), Si (14.72%), Sn (2.54%). The novelty obtained is to change very soft conditions became medium conditions. Doi: 10.28991/cej-2021-03091705 Full Text: PDF
Highlights
The main problem of infrastructure development in soft clay is the relatively low bearing capacity of the base soil and the relatively large compaction of the base soil which lasts relatively longer
X-ray diffraction (XRD), SEM, EDS results before heating showed mineralogy 0 (65.06%), Ca (13.30%), Na (3.64%), Mg (2.15%), Al (6.63%), Si (8.52%), Sn (0.70%) and did not change significantly after heating at 400 °C
The combination method of preloading and Thermal Induction is a method of repair that is quite interesting and is still not widely studied in Indonesia at this time [2]
Summary
The main problem of infrastructure development in soft clay is the relatively low bearing capacity of the base soil and the relatively large compaction of the base soil which lasts relatively longer. To overcome the problem of infrastructure development on soft clay soil, it must be improved or ground improvement to make it stronger or gain strength. One of the soil improvement methods, namely the combination method of preloading and thermal induction, is quite an interesting repair method because the method of implementation is simple and still not widely studied in Indonesia at this time. The combination method of preloading and Thermal Induction is a method of repair that is quite interesting and is still not widely studied in Indonesia at this time [2]. That the combination of Preloading and Thermal Induction can accelerate the rate of soil compression for infrastructure development purposes. It is expected that from the results of this experimental study, empirical findings and an overall picture of soft soil behavior will be obtained, especially on the influence of soft soil mechanical properties, mineralogical aspects, soil thermo-mechanical [4]
Sign-in/Register to view highlights & summary Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
