Deep soil mixing with cement method is an approach for modifying and improving the properties of weak soils engineering. The success rate of this method is depends on precisely identifying the soil and determine the physical, mechanical and Consolidation properties of the layers, conduct laboratory experiments on soil-cement samples by studying the effect of various parameters on soil mechanical and consolidation characteristics, the pilot executing the plan in the area by studying the influence of all the parameters on the cement-soil base construction such as rotation speed and Auger penetration, Number of times injection and cement slurry injection method. Considering that the improvement of cohesive soils using this method is more challenging than the improvement of cohesive soils and has been experienced in Bushehr province, it seems necessary to conduct this research. This study is a case study of soil-cement mixing laboratory in a section of land located in the 525-hectare coastal area of Bushehr Port. Based on the results of geotechnical studies, there is a 22 m thick soft to medium adhesive layer at the site. The studied soil type is low-paste clay extracted from a depth of 10 meters. This study performs unconfined compressive strength test in two steps. It has investigated the parameters related to the test as well as determining the percent of optimum cement consumption and the ratio of water to optimum cement. In the first step, samples with 4 to 20 percent of cement and water-to-cement ratio of 0.4 to 0.6 were tested at 7, 14 and 28-day processing times. In the second step, by determining the percent of consumed cement and the ratio of water to optimum cement, the effect of curing time on unconfined compressive strength is studied. Also, based on the results obtained in the first step, samples with 6 and 14 percent of cement and water-cement ratio of 0.5 were examined for one-dimensional consolidation at 28-day processing time. The results of the analys