WebThe proposed engineering classification of gypsiferous soils includes two classes: “Gypsiferous Soil” and “Highly Gypsiferous Soil”; according to the gypsum content (< 25% and > 25%, respectively), initial void ratio, coefficient of curvature, coefficient of uniformity, collapse potential, compressive strength, cohesion, plasticity ... WebThis study presents an experimental investigation for using the bacterial calcium carbonate precipitation in improving the shear strength of gypseous soils. Tests were carried out …
Studying collapse potential of gypseous soil treated by grouting
WebMar 15, 2024 · The core of the application of grouting method is to design key grouting parameters including injection pressure, injection rate, grout diffusion radius and … WebG round modification/slope stability for prevention of landslides, erosion, or any place where site conditions or project requirements dictate modification of the existing soil properties; Controllable reaction times from seconds to hours; AV-100 Acrylamide has a half-life of 362 years for 20% grout concentration, as determined by U.S. Dept. of ... iowfin
(PDF) Use of Grouting Method to Improve Soil Stability Against ...
WebFeb 1, 2013 · This study was carried out on four types of gypseous soils that have different properties and various gypsum contents. The testing was carried out on remoulded samples to evaluate the compressibility of gypseous soil under different conditions. The samples were grouted with acrylate liquid. WebSome additives are used to remove the gypsum from soil [12]. Grouting is also used by pumping cement mortar [13] or bentonite [14] inside the gypseous soil. Almost all the above mentioned researches have focused on the improvement of the gypseous soil rather than assessing it in order to decide whether to improve it or modify the foundation of the WebFeb 1, 2013 · This study was carried out on four types of gypseous soils that have different properties and various gypsum contents. The testing was carried out on remoulded … opening paypal account without bank account