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Relevant bibliographies by topics / Cement Treated Soils

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Academic literature on the topic 'Cement Treated Soils'

Author: Grafiati

Published: 4 June 2021

Last updated: 6 September 2023

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Journal articles on the topic "Cement Treated Soils"

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Watabe, Yoichi, Takashi Kaneko, and Yu Watanabe. "Cement mix proportion for treated soils recycled from a cement treated soil." Japanese Geotechnical Society Special Publication 4, no. 7 (2016): 168–72. http://dx.doi.org/10.3208/jgssp.v04.j16.

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Quang, Nguyen Duy, and Jin Chun Chai. "Permeability of lime- and cement-treated clayey soils." Canadian Geotechnical Journal 52, no. 9 (September 2015): 1221–27. http://dx.doi.org/10.1139/cgj-2014-0134.

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The permeability (k) of lime- and cement-treated clayey soils was investigated in the laboratory by flexible-wall permeability tests and oedometer tests. Test results indicate that for the cement-treated soils (with up to 8% cement content by dry weight), the value of k is almost equal to that of untreated soils under identical void ratio (e) conditions, and the k value decreases significantly when the cement content is higher than 8%. For lime-treated soils, the threshold lime content is about 4%. Investigation of the soil microstructure using the mercury intrusion porosimetry (MIP) test and scanning electron microscope (SEM) imaging indicates that when the cementation products formed by the pozzolanic reaction fill mainly the intra-aggregate pores, the value of k is comparable for the treated and untreated samples. When the cementation products begin to fill the interaggregate pores, the value of k of the treated sample becomes smaller than that of the untreated soil sample under the identical e value condition. An indication that the cementation products have filled the interaggregate pores is the rapid increase in strength of the treated soil.

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Bui Truong, Son, Nu Nguyen Thi, and Duong Nguyen Thanh. "An Experimental Study on Unconfined Compressive Strength of Soft Soil-Cement Mixtures with or without GGBFS in the Coastal Area of Vietnam." Advances in Civil Engineering 2020 (June 30, 2020): 1–12. http://dx.doi.org/10.1155/2020/7243704.

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Soft soil is widely distributed in Vietnam, especially in the coastal area. In engineering practice, soft soil cannot be used to build any construction and needs to be improved or treated before building construction. In addition, Vietnam has many pig-iron or thermal power plants, which annually produce a huge amount of granulated blast furnace slag (GBFS). Thus, the use of this material for soft soil improvement needs to be considered. This paper presents experimental results on the unconfined compressive strength (UCS) of three Vietnam’s soft soils treated with Portland cement and Portland cement with ground granulated blast furnace slag (GGBFS). Binder dosage used in this study is 250, 300, and 350 kg/m3 with the three different water/cement ratios of 0.8, 0.9, and 1.0, respectively. The research results showed that the UCS of soil-cement mixtures depends on soil type, water/cement ratio, cement type, and binder content. Accordingly, the unconfined compressive strength increased with the increase of binder contents, the decrease of the natural water content of soft soil, water/cement ratios, and clay content. The highest value of UCS of treated soils was found for the soil at Site II with the Portland cement content, cement GGBFS, and water/cement ratio of 873 kg/m3, 2355 kg/m3, and 0.8, respectively. Besides, for all the three soils and two binder types, the water/cement ratio of 0.8 was found to be suitable to reach the highest UCS values of treated soil. The research results also showed that the UCS of treated soil with cement GGBFS was higher than that of treated soil with Portland cement. This indicated the effectiveness of the use of Portland cement with GGBFS in soft soil improvement. There is great potential for reducing the environmental problems regarding the waste materials from pig-iron plants in Vietnam and the construction cost as well.

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Zhi, Bin, Liang Yang, and En Long Liu. "Study on the Mechanical Properties of Lime-Cement-Treated Loess Soils." Applied Mechanics and Materials 638-640 (September 2014): 1408–13. http://dx.doi.org/10.4028/www.scientific.net/amm.638-640.1408.

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The cement-lime treated loess soils and cement-treated loess soils are widely used all over the world, but their strength features and physical mechanism are investigated few at the moment. The cement-lime treated loess soil samples and cement-treated loess soil samples were prepared according to their weight ratio and tested to study their physical indices and strength varying with age. The tested results demonstrate that: (i) The content of cement has great influence on the liquid limit and plastic limit of the samples. With the increase of adding content of lime, the average plasticity indices also increase gradually, and the values of plastic limits of the samples will also increase; (ii) The stregnth of the samples increases with the increase of curing age, which is affected by many factors including treated materials, compatcion work, water content, and age.

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Cao, Jing, Fangyi Liu, Zhigang Song, Wenyun Ding, Yongfa Guo, Jianyun Li, and Guoshou Liu. "Effect of Ultra-Fine Cement on the Strength and Microstructure of Humic Acid Containing Cemented Soil." Sustainability 15, no. 7 (March 29, 2023): 5923. http://dx.doi.org/10.3390/su15075923.

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The peat soil in the Dianchi Lake area of Yunnan, China, is widely distributed, bringing many problems to engineering. The peat soil foundation is usually treated by the cement mixing method, and the reinforcement effect of cemented soil is mainly affected by humic acid (HA). Ultra-fine cement (UFC) can improve cement performance and reduce cement consumption, decreasing CO2 emissions and the impact of human activities on the environment. Simulated peat soils in different environments are prepared with HA reagent and cohesive soil, reinforced by composite cement curing agent mixed with ultrafine cement (UFC). The relationship among the UFC proportion, HA reagent content, soaking time, and sample strength was studied. The unconfined compressive strength test (UCS), scanning electron microscope (SEM), and PCAS microscopic quantitative test techniques were used to explore the mechanism of the effect of UFC on the strength of HA-containing cemented soil. The increasing UFC proportion in the composite cement curing agent gradually increased HA-containing cemented soil’s strength. UFC significantly reduced the percentage of macropores in HA-containing cemented soil and made the microstructure denser. The HA-containing cemented soil’s qu increased the most when the UFC proportion increased from 0% to 10%. The solidification effect of the composite cement curing agent mixed with UFC was always stronger than that of OPC. The composite cement curing agent with a UFC proportion of 10% is practical. Cement is still an important building material in the current construction industry, and UFC provides a new method for reducing environmental impact in engineering construction.

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Mirzababaei, Mehdi, Jafar Karimiazar, Ebrahim Sharifi Teshnizi, Reza Arjmandzadeh, and Sayed Hessam Bahmani. "Effect of Nano-Additives on the Strength and Durability Characteristics of Marl." Minerals 11, no. 10 (October 12, 2021): 1119. http://dx.doi.org/10.3390/min11101119.

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Low bearing capacity soils may pose serious construction concerns such as reduced bearing capacity and excessive hydro-associated volume changes. Proper soil remediation techniques must be planned and implemented before commencing any construction on low bearing capacity soils. Environmentally friendly soil stabilizers are gradually replacing traditional soil stabilizers with high carbon dioxide emissions such as lime and cement. This study investigated the use of an alternative pozzolanic mix of nano-additives (i.e., nano-silica and nano-alumina) and cement to reduce the usage of cement for achieving competent soil stabilization outcomes. A series of unconfined compressive strength (UCS), direct shear, and durability tests were conducted on marl specimens cured for 1, 7, and 28 days stabilized with nano-additives (0.1~1.5%), 3% cement, and combined 3% cement and nano-additives. The UCS and shear strength of stabilized marl increased with nano-additives up to a threshold nano-additive content of 1% which was further intensified with curing time. Nano-additive treated cemented marl specimens showed long durability under the water, while the cemented marl decomposed early. The microfabric inspection of stabilized marl specimens showed significant growth of calcium silicate hydrate (CSH) products within the micro fabric of nano-silica treated marl with reduced pore-spaces within aggregated particles. The results confirmed that nano-additives can replace cement partially to achieve multi-fold improvement in the strength characteristics of the marl.

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Azadegan, Omid, Jie Li, S. Hadi Jafari, and Gang Ren. "Geogrid Reinforced Lime Cement Treated Granular Soils." Applied Mechanics and Materials 330 (June 2013): 1090–94. http://dx.doi.org/10.4028/www.scientific.net/amm.330.1090.

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Construction on problematic and soft soils has always been considered a challenging task by the geotechnical engineers. Such soils can be treated with traditional lime and cement stabilization. However in some cases using geogrid reinforced lime and cement treated materials can be very effective, especially in case of seismic or dynamic loads. In this research, a series of laboratory testing has been carried out to investigate mechanical properties of lime and cement treated granular materials with and without geogrid reinforcing layers. The results of the unconfined compressive tests show that geogrid reinforcement improves the ductility of the treated materials. However, it would not develop the compressive strength in many of used mix Designs. The investigations reveal that the mix design for lime and cement treatment must be selected accurately by considering the natural beds conditions to achieve the best possible results from stabilization procedure.

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Aniculaesi, Mircea, Irina Lungu, and Anghel Stanciu. "Cure Time Effect on Compressibility Characteristics of Expansive Soils Treated with Eco-Cement." Advanced Materials Research 587 (November 2012): 129–33. http://dx.doi.org/10.4028/www.scientific.net/amr.587.129.

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The objective of this paper is to investigate the influence of curing time on expansive soil as a construction material when treated with eco-cement stabilizer, as partly substituting the Portland cement. Standard consolidation samples were prepared from treated soils with 10 % cement (5% eco-cement and 5% Portland cement), reported to the dry unit weight of soil, and cured for 1, 7 and 14 days. After this period the soil samples were then socked in water and standard consolidation tests were performed on them. The compressibility characteristics, for the improved soil with 10% cement, Eoed, mv and Cv have shown a significant improvement during the first 7 days. After 7 days curing time the variation of compressibility characteristics is less pronounced.

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Onyelowe, Kennedy Chibuzor, Duc Bui Van, Mohammed Oludare Idrees, Michael E. Onyia, Lam Dao-Phuc, Favour Deborah A. Onyelowe, Talal Amhadi, et al. "An Experimental Study on Compaction Behavior Of Lateritic Soils Treated with Quarry Dust Based Geopolymer Cement." Journal of Solid Waste Technology and Management 47, no. 1 (February 1, 2021): 104–19. http://dx.doi.org/10.5276/jswtm/2021.104.

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Due to the scarcity of well-graded gravel materials, lateritic soils are widely used for road construction in tropic areas. However, lateritic soils often do not meet the strict requirement for subgrade and need to be improved to be used as construction material. Among several approaches used to enhance the engineering properties of lateritic soils, the use of industrial waste materials, such as fly ash, granulated blast furnace slag, is of particular interest to the construction industry as a potential replacement material for Portland cement in soil stabilization. Meanwhile, some effort has been made to study the use of quarry dust in stabilizing lateritic soils. The present work aims at assessing the compaction characteristics of three different types of lateritic soils, treated with quarry dust based geopolymer cement. A systematic study by varying the proportion of geopolymer cement was carried out. Test results show that the soil dry density substantially increased while the corresponding optimal moisture content decreased with the amount of geopolymer cement under varying compactive effort.

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Consoli, Nilo Cesar, António Viana da Fonseca, Rodrigo Caberlon Cruz, and Sara Rios Silva. "Voids/Cement Ratio Controlling Tensile Strength of Cement-Treated Soils." Journal of Geotechnical and Geoenvironmental Engineering 137, no. 11 (November 2011): 1126–31. http://dx.doi.org/10.1061/(asce)gt.1943-5606.0000524.

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Dissertations / Theses on the topic "Cement Treated Soils"

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Young, Tyler Blaine. "Early-age strength assessment of cement-treated materials /." Diss., CLICK HERE for online access, 2007. http://contentdm.lib.byu.edu/ETD/image/etd1779.pdf.

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Sariosseiri, Farid. "Critical state framework for interpretation of geotechnical properties of cement treated soils." Online access for everyone, 2008. http://www.dissertations.wsu.edu/Dissertations/Summer2008/f_sariosseiri_070208.pdf.

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Shea, Michael Scott. "Hydraulic Conductivity of Cement-Treated Soils and Aggregates after Freezing." BYU ScholarsArchive, 2010. https://scholarsarchive.byu.edu/etd/2434.

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Improvements in the strength and durability of frost-susceptible soils and aggregates can be achieved through chemical stabilization using portland cement, where the efficacy of cement stabilization for improving durability depends on the degree to which hydraulic conductivity is reduced. Hydraulic conductivity is commonly estimated from basic soil properties using Moulton's empirical equation. However, the hydraulic conductivity estimation does not consider the detrimental effects of freezing or the benefits of cement stabilization. The purpose of this research was to derive new equations relating hydraulic conductivity after freezing to specific material properties of cement-treated soils and aggregates stabilized with different concentrations of cement. This research included material samples from two locations in Alaska and from single locations in Minnesota, Montana, Texas, and Utah, for a total of six material samples. Each soil or aggregate type was subjected to material characterization by the Unified Soil Classification System (USCS) and the American Association of State Highway and Transportation Officials (AASHTO) classification system. Moisture-density curves were developed, and unconfined compressive strength (UCS) testing was performed to determine cement concentrations generally corresponding to low, medium, and high 7-day UCS values of 200, 400, and 600 psi, respectively. After being cured for 28 days at 100 percent relative humidity, the prepared specimens were subjected to frost conditioning and hydraulic conductivity testing. The Alaska-Elliott, Minnesota, Montana, and Utah materials exhibit decreasing hydraulic conductivity with increasing UCS, the Texas material exhibits increasing hydraulic conductivity with increasing strength from the low to medium cement concentration levels but decreasing hydraulic conductivity from the medium to high cement concentration levels, and the Alaska-Dalton material exhibits increasing hydraulic conductivity with increasing strength. Multivariable regression analyses were performed to investigate relationships between hydraulic conductivity and several material properties, including soil gradation and classification, fineness modulus, specific gravity, cement content, porosity, compaction method, dry density, and 7-day UCS for each specimen. The R2 values computed for the six-parameter, four-parameter, USCS, and AASHTO-classification models are 0.795, 0.767, 0.930, and 0.782, respectively. Further research is recommended to investigate the effects of cement on hydraulic conductivity for USCS and AASHTO soil types not covered in this research.

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Reese, G. Benjamin. "Use of the heavy Clegg impact soil tester to assess rutting susceptiblity of cement-treated base material under early trafficking /." Diss., CLICK HERE for online access, 2007. http://contentdm.lib.byu.edu/ETD/image/etd1831.pdf.

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Young, Tyler B. "Early Age Assessment of Cement Treated Materials." BYU ScholarsArchive, 2007. https://scholarsarchive.byu.edu/etd/885.

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In order to avoid the occurrence of early-age damage, cement-treated base (CTB) materials must be allowed to cure for a period of time before the pavement can be opened to traffic. The purpose of this research was to evaluate the utility of the soil stiffness gauge (SSG), heavy Clegg impact soil tester (CIST), portable falling-weight deflectometer (PFWD), dynamic cone penetrometer, and falling-weight deflectometer for assessing early-age strength gain of cement-stabilized materials. Experimentation was performed at four sites on a pavement reconstruction project along Interstate 84 near Morgan, Utah, and three sites along Highway 91 near Richmond, Utah; cement stabilization was used to construct CTB layers at both locations. Each site was stationed to facilitate repeated measurements at the same locations with different devices and at different curing times. Because of the considerable attention they have received in the pavement construction industry for routine quality control and quality assurance programs, the SSG, CIST, and PFWD were the primary focus of the research. Statistical techniques were utilized to evaluate the sensitivity to curing time, repeatability, and efficiency of these devices. In addition, the ruggedness and ease of use of each device were evaluated. The test results indicate that the CIST data were more sensitive to curing time than the SSG and PFWD data at the majority of the cement-treated sites during the first 72 hours after construction. Furthermore, the results indicate that the CIST is superior to the other instruments with respect to repeatability, efficiency, ruggedness, and ease of use. Because the CIST is less expensive than the SSG and PFWD, it is more likely to be purchased by pavement engineers and contractors involved with construction of CTBs. For these reasons, this research suggests that the CIST offers greater overall utility than the SSG or PFWD for monitoring early-age strength gain of CTB. Further research is needed to identify appropriate threshold CIST values at which CTB layers develop sufficient strength to resist permanent deformation or marring under different types of trafficking.

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Lewsley, Gregory. "On the strength of saturated cement-treated soil reconstituted by wet-mixing." Thesis, University of British Columbia, 2008. http://hdl.handle.net/2429/4175.

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Cutter Soil Mixing (CSM) is a recently developed deep mixing technique that has grown to include the treatment of sandy and silty soils. This study seeks to investigate the influence of (i) sand-silt ratio, (ii) cement content, (iii) water content and (iv) time on the unconfined compressive strength of saturated cement-treated soil specimens. A new test device and method of specimen reconstitution were conceived in order to obtain a saturated mix of soil and cement. A comparison of results show strength increases non-linearly to decreasing total water-cement ratio, and that this trend is largely independent of sand-silt ratio. Furthermore, strength increases non-linearly with time and is independent of sand-silt ratio. Lastly, it is recommended that the strength be correlated with total water-cement ratio rather than cement content, in order to improve data reporting and provide design guidance to engineering practice.

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Michener, John E. "Effects of Environmental Factors on Construction of Soil-Cement Pavement Layers." Diss., CLICK HERE for online access, 2008. http://contentdm.lib.byu.edu/ETD/image/etd2630.pdf.

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Hope, Charles A. "Evaluation of Portable Devices for Monitoring Microcracking of Cement-Treated Base Layers." BYU ScholarsArchive, 2011. https://scholarsarchive.byu.edu/etd/2965.

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A relatively new method used to reduce the amount of cement-treated base (CTB) shrinkage cracking is microcracking of the CTB shortly after construction. Three portable instruments used in this study for monitoring the microcracking process include the heavy Clegg impact soil tester (CIST), portable falling-weight deflectometer (PFWD), and soil stiffness gauge (SSG). The specific objectives of this research were 1) to evaluate the sensitivity of each of the three portable instruments to microcracking, and 2) to compare measurements of CTB stiffness reduction obtained using the three devices. The test locations included in this study were Redwood Drive and Dale Avenue in Salt Lake City, Utah; 300 South in Spanish Fork, Utah; and a private access road in Wyoming. Experimental testing in the field consisted of randomized stationing at each site; sampling the CTB immediately after the cement was mixed into the reclaimed base material; compacting specimens for laboratory testing; and testing the CTB immediately after construction, immediately before microcracking, immediately after each pass of the vibratory roller during the microcracking process, and, in some instances, three days after microcracking. Several linear regression analyses were performed after data were collected using the CIST, PFWD, and SSG during the microcracking process to meet the objectives of this research. Results from the statistical analyses designed to evaluate the sensitivity of each of the three portable instruments to microcracking indicate that the PFWD and SSG are sensitive to microcracking, while the CIST is insensitive to microcracking. Results from the statistical analyses designed to compare measurements of CTB stiffness reduction demonstrate that neither of the instrument correlations involving the CIST are statistically significant. Only the correlation between the PFWD and SSG was shown to be statistically significant. Given the results of this research, engineers and contractors should utilize the PFWD or SSG for monitoring microcracking of CTB layers. The heavy CIST is unsuitable for monitoring microcracking and should not be used. For deriving target CTB stiffness reductions measured using either the PFWD or SSG from specified targets measured using the other, engineers and contractors should utilize the correlation chart developed in this research.

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Moss, Steven Phillip. "Experimental study for asphalt emulsion treated base." To access this resource online via ProQuest Dissertations and Theses @ UTEP, 2008. http://0-proquest.umi.com.lib.utep.edu/login?COPT=REJTPTU0YmImSU5UPTAmVkVSPTI=&clientId=2515.

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Lapointe, Emilie. "Cement-treated soil : a comparison of laboratory and field data from Fountain slide remediation deep mixing project." Thesis, University of British Columbia, 2012. http://hdl.handle.net/2429/42127.

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In order to better understand the influence of laboratory reconstitution methods on the strength of cement-treated soil, a laboratory program was undertaken to investigate the unconfined compressive strength of cement-treated specimens reconstituted from low plasticity soils. The laboratory program examines two soil types and two reconstitution methods. The soil samples were taken from a Cutter Soil Mixer [CSM] field improvement site in British Columbia. Two reconstitution methods were used: a saturated wet-mixing method and an unsaturated dry-mixing method. To assess the relevance of using laboratory results to guide design, a subsequent field component of this research compares the strength of test specimens cast from field-mixed cement-treated soil, with the strength obtained from laboratory-reconstituted specimens. The strength of laboratory-reconstituted soil specimens is largely independent of the soil type and reconstitution method used. A standardized approach for determining cement content in uncured mixed soil-cement is evaluated. Results from the method allow for direct comparison between the strength of field-mixed versus laboratory-reconstituted specimens as a function of the cement content, and/or the water-cement ratio. Based on the simplicity of use and accuracy of results, it is recommended that the Heat of Neutralization method (ASTM 5982-07) be incorporated into the quality assurance program of deep mixing projects.

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Books on the topic "Cement Treated Soils"

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Lay, Russell D. Frost heave of a Montana silt treated with reduced cement contents. Provo, Utah: Brigham Young University, 2005.

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Book chapters on the topic "Cement Treated Soils"

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Cai, Guang-Hua, Song-Yu Liu, Guang-Yin Du, Liang Wang, and Chuan Qin. "Permeability Comparison of MgO-carboanted Soils and Cement-Treated Soils." In Proceedings of GeoShanghai 2018 International Conference: Ground Improvement and Geosynthetics, 105–13. Singapore: Springer Singapore, 2018. http://dx.doi.org/10.1007/978-981-13-0122-3_12.

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Chian, S. C. "Tailoring the Properties of Cement-Treated Clayey Soils." In Developments in Geotechnical Engineering, 173–82. Singapore: Springer Singapore, 2018. http://dx.doi.org/10.1007/978-981-13-0505-4_15.

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Hung, Ho Manh, William Cheang, Phung Duc Long, and Nguyen Anh Tuan. "Simulation of Cement-Treated Soils Considering Softening Behavior." In Lecture Notes in Civil Engineering, 1039–44. Singapore: Springer Singapore, 2019. http://dx.doi.org/10.1007/978-981-15-2184-3_134.

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Lake, Craig B., Jill Searle, and Evan Bridson-Pateman. "Naphthalene Sorption to Organic Additives in Cement-Treated Soils." In Contaminated Sediments: 5th Volume, Restoration of Aquatic Environment, 246–63. 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959: ASTM International, 2012. http://dx.doi.org/10.1520/stp104302.

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Watabe, Yoichi, Takatoshi Noguchi, and Yoshio Mitarai. "Use of Cement-Treated Lightweight Soils Made from Dredged Clay." In Contaminated Sediments: 5th Volume, Restoration of Aquatic Environment, 15–31. 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959: ASTM International, 2012. http://dx.doi.org/10.1520/stp104219.

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Aksu, Gizem, and Tugba Eskisar. "Mechanical Behavior of Cement-Treated Soils with Nanosilica—A Green Binder." In Lecture Notes in Civil Engineering, 609–18. Singapore: Springer Singapore, 2021. http://dx.doi.org/10.1007/978-981-16-0077-7_51.

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Van Nguyen, Son, Lanh Si Ho, and Kenichiro Nakarai. "Experimental Investigation of Cement Type Effect on Hydration and Strength Development of Cement-Treated Soils." In Lecture Notes in Civil Engineering, 1045–53. Singapore: Springer Singapore, 2021. http://dx.doi.org/10.1007/978-981-16-7160-9_106.

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Ueno, Kazutaka, Kiyonobu Kasama, and Zentaro Furukawa. "Strength and Cement Hydration Properties of Cement-Treated Soil." In Lecture Notes in Civil Engineering, 587–91. Singapore: Springer Singapore, 2019. http://dx.doi.org/10.1007/978-981-15-2184-3_75.

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Pham Ngoc, Thang, Behzad Fatahi, and Hadi Khabbaz. "Impact of Liquid Whey Waste on Strength and Stiffness of Cement Treated Clay." In New Developments in Soil Characterization and Soil Stability, 1–10. Cham: Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-95756-2_1.

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Kommu, Suresh, and SS Asadi. "Effect of pH on Compressibility Behaviour of Cement-Treated Soil." In Lecture Notes in Civil Engineering, 789–807. Singapore: Springer Singapore, 2020. http://dx.doi.org/10.1007/978-981-15-5644-9_63.

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Conference papers on the topic "Cement Treated Soils"

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Namikawa, Tsutomu, Yoshio Suzuki, Sadatomo Onimaru, Takuya Tsukamoto, Ryo Kurosawa, and Kentaro Shimada. "Cyclic Unconfined Compression Test of Cement-Treated Soils." In Grouting 2017. Reston, VA: American Society of Civil Engineers, 2017. http://dx.doi.org/10.1061/9780784480809.026.

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Rout, Ranjan K., Pinit Ruttanapormakul, Shashank Valluru, and Anand J. Puppala. "Resilient Moduli Behavior of Lime-Cement Treated Subgrade Soils." In GeoCongress 2012. Reston, VA: American Society of Civil Engineers, 2012. http://dx.doi.org/10.1061/9780784412121.147.

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Guthrie, W. S., M. S. Shea, and D. L. Eggett. "Hydraulic Conductivity of Cement-Treated Soils and Aggregates after Freezing." In Cold Regions Engineering 2012. Reston, VA: American Society of Civil Engineers, 2012. http://dx.doi.org/10.1061/9780784412473.010.

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Abu-Farsakh, Murad, Sanjay Dhakal, and Qiming Chen. "Performance Evaluation of Cement Treated/Stabilized Very Weak Subgrade Soils." In Geo-Congress 2014. Reston, VA: American Society of Civil Engineers, 2014. http://dx.doi.org/10.1061/9780784413272.135.

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Adams, Melissa, and W. Spencer Guthrie. "Indirect Tensile Strength of Clayey Soils Treated with Cement or Lime." In 2023 Intermountain Engineering, Technology and Computing (IETC). IEEE, 2023. http://dx.doi.org/10.1109/ietc57902.2023.10152222.

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Zhang, Dingwen, Songyu Liu, Libin Fan, and Yongfeng Deng. "Effect of Salt Concentrations on the Electrical Resistivity of Cement-Treated Soils." In GeoCongress 2012. Reston, VA: American Society of Civil Engineers, 2012. http://dx.doi.org/10.1061/9780784412121.105.

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Al-Rubaye, Ahmed, Anton Chirica, and Ioan Bo?i. "THE INFLUENCE OF NANOMATERIALS ON THE GEOTECHNICAL PROPERTIES OF COHESIVE SOILS." In 22nd SGEM International Multidisciplinary Scientific GeoConference 2022. STEF92 Technology, 2022. http://dx.doi.org/10.5593/sgem2022/1.1/s02.019.

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This paper experimentally investigated the effect of using nanomaterials to improve soft soils. Laboratory experimental tests were carried out on loessial soils collected from two different sites in Romania. Two different types of nanomaterials were used in this research, which is namely Nano-MgO with different percentages (0.5%, 0.75%, 1%, and 2%), and Nano-Al2O3 with percentages (0.5%,1%, and 2%), were added to the soil samples, to study their effect on the strength, consistency limits and compressibility of the soil. Treated soil samples were compacted using the modified Proctor test procedure and tested. The results of the investigations showed that the addition of nanomaterials to the soil may help to enhance the geotechnical properties. the compressibility and the strength of the treated soils increase with the increase in the amount of nanomaterials, Also, the addition of nanomaterials to the cohesive soils showed a small effect on the microstructure of the soil samples. As expected, the improvement is dependent on the type and amount of the nanomaterials. The results have been compared with 2% soil mixtures with cement.

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Hayano, Kimitoshi, Phan Huy Dong, and Yoshiyuki Morikawa. "Physical and mechanical properties of cement-treated granular soils with respect to geotechnical application." In POWDERS AND GRAINS 2013: Proceedings of the 7th International Conference on Micromechanics of Granular Media. AIP, 2013. http://dx.doi.org/10.1063/1.4811927.

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Hayano, Kimitoshi, and Masaki Kitazume. "Strength Variance within Cement Treated Soils Induced by Newly Developed Pneumatic Flow Mixing Method." In Geo-Frontiers Congress 2005. Reston, VA: American Society of Civil Engineers, 2005. http://dx.doi.org/10.1061/40783(162)14.

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Loganayagan, S. "Experimental Study on Practice of Cement Treated Subbase (CTSB) Layer in Flexible Pavement of National Highways in India." In Sustainable Materials and Smart Practices. Materials Research Forum LLC, 2022. http://dx.doi.org/10.21741/9781644901953-5.

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Abstract. Due to the large number of infrastructure projects taking place in rural and urban areas there has been a shortage of building materials. The road industry is looking at ways to improve low-quality materials that are easily accessible for use in road construction. Cement / lime treatment has become an acceptable way to increase soil strength and consistency with moderate proportions, to reduce the number of compounds. The Indian roads congress (IRC) has developed a special edition for the mixed construction of the base / ground floor. There is no design guide currently available for the under the cement base. To overcome this problem, the aim of the current project is to create a chart of the paved area using concrete and limestone on rural and urban roads with small and medium vehicles. It not only saves money but also helps to increase the life cycle of roads. At the base of the road, there are different soils or granite materials available for construction, but they may indicate insufficient structures and lead to significant road stress and reduced life. However, the addition of a stabilizing agent such as cement, asphalt, lime or other non-traditional materials can improve soil properties. Among these various stable materials, cemented materials improve strength and high strength, and demonstrate the excellent performance of the paved system and high durability. Solid foundations can provide inexpensive solutions to many common designs and building conditions. Cement Treated Sub Base (CTSB) is a common method used on road foundations to improve its engineering properties due to the durability of cement where moisture is present and extends the healing time. The bonded base material provides additional strength and support without increasing the overall thickness of the mortar layers. Depending on the needs of the project, CTB increases construction speed, improves the capacity of the pavement structure, or in some cases reduces the full-time project. In addition, a strong foundation reduces deviation due to heavy traffic loads, thereby extending the life of the pavement. CTB base thickness is reduced due to higher carrying capacity compared to granular base thickness.

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Reports on the topic "Cement Treated Soils"

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Shivakumar, Pranavkumar, Kanika Gupta, Antonio Bobet, Boonam Shin, and Peter J. Becker. Estimating Strength from Stiffness for Chemically Treated Soils. Purdue University, 2022. http://dx.doi.org/10.5703/1288284317383.

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The central theme of this study is to identify strength-stiffness correlations for chemically treated subgrade soils in Indiana. This was done by conducting Unconfined Compression (UC) Tests and Resilient Modulus Tests for soils collected at three different sites—US-31, SR-37, and I-65. At each site, soil samples were obtained from 11 locations at 30 ft spacing. The soils were treated in the laboratory with cement, using the same proportions used for construction, and cured for 7 and 28 days before testing. Results from the UC tests were compared with the resilient modulus results that were available. No direct correlation was found between resilient modulus and UCS parameters for the soils investigated in this study. A brief statistical analysis of the results was conducted, and a simple linear regression model involving the soil characteristics (plasticity index, optimum moisture content and maximum dry density) along with UCS and resilient modulus parameters was proposed.

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Anderton, Gary, Ernest Berney, John Newman, Travis Mann, Chad Gartrell, and Daniel Miller. Joint Rapid Airfield Construction (JRAC) Program 2004 Demonstration Project--Fort Bragg, North Carolina. Engineer Research and Development Center (U.S.), March 2021. http://dx.doi.org/10.21079/11681/40139.

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This report describes the demonstration of technologies and procedures developed during April 2002 and May 2004 under the Joint Rapid Airfield Construction (JRAC) Program. The demonstration took place at Sicily Landing Zone (LZ) at Fort Bragg, NC, in July of 2004. The objective of the exercise was to demonstrate the procedures and technologies developed under the JRAC Program by rapidly building two parking aprons capable of supporting C-130 transport aircraft taxiing and parking operations. The exercise was conducted under continuous 24-hr operations to simulate a real-world rapid construction environment. Apron 1 (north apron) was constructed using two technologies, one-half being ACE™ Matting and the other half being a cement-polymer stabilized soil surface. Apron 2 (south apron) was constructed solely of a fiber-cement-stabilized soil system. Both aprons were treated with a polymer emulsion surface application to form a sealed surface against abrasion and water infiltration. The entire construction of both aprons required 76 hr, with Apron 1 finished in 48 hr. The construction of Apron 1 was validated by operation of a C-130 aircraft approximately 31 hr after completion with success and high praises from the aircraft flight crew on the stability and surface of the apron, as well as its dust-abating characteristics.

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Behnood, Ali, and Jan Olek. Development of Subgrade Stabilization and Slab Undersealing Solutions for PCC Pavements Restoration and Repairs. Purdue University, 2020. http://dx.doi.org/10.5703/1288284317128.

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The loss of functionality and the development of distress in concrete pavements is often attributable to the poor subbase and subgrade conditions and/or loss of support due to the development of the voids underneath the slab. Subgrade soil stabilization can be used as an effective approach to restore the functionality of the subgrades in patching projects. This research had two main objectives: (1) identifying the best practices for soil stabilization of the existing subgrade during pavement patching operations and (2) identifying and developing new, modified grouting materials for slab stabilization and undersealing. Various stabilization scenarios were tested and showed improved performance of the subgrade layer. The use of geotextile along with aggregate course was found to significantly reduce the settlement. Non-removable flowable fill was also found to significantly reduce the subgrade settlement. Cement-treated aggregate and lean concrete provided the best performance, as they prevented formation of any noticeable settlement in the underlying subgrade.

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