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·The proportion of the components significantly influenced the properties of the molding sand and the surface quality of the iron casting The optimal proportion of the components was obtained at mass% of one time recycled molding sand 5 mass% of bentonite and mass% of water This mixture yielded Acknowledgment
·The experimental study permits to promote the following conclusion which should be valid for bentonite kaolinite sand mix proportions 1 Atterberg limits show that small amounts of bentonite and kaolinite present in the mix proportions are able to influence the liquid limit but not the plastic limit 2
·Bentonite 1 and 2 exhibited an SPo of and % respectively with DI water However due to the permeation of fly ash paper mill and sewage sludge leachate solutions it declined to and % respectively for Bentonite 1 Similarly the SPo of Bentonite 2 was observed to be and % in the presence of fly ash
·on bentonite and fly ash with various proportions for dif ferent geotechnical parameters It was recommended that 20% of bentonite and fly ash mixture can be provided as a landfill liner material Basic fly ash remains nonplastic until it is mixed with 20% bentonite The mixture shows a sig nificant improvement in the geotechnical
·Water induced strength deterioration of rock mass is a crucial factor for rock slope instability To better show the degradation process of rock slope water rock interaction we used bentonite
·In the experimental result the viscosity increases with decreasing water/cement ratio and rising proportion of bentonite by weight of cement However the results of the bleeding ratio show the tendency is inversely proportional to the viscosity results
·Sand bentonite mixtures used in the study were prepared by mixing sand and bentonite with bentonite proportion varying from 10 to 50% by dry weight of the mixture The study has been conducted in two phases; in phase one fine sand bentonite and medium sand bentonite mixtures were tested for Atterberg limits to check if there is any difference
·An experimental investigation was carried on sand bentonite mixtures prepared with various proportions of its components The samples were compacted by Standard Proctor procedure in order to simulate the in situ placement method employed for earth embankments and landfills base layers By analysing the results of the compaction tests
·For this bentonite of different proportions was mixed with 60% 70% 80% and 90% sand and the UCS of all the mixes with varying strain rate was determined Three different strain rates 2 mm/min
Precompacted bentonite/sand mixture with proportions of 40/60 on dry mass is a potential candidate material in the construction of multibarrier systems in the French concept for high level radioactive waste disposal conducted by Andra The barrier of sandwill be subjected to a
·As a seepage barrier slurry trench material should have a relatively low coefficient of permeability in the range of 10−7 cm/s and at the same time should be compatible with surrounding material with regard to compressibility Although bentonite sand/soil mixes are used widely there is no specific engineering approach to proportion these mixes that satisfies
Sharma et al [4] have reported an increase in the specific gravity dry density unconfined compression strength UCS and the Young s modulus with an increase in bentonite proportion in
The mix proportion of plastic concrete and its characteristics and application to cut off wall of embankment dam were investigated and the results showed that plastic concrete required an optimal proportion of sand in order to meet the demand for project plastic concrete was characterized by a large strain with plastic failure less sensitivity of elastic modulus to
·Water induced strength deterioration of rock mass is a crucial factor for rock slope instability To better show the degradation process of rock slope water rock interaction we used bentonite as a water sensitive regulator to build a new rock like material that matches the features of water induced strength degradation based on the cement gypsum bonded materials
·The results suggest that a proportion of less than % bentonite is recommended for addition to pig manure compost and examining the additive ratio in a comprehensive waste composting project is a worthwhile direction for future research
·materials the proportions of similar materials are determined mainly by considering the similarities between quartz and natural clay minerals in natural rocks and similar materials The proportioning number is 891; that is fine river sand ac counts for 8/9 of the weight of fine river sand bentonite and gypsum
·proportions of china clay bentonite sand in varying proportions The physical properties of the mix proportions were determined as per BIS specifications IS light and heavy compaction test were conducted on mix proportion akin to standard Proctor and modified Proctor tests In addition reduced standard and
·The utilized bentonite originated from the natural organic bentonite clay of the Al Azraq region in East Jordan The mass specific gravity for particles passing sieve No 200 size mm stood at accompanied by a total gross surface area of 420 m 2 /g and a water absorption rate of 190 To explore mineral characteristics X ray diffraction
To optimize the bentonite steel slag proportion the Na 2 CO 3 content was set to 5% of the total mass of the composite material the aging time was set to 24 h the calcination particle size was set to 1 2 mm the calcination temperature was set to 500 °C and the calcination time was set to 60 min Different composite particles were
·A significant proportion of highways and oil and gas pipelines pass through the peat and muskeg bog wetland Harper and Kershaw 1997; Stark et al 2019 Ca bentonite consists of a smectite mineral group and has unique properties such as a high surface area viscosity
·Table 3 Compositions proportion of bentonite/iron powder mixed samples Full size table The preparation process of iron corrosion products/degraded bentonite for XRD analysis idem for the other
·Chipped bentonite products commonly are used to fill wells and drillholes The chips may be used for both sand and gravel formation wells and bedrock wells Neat cement grout a mixture of cement and water in the proportion of one bag of Portland cement 94 pounds meeting ASTM C 150 Type I or API 10A Class A standard; and 5 gallons to 5
