— Semantic Scholar extracted view of "Effect of sand fineness modulus on SCC and SCLC properties" by Yousef Nikzad et al The results reveal that the proposed machine learning models achieved adamant accuracy and has elucidated performance in the prediction aspect of SCC Expand 77 [PDF]
Yêu cầu trực tuyến →— Therefore in the production of artificial sand it is necessary to control the stability of fineness modulus and the grading of its particle size does not need to be classified Characteristic 1 the fineness modulus of sand is easy to adjust and can be controlled by people FM = can be achieved in actual production to adjust
Yêu cầu trực tuyến →— In the investigations assessing the impact of the Fineness Modulus FM of manufactured sand on fresh SCC properties an increase in the sand FM from to yielded improved results in slump flow T50 L box and V funnel tests However raising it to resulted in the opposite outcome [41]
Yêu cầu trực tuyến →— However it is important to note that machine made sand still requires a substantial number of natural aggregates while the utilization of desalinated sea sand is not yet fully developed and requires significant energy and freshwater consumption The sea sand exhibits a fineness modulus ranging from to It is characterized by a
Yêu cầu trực tuyến →— According to the national standard all machine made sand and mixed sand that have been treated with soil removal are collectively referred to as artificial sand The specific definition of machine made sand is rock particles with a particle size of less than made by mechanical crushing and screening but does not include soft rock and
— Materials portland cement was selected for all concrete mixtures The desert sand was collected from the Taklamakan desert with an average particle size of mm and fineness
Yêu cầu trực tuyến →— The fineness modulus results shows AS and QD samples are lies under Zone 3 whereas all other sample are lies under zone 2 as per IS 383 2016 The fineness modulus of sand decreases with increase in specific gravity as seen in Fig 4 The specific gravity increases when the aggregate materials presents in the samples was denser with
Yêu cầu trực tuyến →— The gradation of crushed sand can be characterized by the fineness modulus packing void fraction and rock powder content which should respectively be in the range of % and 6 9 % The correlation between the yield shear stress τ 0 of the mortar and its slump flow SF was obtained which can be used to optimize the
Yêu cầu trực tuyến →— Based on these reasons a study was conducted about effect of sand proportion on fineness modulus of combined aggregate workability and compressive strength of concrete 2 Materials and Methods The cement used is Portland cement type I Ordinary Portland Cement The fine aggregate used is river sand from the Progo river
Yêu cầu trực tuyến →Fineness Modulus of Fine Aggregate Fine aggregate sand grading affects consistence and finishability Fineness Modulus FM is an empirical calculation used to support the optimisation of a concrete mix design An example would be that sand with a high FM will have lower voids between the particles In BS EN 12620 Aggregates for Concrete
— ACI does not make any representations with regard to —Fineness modulus —Maximum size and nominal maximum size —Significance of aggregate grading —Permissible variations in grading material such as sand gravel crushed stone blast furnace slag and lightweight aggregates that usually occupies approxi
Yêu cầu trực tuyến →The sand fineness module fine aggregate is an index number describing the mean size of sand particles By doing sieve analysis with normal sieves it is measured The accumulated percentage kept on each sieve is applied and the sum of the fine aggregate is subdivided by 100 To find the fine aggregate fineness modulus we require
Yêu cầu trực tuyến →— suitability Number Fineness Modulus Density and Strength 95 FM = 2 N R² = 0 5 10 15 20 25 30 Fineness Modulus FM Suitability Number SN Fig 4 Fineness modulus and suitability number for uniformly graded sand Table 2 Results of density and angle of
Yêu cầu trực tuyến →Modulus value is a ready index coarseness or fineness of the aggregates The fineness value of sand samples is given in Table 1 From the results it was observed that the sand sample VF and
Yêu cầu trực tuyến →Chúng tôi đánh giá cao phản hồi của bạn! Vui lòng điền vào mẫu dưới đây để chúng tôi có thể điều chỉnh dịch vụ theo nhu cầu cụ thể của bạn.