Premium Essay

Sieve an

In:

Submitted By veedarp
Words 1611
Pages 7
Sieve Analysis of Aggregates
SIEVE ANALYSIS
Sieve analysis helps to determine the particle size distribution of the coarse and fine aggregates. This is done by sieving the aggregates as per IS: 2386 (Part I) – 1963. In this we use different sieves as standardized by the IS code and then pass aggregates through them and thus collect different sized particles left over different sieves.
The apparatus used are -
i) A set of IS Sieves of sizes – 80mm, 63mm, 50mm, 40mm,31.5mm, 25mm, 20mm,
16mm, 12.5mm, 10mm, 6.3mm,4.75mm, 3.35mm, 2.36mm, 1.18mm, 600µm, 300µm,
150µm and 75µm. ii) Balance or scale with an accuracy to measure 0.1 percent of the weight of the test sample. The weight of sample available should not be less than the weight given below:-
Maximum size present in substantial proportions (mm)
Minimum weight of sample despatched for testing (kg)
63 100
50 100
40 50
25 50
20 25
16 25
12.5 12
10 6
6.3 3
The sample for sieving should be prepared from the larger sample either by quartering or by means of a sample divider.
Procedure to determine particle size distribution of Aggregates. i) The test sample is dried to a constant weight at a temperature of 110 + 5oC and weighed. ii) The sample is sieved by using a set of IS Sieves. iii) On completion of sieving, the material on each sieve is weighed. iv) Cumulative weight passing through each sieve is calculated as a percentage of the total sample weight.
v) Fineness modulus is obtained by adding cumulative percentage of aggregates retained on each sieve and dividing the sum by 100.
Reporting of Results
The results should be calculated and reported as:
i) the cumulative percentage by weight of the total sample ii) the percentage by weight of the total sample passing through one sieve and retained on the next smaller sieve, to the nearest 0.1

Similar Documents

Free Essay

Sifting “It Sifts from Leaden Sieves”

...Fernando Pratagy Cavalheiro Dr. Tilly English 102-B59 21 February 2016 Sifting “It Sifts from Leaden Sieves” Thesis: A good example of themed poem is “It Sifts from Leaden Sieves”, written by Emily Dickinson, which has a theme hidden in many metaphors. In this poem, the theme is not explicit and is intertwined with several other minor ideas. I. The figurative language is strongly present in the “It Sifts from Leaden Sieves” poem, and it represents the strongest particularity. A. The poem is filled with metaphor, as most of the descriptions or nouns are this figurative language. 1. The theme of this work, which is snow, is only represented by metaphors, and is never mentioned directly. 2. The metaphors are present throughout the body of the poem, and can be found in every stanza. B. The metaphors point to some other topics related to the supposed narrator’s point of view in a very indirect way. 1. The poem can have multiple meanings for the reader depending on what the audience is looking for. 2. The double meanings of the metaphors work as a riddle. II. The theme of “It Sifts from Leaden Sieves” is the snow, but it also is ambiguous and can lead to different theme interpretations. A. The stanzas by themselves do not picture snow, but when they are put together in one poem they describe snow accurately. 1. The audience may not realize the theme is snow after reading the first time. 2. The snow is described by its effects or by comparison of its similarities with...

Words: 1161 - Pages: 5

Free Essay

Corn Flakes Machine Working Principle and Maintenance

...that you should adjust the center distance or change gear and roller. 4. Regularly clean the cloth deduster, keeping no clock and leakage. If it is blocked, put it under the sun or knock with canes instead of washing with water. 5. Clean dust in each equipment and and pipe, making the pipe unblocked. Repair the leakage. 6. Adjust tightness of conveying belt and change the damaged. If they are not used for a long time, loosen all the belts and keep ventilated and dry, preventing rust. 7. Check and maintain safety facilities, guaranteeing secure operation. 8. Check all the joints and sealed parts, repair if looseness and leakage happen. 9. Clean the vibrating sifter with brush. Knock and vibration are forbidden. Repair and change the sieve cover if it is damaged. 10. Establish a system to maintain the corn flakes machine regularly and make an detailed technical record. Corn flakes are a kind of new fast food. It is easily carried and has long storage time. It can also be eaten directly. Corn flakes can be mixed with cold milk or acidophilus milk together for breakfast. Corn flakes machine has high...

Words: 398 - Pages: 2

Free Essay

Report on Construction Materials

...Heavy Duty Solution Balance, model 1119, property of Bluefield State College. 2. Common sieves: 1 – ½”, 1”, ¾”, #4, #8, including the pan and lid. 3. Peerless Stove and Mfg. Co. oven, #2324DS (Solitest model L-90), property of Bluefield State College. 4. Common gravel aggregate. 5. Common flask. 6. “Bath Scale”, BSC # 18589. Method Sieve Analysis: This lab exercise determined the size of coarse aggregate as it passed through the given sieves resulting in a percent that passed though, and a percent that was isolated on the sieves. Gravel coarse aggregate was obtained and weighed using the Ohaus HD Solution Balance and approximately 1 kg of the gravel aggregate was measured. Sieves were obtained then stacked according to sieve size, from largest screen openings to finest, with the pan on the bottom. The 1kg of coarse aggregate was then poured over the top sieve and the lid was placed on top. The stack of sieves was then shaken by hand to sift the aggregate over the layers of sieves. The lid was removed and the coarse aggregate on each sieve was weighed and the weight was recorded on the Coarse Aggregate Lab. Data Sheet. #200 Wash Test This lab exercise consisted of weighing the coarse aggregate and then washing it though a #200 sieve to determine how coarse of an aggregate could be obtained by determining how much would pass through a #200 sieve. Approximately 1 kg of oven-dried coarse aggregate was weighed and recorded on the Coarse...

Words: 817 - Pages: 4

Free Essay

Nectar in a Sieve

...English Honors Assignment English 2 • ISBN-13: 9780451531728 ISBN: 0451531728 The life of a simple peasant woman in a primitive village in India is told as her entire life becomes a gallant, persistent battle to care for those she loves. Through the eyes of Rukmani, a peasant woman from a small village in India, Nectar in a Sieve explores painful and disturbing aspects of poverty and a village's transformation from agriculture to industry. Rukmani's strong and loving marriage and her devotion to her children provide hope and dignity in the midst of such deplorable conditions. Additional insights into pain and suffering are presented in conversations between Rukmani and Kenny, a British doctor who lives in the village. A study guide will be provided. You will be required to complete portions of study guide activities and questions in addition to submitting an essay. This essay assignment is asking for your personal reflections based on the novel Nectar in a Sieve. You must cite a minimum of 3 outside sources to gain understanding of the story’s themes and historical context, as well as, to provide support for your ideas and positions. Essay Questions (answer one or two) 1. How does Ruku’s experience as a daughter, wife and mother inform her relationship with her daughter Ira? 2. How does the arrival of the tannery affect Ruku and the rest of the village? 3. Discuss the relationship between Ruku and Kunthi. What motivates Kunthi to behave...

Words: 327 - Pages: 2

Free Essay

Nectar in a Sieve

...In the novel, Nectar in a Sieve, by Karmala Markandya, Ruku tells the story of her life. For most of Ruku’s married life, she is at the mercy of immediate survival needs since she has to react to forces that she cannot control. In the city, Ruku’s survival needs are met, so even when she faces the forces she can’t control, she has more options to choose from. The hut that Ruku lives in is made of weak material and monsoons often will cause several small patches that show wear. After a monsoon hits the village, Ruku would just patch up the house again with the same weak material that wore off. "It had stood up well to the sun and wind, but after the monsoon rains several small patches showed wear and it was well to get things done in good time. Nathan cut fronds from the coconut palm that grew by our hut and dried them for me, together we twisted the fibre and bound the palms, shaping them to the roof."(Markandaya 17) Monsoons bring much devastation to Ruku. Her house keeps on falling apart. Ruku does very little to improve the house and doesn’t plan to improve the condition of the house. Part of the reason for Ruku to do so is because she doesn’t know when the next monsoon is going to hit the village. After a huge monsoon hits the village, the rice that Ruku and Nathan were growing on their land were destroyed, which seriously limits the amount of food Ruku has, which forces her to think about how to best use the food in the long term. This limitation on food forces Ruku to...

Words: 1142 - Pages: 5

Premium Essay

Hydrometer Particle Size Analysis

...- Hydrometer CEE340-340L Engineering Geology and Lab Prepared for: Instructor: Kyungan (Karen) Min, Ph.D, P.E. Teaching Assistant: Casey Janisch Prepared by: Abdelrahman Mohsen Submitted On: 10/28/2014 Introduction: The particle size analysis is widely used in classification of soils. The data obtained from particle size distribution curves is used in the design of filters for dams and to determine the suitability of soil for road construction and air fields. Hydrometer test is used to determine what type of clay is predominant in a given soil to be later used by Civil Engineers in construction. Objective: To determine the particle-size distribution of a given soil sample for the fraction that is finer than No. 200 sieve size (0.075 mm). The lower limit of the particle-size determined by this procedure is about 0.001 mm. In hydrometer analysis, a soil specimen is dispersed in water. In a dispersed state in the water, the soil particles will settle at different velocities over time. The hydrometer will measure the specific gravity of the soil-water suspension. Hydrometer readings will be taken at specific time intervals to measure the percentage of soil still in suspension at time t. From this data the percentage of soil by weight finer and the diameters (D) of the soil particles at their respective time readings can be calculated. A graph of the diameter (D) vs. percent finer can be plotted to develop a particle-size distribution curve. Apparatus and...

Words: 1166 - Pages: 5

Premium Essay

Essay On Sieve Analysis

...Figure 4.1: Sieve Analysis • Fine To determine the grain size distribution of material passing the 75m sieve the hydrometer method is commonly used. The soil is mixed with water and a dispersing agent, stirred vigorously, and then allowed to settle to the bottom of a measuring cylinder. As the soil particles settle out of suspension, the specific gravity of the mixture reduces. An hydrometer is used to record the variation of specific gravity with time, Figure 4.2. By making use of Stoke’s Law, which relates the terminal velocity of a free falling sphere to its diameter, the test data is reduced to provide particle diameters and the % by weight of the sample finer than a particular particle size. Figure 4.2: Sedimentation Analysis The...

Words: 1056 - Pages: 5

Free Essay

Eratosthenes, the Most Knowledgeable Man in the World

...Eratosthenes, the Most Knowledgeable Man in the World Eratosthenes was born in 276 B.C. in Cyrene, Libya. He has been known by many names including Philologos (the friend of learning), Pentathos by his friends because of his varied accomplishments and Beta because he was the second most knowledgeable in all branches of learning but never the first ("NNDB tracking the entire world"). From his earliest childhood, he was a great thinker. He loved school and he loved learning. He was a student who could not get enough information. He was always asking questions in an attempt to quench his thirst for knowledge. Instead of becoming satiated with what he learned in the gymnasium, which is what school was called, the knowledge that he derived just drove him further into his studies. His parents and instructors realized that they had a unique individual who was capable of doing great things. When Eratosthenes was young, he was called to attend school away from his home. He had instruction from brilliant men like Callimachus of Alexandria, the Stoic Ariston, and the Academic Arcesilaus of Athens. Eratosthenes tried the patience of these men dearly. They wanted him to learn specific lessons but Erasthones’ mind was always running from one point to another. He would have the answer and then ask even more questions. Soon he had learned all that he could from his teachers (Lasky, and Hawkes 15). In today’s classrooms, many students like this would be treated as having ADD or ADHD instead...

Words: 1425 - Pages: 6

Free Essay

Nectar in a Sieve Questions

...Nectar in a Sieve 1) Describe how to title is appropriate for the novel. - Nectar in a Sieve is an appropriate title for the book. A sieve is a strainer used to filter materials and liquids. In America, we most commonly use sieves (strainers) for spaghetti. If you put nectar in a sieve, there isn’t much of a point due to the fact that all of the nectar will pass through unchanged. The title of this book is symbolic, with nectar representing goodness and kindness, and the sieve representing the world. When you put nectar (goodness) in a sieve (the world) it will only last a short time before disappearing without a trace. In other words, enjoy what you have while it lasts, do not try to save what is in the moment. 2) Why might the author have chosen to have Ruku tell her story in flashback form? Is Ruku a reliable narrator? - The author might have chosen to have Ruku tell her story in flashback form because this way, Ruku can foreshadow and add thoughts about the events. When a story is told in flashback form, it is easier to focus on the main events and conflicts of the story rather than the minute details. Thoughts and feelings Ruku had after the events in the story occurred can be added in, which helps the reader to understand the plot. The story makes more sense being told after the fact, and makes you think about how things have changed since then. I believe Ruku is a reliable narrator. She was involved in all of the events in the story firsthand. 3) How does...

Words: 1364 - Pages: 6

Free Essay

It Sifts from Leaden Sieves (Essay)

...“It sifts from Leaden Sieves” It sifts from leaden sieves, It powders all the wood. It fills with alabaster wool The wrinkles of the road It makes an even face Of mountain and of a plain- Unbroken forehead from the east Unto the east again It reaches to the fence, It wraps it rail by rail Till it lost in fleeces; It deals celestial veil To stump and stack and stem- A summer’s empty room Acres of joints where harvest were, Recordless, but for them It ruffles wrists of posts As ankles of a queen Then stills its artisans like ghosts, Denying they have been.  Paraphrase The snow falls from the sky through the clouds like flour. It powders all the trees. It fills every cracks of the road with the white. It makes the mountain and the plain becomes flat land in white. As far as we can see is white from east unto the east again. The snow reaches the fence, and wraps it by rail until cannot be seen but white snow. The snow deals the sky layer. Coming noisy and full fill the farm acres of joints where harvest were, recordless but for them. The snows annoy the pole of posts as well turned of queen. Then stills its artisans and disappear in silence, denying they have been make an annoyance. ☺ The Imageries of “It Sifts from Leaden Sieves” There are some imageries used in this poem, but, personification is the major imagery used by the writer. It can be found in these sentences: 1. It sifts from leaden sieves, 2. It powders all the wood. 3. It...

Words: 443 - Pages: 2

Free Essay

Buying Rice Vibrating Cleaning Sieve from China

...Buying Rice Vibrating Cleaning Sieve from China TQLZ series Rice Vibrating Cleaning Sieve is suitable for cleaning raw grain for grain processing plant and grain storage. The Rice Vibrating Cleaning Sieve of different specification can separate large, small and light impurities from wheat, paddy ,corn and oil bearing materials. Rice Vibrating Cleaning Sieve is designed with doubledecked sieve, and good seal. It has much better effects especially for big impurities contained in grain. It is also used for granule separation in food and chemical industry. The Rice Vibrating Cleaning Sieve is driven by double vibratory motors , which enables the airtight sieve to keep a back-and-forth track of movement with different angles and amplitude . It can be used in the cleaning stages for grain warehouse , mills ,feed-grain process factory and oil factory to remove impurity and barnyard grass from paddy , wheat , corn and sunflower seeds , in addition , it can also be used in the grading of intermediary and final rice products . We can supply you with reasonable and competitive price and good quality TQLZ Series Rice Vibrating Cleaning Sieve. If you are interested in any of products, please contact us for more information. TQLZ series Rice Vibrating Cleaning Sieve is suitable for cleaning raw grain for grain processing plant and grain storage. The Rice Vibrating Cleaning Sieve of different specification...

Words: 588 - Pages: 3

Free Essay

Corn Cleaning Machine Energy Cost Analyzation

...CORN CLEANING MACHINE works like this: The materials go into the sieve for big impurities from work bin which is baffled to uniformly scatter the materials on the sieve.The sieve vibrates to separate the big impurities from the materials .The big impurities are discharged from the outlet. Corns,mediate and small impurities fall onto another sieve through holes. The small and flat corn vibrates with rubber ball to fall onto bottom plate through the holes and goes out from outlet.The other materials are graded according to their different gravities from the air suction system.The grains mixed with stones fall on the destoning sieve along the first,second and third grading devices.The destoning sieve seriously searches out stones and some impurities heavier than the corns and discharges them outside.The lighter impurities are discharged through air suction tunnel due to the reverse wind generated by destoning adjustment plate.The destoned materials flow to the end of sieve and go to the corn peeling machine. First, the enterprises should be familiar with corn cleaning machine power consumption. A workshop should be divided into several workshop departments or sub-processes. The electric quantity which these sub-processes demand can be decided accurately by the integer power measurement methods. Second, during corn cleaning machine energy consumption, power consumption is also a cooperation method for indicating production operation. Therefore, in corn cleaning machine operation...

Words: 326 - Pages: 2

Premium Essay

Civil Engineering Case Study

...from the field and dry it in the oven. 2. Sieve it through 4.75mm IS sieve. 3. Sieve the sample retained on 4.75mm sieve through the set of course sieves by hand. While sieving should be agitated such that sample rolls in irregular motion over the sieves. 4. Determine the mass of the material retained on each sieve. 5. Similarly, sieve the dried material passing through 4.75mm sieve and retained on 75 micron sieve using set of fine sieve. 6. A minimum 10 minutes of shaking is required if a mechanical shaker is used. 7. Determined the mass of the material retained on each sieve. 8. Calculate the % of soil retained on each sieve on the basis of total mass of sample taken. 9. Determine the % passing through each sieve. 4.1.4 Observation Table: Soil Sample Taken: 1000gm Table 1 IS Sieve Particle Size (mm) Mass Retained in gm % mass Retained Cumulative Retained % Finer 4.75 mm 4.75 38 3.8 3.8 96.2 2.36 mm 2.36 14 1.4 5.2 94.8 1.18 mm 1.18 44 4.4 9.6 90.4 600 µ 0.6 100 10 19.6 80.4 300 µ 0.3 387 38.7 58.3 41.7 212 µ 0.212 230 23 81.3 18.7 150 µ 0.15 97 9.7 91 9 90 µ 0.9 68 6.8 97.8...

Words: 1262 - Pages: 6

Free Essay

Plats

...Plant Anatomy = the study of plant cell and tissue structure Plant cell structure “Cell” - originally coined by Robert Hooke, in 1600’s. Cell theory: 1) All life made of cells 2) Cells arise from pre-existing cells 3) Cells units of metabolism 4) Cells contain complete DNA, hereditary substance. Cell structure Ergastic substances = by-products of metabolism amyloplasts - starch grains = polymer of alpha-glucose 2 forms of glucose Ergastic substances chromoplasts - pigmented bodies, composed of carotenoids (e.g., carotene); cause red/orange coloration. carotene when hydrolysed, yields two vitamin A molecules: carotene ---> vitamin A + vitamin A function in plants is pigmentation, however carotene + 2 H2O 2 vitamin A Ergastic substances raphides druse crystals - calcium oxalate (e.g., raphides/druses) or silica - waste/metabolic products or protective (deter herbivory) Ergastic substances aleurone grains - protein (storage) tannins - phenol derivatives (deter herbivory, deter infection) fats, oils, waxes - tri-/di-glyerides (storage, secretion) Cell structure Cell wall Primary (1˚) cell wall Formed during growth/expansion of cells Made up mainly of cellulose = polymer of beta-glucose units Plasmodesmata Holes in 1˚ cell wall, allow for cell to cell communication cell wall: cellulosic plasmodesmata cellulose: beta form of glucose Cellulosic cell wall made of cellulose microfibrils Cell structure Cell wall...

Words: 691 - Pages: 3

Free Essay

Plant Tissues

...Plant Tissues A mature vascular plant (any plant other than mosses and liverworts), contains several types of differentiated cells. These are grouped together in tissues. Some tissues contain only one type of cell. Some consist of several. Tissue is a cellular organizational level intermediate between cells and a complete organism. A tissue is an ensemble of similar cells and from the same origin, that together carry out a specific function. These are called tissues because of their identical functioning. Organs are then formed by the functional grouping together of multiple tissues. Examples of tissue in other multicellular organisms are vascular tissue in plants, such as xylem and phloem. Plant tissues are categorized broadly into three tissue systems: the epidermis, the ground tissue, and the vascular tissue. Together they are often referred to as biomass. * Epidermis - Cells forming the outer surface of the leaves and of the young plant body. * Vascular tissue - The primary components of vascular tissue are the xylem and phloem. These transport fluid and nutrients internally. * Ground tissue - Ground tissue is less differentiated than other tissues. Ground tissue manufactures nutrients by photosynthesis and stores reserve nutrients. Meristematic The main function of meristematic tissue is mitosis. The cells are small, thin-walled, with no central vacuole and no specialized features. Meristematic tissue is located in * the apical meristems at the growing...

Words: 981 - Pages: 4