Place the soil specimen in the large tray and break up the soil until it appears that it will pass through the #4 sieve. Check for $ enclosed . • Each whole unit (1.0) is a … The moist soil was poured into the mold in three equal layers. A soil compaction test begins with samples. Soil test report broken into four sections with recommendations for planting tall fescue, planting orchardgrass, and renovating pasture with legumes. The safest thing to do is to talk with your local building inspector and see if the faxed copy is sufficient for his inspection. In the Standard Proctor test, the soil sample should be mixed with water and placed in the standard mould provided in 3 approximately equal layers. Proctor Compaction Procedure • Soil is air dried, pulverized & passed through 4.75micron sieve. the test site is being prepared for testing. City, State, Zip . W opt from the lab=19.54% and ϒd max from lab =106.51 Ib/ft3 as shown from the graph. Divide 1 of the test specimens prepared as outlined in Section 2D into 5 approximately equal portions by either weight or volume measurement and store in separate ¼ gal moisture-sealed containers. The mass of moisture cans + soil samples (M5) was obtained in the next day. The weight of the proctor mold + base plate + compacted moist soil in the mold (W2) was first increase with increase in the moisture content then decreases. The difference between observed maximum dry unit weight ϒd max (Ib/ft3) and estimated maximum dry unit weight ϒd max (Ib/ft3) is equal to (114.5 Ib/ft3-106.51 Ib/ft3 =7.99 Ib/ft3). A more detailed explanation of the three-phase nature of soils is provided in Soil as a three-phase System. After excavation a field technician will collect soil samples. Maximum Wet Density. Compaction of soil is an important process which helps in achieving various physical properties required for proper soil behavior under loading. Sample for California Test 216. Weigh in a tared scoop, and place loose soil in the assembled mold and spread into • The water content of each sample is adjust by adding water. Enough water was … ND D 2167, “Density and Unit Weight of Soil in Place by the Rubber Balloon Method,” or ND T 191, “Density of Soil In-Place by the Sand Cone Method” 1 density test for each three miles of roadway, or a minimum of 1 test per 200,000 C.Y. The mechanical process of densification through reduction of air voids in the soil mass is called compaction. Compaction of soil is the optimal moisture content at which a given soil type becomes most dense and achieve its … 1 compaction curve for each three miles of roadway, or a minimum of 1 test per 200,000 C.Y. Remove the soil from the mold, using a mechanical extruder, and take soil moisture content samples from the top and bottom of the specimen. The first section is composed of the information you filled out when you sent in the soil sample and forms -- … Weight of mold and base plate + moist soil, W2 (Ib), Dry unit Weight ϒd (Ibft3) = ϒ/ {1+W (%)/100}, Your choice of 12-point Arial or Times New Roman font, Any citation style (APA, MLA, Chicago/Turabian, Harvard). The first phase of the review covered the soil classification and compaction tests (the Phase I tests) and was published in GEO Report … Soil Location: County . The sample is ready for test when, after thorough mixing, a handful of soil squeezed tightly in the palm will barely hold together when pinched between the fingers. The reagent is then added and the vessel is sealed and shaken to mix the reagent with the sample. The Texas A&M AgriLife Extension Service Soil, Water and Forage Testing Laboratory is housed in the Department of Soil and Crop Sciences at Texas A&M University. The most prominent by far is soil density. LAWN, GARDEN AND LANDSCAPE . Please provide a name . • The pH scales ranges from 0 to 14, where 7 is neutral, below 7 is acidic, and above 7 is alkaline or basic. Compacted soil cylinder was then extruded from the mold using a Jack. I. The test is repeated several times, with the moisture level of the soil being adjusted to achieve a range of values. Over the next 34 years, irrigation water testing, plant and forage analysis, and other clientele requested analyses have been added. In the construction of engineering structures, loose soils must be compacted to increase their unit weights. The MDD, for instance, to be used in this calculation is 1.7 Mg/m³, but MDD may vary depending on the type of your soil. More water was then added and mixed to raise the moisture content by approximately 2%. 3) To obtain accurate results, the nuclear device must be seated flush against the compacted layer of soil. Therefore, Degree of compaction, DOC = 96.5 %. Each layer is to be compacted with 25 blows from a 2.5 kg compaction hammer. For example, proper compaction of highway embarkment or earthen dam decreases the probabilities of its settlement by increasing the shear strength of the soil, reduces soil permeability and increases soil density. The moisture content of the soil is the factor used to determine the maximum dry density of the soil sample used, while the … Compaction of soil increases the strength of the soils, which led to an increase in the bearing capacity of foundations constructed over them. 35 lb. 4 sieve Approximately 10 Ib of air-dry soil for which compaction test was carried out was obtained and all the soil lumps were broken. DEAR SHELLEY: The original soil testing certificate may have a faint or embossed seal that might not have been seen by the sending fax machine and/or your fax machine may not have been able to reproduce the image. California Test 216. It is our understanding that individually bagged soil samples containing approximately 25 pounds of soil material (field or wet weight) would provide an adequate amount of soil sample to perform the requested analyses. When subjected to stress, soil particles are redistributed within the soil mass and the void volume decreases resulting in densification. Why test Soil testing accomplishes the following: Measures density of soil for comparing the degree of compaction vs specs review of the soil testing methods with the aim to produce standard methods for testing of soils in Hong Kong for civil engineering purposes. The weight of the proctor mold + base plate + compacted moist soil in the mold (W2) was the determined. This preview shows page 1 - 4 out of 9 pages. Check the “crop” being grown under client’s name. Project site in accordance with California Test 231. CE_341A-102_Field_Compaction_Lab_Report - Oliveros 1 Field Compaction Lab Report Joseph Oliveros CE 341A-102 Date performed Date submitted Sample, Weight of bottle + cone + sand (before use), W, Weight of bottle + cone + sand (after use), W, Weight of sand needed to fill the cone, W, Weight of bottle + cone + sand (before field use), W, Weight of bottle + cone + sand (after field use), W. Moist unit weight of the soil in the field. California Test 231. Geotechnical Lab Report 2 Geotechnical Lab Reports Proctor’s Compaction Test Introduction Soil compaction refers to the process whereby the soil particles of a sample are compacted using mechanical compressive means, so as to increase the density of the soil. Readings are to be noted to plot a graph for different moisture content values. It’s as simple as that! The layers of loose soil were poured into the mold such that each layer after compaction have about one-third volume of the mold and the end of the three-layer compaction, the soil slightly extend above the top of the rim of the compaction mold. We are the leading essay writing services that provides quality papers for a reasonable price. The Example Soil Test Reports are in exactly the same format as the one you received in the mail from the University of Minnesota Soil Testing Laboratory. Level an area to place the device, either with a shovel or the scraper plate. equivalent test methods should be employed if possible to ensure comparability and validity of the test data. Possible sources of errors include, wrong measures of samples, improper reading and recording of the data, wrong interpretation of graphs and incorrect calibration of instruments used. 1 every 2,000 sq yd and test compaction at every 8 in. Understanding the Soil Test Report Page 2 of 7 Soil Test Results pH The soil’s level of acidity, or pH, affects the availability of nutrients to the crop. The soil tests were run by different procedures, to provide examples from around the U.S. Download. of blows/layer 25 25 56 25 25 56 Note: Volume of 4” diameter mold = 944 cm3 , Volume of 6” diameter mold = 2123 cm3 An experienced field technician will gather samples from several locations to attain representative samples of various soil types that may be on site. Fill the moisture cans with soil and determine the water content. Compaction test of soil is carried out using Proctor’s test to understand compaction characteristics of different soils with change in moisture content. The standard proctor compaction test is used in establishing a relationship between moisture content and dry density for the soil under controlled conditions. If more than one crop is being grown, there will be separate reports for each crop type. The apparatus is shown in Figure 1 below. Moisture can with moist soil was placed in oven to dry into a constant weight. DOC = (1.64/ 1.7) x 100. of thickness. Soils Field Testing Sample Size Required Test Method A Method D One Point 7 lbs 25 lbs Multi Point 35 lbs 125 lbs • Procedures •MethodAorD •T‐99 or T‐180 If soil is damp, dry in air or drying apparatus not exceeding 140 degrees F Break up soil chunks so can be passed thru No. COMPACTION OF TEST SPECIMENS 1. The laboratory began operations in 1946 primary as a soil testing laboratory. Oliveros 5 Conduction of Proctor’s compaction test is based on the assessment of water content and dry density relationship of a soil for a specified compactive effort. The soil was sieved on U.S. No 4 sieve and all minus 4 large material were collected in a large pan. Description of test procedure. The base plate was removed from the mold. Soil consists of solid particles and voids filled with water or/and air. Each layer was compacted uniformly 25 times using a standard proctor hammer before the next layer of loose soil was poured into the mould. Simply post your question and get it answered by professional tutors. It is also an indicator test for the specification of field compaction. Straightedge was used to rim the excess soil above the mold until the top of the compacted soil is even with the top of the mold. 4. Therefore, it is necessary to decrease the void spaces of partially saturated loose soil deposits through compaction of the soil to improve strength, reduce compressibility and conductivity. 3. Enough water was added to minus U.S. No 4 sieve materials and mixed thoroughly to obtain a moisture content up to 4 % to 5 % below the estimated optimum moisture content. The goal of a soil compaction test is to find the maximum practical density of the soil. The top of the mold was removed carefully making sure not to break off compacted soil inside the mold. Soil Testing Laboratory . In Geotechnical Engineering, the soil is a particulate medium contain pore spaces, which may or may not filled with water. The discrepancy between the observed and estimated values can reduced in future by eliminating all possible sources of errors. The standard proctor compaction test was first developed by R.R. Phone . The rest of the compacted soil was broken to U.S. No. SAMPLE REQUIREMENTS FOR SOIL TESTING Test Suitable sample type required Suitable soil types Mass required based on Fine Comments Grained Medium Grained Coarse Grained Classification Tests Water / moisture content D, U, (B) C, S, G 50 g 350 g 4 kg Use of B samples … • … We’ve got thousands of tutors in different areas of study who are willing to help you with any kind of academic assignment, be it a business, nursing, management, or science paper. Place into mould Place the mould assembly on a solid base such as a concrete floor or plinth or a concrete cube. ONE (1) soil sample . The energy (compactive effort) supplied in this test is 595 kJ/m3. MAIL SOIL TEST REPORT TO: OPTIONAL REFERENCE: Name . You’ve found the right paper writing company! Objectives To determine the optimal water content at which the soil sample can reach its maximum dry density in accordance to ASTM D698: 12 Standard Test The initial mass of the air dried soil sample that was used in the experiment was 5.002 kg in which 5% (or 0.25 kg) moisture was added and was used in the first trial.For each of the succeeding trials, 2% (or 0.1 kg) moisture was added. Weights required for the bulk sample will range from about 50lb to 100lb (23kg to 45kg) of the moist sample, depending on the test method specified. Compare pH on bar graph to “Recommended pH” 4. Compaction also increases the stability of the slopes of embankments and reduces the amount of undesirable settlement of structures. The curves that relate moisture content with dry unit weight and zero-air unit weight of the soil was also obtained. On our website, you can order various assignments. Compaction curves should be prepared for all types of soil in the project area, before earthwork commences. 3. The soil was sieved on U.S. No 4 sieve and all minus 4 large material were collected in a large pan. For test sample, use soil passing Sieve No.4 3/8” Sieve ¾” Sieve Sieve No.4 3/8” Sieve ¾” Sieve Mold 4” DIA 4” DIA 6” DIA 4” DIA 4” DIA 6” DIA No. How to Read a Soil Test Report: Step by Step 1. Form a specimen by compacting the prepared soil in the mold in three approximately equal layers. Send this information sheet with . A small sample of the material is prepared, weighed and placed into the vessel. Proctor Compaction Test Procedure A representative bulk field sample is obtained for each type of soil material proposed for use in the earthwork operation. Check the soil pH on the bar graph. When the soil is subjected to external forces, due to the high void ratio, the soil particles will be pushed to fill the voids spaces, which then led to soil deformation. Proctor (1933) for assessing compacted fill and from then it became a universal standard test. 3. The tests were then carried out until at least two successive down readings were obtained. The mechanical stress may be ap… LAB REPORT ON CBR COMPACTION TEST. The weight of the proctor mold + base plate (W1) was the determined. 9.moisture content, W (%) = (M4-M5/M5-M3) *100, Table 2: Data for Zero-air unit weight calculation, Weight of the moist soil=W2-W1 (Ib)=13.006-9.25=3.756 Ib, moist unit Weight ϒ= W2-W1/1/30 (Ibft3) =3.756/1/30=111.68 Ibft3, moisture content, W (%) = (M4-M5/M5-M3) *100= [(101.58-96.05)/ (96.05-60.49)] *100=15.55%, Dry unit Weight ϒd (Ibft3) = ϒ/ {1+W (%)/100} = [112.68/1+(15.55/100)] =97.56 Ibft3, ϒd (theory-max) = ϒzav =ϒw/W (%)/100 +(1/Gs), ϒzav =ϒw/W (%)/100 +(1/Gs) = {62.4/ (10/100+1/2.68)} =131.9 Ib/ft3, Using equation 10.8, W opt= [1.95-0.38]log 600 (PL)=0.894 PL, Using equation 10.10, ϒd max (Ib/ft3) =6.361[ϒd max KN/M3] ≈144.27e-0.0164PL, ϒd max (Ib/ft3) = 144.27e-0.0164*14.1≈114.5 Ib/ft3. Relative compaction test is required at each location structure backfill is placed. Each soil type, or mixture thereof, has different properties and can act in different ways. SOIL ANALYSIS REQUEST SHEET . Interpretations of a number of commonly used soil tests—relating test levels to general fertility categories—are given later in the chapter (see tables 21.3 and 21.4). The mass of the moisture can (M3) was determined. Course Hero is not sponsored or endorsed by any college or university. of Layers 3 3 3 5 5 5 No. The amount of mechanical energy which is applied to the soil mass is the compactive effort. Below is the calculation of the degree of compaction. Compaction of soils is a procedure in which a soil sustains mechanical stress and is densified. How soil Compaction Testing Works. For the test, a sample of soil is packed into a mold and subjected to pressure to force the soil to compact. Have troubles with paper writing? 8 SOIL COMPACTION HANDBOOK Soil density tests To determine if proper soil compaction is achieved for any specific construc-tion application, several methods were developed. • Standard Compaction Test AS 1289-E1.1 Soil is compacted into a mould in 3-5 equal layers, each layer receiving 25 blows of a hammer of standard weight. Our work is 100% original. Relative compaction test site locations Preparation of sample Prepare the soil as described in Section 6.5.2, to provide the single sample of about 6 kg (step 3), and adjust the moisture content to the desired starting value (step 5). 17. Therefore, the standard proctor compaction test is a procedure used to achieve the dry unit weight of a soil which passes sieve #4. Relative Compaction. • Using the proctor mold, soil is place 1/3 rd in height & compact soil in 3 layers for standard and 5 layers for modified. 2. We guarantee it will pass any plagiarism check, Get Your Papers Completed by Expert Writers, Order essays, term papers, research papers, reaction paper, research proposal, capstone project, discussion, projects, case study, speech/presentation, article, article critique, coursework, book report/review, movie review, annotated bibliography, or another assignment without having to worry about its originality – we offer 100% original content written completely from scratch. The difference between observed optimum moisture content W opt and estimated W opt is equal to (19.54%-10.61%=8.93%). Address . We write your essay from scratch, according to the exact specifications of your assignment. 4 sieve by hand and mixed with the leftover moist soil in the pan. Standard proctor compact test was carried out successfully and all the objectives were satisfied. Cost/Sample: Standard Soil Test 1: $6.00: Organic Matter 2: $7.00 (in-state) $10.00 (out-of-state) Nitrate Nitrogen 3: $5.00: Soluble Salt 4: $3.00: Extractable Sulfate Sulfur 5: $5.00: pH Only: $3.00: Pond Bottom 6: $3.00: Shrimp Pond: $3.00: Soilless Mixes 7: $10.00: Bulk Density: $10.00: Mailed Paper Report… The moisture sample from the moist soil extruded was collected using a moisture can and the mass of moisture can+ moist soil (M4) was determined. Approximately 10 Ib of air-dry soil for which compaction test was carried out was obtained and all the soil lumps were broken. Compaction test and the other group to carry out the Modified Proctor Compaction test. 9) A sample of soil is taken in three boxes with lids and weighed.10) They are to be placed in oven for a period of 24 hours and should be weighed again.

Multi Step Form With Vertical Progress Bar, Gordon Ramsay Scallops Salsa Recipe, N52 Gunshot Tune, Carla Jimenez Tv Shows, Best Android Games 2020, Prathyangira Devi Temple, Who Put You On The Planet Tiktok, Dirty Pour With Cells, Petrus Romanus Pdf,