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From page 33... ... 33 A T T A C H M E N T Proposed Test Methods This attachment describes six proposed test methods for measuring properties of CSM: Page 34 Modulus of Rupture for Cementitiously Stabilized Materials Using a Simple Beam with Third-Point Loading 39 Flexural Modulus for Cementitiously Stabilized Materials Using Simple Beam with Third-Point Loading 45 Indirect Tensile Strength for Cementitiously Stabilized Materials 50 Indirect Tensile Modulus for Cementitiously Stabilized Materials 58 Coefficient of Thermal Expansion Test of Cementitiously Stabilized Soils 65 Shear Strength Test of Cementitiously Stabilized Soils These proposed test methods are the suggestions of the NCHRP Project 4-36 research team. These test methods have not been approved by NCHRP or any AASHTO committee nor formally accepted for the AASHTO specifications. Read the entire page →
From page 34... ... 34 Proposed Standard Method of Test for Modulus of Rupture for Cementitiously Stabilized Materials Using a Simple Beam with Third-Point Loading Designation: 1. Read the entire page →
From page 36... ... 36 5.3. Dial Comparator -- Dial comparator, or other suitable device, for measuring the physical dimensions of the specimen to the nearest 1 mm. Read the entire page →
From page 37... ... 37 7.4. Modulus of rupture test shall be performed within 30 min of removal from the moisture room/oven. Read the entire page →
From page 38... ... 38 9.1.8. Defects in specimen; 9.1.9. Read the entire page →
From page 39... ... 39 Proposed Standard Method of Test for Flexural Modulus for Cementitiously Stabilized Materials Using Simple Beam with Third-Point Loading Designation: 1. Read the entire page →
From page 41... ... 41 5.3. Dial Comparator -- Dial comparator, or other suitable device, for measuring the physical dimensions of the specimen to the nearest 1 mm. Read the entire page →
From page 42... ... 42 7.3. Positioning -- Place the beam on the apparatus with respect to its molded position and center it on the lower cylindrical steel supports, which have been spaced. Read the entire page →
From page 43... ... 43 d = average depth of specimen, mm; and h = peak mid-span displacement, mm. Read the entire page →
From page 44... ... 44 12. REFERENCES 12.1 Midgley, L Read the entire page →
From page 45... ... 45 Proposed Standard Method of Test for Indirect Tensile Strength for Cementitiously Stabilized Materials Designation: 1. Read the entire page →
From page 46... ... 46 occurs. This loading induces tensile stresses on the plane containing the applied load and relatively high compressive stresses in the area immediately around the applied load. Read the entire page →
From page 48... ... 48 Record the maximum applied load indicated by the testing machine at failure. Note the type of failure and the appearance of the specimen. Read the entire page →
From page 50... ... 50 Proposed Standard Method of Test for Indirect Tensile Modulus for Cementitiously Stabilized Materials Designation: 1. Read the entire page →
From page 51... ... 51 amplitude of the resultant resilient horizontal strain on the plane containing the applied load. Read the entire page →
From page 52... ... 52 5.5. Dial Comparator -- Dial comparator, or other suitable device, for measuring the physical dimensions of the specimen to the nearest 0.1 mm (Note 1) Read the entire page →
From page 53... ... 53 Figure 1 -- IDT Modulus Test Setup 7.3.1. For granular material, position the specimen using a suitable device that will ensure that they are stable, such as that shown in Figure 2. Read the entire page →
From page 54... ... 54 Drill Press and Specimen Top View of the Aligning Jig. Figure 3 -- Drill Press and Aligning Jig for Fastening LVDT Mounts with Screws 7.4. Read the entire page →
From page 56... ... 56 Table 3 -- Parameters when Bearing Block Width is 12.7 mm Diameter (mm) Gauge Length (mm) Read the entire page →
From page 58... ... 58 Proposed Standard Method of Test for Coefficient of Thermal Expansion Test of Cementitiously Stabilized Soils Designation: 1. Read the entire page →
From page 59... ... 59 3.2. The amplitude of strain cycles during the temperature cycles of the specimen is divided by the amplitude of temperature cycle to determine the COTE value. Read the entire page →
From page 61... ... 61 5.7. Mixing Tools -- Miscellaneous tools such as a mixing pan, spoon, trowel, spatula, etc. Read the entire page →
From page 62... ... 62 plate (Figure 2) on the mold and continue compaction until the top plate touches the mold. Read the entire page →
From page 63... ... 63 Lx = LVDT reading at x age, mm (in.) ; and Li = initial LVDT reading, mm (in.) Read the entire page →
From page 64... ... 64 9.1.8. Length change data, reported as strain, either increase or decrease in linear dimension, to the nearest 10 6 of the length based on the initial measurement at the time of placing the LVDT on the specimen; 9.1.9. Read the entire page →
From page 65... ... 65 Proposed Standard Method of Test for Shear Strength Test of Cementitiously Stabilized Soils Designation: Other Standard Designation: Iowa 406-C-2000 1. Read the entire page →
From page 67... ... 67 (a) Side View Figure 1-Testing Jig Read the entire page →
From page 69... ... 69 (d) Side View Figure 1-Testing Jig (continued) Read the entire page →
From page 70... ... 70 5.8. Containers -- Suitable plastic airtight, moisture-proof containers for sealing and storing specimens after compaction. Read the entire page →

From page 33...

... 33 A T T A C H M E N T Proposed Test Methods This attachment describes six proposed test methods for measuring properties of CSM: Page 34 Modulus of Rupture for Cementitiously Stabilized Materials Using a Simple Beam with Third-Point Loading 39 Flexural Modulus for Cementitiously Stabilized Materials Using Simple Beam with Third-Point Loading 45 Indirect Tensile Strength for Cementitiously Stabilized Materials 50 Indirect Tensile Modulus for Cementitiously Stabilized Materials 58 Coefficient of Thermal Expansion Test of Cementitiously Stabilized Soils 65 Shear Strength Test of Cementitiously Stabilized Soils These proposed test methods are the suggestions of the NCHRP Project 4-36 research team. These test methods have not been approved by NCHRP or any AASHTO committee nor formally accepted for the AASHTO specifications.