3. The use of different grade in different climates.
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- Standard Test Method For Penetration of Bituminous test 1. Importance of penetration test.2. Effect of temperature, load and time on penetration values. State otherconditions.3. The use of different grade in different climates.4. What is the meaning of “consistency of bituminous materials”?5. Which value of penetration can be used in construction of roads in Iraq?Softening Point test ASTM D36- 95AASHTOT53- 06 1) If you have two types of bitumen, which they have softening points of 55P ᵒC and 60 ᵒC ; which one is most affected by temperature, why? Explain that.Q1.(b) Does the penetration test value has any impact on other bitumen tests values? If yes , explain.
- Q#2 During excavation processes as a civil engineer what types of precautions should be taken and what are its types .determine the tensile development lengths required using: (a) ACI Metric Equation 25.4.2.3a, assuming Ktr = 0, and (b) ACI Metric Equation 25.4.2.3a and the computed value of Ktr . Use fy = 420 MPa and fc′ = 28 MPa.Outline the practical reasons why field permeability tests to obtain a value for coefficient of permeability might be preferred over the laboratory testing method.
- -Among 30/40 and 80/100 grades which is harder bitumen?-What is the effect of higher test temperature?-What is the effect of higher pouring temperature?Explain the importance of determination of the swelling index ?Q#: Draw a Schematic diagram of the road cross section showing various structural elements/layers. Discuss each layer of materials in terms of compaction requirement. Why do we use high quality materials at the top but the quality decline as we go down in pavement layers? Explain?
- Softening Point test ASTM D36- 95AASHTOT53- 06 1. Importance of softening point test and penetration index.3. Explain the relation between penetration and softening point under the effect of temperature.4. What is the representation of using the balls in the test?5. If you have two types of bitumen, which they have softening points of 55P ᵒC and 60 ᵒC ; which one is most affected by temperature, why? Explain that. please answer this quations for this test1) Define penetration value of the bitumen?2) How the value of penetration is expressed?3) What do you understand by 80/100 bitumen?4) Among 30/40 and 80/100 grades which is harder bitumen?5) What is the effect of higher test temperature?6) What is the effect of higher pouring temperature?7) What is the effect of duration of releasing the penetration needle?8) How does the size of the needle affect the penetration value of the bitumen?9) What is the standard load and time specified for penetration test?RESEARCH ABOUT THE GROUTING - BULK VOID FILLING. AND ITS APPLICATION AND SAMPLES