Show how various Superpave tests used to characterize the asphalt binder are related to pavement performance.

Q: QUESTION 11 Which one is NOT the benefit of compaction of asphalt concrete pavement? O a. Ensure the…

A: Compaction is the method of reducing the amount of airflow inside an Asphalt mix by reorienting the…

Q: Define the four methods used to grade asphalt binders. Which method is used in your state?

A:

Q: rigid pavement has a wheel load capacity of 59.52 kN. The allowable tensile stress of concrete is…

A: Rigid pavements are made of port land cement concrete slabs that are plotted on a created subbase of…

Q: Briefly describe the interaction that occurs when asphalt and SBS are mixed.

A: Solution: Describe the interaction that occurs when asphalt and SBS are mixed SBS react with asphalt…

Q: As a materials engineer working for a highway department, what standard PG asphalt binder grade…

A: Case 1: Determine the high temperature grade of the pavement which satisfies the condition High…

Q: Comparing Rigid and Flexible Airport Pavement .

A: First we discuss about flexible and rigid Airport pavement difference and then structure for both…

Q: What purpose does the building of the pavement serve? The numerous layers that go into the building…

A: The pavement is a surface that is safe, smooth and durable enough for traffic movement. The main…

Q: Compute the thickness of a pavement if the CBR value of subgrade soil is 7%. The wheel load is 5 MT…

A: P = Wheel load = 5MT = 5000kg p= pressure = 10kg/cm2 CBR = 7% < 12% (ok) As per CBR test,…

Q: Flexible pavements suffer from loss of flexibility with aging and become brittle. Explain how this…

A: One of the prime cause of flexible pavement failure on aging is excessive deformation in subgrade…

Q: Discuss various tests used for the quality of aggregate used in flexible pavements.

A: The various tests used for the quality of aggregate used in Flexible Pavements are: Crushing test…

Q: a. Explain about the role of microtexture and macrotexture on pavement surface. b. Explain what are…

A: Brief concept introduction- Pavement surface- The durable surface material placed down on an area…

Q: What are the different functions of flexible pavement components?

A: The different function of a flexible pavement are: Subgrade Sub-Base course Base Course Prime Coat…

Q: Q2) The following results were obtained from testing a certain asphalt binder: Original Asphalt RTFO…

A: After analyzing the test results, the following conclusions were made,

Q: For road or airfield pavements, what are the effort for control or protection has frequently used?

A: Most protection activities on the airport pavements are typical to all forms of pavement. » Removal…

Q: Answer the question based on the data given; SG bulk of the asphalt, 2.332 Theoretical maximum…

A: We will use formula for air voids.

Q: Explain the Penetration Test of Asphalt Cement in brief and also its significance & use.

A: Solution: The penetration test of bitumen is produced by different viscosity. The penetration test…

Q: What are asphalt mixtures ?, What are the properties of the mixture ?, What are the design of…

A: Asphalt Mixtures :  1. The asphalt mixture is a typically temperature-sensitive material. Its…

Q: It is required to design a collector road pavement in an urban area composed of 3 layers with…

A: Solution- The materials used in the pavement construction imply that this is a flexible pavement.…

Q: the mostly kinds of liquid asphalt used in pavement construction are * O Mc and Rc O Rc O Sc Sc and…

A: Solution:- The mostly kinds of liquid asphalt used in pavement construction are  Medium Curing(MC)…

Q: What binder is used with aggregate to produce quality asphalt pavements?

A: Binders are Essential Component of a Asphalt Concrete in order to hold aggregates Together and…

Q: why is asphalt application ratio is important

A: The asphalt ratio is considered very important for achieving the desired pavement performance by…

Q: Discuss the main uses of asphalt.

A: Asphalt, black or brown petroleum-like material that has a consistency varying from viscous liquid…

Q: why do coal tar pitch and asphalt not compatible? why do we need to avoid these two to contact each…

A: coal tar : tar produced by distilling bituminous coal and used mostly as an industrial fuel, in the…

Q: How can we obtain the best ratio of asphalt?

A: Mix design is a method which is used to determine the best combination of material for optimum…

Q: What are the ingredients of asphalt cutbacks? Name two main uses of asphalt cutbacks.

A: Cutbacks is classified are of 3 types based on the solvent. They are 1. Rapid curing cutbacks  2.…

Q: List three advantages of warm mix asphalt technology.

A: Warm mix asphalt technology is the latest technology which has a great advantage.

Q: What are the components of hot-mix asphalt? What is the function of each component in the mix?

A: The compaction of asphalt binder and graded mineral aggregate  at a great high temperature to form a…

Q: What is the primary function of the pavement structure? Why do we use high quality materials as we…

A: The primary function of the pavement structure is to transfer the vehicle load to the ground.  Load…

Q: nt structure? Why do we use high quality materials as we go from bottom to top of the pavement…

A: The primary function of a pavement is to transmit loads to the sub-base and underlying soil. Modern…

Q: Temperature has a large effect on the asphalt viscosity. On one graph, plot the relationship between…

A: The temperature susceptibility of asphalt means the effect of temperature on asphalt. The effect o…

Q: Which one of the asphalt pavement recycling method is the predominant method? Briefly summarize this…

A: The important methods of recycling  of the asphalt pavement are as follows 1. Surface recycling  2.…

Q: Please explain What pavement distresses that can be caused by having gap graded and dense graded…

A: "The certain evidence of inadequate or unfavorable pavement condition or symptoms of approaching…

Q: The use of asphalt as a binder is closely related to the influence of temperature. Explain the…

A:

Q: Given the information above and below, the Gse for 5% asphalt content is: A.C.= 6.0% A = Dry wt. of…

A:

Q: Q5: Séléct thè córrect ánśwer för the following multiple-choice questions: 1. In circular loading on…

A: Thank you for the question . As per honour code we will answer the first question since exact one…

Q: Make a comparison between Cutback ?Asphalt and Asphalt emulsion

A: This Question comes from Construction material engineering. This question asked about the comparison…

Q: As a materials engineer working for a highway department, what standard PG asphalt binder grade…

A: Given:- Seven day maximum pavement temperature minimum pavement temperature To find:- Filling the…

Q: As a materials engineer working for a highway department, what standard PG asphalt binder grade…

A: The condition that high/low-temperature grade of pavement should satisfy: High temperature Grade…

Q: Define cutback asphalt. Among different types of cutback asphalt which one would you prefer to…

A: The combination of asphalt cement and petroleum solvent is called as cutback asphalt. it has reduce…

Q: 4. Superpave performance grading (PG) considers the conditions under which asphalt is used while…

A:

Q: How sensitive are the critical pavement responses to (a) increased tire pressure, (b) increased…

A: Pavement responses are affected by lot many factors like  increased tire pressure, (b) increased…

Q: How can we improve Moisture Susceptibility of asphalt?

A: Moisture susceptibility of asphalt in other term it is called stripping. Moisture damage the asphalt…

Q: Viscosity of an asphalt binder at 60 °C and 135 *C are 935 P and 193 çSt respectively. What is the…

A: Using the IS73:2013 The viscosity Grade of Asphalt will be:

Q: What will happen to the asphalt mixture if the selected bitumen content is too high or too low…

A: Answer - option d All of the above    The strength, fatigue life, durability, ravelling, rutting,…

Q: xplain the Superpave grading system of asphalt binder.

A: Superpave performance grading (PG) is based on the idea that an HMA asphalt binder’s properties…

Q: How sensitive are the critical pavement responses to (a) increased tire pressure, (b) increased…

A: Transportation engineering is the application of scientific and technological principles to the…

Q: The elastic modulus of mid-range aggregate asphalt pavement is 480 MPa while its subgrade has an…

A: Given: Elastic modulus of pavement: 480 MPa Elastic modulus of subgrade : 55 Mpa To calculate:…

Q: What is the purpose of pavement structure?  Discuss various layers in structure of flexible pavement…

A: Given data  Pavement structure  Various layers Flexible

Q: The thickness of a concrete pavement slab is 20 cm. It has a modulus of elasticity and Poisson's…

A:

Bituminous Materials

The word 'bituminous' in Bituminous materials come from the word bitumen, which is popularly known as 'asphalt' in the United States. Asphalt is a heavier substance that is obtained by the fractional distillation of crude oil, after removing the lighter components such as gasoline and diesel. Asphalts are known to have good adhesive and waterproofing properties. Depending upon the grade needed, asphalt may be refined several times in the fractional distillation column.