pdf.72 iusSelect the correct answer for the following multiple-choice questions:1. The very light asphalt application that is applied between the binder course and the surfacecourse of a flexible pavement is called:a Tack coatb. Prime coatc. Seal coatd. Surface coursee Binder course2. The application of a low-viscosity outback asphalt between the granular base and the asphalllayer of a flexible pavement is called:a Tack coatCb. Prime coatc. Seal coatd. Surface coursee. Binder course3. Granular materials used for pavement design are defined as those containing:a 35% or less material passing No. 200 sieveb. More than 35% material passing No. 200 sievec. 50% or less material passing No. 200 sieved. More than 50% material passing No. 200 sievee 35% or less material passing No. 4 sieve4. One of the following statements is a valid statement about the two asphalt binders: AC-30 andAC-10:a. AC-30 has higher penetration than AC-10b. AC-30 has a higher viscosity than AC-10c. AC-30 has a lower high-performance grade (PG) than AC-10d. AC-30 has equal viscosity as AC-10e. None of the above5. The definition "one standard sieve size larger than the nominal maximum aggregate size" refersto:a. Restricted zoneb. Critical sieve sizec. Maximum aggregate size (MAS)d. Nominal maximum aggregate size (NMAS)e. Control sieve size1707-0707 -dm6. The asphalt binder volume minus the volume of the voids filled with asphalt represents thevolume of the following phase in the asphalt mixture:a. The effective asphalt binderb. The bulk aggregatesc. The voids in the asphalt mixtured. The absorbed asphalt binderThe voids in the aggregateالملف: متوسط )۹۸۱ KB(المزیدمشاركة...

The given questions relate to Highway Materials and construction. The explanations for the first 3…

1. The very light asphalt application that is applied between the binder course and the surface course of a flexible pavement is called: a Tack coat b. Prime coat e. Seal coat d. Surface course e Binder course 2. The application of a low-viscosity outback asphalt between the granular base and the asphalt layer of a flexible pavement is called: a Tack coat Ch. Prime coat c. Seal coat d. Surface course e. Binder course 3. Granular materials used for pavement design are defined as those containing: a 35% or less material passing No. 200 sieve b. More than 35% material passing No. 200 sieve c. 50% or less material passing No. 200 sieve d. More than 50% material passing No. 200 sieve e 35% or less material passing No. 4 sieve

1. The very light asphalt application that is applied between the binder course and the surface course of a flexible pavement is called: a Tack coat b. Prime coat e. Seal coat d. Surface course e Binder course 2. The application of a low-viscosity outback asphalt between the granular base and the asphalt layer of a flexible pavement is called: a Tack coat Ch. Prime coat c. Seal coat d. Surface course e. Binder course 3. Granular materials used for pavement design are defined as those containing: a 35% or less material passing No. 200 sieve b. More than 35% material passing No. 200 sieve c. 50% or less material passing No. 200 sieve d. More than 50% material passing No. 200 sieve e 35% or less material passing No. 4 sieve

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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The Roman design for their primary U.K. roads generally consisted of layers. 2 3 5 It appears that the first tar macadam pavement was placed in UK France USA Russia coat is to bind the granular base to the asphalt layer. seal prime tack all of the above Normally, a flexible pavement contains: surface layer+base layer surface layer+subgrade layer surface layer+base layer+subgrade layer base layer+subgrade layer The joint spacings of the jointed plain concrete pavement are between O no joint is needed in the JPCP. 300-700 ft 30-100 ft 15-30 ft
Chemical WMA additives are added to asphalt binder to improve the ability of asphalt binder to coat the aggregate particles because they contain foaming agents. * True False
HIGHWAY ENGINEERINGAn asphaltic concrete layer is compacted to density 2.350 gm/cm3. The asphalt (Gs = 1.03) content is 6 % by weight of total mix, bulk GA of combined aggregate is 2.650, and the absorbed asphalt by weight of aggregate is 1%. Determine % air voids in total mix (V.T.M), voids in mineral aggregate (V.M.A), and voids filled with asphalt (V.F.A).
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if the absorbed asphalt by aggregate =0.25%, and effective asphalt =5.75%. the total asphalt content will be * O 5.5% 6.25% 6% 5.25%
It is required to use RAP materials for the reconstruction of wearing course in the two directions of a multilane highway of 4 km length. Each direction has 2 lanes with a lane width of 3.6m. The measured density of the manufactured mixture is 2.350 g/cm3. The thickness of the wearing course is 4 cm. The binder replacement in the asphalt mixture is 25%, RAP binder content is 4%, and RAP content is 30%. The specific gravity of the RAP The volume of the required asphalt asphalt binder is 1.03, the measured mixture containing RAP is * maximum theoretical specific gravity of A 576 m3 the RAP is 2.545, and the asphalt absorption is 1.2 percent. Choose the D none of the above correct answer for the following B 1152 m3 questions: C 2304 m3 The design binder content of the asphalt mixture is * C 4.2% B 5.0% D 4.8% A 5.25%
17. In the Asphalt Institute flexible pavement design approach, Where are the critical stress and strain locations checked?a. Top of the asphalt concrete layerb. Middle of the asphalt concrete layerc. Bottom of the asphalt concrete layerd. Bottom of the asphalt concrete layer and top of the subgrade
Q. 3 a) Distinguish clearly between hot-mix asphalt and warm-mix asphalt. Why is the latter set to become the mix of the future in asphalt pavement works? b) Explain why asphalt concrete samples from the hot-mix plant are taken for compaction in the laboratory during asphalt overlay construction. c) The following data was taken from a laboratory work sheet on the design of asphalt concrete by the Superpave procedure for a selected aggregate structure: Trial Mix 1 %Gmm@Ndegn=96%, Qam=2470kg/m Trial Mix 2 P.=5.0%, Gmb@Nasgn=2.305 Based on the data, determine the following: i. P, of Mix 1 11. VMA of Mix 1 111. Gmm of Mix 2 Take Ga =2.65, G=2.69, for the aggregates and G,=1.02 for the bitumen used.
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Highway engineering civil engineering Question number (47)