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Item 203 Lime Stabilized Road Mix Base Course
  • Vaantoote

  • 問題数 27 • 1/14/2025

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    問題一覧

  • 1

    Amount of lime to be added

    3-12%

  • 2

    Grading Test and Plasticity Test (LL, PL, PI) on soil aggregates for every:

    300cu.m

  • 3

    Quality Test (Grading, Plasticity, and Abrasion) on soil aggregate for every:

    1500cu.m

  • 4

    Laboratory Compaction Test and Unconfined Compaction Test on mix for every:

    300cu.m

  • 5

    FDT for every ____ or fraction thereof on base course of 150mm compacted depth

    150m

  • 6

    Thickness determination for every ____ or fraction thereof on base course for every layer of 150mm compacted depth

    150m

  • 7

    Quality Test for every ____ or fraction thereof of Hydrated Lime

    100T

  • 8

    Plasticity Index shall be from ____.

    4-10

  • 9

    The aggregate shall have a mass percent wear not exceeding ____ as determined by AASHTO T96.

    50%

  • 10

    In the CBR Test for Gravelly Soils, the mixture passing ____ shall have a minimum soaked CBR value of ____.

    19mm, 100%

  • 11

    Unconfined Compression Test for Finer Testured Soils Method B shall not be less than ____ when tested in accordance with ASTM D1633.

    2.1 MPa

  • 12

    In Nes Soil-Aggregate, at least ____ shall be allowed for measuring, sampling, and testing for approval of quantity and gradation before windrow is spread for application of hydrated lime.

    1 day

  • 13

    If the surface moisture of the soil aggregate is ____ of the dry aggregate, the soil aggregate shall be turned by blades or disc harrows or otherwise aerated until the moisture content is reduced to ____.

    more than 2%, less than 2%

  • 14

    The soil aggregate shall be spread smoothly and uniformly over ___ of the road or other convinient width of the surface ready for the application of hydrated lime

    1/2

  • 15

    A typical slurry ratio is _____ lime to _____ of water

    1 tonne, 2cu.m

  • 16

    The slurry is distributed by ______ passes over a measured area until the specified percentage (based on lime solids content) is obtained.

    1 or more

  • 17

    Rolling of the surface shall be parallel to the road center line and shall commence at the outer edges of the road, overlapping the shoulders and progress toward the center, overlapping on sucessive passes by ____ of the width of the roller.

    1/2

  • 18

    In rolling, each pass shall terminate at least ____ in advance or to the rear of the end of the preceeding pass

    910mm

  • 19

    The compacted thickness of the road mix lime stabilized base course is:

    150mm

  • 20

    Compaction shall continue until field density of ____ of compacted maximum dry density

    100%

  • 21

    After the lime-stabilized base course has been finished as specified, the surface shall be protected against rapid drying for a period of:

    5 days

  • 22

    Surface shall be protected by covering the completed surface with a _____ layer of earth or sand and maintained in moist condition.

    50mm

  • 23

    Trial section of the stabilized base shall be constructed at least _____ before the actual base construction.

    2 weeks

  • 24

    The contractor will not be permitted to drive heavy equipment over completed portions prior to the end of ____ curing period exceptbpneumatic tired equipment required for constructing adjoining sections.

    5 days

  • 25

    Turning areas on completed portions of the base shall be protected by a layer of stable granular materials of not less than ___ of compacted depth

    50mm

  • 26

    Lime Stablized Road Mix Base Course will be measured by:

    cubic meter

  • 27

    Grading Test and Plasticity Test (LL, PL, PI) on soil aggregates for every:

    300cu.m