concrete test #1

concrete test #1
13問 • 2023-08-16
  • David Bobadilla
  • 通報

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    問題一覧

  • 1

    What concrete produces a high heat of hydration:

    III

  • 2

    If using screws or pins to attach a non-load bearing steel stud to a concrete floor, what is the maximum distance from each end of the track for a fastener:

    2”

  • 3

    After approval, what slump concrete for poured foundations does NOT need vibratory consolidation:

    8

  • 4

    What is the minimum distance vertically for preservative treated siding materials and a concrete patio, concrete steps and patio slabs:

    2”

  • 5

    A cedar timber used as a girder resting on a concrete structure must be provided what amount of free space between the ends and sides of the girder and the concrete:

    1/2”

  • 6

    All exterior concrete footings must be placed at what distance below undisturbed ground surface and below the frostline:

    12”

  • 7

    What is the minimum thickness for concrete slabs placed on ground:

    3 1/2”

  • 8

    If a level for the top of a concrete slab is exactly 1 foot above the benchmark what is rod reading at the bottom of the slab, if the slab is 4" thick:

    1.33333

  • 9

    What is the minimum thickness for concrete flooring slab on grade if part of a monolythic pour:

    3 1/2”

  • 10

    A 6 mil polyethylene vapor barrier under a concrete pad must have what minimum edge overlaps:

    6”

  • 11

    Without needing approval, what is the maximum slump for concrete poured foundations material:

    6

  • 12

    At what slope of ground must a stepform be used for placing concrete:

    10%

  • 13

    What is the minimum distance from finished grade to the top of the concrete footing for a wood framed house:

    6”