AS 2870

1. 1What is the minimum number of boreholes per site in Melbourne
   

   1. A1
   2. B2
   3. C3
   4. D4
2. 2What are the classifications of normal sites

   1. AE, H1, H2, A, M, S
   2. BA, N1, N2, P, Q, R
   3. CA, S, M, H1, H2, E, P
   4. DA, S, M, N1, N2, E
3. 3What is the minimum bearing capacity under a strip or pad footing
   

   1. A100 kpa
   2. B50 kpa
   3. C75 kpa
   4. D150kpa
4. 4What is the minimum bearing capacity under the edge footing of a slab
   

   1. A100 kpa
   2. B75 kpa
   3. C50 kpa
   4. D150 kpa
5. 5What is the minimum bearing capacity under slab beams and panels
   

   1. A50 kpa
   2. B75 kpa
   3. C100 kpa
   4. D150 kpa
6. 6If a housing subdivision show uniform soil conditions can the number of boreholes be reduced?

   1. AYes
   2. BNo
   3. CYes but only with the approval of a civil engineer
   4. DYes but only with the approval of a geologist
7. 7The Characteristic surface movement of a S site are?
   

   1. A0 to ≤ 20
   2. B≤ 40
   3. C≤ 60
   4. D0
8. 8The Characteristic surface movement of an E site are?

   1. A≥ 75
   2. B≤ 75
9. 9If a site is subject to mine or sub subsidence, landslip, collapse activity or coastal erosion what shall it be classified as?

   1. ANo special classification
   2. BA
   3. CP
   4. DE
   5. EH1
   6. FH2
10. 10 If a site contains 0.5m of uncontrolled sand fill what shall it be classified as?

    1. ANo special classification
    2. BA
    3. CS
    4. DH1
    5. EH2
    6. FP

11. 11 If a site contains 0.6m of uncontrolled soil fill what shall it be classified as?
    

    1. ANo special classification
    2. BA
    3. CS
    4. DP
    5. EH1
    6. FH2
12. 12The depth of borehole shall be?

    1. AA minimum of 0.75 the depth of the design suction change for the locality but no less than 1.5m unless rock is encounted
    2. B1.5m deep
    3. CA minimum depth below the surface or below the depth of cutting equal to 0.75 the depth of the design suction change for the locality but no less than 1.5m unless rock is encountered
    4. D1.5m deep or less if rock is encounted
13. 13A -D addition to a soil classification means what?

    1. ADanger
    2. BDeep seated moisture change
    3. CA deeper than required borehole was dug
14. 14Can Soil classification be determined by the inspection of existing footings
    

    1. AYes - but only where the footings of the existing dwelling are less than 10 years old
    2. BYes - but only where the footings of the existing dwelling are greater than 10 years old
    3. CNo
    4. DYes - but only where the footings of the existing dwelling are greater than 10 years old and are founded on a similar soil profile.
    5. EYes - but only when the dwelling is founded on a similar soil profile
15. 154-L8TM is ?
    

    1. A4 by 8mm cross bars @ 300mm spacing
    2. B4 by 8m long bars @ 100mm spacing
    3. C4 by 8mm longitudinal bars @ 100mm spacing
    4. D4 by 8mm longitudinal bars @ 400mm spacing
16. 16SL 92 is what?
    

    1. ASquare mesh 9mm wire @ 200 spacing
    2. BSquare mesh 92mm spacing
17. 17RL1218 is what ?
    

    1. ARectangular mesh - 12mm diameter long wires @ 100mm spacing and 8mm diameter cross wires @ 200mm spacing
    2. BRectangular mesh - 18mm diameter long wires @ 100mm spacing and 12mm cross wires @ 200mm spacing
    3. CRectangular mesh - 21mm diameter long wires @ 100mm spacing and 18mm diameter cross wires @ 200mm spacing
18. 18The minimum cover of reinforcement to unprotected ground is?
    

    1. A50mm
    2. B40mm
    3. C30mm
    4. D20mm
19. 19The minimum cover of reinforcement to external exposure is?
    

    1. A50mm
    2. B40mm
    3. C30mm
    4. D20mm
20. 20The minimum cover of reinforcement to a membrane in contact with the ground is?
    

    1. A50mm
    2. B40mm
    3. C30mm
    4. D20mm
21. 21The minimum cover of reinforcement to an internal surface is?
    

    1. A50mm
    2. B40mm
    3. C30mm
    4. D20mm
22. 22The minimum splice on trench mesh is?
    

    1. A300mm
    2. B500mm
    3. C700mm
    4. D900mm
23. 23The minimum splice on a bar with a diameter up to 12mm is?
    

    1. A300mm
    2. B500mm
    3. C700mm
    4. D900mm
24. 24The minimum splice on a bar with a diameter up to 16mm is?
    

    1. A300mm
    2. B500mm
    3. C700mm
    4. D900mm
25. 25For a class 1 building the minimum height of the slab above finished ground where it is adjoining paved areas sloping away from the building shall be?

    1. A50 mm.
    2. B150 mm.
    3. C100 mm.
26. 26For a class 1 building the minimum height of the slab above finished ground in a sandy well drained site shall be?

    1. A150mm
    2. B100mm
    3. C50mm
27. 27For a class 1 building the minimum height of the slab above finished ground where there is no adjoining paved areas or sandy well drained sites shall be?

    1. A150mm
    2. B100mm
    3. C50mm
28. 28Where a vapor barrier need to be joined, each joint shall be lapped by how much?

    1. A100mm
    2. B200mm
    3. C300mm
    4. D400mm
29. 29Can electric heating cables be embedded in the slab?

    1. ANo
    2. BYes without any increase in thickness or extra reinforcement
    3. CYes and the slab needs to be increased by 25 mm and the mesh upgraded to the next size, for example SL72 shall become SL82
30. 30Can hot water heating pipes be embedded in the slab?

    1. ANo
    2. BYes - without any increase in thickness or reinforcemenet
    3. CYes - and the slab thickness shall be increased by 25mm and and increase in the mesh by one level. For example SL62 shall become SL72
31. 31At re-entrant corners is two strips of 3-L8TM with a minimum length of 2m is an acceptable means of shrinkage control?

    1. AYes
    2. BNo
32. 32At re-entrant corners is one strip of 3-L11TM with a minimum length of 2m is an acceptable means of shrinkage control?

    1. ATrue
    2. BFalse
33. 33Where brittle floor coverings are going to be used over an area greater than 16m2 the smallest reinforcing mesh size shall be?

    1. ASL72
    2. BSL82
    3. CSL92
    4. DSL62
34. 34At a re-entrant corner where an external beam continues as an internal beam the external beam shall be continued in the internal beam by how much?

    1. A500mm
    2. B1m
    3. C1.5m
    4. D2m
35. 35In a strip or pad footing can trench mesh be replaced with reinforcing bar.

    1. AYes - As long as the same number of bars are used and they are of the equivalent size
    2. BNo
    3. CYes - As long as the same number of bars are used and they are of the next size up.
    4. DYes - As long as an engineer design the strip or pad footing
36. 36In a strip or pad footing the reinforcement cover shall be?

    1. A50mm
    2. B40mm
    3. C30mm
    4. D20mm
37. 37In a strip or pad footing the lap of the reinforcement need to be a minimum of?

    1. A300mm
    2. B500mm
    3. C700mm
    4. D900mm
38. 38In a strip or pad footing at a T or L intersection the reinforcement needs to?

    1. AContinue across the full width of the intersection
    2. BContinue across the center of the intersection
    3. CContinue across the first bar of the intersection
39. 39In a strip footing the base shall be:
    1. stepped
    2. horizontal
    3. or at a slope of no more than what?

    1. A1:2
    2. B1:5
    3. C1:10
    4. D1:15
    5. E1:20
40. 40Subsurface drains to remove groundwater need to be as follows:
    

    1. AOn a H or E site any drain within 1.5m needs to be designed by an engineer
    2. BAny drain within 1.5m needs to be be designed by an engineer.
    3. CPlaced anywhere they are needed but not within 1.5m of the building to remove as much water as possible.

Description

Australian Standard 2870 - Slabs and Footings

Author

Andrew Bennett

Language

English

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australian standards

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