The number of growth rings in a tree approximately represents: A. diameter of th

Question

The number of growth rings in a tree approximately represents: A. diameter of the tree B. age of the tree C. strength of the tree D, moisture content of the tree E. None of the above Problem 13 (10%) For each of the properties listed below, identify whether the property is relevant for HMAC, wood, and/or masonry design. It is possible to have multiple answers for each property Property Example: Specific Gravity HMAC Wood Masonry (a) Moisture Content (b) Fiber Saturation Point (FSP) (c) Stability & Flow (d) VTM (e) Shrinkage Problem 14(10%) lentify each of the following statements in the table as true or false. Clearly fill in the circle corresponding to ur final answer. T FStatement (a) Sapwood consists of the innermost annular rings around the pith (b) O Microscopic composites can be reinforced with either fibers or particles (c) O O Portland cement is used to stabilize earth blocks. (d) O O Stripping is loss of bond betwen asphailt&aggregate.; e o lo Engineered wood has less embodied energy per unit weight tham teaditioa (e) OO dimensional lumber (of the same species)

Explanation / Answer

12) “B”- age of the tree

13)

a) moisture content??: HMAC, WOOD , MASONRY

b) fiber saturation point: WOOD

c) stability and flow: HMAC

d) VTM: HMAC

e) shrinkage: HMAC, WOOD, MASONRY

14)

a) True

b) True

c) True

d) True

e) False

  

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