I need the answer as soon as possible Deterioration of structure of timber due to dry rot. Indicated by surface stripes on scantlings2. Due to dry-spell after heavy rainsis1. Caused by fungi2.Due to dry-spell after heavy rains3. Due to attack to termites- Indicated by surface stripes on scantlingsa) 1 and 2C) 2 and 3(b) 3 and 4(d) 1 and 4

Deterioration of structure of timber due to dry rot is caused By fungi Due to dry spell after…

Answered: Deterioration of structure of timber…

Construction Materials, Methods and Techniques (MindTap Course List)

4th Edition

ISBN:9781305086272

Author:William P. Spence, Eva Kultermann

Publisher:William P. Spence, Eva Kultermann

Chapter18: Wood, Plastics, And Composites

Section: Chapter Questions

Problem 5RQ

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1. A block of wood if placed in water will float with 6" projecting above the water surface and if placed in alcohol (sp. gr. 0.82) will float with 4" projecting above the alcohol surface. Find the sp. gr. of the wood.
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P02: A 4 x 16 (green) DF-L sawn timber beam and a 3 5 x 15 DF glulam beam are considered for use in a structure with an expected moisture content of 10%. Find the expected shrinkage of each member through the depth assuming the initial moisture content is 30% for the sawn lumber and 14% for the glulam.
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a simply supported reinforced concrete beam has a Vf=140KN, determine if the beam can sustain the shear loads without shear reinforcements max aggregate = 25mm fc 3D 30 Мра fy = 400 Mpa Exposure Člass = f2 %3D ot 100 4 400 mm 8-30M
Question 15 One 2 m long wood board graded C24 is cut into two 1 m long boards. Which statement is TRUE? O a. Grading is invalidated after cutting. O b. Both 1 m long boards are class C24. O c. The class is reduced to C16 for the 1 m long boards. Od. The 1 m long boards need to be regraded.
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