Question 01 (i) What are the advantages and disadvantages of using timber in structural applic (02 (ii) A close coupled roof construction comprises a tie member (100 mm x 38 mm) w of strength class C18 to BS EN 338:2003 functioning under service class 2 cond connected to two rafters by M8 steel bolts (bolt diameter is 8 mm), as shown in F Q1(a). The timber tie is subjected to a long-term tensile load of 3.0 kN and a med term tensile load of 5.0 kN. You may assume the bolt hole is 2 mm larger than the diameter. a. How do you recommend positioning the tie member from the below option Why? (a) (b) (02 marks) b. Calculate the self-weight and the maximum design bending moment in the beam. (03 marks c. Check the suitability of the tie member section for combined tension and bending. Timber tie C18 Strength class 100 mm x 38 mm section Span (L) = 6 m Figure Q1(a) (14 marks The calum swap (b) o cose-seatud (100 and 229 m), is of rength of C13 to BS EN 3382005, and fut une su da 2 sunditions support a churcuperatument compaction of 12 and sclerc anable medium-term compressive set of 23 The inafing applied 13 men accent from the y-ya and 10 mm f the x-xsus as shown as the figure. The szlumn is pinnad at beat ambs, 3.79 mo kuyfe and a futenti sestrins grovided 2.2 m from the buses indretted What are the factors affecting for the buckling failures of columns and how BCS (BS EN 1995-1-1) fans accommodated those factions amo for decage? b. Check whether the column will most the ULS requirements of BCS (8296) 10 unu str www. 7 - N Lateral restraint 100 mm A-A Figure Q1(b) 2.2 m- 23.75 m (319) (Total 34 Marks) seation 02 der the design of a suspended timber floor system in a domestic building in which the at 500 mm centers are simply supported by timber beams on load-bearing brickwork, as s in Figure Q2(a) and Figure Q2(b). The support beams are notched at the location of vall, as shown in Figure Q2(c). in data . Timber joists are spaced at-500 mm Distance between the centrelines of the brickwork wall -4.5 m Thickness of the floor boarding - 20 mm Strength class of timber for joists and tongue and groove boarding and beams-C22 • Imposed loading (long-term) - 3.0 kN/m² ' Exposure condition - Service Class 1

Question 01 (i) What are the advantages and disadvantages of using timber in structural applic (02 (ii) A close coupled roof construction comprises a tie member (100 mm x 38 mm) w of strength class C18 to BS EN 338:2003 functioning under service class 2 cond connected to two rafters by M8 steel bolts (bolt diameter is 8 mm), as shown in F Q1(a). The timber tie is subjected to a long-term tensile load of 3.0 kN and a med term tensile load of 5.0 kN. You may assume the bolt hole is 2 mm larger than the diameter. a. How do you recommend positioning the tie member from the below option Why? (a) (b) (02 marks) b. Calculate the self-weight and the maximum design bending moment in the beam. (03 marks c. Check the suitability of the tie member section for combined tension and bending. Timber tie C18 Strength class 100 mm x 38 mm section Span (L) = 6 m Figure Q1(a) (14 marks The calum swap (b) o cose-seatud (100 and 229 m), is of rength of C13 to BS EN 3382005, and fut une su da 2 sunditions support a churcuperatument compaction of 12 and sclerc anable medium-term compressive set of 23 The inafing applied 13 men accent from the y-ya and 10 mm f the x-xsus as shown as the figure. The szlumn is pinnad at beat ambs, 3.79 mo kuyfe and a futenti sestrins grovided 2.2 m from the buses indretted What are the factors affecting for the buckling failures of columns and how BCS (BS EN 1995-1-1) fans accommodated those factions amo for decage? b. Check whether the column will most the ULS requirements of BCS (8296) 10 unu str www. 7 - N Lateral restraint 100 mm A-A Figure Q1(b) 2.2 m- 23.75 m (319) (Total 34 Marks) seation 02 der the design of a suspended timber floor system in a domestic building in which the at 500 mm centers are simply supported by timber beams on load-bearing brickwork, as s in Figure Q2(a) and Figure Q2(b). The support beams are notched at the location of vall, as shown in Figure Q2(c). in data . Timber joists are spaced at-500 mm Distance between the centrelines of the brickwork wall -4.5 m Thickness of the floor boarding - 20 mm Strength class of timber for joists and tongue and groove boarding and beams-C22 • Imposed loading (long-term) - 3.0 kN/m² ' Exposure condition - Service Class 1

Steel Design (Activate Learning with these NEW titles from Engineering!)

6th Edition

ISBN:9781337094740

Author:Segui, William T.

Publisher:Segui, William T.

Chapter9: Composite Construction

Section: Chapter Questions

Problem 9.8.5P

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