- Questions 16 20 Concrete Formwork Design 5 Points Each A Concrete Formwork For An 8 Inch Elevated Concrete Floor Sl 1 (12.3 KiB) Viewed 38 times
- Questions 16 20 Concrete Formwork Design 5 Points Each A Concrete Formwork For An 8 Inch Elevated Concrete Floor Sl 2 (37.39 KiB) Viewed 38 times
- Questions 16 20 Concrete Formwork Design 5 Points Each A Concrete Formwork For An 8 Inch Elevated Concrete Floor Sl 3 (32.62 KiB) Viewed 38 times
Sheathing 20:32 Stringer Shore Cross-section View GIVEN Concrete Unit weight = 160 lb/A Materials Sheathing: Nominal l-inch wood Joist: Nominal 2x4" lumber Stringer: Nominal 4x8"lumber Shores Commercial 5,000-1b Max. Max deflection: 4 =1/180 Allowable stresses for lumbers: Sheathing psi Other [kPa] Members psikPa] F107517412) 1250 (3619) 174 [12001 1801241 405 2792 850 (5861) E 136 x 106 1,40 x 106 19.4% 1013 19.7 x 104 All members are continuous over three or more spans. Weight of the formwork: 10 lb/ft? Joint Shore Stringer Sheathing Plan View 16. Which of the following is the most likely design load on the deck? a) 167 1b/ft b) 157 lb/ft c) 177 lb/ft d) 187 lb/ft? 17. Which of the following is the most likely span length of the sheathing for the maximum allowable deflection? a) 38.9 in b) 39.9 in c) 40.9 in 5
d) 41.9 in. 18. If 28 in. of span length was chosen for the sheathing, which of the following would be the most likely span length of the joist for the maximum allowable deflection? a) 57.1 in. b) 55.1 in. c) 56.1 in. d) 58.1 in. 19. If 32 in. of span length was chosen for the joist, which of the following would be the most- likely span length of the stringer for the maximum allowable deflection? a) 110 in. b) 130 in. c) 150 in. d) 170 in 20. If 32 in. of span length was chosen for the joist, which of the following would be the most- likely crushing pressure on the stringer? a) 198 psi b) 178 psi c) 218 psi d) 238 psi