#11 # 4 65 5m #11 Unit : cm A cantilever beam is shown above. =280 kgf/cm and f, = 4200 kgf/cm³ . The cover depth is 4 cm. The beam is subjected to a uniform dead load resulting from its self weight and a superimposed dead load w =I tổ'm. Additionally, the beam is subjected to a uniform live load right after installation of the beam w =2 tfm. 20% of the live load is considered sustained load. (a) Calculate the maximum stress of longitudinal tension reinforcement under full service loads(Dead load + live load). (b) Calculate the immediate deflection of the beam at point B caused by the live load and check the code for the case "Floors not supporting or attached to nonstructural 1/2 * 10 (Homework 10) elements likely to be damaged by large deflections." (c) Calculate the sum of the long-term deflection (after five years) due to all sustained loads and the immediate deflection due to live load and check the code for the case "Roof or floor construction supporting or attached to nonstructural elements not likely to be damaged by large deflections." (d) Use the maximum stress of tensile longitudinal reinforcement from (a) to check the spacing of longitudinal tensile reinforcement for crack control of the code.

#11 # 4 65 5m #11 Unit : cm A cantilever beam is shown above. =280 kgf/cm and f, = 4200 kgf/cm³ . The cover depth is 4 cm. The beam is subjected to a uniform dead load resulting from its self weight and a superimposed dead load w =I tổ'm. Additionally, the beam is subjected to a uniform live load right after installation of the beam w =2 tfm. 20% of the live load is considered sustained load. (a) Calculate the maximum stress of longitudinal tension reinforcement under full service loads(Dead load + live load). (b) Calculate the immediate deflection of the beam at point B caused by the live load and check the code for the case "Floors not supporting or attached to nonstructural 1/2 * 10 (Homework 10) elements likely to be damaged by large deflections." (c) Calculate the sum of the long-term deflection (after five years) due to all sustained loads and the immediate deflection due to live load and check the code for the case "Roof or floor construction supporting or attached to nonstructural elements not likely to be damaged by large deflections." (d) Use the maximum stress of tensile longitudinal reinforcement from (a) to check the spacing of longitudinal tensile reinforcement for crack control of the code.

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

6th Edition

ISBN:9781337094740

Author:Segui, William T.

Publisher:Segui, William T.

Chapter10: Plate Girders

Section: Chapter Questions

Problem 10.7.9P

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