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SITUATION. Refer to Fig. SAM 18.029 and Figure RC-4. Beam DEF is supported by spandrel beams at the exterior edges and by a column at E. The torsional resistance of beams ADG and CFl are not sufficient to restrain beam DEF at D and at F. PLAN SECTION Table 406.5 4 Approximate Shears for Non-Prestressed Continuous Beams and One-Way Slabs Location Exterior face of first interior support 1.15 wa/2 Face of all other supports Table 406.5.2 Approximate Moments for Non-Prestressed Continuous Beams and One- Way Slabs Moment Location Condition ML Discontinuous end integral with support wulG/14 End span Positive Discontinuous end unrestrained Wulh/11 Interior spans All Wufh/16 Member built integrally with supporting spandrel beam Wulh/24 Interior face of exterior support Member built integrally with supporting Wufh/16 column Two spans Wulh/9 Exterior face of first interior support More than two spans Wu/10 Negative 1) Face of other All Wul/11 supports (a) Slabs with spans not exceeding 3m. Face of all supports satisfying (a) or (b) (b) Beams where ratio of sum of column stiffnesses to beam stiffness exceeds 8 at each end of span W/12 1 To calculate negative moments, l, shall be the average of the adjacent clear span lengths. Given: For all Beams, b xh = 300 mm x 450 mm For All Columns, Section = 400 mm x 400 mm L1 = 8 m L2 = 7 m S = 2.5 m Dead Load, wu = 6.0 kPa (all weights included) Live Load, wu = 4.6 kPa Which of the following gives the critical negative moment (kN-m) for beam DEF? 172.2 106.0 150.5 97.0

SITUATION. Refer to Fig. SAM 18.029 and Figure RC-4. Beam DEF is supported by spandrel beams at the exterior edges and by a column at E. The torsional resistance of beams ADG and CFl are not sufficient to restrain beam DEF at D and at F. PLAN SECTION Table 406.5 4 Approximate Shears for Non-Prestressed Continuous Beams and One-Way Slabs Location Exterior face of first interior support 1.15 wa/2 Face of all other supports Table 406.5.2 Approximate Moments for Non-Prestressed Continuous Beams and One- Way Slabs Moment Location Condition ML Discontinuous end integral with support wulG/14 End span Positive Discontinuous end unrestrained Wulh/11 Interior spans All Wufh/16 Member built integrally with supporting spandrel beam Wulh/24 Interior face of exterior support Member built integrally with supporting Wufh/16 column Two spans Wulh/9 Exterior face of first interior support More than two spans Wu/10 Negative 1) Face of other All Wul/11 supports (a) Slabs with spans not exceeding 3m. Face of all supports satisfying (a) or (b) (b) Beams where ratio of sum of column stiffnesses to beam stiffness exceeds 8 at each end of span W/12 1 To calculate negative moments, l, shall be the average of the adjacent clear span lengths. Given: For all Beams, b xh = 300 mm x 450 mm For All Columns, Section = 400 mm x 400 mm L1 = 8 m L2 = 7 m S = 2.5 m Dead Load, wu = 6.0 kPa (all weights included) Live Load, wu = 4.6 kPa Which of the following gives the critical negative moment (kN-m) for beam DEF? 172.2 106.0 150.5 97.0

Structural Analysis
Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Question 54/75 [continuation] Which of the following gives the critical positive moment (kN-m) for beam DEF? 110.8 97.0 123.3 141.0 (continuation) Determine the critical shear force (kN) for beam DEF. 109 117 101 122
Transcribed Image Text:Question 54/75 [continuation] Which of the following gives the critical positive moment (kN-m) for beam DEF? 110.8 97.0 123.3 141.0 (continuation) Determine the critical shear force (kN) for beam DEF. 109 117 101 122
SITUATION. Refer to Fig. SAM 18.029 and Figure RC-4. Beam DEF is supported by spandrel beams at the exterior edges and by a column at E. The torsional resistance of beams ADG and CFl are not sufficient to restrain beam DEF at D and at F. PLAN SECTION Table 406.5 4 Approximate Shears for Non-Prestressed Continuous Beams and One-Way Slabs Location Exterior face of first interior support 1.15 wa/2 Face of all other supports Table 406.5.2 Approximate Moments for Non-Prestressed Continuous Beams and One- Way Slabs Moment Location Condition ML Discontinuous end integral with support wulG/14 End span Positive Discontinuous end unrestrained Wufh/11 Interior spans All Wufh/16 Member built integrally with supporting spandrel beam Wulh/24 Interior face of exterior support Member built integrally with supporting Wufh/16 column Two spans Wulh/9 Exterior face of first interior support More than two spans Wu/10 Negative 1) Face of other All Wul/11 supports (a) Slabs with spans not exceeding 3m. Face of all supports satisfying (a) or (b) we/12 (b) Beams where ratio of sum of column stiffnesses to beam stiffness exceeds 8 at each end of span 1 To calculate negative moments, l, shall be the average of the adjacent clear span lengths. Given: For all Beams, b xh = 300 mm x 450 mm For All Columns, Section = 400 mm x 400 mm L1 = 8 m L2 = 7 m S = 2.5 m Dead Load, wu = 6.0 kPa (all weights included) Live Load, wu = 4.6 kPa Which of the following gives the critical negative moment (kN-m) for beam DEF? 172.2 106.0 150.5 97.0
Transcribed Image Text:SITUATION. Refer to Fig. SAM 18.029 and Figure RC-4. Beam DEF is supported by spandrel beams at the exterior edges and by a column at E. The torsional resistance of beams ADG and CFl are not sufficient to restrain beam DEF at D and at F. PLAN SECTION Table 406.5 4 Approximate Shears for Non-Prestressed Continuous Beams and One-Way Slabs Location Exterior face of first interior support 1.15 wa/2 Face of all other supports Table 406.5.2 Approximate Moments for Non-Prestressed Continuous Beams and One- Way Slabs Moment Location Condition ML Discontinuous end integral with support wulG/14 End span Positive Discontinuous end unrestrained Wufh/11 Interior spans All Wufh/16 Member built integrally with supporting spandrel beam Wulh/24 Interior face of exterior support Member built integrally with supporting Wufh/16 column Two spans Wulh/9 Exterior face of first interior support More than two spans Wu/10 Negative 1) Face of other All Wul/11 supports (a) Slabs with spans not exceeding 3m. Face of all supports satisfying (a) or (b) we/12 (b) Beams where ratio of sum of column stiffnesses to beam stiffness exceeds 8 at each end of span 1 To calculate negative moments, l, shall be the average of the adjacent clear span lengths. Given: For all Beams, b xh = 300 mm x 450 mm For All Columns, Section = 400 mm x 400 mm L1 = 8 m L2 = 7 m S = 2.5 m Dead Load, wu = 6.0 kPa (all weights included) Live Load, wu = 4.6 kPa Which of the following gives the critical negative moment (kN-m) for beam DEF? 172.2 106.0 150.5 97.0
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