Structural Analysis problem
The floor system of a gymnasium consists of a 130-mm-thick concrete slab resting on four steel beams (A=9,100 mm2) that, in turn, are supported by twosteel girders (A=25,600 mm2).Determine the live loads acting on beam BF and girder AD.
*Note: Before solving this problem check if this slab is one-way or two-way system,and if it is a two-way system then solve accordingly*
Homework Answers
The ratio of l(y)/l(x) = 24/10 = 2.4 >2.0 which implies the slab is ONE WAY. (live + beams+girder loads will be carried by Girders Ad and EH)
Live load for Gymanasiums is 4.79 kN/sq.m.
Live load on beams BF &CG is a line load and comes from 4m on either side of the beams (i.etotal tributary width = 8m)
LL(BF &CG) = 
Live load on beams AE &DH is a line load comes from 4m on one side of the beams (i.e totaltributary width = 4m)
LL (AE &DH) = 0.5*LL(BF &CG) = 0.5*38.32 =
Live load on Girders AD &EH is a set of concentrated loads at location of (A, B, c &D for girder AD) and (E,F,G &H ofr girder EH)
Concentrated loads at A, D, E &H = 
Concentrated load at B,C, F &G = 
The floor system of school classroom is shown below. Determine the total load acting on all...
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*please solve ALL questions Assume that the floor between Beams B7 and B8 is supported directly...
*please solve ALL questions
Assume that the floor between Beams B7 and B8 is supported
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B7 has a self-weight of 30 plf. The floor slab consists of a
4-in.-thick, normal-weight, reinforced concrete slab (unit weight =
150 pcf). An additional floor dead load of 15 psf is specified to
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exterior beam, B7 must also support one...
Seeking structural engineering help. please answer the entire question, showing all steps. thank ...
seeking structural engineering help. please answer the entire
question, showing all steps. thank you very much!
The structural steel framing plan of the figure represents a floor system for a narrow commercial building. The floor is to support a 6 in. thick reinforced concrete slab, a live load of 150 psf and an additional future load of 20 psf. Use the Allowable Stress Design (as per the class reference materials) and ASTMA36 steel for all members, use 0.6 Fy as...
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Using the Letter R so Dead load is 160 and Live load is 50
Using the Letter R so Dead load is 160 and Live load is
50
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Could you please help me on question 7. Thank you very much. The floor system shown...
Could you please help me on question 7.
Thank you very much.
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*please solve ALL questions
Assume that the floor between Beams B7 and B8 is supported
directly by these two beams only (not by Girders G2 and G3). Beam
B7 has a self-weight of 30 plf. The floor slab consists of a
4-in.-thick, normal-weight, reinforced concrete slab (unit weight =
150 pcf). An additional floor dead load of 15 psf is specified to
account for the weight of suspended utilities and fixtures. As an
exterior beam, B7 must also support one...
seeking structural engineering help. please answer the entire
question, showing all steps. thank you very much!
The structural steel framing plan of the figure represents a floor system for a narrow commercial building. The floor is to support a 6 in. thick reinforced concrete slab, a live load of 150 psf and an additional future load of 20 psf. Use the Allowable Stress Design (as per the class reference materials) and ASTMA36 steel for all members, use 0.6 Fy as...
Question .2 A structural system that supports a reading room is being considered for a new library. The floor consists of a 125 mm thick slab of normal density reinforced concrete supported by steel beams and columns. The steel beams weigh 90 kg/m while the steel columns weigh 150 kg/m. In addition to self weight, dead loads must include a 1.0 kPa allotment for partitions and a 0.5 kPa allotment for flooring/ceiling/services. Determine, (a) the specified (i.e. unfactored) distributed load...
Assignment #1 A three-story office building, determine the total dead & live loads by columns A1 and C3 and beams. The precast exterior wall supported by the perimeter beams weighs 600 lb/ft. The floor system consists of a 6 in-thick reinforced concrete slab. 25 5-0 BEAM -0 12 14 Beam 12" Column Framing Plan
The plan view of a typical floor of a four-story heavy storage facility is shown below. The floor and roof live load is 250 psf, and the dead load on all foors and the roof consists of the structure self-weight plus 10 psf for utilities. W 12:96 beams are spaced at 12 ft; w 18x106 reinforced one-way concrete floor/roof slab is 8" thick, each story is 12' high, and the reinforced concrete columns have a 14" x 14" cross-section girders...
Using the Letter R so Dead load is 160 and Live load is
50
by 120 floor Design Problem: 150 girders Floor System: oor (Design for Bending onl nding only.ust beams and 120'x 150', Columns on a 30 Grid 1) 2) Girders span from Column to column in the 150 foot direction 3) Beams span between girders 4) Concrete floor spans across beams Loading: See table on following page Elements/Materials: 1) Beams: S-Shape a. Use same beam throughout b. No...
is the second floor of a four-story building. a flat Consider the floor framing plan shown below. Thi The design floor live load is 90 psf. The design roof live load is 20 psf. The structure has roof G1 G4 /2 G2 GS 2o G3 FLOOR FRAMING PLAN Assume that the floor between Beams B7 and B8 is supported directly by these two beams only (not by Girders G2 and G3). Beam B7 has a self-weight of 30 plf. The...
Could you please help me on question 7.
Thank you very much.
The floor system shown below consists of normalweight concrete (150 pcf). Beams C2 ! LT 1 7.0 inch ! h=20 in G2! 12 in Girders BI 1 7.0 inch Slab 8 ft span h 24 in ----- - -- - --- 15 in 15 ft 15 ft Use 4000 psi concrete and Gr. 60 reinforcing steel. Assume 0.75 inch clear cover. Include concrete self-weight and a superimposed dead...
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