Question

Use the continuous beam shown in the B” axis of the Plan Vlew or the Building-in the drawings The slab of the building is composed of 2 cm of marble, 6 cm of plain concrete, 14 cm of reinforced concrete and 3 cm of plaster. The building is a school building. The dead load of the reinforced concrete beam can be calculated using the cross-sectional properties shown in Figure 1. Using F 1.4xG+1.6x0 load combination, find the maximum moments (positive and negative) for each of the supports and spans of beam. NOTE: . Dont forget to use the live load arrangement for the most unfavorable load effects Uniformly distributed live load either does not exist or covers the full span (span between 3 and 4 axis, span between 4 and 5 axis). The figure, , represents a hinge on the beam. · Assumption: Assume the beam to be pin supported on the columns. X1-320 mm X2-550 mm Xi Figson -UsSection of the Beam
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Calculate the dead loadof Rof thicknun of marble-2cm e* thick ners of plain concrete = 6cm Ype: unit weat of plain concret.=ЗА 38 꺼 The live lood foィSchool buildia (class 00m) F 192 xl Tatal olead lo the bean. es19η St (Momen e bendin 0086 +0.063 -36/2 KNm 19 84 KN. 3-C 3.B 3A O - 19.84 3612meQ切- Calculate the dend loal fo- seam 01 2 3 live lod m omen O +0.0R6 (3-A) HA) (SA) (u-A) S-A)for Beam - s Sty-y Calculate the Lndf. beam 5 Live load fo btam Sis Rc GA.ceelkiat → O ,086-0.0錯 +0 +DD63 -o.063 5-A S-B14-73 kN-m 13kN- 4- Colculte he design loal ive loedblam oaよ04.vo eAm 3 Wd= (22-36+ 2写3) d4-88-468 KN/M Callate tha bendlist

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