544 



STRUCTURAL MECHANICS. 



CHAP. XVI. 



57. MOMENTS AT SUPPORTS.- CONTINUOUS 6eAMS t EQML5nw5ANDEQUAL UNIFORM LOADS. 



COEFFICIENTS OF w2 2 , where w=/oac/perunit length and 2- length oFonespan. Eandl constant. 

 Maximum positive moment in any span can be calculated Prom Formula 56 j. 



58. 5HEARSAT5UPPORTS:COHTIttUOUS BEAMS, EQUAL SPANS AND EQUALUtllFORM LOADS. 



I. 



A 



A 



A 

 5 ,5 





~IO' 10 ~IO' 10 



^ 



-p 



* 

 4. 



A A zs 



+Ii !1 JI J1J1 

 ' ?8 28' ?8 ?d'?8 



a 



A 



A 2 Z\ 



n+ H+W I JI 

 '58 ~18' 38 ~18' 58 





Zi 



A A A A 2S A A 



0+4L & + 5J> 42 +$l 51.55 _5i .49 55 ,63 4J_ 



'104 ' 104' 104 "104 '104 ~/04'/04 104' 104 ~I04' 104 104' 



5. 



^. 



A A ^A: z\ zs zs A^ A 



7 n+tt MJl MM 71 JL 1LJZ lH J-l & 86 B6 n 7 

 J 142 ~I42' 142 ~I4Z J 14? ~ 142' 142 ~I42' J42 ~ 142' 142 ~ 142' 142 142' ' ' 



COEFFICIENTS OF w?, where w= load per unit length andl : lenqth of span. and I constant. 

 Reactions at supports equal algebraic diFFerence oF shears to right and /eFt. 



