Architecture
°ÇÃà Architecture


ºÐÆ÷ÇÏÁßÀÌ ¼±ÇüÀ¸·Î º¯È­ÇÏ´Â °æ¿ì¿¡ ÇÕ·ÂÀÇ ÀÛ¿ëÁ¡ À§Ä¡(point of application of distributed load)

ÀÛ¼ºÀÚ Uploader : ¿ì°øÀÌ»ê ÀÛ¼ºÀÏ Upload Date: 2022-04-14º¯°æÀÏ Update Date: 2022-04-22Á¶È¸¼ö View : 453

±×¸²°ú °°ÀÌ ±æÀÌ L (m) ¿¡ ºÐÆ÷ÇÏÁßÀÇ Å©±â°¡ P1 (kN) ¿¡¼­ P2 (kN) ±îÁö ¼±ÇüÀ¸·Î º¯È­ÇÏ´Â °æ¿ì¿¡, O Á¡À¸·ÎºÎÅÍ ÇÕ·ÂÀÇ ÀÛ¿ëÁ¡±îÁöÀÇ °Å¸® LR (m) ¸¦ ±¸ÇÑ´Ù.

O Á¡¿¡¼­ +x ¹æÇâÀ¸·Î x ¸¸Å­ ¶³¾îÁø À§Ä¡¿¡¼­ ÈûÀÇ Å©±â Px ¿Í O Á¡À» ±âÁØÀ¸·ÎÇÑ ¸ð¸àÆ® Mx ´Â ´ÙÀ½°ú °°´Ù.

Px = ((P2-P1)/L)*x + P1              

Mx = ((P2-P1)/L)*x^2 + P1*x

Mx ¸¦ 0 ¿¡¼­ L ±îÁö ÀûºÐÇϸé, ºÐÆ÷ÇÏÁß¿¡ ÀÇÇØ ¹ß»ýÇÏ´Â ¸ð¸àÆ® MP ¸¦ ±¸ÇÒ ¼ö ÀÖ´Ù.

MP = (1/3)*(P2-P1)*L^2 + (1/2)*P1*L^2
     = (1/6)*(P1+2*P2)*L^2

Àüü ÈûÀÇ Å©±â PR = (1/2)*(P1+P2)*L À̹ǷÎ, ¸ð¸àÆ® ÆòÇüÀ» ÀÌ¿ëÇϸé, O Á¡¿¡¼­ ÀÛ¿ëÁ¡±îÁöÀÇ ±æÀÌ LR À» ±¸ÇÒ ¼ö ÀÖ´Ù.

M = 0 = (1/6)*(P1+2*P2)*L^2 - (1/2)(P1+P2)*L*LR

(1/2)(P1+P2)*L*LR = (1/6)*(P1+2*P2)*L^2

LR = (1/3)*(P1+2*P2)*L/(P1+P2)

*** Âü°í¹®Çå[References] ***

LR = (1/3)*(P1+2*P2)*L/(P1+P2)
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º¯¼ö¸í Variable º¯¼ö°ª Value º¯ ¼ö ¼³ ¸í Description of the variable


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