Page 530 - index

ԛɲɿɧ ԧɬɟ ɚɡ. Ⱥɪԕɚɥɵԕɬɚɪ ԛɲɿɧ, ɨɥɚɪɞɵԙ ɤԧɥɞɟɧɟԙ ԕɢɦɚɫɵɧɵԙ ԧɥɲɟɦɞɟɪɿ
ԝɡɵɧɞɵԑɵɧɚɧ ԥɥɞɟɧɟɲɟ ɚɡ ɟɤɟɧɿɧ ɟɫɤɟɪɿɩ, ɤԧɥɞɟɧɟԙ ɤԛɲ ԧɡɝɟɪɦɟɥɿ ɛɨɥԑɚɧ
ɤɟɡɞɟ ɞɟ, ɤɟɪɧɟɭɥɟɪɞɿ ɬԧɦɟɧɞɟɝɿ ɮɨɪɦɭɥɚɥɚɪɦɟɧ ɟɫɟɩɬɟɭɝɟ ɛɨɥɚɞɵ ɞɟɩ
ɬԝɠɵɪɵɦɞɚɣɦɵɡ:

V Mx ˜ y , W Qy ˜ S * . (7.22)
Jx x

J x ˜by

§5. Ɍɢɿɦɞɿ ԕɢɦɚ
Ʉɟɥɬiɪiɥɝɟɧ ɮɨɪɦɭɥɚɥɚɪԑɚ ɫԛɣɟɧɟ ɨɬɵɪɵɩ, ɬɚɡɚ ɢiɥiɩ ɠԝɦɵɫ iɫɬɟɣɬiɧ
ɷɥɟɦɟɧɬɬɟɪɞiԙ ɬɢiɦɞi ԕɢɦɚɥɚɪɵɧ ԕɚɪɚɫɬɵɪɚɣɵԕ. Ɉɥ ԛɲiɧ 91-ɫɭɪɟɬɬɟ
ɤԧɪɫɟɬiɥɝɟɧ ɚɪԕɚɥɵԕ ԛɲiɧ ɬɢiɦɞi ԕɢɦɚ ɬɚԙɞɚɩ ɚɥɚɣɵԕ. Ȼԝɥ ɚɪԕɚɥɵԕɬɵԙ
ԕɚɭiɩɬi ԕɢɦɚɫɵɧɞɚԑɵ ɦɨɦɟɧɬ M = Pl ɠԥɧɟ ɨɧɵԙ ɧɟɝɿɡɝɿ ɛԧɥɿɝɿ ɬɚɡɚ ɢɿɥɿɩ ɬԝɪ.
Ⱥɥɞɵɦɟɧ, ԕɢɦɚɧɵԙ ɩɿɲɿɧɿ ɬɿɤ ɬԧɪɬɛԝɪɵɲ ɞɟɩ ɚɥɚɣɵԕ. Ԕɚɭɿɩɬɿ ԕɢɦɚɞɚԑɵ
ɤɟɪɧɟɭɞɿԙ ɬɚɪɚɥɭɵ 92-ɫɭɪɟɬɬɟ ɤԧɪɫɟɬɿɥɝɟɧ. ȿԙ ԛɥɤɟɧ ɤɟɪɧɟɭ ԕɢɦɚɧɵԙ ɲɟɬɤɿ
ԕɚɛɚɬɬɚɪɵɧɞɚ ɩɚɣɞɚ ɛɨɥɚɞɵ.
Ȼɟɪiɤɬiɤ ɲɚɪɬɵ ɛɨɣɵɧɲɚ, ɲɟɬɤi ԕɚɛɚɬɬɚ ɩɚɣɞɚ ɛɨɥԑɚɧ ɟԙ ԛɥɤɟɧ ɤɟɪɧɟɭ
ɦԛɦɤiɧ ɤɟɪɧɟɭɞɟɧ ɚɫɩɚɭ ɤɟɪɟɤ. Ȼԝɥ ɤɟɡɞɟ, ɨɪɬɚԙԑɵ ԕɚɛɚɬɬɚɪɵɧɞɚԑɵ
ɤɟɪɧɟɭɥɟɪ ɦԛɦɤiɧ ɤɟɪɧɟɭɞɟɧ ɦԛɥɞɟɦ ɚɡ, ɚɥ ɛɟɣɬɚɪɚɩ ԕɚɛɚɬɬɚ ɬiɩɬi ɧԧɥɝɟ ɬɟԙ.
ɋɨɧɞɵԕɬɚɧ ɦԝɧɞɚɣ ԕɢɦɚ ɬɢiɦɞi ɛɨɥɚ ɚɥɦɚɣɞɵ.
Ⱥɥ ɟɧɞɿ ɬɿɤ ɬԧɪɬɛԝɪɵɲ ԕɢɦɚɧɵԙ ԛɡɿɤ ɫɵɡɵԕɩɟɧ ɤԧɪɫɟɬɿɥɝɟɧ ɛԧɥɿɝɿɧɟ
ɫԥɣɤɟɫ ɚɭɞɚɧɞɵ ɚɥɵɩ ɬɚɫɬɚɫɚԕ, ɚɪԕɚɥɵԕɬɵԙ ɛɟɪɿɤɬɿɝɿ ɤԧɩ ɤɟɦɢ ԕɨɣɦɚɣɞɵ.
Ⱦɟɦɟɤ, ɤԧɪɫɟɬɿɥɝɟɧ ԕɢɦɚɧɵԙ ɨɪɧɵɧɚ 93-ɫɭɪɟɬɬɟ ɤԧɪɫɟɬɿɥɝɟɧ
ԕɢɦɚɥɚɪɞɵԙ ɛɿɪɿɧ ɚɥԑɚɧ ɬɢɿɦɞɿ.

91-ɫɭɪɟɬ 92-ɫɭɪɟɬ

Ȼԝɥ ɤԧɪɫɟɬɿɥɝɟɧ ԕɢɦɚɥɚɪɞɵԙ ɟɪɟɤɲɟɥɿɝɿ – ɤɟɪɧɟɭɿ ɤԧɩ ԕɚɛɚɬɬɚɪɞɵԙ ɟɧɿ
ԛɥɤɟɧ ɞɟ, ɚɥ ɤɟɪɧɟɭɥɟɪɿ ɚɡ ԕɚɛɚɬɬɚɪɞɵԙ ɟɧɿ ɤɿɲɤɟɧɟ.

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