姣曚笟璁捐妗嗘灦缁撴瀯璁捐渚嬮涓�澶╂触鍩庡缓澶у
-1 -
= 2.
62m
绗?/p>
5
灞?/p>
妯?/p>
姊?/p>
BC
璺紝绛夋晥瀹藉害
~
涓夎褰㈣嵎杞介潰绉?/p>
_ 2 x 6.6 x 1.
5
/
2
~
妯
璺ㄥ害
~ =
676
=1.5m
(
鏈涓婁紶渚嬮鐨勪竴浜涚ず鎰忓浘杩樻湭淇敼锛?/p>
鍦ㄥ浘涓湁璇存槑
)
(
涓?/p>
鎺ユ湰渚嬮鐨勭涓�閮ㄥ垎
)
6
绔栧悜鑽疯浇浣滅敤涓嬫鏋跺唴鍔涜绠?/p>
涓庢按骞冲湴闇囦綔鐢ㄤ笅鐩稿悓锛屽彇妯悜
2
杞存鏋惰繘琛岃绠椼�?/p>
6.1
妯悜妗嗘灦鎵�鎵垮彈鐨勭珫鍚戣嵎杞?/p>
鍦?/p>
2
杞存í鍚戞鏋剁殑鎵胯浇鑼冨洿鍐呯殑鎵�鏈夎嵎杞斤紝閮借浼犺嚦
2
杞寸殑妗嗘灦姊佷笌妗嗘灦鏌变笂銆?/p>
2
杞存í鍚戞鏋剁殑鎵胯浇鑼冨洿涓猴細鍦?/p>
A
杞翠笂纭畾
1
杞翠笌
2
杞翠箣闂寸殑涓偣锛岃繃姝ょ偣鐢诲钩琛屼簬
1
杞寸殑鐩寸嚎
A1;
鍐?/p>
鍦?/p>
A
杞翠笂
纭畾
2
杞翠笌
3
杞翠箣闂寸殑涓偣锛?/p>
杩囨鐐圭敾骞宠浜?/p>
1
杞寸殑鐩寸嚎
A2
;
姝?/p>
2
鐩?/p>
绾?/p>
A1
銆?/p>
A2
涓?/p>
A
杞淬�?/p>
D
杞寸殑绾?/p>
姊佸杈圭紭鐩寸嚎鎵�
鏋勬垚鐨勭煩褰㈠嵆涓?/p>
2
杞存í鍚戞鏋剁殑鎵胯浇鑼冨洿銆?/p>
浣滅敤鍦ㄨ鎵胯浇鑼冨洿鍐呯殑鎵�鏈夎嵎杞斤紝鎸夌収鍏跺悇鑷殑璐熻嵎浼犲璺嚎锛屽绠椾负浣滅敤鍦ㄦí姊佸強姊佹煴鑺傜偣涓婄殑鑽疯浇銆?/p>
浣滅敤鍦?/p>
2
杞存í鍚戞鏋朵笂鐨勮嵎杞藉叡鏈?/p>
5
椤广�?/p>
6
.
1.1
浣滅敤鍦ㄦí姊佷笂鐨勫潎甯冪嚎鑽疯浇
鍓?/p>
3
椤逛负浣滅敤鍦ㄦí姊佷笂鐨勫潎甯冪嚎鑽疯浇锛?/p>
(1)
涓绘鑷噸
(
鎭掕浇鏍囧噯鍊?/p>
)
锛屼负鍧囧竷绾胯嵎杞斤紝鍏跺�间负锛?/p>
Pb =bX(h-h
b
)X25X
鎶圭伆澧楀ぇ绯绘暟
(kN/m);
璁＄畻缁撴灉璇﹁琛?/p>
6.1
銆?/p>
(2)
妤兼澘浼犳潵鐨勬褰㈣嵎杞斤細
灏嗗叾绛夋晥鎴愬潎甯冪嚎鑽疯浇銆傜瓑鏁堟柟娉曞彲閲囩敤鑽疯浇闈㈢Н绛夋晥娉曟垨鏀骇寮煩绛夋晥娉?/p>
鏈緥棰橀噰鐢ㄨ嵎杞介潰绉瓑鏁堟硶锛?/p>
鍗冲皢妤兼澘浼犺嚦妯鐨勬褰㈣嵎杞芥垨涓夎褰㈣嵎杞芥寜鐓ч潰绉瓑鏁堟垚鐭╁舰鑽疯浇锛?/p>
姹傚嚭鐭╁舰鑽疯浇鐨勭瓑鏁堝搴︼紝杩涗竴姝ユ眰鍑哄潎甯冪嚎鑽疯浇鐨勫�笺�?/p>
濡傜
5
灞傛í姊?/p>
AB
璺紝绛夋晥鐛呭巶姊?/p>
HI
绉?/p>
^
2 x(6
.
6 - 3
-
6
6
.
+
6
6
-
6) x 1 8/2
绛夋晥鍚庣殑鏉挎亽杞芥爣鍑嗗�?/p>
Ps =2.62mX5.65kN/m
2
=14.79 kN/m
绛夋晥鍚庣殑鏉?
娲昏浇鏍囧噯鍊?/p>
q
s
=2.62m X 0.5kN/m
2
=1.31kN/m
绛夋晥鍚庣殑鏉挎亽杞芥爣鍑嗗�?/p>
p
s
=1.mX 5.65kN/m
2
=8.48 kN/m
绛夋晥鍚庣殑鏉挎椿杞芥爣鍑嗗�?/p>
qs
=1.5mX0.5kN/m
2
=0.75kN/m
鍏跺畠灞傜殑璁＄畻缁撴灉璇﹁琛?/p>
6.1