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?????????????C??????????Щ????C?????????????? |
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| ??? |
??????kg/m?? |
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??? |
??????kg/m?? |
| 80×40×20×2.5 |
3.925 |
180×60×20×3 |
8.007 |
| 80×40×20×3 |
4.71 |
180×70×20×2.5 |
7.065 |
| 100×50×20×2.5 |
4.71 |
180×70×20×3 |
8.478 |
| 100×50×20×3 |
5.652 |
200×50×20×2.5 |
6.673 |
| 120×50×20×2.5 |
5.103 |
200×50×20×3 |
8.007 |
| 120×50×20×3 |
6.123 |
200×60×20×2.5 |
7.065 |
| 120×60×20×2.5 |
5.495 |
200×60×20×3 |
8.478 |
| 120×60×20×3 |
6.594 |
200×70×20×2.5 |
7.458 |
| 120×70×20×2.5 |
5.888 |
200×70×20×3 |
8.949 |
| 120×70×20×3 |
7.065 |
220×60×20×2.5 |
7.4567 |
| 140×50×20×2.5 |
5.495 |
220×60×20×3 |
8.949 |
| 140×50×20×3 |
6.594 |
220×70×20×2.5 |
7.85 |
| 160×50×20×2.5 |
5.888 |
220×70×20×3 |
9.42 |
| 160×50×20×3 |
7.065 |
250×75×20×2.5 |
8.634 |
| 160×60×20×2.5 |
6.28 |
250×75×20×3 |
10.362 |
| 160×60×20×3 |
7.536 |
280×80×20×2.5 |
9.42 |
| 160×70×20×2.5 |
6.673 |
280×80×20×3 |
11.304 |
| 160×70×20×3 |
8.007 |
300×80×20×2.5 |
9.813 |
| 180×50×20×2.5 |
6.28 |
300×80×20×3 |
11.775 |
| 180×50×20×3 |
7.536 |
?? |
?? |
| 180×60×20×2.5 |
6.673 |
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?? |
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???????????????C???????????????пC??????п??100-120???????п?????????????C?????п?棬??????????????????????????????????????????????
???C??????????????????
??C????????????????:
(h+2b+2a-4t)*t*????????*0.00785=????KG????
C??????????????????????*????????*???=??? |
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>>>>>>??????????————
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