{"id":2538,"date":"2017-02-09T08:00:38","date_gmt":"2017-02-08T23:00:38","guid":{"rendered":"https:\/\/norimen.net\/wordpress\/?p=2538"},"modified":"2026-05-16T22:53:39","modified_gmt":"2026-05-16T13:53:39","slug":"phan-tinh-toan-vat-lieu-khung-phan-3","status":"publish","type":"post","link":"https:\/\/norimen.net\/vi\/frame-material-calculation-part3\/","title":{"rendered":"T\u00ednh to\u00e1n v\u1eadt li\u1ec7u cho khung c\u1ed1t th\u00e9p (Ph\u1ea7n 3) | Ph\u1ea7n c\u1ed1t th\u00e9p d\u1ea7m ngang khung c\u1ed1t th\u00e9p"},"content":{"rendered":"

Xin ch\u00e0o m\u1ecdi ng\u01b0\u1eddi.<\/p>\n

\u0110\u00e2y l\u00e0 Enta.<\/p>\n

 <\/p>\n

Cho \u0111\u1ebfn ng\u00e0y h\u00f4m tr\u01b0\u1edbc, ph\u1ea7n khung ph\u00e1p l\u00fd \u0111\u00e3 ho\u00e0n th\u00e0nh c\u00e1c d\u1ea7m d\u1ecdc.<\/p>\n

T\u00ednh to\u00e1n v\u1eadt li\u1ec7u cho khung ph\u00e1p l\u00fd (Ph\u1ea7n 1)<\/a>\u3000Ph\u1ea7n cu\u1ed1i v\u1ec1 l\u01b0\u1edbi th\u00e9p<\/span><\/span><\/strong><\/p>\n

T\u00ednh to\u00e1n v\u1eadt li\u1ec7u cho khung ph\u00e1p l\u00fd (Ph\u1ea7n 2)<\/a>\u3000Ph\u1ea7n d\u1ea7m d\u1ecdc trong khung ph\u00e1p l\u00fd<\/span><\/span><\/strong><\/p>\n

Thanh th\u00e9p d\u1ecdc<\/span><\/h4>\n

L\u1ea7n n\u00e0y l\u00e0 thanh ngang, nh\u01b0ng c\u0169ng gi\u1ed1ng nh\u01b0 l\u1ea7n tr\u01b0\u1edbc v\u1eady (c\u01b0\u1eddi)<\/p>\n

L\u1ea7n tr\u01b0\u1edbc, chi\u1ec1u d\u00e0i d\u1ea7m ngang l\u00e0 12m.<\/p>\n

12m \u00f7 5m (chi\u1ec1u d\u00e0i c\u1ed1t th\u00e9p s\u1eed d\u1ee5ng) = 2 thanh, d\u01b0 2m<\/span><\/strong><\/p>\n

C\u00f3 2 v\u1ecb tr\u00ed ch\u1ed3ng ch\u00e9o c\u1ee7a c\u1ed1t th\u00e9p.<\/p>\n

5 m + 5 m + 2 m = 12 m<\/span><\/strong><\/p>\n

V\u00ec \u0111\u1ed9 ch\u1ed3ng ch\u00e9o c\u1ee7a c\u1ed1t th\u00e9p l\u00e0 0,52 m cho m\u1ed7i v\u1ecb tr\u00ed n\u00ean<\/p>\n

0,52 m \u00d7 2 v\u1ecb tr\u00ed = 1,04 m<\/span><\/strong><\/p>\n

Th\u00e9p c\u1ed1t 5m \u00d7 2 thanh + 2m + 1,04m = 13,04m<\/span><\/strong><\/p>\n

V\u00ec khung ph\u00e1p 300 s\u1eed d\u1ee5ng 4 thanh c\u1ed1t th\u00e9p \u1edf tr\u00ean v\u00e0 d\u01b0\u1edbi, n\u00ean,<\/p>\n

13,04 m \u00d7 4 thanh = 52,16 m\/m\u1ed7i d\u1ea7m<\/strong><\/span><\/p>\n

Chi\u1ec1u d\u00e0i d\u1ea7m \u00f7 Kho\u1ea3ng c\u00e1ch gi\u1eefa c\u00e1c khung d\u1ea7m = Chi\u1ec1u d\u00e0i nh\u1ecbp<\/p>\n

18m \u00f7 2m = 9 nh\u1ecbp<\/p>\n

9 nh\u1ecbp + 1 = 10 d\u1ea7m (s\u1ed1 \u0111i\u1ec3m giao nhau c\u0169ng b\u1eb1ng nhau)<\/span><\/strong><\/p>\n

10 d\u1ea7m \u00d7 52,16 m = 521,6 m<\/span><\/strong><\/p>\n

 <\/p>\n

521,6 m \u00d7 0,995 kg\/m (tr\u1ecdng l\u01b0\u1ee3ng ri\u00eang c\u1ee7a c\u1ed1t th\u00e9p D13) = 519 kg<\/span><\/strong><\/p>\n

 <\/p>\n

D\u1ea7m d\u1ecdc + d\u1ea7m ngang c\u1ed1t th\u00e9p =545 kg + 519 kg = 1.064 kg<\/span><\/strong><\/p>\n

N\u1ebfu t\u00ednh theo s\u1ed1 l\u01b0\u1ee3ng, th\u00ec,1.064 \u00f7 5 m = 213 c\u00e2y<\/strong><\/span><\/p>\n

 <\/p>\n

N\u1ebfu l\u00e0 ng\u01b0\u1eddi c\u00f3 kinh nghi\u1ec7m, t\u00f9y theo \u0111\u1ed9 d\u1ed1c c\u1ee7a s\u01b0\u1eddn \u0111\u1ed3i,<\/p>\n

C\u00f3 l\u1ebd s\u1ebd kh\u00f4ng c\u00f3 v\u1ea5n \u0111\u1ec1 g\u00ec n\u1ebfu t\u00ednh to\u00e1n d\u1ef1a tr\u00ean t\u1ef7 l\u1ec7 hao h\u1ee5t \u01b0\u1edbc t\u00ednh r\u1ed3i ti\u1ebfn h\u00e0nh v\u1eadn chuy\u1ec3n, nh\u01b0ng,<\/p>\n

Tr\u01b0\u1edbc m\u1eaft, t\u00f4i s\u1ebd \u0111\u1eb7t h\u00e0ng v\u1edbi s\u1ed1 l\u01b0\u1ee3ng n\u00e0y.<\/p>\n

V\u1ec1 m\u1eb7t ph\u00e1p l\u00fd, n\u1ebfu x\u00e9t \u0111\u1ebfn v\u1ea5n \u0111\u1ec1 t\u1ed5n th\u1ea5t, t\u00f4i cho r\u1eb1ng n\u00ean \u0111\u1eb7t h\u00e0ng hai l\u1ea7n s\u1ebd t\u1ed1t h\u01a1n.<\/p>\n

 <\/p>\n

H\u1eb9n g\u1eb7p l\u1ea1i nh\u00e9.<\/p>","protected":false},"excerpt":{"rendered":"

Xin ch\u00e0o m\u1ecdi ng\u01b0\u1eddi. T\u00f4i l\u00e0 Enta. \u00a0 V\u00e0o nh\u1eefng ng\u00e0y v\u1eeba qua, t\u00f4i \u0111\u00e3 ho\u00e0n th\u00e0nh ph\u1ea7n d\u1ea7m d\u1ecdc c\u1ee7a khung gi\u00e0n. T\u00ednh to\u00e1n v\u1eadt li\u1ec7u khung gi\u00e0n (Ph\u1ea7n 1): Ph\u1ea7n l\u01b0\u1edbi th\u00e9p gia c\u1ed1 T\u00ednh to\u00e1n v\u1eadt li\u1ec7u khung gi\u00e0n (Ph\u1ea7n 2): Ph\u1ea7n d\u1ea7m d\u1ecdc khung gi\u00e0n D\u1ea7m ngang v\u00e0 c\u1ed1t th\u00e9p. L\u1ea7n n\u00e0y l\u00e0 ph\u1ea7n d\u1ea7m ngang, nh\u01b0ng c\u0169ng gi\u1ed1ng nh\u01b0 l\u1ea7n tr\u01b0\u1edbc v\u1eady (c\u01b0\u1eddi). L\u1ea7n tr\u01b0\u1edbc, d\u1ea7m ngang d\u00e0i 12m\u2026<\/p>","protected":false},"author":2,"featured_media":2515,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_bbp_topic_count":0,"_bbp_reply_count":0,"_bbp_total_topic_count":0,"_bbp_total_reply_count":0,"_bbp_voice_count":0,"_bbp_anonymous_reply_count":0,"_bbp_topic_count_hidden":0,"_bbp_reply_count_hidden":0,"_bbp_total_topic_count_hidden":0,"_bbp_total_reply_count_hidden":0,"_bbp_forum_subforum_count":0,"footnotes":"","jetpack_post_was_ever_published":false},"categories":[29,34],"tags":[58,60,61],"class_list":["post-2538","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-frame-spraying","category-slope-work","tag-58","tag-60","tag-61"],"acf":[],"yoast_head":"\n\u6cd5\u67a0\u6750\u6599\u306e\u7b97\u51fa\uff08\u305d\u306e3\uff09\uff5c\u6cd5\u67a0\u6a2a\u6881\u9244\u7b4b\u7de8 - 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