Kh\u00f4ng s\u1eed d\u1ee5ng m\u00f3ng b\u0103ng tr\u00ean c\u00e1c n\u1ec1n \u0111\u1ea5t c\u00f3 \u0111\u1ecba h\u00ecnh x\u1ea5u, y\u1ebfu, nhi\u1ec1u b\u00f9n hay kh\u00f4ng \u1ed5n \u0111\u1ecbnh.<\/figcaption><\/figure>\nTham kh\u1ea3o th\u00eam:\u00a0X\u00e2y t\u01b0\u1eddng v\u00e1ch ng\u0103n ph\u00f2ng kh\u00e1ch v\u00e0 b\u1ebfp \u2013 nh\u1eefng l\u01b0u \u00fd kh\u00f4ng th\u1ec3 b\u1ecf qua<\/em><\/strong><\/p>\n<\/span>\u01afu v\u00e0 nh\u01b0\u1ee3c \u0111i\u1ec3m\u00a0<\/strong><\/span><\/h2>\n\n- \u01afu \u0111i\u1ec3m: Gi\u00fap cho s\u1ef1 li\u00ean k\u1ebft gi\u1eefa t\u01b0\u1eddng v\u00e0 c\u1ed9t ch\u1eafc ch\u1eafn h\u01a1n theo ph\u01b0\u01a1ng th\u1eb3ng \u0111\u1ee9ng. B\u00ean c\u1ea1nh \u0111\u00f3, lo\u1ea1i m\u00f3ng n\u00e0y c\u00f2n c\u00f3 t\u00e1c d\u1ee5ng l\u00e0m gi\u1ea3m \u00e1p l\u1ef1c \u0111\u00e1y m\u00f3ng. V\u00e0 gi\u00fap cho vi\u1ec7c truy\u1ec1n t\u1ea3i tr\u1ecdng l\u01b0\u1ee3ng c\u1ee7a c\u00f4ng tr\u00ecnh xu\u1ed1ng ph\u00eda d\u01b0\u1edbi \u0111\u01b0\u1ee3c \u0111\u1ec1u h\u01a1n. V\u1edbi c\u00f4ng tr\u00ecnh t\u1eeb 3 t\u1ea7ng tr\u1edf l\u00ean ng\u01b0\u1eddi ta hay s\u1eed d\u1ee5ng m\u00f3ng b\u0103ng.<\/li>\n
- Nh\u01b0\u1ee3c \u0111i\u1ec3m: Chi\u1ec1u s\u00e2u c\u1ee7a m\u00f3ng b\u0103ng nh\u1ecf n\u00ean c\u00f3 t\u00ednh \u1ed5n \u0111\u1ecbnh, ch\u1ed1ng l\u1eadt, ch\u1ed1ng tr\u01b0\u1ee3t c\u1ee7a m\u00f3ng k\u00e9m. L\u1edbp \u0111\u1ea5t b\u1ec1 m\u1eb7t c\u00f3 s\u1ee9c ch\u1ecbu t\u1ea3i k\u00e9m, l\u00e0m \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn s\u1ee9c ch\u1ecbu t\u1ea3i chung c\u1ee7a n\u1ec1n m\u00f3ng.<\/li>\n<\/ul>\n
Kh\u00f4ng s\u1eed d\u1ee5ng m\u00f3ng b\u0103ng tr\u00ean c\u00e1c n\u1ec1n \u0111\u1ea5t c\u00f3 \u0111\u1ecba h\u00ecnh x\u1ea5u, y\u1ebfu, nhi\u1ec1u b\u00f9n hay kh\u00f4ng \u1ed5n \u0111\u1ecbnh.<\/p>\n
<\/span>So s\u00e1nh m\u00f3ng b\u0103ng v\u00e0 m\u00f3ng b\u00e8<\/strong><\/span><\/h2>\nM\u00f3ng b\u0103ng v\u00e0 m\u00f3ng b\u00e8 c\u00f3 nhi\u1ec1u \u0111i\u1ec3m t\u01b0\u01a1ng \u0111\u1ed3ng v\u1edbi nhau v\u1ec1 h\u00ecnh d\u00e1ng v\u00e0 c\u1ea3 thi\u1ebft k\u1ebf. Tuy nhi\u00ean, ngo\u00e0i vi\u1ec7c kh\u00e1c nhau v\u1ec1 c\u1ea5u t\u1ea1o th\u00ec\u00a0 c\u1ea7n quan t\u00e2m \u0111\u1ebfn m\u1ed9t s\u1ed1 \u0111i\u1ec3m sau:<\/p>\n
\u2013 M\u00f3ng b\u00e8 ch\u1ec9 th\u00edch h\u1ee3p v\u1edbi c\u00e1c c\u00f4ng tr\u00ecnh c\u00f3 l\u1edbp \u0111\u1ecba ch\u1ea5t t\u1ed1t, \u1ed5n \u0111\u1ecbnh.<\/p>\n
\u2013 C\u00f4ng tr\u00ecnh x\u00e2y d\u1ef1ng m\u00f3ng b\u00e8 n\u00ean \u1edf khu v\u1ef1c c\u00f3 m\u1eadt \u0111\u1ed9 x\u00e2y d\u1ef1ng th\u1ea5p<\/p>\n
\u2013 M\u00f3ng b\u00e8 ph\u00f9 h\u1ee3p h\u01a1n v\u1edbi nh\u1eefng c\u00f4ng tr\u00ecnh ch\u1ecbu t\u1ea3i tr\u1ecdng nh\u1ecf, chi\u1ec1u cao th\u1ea5p<\/p>\n
\u2013 Th\u1eddi gian thi c\u00f4ng m\u00f3ng b\u00e8 c\u0169ng nhanh, ti\u1ebft ki\u1ec7m \u0111\u01b0\u1ee3c nhi\u1ec1u c\u00f4ng s\u1ee9c v\u00e0 ti\u1ec1n b\u1ea1c.<\/p>\n
<\/span>L\u01b0u \u00fd khi thi\u1ebft k\u1ebf<\/strong><\/span><\/h2>\nThi\u1ebft k\u1ebf l\u00e0 m\u1ed9t c\u00f4ng vi\u1ec7c c\u0169ng r\u1ea5t quan tr\u1ecdng tr\u01b0\u1edbc khi b\u1eaft tay v\u00e0o vi\u1ec7c thi c\u00f4ng C\u1ea7n t\u00ednh to\u00e1n \u0111\u1ec3 l\u1ef1a ch\u1ecdn thi\u1ebft k\u1ebf lo\u1ea1i m\u00f3ng b\u0103ng n\u00e0o cho ph\u00f9 h\u1ee3p nh\u1ea5t. N\u00ean s\u1eed d\u1ee5ng: m\u00f3ng c\u1ee9ng, m\u00f3ng m\u1ec1m hay m\u00f3ng k\u1ebft h\u1ee3p s\u1ebd ph\u1ee5 thu\u1ed9c v\u00e0o chi\u1ec1u s\u00e2u c\u1ee7a \u0111\u1ea5t \u0111\u1eb7t m\u00f3ng.<\/p>\n
C\u1ea7n t\u00ednh to\u00e1n \u0111\u1ec3 l\u1ef1a ch\u1ecdn thi\u1ebft k\u1ebf lo\u1ea1i m\u00f3ng b\u0103ng n\u00e0o cho ph\u00f9 h\u1ee3p nh\u1ea5t<\/figcaption><\/figure>\n\n- Tr\u01b0\u1eddng h\u1ee3p 1: Chi\u1ec1u s\u00e2u \u0111\u1eb7t m\u00f3ng l\u1edbn th\u00ec d\u00f9ng m\u00f3ng b\u0103ng m\u1ec1m. T\u00e1c d\u1ee5ng l\u00e0 \u0111\u1ec3 gi\u1ea3m \u0111\u01b0\u1ee3c chi\u1ec1u s\u00e2u khi \u0111\u1eb7t m\u00f3ng. Vi\u1ec7c n\u00e0y gi\u00fap ti\u1ebft ki\u1ec7m chi ph\u00ed khi thi c\u00f4ng.<\/li>\n
- Tr\u01b0\u1eddng h\u1ee3p 2: Chi\u1ec1u s\u00e2u \u0111\u1eb7t m\u00f3ng n\u00f4ng: D\u00f9ng m\u00f3ng b\u00ea t\u00f4ng c\u1ed1t th\u00e9p<\/li>\n
- Tr\u01b0\u1eddng h\u1ee3p 3: Khi m\u00f3ng c\u1ea7n c\u00f3 c\u01b0\u1eddng \u0111\u1ed9 cao th\u00ec n\u00ean d\u00f9ng m\u00f3ng b\u00ea t\u00f4ng c\u1ed1t th\u00e9p. \u0110\u1ebf m\u00f3ng l\u00e0 b\u00ea t\u00f4ng c\u1ed1t th\u00e9p th\u00ec h\u1ea7u h\u1ebft nh\u00e0 \u0111\u1ec1u l\u00e0m b\u1eb1ng khung, c\u1ed9t b\u00ea t\u00f4ng c\u1ed1t th\u00e9p.<\/li>\n
- \u0110\u1ed1i v\u1edbi nh\u00e0 c\u00f3 t\u1ea7ng h\u1ea7m, m\u00f3ng b\u0103ng c\u00f2n c\u00f3 t\u00e1c d\u1ee5ng ch\u1eafn \u0111\u1ea5t, t\u1ea1o \u0111\u01b0\u1eddng h\u1ea7m. T\u01b0\u1eddng h\u1ea7m c\u00f3 th\u1ec3 n\u1eb1m d\u01b0\u1edbi m\u1eb7t \u0111\u1ea5t ho\u1eb7c m\u1ed9t ph\u1ea7n tr\u00ean m\u1eb7t \u0111\u1ea5t (g\u1ecdi l\u00e0 t\u1ea7ng b\u00e1n h\u1ea7m). Khi n\u00e0y, m\u00f3ng b\u0103ng c\u1ee7a t\u1ea7ng h\u1ea7m ph\u1ea3i \u0111\u1eb7t s\u00e2u h\u01a1n n\u1ec1n t\u1ea7ng h\u1ea7m m\u1ed9t kho\u1ea3ng > 0,4m v\u00e0 \u0111\u1ec9nh m\u00f3ng ph\u1ea3i n\u1eb1m d\u01b0\u1edbi s\u00e0n t\u1ea7ng h\u1ea7m.<\/li>\n
- Khi c\u00e1c h\u00e0ng c\u1ed9t ho\u1eb7c t\u01b0\u1eddng theo c\u1ea3 hai ph\u01b0\u01a1ng th\u00ec d\u1ea3i m\u00f3ng b\u0103ng giao nhau c\u00f3 d\u1ea1ng \u00f4 c\u1edd tr\u00ean m\u1eb7t b\u1eb1ng. M\u00f3ng b\u0103ng \u1edf h\u1ed3i nh\u00e0 th\u01b0\u1eddng d\u00f9ng ph\u1ea3i t\u1ed1t h\u01a1n m\u00f3ng b\u0103ng d\u1ecdc nh\u00e0, m\u00f3ng b\u0103ng t\u01b0\u1eddng ng\u0103n. \u0110\u00e1y m\u00f3ng th\u01b0\u1eddng \u0111\u01b0\u1ee3c \u0111\u1eb7t \u1edf c\u00f9ng chi\u1ec1u s\u00e2u n\u00ean m\u00f3ng b\u0103ng \u1edf h\u1ed3i nh\u00e0 th\u01b0\u1eddng r\u1ed9ng h\u01a1n.<\/li>\n<\/ul>\n
Tham kh\u1ea3o th\u00eam:\u00a0T\u1ee9 b\u1ea5t t\u01b0\u1ee3ng l\u00e0 g\u00ec ? C\u00f9ng t\u00ecm hi\u1ec3u \u00fd ngh\u0129a phong th\u1ee7y c\u1ee7a t\u1ee9 b\u1ea5t t\u01b0\u1ee3ng<\/em><\/p>\n<\/span>Quy tr\u00ecnh thi c\u00f4ng ti\u00eau chu\u1ea9n<\/strong><\/span><\/h2>\n\u0110\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c \u0111\u1ed9 ch\u00ednh x\u00e1c, \u1ed5n \u0111\u1ecbnh cho k\u1ebft c\u1ea5u th\u00ec qu\u00e1 tr\u00ecnh thi c\u00f4ng m\u00f3ng b\u0103ng s\u1ebd bao g\u1ed3m c\u00e1c b\u01b0\u1edbc sau \u0111\u00e2y<\/p>\n
C\u1ea7n tu\u00e2n th\u1ee7 c\u00e1c b\u01b0\u1edbc \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o m\u00f3ng \u0111\u00fang k\u0129 thu\u1eadt<\/figcaption><\/figure>\n<\/span>B\u01b0\u1edbc 1: Chu\u1ea9n b\u1ecb m\u1eb7t b\u1eb1ng v\u00e0 nguy\u00ean v\u1eadt li\u1ec7u<\/strong><\/span><\/h3>\n\u0110\u00e2y l\u00e0 c\u00f4ng t\u00e1c \u0111\u1ea7u ti\u00ean c\u1ea7n chu\u1ea9n b\u1ecb cho m\u1ecdi c\u00f4ng tr\u00ecnh. Vi\u1ec7c gi\u1ea3i ph\u00f3ng m\u1eb7t b\u1eb1ng \u0111\u01b0\u1ee3c g\u1ecdn g\u00e0ng s\u1ebd cho b\u1ea1n bi\u1ebft \u0111\u01b0\u1ee3c v\u1ecb tr\u00ed c\u1ea7n \u0111\u00f3ng c\u1ecdc v\u00e0 v\u1ecb tr\u00ed c\u1ea7n t\u1ea1o m\u00f3ng b\u0103ng.<\/p>\n
Nguy\u00ean v\u1eadt li\u1ec7u c\u1ea7n chu\u1ea9n b\u1ecb s\u1ebd bao g\u1ed3m: xi m\u0103ng, th\u00e9p, c\u00e1t, \u0111\u00e1 \u2026 S\u1ed1 l\u01b0\u1ee3ng m\u1ed7i lo\u1ea1i chu\u1ea9n b\u1ecb s\u1ebd \u0111\u01b0\u1ee3c t\u00ednh to\u00e1n theo thi\u1ebft k\u1ebf m\u00f3ng b\u0103ng v\u00e0 kh\u1ed1i l\u01b0\u1ee3ng v\u1eadt t\u01b0 thi c\u00f4ng c\u1ee7a c\u00f4ng tr\u00ecnh.<\/p>\n
<\/span>B\u01b0\u1edbc 2: \u0110\u00e0o \u0111\u1ea5t h\u1ed1 m\u00f3ng theo b\u1ea3n v\u1ebd v\u00e0 l\u00e0m ph\u1eb3ng m\u1eb7t h\u1ed1<\/strong><\/span><\/h3>\nTr\u01b0\u1edbc khi ti\u1ebfn h\u00e0nh \u0111\u00e0o m\u00f3ng c\u1ea7n c\u1eafm m\u1ed1c v\u00e0 d\u00f9ng c\u00e1c thi\u1ebft b\u1ecb k\u0129 thu\u1eadt \u0111\u1ec3\u00a0gi\u00e1c m\u00f3ng\u00a0m\u1ed9t c\u00e1ch chu\u1ea9n x\u00e1c nh\u1ea5t. T\u00f9y t\u1eebng c\u00f4ng tr\u00ecnh c\u00f3 \u0111\u1ed9 l\u1edbn hay nh\u1ecf m\u00e0 c\u1ea7n ch\u1ec9 \u0111\u1ea1o \u0111\u00e0o h\u1ed1 m\u00f3ng v\u1edbi \u0111\u1ed9 s\u00e2u th\u00edch h\u1ee3p. Ch\u00fa \u00fd kh\u00f4ng n\u00ean \u0111\u00e0o qu\u00e1 s\u00e2u ho\u1eb7c qu\u00e1 n\u00f4ng. Ngo\u00e0i ra ph\u1ea3i \u0111\u1ea3m b\u1ea3o k\u00edch th\u01b0\u1edbc m\u00f3ng \u0111\u1ea1t ti\u00eau chu\u1ea9n, ph\u00f9 h\u1ee3p v\u1edbi chi\u1ec1u r\u1ed9ng 1,5m.<\/p>\n
Ti\u1ebfp \u0111\u1ebfn l\u00e0 c\u00f4ng t\u00e1c l\u00e0m ph\u1eb3ng m\u1eb7t h\u1ed1. \u0110\u00e2y l\u00e0 c\u00f4ng \u0111o\u1ea1n ch\u1ec9nh s\u1eeda l\u1ea1i h\u1ed1 m\u00f3ng g\u1ecdn g\u00e0ng v\u00e0 b\u1eb1ng ph\u1eb3ng h\u01a1n. \u0110i\u1ec1u n\u00e0y gi\u00fap cho c\u00e1c b\u01b0\u1edbc ti\u1ebfp theo c\u00f3 th\u1ec3 th\u1ef1c hi\u1ec7n m\u1ed9t c\u00e1ch thu\u1eadn ti\u1ec7n v\u00e0 nhanh ch\u00f3ng.<\/p>\n