{"id":13010,"date":"2014-05-26T10:07:42","date_gmt":"2014-05-26T03:07:42","guid":{"rendered":"http:\/\/vafs.gov.vn\/vn\/?p=13010"},"modified":"2014-05-26T10:12:26","modified_gmt":"2014-05-26T03:12:26","slug":"bao-cao-tom-tat-de-tai-nghien-cuu-cong-nghe-tan-dung-vo-hat-dieu-san-xuat-van-dam-quy-mo-vua-va-nho","status":"publish","type":"post","link":"https:\/\/vafs.gov.vn\/vn\/bao-cao-tom-tat-de-tai-nghien-cuu-cong-nghe-tan-dung-vo-hat-dieu-san-xuat-van-dam-quy-mo-vua-va-nho\/","title":{"rendered":"B\u00e1o c\u00e1o t\u00f3m t\u1eaft \u0111\u1ec1 t\u00e0i: Nghi\u00ean c\u1ee9u c\u00f4ng ngh\u1ec7 t\u1eadn d\u1ee5ng v\u1ecf h\u1ea1t \u0111i\u1ec1u s\u1ea3n xu\u1ea5t v\u00e1n d\u0103m quy m\u00f4 v\u1eeba v\u00e0 nh\u1ecf"},"content":{"rendered":"

1. M\u1ede \u0110\u1ea6U<\/b><\/p>\n

Trong c\u00e1c lo\u1ea1i h\u00ecnh v\u00e1n nh\u00e2n t\u1ea1o, v\u00e1n d\u0103m c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng \u0111a d\u1ea1ng ngu\u1ed3n nguy\u00ean li\u1ec7u, t\u1eeb g\u1ed7 t\u1ec9a th\u01b0a \u0111\u01b0\u1eddng k\u00ednh nh\u1ecf cho \u0111\u1ebfn g\u1ed7 ph\u1ebf li\u1ec7u nh\u01b0 c\u00e0nh ng\u1ecdn, b\u00eca b\u1eafp, \u0111\u1ea7u m\u1ea9u…. . Do \u0111\u00f3, c\u00e1c c\u01a1 s\u1edf s\u1ea3n xu\u1ea5t v\u00e1n d\u0103m quy m\u00f4 v\u1eeba v\u00e0 nh\u1ecf \u1edf n\u01b0\u1edbc ta \u0111\u00e3 t\u0103ng nhanh v\u1ec1 s\u1ed1 l\u01b0\u1ee3ng \u0111\u1ec3 s\u1ea3n xu\u1ea5t s\u1ea3n ph\u1ea9m \u0111\u00e1p \u1ee9ng c\u00e1c nhu c\u1ea7u s\u1eed d\u1ee5ng v\u00e1n d\u0103m c\u1ee7a x\u00e3 h\u1ed9i.<\/p>\n

M\u1eb7c d\u00f9, s\u1ea3n l\u01b0\u1ee3ng v\u00e1n d\u0103m s\u1ea3n xu\u1ea5t trong n\u01b0\u1edbc ng\u00e0y c\u00e0ng t\u0103ng song c\u0169ng kh\u00f4ng \u0111\u00e1p \u1ee9ng \u0111\u1ee7 nhu c\u1ea7u s\u1eed d\u1ee5ng. H\u00e0ng n\u0103m n\u01b0\u1edbc ta v\u1eabn ph\u1ea3i nh\u1eadp kh\u1ea9u kh\u1ed1i l\u01b0\u1ee3ng l\u1edbn g\u1ed7 v\u00e0 c\u00e1c s\u1ea3n ph\u1ea9m t\u1eeb g\u1ed7 trong \u0111\u00f3 c\u00f3 v\u00e1n d\u0103m.<\/p>\n

Ngu\u1ed3n nguy\u00ean li\u1ec7u th\u1ef1c v\u1eadt d\u1ea1ng x\u01a1 s\u1ee3i r\u1ea5t \u0111\u00e1ng ch\u00fa \u00fd \u1edf n\u01b0\u1edbc ta hi\u1ec7n nay l\u00e0 v\u1ecf h\u1ea1t \u0110i\u1ec1u (VH\u0110).<\/p>\n

Ngo\u00e0i vi\u1ec7c t\u1eadn thu VH\u0110 \u0111ang l\u00e0m \u00f4 nhi\u1ec5m t\u1ea1i c\u00e1c nh\u00e0 m\u00e1y ch\u1ebf bi\u1ebfn h\u1ea1t \u0111i\u1ec1u, n\u00f3 c\u00f2n c\u00f3 kh\u1ea3 n\u0103ng t\u1ea1o ra m\u1ed9t lo\u1ea1i h\u00ecnh v\u00e1n d\u0103m m\u1edbi, g\u00f3p ph\u1ea7n l\u00e0m \u0111a d\u1ea1ng h\u00f3a s\u1ea3n ph\u1ea9m v\u00e1n nh\u00e2n t\u1ea1o ph\u1ee5c v\u1ee5 nhu c\u1ea7u s\u1eed d\u1ee5ng c\u1ee7a x\u00e3 h\u1ed9i. Ch\u00ednh v\u00ec v\u1eady, Vi\u1ec7n Khoa h\u1ecdc L\u00e2m nghi\u1ec7p Vi\u1ec7t Nam \u0111\u01b0\u1ee3c giao th\u1ef1c hi\u1ec7n \u0111\u1ec1 t\u00e0i \u0111\u1ed9c l\u1eadp c\u1ea5p Nh\u00e0 n\u01b0\u1edbc: \u201cNghi\u00ean c\u1ee9u c\u00f4ng ngh\u1ec7 t\u1eadn d\u1ee5ng v\u1ecf h\u1ea1t \u0111i\u1ec1u s\u1ea3n xu\u1ea5t v\u00e1n d\u0103m quy m\u00f4 v\u1eeba v\u00e0 nh\u1ecf\u201d.<\/b> <\/b><\/p>\n

\"vandam<\/a><\/p>\n

2. N\u1ed8I DUNG V\u00c0 PH\u01af\u01a0NG PH\u00c1P NGHI\u00caN C\u1ee8U<\/b><\/p>\n

2.1. N\u1ed9i dung nghi\u00ean c\u1ee9u<\/b><\/p>\n

N\u1ed9i dung 1:<\/span><\/b> \u0110i\u1ec1u tra, kh\u1ea3o s\u00e1t hi\u1ec7n tr\u1ea1ng s\u1ea3n xu\u1ea5t v\u00e0 ch\u1ebf bi\u1ebfn h\u1ea1t \u0111i\u1ec1u \u1edf n\u01b0\u1edbc ta:<\/b><\/p>\n

N\u1ed9i dung 2:<\/span><\/b> Nghi\u00ean c\u1ee9u c\u00f4ng ngh\u1ec7 t\u1ea1o v\u00e1n d\u0103m t\u1eeb v\u1ecf h\u1ea1t \u0111i\u1ec1u<\/b><\/p>\n

N\u1ed9i dung 3:<\/span><\/b> Nghi\u00ean c\u1ee9u th\u00f4ng s\u1ed1 c\u00f4ng ngh\u1ec7 t\u1ea1o v\u00e1n d\u0103m 3 l\u1edbp t\u1eeb nguy\u00ean li\u1ec7u d\u0103m g\u1ed7 v\u00e0 d\u0103m v\u1ecf h\u1ea1t \u0111i\u1ec1u<\/b><\/p>\n

N\u1ed9i dung 4: Nghi\u00ean c\u1ee9u th\u1ef1c nghi\u1ec7m x\u00e2y d\u1ef1ng quy tr\u00ecnh c\u00f4ng ngh\u1ec7 s\u1ea3n xu\u1ea5t v\u00e1n d\u0103m t\u1eeb v\u1ecf h\u1ea1t \u0111i\u1ec1u v\u00e0 g\u1ed7<\/b><\/p>\n

– Kh\u1ea3o nghi\u1ec7m c\u00e1c th\u00f4ng s\u1ed1 c\u00f4ng ngh\u1ec7 t\u1ea1o v\u00e1n d\u0103m<\/p>\n

– X\u00e2y d\u1ef1ng quy tr\u00ecnh c\u00f4ng ngh\u1ec7 s\u1ea3n xu\u1ea5t v\u00e1n d\u0103m.<\/p>\n

N\u1ed9i dung 5: Ki\u1ec3m tra, \u0111\u00e1nh gi\u00e1 ch\u1ea5t l\u01b0\u1ee3ng v\u00e1n<\/b><\/p>\n

2.2. Ph\u01b0\u01a1ng ph\u00e1p nghi\u00ean c\u1ee9u<\/b><\/p>\n

Xu\u1ea5t ph\u00e1t t\u1eeb t\u00ecnh h\u00ecnh th\u1ef1c ti\u1ec5n s\u1ea3n xu\u1ea5t v\u00e1n d\u0103m quy m\u00f4 nh\u1ecf v\u00e0 \u0111\u1eb7c \u0111i\u1ec3m nguy\u00ean li\u1ec7u d\u00f9ng trong nghi\u00ean c\u1ee9u, \u0111\u1ec3 th\u1ef1c hi\u1ec7n c\u00e1c n\u1ed9i dung nghi\u00ean c\u1ee9u, \u0111\u1ec1 t\u00e0i\u00a0 s\u1eed d\u1ee5ng c\u00e1c ph\u01b0\u01a1ng ph\u00e1p c\u01a1 b\u1ea3n sau:<\/p>\n

–\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Ph\u01b0\u01a1ng ph\u00e1p chuy\u00ean gia: \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng khi \u0111i\u1ec1u tra, kh\u1ea3o s\u00e1t nghi\u00ean c\u1ee9u v\u1ec1 hi\u1ec7n tr\u1ea1ng ch\u1ebf bi\u1ebfn h\u1ea1t \u0111i\u1ec1u, t\u00ecnh h\u00ecnh s\u1ea3n xu\u1ea5t\u00a0 v\u00e1n d\u0103m.<\/p>\n

–\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Ph\u01b0\u01a1ng ph\u00e1p th\u1ef1c nghi\u1ec7m: L\u00e0 ph\u01b0\u01a1ng ph\u00e1p ch\u00ednh \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 th\u1ef1c hi\u1ec7n c\u00e1c n\u1ed9i dung nghi\u00ean c\u1ee9u.<\/p>\n

3. K\u1ebeT QU\u1ea2 NGHI\u00caN C\u1ee8U\u00a0 V\u00c0 TH\u1ea2O LU\u1eacN<\/b><\/p>\n

3.1. K\u1ebft qu\u1ea3 nghi\u00ean c\u1ee9u c\u00f4ng ngh\u1ec7 s\u1ea3n xu\u1ea5t v\u00e1n d\u0103m 3 l\u1edbp t\u1eeb nguy\u00ean li\u1ec7u d\u0103m g\u1ed7 v\u00e0 d\u0103m v\u1ecf h\u1ea1t \u0111i\u1ec1u<\/b>\u00a0 <\/b><\/p>\n

B\u1ea3ng 3.1. K\u1ebft qu\u1ea3 x\u00e1c \u0111\u1ecbnh kh\u1ed1i l\u01b0\u00ad\u1ee3ng th\u1ec3 t\u00edch v\u00e1n d\u0103m k\u1ebft h\u1ee3p l\u1edbp l\u00f5i v\u1ecf h\u1ea1t \u0111i\u1ec1u \u2013 g\u1ed7 theo c\u00e1c t\u1ef7 l\u1ec7 kh\u00e1c nhau:<\/b><\/p>\n\n\n\n\n\n\n\n\n
\n

TT<\/p>\n<\/td>\n

\n

T\u1ef7 l\u1ec7 pha tr\u1ed9n<\/p>\n<\/td>\n

\n

Kh\u1ed1i l\u01b0\u1ee3ng th\u1ec3 t\u00edch sau khi \u00e9p (g\/cm3<\/sup>)<\/p>\n<\/td>\n<\/tr>\n

\n

Keo<\/p>\n<\/td>\n

\n

B\u1ea1ch \u0111\u00e0n<\/p>\n<\/td>\n

\n

Tr\u00e0m<\/p>\n<\/td>\n<\/tr>\n

\n

1<\/p>\n<\/td>\n

\n

G1:1<\/p>\n<\/td>\n

\n

0.69<\/p>\n<\/td>\n

\n

0.71<\/p>\n<\/td>\n

\n

0.71<\/p>\n<\/td>\n<\/tr>\n

\n

2<\/p>\n<\/td>\n

\n

G2:1<\/p>\n<\/td>\n

\n

0.70<\/p>\n<\/td>\n

\n

0.71<\/p>\n<\/td>\n

\n

0.72<\/p>\n<\/td>\n<\/tr>\n

\n

3<\/p>\n<\/td>\n

\n

G3:1<\/p>\n<\/td>\n

\n

0.70<\/p>\n<\/td>\n

\n

0.70<\/p>\n<\/td>\n

\n

0.70<\/p>\n<\/td>\n<\/tr>\n

\n

4<\/p>\n<\/td>\n

\n

G4:1<\/p>\n<\/td>\n

\n

0.70<\/p>\n<\/td>\n

\n

0.72<\/p>\n<\/td>\n

\n

0.70<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Trong \u0111\u00f3: G1:1; G2:1; G3:1; G4:1 l\u00e0 t\u1ef7 l\u1ec7 pha tr\u1ed9n d\u0103m v\u1ecf h\u1ea1t \u0111i\u1ec1u v\u00e0 d\u0103m g\u1ed7 \u1edf l\u1edbp gi\u1eefa v\u1edbi c\u00e1c t\u1ef7 l\u1ec7 l\u00e0 1:1; 2:1; 3:1; 4:1.<\/p>\n

Nh\u1eadn x\u00e9t:<\/span><\/b><\/p>\n

Kh\u1ed1i l\u01b0\u1ee3ng th\u1ec3 t\u00edch c\u1ee7a v\u00e1n t\u01b0\u01a1ng \u0111\u1ed1i \u1ed5n \u0111\u1ecbnh trong t\u1ea5t c\u1ea3 c\u00e1c th\u00ed nghi\u1ec7m, sai s\u1ed1 kh\u00f4ng nhi\u1ec1u so v\u1edbi \u0111\u1ecbnh l\u01b0\u1ee3ng c\u1ea7n t\u1ea1o v\u00e1n.<\/p>\n

B\u1ea3ng 3.2. K\u1ebft qu\u1ea3 x\u00e1c \u0111\u1ecbnh d\u00e3n n\u1edf theo chi\u1ec1u d\u00e0y v\u00e1n d\u0103m v\u1ecf h\u1ea1t \u0111i\u1ec1u \u2013 g\u1ed7 theo c\u00e1c t\u1ef7 l\u1ec7 kh\u00e1c nhau:<\/b><\/p>\n\n\n\n\n\n\n\n\n
\n

TT<\/p>\n<\/td>\n

\n

T\u1ef7 l\u1ec7 pha tr\u1ed9n<\/p>\n<\/td>\n

\n

D\u00e3n n\u1edf C.D\u00e0y (%)<\/p>\n<\/td>\n<\/tr>\n

\n

Keo<\/p>\n<\/td>\n

\n

B\u1ea1ch \u0111\u00e0n<\/p>\n<\/td>\n

\n

Tr\u00e0m<\/p>\n<\/td>\n<\/tr>\n

\n

1<\/p>\n<\/td>\n

\n

M\u0111c<\/sub><\/p>\n<\/td>\n

\n

18.48<\/p>\n<\/td>\n

\n

15.32<\/p>\n<\/td>\n

\n

7.58<\/p>\n<\/td>\n<\/tr>\n

\n

2<\/p>\n<\/td>\n

\n

1:1<\/p>\n<\/td>\n

\n

17.65<\/p>\n<\/td>\n

\n

12.08<\/p>\n<\/td>\n

\n

13.48<\/p>\n<\/td>\n<\/tr>\n

\n

3<\/p>\n<\/td>\n

\n

2:1<\/p>\n<\/td>\n

\n

18.07<\/p>\n<\/td>\n

\n

17.32<\/p>\n<\/td>\n

\n

22.95<\/p>\n<\/td>\n<\/tr>\n

\n

4<\/p>\n<\/td>\n

\n

3:1<\/p>\n<\/td>\n

\n

22.41<\/p>\n<\/td>\n

\n

20.63<\/p>\n<\/td>\n

\n

23.69<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

B\u1ea3ng 3.3. K\u1ebft qu\u1ea3 x\u00e1c \u0111\u1ecbnh \u0111\u1ed9 b\u1ec1n u\u1ed7n t\u0129nh (MOR) <\/b><\/p>\n\n\n\n\n\n\n\n\n
\n

TT<\/p>\n<\/td>\n

\n

T\u1ef7 l\u1ec7 pha tr\u1ed9n<\/p>\n<\/td>\n

\n

MOR (MPa)<\/p>\n<\/td>\n<\/tr>\n

\n

Keo<\/p>\n<\/td>\n

\n

B\u1ea1ch \u0111\u00e0n<\/p>\n<\/td>\n

\n

Tr\u00e0m<\/p>\n<\/td>\n<\/tr>\n

\n

1<\/p>\n<\/td>\n

\n

V\u00e1n \u0111\u1ed1i ch\u1ee9ng<\/p>\n<\/td>\n

\n

15.17<\/p>\n<\/td>\n

\n

17.99<\/p>\n<\/td>\n

\n

15.73<\/p>\n<\/td>\n<\/tr>\n

\n

2<\/p>\n<\/td>\n

\n

1:1<\/p>\n<\/td>\n

\n

5.77<\/p>\n<\/td>\n

\n

6.01<\/p>\n<\/td>\n

\n

5.07<\/p>\n<\/td>\n<\/tr>\n

\n

3<\/p>\n<\/td>\n

\n

2:1<\/p>\n<\/td>\n

\n

2.44<\/p>\n<\/td>\n

\n

4.31<\/p>\n<\/td>\n

\n

2.76<\/p>\n<\/td>\n<\/tr>\n

\n

4<\/p>\n<\/td>\n

\n

3:1<\/p>\n<\/td>\n

\n

2.14<\/p>\n<\/td>\n

\n

2.23<\/p>\n<\/td>\n

\n

1.99<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

 <\/p>\n

B\u1ea3ng 3.4. K\u1ebft qu\u1ea3 x\u00e1c \u0111\u1ecbnh \u0111\u1ed9 b\u1ec1n u\u1ed7n t\u0129nh (MOR) <\/b><\/p>\n\n\n\n\n\n\n\n\n
\n

TT<\/p>\n<\/td>\n

\n

T\u1ef7 l\u1ec7 pha tr\u1ed9n<\/p>\n<\/td>\n

\n

MOR (MPa)<\/p>\n<\/td>\n<\/tr>\n

\n

Keo<\/p>\n<\/td>\n

\n

B\u1ea1ch \u0111\u00e0n<\/p>\n<\/td>\n

\n

Tr\u00e0m<\/p>\n<\/td>\n<\/tr>\n

\n

1<\/p>\n<\/td>\n

\n

G1:1<\/p>\n<\/td>\n

\n

11.32<\/p>\n<\/td>\n

\n

12.34<\/p>\n<\/td>\n

\n

12.01<\/p>\n<\/td>\n<\/tr>\n

\n

2<\/p>\n<\/td>\n

\n

G2:1<\/p>\n<\/td>\n

\n

10.83<\/p>\n<\/td>\n

\n

11.91<\/p>\n<\/td>\n

\n

11.73<\/p>\n<\/td>\n<\/tr>\n

\n

3<\/p>\n<\/td>\n

\n

G3:1<\/p>\n<\/td>\n

\n

10.15<\/p>\n<\/td>\n

\n

11.76<\/p>\n<\/td>\n

\n

11.58<\/p>\n<\/td>\n<\/tr>\n

\n

4<\/p>\n<\/td>\n

\n

G4:1<\/p>\n<\/td>\n

\n

9.86<\/p>\n<\/td>\n

\n

10.93<\/p>\n<\/td>\n

\n

10.08<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Trong \u0111\u00f3: G1:1; G2:1; G3:1; G4:1 l\u00e0 t\u1ef7 l\u1ec7 pha tr\u1ed9n d\u0103m v\u1ecf h\u1ea1t \u0111i\u1ec1u v\u00e0 d\u0103m g\u1ed7 \u1edf l\u1edbp gi\u1eefa v\u1edbi c\u00e1c t\u1ef7 l\u1ec7 l\u00e0 1:1; 2:1; 3:1; 4:1<\/p>\n

Nh\u1eadn x\u00e9t:<\/span><\/b><\/p>\n

\u0110\u1ed9 b\u1ec1n u\u1ed1n t\u0129nh c\u1ee7a v\u00e1n d\u0103m \u0111\u1ed1i ch\u1ee9ng g\u1ed7 B\u1ea1ch \u0111\u00e0n l\u00e0 l\u1edbn nh\u1ea5t \u0111\u1ea1t 17.99 Mpa, sau \u0111\u00f3 l\u00e0 g\u1ed7 tr\u00e0m l\u00e0 15.73 MPa v\u00e0 \u0111\u1ed9 b\u1ec1n u\u1ed1n t\u0129nh l\u00e0 th\u1ea5p nh\u1ea5t l\u00e0 g\u1ed7 keo \u0111\u1ea1t 15.17 MPa.<\/p>\n

B\u1ea3ng 3.5. K\u1ebft qu\u1ea3 x\u00e1c \u0111\u1ecbnh \u0111\u1ed9 b\u1ec1n k\u00e9o vu\u00f4ng g\u00f3c (IB) v\u00e1n d\u0103m v\u1ecf h\u1ea1t \u0111i\u1ec1u \u2013 g\u1ed7 theo c\u00e1c t\u1ef7 l\u1ec7 kh\u00e1c nhau:<\/b><\/p>\n\n\n\n\n\n\n\n\n
\n

TT<\/p>\n<\/td>\n

\n

T\u1ef7 l\u1ec7 pha tr\u1ed9n<\/p>\n<\/td>\n

\n

IB (MPa)<\/p>\n<\/td>\n<\/tr>\n

\n

Keo<\/p>\n<\/td>\n

\n

B\u1ea1ch \u0111\u00e0n<\/p>\n<\/td>\n

\n

Tr\u00e0m<\/p>\n<\/td>\n<\/tr>\n

\n

1<\/p>\n<\/td>\n

\n

V\u00e1n \u0111\u1ed1i ch\u1ee9ng<\/p>\n<\/td>\n

\n

0.43<\/p>\n<\/td>\n

\n

0.35<\/p>\n<\/td>\n

\n

0.40<\/p>\n<\/td>\n<\/tr>\n

\n

2<\/p>\n<\/td>\n

\n

1:1<\/p>\n<\/td>\n

\n

0.26<\/p>\n<\/td>\n

\n

0.24<\/p>\n<\/td>\n

\n

0.28<\/p>\n<\/td>\n<\/tr>\n

\n

3<\/p>\n<\/td>\n

\n

2:1<\/p>\n<\/td>\n

\n

0.19<\/p>\n<\/td>\n

\n

0.18<\/p>\n<\/td>\n

\n

0.16<\/p>\n<\/td>\n<\/tr>\n

\n

4<\/p>\n<\/td>\n

\n

3:1<\/p>\n<\/td>\n

\n

0.18<\/p>\n<\/td>\n

\n

0.17<\/p>\n<\/td>\n

\n

0.17<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

 <\/p>\n

B\u1ea3ng 3.6. K\u1ebft qu\u1ea3 x\u00e1c \u0111\u1ecbnh \u0111\u1ed9 b\u1ec1n k\u00e9o vu\u00f4ng g\u00f3c (IB) v\u00e1n d\u0103m k\u1ebft h\u1ee3p l\u1edbp l\u00f5i v\u1ecf h\u1ea1t \u0111i\u1ec1u \u2013 g\u1ed7 theo c\u00e1c t\u1ef7 l\u1ec7 kh\u00e1c nhau<\/b><\/p>\n\n\n\n\n\n\n\n\n
\n

TT<\/p>\n<\/td>\n

\n

T\u1ef7 l\u1ec7 pha tr\u1ed9n<\/p>\n<\/td>\n

\n

IB (MPa)<\/p>\n<\/td>\n<\/tr>\n

\n

Keo<\/p>\n<\/td>\n

\n

B\u1ea1ch \u0111\u00e0n<\/p>\n<\/td>\n

\n

Tr\u00e0m<\/p>\n<\/td>\n<\/tr>\n

\n

1<\/p>\n<\/td>\n

\n

G1:1<\/p>\n<\/td>\n

\n

0.25<\/p>\n<\/td>\n

\n

0.40<\/p>\n<\/td>\n

\n

0.36<\/p>\n<\/td>\n<\/tr>\n

\n

2<\/p>\n<\/td>\n

\n

G2:1<\/p>\n<\/td>\n

\n

0.22<\/p>\n<\/td>\n

\n

0.36<\/p>\n<\/td>\n

\n

0.31<\/p>\n<\/td>\n<\/tr>\n

\n

3<\/p>\n<\/td>\n

\n

G3:1<\/p>\n<\/td>\n

\n

0.24<\/p>\n<\/td>\n

\n

0.34<\/p>\n<\/td>\n

\n

0.35<\/p>\n<\/td>\n<\/tr>\n

\n

4<\/p>\n<\/td>\n

\n

G4:1<\/p>\n<\/td>\n

\n

0.23<\/p>\n<\/td>\n

\n

0.26<\/p>\n<\/td>\n

\n

0.30<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

 <\/p>\n

Nh\u1eadn x\u00e9t:<\/span><\/b><\/p>\n

C\u01b0\u1eddng \u0111\u1ed9 k\u00e9o vu\u00f4ng g\u00f3c c\u1ee7a v\u00e1n d\u0103m \u0111\u1ed1i ch\u1ee9ng g\u1ed7 Keo l\u00e0 l\u1edbn nh\u1ea5t \u0111\u1ea1t 0.43 MPa, sau \u0111\u00f3 l\u00e0 g\u1ed7 Tr\u00e0m l\u00e0 0.4 MPa v\u00e0 \u0111\u1ed9 b\u1ec1n u\u1ed1n t\u0129nh l\u00e0 th\u1ea5p nh\u1ea5t l\u00e0 g\u1ed7 B\u1ea1ch \u0110\u00e0n \u0111\u1ea1t 0.35 MPa.<\/p>\n

3.2. K\u1ebft qu\u1ea3 ki\u1ec3m tra \u0111\u00e1nh gi\u00e1 ch\u1ea5t l\u01b0\u1ee3ng v\u00e1n \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t t\u1ea1i d\u00e2y chuy\u1ec1n <\/b><\/p>\n

V\u1edbi \u0111\u1eb7c th\u00f9 v\u00f9ng nguy\u00ean li\u1ec7u v\u1ecf h\u1ea1t \u0111i\u1ec1u ch\u1ee7 y\u1ebfu t\u1eadp trung \u1edf ph\u00eda Nam, hi\u1ec7n t\u1ea1i r\u1eebng tr\u00e0m ta, b\u1ea1ch \u0111\u00e0n t\u1ea1i c\u00e1c t\u1ec9nh \u0111\u1ed3ng b\u1eb1ng s\u00f4ng C\u1eedu Long \u0111ang c\u1ea7n c\u00f3 nghi\u00ean c\u1ee9u s\u1eed d\u1ee5ng. V\u00ec v\u1eady \u0111\u1ec1 t\u00e0i\u00a0 t\u1eadp trung nghi\u00ean c\u1ee9u s\u1ea3n xu\u1ea5t th\u1eed nghi\u1ec7m\u00a0 v\u1edbi c\u00e1c nguy\u00ean li\u1ec7u v\u1ecf h\u1ea1t \u0111i\u1ec1u v\u00e0 d\u0103m g\u1ed7 b\u1ea1ch \u0111\u00e0n v\u00e0 tr\u00e0m c\u1eeb.<\/p>\n

B\u1ea3ng 1: T\u1ed5ng h\u1ee3p k\u1ebft qu\u1ea3 x\u00e1c \u0111\u1ecbnh M\u00f4 \u0111un UT c\u1ee7a c\u00e1c lo\u1ea1i v\u00e1n th\u00ed nghi\u1ec7m<\/b><\/p>\n

\n\n\n\n\n\n
\n

TT<\/b><\/p>\n<\/td>\n

\n

Nh\u00f3m s\u1ea3n ph\u1ea9m<\/b><\/p>\n<\/td>\n

\n

Dung l\u01b0\u1ee3ng m\u1eabu<\/b><\/p>\n<\/td>\n

\n

Tr\u1ecb s\u1ed1 trung b\u00ecnh c\u1ed9ng\u00a0\u00a0 <\/b><\/p>\n<\/td>\n

\n

Tr\u1ecb s\u1ed1 sai qu\u00e2n ph\u01b0\u01a1ng <\/b><\/p>\n<\/td>\n

\n

Sai s\u1ed1 c\u1ee7a trung b\u00ecnh c\u1ed9ng<\/b><\/p>\n<\/td>\n

\n

H\u1ec7 s\u1ed1 bi\u1ebfn \u0111\u1ed9ng <\/b><\/p>\n<\/td>\n

\n

Ch\u1ec9 s\u1ed1 \u0111\u1ed9 ch\u00ednh x\u00e1c\u00a0 <\/b><\/p>\n<\/td>\n

\n

Tr\u1ecb s\u1ed1 l\u1edbn nh\u1ea5t<\/b><\/p>\n<\/td>\n

\n

Tr\u1ecb s\u1ed1 nh\u1ecf nh\u1ea5t<\/b><\/p>\n<\/td>\n<\/tr>\n

\n

1<\/p>\n<\/td>\n

V\u00e1n B\u0110<\/td>\n\n

28<\/p>\n<\/td>\n

\n

1845.6<\/p>\n<\/td>\n

\n

352.32<\/p>\n<\/td>\n

\n

66.58<\/p>\n<\/td>\n

\n

19.09<\/p>\n<\/td>\n

\n

3.61<\/p>\n<\/td>\n

\n

2731.86<\/p>\n<\/td>\n

\n

1344.80<\/p>\n<\/td>\n<\/tr>\n

\n

2<\/p>\n<\/td>\n

V\u00e1n TR<\/td>\n\n

35<\/p>\n<\/td>\n

\n

1899.4<\/p>\n<\/td>\n

\n

355.88<\/p>\n<\/td>\n

\n

60.15<\/p>\n<\/td>\n

\n

18.74<\/p>\n<\/td>\n

\n

3.17<\/p>\n<\/td>\n

\n

2694.60<\/p>\n<\/td>\n

\n

1442.72<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

 <\/p>\n

Ba\u0309ng 2: \u0110a\u0301nh gia\u0301 m\u00f4 \u0111un \u0111a\u0300n h\u00f4\u0300i khi u\u00f4\u0301n ti\u0303nh cu\u0309a 2 loa\u0323i va\u0301n d\u0103m so v\u01a1\u0301i ti\u00eau chu\u00e2\u0309n<\/b><\/p>\n

\n\n\n\n\n\n\n
\n

TT<\/b><\/p>\n<\/td>\n

\n

S\u1ea3n ph\u1ea9m<\/b><\/p>\n<\/td>\n

\n

Tr\u1ecb s\u1ed1 trung b\u00ecnh c\u1ed9ng (MPa)<\/b><\/p>\n<\/td>\n

\n

Ti\u00eau chu\u00e2\u0309n theo TCVN 7754:2007 (P2) (MPa)<\/b><\/p>\n<\/td>\n

\n

Ty\u0309 l\u00ea\u0323 % t\u0103ng\/gia\u0309m so v\u01a1\u0301i ti\u00eau chu\u00e2\u0309n <\/b><\/p>\n<\/td>\n

\n

\u0110a\u0301nh gia\u0301<\/b><\/p>\n<\/td>\n

<\/td>\n<\/tr>\n
<\/td>\n<\/tr>\n
\n

1<\/p>\n<\/td>\n

V\u00e1n B\u0110<\/td>\n\n

1845.6<\/p>\n<\/td>\n

\n

1600<\/p>\n<\/td>\n

\n

15.4<\/p>\n<\/td>\n

\n

V\u01b0\u01a1\u0323t so v\u01a1\u0301i m\u01b0\u0301c t\u00f4\u0301i thi\u00ea\u0309u TCVN 7754:2007 (P2)<\/p>\n<\/td>\n

<\/td>\n<\/tr>\n
\n

2<\/p>\n<\/td>\n

V\u00e1n TR<\/td>\n\n

1899.4<\/p>\n<\/td>\n

\n

18.7<\/p>\n<\/td>\n

\n

V\u01b0\u01a1\u0323t so v\u01a1\u0301i m\u01b0\u0301c t\u00f4\u0301i thi\u00ea\u0309u TCVN 7754:2007 (P2)<\/p>\n<\/td>\n

<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

Nh\u1eadn x\u00e9t:<\/span><\/b><\/p>\n

– K\u1ebft qu\u1ea3 thu \u0111\u01b0\u1ee3c v\u1edbi ch\u1ec9 s\u1ed1 \u0111\u1ed9 ch\u00ednh x\u00e1c d\u01b0\u01a1\u0301i 5 % l\u00e0 \u0111\u1ea3m b\u1ea3o theo quy \u0111\u1ecbnh.<\/p>\n

– V\u00e1n TR c\u00f3 m\u00f4 \u0111un \u0111\u00e0n h\u1ed3i cao h\u01a1n so v\u00e1n B\u0110. C\u1ee5 th\u1ec3 l\u00e0 v\u00e1n TR \u0111\u1ea1t gi\u00e1 tr\u1ecb trung b\u00ecnh c\u1ed9ng l\u00e0: 1899.4 MPa, v\u00e1n B\u0110 \u0111\u1ea1t gi\u00e1 tr\u1ecb 1845,6 MPa v\u00e0 qua so s\u00e1nh ta th\u1ea5y m\u00f4 \u0111un \u0111\u00e0n h\u1ed3i c\u1ee7a v\u00e1n B\u0110 ch\u1ec9 b\u1eb1ng 97.17 % so v\u1edbi v\u00e1n TR.<\/p>\n

Ba\u0309ng3: \u0110a\u0301nh gia\u0301 \u0111\u00f4\u0323 b\u00ea\u0300n u\u00f4\u0301n ti\u0303nh cu\u0309a 2 loa\u0323i va\u0301n d\u0103m so v\u01a1\u0301i ti\u00eau chu\u00e2\u0309n<\/b><\/p>\n\n\n\n\n\n\n
\n

TT<\/b><\/p>\n<\/td>\n

\n

S\u1ea3n ph\u1ea9m<\/b><\/p>\n<\/td>\n

\n

Tr\u1ecb s\u1ed1 trung b\u00ecnh c\u1ed9ng (MPa)<\/b><\/p>\n<\/td>\n

\n

Ti\u00eau chu\u00e2\u0309n theo TCVN 7754:2007 (P1) (MPa)<\/b><\/p>\n<\/td>\n

\n

Ty\u0309 l\u00ea\u0323 % t\u0103ng\/gia\u0309m so v\u01a1\u0301i ti\u00eau chu\u00e2\u0309n<\/b><\/p>\n<\/td>\n

\n

\u0110a\u0301nh gia\u0301<\/b><\/p>\n<\/td>\n

<\/td>\n<\/tr>\n
<\/td>\n<\/tr>\n
\n

1<\/p>\n<\/td>\n

V\u00e1n B\u0110<\/td>\n\n

11.6<\/p>\n<\/td>\n

\n

11.5<\/p>\n<\/td>\n

\n

0.9<\/p>\n<\/td>\n

\n

V\u01b0\u01a1\u0323t so v\u01a1\u0301i m\u01b0\u0301c t\u00f4\u0301i thi\u00ea\u0309u TCVN 7754:2007 (P1)<\/p>\n<\/td>\n

<\/td>\n<\/tr>\n
\n

2<\/p>\n<\/td>\n

V\u00e1n TR<\/td>\n\n

11.5<\/p>\n<\/td>\n

\n

0.0<\/p>\n<\/td>\n

\n

\u0110a\u0323t m\u01b0\u0301c t\u00f4\u0301i thi\u00ea\u0309u TCVN 7754:2007 (P1)<\/p>\n<\/td>\n

<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Nh\u1eadn x\u00e9t:<\/span><\/b><\/p>\n

– Ch\u1ec9 s\u1ed1 \u0111\u1ed9 ch\u00ednh x\u00e1c d\u01b0\u01a1\u0301i 5%, ch\u1ea5p nh\u1eadn \u0111\u01b0\u1ee3c theo quy \u0111\u1ecbnh.<\/p>\n

– \u0110\u1ed9 b\u1ec1n UT c\u1ee7a v\u00e1n B\u0110 cao h\u01a1n so v\u1edbi v\u00e1n TR. C\u1ee5 th\u1ec3 v\u00e1n B\u0110 \u0111\u1ea1t gi\u00e1 tr\u1ecb 11,6 MPa, v\u00e1n TR \u0111\u1ea1t 11,5 Mpa. <\/b><\/p>\n

Ba\u0309ng 4: \u0110a\u0301nh gia\u0301 \u0111\u00f4\u0323 ke\u0301o vu\u00f4ng go\u0301c cu\u0309a 2 loa\u0323i va\u0301n d\u0103m so v\u01a1\u0301i ti\u00eau chu\u00e2\u0309n<\/b><\/p>\n\n\n\n\n\n\n
\n

TT<\/b><\/p>\n<\/td>\n

\n

S\u1ea3n ph\u1ea9m<\/b><\/p>\n<\/td>\n

\n

Tr\u1ecb s\u1ed1 trung b\u00ecnh c\u1ed9ng (MPa)<\/b><\/p>\n<\/td>\n

\n

Ti\u00eau chu\u00e2\u0309n theo TCVN 7754:2007 (P1) (MPa)<\/b><\/p>\n<\/td>\n

\n

Ty\u0309 l\u00ea\u0323\u00a0 % t\u0103ng\/gia\u0309m so v\u01a1\u0301i ti\u00eau chu\u00e2\u0309n<\/b><\/p>\n<\/td>\n

\n

\u0110a\u0301nh gia\u0301<\/b><\/p>\n<\/td>\n

<\/td>\n<\/tr>\n
<\/td>\n<\/tr>\n
\n

1<\/p>\n<\/td>\n

V\u00e1n B\u0110<\/td>\n\n

0.39<\/p>\n<\/td>\n

\n

0.24<\/p>\n<\/td>\n

\n

60.9<\/p>\n<\/td>\n

\n

V\u01b0\u01a1\u0323t so v\u01a1\u0301i m\u01b0\u0301c t\u00f4\u0301i thi\u00ea\u0309u TCVN 7754:2007 (P1)<\/p>\n<\/td>\n

<\/td>\n<\/tr>\n
\n

2<\/p>\n<\/td>\n

V\u00e1n TR<\/td>\n\n

0.26<\/p>\n<\/td>\n

\n

6.7<\/p>\n<\/td>\n

\n

V\u01b0\u01a1\u0323t so v\u01a1\u0301i m\u01b0\u0301c t\u00f4\u0301i thi\u00ea\u0309u TCVN 7754:2007 (P1)<\/p>\n<\/td>\n

<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

NH\u1eadn x\u00e9t:<\/span><\/b><\/p>\n

– Ch\u1ec9 s\u1ed1 \u0111\u1ed9 ch\u00ednh xa\u0301c tr\u00ean 5% v\u01b0\u1ee3t qu\u00e1 quy \u0111\u1ecbnh.<\/p>\n

– \u0110\u1ed9 b\u1ec1n k\u00e9o vu\u00f4ng g\u00f3c c\u1ee7a v\u00e1n B\u0110 cao h\u01a1n (0,39 N\/mm2<\/sup>) so v\u1edbi v\u00e1n TR (0,26 N\/mm2<\/sup>).<\/p>\n

\u00a0 B\u1ea3ng 5: T\u1ed5ng h\u1ee3p k\u1ebft qu\u1ea3 x\u00e1c \u0111\u1ecbnh \u0111\u1ed9 l\u1ef1c b\u00e1m \u0111inh v\u00edt c\u1ee7a c\u00e1c lo\u1ea1i v\u00e1n th\u00ed nghi\u1ec7m<\/b><\/p>\n\n\n\n\n\n
\n

TT<\/b><\/p>\n<\/td>\n

\n

Nh\u00f3m s\u1ea3n ph\u1ea9m<\/b><\/p>\n<\/td>\n

\n

Dung l\u01b0\u1ee3ng m\u1eabu<\/b><\/p>\n<\/td>\n

\n

Tr\u1ecb s\u1ed1 trung b\u00ecnh c\u1ed9ng\u00a0\u00a0 <\/b><\/p>\n<\/td>\n

\n

Tr\u1ecb s\u1ed1 sai qu\u00e2n ph\u01b0\u01a1ng <\/b><\/p>\n<\/td>\n

\n

Sai s\u1ed1 c\u1ee7a trung b\u00ecnh c\u1ed9ng<\/b><\/p>\n<\/td>\n

\n

H\u1ec7 s\u1ed1 bi\u1ebfn \u0111\u1ed9ng <\/b><\/p>\n<\/td>\n

\n

Ch\u1ec9 s\u1ed1 \u0111\u1ed9 ch\u00ednh x\u00e1c\u00a0 <\/b><\/p>\n<\/td>\n

\n

Tr\u1ecb s\u1ed1 l\u1edbn nh\u1ea5t<\/b><\/p>\n<\/td>\n

\n

Tr\u1ecb s\u1ed1 nh\u1ecf nh\u1ea5t<\/b><\/p>\n<\/td>\n<\/tr>\n

\n

1<\/p>\n<\/td>\n

V\u00e1n B\u0110<\/td>\n\n

30<\/p>\n<\/td>\n

\n

127.2<\/p>\n<\/td>\n

\n

32.03<\/p>\n<\/td>\n

\n

5.85<\/p>\n<\/td>\n

\n

25.18<\/p>\n<\/td>\n

\n

4.60<\/p>\n<\/td>\n

\n

178.52<\/p>\n<\/td>\n

\n

46.26<\/p>\n<\/td>\n<\/tr>\n

\n

2<\/p>\n<\/td>\n

V\u00e1n TR<\/td>\n\n

29<\/p>\n<\/td>\n

\n

161.4<\/p>\n<\/td>\n

\n

32.56<\/p>\n<\/td>\n

\n

5.09<\/p>\n<\/td>\n

\n

20.17<\/p>\n<\/td>\n

\n

3.15<\/p>\n<\/td>\n

\n

255.76<\/p>\n<\/td>\n

\n

114.83<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

 <\/p>\n

Nh\u1eadn x\u00e9t:<\/span><\/b><\/p>\n

– Ch\u1ec9 s\u1ed1 \u0111\u1ed9 ch\u00ednh x\u00e1c d\u01b0\u1edbi 5% \u0111\u1ea1t y\u00eau c\u1ea7u theo quy \u0111\u1ecbnh.<\/p>\n

– L\u1ef1c b\u00e1m \u0111inh v\u00edt c\u1ee7a v\u00e1n TR cao h\u01a1n (161,4 N\/mm) so v\u1edbi v\u00e1n B\u0110 (127,2 N\/mm)<\/p>\n

\u00a0<\/b><\/p>\n

\u00a0<\/b><\/p>\n

\u00a0<\/b><\/p>\n

\u00a0<\/b><\/p>\n

K\u1ebeT LU\u1eacN V\u00c0 KI\u1ebeN NGH\u1eca<\/b><\/p>\n

1. \u0110\u1ec1 t\u00e0i \u0111\u00e3 kh\u1ea3o s\u00e1t \u0111\u00e1nh gi\u00e1 m\u1ed9t c\u00e1ch t\u1ed5ng qu\u00e1t v\u1ec1 t\u00ecnh h\u00ecnh ch\u1ebf bi\u1ebfn h\u1ea1t \u0111i\u1ec1u \u1edf N\u01b0\u1edbc ta v\u00e0 kh\u1ea3 n\u0103ng t\u1eadn d\u1ee5ng v\u1ecf h\u1ea1t \u0111i\u1ec1u. Kh\u1ea3o s\u00e1t t\u00ecnh h\u00ecnh s\u1ea3n xu\u1ea5t v\u00e1n d\u0103m quy m\u00f4 v\u1eeba v\u00e0 nh\u1ecf t\u1ea1i m\u1ed9t s\u1ed1 t\u1ec9nh.<\/p>\n

2. \u0110\u1ec1 t\u00e0i \u0111\u00e3 x\u00e1c \u0111\u1ecbnh \u0111\u01b0\u1ee3c th\u00e0nh ph\u1ea7n ch\u1ee7 y\u1ebfu c\u1ee7a v\u1ecf h\u1ea1t \u0111i\u1ec1u. Nghi\u00ean c\u1ee9u t\u1ea1o d\u0103m v\u1ecf h\u1ea1t \u0111i\u1ec1u, t\u1eeb thi\u1ebft b\u1ecb nghi\u1ec1n d\u0103m c\u1ea3i ti\u1ebfn.<\/p>\n

3. Nghi\u00ean c\u1ee9u lo\u1ea1i d\u0103m g\u1ed7 ph\u00f9 h\u1ee3p \u0111\u1ec3 ph\u1ed1i tr\u1ed9n v\u1edbi d\u0103m VH\u0110 t\u1ea1o v\u00e1n d\u0103m. \u0110\u1ec1 t\u00e0i \u0111\u00e3 x\u00e1c \u0111\u1ecbnh d\u0103m g\u1ed7 b\u1ea1ch \u0111\u00e0n v\u00e0 g\u1ed7 tr\u00e0m c\u1eeb c\u00f3 th\u1ec3 ph\u1ed1i tr\u1ed9n v\u1edbi d\u0103m VH\u0110 t\u1ea1o v\u0103n d\u0103m th\u00f4ng d\u1ee5ng \u1edf c\u1ea5p P1 s\u1eed d\u1ee5ng trong \u0111i\u1ec1u ki\u1ec7n kh\u00f4.<\/p>\n

4. \u0110\u1ec3 t\u00e0i x\u00e1c \u0111\u1ecbnh \u0111\u01b0\u1ee3c l\u01b0\u1ee3ng t\u1eadn d\u1ee5ng VH\u0110 ph\u1ed1i tr\u1ed9n v\u1edbi d\u0103m l\u1edbp gi\u1eefa \u1edf k\u1ebft c\u1ea5u v\u00e1n l\u00e0 1:3:1, d\u0103m v\u1ecf h\u1ea1t \u0111i\u1ec1u tr\u1ed9n v\u1edbi d\u0103m g\u1ed7 theo t\u1ef7 l\u1ec7 h\u1ed7n h\u1ee3p 1:1, 2:1 v\u00e0 3:1, ch\u1ea5t l\u01b0\u1ee3ng v\u00e1n \u0111\u00e1nh gi\u00e1 theo TCVN \u0111\u1ea1t c\u1ea5p P1.<\/p>\n

5. \u0110\u1ec1 t\u00e0i \u0111\u00e3 x\u00e1c \u0111\u1ecbnh c\u00e1c th\u00f4ng s\u1ed1 ch\u1ebf \u0111\u1ed9 \u00e9p khi s\u1ea3n xu\u1ea5t v\u00e1n d\u0103m k\u1ebft h\u1ee3p d\u0103m v\u1ecf h\u1ea1t \u0110i\u1ec1u v\u00e0 d\u0103m g\u1ed7 B\u1ea1ch \u0110\u00e0n v\u00e0 Tr\u00e0m ph\u00f9 h\u1ee3p cho s\u1ea3n xu\u1ea5t l\u00e0: \u00c1p su\u1ea5t \u00e9p: 2,1 Mpa, Nhi\u1ec7t \u0111\u1ed9 \u00e9p : 1800C, Th\u1eddi gian \u00e9p : 7 ph\u00fat.<\/p>\n

6. \u0110\u1ec1 t\u00e0i \u0111\u00e3 k\u1ebft h\u1ee3p v\u1edbi C\u00f4ng ty CP \u0110\u1ea7u t\u01b0 ph\u00e1t tri\u1ec3n Th\u00e0nh Ph\u00e1t s\u1ea3n xu\u1ea5t v\u00e1n d\u0103m k\u1ebft h\u1ee3p gi\u1eefa VH\u0110 v\u00e0 d\u0103m g\u1ed7 tr\u00ean d\u00e2y chuy\u1ec1n c\u00f3 b\u1ed5 xung m\u1ed9t s\u1ed1 thi\u1ebft b\u1ecb c\u1ee7a \u0111\u1ec1 t\u00e0i.<\/p>\n

Ch\u1ea5t l\u01b0\u1ee3ng v\u00e1n \u0111\u01b0\u1ee3c ki\u1ec3m tra m\u1ed9t s\u1ed1 t\u00ednh ch\u1ea5t \u0111\u1ea3m b\u1ea3o y\u00eau c\u1ea7u c\u1ee7a v\u00e1n d\u0103m th\u00f4ng d\u1ee5ng P1 s\u1eed d\u1ee5ng trong \u0111i\u1ec1u ki\u1ec7n kh\u00f4.<\/p>\n

7. \u0110\u1ec1 t\u00e0i \u0111\u00e3 \u0111\u00e1nh gi\u00e1 s\u01a1 b\u1ed9 hi\u1ec7u qu\u1ea3 kinh t\u1ebf khi s\u1eed d\u1ee5ng VH\u0110 t\u1ea1o v\u00e1n d\u0103m 3 l\u1edbp k\u1ebft h\u1ee3p v\u1edbi d\u0103m g\u1ed7, gi\u00e1 th\u00e0nh gi\u1ea3m tr\u00ean 200.000\u0111\/m3 so v\u1edbi v\u00e1n d\u0103m th\u00f4ng th\u01b0\u1eddng. <\/b><\/p>\n

Ki\u1ebfn ngh\u1ecb <\/span><\/p>\n

1. \u0110\u1ec1 ngh\u1ecb ti\u1ebfp t\u1ee5c cho tri\u1ec3n khai s\u1ea3n xu\u1ea5t th\u1eed nghi\u1ec7m, nh\u1eb1m qu\u1ea3ng b\u00e1 s\u1ea3n ph\u1ea9m m\u1edbi.<\/p>\n

2. Ti\u1ec1m n\u0103ng c\u1ee7a VH\u0110 c\u00f2n r\u1ea5t l\u1edbn, c\u1ea7n ti\u1ebfn h\u00e0nh nghi\u00ean c\u1ee9u nh\u01b0 s\u1eed d\u1ee5ng c\u00e1c lo\u1ea1i keo kh\u00e1c nh\u1eb1m t\u1ea1o s\u1ea3n ph\u1ea9m m\u1edbi, theo h\u01b0\u1edbng c\u1ee7a h\u00e3ng NEC \u0111\u00e3 th\u00e0nh c\u00f4ng.<\/p>\n

\u00a0<\/b><\/p>\n

T\u00c0I LI\u1ec6U THAM KH\u1ea2O<\/b><\/p>\n

1. B\u1ed9 N\u00f4ng nghi\u1ec7p v\u00e0 Ph\u00e1t tri\u1ec3n n\u00f4ng th\u00f4n (2001), \u201cTh\u1ef1c tr\u1ea1ng v\u00e0 xu h\u01b0\u1edbng ph\u00e1t tri\u1ec3n c\u00f4ng nghi\u1ec7p ch\u1ebf bi\u1ebfng\u1ed7 \u1edf Vi\u1ec7t Nam \u0111\u1ebfn 2010<\/i>\u201d, T\u00e0i li\u1ec7u h\u1ed9i th\u1ea3o, H\u00e0 N\u1ed9i.<\/p>\n

2. Nguy\u1ec5n Tr\u1ecdng Nh\u00e2n (2002). B\u00e1o c\u00e1o \u0111\u1ec1 t\u00e0i c\u1ea5p B\u1ed9 \u201c X\u00e1c \u0111\u1ecbnh t\u00ednh ch\u1ea5t nguy\u00ean li\u1ec7u g\u1ed7 r\u1eebng tr\u1ed3ng ph\u1ee5c v\u1ee5 c\u00f4ng nghi\u1ec7p d\u0103m v\u00e0 gh\u00e9p thanh v\u1edbi Keo v\u00e0 B\u1ea1ch \u0111\u00e0n<\/i>\u201d, Vi\u1ec7n Khoa h\u1ecdc L\u00e2m nghi\u1ec7p Vi\u1ec7t Nam, H\u00e0 N\u1ed9i<\/p>\n

3. TS Nguy\u1ec5n Tr\u1ecdng Nh\u00e2n ( 1999 ), \u0110\u1ecbnh h\u01b0\u1edbng t\u00ednh ch\u1ea5t v\u00e1n d\u0103m \u0111\u1ec3 s\u1ea3n xu\u1ea5t \u0111\u1ed3 m\u1ed9c \u1edf Vi\u1ec7t Nam<\/i>, Th\u00f4ng tin khoa h\u1ecdc k\u1ef9 thu\u1eadt, Vi\u1ec7n KH L\u00e2m nghi\u1ec7p Vi\u1ec7t Nam.<\/p>\n

4. TS Ho\u00e0ng Nguy\u00ean, TS Ph\u1ea1m V\u0103n Ch\u01b0\u01a1ng, TS Nguy\u1ec5n Phan Thi\u1ebft ( 1999 ), Hi\u1ec7n tr\u1ea1ng c\u00f4ng ngh\u1ec7 s\u1ea3n xu\u1ea5t c\u00e1c v\u1eadt li\u1ec7u thay th\u1ebf g\u1ed7 ph\u1ebf li\u1ec7u v\u00e0 th\u1ee9 li\u1ec7u l\u00e2m \u2013 n\u00f4ng nghi\u1ec7p<\/i>.<\/p>\n

5. TS. Ho\u00e0ng Thanh H\u01b0\u01a1ng (2002), Nghi\u00ean c\u1ee9u c\u00f4ng ngh\u1ec7 s\u1ea3n xu\u1ea5t v\u00e1n tre l\u1ed3 \u00f4, g\u1ed7 cao su k\u1ebft h\u1ee3p<\/i>, Lu\u1eadn \u00e1n ti\u1ebfn s\u1ef9 k\u1ef9 thu\u1eadt, Vi\u1ec7n Khoa h\u1ecdc L\u00e2m nghi\u1ec7p Vi\u1ec7t Nam.<\/p>\n

6. TS. Ho\u00e0n Xu\u00e2n Ni\u00ean (2004), Nghi\u00ean c\u1ee9u m\u1ed9t s\u1ed1 y\u1ebfu t\u1ed1 c\u00f4ng ngh\u1ec7 s\u1ea3n xu\u1ea5t v\u00e1n d\u0103m t\u1eeb nguy\u00ean li\u1ec7u x\u01a1 d\u1eeba<\/i>,Lu\u1eadn \u00e1n ti\u1ebfn s\u1ef9 k\u1ef9 thu\u1eadt, Vi\u1ec7n Khoa h\u1ecdc L\u00e2m nghi\u1ec7p Vi\u1ec7t Nam.<\/p>\n

7. Tr\u1ea7n \u0110\u0103ng Th\u00f4ng ( 1997 ), D\u00f9ng b\u00e3 m\u00eda s\u1ea3n xu\u1ea5t v\u00e1n \u00e9p thay th\u1ebf g\u1ed7 \u1edf C\u00f4ng ty \u0111\u01b0\u1eddng Hi\u1ec7p ho\u00e0 – Long an,<\/i> T\u1ea1p ch\u00ed L\u00e2m nghi\u1ec7p 12\/1997.<\/p>\n

8. British Standard (1992), Particleboard,<\/i> South Bank University, Loandon.<\/p>\n

9. Moslemi A.A. (1978), Particleboard<\/i>, Southern Ilinois University Press, London and Amsterdam, Volume 1, pp. 123 \u2013 131.<\/p>\n","protected":false},"excerpt":{"rendered":"

1. M\u1ede \u0110\u1ea6U Trong c\u00e1c lo\u1ea1i h\u00ecnh v\u00e1n nh\u00e2n t\u1ea1o, v\u00e1n d\u0103m c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng \u0111a d\u1ea1ng ngu\u1ed3n nguy\u00ean li\u1ec7u, t\u1eeb g\u1ed7 t\u1ec9a th\u01b0a \u0111\u01b0\u1eddng k\u00ednh nh\u1ecf cho \u0111\u1ebfn g\u1ed7 ph\u1ebf li\u1ec7u nh\u01b0 c\u00e0nh ng\u1ecdn, b\u00eca b\u1eafp, \u0111\u1ea7u m\u1ea9u…. . Do \u0111\u00f3, c\u00e1c c\u01a1 s\u1edf s\u1ea3n xu\u1ea5t v\u00e1n d\u0103m quy m\u00f4 v\u1eeba v\u00e0 nh\u1ecf […]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[11,72],"tags":[],"_links":{"self":[{"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/13010"}],"collection":[{"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/comments?post=13010"}],"version-history":[{"count":3,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/13010\/revisions"}],"predecessor-version":[{"id":13012,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/13010\/revisions\/13012"}],"wp:attachment":[{"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/media?parent=13010"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/categories?post=13010"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/tags?post=13010"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}