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Bảng Phân Loại Rừng,Bun,Dat,Da
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BNG PHN LOI RNG
BNG PHN LOI RNG(Dng cho cng tc pht rng, to tuyn v khai hoang)Loi rngNi dung
I Bi hoc i tranh lau lch, sim mua, c lau, c lc trn a hnh kh ro. Thnh thong c cy con hoc cy c ng knh ln hn hoc bng 10cm.
II - Rng cy con, mt cy con, dy leo chim di 2/3 dintch v c 100m2 c t 5 n 25 cy c ng knh t 5 n 10cm v xen ln cy c ng knh ln hn 10cm. - ng t c cc loi c lau, c lc dy c trn a hnh snh ly, ngp nc. - ng t c cc loi cy mm, cc, vt ... trn a hnh kh ro
III - Rng cy khai thc, cy con, dy leo chim 2/3 din tch v c 100m2 rng c t 30 n 100 cy c ng knh t 5 n 10cm, c xen ln cy c ng knh ln hn 10cm.
- ng t c cc loi trm, c ... trn a hnh kh ro.
- ng t c cc loi cy mm, cc, vt ... trn a hnh ly, tht, nc ni.
IV - Rng tre, na gi, l hoc le, mt tre, na, l le dy c. Thnh thong c cy con c ng knh t 5 n 10cm, dy leo, c ln cy c ng knh ln shn 10cm.
- ng t c cc loi trm, c ... trn a hnh ly tht, nc ni.
Ghi ch:- ng knh cy c o cao 30cm cch mt t- i vi loi cy c ng knh > 100cm c quy i ra cy tiu chun (l cy c ng knh t 10 - 20cm).BNG PHN LOI BN(Dng cho cng tc o bn)Loi bnc im v cng c thi cng
1. Bn cDng xng, cuc bn o c v bn khng chy ra ngoi
2. Bn lngDng x v gu mc
3. Bn rcBn c, c ln c rc, l cy, thn cy mc nt
4. Bn ln , si, hu hnCc loi bn trn c ln , si, hu hn
BNG PHN CP (Dng cho cng tc o ph )Cp Cng chu p
1. cp I cng, c cng chu p >1000kg/cm2
2. cp II tng i cng, cng chu p > 800kg/cm2
3. cp III trung bnh, cng chu p > 600kg/cm2
4. cp IV tng i mm, gin d p, cng chu p 10% n 20% th tch hoc t 150kg n 300kg trong 1m3;
- vi phong ha gi nm trong t o ra tng mng c, khi cn trong t th tng i mm o ra rn dn li, p v vn ra nh x;Dng cuc bn cuc chi tay, phi dng cuc chim to li o
7- t i ln tunwgf lp si, lng si t 25% n 35% ln tng, tri n 20% th tch;
- t mt ng, dm hoc ng t ri mnh snh, gch v;
- t cao lanh, t st, t st kt cu cht ln mnh vn kin trc, gc r cy t 20% n 30% th tch hoc > 300kg n 500kg trong 1m3.Dng cuc chim nh li nng n 2,5kg
IV8- t ln tng, tri > 20% n 30% th tch;
- t mt ng nha hng;
- t lnv ngoi trai, c (t s) kt dnh cht to thnh tng c (vng ven bin thng o xy tng);
- t ln bt.Dng cuc chim nh li nng trn 2,5kg hoc dng x beng o c
9- t ln tng, tri > 30% th tch, cui si giao kt bi t st;
- t c ln tng va , phin ong xen k (loi khi cn trong lng t tng i mm);
- t si rn chc.Dng x beng, chong, ba mi o c
BNG PHN CP T(Dng cho cng tc o, vn chuyn v p t bng my)Cp tTn cc loi tCng c tiu chun xc nh
It ct, t ph sa ct bi, t mu, t en, t mn, t ct pha st, t st, t hong th, t bn. Cc loi t trn c ln si sn, mnh snh, gch v, dm, mnh chai t 20% tr li, khng c r cy to, c m t nhin dng nguyn th hoc ti xp, hoc t ni khc em n b nn cht t nhin. Ct mn, ct vng c m t nhin, si, dm, vn thnh ng.
IIGm cc loi t cp I c ln si sn, mnh snh, gch v, dm, mnh chai t 20% tr ln. Khngln r cy to, c m t nhin hay kh. t st, cao lanh, t st trng, st vng, c ln si sn, mnh snh, mnh chai, gch v khng qu 20% dng nguyn th hoc noi khc n b nn t nhin c m t nhin hoc kh rn.Dng xng, mai hoc cuc bn sn c ming mng
IIIt st, cao lanh, st trng, st vng, st , t i ni ln si sn, mnh snh, mnh chai, gch v t 20% tr ln c ln r cy. Cc loi t trn c trng thi nguyn th c m t nhin hoc kh cng hoc em ni khc n c m nn.Dng cuc chim mi cuc c
IVCc loi t trong t cp III c ln hn, tng. ong, phong ha, vi phong ha c cui si dnh kt bi vi, xt non, qung cc loi n mn v nh.
BNG PHN CP T(Dng cho cng tc ng cc)
Cp tTn cc loi t
ICt phan ln 3 - 10% st trng thi do, st v st mm, than, bn, t ln thc vt, t p t ni khc chuyn n.
IICt c m cht, si, t st cng, ct kh, ct bo ha nc. t cp I c cha 10 - 30% si, .
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