CHÖÔNG 1 Gia cöôøng ñaát yeáu vôùi phöông phaùp giaûm heä soá roãng
CHÖÔNG 2 Gia cöôøng ñaát yeáu vôùi phöông phaùp troän vôùi chaát keát
dính - grouting
CHÖÔNG 3 Gia cöôøng ñaát yeáu vôùi phöông phaùp taêng cöôøng vaät lieäu
chòu keùo (vaûi –væ ÑKT)
CHÖÔNG 4 Coïc vaø ñaøo saâu trong ñaát yeáu
BAØI GIAÛNG A Pr.Dr. CHAÂU NGOÏCAÅN
CuuDuongThanCong.com https://fb.com/tailieudientucntt
cuu duong than cong . com
Taøi lieäu tham khaûo:
1. Ground improvement, B. Indraratna –J. Chu, 2005
2. Geotechnics of soft soils, M. Karsttunen –M. Loni, 2009
3. Excavations and Foundations in soft soils, Hans-Georg Kempfert,
Berhane Gebreselassie, 2006
4. Applied soil machanics, Sam Helwany, 2007
5. Engineering treatment of soils, F.G. Bell, 1993
6. Neàn moùng, Chaâu Ngoïc Aån, 2010
BAØI GIAÛNG A Pr.Dr. CHAÂU NGOÏCAÅN
CuuDuongThanCong.com https://fb.com/tailieudientucntt
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SEÙT Nhaän daïng taïi coâng tröôøng Söùc chòu neùn
moät truïc,
qunc kN/m2
RAÁT MEÀM aán caû naém tay vaøo ñaát deã daøng < 25
MEÀM aán caû ngoùn caùi vaøo ñaát deã daøng 25 –50
DEÛO aán caû ngoùn caùi vaøo ñaát caàn coù
löïc 50 –100
CÖÙNG aán maïnh ngoùn caùi laøm loõm ñaát 100 –200
RAÁT CÖÙNG aán maïnh baèng moùng ngoùn caùi
ñeå daáu 200 –400
RAÉN khoù ñeå daáu treân ñaát baèng caùch
aán maïnh ngoùn caùi > 400
BAØI GIAÛNG A Pr.Dr. CHAÂU NGOÏCAÅN
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cuu duong than cong . com
CAÙT (tin caäy) SEÙT (khoâng tin caäy laém)
N (SPT) N (SPT)
< 2 RAÁT MEÀM
0 - 4 RAÁT RÔØI 2 –4 MEÀM
4 –10 RÔØI 4 –8 DEÛO
10 –30 CHAËT TB 8 –15 CÖÙNG
30 –50 CHAËT 15 –30 RAÁT CÖÙNG
> 50 RAÁT CHAËT > 30 RAÉN
BAØI GIAÛNG A Pr.Dr. CHAÂU NGOÏCAÅN
CuuDuongThanCong.com https://fb.com/tailieudientucntt
cuu duong than cong . com
