1 뱸 Ÿ Ұ з
2 All Casing(Benoto)
3 RCD
4 Earth-Drill
5 Barrette
6 Ÿҿ Ͻ
뱸 Ÿ (cast-in situ piles)
뱸 Ÿ (cast-in situ piles)
.뱸 Ÿ Ұ з
1.
豼 뱸 Ÿ (ϸ pier ) α Ű 迡 ȣ holeӿ (h-pile, , öٸ) Ʈ̰ ũƮ ŸϿ ھŸ ϴ κ pile Ѵ.
Ÿ äÿο ʿ䰡 ִ.
(1)
, ر
ڰ Ȥ ȣڵ ֹ 翩
ϼ ( ̳ ð )
Ȥ Ǿϼ gas ð(dzȭ, , ɵ)
(2) ð
忩 , ġ Ǵ
۾ ̳ ϸż
(䳪 ) ó ü
Ÿ ҿ κ ߽ð ǥ Ͽ ϰ å ʿ Ѵ.
2.з
ߵǰ ִ.
(1) drilling
by percussion (hammer grab or clam shll) by potary circulation by rotary (drilling bucdet auger) by vibration
(2) ȣ
with casin () with out casing () with water over pressure () with bentonite slurry ()
(3) ũƮŸ
poured(tremie pipe) pumped (pump car)
per ʰ ð տ з ִ.
pier all casing(benoto) ()or() rcd ()or() earth drill () barrette ()
Ⱒ ϹǷ ǰ ðɵ ð ؼ 2 Ͽ ϴ ð ȿ شȭ ִ.
earth drill all casing method all casingrcd method ete barrette ϿӺ ð ̿Ͽ ܸ ƴ پ ð Ư¡ ִ.
å Ҽ ༺
ް ־ ǰ pile beneto : 䵿,濪 r.c.d : ȸ, earth drill : ȸ, ( )