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CHNG II

N TT NGHIP CHUNG C HA KHNH

PHN I

(10%)GVHD. Chnh : THS. PHM QUANG NHTSinh vin thc hin : NGUYN MINH TRLp : D16XDD2 * Nhim v thit k :

Thit k mt bng cc tng

Thit k mt ng cc tng

Thit k mt ct cc tng Thit k mt bng tng thGII THIU KIN TRC CNG TRNH

I. S cn thit phi u t:

Di s lnh o ng n ca ng v Nh Nc nn kinh t nc ta ang ngy mt pht trin nhanh chng. Vi nhng chnh sch i mi, m ca, hi nhp nn kinh t c nhng bc pht trin vng chc em li nhng thnh cng rc r trn nhiu lnh vc, i sng nhn dn ngy mt nng cao. Thnh ph Nng cng khng nm ngoi xu th pht trin chung . iu th hin qua s o t ra i ca cc khu cng nghip, khu kinh t, v theo dn c t khp cc tnh thnh v thnh ph lm vic v hc tp. V vy mun pht trin kinh t mt cch n nh, vn u tin hng u ca thnh ph l pht trin c s h tng nhm gii quyt nhu cu to ln v nh cho ngi dn cng nh cc nhn vin nc ngoi n lm vic v sinh sng.Vi qu t hn hp nh ngy nay, vic la chn hnh thc xy dng cng trnh nh cho ngi dn cng c cn nhc v la chn k cng sao cho p ng c nhu cu a dng ca ngi dn, tit kim t v p ng c yu cu thm m, ph hp vi tm vc ca mt thnh ph, mt trung tm kinh t ln.

Trong hon cnh , vic la chn xy dng hnh thc chung c cao tng l mt gii php thit thc bi n c nhng u im sau:

- Tit kim t xy dng: y l ng lc ch yu ca vic pht trin kin trc cao tng ca thnh ph, ngoi vic m rng thch ng ranh gii th, xy dng nh cao tng l mt gii php c la chn v trn mt din tch c hn c th xy dng nh ca nhiu hn v tt hn.

- C li cho cng tc xy dng v s dng: Mt chung c cao tng c th b tr nhiu cng nng khc nng nn thun tin cho cng vic v sinh hot ca mi ngui. Tit kim c thi gian i li.

- Lm phong ph thm b mt th: Vic b tr cc kin trc cao tng c s tng khc nhau v hnh thc khc nhau c th to c nhng hnh dng p cho thnh ph. Nhng ta nh cao tng c th a n nhng khng gian t do mt t nhiu hn, pha di lm sn bi ngh ngi cng cng hoc trng cy ci to nn cnh p cho th.

Vi s chp thun ca UBND qun Lin Chiu d n xy dng Chung c Ha Knh ra i nhm gii quyt ch cho ngi dn, phc v cho cc chng trnh ti nh c nhm thc hin ch trng chnh trang th thnh ph.

II. V tr, c im, iu kin t nhin khu vc xy dng: 1.V tr xy dng cng trnh:

-Ta lc ti Phng Ha Khnh ,Qun Lin Chiu, Thnh ph Nng.

-y l v tr rt thun tin v giao thng ni th, khu phc hp vi nhiu tin ch i km, gn i Hc .

2.c im cng trnh:

-Cng trnh c xy dng trn khu t trng trc y , tng i bng phng . Xung quanh l cc khu quy hoch dn c.

-H thng giao thng ni b khu dn c c thi cng hon chnh to thun li cho cng tc thi cng.

-H thng in ly t li in thnh ph v c cp n tn chn cng trnh.

-Nc sinh hot v nc phc v cho cng tc thi cng c ly t h thng cp nc thnh ph.

3. a hnh - kh hu t nhin:

3.1. iu kin kh hu t nhin :

Kh hu mang tnh kh hu nhit i gi ma, mang nhng c im ring ca kh hu min Trung Trung B Vit Nam.

a.Kh tng:

*Nhit :

Nhit trung bnh hng nm : 25 0 Nhit cao nht : 40,9o Nhit thp nht : 10,2o Thng c nhit cao nht : thng 7

Thng c nhit thp nht : thng1

* Ch gi:

Khu vc Thnh ph Nng chu nh hng ca 2 loi gi chnh :

Gi ng v ng Nam t thng 4 n thng 8. Gi ng Bc t thng 9 n thng 3 sang nm. Tc gi ln nht 45m /s.

Bo thng xy ra t thng 9 n thng 11 vi sc gi t 1295 km/h, trung bnh c 0,5 cn bo ln v chu nh hng ca 2-5 cn bo trong 1 nm.* m khng kh:

m trung bnh hng nm: 82%

m tng i thp nht: 65%

* Lng ma:

Lng ma trung bnh hng nm: 2005 (mm)

S ngy ma trung bnh hng nm: 145 (ngy)

Lng ma ln nht trong nm: 3307 (mm)

Lng ma ln nht trong ngy: 332 (mm)

b. Tnh hnh a cht- thu vn:

-Vic kho st a cht cng c tin hnh v c kt qu l:

+ Lp t st c chiu dy 2.5m c = 19.8 (KN / m3).

+ Lp t St c chiu dy 3m c = 20 (KN / m3).

+ Lp ct ht trung c chiu dy 3m c = 19.4 (KN / m3).

+ Lp ct Ht th c chiu dy tng i ln c = 19.5 (KN / m3).(kt thc mi khoan su 36,4m)

+Mc nc ngm cch mt t thin nhin -5,5m.

III. Hnh thc u t Quy m u t: 1. Hnh thc u t

-Cng ty c phn u t & Xy dng s 4 lm ch u t. 2. Quy m u t-Din tch khu t: 5255 m2.

-Tng din tch sn: 9256.5 m2.

-Nh xe: 128m2.

-2 sn cu lng v 1 sn tennis theo kch thc tiu chun.

-1 sn th thao a nng 150 m2.

-1 h bi 100 m2.

- Ngoi ra cn c h thng ng ni b v khun vin cy xanh, canteen v trm bm, trm in.-Cng trnh cao 7 tng, ta lc trong khun vin trong din tch xy dng chung c l 795 m2, s cn li xy dng cng trnh cng cng phc v cc h dn. Tng vn u t ca d n l 117 t ng, d tnh d n c 78 cn h.

+ Tng trt v tng lng: cng trnh gm snh chnh, phng dch v v 6 cn h A. Phng dch v sinh hot cng ng, hp c dn trong chung c v tim chng Cn h A c 2 tng,din tch tng cng 144.5 m2, gm 1 phng khch, 1 phng n, bp, 3 phng ng,2 WC, 1 sn phi v ban cng.+ Tng 3 n tng 7: Dng b tr cn h B v C, mi tng c 6 cn h loi C v 2 cn h loi B. Din tch mi cn h C l 72.25 m2, gm c 2 phng ng, 1 phng khch, 1 phng n, bp, 1 WC v 1 ban cng. Din tch mi cn h B l 102.85 m2, gm c 3 phng ng, 1 phng khch, 1 phng n, bp, 2 WC v 2 ban cng.

Cng trnh c tng chiu cao l 30,60 m, vi ct nn nn tng trt l (0.00, ct mt t t nhin l -0,50m. Chiu cao mi tng 1+2 l 3,6 m, tng 3-7 l 3,3 m.IV. Cc gii php thit k:

1. Gii php quy hoch tng mt bng:

-B cc v khong cch kin trc phi m bo cc yu cu v phng chng chy, chiu sng, thng gi, chng n, khong cch phng v sinh, ng thi ph hp vi nhng yu cu di y:

- Do khu t thuc khu vc th mi nn din tch tng i rng ri. Do cng trnh khng thit k tng hm xe nhm mc ch an ninh. Bi u xe c b tr bn ngoi p ng nhu cu n tip, u xe cho khch v ngi sng trong chung c. C 3 cng ra vo hng ra cc ng quy hoch.- Gii quyt tt mi quan h gia vic xy dng trc mt v d kin pht trin tng lai, gia cng trnh xy dng kin c v cng trnh xy dng tm thi.

- B tr kin trc m bo thng gi t nhin tt, tuy nhin phi hn ch to ra cc vng p lc gi.

- Thun tin cho vic thit k h thng k thut cng trnh bao gm: cung cp in, nc, trang thit b k thut, thng tin lin lc.

2.Gii php thit k kin trc:

a.Gii php mt bng:

Mt bng cng trnh c b tr theo hnh ch nht. H thng giao thng ca cng trnh gm cu thang b,thang my tp trung trung tm cng trnh. iu ny rt thch hp vi kt cu nh cao tng, thun tin trong vic x l kt cu v m bo khong cch t cn h n cu thang l ngn nht, thch hp trong sinh hot v tha mn yu cu PCCC. Tng trt v tng lng ch c phng dch v v cn h A. Tng 3-7, mi tng gm c 2 cn h B, 6 cn h C. Loi A: C din tch s dng l 144.5 m2 , gm c:1 phng khch + bp + phng n + giao thng trong phng 53.38 m2, 3 phng ng ( 19.32+12.95+17.76 ) m2 , 2 WC (5,5+5,5) m2 , 1 sn phi 4,4 m2 , bancon 3,36 m2 .

Loi B: C din tch s dng l 102.85 m2 , gm c: 1 phng khch + bp + phng n + giao thng trong phng 32,7 m2 , 3 phng ng (11,8+15,2+10,5 ) m2,2 WC (5+3,45) meq \l(\o\ac(2, )) ,2 bancon (5+3,2) meq \l(\o\ac(2, )) . Loi C: C din tch s dng l 72.25 m2 , gm c: 1 phng khch + bp + phng n + giao thng trong phng 28,3 m2 , 2 phng ng ( 13,86 + 11.34 ) m2 , 1 WC 5,5 m2 , 1 bancong 3 meq \l(\o\ac(2, ))

-Tng mi: mi tn, b nc , sn thng .

b.Gii php mt ng:

- Hnh khi cng trnh: L mt cng trnh ln ca thnh ph, vi hnh khi kin trc vung vc, hnh dng vng chi s l im nhn cho khu th mi sau ny.

- Mt ng ca cng trnh: mt ng s nh hng trc tip n tnh ngh thut ca cng trnh. Khi nhn t xa th ta ch cm nhn ton b cng trnh trn hnh khi kin trc, nhng khi n gn th s biu hin ngh thut chuyn sang mt ng. L-gia v ca s c b tr hi ha cng vi nc sn bn ngoi to nn s sinh ng cho cng trnh, ng thi m bo thng gi, chiu sng t nhin. Khu vc snh chnh c din tch rng v c thit k thng tng m bo to khng gian thong, c th b tr c cy cnh to nn s thn thin vi mi trng.

c.Gii php mt ct:

Da vo c im s dng v iu kin v sinh nh sng, thng gi cho cc cn h ta chn chiu cao cc tng l 3,3m, m bo chiu cao thng thy cho cng trnh >2,8m 3. Gii php kt cu:

-Cng trnh l h kt cu ct, dm, sn kt hp chu lc. -Cng trnh c mt bng hnh ch nht i xng theo 1 phng gm 5 nhp,cu thang b v thang my tm cng trnh.

-Sau khi phn tch tnh ton v la chn cc phng n kt cu khc nhau trong n ny em chn gii php kt cu cho cng trnh nh sau: h kt cu chnh c s dng cho cng trnh ny l h kt cu khung b tng ct thp chi lc chnh

4.Cc gii php k thut khc:

a.H thng cp in:

in cung cp cho cng trnh c ly t h thng in li quc gia, ngoi ra cn c in d phng cho cng trnh gm 2 my pht in chy bng Diesel cung cp, my pht in t bn ngoi cng trnh, m bo khng gy nhim v ting n cho c dn. Khi ngun in chnh ca cng trnh b mt v bt k mt l do g, th my pht in s cung cp in cho nhng trng hp sau:

+ Cc h thng phng chy cha chy.

+ H thng chiu sng v bo v.

+ Cc phng lm vic.

+ H thng my tnh trong ta nh cng trnh

+ Bin p v h thng cp.

b.H thng cp thot nc:

* H thng cp nc sinh hot:

+Nc t h thng cp nc chnh ca thnh ph c nhn vo b ngm di trm bm. Sau nc c bm ln b cha trung gian bng thp m km t tng mi. Vic iu khin qu trnh bm hon ton t ng. T b nc t trn mi, qua h thng ng dn c a n cc v tr cn thit ca cng trnh.

*H thng thot nc v x l nc thi cng trnh:

+ Thot nc ma trn mi v nc ma thot ra t logia, bang-cng cc cn h bng ng nha (100. S lng ng c b tr sao cho ph hp vi yu cu: mt ng nc (100 c th phc v thot nc mi t 70 n 120 m2.

+ Thot nc thi sinh hot, nc thi t hm v sinh c x l qua b t hoi, sau khi x l ri a vo h thng thot nc chung ca thnh ph.

+ Trn mt bng sn c nh dc a nc mt thot ra ng ng rnh c np y pha trn.

c.Thng tin lin lc:

H thng thng tin lin lc nh ng dy in thoi, truyn hnh cp, c b tr theo hp k thut chy dc sut cc tng , ti cc tng.

d.H thng thng gi v chiu sng:Cc phng , phng khch, cc h thng giao thng chnh trn cc tng u tn dng ht kh nng chiu sng t nhin thng qua cc ca knh b tr bn ngoi. Vic b tr cc ca s , l-gia 1cch