CONG HOA XA HOI CHU NGHA VIET NAM

Cong trnh : Cong ty Co phan Ben xe va Dch vu Van tai ong Nai- phng Bnh a- thanh pho Bien Hoa- tnh ong Nai

Cty TNHH T van Thiet ke Xay dng PHAPhng Tam Hiep- thanh pho Bien Hoa- tnh ong Nai***

THUYET MINH

TNH TOAN KET CAU CONG TRNHCONG TRNH : CONG TY CO PHAN BEN XE VA DCH VU VAN TAI ONG NAIa iem: Phng Bnh a- thanh pho Bien Hoa- tnh ong Nai

LAP THANG 06/2010THUYET MINH

TNH TOAN KET CAU CONG TRNHCONG TRNH : CONG TY CO PHAN BEN XE VA DCH VU VAN TAI ONG NAIa iem: Phng Bnh a- thanh pho Bien Hoa- tnh ong Nai

Ngay thang nam 2010 GIAM OC

KTS. PHAN VAN BINH

CHU TR: KTS. PHAN VAN BINH

Q.L.K.T :

Ngi tnh toan: KS. NGUYEN XUAN DUNGTHUYET MINH KET CAU CONG TRNH:A. HO S THIET KE CONG TRNH:

1. 01 Bo ban ve thiet ke ky thuat Kien truc

2. 01 Bo khao sat a chat cong trnh

B. CAC QUI PHAM VA TIEU CHUAN THIET KE:

TCVN 2737-1995: Tai trong va tac ong. Tieu chuan thiet ke.

TCVN 357:2005: Ket cau be tong cot thep. Tieu chuan thiet ke.

TCXD 205-1998: Mong coc. Tieu chuan thiet ke.

TCXD 40-1987: Ket cau xay dng va nen. Nguyen tac c ban ve tnh toan.

TCVN 5573-1991: Ket cau gach a va gach a cot thep.

TCXD 244 -2000: Tai trong ong at oi vi nha va cong trnh. Tieu chuan thiet ke.

Cac phan mem tnh ket cau c s dung: Tnh noi lc va thep bang chng trnh Micro FEAP va KPW ban quyen do bo xay dng cap.

C. LA CHON GIAI PHAP KET CAU:2.1 Giai phap ket cau mong:

Do cong trnh la thap tang tren tai trong len tac dung len nen at di moi chan cot tng oi ln. Theo tai lieu khao sat a chat th cac lp at pha tren u kha nang chu lc. V vay dung giai phap mong n tren nen thien nhien la giai phap se c e xuat, la chon. Giai phap mong n tren nen thien nhien. oi vi cong trnh co chieu cao khong ln lam, gio gay ra moment tai cac chan cot nho, lc nen quyet nh ng suat tac dung xuong mong, do o cac cap noi lc tai chan cot:

Ta chon cap noi lc Nmax-Mt e tnh mong

Cot thep mong dung hai loai cng o AI,AII. Thep AI dung cho cot thep ai, thep buoc. Thep AII dung cho cot thep gia, cot thep cau tao, cot thep chu lc chnh.

2.2 Giai phap ket cau phan than:He ket cau chu tai trong ng : gom cot, dam, san BTCT o toan khoi tai cho, am bao tnh toan khoi va lien tuc cho ket cau, t o am bao tnh chu lc tot.

He ket cau chu tai trong ngang: s dung he thong ket cau thuan khung cho khong gian s dung ln, ap ng ay u yeu cau s dung cong trnh.2.3 Tai trong tnh toan cho cong trnh:* Tai trong tac dung theo phng ng: Tnh tai: Bao gom trong lng ban than cac ket cau chu lc va ket cau bao che co mat trong cong trnh: be tong cot thep, thep, gach xay, vua ximang,thiet bHoat tai: bao gom hoat tai ve sinh, hanh lang, cau thang, mai

a. San phong lam viec:

-Hoat tai: 200(1,3=260 kg/m2

-Tnh tai:* Gach lat:(=20, (=2000 kg/m3, n=1.2(q=48 kg/m2

*Va lot:(=20,(= 1800 kg/m3, n=1.3(q=46 kg/m2

*an BTCT: :(=80,(= 2500 kg/m3, n=1.1(q=220 kg/m2

*Va to tran: :(=15,(= 1800 kg/m3, n=1.2(q=30 kg/m2

*Thiet b treo di tran: q=16 kg/m2

( qs=360 kg/m2

b. San hanh lang:

-Hoat tai:300(1,2=360 kg/m2

-Tnh tai:* Gach lat:(=20, (=2000 kg/m3, n=1.2(q=48 kg/m2

*Va lot:(=20,(= 1800 kg/m3, n=1.2(q=46 kg/m2

*an BTCT: :(=80,(= 2500 kg/m3, n=1.1(q=240 kg/m2

*Va to tran: :(=15,(=1800 kg/m3, n=1,2(q=30 kg/m2

*Thiet b treo di tran: q=16 kg/m2 ( qs=380 kg/m2

c. San phong WC:

-Hoat tai: 200(1,2=240 kg/m2

-Tnh tai:* Gach lat:(20, (=2000 kg/m3, n=1.2(q=48 kg/m2

*Va lot:(=20,(= 1800 kg/m3, n=1.2(q=45 kg/m2

*Lp em:(=150,(= 1600 kg/m3, n=1.2(q=290 kg/m2

*an BTCT: :(=80,(= 2500 kg/m3, n=1.1(q=220 kg/m2

*Va to tran: :(=15,(= 1800 kg/m3, n=1.2(q=35 kg/m2

*Thiet b treo di tran: q=16 kg/m2

( qs=654 kg/m2

d. San mai va seno:

-Hoat tai: 75(1,3=105 kg/m2

-Tnh tai: *Va tao doc: (=30,(= 1800 kg/m3, n=1.2(q=65 kg/m2

*an BTCT: :(=80,(= 2500 kg/m3, n=1.1(q=220 kg/m2

*Va to tran: :(=15,(= 1800 kg/m3, n=1.2(q=35 kg/m2

*Thiet b treo di tran: q=16 kg/m2

( qs=336 kg/m2 e. San cau thang:

-Hoat tai: 300(1,3=390 kg/m2

-Tnh tai:* Gach lat:(=20, (=2000 kg/m3, n=1.2(q=48 kg/m2

*Va lot:(=20,(=1800kg/m3,n=1.2(q=45kg/m2

*Bac gach:(=1800 kg/m3, n=1.2(q=60 kg/m2

*an BTCT: :(=120,(= 2500 kg/m3, n=1.1(q=330 kg/m2

*Va to tran: :(15,(= 1800 kg/m3, n=1.2(q=35 kg/m2

*Thiet b treo di tran: q=16 kg/m2

*Thiet b tay cam: q=30 kg/m2

( qs=565 kg/m2

* Tai trong tac dung theo phng ngang:

Tai trong gio: theo TCVN 2737-1995, Cong trnh Cong ty Co phan Ben xe va Dch vu Van tai ong Nai co chieu cao < 40m, nen khong xet ti thanh phan ong cua tai trong gio, ch xet ti thanh phan tnh cua tai trong gio.2.4 Cng o tnh toan cua vat lieu:

a. Be tong: Be tong a 10x20 mac 250:

Rn=110 kg/cm2

Rk=10 kg/cm2

Eb=240.000 kg/cm2

b. Cot thep:

*Cot thep A(:

Rn=2100 kg/cm2

Rk=2100 kg/cm2

Ea=2.100.000 kg/cm2 *Cot thep A(I:

Rn=2700 kg/cm2

Rk=2700 kg/cm2

Ea=2.100.000 kg/cm2

14n v thiet ke : Cty TNHH T van Thiet ke Xay dng PHA

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