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NG DNG PHN MM GOOGLE EARTH TRONG CNG TCQUN L CC D N GIAO THNG

TM TT : Qua qu trnh ng dng phn mm Google Earth vo cng tc qunl cc cng trnh xy dng, Cng ty BK-ECC nhn thy vic ng dng phn mmny em li nhiu hiu qu thit thc t cng tc kho st, thit k, cho n qutrnh thi cng

Bi vit ny gii thiu mt s tnh nng ca phn mm Google earth cng dng trong cng tc qun l cc cng trnh xy dng.

L Vn Php L Hng Lp1. Gii thiu phn mm Google Earth.

Google Earth l mt phn mm tuyt vi da trn cc dch v bn caGoogle (Google's Maps). N v bn tri t l mt qu cu o 3D, trn lnhng hnh nh a l c ly t nh v tinh, cc nh chp trn khng v t thngtin a l GIS. Bn c th nhn thy ton b th gii v i du lch bt c ni ungay trn tay ca bn vi nhng hnh nh mi nht v cp nht thng xuyn.

2. Cc tnh nng ca Google Earth c p dng trong giao thng.2.1. Vch tuyn s b, k trc dc s b

Ta c th k nhiu hng tuyn v trc dc s b a ra so snh v chnphng n ti u nht v chiu di v dc dc trc khi tin hnh kho sttuyn.

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2.2. Th st tuyn, nh v cng trnh v a ln Google earth- Th st tuyn trong giai on lp phng n tuyn.

Vi tnh nng ny ta c th s dng phn mm GPS tracking c h tr chocc loi n thoi di ng, ipad lu li hnh trnh di chuyn v xut s liusang Google earth sau khi i th st tuyn trong giai on lp phng n tuyn.

Link download: http://www.4shared.com/rar/8h4rDujhba/Hai_Van.htmlz

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- nh v v tr cng trnh ngoi thc a.nh v h thng cc GPMB, cc v tr mc GPS, mc cao , qua ta c

th xem xt nh hng ca cng trnh so vi cng trnh xung quanh, qun l trnGoogle Earth gn lin vi a vt thc v d dng tm kim khi cn thit.

Link download: http://www.4shared.com/rar/G14EiV8Xce/Cao_toc_Da_Nang_-Quang_Ngai.html

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2.3. Kt hp vi Sketch Up a a vt 3D ca cng trnh ln GE

Vi tnh nng ny ta c th xem xt s tng quan ca cng trnh so vi ahnh xung quanh c th a ra nhng phng n kin trc ph hp, cc cngtrnh h tr hp l hn.

CU SNG HN TP NNG

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2.4. Kt hp vi panoramio.com

Mc ch a hnh nh thc t cng trnh nh ca, a hnh, hnh nhtrong sut qu trnh thi cng ln dc tuyn, d dng xem xt, qun l, v bo cohng ngy thng qua cc hnh nh cp nhp sinh ng.

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3. Gii thiu mt s cng trnh ca cng ty ECC thc hin bng Google earthD n X l mi trng sn bay N

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D n X l mi trng sn bay N

Chng ta c th so snh gia m hnh 3D v thc t thi cng.

Link download:http://www.4shared.com/rar/rKWeik2Hba/San_Bay_Da_Nang.html

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D n Hm ng b o C - Tnh Ph Yn v Khnh Ha

Link download: http://www.4shared.com/rar/GDu_LWejce/Ham_Deo_Ca.html

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D n Hm ng b o C - Tnh Ph Yn v Khnh Ha

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4. Hng dn s dng Google Earth.4.1. Ti phn mm Google Earth

s dng Google Earth chng ta cn ti v b ci t phn mm ny tiwebsite: http://www.google.com/earth/ Google cung cp phin bn min ph lGoogle Earth cho mc ch s dng c nhn v gia nh, v cc phin bn tr phcho cc nhu cu cao hn l Google Earth Plus v Google Earth Pro.i vi phin bn min ph Google Earth, cc bn ch n gin nhn chut vo linkt Get Google Earth (Free Version) ti v v ci t s dng.

Link download Google Earth Pro:

http://www.4shared.com/rar/hv3VNSpn/Google_Earth_PRO_7122019_Final.html

4.2. Hng dn c bn khi s dng Google Eartha. Ty chn ngn ng:

Vo menu Cng c --> Ty chn --> th Chung : mc Ngn ng.

Hin Google Earth c h tr ngn ng ting Vit ca chng ta.

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b. Thanh cng cThanh cng c gm c:

+ Nt th 1: Thm 1 im ln bn

+ Nt th 2 : Thm 1 vng ln bn .+ Nt th 3 : Thm mt l trnh ln bn Click chn. Sau ln lt click ln bn cc im to thnh l trnh. Click lnim ny v di chuyn thay i im. Nhn OK khi hon tt.+ Nt th 5 : Record a tour, quay li hnh trnh v xut ra file video+ Nt th 6, 7: Thanh thi gian

y l mt cng c thc s hp dn khi bn mun xem nhng thay i trongkhong thi gian qu kh n hin ti. Bn c th xem c khong thi gian mnhng ta nh, cy cu mi mc ln xung quanh khu vc bn ang sng, cth l mt bi cy hoc bi t hoang trc khi cc cng trnh xy dng c khicng. l iu hp dn bn c th chn bt k v tr no trn tri t v nhvo Google Earth bn c th du lch quay tr li thi gian xem nhng thay iti a im ra sao.

By gi chng ta s quay li qu kh v xem qu trnh thi cng cu Rng,mt biu tng mi ca Thnh Ph Nng trc sau khi sau xy dng nh thno nh !

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+ Nt th 8 : Chn hnh tinhKhng ch c Tri t, Google Earth cn c bn ca Sao Ha v Mt Trng chochng ta khm ph.+ Nt th 9 : Thc oTh hin khong cch ng chim bay, khong cch ng tuyn bt k gia 2im, chu vi, din tch, theo n v ty chn.

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5. Hng dn chuyn i t Autocad (Bn v 2D) sang Google Earth3.1 Ci t chng trnh BL TransferLink download b ci t BL Transfer:http://www.4shared.com/rar/u43mC8wk/HO_TRO_CAD_V_GOOGLE_EARTH.html

a) Mc ch ca chng trnh : Chng trnh BLTransfer c mc ch chuyn ita phng (X,Y ) sang ta trc a khng gian ( B,L ) v ngc li.b) Thao tc chuyn i to : chuyn t X,Y sang B,L ngi s dng cn nhp s liu theo khun dng gmcc ct sau :V d chuyn i h ta VN-2000 sang WGS-84

S liu Tn im S hiu im To X Ta YS liu ban u 1 A1 1427851.08908 593966.41873Ngi s dng chn cc thng s sau :Transfer mode : Chn chuyn t XY sang BL hoc ngc li.Chn cc thng s Ellipsoid v Project.Chn kinh tuyn trung ng theo bng sau:

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Chn mi chiu 6 hoc 3 .Nhp tn file bo co.Sau , n nt chuyn trn thanh cng c , chng trnh hin th hp thoi :

+ Sau n nt OK v chng trnh s hin th kt qu tnh chuyn cho php ngis dng c th in trc tip trong chng trnh.Nh vy im u tuyn c ta LAT/LONG lLatitude: 12d5438.64Longitude: 109d2157.31Chuyn sang h thp phn ta c cc gi tr sau:Latitude: 12.91073 NLongitude: 109.36592 E

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+ n y cc s liu cn thit chuyn i y , ta bt u chuyn i nhsau:B1: M file cn chuyn i nh v d sau: Tuyn Hm o C - Tnh Ph Yn

B2: Chn Pulish KLM

B3: t tn cng trnh

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B4: Chn tuyn cn a ln google earth

B5: Nhp ta X, Y, Lat, Long h thp phn m ta c

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B6: Chn a ch lu v xut file

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V tc phm hon thnh.

Lu :Do c im ca h ta VN2000 l h ta phng, cn GE s dng h ta

ton cu, khi chuyn i s c c sai lch, do chnh xc tng i th phichnh sa th cng bn Autocad v xut li nh trnh t nu trn. V mc ch khidng phn mm Google Earth l qun l v c ci nhn tng th ca mt d nnn khng yu cu phi chnh xc tuyt i.

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6. Hng dn chuyn i t Sketchup (Bn v 3D) sang Google EarthV d cng trnh cu vt Ng Ba Hu - TP NngB1: V hon chnh file bng phn mm Sketchup

B2: Chn Add more Imagery.. v lm theo hng dn

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B3: a cng trnh vo ng v tr v xut sang Google earth

V tc phm hon thnh

Link download: http://www.4shared.com/rar/wC1wMRA5ce/Nga_3_Hue.html

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7. KT LUNVic ng dng Google earth vo trong qun l cc d n giao thng cho

chng ta mt cch nhn mi bng hnh nh trc quan, linh hot v sinh ng. Snphm c cung cp min ph bi Google earth, rt d s dng, chng ta c thchia s thng tin thun li v nhanh chng. c ng dng rng ri trong cc lnhvc giao thng, dn dng, thy li, kho st a hnh, thy vn, a l, tham quandu lch C th ni, Google earth mang li cho chng ta mt hnh thc qun lthng tin mi, gip chng ta khm ph v hiu hn v a hnh xung quanh cngtrnh c xy dng !

TI LIU THAM KHO1. PGS.TS Phm Vn Chuyn, 2000, Nh xut bn xy dng, Gio trnh o c2. Hong Xun Thnh, 2005, i hc thy li, Gio trnh trc a i cng3. Webside: http://earth.google.com4. Webside: Http://www.gis.com5. Webside: http://www.bk-ecc.com.vn