Landslide at the Highway D 8 Prague Dresden near Prackovice

Transcription

1 Wolfgang Braunr Landscap-Architct Rgional Managr Landslid at th Highway D 8 Pragu Drsdn nar Proposals for rdvlopmnt and idas for dsign Concptional sktchs English Vrsion:

2 2 Elb vally nar with quarry, railway lin and motorway construction sit

3 Dscription of th accidnt landslid / Soilslip on 06/06/ Th accidnt landslid was a succssion of a havy rainfall vnt 06 till 07 Jun Th landslid happnd in an astrn slop of Elb vally nar, CR - and was locatd in a slag hap and in parts of th facilitis with buildings of a quarry, - ca. 350 m wst of th construction sit of th D 8 Pragu - Drsdn 56,300-56,500 km. - Th railway lin Lovosic-Tplic was torn away about 200 m and shiftd about m. - As a rsult of th landslid a soilslip with a width of about 200 m was triggrd - Th soilslip spilld th highway complt ovr a width of 200 m with a thicknss of 6-10 m. - Th swr, which laid approximatly 3 m blow th highway, was dstroyd also. - This suggsts a dp soilslip (Erdschlipf). - Th forst was movd ast of th railway lin along togthr with its root horizon. - Th sliding surfac blow th soilslip is stimatd at 4 to 10 m dpth blow ground lvl. - Th total lngth of th displacmnt of soil is in th middl part about 50 m. 3 (Information of th Czch Gological Survy of 24/06/13 for th Czch stat govrnmnt)

4 4 Soil-slip ovr th motorway construction sit of D 8 nar km 56,300-56,500

5 2. Condition aftr 07/06/ Condition bfor 06/06/2013 wastston Quarry railway lin motorway slop lin Proposals for th Rdvlopmnt of th ara of Landslid and idas for dsign outlin sktch landslid slid lvl 3. Proposals for rdvlopmnt soilslip drainag 5 Rnaturalization of th quarry with rinforcd soil in stp slops drainag Rconstruction of th slop with inforcd soil Rtntion basin Railway Rconstruction with rinforcd soil Protctiv dam with rinforcd soil (Rubzahl) motorway lin Shaping of soilsurfac modl: gophon

6 Protctiv dam with rinforcd soil (Rubzahl) Rconstruction of th quarry slop with inforcd soil Forst on soilslip Proposals for th rdvlopmnt of th ara of landslid and idas for dsign Sktch 1 Shaping of soilsurfac modl: gophon KRAKONOS / RÜBEZAHL as a flxibl protctiv dam Viw from ast without scal 6 Drainwatr ditch raching till Elb vally Braunr

7 Imag of San Andras Fault in California 7

8 Forst on soilslip Lookout hill Rubzahl had polishd concrt Proposals for th Rdvlopmnt of th ara of Landslid and idas for dsign Sktch 2a motorway Drainwatr ditch Protctiv dam with rinforcd soil (Rubzahl) Drainag Scrw pils Drainag pip Th ncssary associatd dam is not shown hr Drainwatr collctd ovr th tong of Rubzahl KRAKONOS / RÜBEZAHL as a flxibl protctiv dam of rinforcd soil with insid scrw pils trrain cuts without scal 8 Braunr

9 Forst on soilslip Lookout hill Rubzahl had polishd concrt motorway Proposals for th rdvlopmnt of th ara of landslid and idas for dsign Sktch 2b Drainwatr ditch Protctiv dam rinforcd soil KRAKONOS / RÜBEZAHL Drainwatr collctd ovr th tong of Rubzahl as a flxibl protctiv dam of rinforcd soil trrain cuts without scal 9 Braunr

10 Forst on soilslip Lookout hill Cavrn insid Rubzahl had polishd concrt Proposals for th rdvlopmnt of th ara of landslid and idas for dsign Sktch 2c motorway Drainwatr ditch Lightning dpnds on using Th ncssary associatd dam is not shown hr 10 Drainwatr collctd ovr th tong of Rubzahl KRAKONOS / RÜBEZAHL as a flxibl protctiv dam of rinforcd soil with a cavrn construction insid trrain cuts without scal Braunr

11 Forst on soilslip Proposals for th rdvlopmnt of th ara of landslid and idas for dsign Sktch 3 Protctiv dam of rinforcd soil bnt lik an arc Hands and had of polishd concrt Bard of grass Cap as a Lookout hill KRAKONOS / RÜBEZAHL 11 Drainwatr ditch with grass analog with bard as a flxibl protctiv dam of rinforcd soil Plan viw without scal Braunr

12 xprssion study A: lion man Had Art Nouvau Baths in Munich 12

13 xprssion study B: Rubzahl Had Sktch of Wolfgang Braunr 13

14 Basics for systm solutions with stp slops and flxibl dams soil (crtificat ndd) gomtry loads H load watr watr slop inclination undrground 14

15 Grn solutions till 70 Gogrid basd on statistics and constructd with losn shll, consisting of cass of stlwir gridmats and gotxtil 15

16 Grn solutions till 70 Gogrid basd on statistics and constructd with losn shll, consisting of cass of stlwir gridmats and gotxtil 16

17 Grn solutions till 70 Gogrid basd on statistics and constructd with losn shll, consisting of cass of stlwir gridmats and gotxtil 17

18 Grn solutions till 70 First layr in constructioning stp slops 18

19 Grn solutions till 70 Nxt layrs in constructioning stp slops 19

20 Grn solutions till 70 Rsilint in construction phas with stp slops 20

21 Grn solutions till 70 Stat of constructioning a stp slop 21

22 Grn solutions till 70 Flxibility in shaping th stp slop of th protctiv wall 22

23 Grn solutions till 70 Dvlopmnt of grassy stp slop aftr moist sowing 23

24 Grn solutions till 70 Stp slops plantd with shrubs 24

25 Dfinition of th goals, basics and conditions Dfinition of goals: - Avoidanc of factors which ar causally rlatd to th soilmoving - Consolidat th landslid masss - Shaping th soil masss with an artistic and tourist claim - Finding a consnsus to b mad on of all stakholdrs - Timing of th masurs on th tratmnt of rgulatory rquirmnts (natur consrvation, watr managmnt, financing, availability of land. - Clarifiing th railway opration (rsumption or shuting down) - Fixing conditions for sustainabl opration of th quarry (collction and harmlss dissipation of watrs). - Convrsion also towards a rstoration of th quarry (g aim of tourist us of th quarry sit) Basics: - data-basd gotchnical masurs at th dsign considrations Conditions: Collaboration of th road dirctoriat - with th Czch Gological Survy, - with th quarry ownrs and - with th community of (g saf drainag down towards th Elb trms) 25

26 Tasks in th rdvlopmnt of th landslid ara A) "Soil structur dsign (cultural, artistic and tourist claim) B) Harm avoidanc masurs for th motorway and othr sits" C) "Rsumption of railway opration or its shuting down" D) "Quarry rconstruction (Rconstruction of th using and bginning of its rnaturalization, prospcting a rstoration of th quarry sit with aim of tourist us in a long trm) 26

27 Advantag of this prsntatd concptional sktchs Support of dcision-procss : This prsntation should b a first compilation - of th conditions of th nvironmnt - of possibl variations for a rstructuring plan basd on clarification of th trms of rfrnc - of a possibl artistically intrprtation in th shaping of th soil masss - of a possibl touristical ffct 27

28 Thank you vry much for your attntivnss