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Determination of a Particular Regime of Blasting In a Tunel With Thin Overburden


Ester, Zvonimir; Antičević, Hrvoje
Determination of a Particular Regime of Blasting In a Tunel With Thin Overburden // Proceedings of International Conference and Seminar on Tunneling Under Difficult Conditions and Rock Mass Classification / Independent technical Conferences LTD (ur.).
Basel: Independent Technical Conferences LTD, PO BOX 452, Kempston, UK, 1997. str. 145-151 (predavanje, međunarodna recenzija, cjeloviti rad (in extenso), znanstveni)


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Naslov
Determination of a Particular Regime of Blasting In a Tunel With Thin Overburden

Autori
Ester, Zvonimir ; Antičević, Hrvoje

Vrsta, podvrsta i kategorija rada
Radovi u zbornicima skupova, cjeloviti rad (in extenso), znanstveni

Izvornik
Proceedings of International Conference and Seminar on Tunneling Under Difficult Conditions and Rock Mass Classification / Independent technical Conferences LTD - Basel : Independent Technical Conferences LTD, PO BOX 452, Kempston, UK, 1997, 145-151

Skup
Tunneling Under Difficult Conditions and Rock Mass Classification

Mjesto i datum
Basel, Švicarska, 27-29.10.1997

Vrsta sudjelovanja
Predavanje

Vrsta recenzije
Međunarodna recenzija

Ključne riječi
izrada tunela; oprezno miniranje; seizmički utjecaji miniranja
(driving of tunnel; careful blasting; seismic effects of blasting)

Sažetak
The course of motorway tunnel under construction was set only 2 m away from the main motorway. Tickness of the tunnel overburden rock was 9 m. During the tunnel construction the traffic on the motorway was not supposed to be interruped. The tunnelling was carried out by NATM and classical drilling of blastholes and by blasting. For the purpose of evalution of possible damage of the rock burden above the tunnel, meaning also a possibility of motorway damage and possible interruption of traffic, measuring of seismic effects of blasting on the surface was carried out with intention to define the safe mode of blasting. Because of the thin overlayer it was possible to place the instrument 10 m away from the place of blasting. Along with the measuring of influence of a dynamic component of blasting on the surrounding rock mass, it was also measured the influence of position of initiation and stemming of blastholes on the rate of breakage. Several pairs of blastholes were drilled, changing the position of initiation of blasting charge, and the mode of stemming, but with exactly the same amount of explosive charge. After blasting the lenght and volume of the breakage was measured for the each blasthole. The results of measuring showed that the greatest breakage was achieved by initiation from the top of blasthole at almost equal dynamic effest of blasting.

Izvorni jezik
Engleski

Znanstvena područja
Rudarstvo, nafta i geološko inženjerstvo



POVEZANOST RADA


Projekti:
195012

Ustanove:
Rudarsko-geološko-naftni fakultet, Zagreb

Profili:

Avatar Url Zvonimir Ester (autor)


Citiraj ovu publikaciju:

Ester, Zvonimir; Antičević, Hrvoje
Determination of a Particular Regime of Blasting In a Tunel With Thin Overburden // Proceedings of International Conference and Seminar on Tunneling Under Difficult Conditions and Rock Mass Classification / Independent technical Conferences LTD (ur.).
Basel: Independent Technical Conferences LTD, PO BOX 452, Kempston, UK, 1997. str. 145-151 (predavanje, međunarodna recenzija, cjeloviti rad (in extenso), znanstveni)
Ester, Z. & Antičević, H. (1997) Determination of a Particular Regime of Blasting In a Tunel With Thin Overburden. U: Independent technical Conferences LTD (ur.)Proceedings of International Conference and Seminar on Tunneling Under Difficult Conditions and Rock Mass Classification.
@article{article, author = {Ester, Zvonimir and Anti\v{c}evi\'{c}, Hrvoje}, year = {1997}, pages = {145-151}, keywords = {izrada tunela, oprezno miniranje, seizmi\v{c}ki utjecaji miniranja}, title = {Determination of a Particular Regime of Blasting In a Tunel With Thin Overburden}, keyword = {izrada tunela, oprezno miniranje, seizmi\v{c}ki utjecaji miniranja}, publisher = {Independent Technical Conferences LTD, PO BOX 452, Kempston, UK}, publisherplace = {Basel, \v{S}vicarska} }
@article{article, author = {Ester, Zvonimir and Anti\v{c}evi\'{c}, Hrvoje}, year = {1997}, pages = {145-151}, keywords = {driving of tunnel, careful blasting, seismic effects of blasting}, title = {Determination of a Particular Regime of Blasting In a Tunel With Thin Overburden}, keyword = {driving of tunnel, careful blasting, seismic effects of blasting}, publisher = {Independent Technical Conferences LTD, PO BOX 452, Kempston, UK}, publisherplace = {Basel, \v{S}vicarska} }




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