NO810468L

NO810468L - POWDERED TILE MATERIAL, ITS USE AND BLASTING PROCEDURE.

Info

Publication number: NO810468L
Application number: NO810468A
Authority: NO
Inventors: Guenter Schwarz
Original assignee: Glob Ring Ag
Priority date: 1980-06-20
Filing date: 1981-02-11
Publication date: 1981-12-21
Also published as: PT72556B; IT8122444A0; FR2484996A1; DK266881A; FI802587A7; ZA814109B; GR69625B; EP0042543A1; NL8102465A; BE889305A; SE8100533L; DE3036983A1; IT1137184B; LU83443A1; GB2079740A; PT72556A

Description

Oppfinnelsen vedrører et pulverisert teglmaterial ,;'; det s anvendelse, samt en fremgangsmåte til r The invention relates to a powdered brick material,;'; it's application, as well as a procedure for r

spréftying._spréftying._

De i dag kjente sprengstoffer virker ved deres meget høye trykk. Deres ulemper består i at disse trykk oppnås i løpet av meget kort tid, og derfor opptrer med spregningen uheldig biforeteelse, spesielt lokalt høye lufttrykkendringer, knall o.l. The explosives known today work by their very high pressure. Their disadvantages consist in the fact that these pressures are achieved within a very short time, and therefore unfortunate side effects occur with the explosion, especially locally high air pressure changes, bangs etc.

Oppfinnelsen har til hensikt å tilveiebringeThe invention aims to provide

et material som om den tilsvarende medfører den mulighet å frembringe en sprengvirkning i "langsom kino" tempo, resp. a material which, if the equivalent, entails the possibility of producing an explosive effect in "slow cinema" tempo, resp.

å undergå en blivende utvidelse som også bibeholdes ved tilbakegang til normalforhold, i motsetning eksempelvis til temperatur betinget utvidelse av materialer som vanligvis har en reversibel entydig avhengighet av utvidelses-koeffisient og temperatur., to undergo a permanent expansion which is also retained when returning to normal conditions, in contrast to, for example, temperature-dependent expansion of materials which usually have a reversible and unique dependence on the coefficient of expansion and temperature.,

Et slikt pulverisert teglmateriale som tilfreds-stiller disse krav, utmerker seg ved sammensetning, .angitt i krav 1. Such a pulverized brick material which satisfies these requirements is distinguished by its composition, indicated in claim 1.

Ifølge oppfinnelsen kan et slikt teglmaterial anvendes som sprengstoff som ikke har de uheldige egenskaper med plutselig trykkøkning og et knall, med hvor ifølge oppfinnelsen ved tilsetning av mellom 20 og 50 vekt% vann til teglmaterialet og deres blandinger samt if yll ing i.i minst en åpning av objektet som skal sprenges inntrer .ven langsom alt etter omgivelsestemperatur og avfyllings-temperatur i løpet av 30 minutter til ca. 7 timers spreng- According to the invention, such a brick material can be used as an explosive which does not have the unfortunate properties of a sudden increase in pressure and a bang, with where according to the invention by adding between 20 and 50% by weight of water to the brick material and their mixtures as well as filling in at least one opening of the object to be blasted enters slowly depending on the ambient temperature and filling temperature within 30 minutes to approx. 7 hours blasting

og ødeleggelse svirkningen.and destruction effect.

Det oppstår derved ekspansjonstrykk på overThis results in expansion pressure above

3 000 tonn/m<2>.3,000 tonnes/m<2>.

Forsøket har vist at det er fordelaktig å velge teglmateriale i følgende sammensetning: The experiment has shown that it is advantageous to choose brick material in the following composition:

En annen mulighet består i å sammensette teglmaterialet som følger: Another possibility consists in composing the brick material as follows:

Likeledes har det vist seg egnet et teglmaterial med følgende sammensetninger: Likewise, a brick material with the following compositions has proven suitable:

Vanntilsetning • kan være spesielt fordelaktig mellom 25 og 4-0 vekt%, og frembringer tilsvarende ekspansjonstrykk. Water addition • can be particularly advantageous between 25 and 4-0% by weight, and produces a corresponding expansion pressure.

Ved "spregning" innen oppfinnelsens ramme for-ståes også en adskillelse, spaltning, revning, formering, avpressning, ødeleggelse, hulldannelse, o.l. By "bursting" within the scope of the invention is also understood a separation, splitting, tearing, multiplication, squeezing, destruction, hole formation, etc.

Claims

1. Pulverized brick material, characterized by its composition within the limits

2. Brick material according to claim 1, characterized by composition within the limits

3" Brick material according to requirement 2, characterized by composition within the limits

4-. Brick material according to claim 2, characterized by composition within the limits

5. Use of the pulverized brick material according to one of claims 1 to 4 as an explosive.

6. Procedure for blasting using the pulverized brick material according to one of the claims 1 to 4-» characterized by mixing the brick material with 20 - 50% by weight of water and introducing at least one opening in the object to be blasted.

7. Procedure for blasting using the pulverized brick material according to claim 6, characterized in that the brick material is mixed with 25-4-0 weight$ H^O and introduces at least one opening of the object to be blasted.