chemical for concrete breaker

Chemical Demolition Agent: Non-Explosive Concrete … From concrete demolition to rock demolition, the Bustar non-explosive demolition agent is the predictable safe and silent demolition solution.

WhatsApp: +86 18221755073

Calculation of Detonation Velocity, Pressure, and Electric …

It is found that, for the nitro arenes, there is a linear relationship between the square of detonation velocity (D 2) or detonation pressure (P) and electric sensitivity (E ES), which suggests that such a theoretical approach can be used to predict or judge the magnitude of E ES, which is difficult to measure in the molecular design of ...

WhatsApp: +86 18221755073

Detonation velocity

Detonation velocity, also known as velocity of detonation (VoD) or explosive velocity, is the velocity at which the shock wave front travels through a detonated explosive. Contents. ... ↑ Resi Gerritsen,Ruud Haak, K9 Explosive and Mine Detection: A Manual for Training and Operations;

WhatsApp: +86 18221755073

Fragmentation Energy in Rock Blasting | Geotechnical and …

The theoretical explosive energy used in blasting is a common issue in many recent research works (Spathis 1999; Sanchidrian 2003). It is currently admitted that the theoretical available energy of the explosives is split into several parts during a blast: seismic, kinetic, backbreaks, heave, heat and fragmentation energies. Concerning this …

WhatsApp: +86 18221755073

Blast vibration dependence on charge length, velocity of …

The explosive velocity of detonation (VoD) is 5500 m/s and exceeds the P-wave velocity of 4000 m/s in the surrounding medium. This produces the two conical …

WhatsApp: +86 18221755073

Explained: What Is Velocity Of Detonation (VoD)?

The velocity of detonation is a crucial parameter in blasting activities conducted in mines and quarries. Understanding the VoD characteristics of explosive materials and incorporating this knowledge …

WhatsApp: +86 18221755073

Determination of Velocity of Detonation Using Dautrich …

ADVANCED TECHNOLOGIES AND MATERIALS VOL. 43, NO. 2 (2018) DOI: 10.24867/ATM-6 ADVANCED TECHNOLOGIES & MATERIALS * Corresponding author's.e-mail: [email protected] Determination of Velocity of Detonation Using Dautrich Method Darko Šunjića*, Stipo Buljanb aUniversity of Mostar, Faculty of …

WhatsApp: +86 18221755073

(PDF) Velocity of detonation and fragmentation analysis to …

In holes, the measurement of the velocity of detonation (VOD) helps in comparing and evaluating relative performance of explosives. In this paper a blast performance assessment was conducted based ...

WhatsApp: +86 18221755073

Mine | PoE Wiki

Gem; Smoke Mine Smoke Mine Mine, Spell, AoE, Duration, Movement, Travel, Blink Level: (1-20) Cost: (6-13) Mana Reservation: (6-13) Mana Cooldown Time: 5.00 sec Can Store 3 Use(s) Cast Time: 0.50 …

WhatsApp: +86 18221755073

Impact of Velocity of Detonation and Charge per Bank Cubic …

This paper, therefore, seeks to explore the predictive capability of SVM with input parameters such as cost charged per bank cubic meter (CPBCM) and velocity of …

WhatsApp: +86 18221755073

Velocity of detonation measurement and fragmentation …

Explosives with low VOD will have low impact on rock fragmentation than the ones with high VOD (Chiappetta, 1988, Heit, 2011).According to Cooper (1996), the explosive VOD is commonly used to approximate the detonation pressure and subsequently the explosive shock energy contained in an ideal explosive.The …

WhatsApp: +86 18221755073

(PDF) Improving ANFO: Effect of Additives and …

Ammonium Nitrate Fuel Oil (ANFO) is preferred mining explosives in worldwide. It is composed of ammonium nitrate (94-96%) and liquid hydrocarbon as fuel oil (4-6%), which is detonated through an ...

WhatsApp: +86 18221755073

BLASTING OPERATIONS USING DIFFERENT …

BLASTING OPERATIONS USING DIFFERENT INITIATION METHODS IN DEEP UNDERGROUND MINES Marcin Szumny 1, 1Piotr Mertuszka, Krzysztof Fuławka, Eugeniusz Koziarz2, David Saiang3 1KGHM CUPRUM Ltd. Research and Development Centre, Poland 2KGHM Polska Miedź S.A., Rudna Mine, Poland 3Luleå University of …

WhatsApp: +86 18221755073

Influence of the elevation effect of slope blasting on the …

Time-history curves of velocity of the typical unit on the steel pipe under the slope blasting with H = -3.6 m and L = 6.3 m: (a) X-direction velocity; (b) Y-direction …

WhatsApp: +86 18221755073

The Effect of the Blasthole Diameter on the Detonation …

@article{Mertuszka2023TheEO, title={The Effect of the Blasthole Diameter on the Detonation Velocity of Bulk Emulsion Explosive in the Conditions of Selected Mining Panel of the Rudna Mine}, author={Piotr Mertuszka and Marcin Szumny and Krzysztof Fuławka and Jarosław Maślej and David Saiang}, journal={Archives of Mining …

WhatsApp: +86 18221755073

(PDF) The Effect of the Blasthole Diameter on the Detonation …

Based on the formula (Trzciński et al., 2008): Pd Uex D 2 J 1 (1) where: Pd — detonation pressure, GPa, ρex — initial density of the explosive, g/cm3, D — detonation velocity, m/s, γ — isentropic exponent of the detonation products, -, the decrease of the detonation velocity leads to the drop of detonation pressure and thus reduces ...

WhatsApp: +86 18221755073

Velocity of detonation measurement and fragmentation …

This paper evaluates the performance of bulk emulsion explosives HEF100 through a velocity of detonation (VOD) measurement and fragmentation size distribution …

WhatsApp: +86 18221755073

Home

Select Page. Detonation 9 May 6th – May 13th, 2024

WhatsApp: +86 18221755073

BME launches advanced electronic blast detonation system

The accuracy of the detonation delays has been further fine-tuned, reaching a 0,02% firing accuracy for consistent and quality blasting that results in better rock fragmentation and consistency. He highlighted the positive impact this has on the efficiency of key mine measurables, such as loading rates and crusher throughput.

WhatsApp: +86 18221755073

Ground vibration characteristics affected by change in …

This paper presents results of ground vibration measurements carried out in an Indian iron ore mine. Blasting experiments are conducted in same bench, monitored in the same ground but explosives of different velocity of detonation were used. Peak particle velocity, acceleration, frequencies and displacement of transverse, vertical and longitudinal …

WhatsApp: +86 18221755073

Influence of density of emulsion explosives on its …

conducted to understand the influence of velocity of detonation of emulsion explosives on fragmentation of blasted muckpile over a range of densities. The den sity of explosives …

WhatsApp: +86 18221755073

Figure 2. Velocity of detonation (VOD) …

We studied seismic-wave generation from five small (60-122 kg) fully contained explosions detonated in Barre Granite as a part of the New England Damage Experiment (NEDE).

WhatsApp: +86 18221755073

Impact of Velocity of Detonation (VOD) on Rock …

The velocity of detonation (VOD) is an essential parameter for assessing and comparing the performance of explosives in blast holes. Explosives with lower VOD tend …

WhatsApp: +86 18221755073

DETONATION()：

DETONATION：,。。 No piston or cylinder damage has been reported, suggesting that no pre-ignition or detonation occurred and that the compression ratio was correct for the fuel.

WhatsApp: +86 18221755073

Experimental and numerical investigation on rock fracturing …

The properties of explosive are as follows: density is 790 kg/m 3, explosion heat is 3015 kJ/kg, detonation temperature is 2500 °C and its detonation velocity (VOD) is approximately 400 m/s. The explosive columns in holes are initiated by electric detonator, as illustrated in Fig. 1 (a) and (b).

WhatsApp: +86 18221755073

NUKEMAP by Alex Wellerstein

Clear all effects Add new detonation Center ground zero Inspect location. Note that you can drag the target marker after you have detonated the nuke. Created by Alex Wellerstein, 2012-2024. For more about the nuclear past and present, follow @wellerstein.bsky.social, and visit my blog or read my book.

WhatsApp: +86 18221755073

Principles and procedures for open burning and open detonation …

TN 10-20-01/2001 provides guidance on the calculation of estimation of explosion danger areas. The size of the disposal site will therefore provide the explosive limit. No open detonation shall be permitted with a Net Explosive Content (NEC) above the limit where fragments may travel further than the perimeter of the disposal site; and

WhatsApp: +86 18221755073

Emulsion Explosives: A Tutorial Review and Highlight of …

1. Introduction. Emulsion explosives (EE) are one of the most recently developed classes of energetic materials [1,2,3,4,5] and can be perceived as a step forward from the traditional energetic materials based on ammonium nitrate (AN), such as amatols, ammonals and ANFO (ammonium nitrate-fuel oil).EEs are obtained by physically or …

WhatsApp: +86 18221755073

Detonate Mines

Detonate MinesMine, SpellLevel: 1Cooldown Time: 0.20 secCan Store 1 Use(s)Cast Time: InstantRequires Level 8Detonates a Mine, starting a Detonation Sequence which will detonate other Mines around it.Per 1% Quality:1Superior2AnomalousMines have 1% increased Detonation SpeedRecover 0.01% of Life for each Mine DetonatedFirst Mine …

WhatsApp: +86 18221755073

Field Evaluation of Mine Blasting Efficiency

One of the parameters that are commonly used in the quality assessment of explosives is the on-site testing of the detonation velocity, which is a direct indicator of the efficiency of...

WhatsApp: +86 18221755073

Products

Useful link

Contact Us

0086-21-58386256
0086-21-58386258
[email protected]

Hot Products

Copyright © 2024.FIXIN All rights reserved.sitemap