Mechanism and Application of Static Fracturing Technology …
Static fracturing technology uses chemical expansion agents to fracture roofs. With the aim of fracturing corner roofs on deep working faces, in this study, the static fracturing …
Mechanistic Study of a Microwave Field-Controlled …
static crushing agent, providing theoretical support for controlling the process of swelling pressure of static crushing agent and improving rock-breaking efficiency.
Analysis of External Influence Factors and Hydration …
ZHANG J Y, GUAN L H, ZHANG X S, et al. Study on the influence of water ash ratio and fly ash on the reaction temperature of static crushing agent[J]. Multipurpose …
Coupling model of stress-damage and its application to static …
Ma ZH, Geng JJ (2020) Research on the effect of different guiding grooves on the weakening of the coal seam roof by static crushing agents. Coal Science and Technology …
Study on Mechanism of Static Blasting-Induced Hard Rock …
Rolled static cracking agents (RSCA), compared to traditional bulk static cracking agents (BSCA), generate higher expansion pressure, leading to improved effectiveness and …
Basic research on static crushing by utilizing expansive …
Fundamental properties of static crushing agents were measured and, as the method of cost reduction, combination of loaded hole with empty one was studied by numerical analysis and …
Mechanistic Study of a Microwave Field-Controlled Static Crushing Agent
The long reaction time and uncontrollable reaction process of the swelling agent in the process of rock breaking by static crushing agent lead to unsatisfactory efficiency and …
Analysis of External Influence Factors and Hydration Reaction of Static
Analysis of External Influence Factors and Hydration Reaction of Static Crushing Agent[J]. Conservation and Utilization of Mineral Resources, 2024, 44(4): 41-47. doi: …
Mechanistic Study of a Microwave Field …
The study reached the following main conclusions: (1) microwave heating is better than conventional heating in terms of heating rate, peak temperature, and peak pressure; (2) using static...
Experimental analysis of expansion and stress generation of the static
The advantages of the static cracking agent approach have captured significant attention [22], [23].It has found applications in diverse engineering disciplines, including …
Study on Mechanism of Static Blasting-Induced Hard …
Appl. Sci. 2023, 13, 11310 4 of 30 Figure 1. Diagram illustrating the static crushing agent hydration reaction's expansion mechanism. It is important to note that the expansion pressure …
Study on Mechanism of Static Blasting-Induced …
Rolled static cracking agents (RSCA), compared to traditional bulk static cracking agents (BSCA), generate higher expansion pressure, leading to improved effectiveness and efficiency, especially in rapidly fracturing hard rocks.
Basic research on static crushing by utilizing expansive agents …
Fundamental properties of static crushing agents were measured and, as the method of cost reduction, combination of loaded hole with empty one was studied by numerical analysis and …
Investigation of the Acoustic Emission Behavior and …
Static crushing technology is a technique that uses the expansion pressure generated by a static crushing agent (SCA) to load and destroy brittle materials from within. Conventional explosive …
Experimental study on expansion and cracking properties of static …
The rolled static cracking agent (RSCA) can solve the intractable problem of traditional bulk static cracking agent (BSCA) in engineering applications. The RSCA has the …
Study on Mechanism of Static Blasting-Induced …
Diagram illustrating the static crushing agent hydration reaction's expansion mechanism. It is important to note that the expa nsion pressure formed in the same con fi ned state
Static crushing agent
The invention relates to a static crushing agent which comprises the following components in percentage by weight: 90%-94% of paraffin, 1%-5% of heat-conducting …
Effects of CaO-based and MgO-based expansion agent
Since the static crushing agent is a mixed substance, the virtual part of the mixed relative complex dielectric constant, density, and specific heat capacity of the static crushing …
Experimental study on expansion and cracking properties of …
The rolled static cracking agent (RSCA) can solve the intractable problem of traditional bulk static cracking agent (BSCA) in engineering applications. The RSCA has the …
Mechanistic Study of a Microwave Field-Controlled Static Crushing Agent
The study reached the following main conclusions: (1) microwave heating is better than conventional heating in terms of heating rate, peak temperature, and peak pressure; (2) …
Analysis of External Influence Factors and Hydration Reaction of Static
ZHANG J Y, GUAN L H, ZHANG X S, et al. Study on the influence of water ash ratio and fly ash on the reaction temperature of static crushing agent[J]. Multipurpose …
Theoretical analysis of static fracturing of briquette
(i) To ensure the same basic conditions for each group of experiments and ensure better fluidity and expansion pressure, set the ratio of 0.3:1 of aqueous solution and static crushing agent (a ...
Mechanistic Study of a Microwave Field-Controlled Static …
The study reached the following main conclusions: (1) microwave heating is better than conventional heating in terms of heating rate, peak temperature, and peak pressure; (2) …
Coupling model of stress-damage and its application to …
crack propagation radius of the static fracture agent. According to Wu et al. (2019) and Zhai et al. (2019), vertical stress inhabits the cracking effect of a static crushing agent, and the plastic …
Rock Fracturing Characteristics and Roadway Expansion …
Static crushing agent (SCA) offers advantages such as good safety, no harmful gases, and minimal vibration, making SCA ideal for rock crushing in mines or underground …