Mechanical responses of igneous rocks to microwave irradiation: a review

• Autorzy: Bai Guogang , Sun Qiang , Jia Hailiang , Ge Zhenlong , Tang Liyun , Xue Shengze

Identyfikatory

DOI

10.1007/s11600-022-00789-5

• Języki publikacji: EN

Abstrakty

EN

In order to explore the mechanism of microwave radiation damage to rocks and improve the efficiency of underground rock fragmentation, statistics have been conducted for nearly 40 years, and the heating effects of four types of igneous rocks (granite, basalt, syenite, and gabbro) after microwave irradiation have been analyzed. The attenuation of tensile and compressive strength, and the microwave response mechanism of igneous rocks are studied. The results show that under microwave energy of 0–50 kJ, the tensile and compressive strengths of rock do not change significantly; however, above 50 kJ, they decrease rapidly. With increasing contents of Fe-rich minerals in rock, such as pyroxene, microwaves have a greater fracturing effect, which is manifested as rapid attenuations in tensile and compressive strength. The wave velocity damage factor and tensile strength damage factor of igneous rocks increase with the increase of microwave energy.

Słowa kluczowe

EN

microwave; microwave energy; heating rate; rock strength; rock crack

PL

kuchenka mikrofalowa; energia mikrofalowa; szybkość ogrzewania; twardość skały; pęknięcie skały

• Wydawca: Instytut Geofizyki PAN ; Springer
• Czasopismo: Acta Geophysica
• Rocznik: 2022
• Tom: Vol. 70, no 3
• Strony: 1183--1192
• Opis fizyczny: Bibliogr. 37 poz.

Twórcy

autor

Bai Guogang

• College of Geology and Environment, Xi’an University of Science and Technology, Xi’an 710054, Shaanxi, China

• https://orcid.org/0000-0003-1062-6245

autor

Sun Qiang

• College of Geology and Environment, Xi’an University of Science and Technology, Xi’an 710054, Shaanxi, China
• Shaanxi Provincial Key Laboratory of Geological Support for Coal Green Exploitation, Xi’an 710054, China

autor

Jia Hailiang

• College of Architecture and Civil Engineering, Xi’an University of Science and Technology, Xi’an 710054, Shaanxi, China

autor

Ge Zhenlong

• College of Geology and Environment, Xi’an University of Science and Technology, Xi’an 710054, Shaanxi, China

autor

Tang Liyun

• College of Architecture and Civil Engineering, Xi’an University of Science and Technology, Xi’an 710054, Shaanxi, China

autor

Xue Shengze

• College of Geology and Environment, Xi’an University of Science and Technology, Xi’an 710054, Shaanxi, China

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Uwagi

PL

Opracowanie rekordu ze środków MEiN, umowa nr SONP/SP/546092/2022 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2022-2023).