MTW European Type Trapezium Mill
Input size:30-50mm
Capacity: 3-50t/h
LM Vertical Roller Mill
Input size:38-65mm
Capacity: 13-70t/h
Raymond Mill
Input size:20-30mm
Capacity: 0.8-9.5t/h
Sand powder vertical mill
Input size:30-55mm
Capacity: 30-900t/h
LUM series superfine vertical roller grinding mill
Input size:10-20mm
Capacity: 5-18t/h
MW Micro Powder Mill
Input size:≤20mm
Capacity: 0.5-12t/h
LM Vertical Slag Mill
Input size:38-65mm
Capacity: 7-100t/h
LM Vertical Coal Mill
Input size:≤50mm
Capacity: 5-100t/h
TGM Trapezium Mill
Input size:25-40mm
Capacity: 3-36t/h
MB5X Pendulum Roller Grinding Mill
Input size:25-55mm
Capacity: 4-100t/h
Straight-Through Centrifugal Mill
Input size:30-40mm
Capacity: 15-45t/h
Beishan granite field
Progress on rock mechanics research of Beishan granite for
2023年7月1日 For a better understanding of granite in China's Beishan preselected area for geological disposal of highlevel radioactive waste, a series of investigations were carried out As accepted globally, underground research laboratory (URL) is an integral part of research Feasibility Study2020年2月15日 Beishan granite is a preferred candidate host rock for the construction of a highlevel radioactive waste repository in the Beishan area, China [63] To investigate the influence Fracture analysis of Beishan granite after hightemperature 2023年12月1日 To study the response of deformation and strength components to temperature during entire compression failure process of Beishan granite (the potential host rock of China's Experimental study on mechanical properties of Beishan granite in
Physical and mechanical properties of Beishan granite after
2022年7月16日 In China, Beishan granite is chosen as a potential host surrounding rock of a highlevel radioactive waste (HLW) repository For this research, Beishan granite specimens 2023年5月22日 Granite is the host rock of the Beishan Underground Research Laboratory (URL) for geological disposal of highlevel radioactive waste in China The mechanical behavior of The sensitivity of mechanical properties and pore structures of 2020年11月2日 Based on a comparison of physical–mechanical properties, AE response, and fullfield deformation characteristics of Beishan granite exposed to different temperatures up to Experimental Study on Damage and Fracture Characteristics of Crack initiation occurs in Beishan granite when the loading stress exceeds the stress corresponding to the onset of cracking ( σ ci ) Considering the stress state distribution of The Effect of Unloading Path on the TimeDependent Behavior of
Damage stress and acoustic emission characteristics of the
2013年12月1日 Complete stress–strain curve associated with AE hit characteristics showing different deformation stages of the Beishan granite at a confinement of 10 MPa (a), and a 2022年12月23日 In this study, laboratory experiments on heattreated (25 C, 200 C, 400 C, 600 C and 800 C) Beishan granite samples were performed in combination with nuclear magnetic A MultiScale Study on the Property Degradation of High MDPI2022年6月16日 In this paper, the tensile properties of Beishan granite are studied by BT and DT, and the specimen fracture evolution process during the BT is discussed The results of the BT Mechanical properties and fracture evolution process of Beishan 2018年6月1日 Damage and plastic deformation modeling of Beishan granite under compressive stress condition Rock mechanics and Rock Engineering, 48 (4) (2015), pp 16231633 In situ stress measurements and regional stress field assessment of the Beishan area, China Engineering Geology, 63 (2013), pp 2640The Beishan underground research laboratory for geological
Damage stress and acoustic emission characteristics of the Beishan granite
2013年12月1日 Beishan granite is a preferred candidate host rock for the construction of an HLW repository in the Beishan area, Chen WM, Zhao HG, Chen QC, An QM, Qin XH, Ou MY, Zhao JS Insitu stress measurements and regional stress field assessment of the Beishan area, China Engineering Geology 2013; 163:26–40 Google Scholar [8]2024年8月2日 Hanumantha et al [14] tested the effect of electric field strength on the diffusion behavior of Sr 2+ in chalk and sandstone samples using electromigration device The D m e value of I − and ReO 4 − in intact Beishan granite rock evaluated by the updated convectiondiffusion model is (681 ± 053) Rapid determination of the migration parameters of nuclides in Numerical Simulation of the Creep Behavior of Beishan Deep Granite Tunnel under the Coupling Thermal Stress Field KSCE Journal of Civil Engineering ( IF 19) Pub Date : , DOI: 101007/s1220502414522Numerical Simulation of the Creep Behavior of Beishan Deep Granite 2024年2月1日 Studying the fracture mechanics of granite in the Gansu Beishan area—a fundamental preselection area for an HLW repository in China [10] —holds immense value for engineering applications Several scholars have studied the fracture behavior of granite under different environments and proposed influencing mechanismsEvolution of the mixed mode FPZ and fracture roughness of Beishan
The sensitivity of mechanical properties and pore structures of Beishan
2023年5月22日 Granite is the host rock of the Beishan Underground Research Laboratory (URL) for geological disposal of highlevel radioactive waste in China The mechanical behavior of Beishan granite is the key in determining whether the repository can serve safely for a long time The surrounding rock of the repository will be exposed to thermal environment induced by 2020年11月2日 The effect of high temperatures up to 800 °C on the physical and mechanical characteristics and fracturing behaviour of Beishan granite is experimentally studied with a combination of acoustic emission (AE), digital image correlation (DIC) and optical microscope observations The experimental results show that the responses of the Pwave velocity, the Experimental Study on Damage and Fracture Characteristics of Beishan A robust numerical method for modeling multiple wells in cityscale geothermal field based on simplified onedimensional well model Renewable Energy 139873894 18Zhao X, Xu H #, Zhao Z *, Guo Z, Cai M, Wang J 2019 Thermal conductivity of thermally damaged Beishan granite under uniaxial compressionZhao ZhihongDEPARTMENT OF CIVIL ENGINEERING Tsinghua 2024年1月6日 Download Citation Numerical Simulation of the Creep Behavior of Beishan Deep Granite Tunnel under the Coupling Thermal Stress Field This study conducts a threedimensional numerical Numerical Simulation of the Creep Behavior of Beishan Deep Granite
Insitu stress measurements and regional stress field
2013年6月19日 Understanding the timedependent characteristics of Beishan granite after excavation is critically important for the longterm stability and disaster control of the highlevel radioactive waste China has identified Beishan, located in Gansu Province, as the site of underground laboratories for deep geological disposal of highlevel radioactive waste [1, 2]The deep surrounding rock of the site is hard and brittle granite with low porosity, low permeability, and few cracks, which can meet the requirements of the surrounding rock for a disposal repository [2–4]The Effect of Unloading Path on the TimeDependent Behavior of Beishan College of Field Engineering，Army Engineering University of PLA，Nanjing，Jiangsu ，China) Abstract; Figure/Table; References (0) ZHANG Dengke1,MENG Tao2,HAN Yang1, et al Study on the fracture characteristics and evolution mechanisms of Beishan granite under different crack propagation rates[J] , 2024, 43(11): Study on the fracture characteristics and evolution mechanisms of Abstract A systematical knowledge of the fracture characteristics and thermal damage mechanism of granite at elevated temperature is an important issue in the highlevel nuclear waste disposal and geothermal energy exploration field To investigate the influence of high temperature on the fracture behaviors and characteristics of Beishan granite, threepoint bending tests were Fracture analysis of Beishan granite after hightemperature
Experimental Study On Thermal Properties Of Beishan Granite
2022年2月15日 Experimental Study On Thermal Properties Of Beishan Granite Under Moderate Temperature Conditions: under varying temperature conditions during the disposal process were discussedOn the influence of the stressstrain field,it is found that the elastic modulus changes with the temperature will significantly change the time mass of the Beishan granite tunnel at a depth of 560 m is calculated to be 20078 MPa, while the vertical ground stress is determined to be 1444 MPa These values agree with the actual measured values obtained from the field investigations conducted in BeishanNumerical Simulation of the Creep Behavior of Beishan Deep Granite 2012年3月24日 99 Tc is a longlived fission product with appreciable productivity in nuclear fuel, and Tc (+7) has unlimited solubility in nearfield geochemical environments In this study, the effects of ionic strength and humic acid on 99 TcO 4 − sorption and diffusion in Beishan granite were investigated with throughdiffusion and batch sorption Effects of ionic strength and humic acid on 99TcO4− sorption and This paper investigates experimentally and numerically the short and longterm strength and deformation behaviors of Beishan granite at room temperature Singlestage creep, relaxation, and conventional triaxial compression tests were performed on cylindrical rock samples Its typical brittle response is captured and the dependence of peak strength on confining pressure and Experimental Investigation and MicromechanicsBased Analytical
Fracture analysis of Beishan granite after hightemperature
The fracture toughness for Beishan granite shows a decreasing trend with the increase of temperature from 25 degrees C to 300 degrees C, while a valid fracture toughness value cannot be obtained for granite specimens subjected to temperature over 300 degrees C due to the existing of a large FPZ above the notch tip2020年2月15日 Fracture analysis of Beishan granite after hightemperature treatment using digital image correlation Author links open overlay panel Shuting Miao a b, PengZhi Pan a c, Peiyang Yu a b, elevated temperature is an important issue in the highlevel nuclear waste disposal and geothermal energy exploration fieldFracture analysis of Beishan granite after hightemperature 摘要： The mechanical behavior of host rock for a deep geological repository of highlevel radioactive waste plays a key role in ensuring the isolation function of host rock as a natural barrier under the multifield coupling environmentFor a better understanding of granite in China''s Beishan preselected area for geological disposal of highlevel radioactive waste,a series of Progress on rock mechanics research of Beishan granite for In this study, radial flow tests on cylindrical Beishan granite specimens with a single artificial fracture were conducted using the MTS 815 rock mechanics testing system to investigate the influence of normal stress and temperature on radial flow behaviors of rough rock fractures In the case of complex stress states in the field, Radial flow behaviors of a rough Beishan granite fracture under
Kinetic simulation of uranium migration in granite fissure media
2024年9月5日 In the field of geology, the porosity of a rock body is composed of three different types of spaces: pores, fractures, and vugs Based on the research results on more than 1000 fissure widths in Beishan granite, the width values are mainly distributed between 005 mm and 3 mm, accounting for about 80%, 3 mm to 5 mm, Temperature field obtained from a group of thermal couples can be used to verify the parameter for numerical simulation The results of numerical simulation show that the high tensile stress at the time of macrocrack appearing is consistent with the tensile strength of Beishan graniteLaboratory simulation test of thermal cracking of Beishan graniteNumerical Simulation of the Creep Behavior of Beishan Deep Granite Tunnel under the Coupling Thermal Stress Field KSCE Journal of Civil Engineering ( IF 22) Pub Date : , DOI: 101007/s1220502414522Numerical Simulation of the Creep Behavior of Beishan Deep Granite 2018年11月26日 The throughdiffusion method and batch sorption experiments were used to explore the influence of pH on the diffusion behavior of 75Se(IV) in matrix Beishan granite (BsG) In the pH range of 20–85, the De values of 75Se(IV) in BsG decreased first and then increased with pH increasing, while the changing trend of Kd was nearly oppositeThe influence of pH on diffusion of 75Se(IV) in Beishan granite
Insights into ore genesis of the Beishan Pb–Zn deposit in Guangxi
2023年12月1日 The Beishan Pb–Zn deposit is located 47 km northwest of Huanjiang County, north of Hechi City, Guangxi (Fig 1 a, b), and includes several mineralized occurrences developed in mining areas, such as Shangchao, Huada, and CaixiuThe Beishan Pb–Zn deposit has a history of discovering native siderite when searching for Fe mineralization and then 2022年1月20日 A better understanding of the creep behavior of Beishan granite is important to provide guidelines for the design and implementation of nuclearwaste repository facilities Considering the effect of isotropic stress, damage variables describing the damage evolution in the accelerated creep stage were introduced based on the Weibull distribution of the A statistical damagebased fractional creep model for Beishan granite 2019年12月1日 Request PDF Fracture analysis of Beishan granite after hightemperature treatment using digital image correlation A systematical knowledge of the fracture characteristics and thermal damage Fracture analysis of Beishan granite after high ResearchGateBesides, the constructability of Beishan granite at engineering scale was tested and verified through field tests in the Beishan Exploration Tunnel (BET) Here, we summarize the main outcomes of rock mechanics research on Beishan granite in the past years and introduced the current progress of Beishan underground research laboratory (URL) for geological disposalProgress on rock mechanics research of Beishan granite for
Thermal damage study of Beishan granite based on low field
The thermal rupture and damage mechanism of rock has received more and more attention in the highlevel waste geological disposal project The granite rock samples from the highlevel waste disposal repository in Beishan, Gansu Province,China were collected in this study The thermal stability of granite was investigated by lowfield nucle ar magnetic resonance,MTS rock 2018年6月1日 Damage and plastic deformation modeling of Beishan granite under compressive stress condition Rock mechanics and Rock Engineering, 48 (4) (2015), pp 16231633 In situ stress measurements and regional stress field assessment of the Beishan area, China Engineering Geology, 63 (2013), pp 2640The Beishan underground research laboratory for geological 2013年12月1日 Beishan granite is a preferred candidate host rock for the construction of an HLW repository in the Beishan area, Chen WM, Zhao HG, Chen QC, An QM, Qin XH, Ou MY, Zhao JS Insitu stress measurements and regional stress field assessment of the Beishan area, China Engineering Geology 2013; 163:26–40 Google Scholar [8]Damage stress and acoustic emission characteristics of the Beishan granite2024年8月2日 Hanumantha et al [14] tested the effect of electric field strength on the diffusion behavior of Sr 2+ in chalk and sandstone samples using electromigration device The D m e value of I − and ReO 4 − in intact Beishan granite rock evaluated by the updated convectiondiffusion model is (681 ± 053) Rapid determination of the migration parameters of nuclides in
Numerical Simulation of the Creep Behavior of Beishan Deep Granite
Numerical Simulation of the Creep Behavior of Beishan Deep Granite Tunnel under the Coupling Thermal Stress Field KSCE Journal of Civil Engineering ( IF 19) Pub Date : , DOI: 101007/s12205024145222024年2月1日 Studying the fracture mechanics of granite in the Gansu Beishan area—a fundamental preselection area for an HLW repository in China [10] —holds immense value for engineering applications Several scholars have studied the fracture behavior of granite under different environments and proposed influencing mechanismsEvolution of the mixed mode FPZ and fracture roughness of Beishan 2023年5月22日 Granite is the host rock of the Beishan Underground Research Laboratory (URL) for geological disposal of highlevel radioactive waste in China The mechanical behavior of Beishan granite is the key in determining whether the repository can serve safely for a long time The surrounding rock of the repository will be exposed to thermal environment induced by The sensitivity of mechanical properties and pore structures of Beishan 2020年11月2日 The effect of high temperatures up to 800 °C on the physical and mechanical characteristics and fracturing behaviour of Beishan granite is experimentally studied with a combination of acoustic emission (AE), digital image correlation (DIC) and optical microscope observations The experimental results show that the responses of the Pwave velocity, the Experimental Study on Damage and Fracture Characteristics of Beishan
Zhao ZhihongDEPARTMENT OF CIVIL ENGINEERING Tsinghua
A robust numerical method for modeling multiple wells in cityscale geothermal field based on simplified onedimensional well model Renewable Energy 139873894 18Zhao X, Xu H #, Zhao Z *, Guo Z, Cai M, Wang J 2019 Thermal conductivity of thermally damaged Beishan granite under uniaxial compression2024年1月6日 Download Citation Numerical Simulation of the Creep Behavior of Beishan Deep Granite Tunnel under the Coupling Thermal Stress Field This study conducts a threedimensional numerical Numerical Simulation of the Creep Behavior of Beishan Deep Granite 2013年6月19日 Understanding the timedependent characteristics of Beishan granite after excavation is critically important for the longterm stability and disaster control of the highlevel radioactive waste Insitu stress measurements and regional stress field