Following its rapid construction of wind and solar farms as it seeks to build up its renewable power generating capacity, China will turn its focus over the next five …
Learn MoreRock has mechanical characteristics and a fracture damage mechanism that are closely related to its loading history and loading path. The mechanical properties, fracture damage features, acoustic emission (AE) characteristics, and strain energy evolution of the Beishan shallow-layer granite used in triaxial unloading tests were …
Learn MoreThe role of energy storage in the safe and stable operation of the power system is becoming increasingly prominent. Energy storage has also begun to see new …
Learn MoreRock solid ambitions. Staff Writer 7th Mar 2013. Share this article. In 2007, the State Council of China approved the medium- to long-term plan for the development of nuclear power plants in China (2006-2020). Its goal was to increase the installed capacity of nuclear power plants to 40 GW by 2020 (by which time it would have another 18 GW in ...
Learn MoreDOI: 10.1007/s11629-023-8591-7 Corpus ID: 270424360 Mechanical properties and energy evolution of Beishan shallow-layer granite under different unloading paths @article{Wang2024MechanicalPA, title={Mechanical properties and energy evolution of Beishan shallow-layer granite under different unloading paths}, author={Chuanle Wang …
Learn MoreIn China, the Beishan granite in Gansu Province has been investigated and identified as the preferential rock layer for the storage of nuclear waste [10, 11]. ...
Learn MoreThe Beishan Underground Research Laboratory in the northwestern province of Gansu will be used to research long-term storage of high-level radioactive waste. With its deepest level to be built 560 ...
Learn MoreChina''s installed power generation capacity surged 14.5 percent year-on-year to 2.99 billion kW by the end of March, with that of solar power soaring 55 percent …
Learn MoreTensile properties are one of the most important types of rock properties. Direct tensile tests (DT), Brazilian splitting tests (BT), and uniaxial compression tests (UCTs) were performed to investigate the tensile properties of Beishan granite. The acoustic emission (AE) and deformation were recorded by PCI-2 AE monitoring system and …
Learn MoreOverall, the TWS anomalies in the Beishan area change seasonally within 10 mm and have been decreasing since 1980, keeping a desirable dry condition as a HLRW disposal site.
Learn MoreBased on a brief analysis of the global and Chinese energy storage markets in terms of size and future development, the publication delves into the relevant …
Learn More4 · China Sees Energy Storage Boom, Battle to Ease Grid Bottlenecks. July 5, 2024. Experts say pricing reforms and better tech are needed for a storage sector whose …
Learn MoreThe energy evolution processes and mechanisms between three hard rocks are studied using a strain energy analysis method under true triaxial compression (TTC). Using Beishan granite as an example, the change in the energy storage limit U max e, strain energy ratio and strain energy conversion rate for different σ 2 and σ 3 values is …
Learn MoreConsiderable efforts have focused on characterizing energy storage, energy dissipation and the energy of ... AE and strain energy of Beishan granite change with σ2 or σ3 following certain ...
Learn MoreMany studies found elevated temperature could degrade mechanical properties of rock. Nasseri et al. [15] studied the fracture toughness for thermally treated Westerly granite.They found fracture toughness decreases with increasing temperature. Chen et al. [4] carried out multi-steps creep test on Beishan granite under 23 C–90 C, …
Learn Morereaches milestone. 04 April 2023. Tunnelling at the Beishan Underground Research Laboratory near Jiuquan City in China''s Gansu province has reached a depth of 280 metres, the depth of the first of two planned technology test platforms, China National Nuclear Corporation (CNNC) announced. Workers mark reaching the depth of 280 metres (Image: …
Learn Morehigh-level radioactive waste; geothermal energy utilization; underground research laboratory Beishan; energy storage; deep geological repositories DOI 10.1007/978-3-031-53204-7 ISBN 9783031532047, 9783031532030, 9783031532047 Publisher Springer Nature ...
Learn MoreAbstract. Thermal damage in Beishan granite subjected to high temperature treatment (from 100 °C to 800 °C at different heating rates, ranging from 1 to 15 °C/min) is studied in order to assess the thermal effect on physical and mechanical properties. Laboratory tests including acoustic emission (AE) monitoring, ultrasonic velocity and ...
Learn MoreIn July 2021 China announced plans to install over 30 GW of energy storage by 2025 (excluding pumped-storage hydropower), a more than three-fold increase on its installed capacity as of 2022. The United States'' Inflation Reduction Act, passed in August 2022, includes an investment tax credit for sta nd-alone storage, which is expected to boost the …
Learn MoreLiu et al. (2021) investigated the mechanical properties and energy evolution of granite rocks through a triaxial compression test under different confining pressures and suggested a model for ...
Learn MoreGranite is the host rock of the Beishan Underground Research Laboratory (URL) for geological disposal of high-level 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 re …
Learn MoreIn this study, the high-temperature thermal treatment of Beishan granite was carried out with uniaxial and triaxial impact compression tests at different impact velocities. The effects of temperature damage, impact velocity and confining pressure on the dynamic compression properties of granite materials such as ultimate strength and failure …
Learn MoreConstruction of the Beishan Underground Research Laboratory has begun near Jiuquan City in China''s Gansu province, the China Atomic Energy Authority (CAEA) has announced. The laboratory - which will be situated in granite up to 560 metres below ground level in the Gobi desert - will be used to test the suitability of the area for the long …
Learn More14 Minute. On July 26, China National Nuclear Corporation went to Beishan, Gansu for investigation, to gain an in-depth understanding of the preliminary work progress of China''s Beishan Underground Laboratory. The geological repository for high-level radioactive waste in Beishan, Gansu will be a landfill for high-level radioactive nuclear waste ...
Learn MoreChina''s energy storage capacity has further expanded in the first quarter amid the country''s efforts to advance its green energy transition. By the end of March, …
Learn MoreLUO Song, GONG Feng-qiang. Linear energy storage and dissipation laws of rocks under preset angle shear conditions [J]. Rock Mechanics and Rock Engineering, 2020, 53: 3303âˆ''3323. [27] GONG Feng-qiang, YAN Jing-yi, LI Xi-bing, LUO Song. A peak
Learn MoreSemantic Scholar extracted view of "Fracturing evolution analysis of Beishan granite under true triaxial compression based on acoustic emission and strain energy" by Yan Zhang et al. DOI: 10.1016/J.IJRMMS.2019.03.029 Corpus ID: 135167742 Fracturing evolution ...
Learn MoreMeanwhile, a pilot engineering for Beishan URL, Beishan Exploration Tunnel (BET), was built in 2016 and the constructability of Beishan granite at engineering scale was tested and verified. All the above achievements proved the suitability of Beishan granite for geological disposal and provided an important basis on the site selection of …
Learn MoreThe collaborative Pilot Project, titled "Comparison of Thermo-Hydro-Mechanical-Chemical (THMC) Processes in Bentonite Barrier Systems", aims to investigate the fundamentals, conduct laboratory and field experiments, and develop numerical models for barrier systems that ensure the safe isolation of radioactive waste in deep geological ...
Learn MoreThe mechanical behavior of Beishan granite is the key in determining whether the repository ... In order to reveal the energy distribution pattern of fractured granite during the failure ...
Learn More3 · Tesla''s Shanghai plant will be able to make 10,000 Megapacks a year with a combined 40 GWh of storage capacity, official media has reported. Rival BYD delivered …
Learn MoreExperts said developing energy storage is an important step in China''s transition from fossil fuels to a renewable energy mix, while mitigating the impact of new energy''s randomness, volatility, …
Learn MoreExperimental investigation of the thermal and mechanical stability of rocks for high-temperature thermal-energy storage Appl. Energy, 203 ( 2017 ), pp. 373 - 389 View PDF View article View in Scopus Google Scholar
Learn MoreTo sum up, the annual mean evaporation (68.26mm) is larger than precipitation (67.08mm) by ~1.2mm, which creates the decreasing TWS trend from 1980 to 2015. The annual precipitation from 1980 to ...
Learn MoreThe sensitivity of mechanical properties and pore structures of Beishan granite to large variation of temperature in nuclear waste storage sites. / Wu, Yun; Hu, Li-Hua; Yu, Jin et al. In: Environmental Science and Pollution Research, Vol. 30, 01.06.2023, p. 75195-75212.
Learn MoreChina has begun constructing its first underground research laboratory in the Gobi Desert, to determine the area''s suitability for future geological disposal of high level radioactive waste (HLW), including spent nuclear fuel, generated in China''s 51 operational nuclear power plants. Its construction follows more than three decades of ...
Learn More<p>Rock has mechanical characteristics and a fracture damage mechanism that are closely related to its loading history and loading path. The mechanical properties, fracture damage features, acoustic emission (AE) characteristics, and strain energy evolution of the Beishan shallow-layer granite used in triaxial unloading tests were investigated in this study. Three …
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