Most papers are machine-translated to English; some are originally in English.
Showing 50 of 516 papers in Earth & Space
Big data has brought new opportunities to landslide research; however, due to issues such as complex data types, diverse semantic relationships, and unclear sharing mechanisms, deep mining of landslide data remains limited, and the advantages of big data are difficult to realize in landslide researc…
Shenzhen is a megacity that emerged following China's reform and opening-up, having experienced rapid urbanization with frequent land transformation. Simultaneously influenced by a subtropical monsoon climate, the jurisdiction features abundant rainfall and dense vegetation cover, rendering geologic…
Red beds refer to the collective term for red rock series deposited throughout various geological historical periods, represent typical "slip-prone strata", and are prone to triggering clustered geological hazards during intense rainfall events. A review of research findings on the development, dist…
The Ms 6.2 Jishishan earthquake in Gansu on December 18, 2023, triggered a typical earthquake-induced liquefaction-type landslide-debris flow in Jintian Village and Caotan Village, Zhongchuan Township, Minhe County, Haidong City, Qinghai Province, resulting in numerous houses being surrounded and bu…
The complex deformation behavior of landslides can be described by the three-stage deformation curve of geotechnical materials, providing an effective phenomenological tool for early warning and prediction. However, to date, the physical mechanism underlying the three-stage deformation of landslides…
To mitigate the adverse effects of concealed landslide hazards in densely vegetated mountainous regions on the full life cycle of highways, this study leveraged the vegetation-penetrating capability of airborne LiDAR to obtain a high-precision DEM with 0.2m spatial resolution for the under-construct…
Natural rock mass discontinuities exhibit unique mechanical properties that define weak zones within rock masses, playing a decisive role in the structure, strength, and stability of various rock engineering applications including tunnel support, surrounding rock classification, and slope reinforcem…
Around 11:50 AM on February 8, 2025, Beijing time, a sudden landslide occurred at Gaojiaping, Jinping Village, Mu'ai Town, Junlian County, Yibin City, Sichuan Province, resulting in severe casualties and property damage. To investigate the kinematic process of the landslide, seismic records generate…
To address the challenge that traditional ground survey methods struggle to identify high-position concealed landslide hazards, the author's team proposed a "space-air-ground" collaborative "Three-Survey" system for landslide hazard identification and monitoring, which has been applied engineering-w…
Deep-buried tunnels face coupled multi-hazard threats from high rock temperature, high-temperature water, and harmful gas outbursts, which induce thermal hazard effects including deterioration of the temperature-humidity environment within tunnels, intensified deformation and failure of surrounding …
Geological disasters occur frequently in China, with particularly severe disaster-induced losses. Multiple major geological disaster events in recent years have demonstrated that geological disaster prevention and control in densely vegetated mountainous areas and inaccessible regions constrained by…
As a major technical challenge in tunnel construction, thermal hazards induced by geothermal anomalies encompass disaster-causing elements including hot water and gas sources, transport pathways, dynamic mechanisms, and engineering indicators, featuring strong concealment, high suddenness, and compl…
In mid-to-late April 2024, an extreme heavy rainfall event occurred in Shaoguan City, Guangdong Province, triggering a large number of landslide disasters in the Jiangwan Town area of Shaoguan, causing certain regions to remain disconnected for nearly 36 hours and attracting widespread social attent…
Landslide hazards rank among the natural disasters with the highest frequency, widest distribution, and most severe losses globally, posing a grave threat to human life and property safety as well as major engineering facilities. Scientific monitoring serves as a critical technical prerequisite for …
Heat hazards in deep-buried tunnels have emerged as a significant challenge constraining their safe construction. This paper addresses the limitation of current tunnel heat hazard research, which primarily focuses on managing high rock temperature and high ambient temperature during the construction…
The Shuangjiangkou Hydropower Station is located in the high mountain and gorge area of Aba Prefecture, Sichuan Province, and is the world's highest under-construction earth-core rockfill dam (maximum dam height 315 m), as well as one of China's most technically challenging hydropower projects. Its …
On February 8, 2025, an extra-large high-position landslide-debris flow disaster occurred at Jinping Village, Mu'ai Town, Junlian County, Yibin City, Sichuan Province, resulting in significant casualties and property losses. This study systematically investigates the chain-forming mechanism and emer…
Advancing into the deep Earth represents a strategic scientific and technological challenge that must be addressed, and the development of deep underground resources and space has emerged as a crucial direction for China's future scientific and technological advancement. As a significant clean energ…
The Longmenshan strong earthquake zone widely features "V"-shaped erosion-denudation alpine gorge landforms. The Longmenshan fault zone within the region has continuously maintained strong tectonic activity since the Quaternary, resulting in frequent collapse and landslide disasters that seriously t…
Water impoundment of large reservoirs exerts a significant triggering effect on reservoir bank landslides. Research on early identification and deformation evolution of reservoir bank landslides can provide important support for geological disaster prevention and control in reservoir areas. The Lian…
During subway construction, mitigating the impact of construction on the surrounding environment and protecting adjacent buildings and utilities has always been a critical focus of construction control. This paper presents a case study of a station on Shanghai Metro Line 15, where the adjacent hotel…
The Dongjiekou Station of the Fuzhou Urban Rail Transit Line 4 Phase I Project is located in the city center area, constituting a three-level underground station featuring a cross interchange with Line 1. The surrounding environment is complex, with certain foundation pit retaining structures positi…
With the continuous advancement of trenchless technology, the application scope of rectangular pipe jacking construction has been continuously expanding. This paper takes the super-large cross-section rectangular pipe jacking construction with a middle partition wall for Fuzhou Metro Line 4 as an ex…
The construction of inclined shafts in extra-long highway tunnels constitutes an important auxiliary construction measure that increases working faces, facilitates mucking and material transportation, improves ventilation, and enhances construction efficiency, thereby holding significant importance …
Against the backdrop of integrated development of urban rail transit and various types of railways in China, the application of single-tube double-track shield tunnels is increasing. Compared with traditional double-tube double-track tunnels, they have larger diameters and more complex internal stru…
The Shanghai Metropolitan Railway Airport Link Line Project marks the first implementation of fully prefabricated assembly technology for circular tunnel interior structures in the domain of large-diameter shield tunnels within China. The tunnel features an outer diameter of 13.6 m and an inner diam…
Soil conditioning is one of the important methods to ensure tunnel face stability and excavation efficiency in Earth Pressure Balance (EPB) shield tunneling. Commonly used soil conditioning agents currently include water, foam, bentonite slurry, polymers, and other materials. At present, there is a …
Taking the EPB shield tunneling of Guangzhou Metro Line 18 through full-face sand layers at large burial depth as the engineering background, this paper summarizes the key technologies for soil conditioning during construction and draws the following conclusions: 1) When shield tunneling through wat…
As shield tunneling technology extends toward super-large diameters and complex geological conditions, the safety control of shield tunneling through existing building pile foundation groups has become a critical engineering challenge. This paper takes the Guangzhou Haizhuwan Tunnel Project as the r…
In recent years, with the undergrounding and intensification of municipal utility facilities, pipe jacking construction has been increasingly widely applied. This paper takes the Shenzhen Metro Line 16 co-constructed utility tunnel project as an example to elaborate on pipe jacking machine construct…
Addressing the technical challenge of high-precision attitude control during the launch phase of small-radius shield tunnels, this paper, based on a specific case study, innovatively integrates quantitative analysis and mechanical mechanisms to systematically summarize seven deviation correction str…
This project is based on a subway project in Shenzhen, which is constructed along the coast and primarily traverses sand layers, silty soil, completely weathered granite, upper-soft lower-hard strata, and rock-fill layers, with conditions including lateral crossing of bridge piles, high water pressu…
The muck and mucky soil in Nansha District exhibit characteristics including higher water content, large void ratio, low natural density, high compressibility, and low strength. Compared with marine soft soils in other domestic regions, they exert a more pronounced influence on engineering construct…
Identification and calculation of debris flow sources constitute the foundation for scientifically assessing the scale, hazard level, and comprehensive management of debris flows. However, traditional ground surveys and optical remote sensing methods struggle to effectively identify debris flow sour…
Geological hazard identification serves as the foundation for disaster susceptibility assessment, monitoring, and early warning. Conventional manual ground surveys and satellite remote sensing encounter substantial difficulties in identifying geological hazards in high-vegetation-covered mountainous…
Understanding the history and current status of geological hazards through advance geological surveys is of great significance for ultimately achieving identification and early warning of potential disasters. Currently, traditional manual ground survey methods struggle to detect and investigate majo…
As one of the precursor characteristics of slope deformation, surface cracks can provide predictive information for early identification of geological hazards and determination of kinematic instability characteristics. Constrained by terrain conditions, manual inspection suffers from low efficiency,…
Insight-HXMT (Insight-Hard X-ray Modulation Telescope) is China's first space X-ray astronomical satellite, whose primary scientific objectives are to study compact objects such as black holes and neutron stars and to monitor violent explosive phenomena such as gamma-ray bursts; isolated X-ray pulsa…
Weakly magnetized neutron star low-mass X-ray binaries generally refer to low-mass X-ray binary systems where the primary star (neutron star) has a magnetic field strength below 10^10 Gs. The neutron star accretes matter from the companion star via an accretion disk through Roche-lobe accretion, rel…
Since its successful launch in 2017, the Insight Hard X-ray Modulation Telescope (Insight-HXMT) has been operating continuously for over 8 years, accumulating massive observational data. In observations of multiple thermonuclear burst sources, it has detected more than 200 thermonuclear burst events…
Since its launch in 2017, the Insight Hard X-ray Modulation Telescope (Insight-HXMT), leveraging its advantages of a broad energy band, large effective area, and high observation frequency, has become one of the most important astronomical satellites in the field of accreting X-ray pulsar research. …
Thanks to the wide energy band (1–250 keV) and large effective area of the Insight Hard X-ray Modulation Telescope (Insight-HXMT) satellite, it has achieved a series of important scientific results during its on-orbit operation. Insight-HXMT has monitored the outburst evolution of a batch of black h…
Quasi-Periodic Oscillation (QPO) phenomena are ubiquitous in the light curves of X-ray binaries, and are generally believed to originate from accretion flows in close proximity to the compact star; consequently, QPOs serve as important probes for testing general relativistic effects in strong gravit…
Black Hole X-Ray Binary (BHXRB) is a binary system composed of a central compact black hole and its companion star. During its outburst phase, it is always accompanied by multi-wavelength radiation. With the development of multi-wavelength astronomy, a general picture of the physical processes behin…
Systematically reviews the primary measurement methods for the fundamental parameters of black holes—mass and spin—and briefly introduces distance measurement techniques for black hole binary systems. Through case studies, it demonstrates the importance of precise distance measurement for the correc…
This paper reviews the 6-year Galactic Plane Scan Survey conducted by Insight-HXMT (Insight Hard X-ray Modulation Telescope, Insight-HXMT), focusing on the monitoring and analysis of known X-ray sources in the Galactic plane. During the first six years of Insight-HXMT's in-orbit operation, it perfor…
This paper reviews the background characteristics of the Insight-Hard X-ray Modulation Telescope (Insight-HXMT) during the first 6 years of in-orbit operation, including the geographical distribution, energy spectrum, temporal variability characteristics, and long-term evolution of the in-orbit back…
The "Insight" Hard X-ray Modulation Telescope (abbreviated as Insight satellite, with the English name Insight Hard X-ray Modulation Telescope, abbreviated as Insight-HXMT or HXMT), launched on June 15, 2017, marks the birth of China's first domestically developed observatory-class X-ray telescope. …
New-type urbanization necessitates smart, green, and efficient logistics systems to meet growing mobility demand. This paper explores the road-underground co-modality for urban freight transport (RUM4UFT) as a solution to urban traffic challenges, which includes three modal split strategies: mixed-u…
This article aims to enhance the reliability and intelligence level of tunnel waterproofing systems by introducing theories on water leakage causes, intelligent early warning technology, and drainage design. It investigates classification standards for tunnel water leakage and fault tree models, and…
