Search Results - "Shang, Yanjun"

Geophysical evaluation of geological model uncertainty for infrastructure design and groundwater assessments by Hasan, Muhammad, Shang, Yanjun

“…Uncertainty in geological models, mainly caused by natural heterogeneity and inadequate data, often leads to substantial societal risk including failures of…”
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Investigating the groundwater resources of weathered bedrock using an integrated geophysical approach by Hasan, Muhammad, Shang, Yanjun

“…Groundwater occurs within fractures of crystalline hard-rock. Mostly, these fractures are covered by weathered rocks; therefore, delineation of their spatial…”
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Hard-rock investigation using a non-invasive geophysical approach by Hasan, Muhammad, Shang, Yanjun

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Application of electrical resistivity tomography (ERT) for rock mass quality evaluation by Hasan, Muhammad, Shang, Yanjun, Meng, He, Shao, Peng, Yi, Xuetao

“…Rock mass quality evaluation is a challenging task in geotechnical investigations given the natural heterogeneity and the limited data. These investigations…”
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Geophysical Investigation of Fresh‐Saline Water Interface: A Case Study from South Punjab, Pakistan by Hasan, Muhammad, Shang, Yanjun, Akhter, Gulraiz, Khan, Majid

“…The importance of the study of fresh‐saline water incursion cannot be over‐emphasized. Borehole techniques have been widely used, but they are quite expensive,…”
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Estimation of hydraulic parameters in a hard rock aquifer using integrated surface geoelectrical method and pumping test data in southeast Guangdong, China by Hasan, Muhammad, Shang, Yanjun, Jin, Weijun, Akhter, Gulraiz

“…Estimation of hydraulic parameters is important for the prediction of the future availability of groundwater reserves. Conventionally, pumping tests are…”
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Estimation of rock core indices for development of underground infrastructure using non-invasive geophysical methods by Hasan, Muhammad, Shang, Yanjun, Qi, Shengwen, Meng, Qingsen

“…Rock mass characterization offers the basis of the stability criterion for the planning and advancement of civil engineering projects. Rock core index (RCI) is…”
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Evaluation of rock mass units using a non-invasive geophysical approach by Hasan, Muhammad, Shang, Yanjun, Meng, Qingsen

“…Thorough and accurate assessment of rock mass units is important for development of engineering infrastructures and groundwater resources assessments. Rock…”
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Delineation of weathered/fracture zones for aquifer potential using an integrated geophysical approach: A case study from South China by Hasan, Muhammad, Shang, Yanjun, Jin, Weijun

“…An integrated geophysical approach involving 2D modeling of electrical resistivity tomography (ERT) and magnetic methods has been employed at a highly…”
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Delineation of contaminated aquifers using integrated geophysical methods in Northeast Punjab, Pakistan by Hasan, Muhammad, Shang, Yanjun, Akhter, Gulraiz, Jin, Weijun

“…A decline in surface water sources in Pakistan is continuously causing the over-extraction of groundwater resources which is in turn costing the saltwater…”
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An engineering site investigation using non-invasive geophysical approach by Hasan, Muhammad, Shang, Yanjun, Jin, Weijun, Akhter, Gulraiz

“…Subsurface geological formation is essential to validate design assumptions for the construction of deep engineering structures, especially in the weathered…”
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Application of VES and ERT for delineation of fresh-saline interface in alluvial aquifers of Lower Bari Doab, Pakistan by Hasan, Muhammad, Shang, Yanjun, Akhter, Gulraiz, Jin, Weijun

“…Geophysical methods are effectively used to delineate intrusion boundary between the fresh and saline aquifers because of their intrinsic capability to assess…”
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Joint geophysical prospecting for groundwater exploration in weathered terrains of South Guangdong, China by Hasan, Muhammad, Shang, Yanjun, Jin, Weijun, Akhter, Gulraiz

“…Groundwater occurrence in a hard rock terrain is strongly controlled by the weathered/fractured zones. However, delineation of such zones is a challenging task…”
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A novel approach to determine rock mechanical parameters using non-invasive geophysical methods by Hasan, Muhammad, Shang, Yanjun, Meng, He, Yi, Xuetao, Shao, Peng

“…Engineering design of the major infrastructures mainly relies on determination of rock mechanical parameters. However, such indexes are traditionally acquired…”
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Numerical simulation of hydraulic fracturing process in a naturally fractured reservoir based on a discrete fracture network model by Li, Yanyan, Hu, Wei, Zhang, Zhihong, Zhang, Zhaobin, Shang, Yanjun, Han, Lili, Wei, Siyu

“…This research presents a simulation of hydraulic fracturing process in a naturally fractured reservoir based on a discrete fracture network (DFN) model…”
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Geophysical Assessment of Groundwater Potential: A Case Study from Mian Channu Area, Pakistan by Hasan, Muhammad, Shang, Yanjun, Akhter, Gulraiz, Jin, Weijun

“…An integrated study using geophysical method in combination with pumping tests and geochemical method was carried out to delineate groundwater potential zones…”
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Evaluation of Engineering Rock Mass Quality via Integration Between Geophysical and Rock Mechanical Parameters by Hasan, Muhammad, Shang, Yanjun, Shao, Peng, Yi, Xuetao, Meng, He

“…Accurate evaluation of rock mass quality and faults/fractures is the main challenge in rock mechanics and rock engineering. Rock quality designation (RQD) is…”
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Geophysical estimation of 2D hydraulic conductivity for groundwater assessment in hard rock by Gao, Qiang, Hasan, Muhammad, Shang, Yanjun, Qi, Shengwen

“…Accurate evaluation of aquifer potential is essential for groundwater assessments. Aquifer potential is mainly evaluated by aquifer parameters. Hydraulic…”
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Evaluation of a Weathered Rock Aquifer Using ERT Method in South Guangdong, China by Gao, Qiang, Shang, Yanjun, Hasan, Muhammad, Jin, Weijun, Yang, Peng

“…In areas where weathering has hydrogeological significance, geophysical methods can assist to map the subsurface characteristics for groundwater occurrence. In…”
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Stability analysis of fractured rock mass around underground excavations based on a three-dimensional discrete fracture network by Wei, Siyu, Li, Yanyan, Shang, Yanjun, Sun, Yuanchun, Li, Kun

“…Underground excavation often encountered rock masses embedded with pre-existing fractures. Conventional excavation analysis was generally based on a continuum…”
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