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BOULDER: 作品数：50被引量：59H指数：4; 导出分析报告; 相关领域：天文地球电子电信更多>>; 相关机构：《中国电子商情：视听前线》编辑部深圳市宜友国际科技有限公司卡骆驰公司更多>>; 相关期刊：《高保真音响》《视听技术》《视听前线》《Journal of Mountain Science》更多>>; 相关基金：国家自然科学基金上海市浦江人才计划项目上海市自然科学基金国家重点基础研究发展计划更多>>

Impacts and depositional behaviors of debris flows on natural boulder-negative Poisson's ratio anchor cable baffles: 《Journal of Rock Mechanics and Geotechnical Engineering》2025年第2期946-959,共14页Feifei Zhao Manchao He Qiru Sui Zhigang Tao; financial support from the National Natural Science Foundation of China(Grant No.41941018).; The impacts of natural boulders carried by debris flows pose serious risks to the safety and reliability of structures and buildings.Natural boulders can be highly random and unpredictable.Consequently,boulder control...; 关键词：Debris flow Natural boulders NPR anchor cable BAFFLE Depositional behavior Impact

Indirect evaluation of the influence of rock boulders in blasting to the geohazard:Unearthing geologic insights fused with tree seed based LSTM algorithm: 《Geohazard Mechanics》2024年第4期244-257,共14页Blessing Olamide Taiwo Shahab Hosseini Yewuhalashet Fissha Kursat Kilic Omosebi Akinwale Olusola NSri Chandrahas Enming Li Adams Abiodun Akinlabi Naseer Muhammad Khan; funded by China Scholarship Council (No.202006370006).; Effective control of blasting outcomes depends on a thorough understanding of rock geology and the integration of geological characteristics with blast design parameters.This study underscores the importance of adapti...; 关键词：Oversize boulder BLASTING Image analysis Downstream operation Artificial intelligence

Influence of barrier shape on impact dynamics of debris flow entraining a boulder onto rigid barriers: 《Journal of Mountain Science》2024年第12期3971-3985,共15页ZHAO Yongjie MA Yuangang LUO Gang SHEN Weigang GAO Guohui ZHAO Meng CHEN Wei; supported by the National Key Research and Development Program of China(No.2022YFC3005704);the National Natural Science Foundation of China(No.42277143);the Natural Science Foundation of Sichuan Province(2024NSFSC0100);the Fundamental Research Funds for the Central Universities(No.2682023ZTPY022);Projects of Science and Technology Research and Development Program of China Railway Group Limited(2021-Special Class-03);the Natural Science Foundation of Sichuan Province(2024NSFSC0834).; Rigid barrier is a straightforward and effective countermeasure widely used for mitigating debris flow.However,in current designs,it remains unclear how to optimize the rigid barrier to enhance its mechanical properti...; 关键词：Debris flow Rigid barrier Barrier shape Impact dynamics Numerical modelling

Dynamic-based model for calculating the boulder impact force in debris flow: 《Journal of Mountain Science》2024年第6期1930-1940,共11页YANG Chaoping ZHANG Shaojie YIN Yueping YANG Hongjuan WEI Fangqiang; supported by the National Natural Science Foundation of China(U2244227);National Key R&D Program of China(2023YFC3007205);National Natural Science Foundation of China(No.42271013).; The boulder impact force in debris flow is generally calculated by static methods such as the cantilever beam models.However,these methods cannot describe the dynamic scenario of boulder collision on structures,so the...; 关键词：Debris flow Impact force Boulder collision Dynamic-based model Engineering design

Marinoan glaciation in the Indian subcontinent——Anatomy and global implications: 《Journal of Palaeogeography》2024年第2期293-308,共16页H.N.Bhattacharya; Detailed sedimentological analysis of the Pokaran Boulder Bed,representing the most basal unit of the Neoproterozoic-Lower Cambrian Marwar Supergroup,clearly indicates its glacial origin.The glacial sediments are inte...; 关键词：NEOPROTEROZOIC Marinoan glaciation Diamictites Pokaran Boulder Bed Marwar Supergroup

Boulder-induced form roughness and skin shear stresses in a gravel-bed stream: 《Journal of Mountain Science》2024年第1期346-360,共15页DAS Ratul DATTA Akash; Boulder spacing in mountain rivers and near-wake flow zones within the boulder array is very useful for fish habitat and growth of aquatic organisms.The present study aims to investigate how the boulder array and spac...; 关键词：Array of boulders Near wake flow zones Velocity distributions Skin roughness Form induced shear stresses

Typhoon vs. cold wave: a comparative assessment of geomorphic response and boulder displacement using RFID technology被引量：1: 《Acta Oceanologica Sinica》2023年第7期25-40,共16页Lingbo Li Feng Cai Hongshuai Qi Lulu Qiao Shaohua Zhao Gen Liu Jianhui Liu; The National Natural Science Foundation of China under contract No.41930538;the Scientific Research Foundation of the Third Institute of Oceanography,Ministry of Natural Resources under contract No.2019029.; Extreme storm events in coastal zones play significant roles in shaping the morphology of boulder beaches.However,boulder displacement and the geomorphological evolution of boulder beaches driven by different extreme ...; 关键词：boulder displacement RFID tracing technology extreme events boulder beach morphology

Pre-blasting Pretreatment of Boulder in Shield Tunnel in Sea Area: 《外文科技期刊数据库(文摘版)工程技术》2022年第8期142-147,共6页DENGYouchun; Chinas urban underground space construction is booming. Different terrain construction methods are different, and different methods are adopted according to the terrain and rock structure. This journal explains the ca...; 关键词：solitary stone BLASTING tunnel shield

A 370 million-year-old boulder unearthed at school: 《Changjiang Weekly》2022年第27期5-5,共1页Yang Feng; "How old are the boulders on Fenghuang Hil!"To find the answer to the question from his students,Chen An,a geography teacher at No.14 Middle School of Wuhan,checked documents and asked experts,and finally found that t...; 关键词：checked finally MIDDLE

Characterizing Clustering in Boulder Bed Channels and the Impact on Shear Stress Equations: 《Journal of Water Resource and Protection》2021年第4期283-292,共10页Katherine Clancy; Boulders and cobbles are often used in stream restoration projects to increase flow resistance and enhance channel stability and habitat diversity. Particle size metrics determined from the particle distribution are o...; 关键词：Boulder Bed Shear Stress Particle Distribution D₈₄

BOULDER