Results 91 to 100 of about 26,903 (228)

Research on energy evolution law and control method of deformation of high stress roadway surrounding rock

Meitan xuebao
Aiming at the problem of deformation and damage of surrounding rock in the roadway of coal mine back to mining, the study is carried out from the perspective of plastic dissipation generated by surrounding rock, so as to form a stable system in terms of ...
Hongtao LIU, Zhou HAN, Zihan CHEN, Zijun HAN, Qingyu LIU, Hongkai ZHANG, Dandan ZHANG, Jialu LIANG   +7 more
doaj   +1 more source

Town of Hampton Stormwater Management PREP Natural Resources Outreach Coalition Grant Final Project Report [PDF]

, 2010
PREP provided $3,500 towards the project which was matched by municipal funds to pay for consulting advice on improving the regulations. The Planning Board provided exceptional in-kind match on the project, with many hours of work spent by a volunteer ...
Natural Resources Outreach Coalition, Town of Hampton, New Hampshire   +1 more
core   +2 more sources

Assessing Post‐Earthquake Emergency Healthcare Accessibility Considering Damage to Hospital Buildings and Transportation Infrastructure

Earthquake Spectra, Volume 42, Issue 2, May 2026.
This article presents a framework for performing a regional assessment of the accessibility of emergency healthcare facilities after a major earthquake. Accessibility is assessed by applying the enhanced two‐step floating catchment area method to a regional road network, implemented in ArcGIS.
Kiranjot Kaur, Carlos Molina Hutt, Amy M. Kim   +2 more
wiley   +1 more source

Principle and technology of step strengthening control of soft rock argillization roadway in coal mine

Meitan xuebao
The sedimentary rock strata of the coal measure are generally characterised by significant argillity, high water content and weak lithology. The problem of controlling the stability of the surrounding rock in soft rock argillation roadways has become ...
Guichen LI, Haoran HAO, Yuantian SUN, Jinghua LI, Sen YANG, Zeyu SHAO, Xiaofang WO   +6 more
doaj   +1 more source

Archaeological Testing of Site 41BX518 and other High-Potential Areas Along FM 2790 in Bexar County, Texas [PDF]

, 1988
The State Department of Highways and Public Transportation (SDHPT) conducted archaeological testing along portions of FM 2790 near Elm Creek in southern Bexar County, Texas, in May 1988.
Henderson, Jerry, McGraw, A. Joachim
core   +2 more sources

Surrounding rock control mechanism of deep coal roadways and its application

International Journal of Mining Science and Technology, 2015
Abstract Aiming at the surrounding rock control problem of mining and preparation entries in Xingdong mine with large mining depth, and the comprehensive control countermeasures including high pre-stress cable truss system, this study put forward powerful anchor support system and anchor cable adaption technology to surrounding rock deformation ...
Shengrong Xie, Erpeng Li, Shijun Li, Jinguang Wang, Chongchong He, Yafeng Yang   +5 more
openaire   +1 more source

Ancient people and living nature: A global perspective on archaeological areas and biodiversity

People and Nature, Volume 8, Issue 5, Page 1085-1099, May 2026.
Abstract Archaeological sites are not only of cultural and historical significance but also contribute to biodiversity conservation. Often marked by limited human disturbance and distinct ecological conditions, these areas serve as important refuges for various plant and animal species, playing a vital role in global conservation efforts.
Antonio Romano, Elisa Storace, Diego Ronchi, Elisa Dalla Longa   +3 more
wiley   +1 more source

Analysis of operation parameters of partial backfilling in the context of selective coal mining [PDF]

, 2019
Purpose is to determine factors of effect of mechanical parameters and geometry of packs, constructed using the undercut rocks in the process of selective coal mining, on the state of geomechanical system within a mine working-stope junction during a ...
Dereviahina, N, Malanchuk, L, Sotskov, V
core   +1 more source

Why Autonomous Vehicles Are Not Ready Yet: A Multi‐Disciplinary Review of Problems, Attempted Solutions, and Future Directions

Journal of Field Robotics, Volume 43, Issue 3, Page 2254-2341, May 2026.
ABSTRACT Personal autonomous vehicles can sense their surrounding environment, plan their route, and drive with little or no involvement of human drivers. Despite the latest technological advancements and the hopeful announcements made by leading entrepreneurs, to date no personal vehicle is approved for road circulation in a “fully” or “semi ...
Xingshuai Dong, Massimiliano Cappuccio, Fady Alnajjar, Luqman Ali, Hamad Al Jassmi, Essam Debie, Milad Ghasrikhouzani, Alessandro Lanteri, Tate McGregor, Oleksandra Molloy, Alice Plebe, Michael Regan, Eduardo Sandoval, Dongmo Zhang   +13 more
wiley   +1 more source

Research on dissimilation characteristics and control method of failure of surrounding rock in the roadway with repeated mining of steep and ultra-close multiple coal seam

Meitan kexue jishu
During the process of mining of the steep and ultra-close multiple coal seam groups, the roadway is affected by multiple mining, the regional stress environment is complex, the deformation and failure of the roadway is severe and the non-uniform ...
Housheng JIA, Zhiming ZHANG, Shaowei LIU, Bo PENG, Hui YU, Shuaiqin SHAO, Yibo WANG   +6 more
doaj   +1 more source