Results 71 to 80 of about 33,924 (262)

SHPB Test and Microstructure Analysis on Ready-Mixed Concrete in Uniaxial Load and Passive Confining Pressure States

Shock and Vibration, 2019
Ready-mixed concrete has been used as a support in mine roadways, where the impact load of blasting excavation can cause damage to the concrete support of the roadway. However, limited studies are available on the effect of water content, storage period,
Jing-shuang Zhang, Xue-lei Duan, Zi-yan Yang   +2 more
doaj   +1 more source

General Report of TC204 Underground Constructions

, 2013
This paper presents the general report of the TC204 session “Underground Constructions on Soft Ground” of the 18th International Conference on Soil Mechanics and Geotechnical Engineering. A total of 27 papers were assigned for this session, they were divided in six general topics and reviewed briefly in this report. Apart from the regular topics of the
Gerheim Souza Dias, Tiago, Bezuijen, Adam   +1 more
openaire   +2 more sources

Stakeholder Perspectives on Therapeutic and Safe Building Design in Residential Care

Australian Journal of Social Issues, EarlyView.
ABSTRACT Residential care is a form of out‐of‐home care that plays a critical role in supporting vulnerable young people in Australia. However, there is an evidence gap regarding the built environment in this context. This research aimed to explore the perspectives of key stakeholders in residential care in Victoria, Australia, regarding design that ...
Carmen Schroder, Olivia Crivari, Phillippa Carnemolla, Libby Callaway   +3 more
wiley   +1 more source

Elastoplastic analysis on deformation and failure characteristics of surrounding rock of soft-coal roadway based on true triaxial loading and unloading tests

Scientific Reports
Since accidents such as roof caving, rock fragmentation, and severe deformation are particularly likely to occur during roadway excavation in soft and thick coal seams, grasping the range and distribution of deformation and fracturing of surrounding rock
Chongyang Jiang, Lianguo Wang, Jiaxing Guo, Shuai Wang   +3 more
doaj   +1 more source

Analysis and Prediction of Deformation of Shield Tunnel Under the Influence of Random Damages Based on Deep Learning

Buildings
Shield tunnels in operation are often affected by complex geological conditions, environmental factors, and structural aging, leading to cumulative damage in the segments and, consequently, increased deformation that compromises structural safety.
Xiaokai Niu, Yuqiang Pan, Wei Li, Zhitian Xie, Wei Song, Chengping Zhang   +5 more
doaj   +1 more source

Experimental Research on Microstructure and Physical-Mechanical Properties of Expansive Soil Stabilized with Fly Ash, Sand, and Basalt Fiber

Advances in Materials Science and Engineering, 2018
Expansive soil is a source of risk to the foundations or subgrade engineering. Stabilization of expansive soil is imperative for practical engineering.
Qin-yong Ma, Zi-ming Cao, Pu Yuan
doaj   +1 more source

Rock splitting with pyrotechnic compositions and secondary propellants [PDF]

MATEC Web of Conferences
In some cases of resources extraction, as well as in construction at industrial and urbanized territories, commercial explosives are not safe enough for the surroundings with regard to the generated fly-rocks, air-blast, toxic fumes, seismic waves and ...
Shishkov Petar, Stoycheva Nadezhda, Penev Vladimir   +2 more
doaj   +1 more source

The progress of special fracturing technology for unconventional natural gas rock reservoirs

矿业科学学报
This paper systematically reviews the evolution and current state of special fracturing technology. Through comparative analysis of their applicability under various geological conditions, quantitative evaluation of production enhancement performance ...
LUO Ning, WEI Yucheng, CHAI Yabo, ZHOU Jianan, WANG Yiming, LIAO Yucheng, ZHANG Hu, LIN Chen, MA Guangrui   +8 more
doaj   +1 more source

Adaptive Zincophilic Synergistic Double-Network Hydrogel Electrolyte for Low-Temperature Long-Life Zinc Batteries

Micromachines
Aqueous zinc-ion batteries are promising for large-scale energy storage due to their intrinsic safety, low cost, and environmental friendliness.
Xiyao Huang, Wenwu Wang, Yibo Xiong, Zeyu Ma, Zilu Hu, Huimin Liang, Xiaoqiao Liao, Hongbin Su, Liang He, Xiaoyu Liu   +9 more
doaj   +1 more source

Reclamation Trend of Underground Construction

Procedia Engineering, 2016
Abstract The paper exposes the problems inducing to the active reclamation of underground space in large cities with established historical and architectural development as well as the problems associated its reclamation. Freed up space, as a rule, is transformed into new public spaces, parks and squares; there are new functional communications ...
Simankina, Tatiana, Braila, Natalia, Kanyukova, Svetlana   +2 more
openaire   +1 more source