Results 301 to 310 of about 402,358 (326)

Geological and geotechnical challenges on the Great Dyke of Zimbabwe and their impact on hardrock pillar design

open access: yesDeep Underground Science and Engineering, EarlyView.
The Great Dyke of Zimbabwe is notable for its rich platinum group metal deposits but poses significant geological and geotechnical challenges due to its complex rock types and structural features. Traditional pillar design methods are insufficient for addressing these complexities; the study suggests incorporating advanced techniques such as machine ...
Tawanda Zvarivadza   +3 more
wiley   +1 more source

Real‐time monitoring of tunnel structures using digital twin and artificial intelligence: A short overview

open access: yesDeep Underground Science and Engineering, EarlyView.
How artificial intelligence (AI) and digital twin (DT) technologies are revolutionizing tunnel surveillance, offering proactive maintenance strategies and enhanced safety protocols. It explores AI's analytical power and DT's virtual replicas of infrastructure, emphasizing their role in optimizing maintenance and safety in tunnel management.
Mohammad Afrazi   +4 more
wiley   +1 more source

Study on fracture parameter calibration and failure characteristics of rock with hole and crack

open access: yesDeep Underground Science and Engineering, EarlyView.
The SIF and plastic zone equations for a single hole and crack have been derived. The model's failure state leads to the identification of four types of cracks. The plastic zone increases with increased brittleness and decreased crack length. Abstract Cracks within the surrounding rock of roadways significantly affect their stability and failure ...
Shaochi Peng, Wensong Wang
wiley   +1 more source
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Pediatric Accident Prevention

Clinical Pediatrics, 1982
Accidents remain a major health problem for children of all ages, in spite of attempts at prevention by industry, health workers, educators, and legislation. In order of decreasing frequency, serious pediatric accidents include moving- vehicle accidents, water-related accidents, burns, poisonings, and falls.
John S. O'Shea   +2 more
openaire   +3 more sources

Prevention of Accidents to the Aged

Postgraduate Medicine, 1963
Elderly persons often have accidents simply because they cannot break the habit of hurrying.A study showed that a fail, loss of balance, or a misstep accounted for 61 per cent of the spinal fractures in a series of 163 elderly patients. The author gives helpful suggestions and lists effective means for preventing such accidents to the aged.
openaire   +3 more sources

Pointers to Preventing Accidents

AJN, American Journal of Nursing, 1963
Henrietta K, age 29, is respected for her efficient manner in discharging the duties of assistant head nurse. But during the past 18 months, her record in the nursing office shows, she has been directly or indirectly involved in several accidents on the ward, such as failure to note medications given and failure to replace side rails.
Sylvia B. Kummer, Jerome M. Kummer
openaire   +2 more sources

Childhood Accidents and Their Prevention

Archives of Pediatrics & Adolescent Medicine, 1957
Magnitude and Scope of the Problem Three persons will die and about four hundred fifty persons will suffer injury from accidental causes in the United States during the course of this presentation. Ninety-two thousand (92,000) persons died from accidents last year and more than 9,200,000 injuries were reported in the United States in the same period.
openaire   +3 more sources

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