construction of asphaltic core dams is a relatively novel method especially in iran. iran is located in a region with high seismicity risk. therefore, many researchers have focused on the behavior of such types of dams under earthquake loading. in this research, the behavior of asphaltic core rockfill dams (acrd) has been studied under earthquake loading using nonlinear dynamic analysis method ...

During the past 20 years of research in occupational safety and health (OSH), major contributions have been made by psychology in general, foremost German work and organizational psychology. This is the result of an empirical study with 216 scientific projects that were analyzed by content, and 32 interviews on OSH with experts on science, as well as in professional occupations and federations....

BACKGROUND Researchers have found that management safety practices may predict occupational injuries and psychological distresses in the workplace. The present study examined the perception of management safety practices related to injuries reporting and its dimensions among workers of Isfahan Steel Company (ESCO). METHODS A self-administered anonymous survey was distributed to 189 workers. T...

Acute stress disorder is a psychiatric diagnosis that may occur in patients within four weeks of a traumatic event. Features include anxiety, intense fear or helplessness, dissociative symptoms, reexperiencing the event, and avoidance behaviors. Persons with this disorder are at increased risk of developing posttraumatic stress disorder. Other risk factors for posttraumatic stress disorder inc...

This social psychological analysis explores themes of trust and collective learning in teams. I describe interpersonal risks that can inhibit collective learning, distinguish psychological safety from trust, and explain why psychological safety mitigates interpersonal risks and facilitates a structured learning process in teams. Examples from field studies in several organizational settings are...

To allocate available resources as efficiently as possible, decision makers need information on the relative economic merits of occupational health and safety (OHS) interventions. Economic evaluations can provide this information by comparing the costs and consequences of alternatives. Nevertheless, only a few of the studies that consider the effectiveness of OHS interventions take the extra st...

OBJECTIVE An expert panel was convened to select practical, valid psychosocial measures for use during National Institute for Occupational Safety and Health field investigations. METHODS A taxonomy of psychosocial constructs was developed using existing taxonomies and criteria regarding the malleability, actionability, and validity of constructs. Panel members identified measures for each con...

A framework, based on syntactic and type constraints, is provided for de ning program slices that contribute to a given type error or similar syntactic property. We specify soundness, minimality and completeness criterion for these slices and outline an algorithm for their lazy generation.