Soldier pile walls – 3D numerical analysis of soldier pile embedment

The paper is focused to a determination of spatial passive earth pressure (soil resistance) in the embedded part of the soldier pile. The analysis of 3D passive earth pressure is done numerically in software Plaxis 3D Tunnel v 2.2. The analysis of 3D passive earth pressure (soil resistance) is done for cantilever soldier pile walls in sand. The parameters for constitutive models were calibrated based on laboratory tests (triaxial – CD and oedometric tests). Hardening soil model is used in analysis. Outputs of the numerical analysis present a comparison for the resulting passive earth force in case of different b/d ratios and different angles of internal friction, parameter ωR which is used in approach by Weissenbach and finally the magnitude of 3D passive earth pressure coefficients (KP,3D) for different soldier pile distance (L), embedment depth (d) and angles of internal friction (ϕ´). Numerical analysis showed that the 3D passive earth pressure is higher than currently presented approach by Weissenbach. The other present theories don’t take to account the behaviour for higher slenderness ratio and influence adjacent soldier pile no way

Entrapment der A.tibialis anterior in einer distalen Tibiafraktur nach intramedullärer Nagelung

Zusammenfassung: Es wird ein Fallbericht über ein Entrapment der A.tibialis anterior im Rahmen der Versorgung einer distalen geschlossenen Tibiafraktur mit Hilfe eines Tibianagels präsentiert. Wegen offenen Metatarsalefrakturen mit einer schwerer Weichteilverletzung der gleichen Seite wurde nach mehreren Débridements eine freie Latissimus-dorsi-Lappenplastik zur Deckung geplant. Die präoperative Angiographie zeigte einen Verschluss der A.tibials anterior auf Frakturhöhe. Der Verschluss wurde als eine sekundäre Gefäßokklusion interpretiert, die durch eine Intimaverletzung des Gefäßes im Rahmen der Verletzung verursacht wurde. Das Entrapment der Arterie im Frakturspalt wurde erst intraoperativ während der Präparation für die Gefäßanstomosierung der Lappenplastik festgestell

Smartphones: Addiction, or Way of Life?

Due to the widespread popularity and seeming dependence on smartphones, especially by millennials and post-millennials, many parents, teachers, and even medical professionals have expressed concern that an entire generation may be addicted to these devices and the various social media to which they provide access. Sociologically, however, it may be more insightful to apply some of the well-established theories related to social change and adaptation to technology, to describe, analyze, and better explain the massive popularity and widespread use of this particular phenomenon as a way of life and its impact on human behavior, social interaction, culture, and society

Predictive ability of the ISS, NISS, and APACHE II score for SIRS and sepsis in polytrauma patients

Purpose: Systemic inflammatory response syndrome (SIRS) and sepsis as causes of multiple organ dysfunction syndrome (MODS) remain challenging to treat in polytrauma patients. In this study, the focus was set on widely used scoring systems to assess their diagnostic quality. Methods: A total of 512 patients (mean age: 39.2±16.2, range: 16-88years) who had an Injury Severity Score (ISS) ≥17 were included in this retrospective study. The patients were subdivided into four groups: no SIRS, slight SIRS, severe SIRS, and sepsis. The ISS, New Injury Severity Score (NISS), Acute Physiology and Chronic Health Evaluation II (APACHE II) scores, and prothrombin time were collected at admission. The Kruskal-Wallis test and χ2-test, multinomial regression analysis, and kernel density estimates were performed. Receiver operating characteristic (ROC) analysis is reported as the area under the curve (AUC). Data were considered as significant if p<0.05. Results: All variables were significantly different in all groups (p<0.001). The odds ratio increased with increasing SIRS severity for NISS (slight vs. no SIRS, 1.06, p=0.07; severe vs. no SIRS, 1.07, p=0.04; and sepsis vs. no SIRS, 1.11, p=0.0028) and APACHE II score (slight vs. no SIRS, 0.97, p=0.44; severe vs. no SIRS, 1.08, p=0.02; and sepsis vs. no SIRS, 1.12, p=0.0028). ROC analysis revealed that the NISS (slight vs. no SIRS, AUC 0.61; severe vs. no SIRS, AUC 0.67; and sepsis vs. no SIRS, AUC 0.77) and APACHE II score (slight vs. no SIRS, AUC 0.60; severe vs. no SIRS, AUC 0.74; and sepsis vs. no SIRS, AUC 0.82) had the best predictive ability for SIRS and sepsis. Conclusion: Quick assessment with the NISS or APACHE II score could preselect possible candidates for sepsis following polytrauma and provide guidance in trauma surgeons' decision-makin

Caricature and Hyperbole in Preservice Teacher Professional Development

Professional development (PD) “for diversity” aims to prepare teachers to support students from varying backgrounds to succeed, often in underresourced contexts. Although many teachers invite such inquiry as part of learning to teach, others resist “diversity” inquiry as extra to teaching, saying they cannot “do it all.” In this article, we discuss how preservice teachers at times caricature the requests of PD for diversity, hearing the task as a call to undertake superhuman tasks and to be people other than who they are. We argue that these caricatures require direct acknowledgment by both preservice teachers and teacher educators working in diverse contexts

Engaged Trauma Training Through Role-Play Observations during COVID-19

This phenomenological investigation explored counselors\u27-in-training experiences while observing role-plays of trauma-specific cases. Three themes emerged: (a) learning to be a trauma counselor, (b) growth as counselors-in-training, and (c) connection and engagement through multiple delivery methods. The findings from this study showed that observing role-plays can be an efficacious teaching approach in trauma counseling courses. Findings also suggest that integrating role-plays into trauma curricula helped students understand the complexity of trauma, increase self-competency, self-efficacy, and emotional intelligence, and engage with the content in face-to-face and online formats. The authors provide a further discussion on implications for counselor education and research

Lowered Serum Triglyceride Levels among Chronic Hepatitis B-Infected Patients in Ghana

Dyslipidemia is a common finding in most studies of liver diseases. Little is however known about the effect of the two pathological stages of chronic hepatitis B (CHB) infection – chronicsymptomatic and asymptomatic – on the distribution of serum lipids in CHB infection. We conducted a study on CHB-infected patients attending specialist care at the Gastro-Intestinal (GI) Clinic at the Komfo Anokye Teaching Hospital (KATH) during a 7-month period. 64 participants were randomly sampled over the period. On the basis of serological and liver enzyme assays, participants were categorised as chronic asymptomatic, chronic symptomatic and healthy individuals. The relationship between the hosts pathological stage of infection were evaluated with the indices of lipid metabolism – LDL, HDL, triglyceride, and total serum cholesterol using ANOVA. The 64 volunteers recruited in the study were found to consist of 18 patients (28.1%) who were chronic symptomatic, 35 patients (54.7%) who were chronic asymptomatic hepatitis B, and 11 (17.2%) were healthy subjects. Significant overall male dominance was observed among all categories of population enrolled (p=0.0063). Serum triglyceride levels decreased more among the CHB-infected population compared to the healthy individuals (p=0.0010) with value lowest among the chronic symptomatic population. Basal serum cholesterol, HDL, and LDL were unaffected by the disease. This work reveals that serum triglyceride is significantly lowered in CHB infection and that the extent of this decrease in host is independent of the pathological stage of the infection.Keywords: chronic hepatitis B, lipid metabolism, triglyceride, chronic symptomati

Constructing habitus: promoting an international arts trend at the Singapore Arts Festival

The Singapore Arts Festival (SAF) is Singapore’s largest government-supported international arts festival. SAF presents the best in international and local arts, in an attempt, to develop what it perceives to be a lack of cultural knowledge of the Singaporean arts-going public. Using Pierre Bourdieu’s key concept of ‘habitus’ together with an analysis of the programming of the festival, this paper will highlight how the festival seeks to create a specific cultural taste in Singaporean art-goers through privileging and promoting works that are internationally marketable to European countries. The paper will conclude that this programming style occurs at the expense of Singaporean artists and hinders the development of the city’s state cultural and artistic development

Increased sleep need and daytime sleepiness 6 months after traumatic brain injury: a prospective controlled clinical trial

In a controlled, prospective, electrophysiological study, Imbach et al. demonstrate increased sleep need and excessive daytime sleepiness 6 months after traumatic brain injury. Sleep is more consolidated after brain trauma, and an increase in sleep need is associated with intracranial haemorrhage. Trauma patients underestimate their increased sleep need and sleepines

Nanosat Intelligent Power System Development

NASA Goddard Space Flight Center is developing a class of satellites called nano-satellites. The technologies developed for these satellites will enable a class of constellation missions for the NASA Space Science Sun-Earth Connections theme and will be of great benefit to other NASA enterprises. A major challenge for these missions is meeting significant scientific- objectives with limited onboard and ground-based resources. Total spacecraft power is limited by the small satellite size. Additionally, it is highly desirable to minimize operational costs by limiting the ground support required to manage the constellation. This paper will describe how these challenges are met in the design of the nanosat power system. We will address the factors considered and tradeoffs made in deriving the nanosat power system architecture. We will discuss how incorporating onboard fault detection and correction capability yields a robust spacecraft power bus without the mass and volume penalties incurred from redundant systems and describe how power system efficiency is maximized throughout the mission duration