Arbeitszeit und Arbeitszeitwünsche von Frauen in West- und Ostdeutschland (Working hours and wishes regarding working hours among women in western and eastern Germany)

"In the debate regarding women in employment, the problem of combining work and family plays a central role. In the old federal states the option of taking up part-time work has developed into a more frequently 'chosen' solution to this problem for women with children. In this way part-time work has become the domain of women. As a consequence of the living and working conditions which have changed since 1989/1990, it seemed natural to expect a similar trend for the new federal states, too. In order to discover more about the working hours and wishes regarding working hours of women in eastern and western Germany in their socio-economic relationship - in particular against the background of current political debates concerning the flexibilisation and reduction of working hours - the subject of working hours was taken as a focal point in the survey of women carried out late 1995 by the IAB. The bivariate and multivariate analyses on which this article is based (again) reach the result that there are still more differences than similarities between the working and living situations of women in eastern and western Germany. The labour force participation and the extent of employment of eastern German women is still clearly higher than is the case for western German women. The difference would be even greater if the wishes of all women regarding employment could be put into action. The comparison between full- and part-time workers shows that in many respects the gap between these two groups is considerably greater in the west than in the east. In particular women in full-time employment show very different socio-demographic structures in the old and new federal states. As far as the potential of female workers who would be prepared to change to part-time work is concerned, this proves to be limited in both west and east. The deficit of qualified part-time jobs and/or part-time opportunities in sectors which at present offer little in the way of part-time work seems to be an important reason which has so far prevented these women from reducing their working hours. The main reason for women wishing to work part-time at all can be found in the well-known problem of the double burden of work and family for working women. From the point of view of the women therefore both sides - and in addition the state (childcare) institutions - are called to remedy this problem with measures which are tailored to the different situations and needs of women." (Author's abstract, IAB-Doku) ((en))erwerbstätige Frauen, Frauen, Arbeitszeit, Arbeitszeitwunsch, Teilzeitarbeit, Beruf und Familie, regionaler Vergleich, Erwerbsverhalten, Westdeutschland, Ostdeutschland, Bundesrepublik Deutschland

Beschäftigungsoption Selbstständigkeit?! : Zur Integration des Gründungsthemas in die sozialwissenschaftliche Lehre am Beispiel der Johann Wolfgang-Goethe-Universität Frankfurt am Main

Das Thema 'Unternehmensgründung/ berufliche Selbstständigkeit an deutschen Hochschulen' hat seit Mitte der 1990er Jahre zunehmend an Bedeutung gewonnen, denn es wird beabsichtigt, eine Kultur der Unternehmensgründung an den Hochschulen zu etablieren und die Studierenden auf eine berufliche Selbstständigkeit als potenzielle Zukunftsperspektive vorzubereiten. Auch der Gesetzgeber integrierte in den letzten Jahren die Gründungsfrage in den Handlungsauftrag der Universitäten, z.B. im neuen hessischen Hochschulgesetz. Der vorliegende Aufsatz berichtet über eine Untersuchung am Fachbereich Gesellschaftswissenschaften der Universität Frankfurt am Main mit dem Titel 'Gründung als Option für Sozialwissenschaften: Zur Integration des Gründungsthemas in der Lehre der Sozialwissenschaften'. Es wurde danach gefragt, in welcher Weise Studierende und Promovierende der Gesellschaftswissenschaften (Soziologie und Politikwissenschaft) im Rahmen ihres Studiums auf mögliche Tätigkeitsfelder einer selbstständigen Beschäftigung hingewiesen werden können und wie sie selbst solche Angebote beurteilen. Es werden einige Sichtweisen zur Gründung als persönliches Motiv und zur Berufsorientierung in den Sozialwissenschaften vorgestellt, die spezifischen Qualifikationsmerkmale des sozialwissenschaftlichen Studiums umrissen und einige Empfehlungen zur Beschäftigungsoption 'Selbständigkeit' gegeben. (ICI2

TRIAXIAL COMPRESSIVE STRENGTH OF ULTRA HIGH PERFORMANCE CONCRETE

The aim of this work is to describe the strength of Ultra High Performance Concrete (UHPC) under triaxial compression. The main goal is to find a trend in the triaxial compressive strength development under various values of confinement pressure. The importance of triaxial tests lies in the spatial loading of the sample, which simulates the real loading of the material in the structure better than conventional uniaxial strength tests. In addition, the authors describe a formulation process for UHPC that has been developed without using heat treatment, pressure or a special mixer. Only ordinary materials available commercially in the Czech Republic were utilized throughout the material design process

TRIAXIAL COMPRESSIVE STRENGTH OF ULTRA HIGH PERFORMANCE CONCRETE

The aim of this work is to describe the strength of Ultra High Performance Concrete (UHPC) under triaxial compression. The main goal is to find a trend in the triaxial compressive strength development under various values of confinement pressure. The importance of triaxial tests lies in the spatial loading of the sample, which simulates the real loading of the material in the structure better than conventional uniaxial strength tests. In addition, the authors describe a formulation process for UHPC that has been developed without using heat treatment, pressure or a special mixer. Only ordinary materials available commercially in the Czech Republic were utilized throughout the material design process

Effect of Load Eccentricity on CRC Structures with Different Slenderness Ratios Subjected to Axial Compression

The use of nonmetallic reinforcement in concrete aims at the decrease in material consumption by reducing the component sizes when compared to conventional reinforced concrete structures, which inherently results in very filigree structures. Although intensive basic research has been carried out on textile-reinforced concrete for about 30 years, the subject of stability behavior has hardly been investigated so far. This study focuses the fundamental understanding of the structural behavior of slender carbon-reinforced concrete (CRC) structures subjected to axial compression. Therefore, buckling experiments have been carried out in order to quantify the influence of two parameters: the slenderness ratio of the specimens (varying between 60 and 130) and the load eccentricity (0, 2, and 4 mm). The results of the specimens that were tested with the initial load eccentricities revealed a good overall agreement with those obtained by a second-order theory approach throughout all of the investigated slenderness ratios. For the centrally pressed samples that featured high slenderness ratios, the failure stresses could successfully be predicted with Euler’s buckling formula, whereas this theory overestimated the results of the specimens with intermediate to low slenderness ratios due to the plastic buckling phenomenon. The presented study emphasizes that the consideration of the stability problem is inevitable when designing material-efficient structures made of textile-reinforced concrete

Beschäftigungsoption Selbstständigkeit?! Zur Integration des Gründungsthemas in die sozialwissenschaftliche Lehre am Beispiel der Johann Wolfgang-Goethe-Universität Frankfurt am Main

Das Thema 'Unternehmensgründung/ berufliche Selbstständigkeit an deutschen Hochschulen' hat seit Mitte der 1990er Jahre zunehmend an Bedeutung gewonnen, denn es wird beabsichtigt, eine Kultur der Unternehmensgründung an den Hochschulen zu etablieren und die Studierenden auf eine berufliche Selbstständigkeit als potenzielle Zukunftsperspektive vorzubereiten. Auch der Gesetzgeber integrierte in den letzten Jahren die Gründungsfrage in den Handlungsauftrag der Universitäten, z.B. im neuen hessischen Hochschulgesetz. Der vorliegende Aufsatz berichtet über eine Untersuchung am Fachbereich Gesellschaftswissenschaften der Universität Frankfurt am Main mit dem Titel 'Gründung als Option für Sozialwissenschaften: Zur Integration des Gründungsthemas in der Lehre der Sozialwissenschaften'. Es wurde danach gefragt, in welcher Weise Studierende und Promovierende der Gesellschaftswissenschaften (Soziologie und Politikwissenschaft) im Rahmen ihres Studiums auf mögliche Tätigkeitsfelder einer selbstständigen Beschäftigung hingewiesen werden können und wie sie selbst solche Angebote beurteilen. Es werden einige Sichtweisen zur Gründung als persönliches Motiv und zur Berufsorientierung in den Sozialwissenschaften vorgestellt, die spezifischen Qualifikationsmerkmale des sozialwissenschaftlichen Studiums umrissen und einige Empfehlungen zur Beschäftigungsoption 'Selbständigkeit' gegeben. (ICI2

SFB/Transregio 280 zu Konstruktionsstrategien für Carbonbeton

Ein Blick in die Baugeschichte zeigt, dass sich in Abhängigkeit der vorhandenen Baumaterialien jeweils typische, sinnvolle Konstruktionsformen herausgebildet haben. Bereits vor mehr als 10.000 Jahren errichtete man Gebäude aus Ziegelmauerwerk [1]. Im antiken Rom erlebte der opus caementitium seine Glanzzeit [2]. Beide Materialien sind sehr druck-, aber wenig zugfest. Folglich findet man hauptsächlich druckbeanspruchte Strukturen wie Wände oder Kuppeln, für Decken wurde beispielsweise Holz genutzt. Für Naturbrücken aus zugfesten Pflanzenmaterialien hingegen sind Hängekonstruktionen prädestiniert. Mit Stahl und bewehrtem Beton können auch biegebeanspruchte Konstruktionen realisiert werden. Allerdings nimmt man hierbei in der Regel in vielen Tragwerksbereichen eine mangelhafte Materialausnutzung in Kauf. [Aus: Intention]A look at the construction history shows that typical, sensible forms of construction have developed depending on the building materials available. More than 10,000 years ago, buildings were already made of brickwork [1]. In ancient Rome, the opus caementitium experienced its heyday [2]. Both materials were very resistant to pressure, but had little tensile strength. Consequently, one mainly finds structures subject to compressive stress such as walls or cupolas; for ceilings, for example, wood was used. For natural bridges made of tension-resistant plant materials, on the other hand, suspended structures are predestined. With steel and reinforced concrete, structural elements subject to bending stress can also be realised. However, in many areas of such structures, insufficient utilisation of the material is accepted. [Off: Intention

16p11.2 600 kb Duplications confer risk for typical and atypical Rolandic epilepsy

Rolandic epilepsy (RE) is the most common idiopathic focal childhood epilepsy. Its molecular basis is largely unknown and a complex genetic etiology is assumed in the majority of affected individuals. The present study tested whether six large recurrent copy number variants at 1q21, 15q11.2, 15q13.3, 16p11.2, 16p13.11 and 22q11.2 previously associated with neurodevelopmental disorders also increase risk of RE. Our association analyses revealed a significant excess of the 600 kb genomic duplication at the 16p11.2 locus (chr16: 29.5-30.1 Mb) in 393 unrelated patients with typical (n = 339) and atypical (ARE; n = 54) RE compared with the prevalence in 65 046 European population controls (5/393 cases versus 32/65 046 controls; Fisher's exact test P = 2.83 × 10−6, odds ratio = 26.2, 95% confidence interval: 7.9-68.2). In contrast, the 16p11.2 duplication was not detected in 1738 European epilepsy patients with either temporal lobe epilepsy (n = 330) and genetic generalized epilepsies (n = 1408), suggesting a selective enrichment of the 16p11.2 duplication in idiopathic focal childhood epilepsies (Fisher's exact test P = 2.1 × 10−4). In a subsequent screen among children carrying the 16p11.2 600 kb rearrangement we identified three patients with RE-spectrum epilepsies in 117 duplication carriers (2.6%) but none in 202 carriers of the reciprocal deletion. Our results suggest that the 16p11.2 duplication represents a significant genetic risk factor for typical and atypical R

ESTRUTURA DA ASSEMBLEIA DE FORMIGAS (HYMENOPTERA: FORMICIDAE) EPIGÉICAS EM ÁREAS REABILITADAS APÓS MINERAÇÃO DE CARVÃO A CÉU ABERTO NO SUL DE SANTA CATARINA, BRASIL

A mineração de carvão representa uma das atividades que causa elevada degradação ambiental, com grande destaque para a região sul de Santa Catarina. O processo de reabilitação das áreas mineradas passa por uma série de procedimentos, visando à restauração das condições mínimas necessárias para o reestabelecimento da biodiversidade. Pesquisas que avaliem este processo são fundamentais para o monitoramento do grau de reestruturação destas áreas

Investigation of the Crack Behavior of CRC Using 4D Computed Tomography, Photogrammetry, and Fiber Optic Sensing

The highly irregular crack pattern of reinforced concrete has been studied primarily at the surface. The ability to extend image correlation into the interior of structures by using X-ray computed tomography (CT) opens up new possibilities for analyzing the internal mechanics of concrete. In order to enable a complete material characterization, it is necessary to study the crack geometry at the micro level in 3D images over time, i.e., 4D data. This paper presents the results of in situ CT tests that were carried out on carbon-reinforced concrete (CRC) beams subjected to bending load. The main objective of the tests was the experimental analysis of the evolution of individual cracks at different stages of their formation by applying digital volume correlation (DVC) to the 4D image data from the computed tomography. The results obtained from the CT were compared with other measurement techniques, such as distributed fiber optic sensing, clip gauges, and digital image correlation (DIC)