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Stahlbetonbau

weitere Zeitschriftenartikel

01.12.2019 | Aus Forschung und Entwicklung | Ausgabe 12/2019

Innovative Heißklebung von tragenden Holz-Beton-Verbundelementen

Deckensysteme in Holz-Beton-Verbundbauweise sind in der Ausführungsvariante mittels Frischbeton und mechanischen Verbindungsmitteln im Bauwesen etabliert. Der Herstellungsprozess wird aufgrund des vergleichsweise hohen Aufwands beim Einbringen der …

Autoren:
Malte Mérono, Dr. Carola Link, Gregor Wisner, Elisabeth Stammen, Prof. Dr. Klaus Dilger, Jens Frohnmüller, Prof. Dr. Werner Seim

10.05.2019 | Structural Engineering | Ausgabe 7/2019

Development of Virtual Load Rating Method for Taxiway Bridge under Aircraft Taxiing

This paper presents finite element model (FEM) based virtual load rating method for accurately and efficiently evaluating the bearing capacity of taxiway bridge in the field under aircraft taxiing. A dynamic load coefficient of aircraft loading …

Autoren:
Qian Dong, Jianhua Wang, Xianmin Zhang, Hao Wang, Xisha Jin

01.05.2019 | Wasserbau | Ausgabe 5/2019

Moderne Injektionssysteme für die Instandsetzung von Dammkonstruktionen

Maßnahmen zur Instandsetzung von Dammkonstruktionen sind innerhalb des Bauwerks oder im bauwerksbezogen Baugrund mit Injektionssystemen in vielfältiger Anwendung ausführbar. Die Reduzierung des Wasserdurchtritts bis zur vollständigen Abdichtung im …

Autor:
Dipl.-Ing. Holger Graeve

01.05.2019 | Aus Forschung und Entwicklung | Ausgabe 5/2019

Holzschaum für Sandwich-Elemente im Bauwesen

Ein neu entwickelter Holzschaum als Holzfaserwerkstoff ohne künstliche Bindemittel erweist sich als vielseitig gestaltbarer, leistungsfähiger und sehr nachhaltiger Kernwerkstoff in Sandwichelementen. Die Verbundstoffkombination mit dünnen …

Autoren:
Gregor Wisner, Dr. Frauke Bunzel, Elisabeth Stammen, Prof. Dr. Klaus Dilger

30.11.2018 | Structural Engineering | Ausgabe 1/2019

Shear Bearing Capacity of RC Slabs without Shear Reinforcement: Design Codes Comparison

For reinforced concrete structures, as beams, slabs or walls, failure under bending is well known and its description and design is relatively internationally agreed. However for the shear failure phenomenon, there is not yet a common agreement at …

Autoren:
W. S. A. Nana, T. T. Bui, M. Bost, A. Limam

26.03.2018 | Research Article - Civil Engineering | Ausgabe 10/2018

Experimental and Analytical Study of Impact Failure Strength of Steel Hybrid Fibre Reinforced Concrete Subjected to Freezing and Thawing Cycles

In this paper, an experimental campaign was carried out to assess the impact failure strength of steel hybrid fibre reinforced concrete (SHFRC) subjected to freezing–thawing cycles in water containing 4.0% solution of NaCl. For this purpose, six …

Autoren:
G. Murali, E. Vinodha

01.02.2018 | Start & Szene | Ausgabe 1/2018

Gefakte Rechnungen

In etwa jeder zehnten Unternehmensinsolvenz tauchen zu hohe oder unberechtigte Forderungen auf. Doch die Dunkelziffer erfolgreicher Betrugsversuche dieser Art ist groß.

Autor:
Anja Kühner

17.01.2018 | Original Paper | Ausgabe 2/2018 Open Access

Bearing capacity of concrete hinges subjected to eccentric compression: multiscale structural analysis of experiments

Existing design guidelines for concrete hinges are focusing on serviceability limit states. Lack of knowledge about ultimate limit states was the motivation for this work. Experimental data are taken from a testing series on reinforced concrete …

Autoren:
Johannes Kalliauer, Thomas Schlappal, Markus Vill, Herbert Mang, Bernhard Pichler

01.09.2017 | Ausgabe 3/2017

Experiment study on fatigue performance of perforated shear connectors

In order to investigate the fatigue behavior of perforated shear connection in steel-concrete composite bridges, 24 connection specimens with different geometric configurations were subjected to static and fatigue testing protocols. Using the …

Autoren:
Xing Wei, Lin Xiao, Shiling Pei

05.06.2017 | Structural Engineering | Ausgabe 4/2018

Research on the load-slip properties of corrugated rib connectors’ push-out test

The failure characteristic and load-slip performance of corrugated rib connectors under static load were investigated using the push-out test combined with Finite Element Analysis (FEA). The results obtained from experiment and FEA indicate that …

Autoren:
Shuqin Li, Lichao Su, Zhibin Sun

10.05.2017 | Structural Engineering | Ausgabe 2/2018

Long-term deflection test and theoretical analysis on cracked prestressed concrete box beams

A long-term deflection test is performed for 470 days on two simply supported prestressed concrete box beams under sustained uniform load. The deflection growth rules of the box beams under both cracked and uncracked states are studied. The …

Autoren:
Guo Hui Cao, Sheng Zhang, Wang Zhang, Xi Rong Peng

01.09.2016 | Aus Forschung und Entwicklung | Ausgabe 9/2016

Geklebte CFK-Lamellen verstärken Stahlbauteile

Stahlkonstruktionen im Bauwesen, deren Tragfähigkeit verbessert werden muss, werden heute üblicherweise durch Anschweißen oder Anschrauben von zusätzlichen Stahllaschen verstärkt. Könnten CFK-Lamellen, die aufgeklebt werden, eine vorteilhafte …

Autoren:
Dr.-Ing. Susanne Bartholomé, Prof. Dr.-Ing. habil. Hartmut Pasternak, Prof. Dr.-Ing. Markus Feldmann, Dipl.-Ing. Achim Geßler, Prof. Dr.-Ing. Thomas Ummenhofer, Dr.-Ing. Daniel Ruff

01.07.2016 | Structural Engineering | Ausgabe 5/2016

Shear strength of T-type Perfobond rib shear connectors

In this research, a T-type Perfobond rib shear connector for steel concrete composite bridges is suggested, and a series of push-out tests are performed with numerous parameters, such as length and thickness of the ribs, diameter and number of the …

Autoren:
Chul Hun Chung, Jungwhee Lee, Jong Suk Kim

01.06.2016 | Wasserbau | Ausgabe 6/2016

Erfahrungen aus Vertieften Überprüfungen von Stauanlagen der Schluchseewerk AG

Die Schluchseewerk AG betreibt Pumpspeicherkraftwerke, deren in den 1960er- bzw. 1970er-Jahren errichtete Ober- und auch Unterbecken als Erddämme ausgebildet sind. Diese Stauanlagen wurden erstmals vertieft überprüft. Im Beitrag werden die …

Autoren:
Dr.-Ing. Andreas Bieberstein, Dipl.-Ing. Gundo Klebsattel, Dr.-Ing. Karl Kast

01.09.2015 | Structural Engineering | Ausgabe 6/2015

Formulation for free-standing staircase

In the analysis of a free-standing staircase with slab elements, approximate analytical methods are sometimes used because of the absence of specific code provisions due to their inherent limitations. These approaches, however, cannot predict the …

Autoren:
Saeid Zahedi Vahid, Mohammad Ali Sadeghian, Siti Aminah Bt. Osman, Abdul Khalim Bin Abdul Rashid

01.06.2015 | Acoustic Methods | Ausgabe 6/2015

The development and current state of methods for the nondestructive testing and acoustic tomography of concrete

The development of acoustic methods for the nondestructive testing of concrete during the recent decades is described. The main characteristic problems and tasks of acoustic tomography of concrete are outlined and the evolution of the methods of thei…

Autoren:
A. V. Kozlov, V. N. Kozlov

01.12.2014 | Research Article | Ausgabe 4/2014

Shear assessment of compression flanges of structural concrete T-beams

In T-beams the force transfer from the web into the flange has to be studied. The general design procedure is based on a strut-and-tie (or a stress field) model which comprises spreading compressive and transverse tensile forces. As is known …

Autoren:
Björn Schütte, Viktor Sigrist

01.09.2013 | Ausgabe 3/2013

Push-out tests on a new shear connector of I-shape

In steel-concrete composite beams, the shear connectors are commonly used to transfer the longitudinal shear forces across the steel-concrete interface. This paper summarizes the results of 24 push-out test specimens with a new type of shear connecto…

Autoren:
Aida Mazoz, Abdelkader Benanane, Messaoud Titoum

01.08.2013 | Originalarbeit | Ausgabe 7-8/2013

Hochwasserrückhaltebecken Pletschgraben

Das Hochwasserrückhaltebecken Pletschgraben ist zentraler Bestandteil der in den Jahren 2006 bis 2012 von der Wildbach- und Lawinenverbauung, Gebietsbauleitung Steiermark Ost umgesetzten Hochwasserschutzmaßnahmen im Pletschgraben, einem …

Autor:
Ing. Jörg Weitbacher

01.12.2012 | Research Article | Ausgabe 4/2012

The behavior of a rectangular closed diaphragm wall when used as a bridge foundation

The rectangular closed diaphragm (RCD) wall is a new type of bridge foundation. Compared to barrette foundation, measuring the performance of RCD walls is relatively complicated because of their incorporation of a soil core. Using the FLAC3D …

Autoren:
Qiangong Cheng, Jiujiang Wu, Zhang Song, Hua Wen

01.09.2012 | Ausgabe 3/2012

Mechanical behavior and analysis of composite bridges with corrugated steel webs: State-of-the-art

The composite bridges with corrugated steel webs have excellent properties, such as lightness of girders, efficiency of introducing prestress forces, short construction period, optimum force distribution, good seismic performance, and aesthetics appe…

Autoren:
Jun He, Yuqing Liu, Airong Chen, Teruhiko Yoda

01.09.2012 | Ausgabe 9/2012

TERMINE

01.10.2011 | Originalarbeit | Ausgabe 10/2011

Wiederverwertung von Tunnelausbruchmaterial – Abfallrecht im Berg- und Tunnelbau

Tunnelausbruchmaterial gehört abfallrechtlich zur Kategorie des "Aushubmaterials", welches den mengenmäßig größten Abfallstrom in Österreich darstellt. Das Ziel der Abfallvermeidung hat durch die Umsetzung der Abfallrahmenrichtlinie 2008/98/EG Ende 2…

Autoren:
Martin Entacher, Daniel Resch, Paul Reichel, Robert Galler

01.09.2011 | Wasser | Ausgabe 9/2011

Staatliche Überwachung von Talsperren in Niedersachsen

Arndt Schulz

Der Niedersächsische Landesbetrieb für Wasserwirtschaft, Küsten- und Naturschutz (NLWKN) nimmt auf der Grundlage der §§ 52 ff. Niedersächsisches Wassergesetz (NWG) [

1

] sowie entsprechender Bes

Autor:
Dipl.-Ing. Arndt Schulz

01.05.2011 | Ausgabe 3/2011

Influence of carbon nanomaterials on the properties of cement and concrete

Results of investigations of the influence of an addition of carbon nanomaterials to a cement paste on its properties, the morphological characteristics of the cement-hydration products, and the structure and strength of the concrete obtained on the …

Autoren:
T. S. M. Al-Saud, M. A. A. Bin Hussain, E. I. Batyanovskii, S. A. Zhdanok, A. V. Krauklis, P. P. Samtsou

01.03.2011 | Ausgabe 1/2011

Experimental and analytical investigations on the hat shaped shear connector in the steel-concrete composite flexural member

Over the last decade, there are many research results on the new type shear connectors to solve the problems associated with the headed stud shear connector. It was revealed that the new type shear connector has better structural safety, welding qual…

Autoren:
Young-Ho Kim, Hoon Choi, Seungsik Lee, Soon-Jong Yoon

01.12.2010 | Ausgabe 4/2010

Short- and long-term analytical solutions for composite beams with partial interaction and shear-lag effects

This paper presents an analytical model for the short- and long-term analysis of composite steel-concrete beams with partial shear interaction and accounting for shear-lag effects. The material properties of the concrete have been assumed to be time-

Autoren:
Fabrizio Gara, Gianluca Ranzi, Graziano Leoni

01.10.2010 | Original | Ausgabe 10/2010

On the displacement potential solution of plane problems of structural mechanics with mixed boundary conditions

The present paper describes the advancement of displacement potential approach in relation to solution of plane problems of structural mechanics with mixed mode of boundary conditions. Both the conditions of the plane stress and the plane strain are …

Autoren:
S. K. Deb Nath, S. Reaz Ahmed, Sung-Gaun Kim

01.09.2010 | Ausgabe 3/2010

Fiber-reinforced concretes with a high fiber volume fraction — a look in future

Can a design determine the fiber amount in concrete in real time in every part of a structure in production?

In near future, when the control of the load-bearing capacity of fiber-only-reinforced concrete members will be safely guaranteed, the deletion of the ordinary continuous steel reinforcing bars might be possible. For the time being, it is difficult t…

Autor:
R. Tepfers

01.02.2010 | BHM Verbandsnachrichten | Ausgabe 2/2010

Praxis und Wissen - Aus der Industrie – Neues von der Montanuniversität – Mitteilungen des Bergmänischen Verbandes Österreichs –Tagungsankündigungen – Hinweise auf Neuerscheinungen – Neuerwerbungen der Bibliothek

01.10.2009 | Originalarbeiten | Ausgabe 9-10/2009

Langzeitverhalten von Talsperrenbeton

Die Eigenschaften von Sperrenbeton verändern sich mit zunehmendem Alter abhängig von der verwendeten Betonzusammensetzung sowie den Umwelteinflüssen die auf die Talsperre einwirken. Die Festigkeitseigenschaften des Sperrenbetons, wie Druck- und …

Autor:
W. Pichler

01.07.2009 | RESEARCH PAPER | Ausgabe 1/2009

Multiphase material optimization for fiber reinforced composites with strain softening

The present paper addresses an optimization strategy of textile fiber reinforced concrete (FRC) with emphasis on its special failure behavior. Since both concrete and fiber are brittle materials a prominent objective for FRC structures is concerned w…

Autoren:
Junji Kato, Andreas Lipka, Ekkehard Ramm

01.09.2008 | Ausgabe 1-3/2008

Ultrasonic Imaging Methods for Investigation of Post-tensioned Concrete Structures: A Study of Interfaces at Artificial Grouting Faults and Its Verification

This paper presents the progress of successful location of grouting faults in tendon ducts with ultrasonic imaging. The examples were obtained in the research group FOR 384 funded by DFG (German Research Foundation). The co-operation of experimental …

Autoren:
Martin Krause, Boris Milmann, Frank Mielentz, Doreen Streicher, Bernhard Redmer, Klaus Mayer, K.-J. Langenberg, Martin Schickert

01.10.2005 | ORIGINAL | Ausgabe 7/2005

Finite element analyses in wood research: a bibliography

This paper gives a bibliographical review of the finite element methods (FEMs) applied in the analysis of wood. The added bibliography at the end of this article contains 300 references to papers and conference proceedings on the subject that were …

Autor:
Jaroslav Mackerle

01.08.2005 | Ausgabe 3/2005

Mixed state-vector finite element analysis for a higher-order box beam theory

If thin-walled closed beams are analyzed by the standard Timoshenko beam elements, their structural behavior, especially near boundaries, cannot be accurately predicted because of the incapability of the Timoskenko theory to predict the sectional …

Autoren:
G.-W. Jang, Y. Y. Kim

01.01.2005 | Wasserbau | Ausgabe 1-2/2005

Trinkwassertalsperre Leibis/ Lichte — betontechnologisches Konzept und Temperaturmanagement

Im Beitrag werden die betontechnologischen Randbedingungen der auszuführenden Blockbauweise und deren Umsetzung dargestellt. Insbesondere wird auf das gewählte Temperaturmanagement mit dem von der Bilfinger Berger AG entwickelten TEM P! Riss-Software…

Autoren:
Dr.-Ing. Jörg-Peter Wagner, Dipl.-Ing. Lutz Nietner, Dipl.-Ing. Marko Nicklas

01.09.2001 | Ausgabe 18/2001

Defect dynamics and damage of cement-based materials, studied by electrical resistance measurement

Defect dynamics, as studied by DC electrical resistance measurement during repeated compression of cement paste, mortar and concrete in the elastic regime, are characterized by defect generation that dominates during the first loading, defect healing…

Autoren:
Jingyao Cao, Sihai Wen, D. D. L. Chung

01.10.2000 | Ausgabe 5/2000

Corrosion control of steel-reinforced concrete

The methods and materials for corrosion control of steel-reinforced concrete are reviewed. The methods are steel surface treatment, the use of admixtures in concrete, surface coating on concrete, and cathodic protection.

Autor:
D. D. L. Chung

01.11.1999 | Article | Ausgabe 9-10/1999

Size effect on structural strength: a review

The article attempts a broad review of the problem of size effect or scaling of failure, which has recently come to the forefront of attention because of its importance for concrete and geotechnical engineering, geomechanics, arctic ice engineering,

Autor:
Z. P. Bažant
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