TY  - JOUR
A1  - Butenweg, Christoph
T1  - Bewertung der Erdbebensicherheit von bestehenden Bauwerken
JF  - Österreichische Ingenieur- und Architekten-Zeitschrift : ÖIAZ ; Zeitschr. d. ÖIAV / Österreichischer Ingenieur- und Architekten-Verein
Y1  - 2010
SN  - 0721-9415
VL  - 155
IS  - 1-3 und 4-6
SP  - 11
EP  - 17
PB  - ÖAIV
CY  - Wien
ER  - 
TY  - JOUR
A1  - Becker, Meike
A1  - Frauenrath, Tobias
A1  - Hezel, Fabian
A1  - Krombach, Gabriele A.
A1  - Kremer, Ute
A1  - Koppers, Benedikt
A1  - Butenweg, Christoph
A1  - Goemmel, Andreas
A1  - Utting, Jane F.
A1  - Schulz-Menger, Jeanette
A1  - Niendorf, Thoralf
T1  - Comparison of left ventricular function assessment using phonocardiogram- and electrocardiogram-triggered 2D SSFP CINE MR imaging at 1.5 T and 3.0 T
JF  - European Radiology
N2  - Objective: As high-field cardiac MRI (CMR) becomes more widespread the propensity of ECG to interference from electromagnetic fields (EMF) and to magneto-hydrodynamic (MHD) effects increases and with it the motivation for a CMR triggering alternative. This study explores the suitability of acoustic cardiac triggering (ACT) for left ventricular (LV) function assessment in healthy subjects (n=14). Methods: Quantitative analysis of 2D CINE steady-state free precession (SSFP) images was conducted to compare ACT’s performance with vector ECG (VCG). Endocardial border sharpness (EBS) was examined paralleled by quantitative LV function assessment. Results: Unlike VCG, ACT provided signal traces free of interference from EMF or MHD effects. In the case of correct Rwave recognition, VCG-triggered 2D CINE SSFP was immune to cardiac motion effects—even at 3.0 T. However, VCG-triggered 2D SSFP CINE imaging was prone to cardiac motion and EBS degradation if R-wave misregistration occurred. ACT-triggered acquisitions yielded LV parameters (end-diastolic volume (EDV), endsystolic volume (ESV), stroke volume (SV), ejection fraction (EF) and left ventricular mass (LVM)) comparable with those derived fromVCG-triggered acquisitions (1.5 T: ESVVCG=(56± 17) ml, EDVVCG=(151±32)ml, LVMVCG=(97±27) g, SVVCG=(94± 19)ml, EFVCG=(63±5)% cf. ESVACT= (56±18) ml, EDVACT=(147±36) ml, LVMACT=(102±29) g, SVACT=(91± 22) ml, EFACT=(62±6)%; 3.0 T: ESVVCG=(55±21) ml, EDVVCG=(151±32) ml, LVMVCG=(101±27) g, SVVCG=(96±15) ml, EFVCG=(65±7)% cf. ESVACT=(54±20) ml, EDVACT=(146±35) ml, LVMACT= (101±30) g, SVACT=(92±17) ml, EFACT=(64±6)%). Conclusions: ACT’s intrinsic insensitivity to interference from electromagnetic fields renders
KW  - Magnetic resonance imaging (MRI)
KW  - MR-stethoscope
KW  - Magnetic field strength
KW  - Left ventriular function
KW  - Cardiovascular MRI
Y1  - 2010
U6  - http://dx.doi.org/10.1007/s00330-009-1676-z
SN  - 1432-1084 (Onlineausgabe)
SN  - 0938-7994 (Druckausgabe)
VL  - 20
SP  - 1344
EP  - 1355
PB  - Springer
CY  - Berlin
ER  - 
TY  - JOUR
A1  - Holler, S.
A1  - Butenweg, Christoph
A1  - Noh, S.-Y.
A1  - Meskouris, Konstantin
T1  - Computational model of textile-reinforced concrete structures
JF  - Computers & structures : an international journal
Y1  - 2004
U6  - http://dx.doi.org/10.1016/j.compstruc.2004.03.076
SN  - 1879-2243 (E-Journal); 0045-7949 (Print)
VL  - Volume 82
IS  - Issues 23-26
SP  - 1971
EP  - 1979
ER  - 
TY  - JOUR
A1  - Rochefort, E. de
A1  - Verver, M.
A1  - Grunendahl, A.
A1  - Mooi, H.
A1  - Butenweg, Christoph
T1  - Detailed modelling of the lumbar spine for investigations of low back pain
JF  - SAE transactions : papers presented at Society and Section meetings / Society of Automotive Engineers
Y1  - 2005
SN  - 0096-736X
VL  - Volume 114
IS  - Part 7
SP  - 788
EP  - 796
ER  - 
TY  - JOUR
A1  - Edip, K.
A1  - Sesov, V.
A1  - Butenweg, Christoph
A1  - Bojadjieva, J.
T1  - Development of coupled numerical model for simulation of multiphase soil
JF  - Computers and Geotechnics
N2  - In this paper, a coupled multiphase model considering both non-linearities of water retention curves and solid state modeling is proposed. The solid displacements and the pressures of both water and air phases are unknowns of the proposed model. The finite element method is used to solve the governing differential equations. The proposed method is demonstrated through simulation of seepage test and partially consolidation problem. Then, implementation of the model is done by using hypoplasticity for the solid phase and analyzing the fully saturated triaxial experiments. In integration of the constitutive law error controlling is improved and comparisons done accordingly. In this work, the advantages and limitations of the numerical model are discussed.
Y1  - 2018
U6  - http://dx.doi.org/10.1016/j.compgeo.2017.08.016
SN  - 0266-352X
VL  - 96
SP  - 118
EP  - 131
PB  - Elsevier
CY  - Amsterdam
ER  - 
TY  - JOUR
A1  - Butenweg, Christoph
T1  - Die neue Erdbebenfibel. Neue Hilfsmittel für die Leichtbetonindustrie
JF  - Tagungsband 61. Ulmer Beton Tage 2017
Y1  - 2017
ER  - 
TY  - JOUR
A1  - Marinkovic, Marko
A1  - Butenweg, Christoph
T1  - Earthquake-proof system for masonry infills in RC frame structures
JF  - International Journal of Masonry Research and Innovation
Y1  - 2020
U6  - http://dx.doi.org/10.1504/IJMRI.2020.106328
SN  - 2056-9467
VL  - 5
IS  - 2
SP  - 185
EP  - 208
PB  - Inderscience Enterprises
CY  - Olney, Bucks
ER  - 
TY  - JOUR
A1  - Altay, Okyay
A1  - Butenweg, Christoph
A1  - Taddei, Francesca
T1  - Effektivität von Schwingungsdämpfern bei Windenergieanlagen
JF  - Bauingenieur : die richtungsweisende Zeitschrift im Bauingenieurswesen ; offizielle Zeitschrift der VDI-Gesellschaft Bautechnik. Beilage: D-A-CH-Mitteilungsblatt
Y1  - 2013
SN  - 1436-4867 (E-Journal); 0005-6650 (Print)
N1  - Printausgabe in der Bibliothek Bayernallee vorhanden: 13 Z 049-2013
VL  - Band 88
IS  - Heft 10
SP  - S11
EP  - S17
PB  - VDI Fachmedien
CY  - Düsseldorf
ER  - 
TY  - JOUR
A1  - Chudoba, Rostislav
A1  - Kuhlmann, Wolfram
A1  - Butenweg, Christoph
T1  - Ein technisches Informationssystem zur Entwicklung von Textilbeton
JF  - Bauinformatik-Journal : bi-Journal; Zeitschrift für Architekten und Ingenieure
Y1  - 2001
SN  - 1436-9060
VL  - Bd. 4
IS  - H. 6
SP  - 15
EP  - 20
ER  - 
TY  - JOUR
A1  - Meskouris, Konstantin
A1  - Butenweg, Christoph
A1  - Gellert, Christoph
T1  - Einfache Nachweise : einige Beispiele für die Anwendung des Bemessungsprogramms der RWTH Aachen für den Nachweis von Mauerwerksbauten in Erdbebengebieten
JF  - Deutsches Ingenieur-Blatt : Ingenieurwesen, Bautechnik, Umweltschutz ; Organ der deutschen Ingenieurkammern / Hrsg.: Bundes-Ingenieurkammer e.V.
Y1  - 2009
SN  - 0946-2422
N1  - Printausgabe in der Bibliothek Bayernallee vorhanden: 13 Z 842
IS  - Heft 6
SP  - 26
EP  - 29
PB  - Rauh Medien GmbH
CY  - Wandlitz
ER  -