@article{DemnyHebel2014, author = {Demny, Andreas and Hebel, Christoph}, title = {Rechnergest{\"u}tzte Ermittlung der Verbindungsfunktionsstufen und der verbindungsbezogenen Angebotsqualit{\"a}t nach den Richtlinien f{\"u}r integrierte Netzgestaltung nach RIN 2008}, series = {Straßenverkehrstechnik : Organ der Forschungsgesellschaft f{\"u}r Straßen- und Verkehrswesen, der Bundesvereinigung der Straßenbau- und Verkehrsingenieure und der {\"O}sterreichischen Forschungsgesellschaft Straße und Verkehr ; Zeitschrift f{\"u}r Verkehrsplanung, Verkehrsmanagement, Verkehrssicherheit, Verkehrstechnik}, volume = {Jg. 58}, journal = {Straßenverkehrstechnik : Organ der Forschungsgesellschaft f{\"u}r Straßen- und Verkehrswesen, der Bundesvereinigung der Straßenbau- und Verkehrsingenieure und der {\"O}sterreichischen Forschungsgesellschaft Straße und Verkehr ; Zeitschrift f{\"u}r Verkehrsplanung, Verkehrsmanagement, Verkehrssicherheit, Verkehrstechnik}, number = {H. 12}, publisher = {Kirschbaum Verlag}, address = {Bonn}, issn = {0039-2219}, pages = {811 -- 820}, year = {2014}, language = {de} } @article{ValeroBung2018, author = {Valero, Daniel and Bung, Daniel B.}, title = {Reformulating self-aeration in hydraulic structures: Turbulent growth of free surface perturbations leading to air entrainment}, series = {International Journal of Multiphase Flow}, volume = {100}, journal = {International Journal of Multiphase Flow}, publisher = {Elsevier}, address = {Amsterdam}, issn = {0301-9322}, doi = {10.1016/j.ijmultiphaseflow.2017.12.011}, pages = {127 -- 142}, year = {2018}, abstract = {A new formulation for the prediction of free surface dynamics related to the turbulence occurring nearby is proposed. This formulation, altogether with a breakup criterion, can be used to compute the inception of self-aeration in high velocity flows like those occurring in hydraulic structures. Assuming a simple perturbation geometry, a kinematic and a non-linear momentum-based dynamic equation are formulated and forces acting on a control volume are approximated. Limiting steepness is proposed as an adequate breakup criterion. Role of the velocity fluctuations normal to the free surface is shown to be the main turbulence quantity related to self-aeration and the role of the scales contained in the turbulence spectrum are depicted. Surface tension force is integrated accounting for large displacements by using differential geometry for the curvature estimation. Gravity and pressure effects are also contemplated in the proposed formulation. The obtained equations can be numerically integrated for each wavelength, hence resulting in different growth rates and allowing computation of the free surface roughness wavelength distribution. Application to a prototype scale spillway (at the Aviemore dam) revealed that most unstable wavelength was close to the Taylor lengthscale. Amplitude distributions have been also obtained observing different scaling for perturbations stabilized by gravity or surface tension. The proposed theoretical framework represents a new conceptualization of self-aeration which explains the characteristic rough surface at the non-aerated region as well as other previous experimental observations which remained unresolved for several decades.}, language = {en} } @article{KuckDoering1997, author = {Kuck, Herbert and D{\"o}ring, Bernd}, title = {Regenerative Energien in Landesbauten : Land NRW unterst{\"u}tzt Einsatz erneuerbarer Energien 1997 mit 15 Mio. DM}, series = {Die Bauverwaltung mit Bauamt und Gemeindebau}, volume = {Bd. 70}, journal = {Die Bauverwaltung mit Bauamt und Gemeindebau}, number = {H. 8}, issn = {0005-6847}, pages = {384 -- 386}, year = {1997}, language = {de} } @article{Biener1985, author = {Biener, Ernst}, title = {Rehabilitation of old gravity dams}, series = {[Transactions] : proceedings of fifteenth international congress on large dams ; 24 - 28 Juin 1985, Lausanne, Suisse = Quinzieme Congres International des Grands Barrages. - Bd. 4}, journal = {[Transactions] : proceedings of fifteenth international congress on large dams ; 24 - 28 Juin 1985, Lausanne, Suisse = Quinzieme Congres International des Grands Barrages. - Bd. 4}, publisher = {Intern. Commission on Large Dams}, address = {Paris}, pages = {Q 59, R.2, S. 21 -- 23}, year = {1985}, language = {en} } @article{BaltzerRiepeMerz2001, author = {Baltzer, Wolfgang and Riepe, Werner and Merz, Hans}, title = {Risikoanalyse zum Transport gef{\"a}hrlicher G{\"u}ter durch Straßentunnel - Abw{\"a}gungsprozesse im Internationalen Vergleich}, series = {Unterirdisches Bauen 2001 : Wege in die Zukunft ; Vortr{\"a}ge der STUVA-Tagung 2001 in M{\"u}nchen / veranst. von der Studiengesellschaft f{\"u}r Unterirdische Verkehrsanlagen e.V., (STUVA), K{\"o}ln}, journal = {Unterirdisches Bauen 2001 : Wege in die Zukunft ; Vortr{\"a}ge der STUVA-Tagung 2001 in M{\"u}nchen / veranst. von der Studiengesellschaft f{\"u}r Unterirdische Verkehrsanlagen e.V., (STUVA), K{\"o}ln}, publisher = {Bertelsmann}, address = {G{\"u}tersloh}, isbn = {3-9803390-7-6}, pages = {204 -- 211}, year = {2001}, language = {de} } @article{KirsteinMuellerWaleckiMingersetal.2012, author = {Kirstein, Simon and M{\"u}ller, Karsten and Walecki-Mingers, Mark and Deserno, Thomas M.}, title = {Robust adaptive flow line detection in sewer pipes}, series = {Automation in construction}, journal = {Automation in construction}, number = {21}, publisher = {Elsevier}, address = {Amsterdam}, issn = {1872-7891 (E-Journal) ; 0926-5805 (Print)}, doi = {10.1016/j.autcon.2011.05.009}, pages = {24 -- 31}, year = {2012}, abstract = {As part of a novel approach to automatic sewer inspection, this paper presents a robust algorithm for automatic flow line detection. A large image repository is obtained from about 50,000 m sewers to represent the high variability of real world sewer systems. Automatic image processing combines Canny edge detection, Hough transform for straight lines and cost minimization using Dijkstra's shortest path algorithm. Assuming that flow lines are mostly smoothly connected horizontal structures, piecewise flow line delineation is reduced to a process of selecting adjacent line candidates. Costs are derived from the gap between adjacent candidates and their reliability. A single parameter α enables simple control of the algorithm. The detected flow line may precisely follow the segmented edges (α = 0.0) or minimize gaps at joints (α = 1.0). Both, manual and ground truth-based analysis indicate that α = 0.8 is optimal and independent of the sewer's material. The algorithm forms an essential step to further automation of sewer inspection.}, language = {en} } @article{ValeroChansonBung2020, author = {Valero, Daniel and Chanson, Hubert and Bung, Daniel B.}, title = {Robust estimators for free surface turbulence characterization: A stepped spillway application}, series = {Flow Measurement and Instrumentation}, volume = {76}, journal = {Flow Measurement and Instrumentation}, number = {Art. 101809}, publisher = {Elsevier}, address = {Amsterdam}, issn = {0955-5986}, doi = {10.1016/j.flowmeasinst.2020.101809}, year = {2020}, abstract = {Robust estimators are parameters insensitive to the presence of outliers. However, they presume the shape of the variables' probability density function. This study exemplifies the sensitivity of turbulent quantities to the use of classic and robust estimators and the presence of outliers in turbulent flow depth time series. A wide range of turbulence quantities was analysed based upon a stepped spillway case study, using flow depths sampled with Acoustic Displacement Meters as the flow variable of interest. The studied parameters include: the expected free surface level, the expected fluctuation intensity, the depth skewness, the autocorrelation timescales, the vertical velocity fluctuation intensity, the perturbations celerity and the one-dimensional free surface turbulence spectrum. Three levels of filtering were utilised prior to applying classic and robust estimators, showing that comparable robustness can be obtained either using classic estimators together with an intermediate filtering technique or using robust estimators instead, without any filtering technique.}, language = {en} } @article{ValeroChansonBung2019, author = {Valero, Daniel and Chanson, Hubert and Bung, Daniel B.}, title = {Robust estimators for turbulence properties assessment}, pages = {1 -- 24}, year = {2019}, language = {en} } @article{Paschmann2006, author = {Paschmann, Hans}, title = {Robuste Fertigteile aus Glasfaserbeton}, series = {BFT international : concrete plant + precast technology ; Betonwerk + Fertigteil-Technik . 72 (2006), H. 9}, journal = {BFT international : concrete plant + precast technology ; Betonwerk + Fertigteil-Technik . 72 (2006), H. 9}, isbn = {0373-4331}, pages = {36 -- 43}, year = {2006}, language = {de} } @article{BienerKonertzSasse2003, author = {Biener, Ernst and Konertz, K. and Sasse, T.}, title = {Sanierung des ehemaligen Gaswerkgel{\"a}ndes am Bremer Hauptbahnhof / K. Konertz ; E. Biener ; T. Sasse}, series = {Handbuch Altlastensanierung und Fl{\"a}chenmanagement / hrsg. von Volker Franzius ...}, journal = {Handbuch Altlastensanierung und Fl{\"a}chenmanagement / hrsg. von Volker Franzius ...}, publisher = {C.F. M{\"u}ller}, address = {Heidelberg}, isbn = {3-7685-0078-0}, pages = {1 -- 23}, year = {2003}, language = {de} } @article{Biener1988, author = {Biener, Ernst}, title = {Sanierung des Gel{\"a}ndes einer ehemaligen Maschinenfabrik durch Bodenluftabsaugung und mikrobiologische Bodenreinigung}, series = {Handbuch der Altlastensanierung / hrsg. von Volker Franzius ... - Losebl.-Ausg.}, journal = {Handbuch der Altlastensanierung / hrsg. von Volker Franzius ... - Losebl.-Ausg.}, publisher = {v. Decker}, address = {Heidelberg}, isbn = {3-7685-0078-0}, pages = {Kap. 5.4.1.1.4 ; 1 -- 7}, year = {1988}, language = {de} } @article{Biener1989, author = {Biener, Ernst}, title = {Sanierung von Altlasten}, series = {Umweltschutz '89}, journal = {Umweltschutz '89}, publisher = {Plus-Verl.}, address = {Saarlouis}, pages = {36 -- 38}, year = {1989}, language = {de} } @article{BienerRouve1984, author = {Biener, Ernst and Rouv{\´e}, G.}, title = {Sanierungsm{\"o}glichkeiten {\"a}lterer Talsperren}, series = {Koordinierung in der Schutzwasserwirtschaft : Internationales Symposion INTERPRAEVENT, 1984, Villach / [Red. u. Konzeption: G. Fiebiger ...]. - Bd. 1 : Beitr{\"a}ge zu Themenkreisen 1 und 2}, journal = {Koordinierung in der Schutzwasserwirtschaft : Internationales Symposion INTERPRAEVENT, 1984, Villach / [Red. u. Konzeption: G. Fiebiger ...]. - Bd. 1 : Beitr{\"a}ge zu Themenkreisen 1 und 2}, publisher = {Forschungsges. f{\"u}r Vorbeugende Hochwasserbek{\"a}mpfung}, address = {Klagenfurth}, pages = {235 -- 246}, year = {1984}, language = {de} } @article{BienerStroh1988, author = {Biener, Ernst and Stroh, D.}, title = {Sanierungstechniken f{\"u}r Altlasten}, series = {Altlasten / Karl J. Thom{\´e}-Kozmiensky (Hrsg.). - Bd. 2}, journal = {Altlasten / Karl J. Thom{\´e}-Kozmiensky (Hrsg.). - Bd. 2}, publisher = {EF-Verl. f{\"u}r Energie- und Umwelttechnik}, address = {Berlin}, pages = {603 -- 618}, year = {1988}, language = {de} } @article{Siebel1991, author = {Siebel, Lothar}, title = {Schallschutz von Trenndecken}, series = {DBZ Deutsche Bauzeitschrift. 39 (1991), H. 12}, journal = {DBZ Deutsche Bauzeitschrift. 39 (1991), H. 12}, isbn = {0011-4782}, pages = {1795 -- 1799}, year = {1991}, language = {de} } @article{Krause2006, author = {Krause, Thomas}, title = {Schalung und Ger{\"u}ste}, series = {Beispiele f{\"u}r die Baubetriebspraxis / Hoffmann, Manfred ; Kuhlmann, Willy [Hrsg.].}, journal = {Beispiele f{\"u}r die Baubetriebspraxis / Hoffmann, Manfred ; Kuhlmann, Willy [Hrsg.].}, publisher = {Teubner}, address = {Wiesbaden}, isbn = {978-3-8351-0002-2}, pages = {122 -- 131}, year = {2006}, language = {de} } @article{KrauseKremer2006, author = {Krause, Thomas and Kremer, Norbert}, title = {Schalung und Ger{\"u}ste}, series = {Zahlentafeln f{\"u}r den Baubetrieb / Hoffmann, Manfred ; Kuhlmann, Willy [Hrsg.]. 7., vollst. {\"u}berarb. Aufl.}, journal = {Zahlentafeln f{\"u}r den Baubetrieb / Hoffmann, Manfred ; Kuhlmann, Willy [Hrsg.]. 7., vollst. {\"u}berarb. Aufl.}, publisher = {Teubner}, address = {Wiesbaden}, isbn = {3-519-65220-X}, pages = {709 -- 747}, year = {2006}, language = {de} } @article{SiebelTischendorf1999, author = {Siebel, Lothar and Tischendorf, Joachim}, title = {Schildb{\"u}rgerstreich? Kritische Stellungnahme zur geplanten Energieeinsparverordnung EnEV 2000 / Tischendorf, Joachim; Siebel, Lothar}, series = {Intelligente Architektur / AIT Spezial (1999)}, journal = {Intelligente Architektur / AIT Spezial (1999)}, isbn = {0949-2356}, pages = {18 -- 18}, year = {1999}, language = {de} } @article{Dienst1977, author = {Dienst, Karl-Jakob}, title = {Schnitt- und Zykelgeometrien}, series = {Geometriae Dedicata (1977)}, journal = {Geometriae Dedicata (1977)}, pages = {23 -- 54}, year = {1977}, language = {de} } @article{Siebel1983, author = {Siebel, Lothar}, title = {Schutz vor Strassenl{\"a}rm im Bereich von Terrassen und Balkonen}, series = {DBZ Deutsche Bauzeitschrift. 30 (1983), H. 11}, journal = {DBZ Deutsche Bauzeitschrift. 30 (1983), H. 11}, isbn = {0011-4782}, pages = {1649 -- 1650}, year = {1983}, language = {de} }