MIDASoft - Bridge Library
MIDASoft bridge library containing project case studies, practical applications, and engineer presentations.
Summary: The blog explains the importance of soil-structure interaction during the seismic design of bridges, along with current practices. ...
Introduction: In the world of bridge design, seismic analysis is sometimes seen as a rigorous process that can yield results that, at first,...
Summary: In this video guide, we'll cover the basics of retaining wall design using MIDAS software. Geared towards MIDAS Civil beginners, we...
Economical design for steel composite bridge Summary This article delves into the cost-effective design of steel composite bridges, with a f...
Summary: The rapidly evolving construction industry demands cutting-edge technology to ease engineers' efforts. This blog explores how Midas...
Summary: In this article you will get to know the key concepts and importance of RSI analysis for the railway bridge. If we don’t ensure pro...
Summary: The blog article discusses the differences between line girder analysis and the finite element approach. It also helps the readers ...
Summary: Determining the initial cable forces in cable-stayed bridges is a critical step in ensuring the structural integrity and stability ...
Summary: Beam bridges, also known as girder bridges, are one of the most common and straightforward types of bridges found worldwide. Despit...
I girder vs. tub girder Our next question may be “What are the differences between an I and a tub girder?”
What is Rail Structure Interaction? Rail structure interaction studies the interaction between railway tracks and concrete bridge structures...
The previous article (Curvature effects on a medium-span curved bridge) showed that we should be cautious to get reasonable torsional moment...
Dr. Hirai was a Japanese engineer, professor, and researcher. In 1940, Dr. Hirai went to a movie theater and watched the news about the fail...
Analysis of suspension bridges - Peery’s methods use integration To calculate the area of influence lines, Simpson’s method has been applied...
What are suspension bridges? A suspension bridge is a unique kind supported by large main cables suspended between two or more towers, often...
4th-order differential equation Eq(2) is a 4th-order differential equation, and we can imagine it is not simple to solve.
The Question We have structural analysis programs. Can we make the model (like other conventional bridges) and perform the analysis (as usua...
Introduction Prestressed concrete technology is widely used worldwide in the construction of various structures, especially bridges. Prestre...
Composite Section Analysis Finally we came to the composite section analysis. One of the best examples is from Dr. Gilbert and Dr. Ranzi (Ex...
The limitations of linear static analysis in the seismic design gave rise to non-linear static analysis or Pushover analysis. Pushover analy...
Solving the previous example from full iteration Now it’s time to solve the previous example from full iteration. For simplicity, interactio...
Findings and remarks 1. We can calculate the feasible crack angle ranges for each εx and vu/f’c combination. θ min corresponds to concrete c...
Optimum crack angle θ From the previous example, we can catch that there are some possible crack angle ranges for the given εx and vu/f’c. N...
What is Application Programming Interface (API)? The first thought that will come into your mind is exactly what is this API? and why a civi...
Longitudinal reinforcement Believe it or not, longitudinal forces are caused by shear, and we do need to design/check for these longitudinal...
Concrete Shear Equation The concrete shear equation is
Morandi Bridge: An overview The Morandi Bridge (Officially: Viadotto Polcevera) was an architectural and engineering landmark since its cons...
The different types of finite element models one can generate 2D, 3D, and 4D finite element models are employed to analyze structures. Since...
Importance of the P-M interaction curve? As we all know, almost all compression members are subjected to moments along with axial loads, mai...
Typical underground structures include tunnels, subway stations, underground parking lots, culverts, conduits, etc. These structures should ...
So you have learned about column buckling under a point load applied at the end of the column, do you know if columns can buckle under their...
In the FEM, the most critical question is “how many meshes do we need to get the correct (or reasonable) results?”
Continuing on to the third part of this multi-part blog, another option is a quadrilateral element. As always, let’s start with an example.
For the previous example, we can use high-order triangular elements. This element has six nodes per element and assumes the displacement is ...
The scary part of FEM is sometimes FEM gives wrong results without any error message. The analysis may be meaningless if an engineer cannot ...
The midas model is for a multi-channel prestressed girders bridge 30 ft span and 24.75 ft width. The bridge is composed of 9-channel prestre...
Elongations of Prestressing Steels
Due to the peculiar site soil conditions, as the great deformation capacity of its clay layers, the effects of soil-structure interaction mu...
A concrete specimen when subjected to load undergoes response which is both immediate & time dependent. The time dependent effect can be maj...
In this MIDAS Intro Session, our MIDAS engineer introduced the modeling of Soil-structure interaction (SSI) which is a physical phenomenon i...
Due to the complex intersection at various places, such as highways, river crossings, and railway crossings, there is a continuously growing...
In this MIDAS Intro Session, our MIDAS engineer introduced approaches to simulate cracked RC sections based on AASHTO LRFD/ACI codes, the fu...
The seismic analysis is part of the structural analysis and the calculation of the response of a structure to earthquakes. It is part of the...
In this webinar session, our MIDAS Expert Engineer Zac Taylor P.E. and Charlie Golek from Kimley-Horn shared their experience and insights u...
In this MIDAS Intro Session, our MIDAS engineer introduced the underlying principles of buckling analysis, ways to interpret the modal analy...
The bridge load rating is a procedure to evaluate the adequacy of various structural components to carry predetermined live loads. In simple...
In this Intro Session our MIDAS engineer explained show how midas FEA NX uses 20-node solid isoparametric elements to perform life estimatio...
This new series of blog articles will introduce a few project applications of midas Civil. You can expect to see the size of the structure, ...
In our previous webinar, Analysis and design of a concrete network tied arch bridge for California high-speed rail, our MIDAS Expert Enginee...
In this Intro Session our MIDAS engineer explained how midas FEA NX uses 2D/3D elements to simulate the time-dependent material using age-de...
In the previous blog basic finite element mesh explained, we have looked into several types of conventional elements within the 1D, 2D, and ...
In this webinar session, our MIDAS Expert Engineer Hadi T. Al-Khateeb, Ph.D., S.E., P.E. a Senior Bridge Engineer at Jacobs provided an over...
Structural connections are usually the weakest part of a steel structure; however, they are rarely the subject of structural analysis. To si...
To ensure stable analysis performance and reliable result approximation, meshing is important. Meshing is the process to create finite eleme...
Dr. Seungwoo Lee has talked about some fundamental differences between linear and nonlinear analysis in structural engineering in the past. ...
In this workshop, Top MIDAS Expert Parsa Heydarpour Ph.D., P.E., M.ASCE , Project Engineer at Subsurface and Tunnel Engineering presented on...
One of the objectives when designing structures is to prevent them from failures. Structural failure can happen when the structural elements...
This webinar shows Midas FEA NX's capability in simulating heat transfer within the structure and the heat of hydration analysis with the ti...
Keep Running into Analysis Errors When Everything Looks Right? It’s not uncommon for the analysts to run into the same analysis error after ...
In this Intro Session our MIDAS engineer explained about Midas FEA NX's capability in simulating structural connections such as contact, wel...
CAD or CAE? What's the difference? They might sound similar, but CAD and CAE are very different disciplines with their own goals, practices ...
Analysis Purpose : Improvement for Deformation of Cover The engineers performed linear static analysis to reduce deformation of cover plate ...
Presentation Overview Why to simplify? The decision to suppress or preserve geometry strongly depends on the analysis context and the applic...
1. Know The Basics The number of companies introducing Computer Aided Engineering (CAE) software with 3D Computer Aided Design (CAD) capabil...
From the series Introduction to Analysis for Designers... 6. Assembly Analysis Most products are composed of several parts, so assembly anal...
From the series Introduction to Analysis for Designers... 7. Analysis Results Evaluation In this series, we have been discussing the procedu...
From the series Introduction to Analysis for Designers... 5. Thermal-Structural Coupled Analysis Generally, a structure expands or shrinks w...
For your competitive edges, Innovative CAE Solution The Expected Effects of Acquisition For Analysis Engineers, "60% Reduced Analysis Time 1...
First comes the idea. A wonderful spark of ingenuity springs from the depths of our conscience and rushes through the thalamus to reach the ...
“How The Heck Did You Get That Shape?” Topology optimization is a novel and rapidly growing field of structural mechanics that offers great ...
From the series Introduction to Analysis for Designers... 2. Mesh For Accuracy To perform most of Finite Element Analysis (FEA), a method wi...
Finite Element Analysis Types: The Ultimate Cheat Sheet Structural Analysis Structural analysis is the study of how a physical structure rea...
From the series Introduction to Analysis for Designers... 4. Boundary Conditions of Eigenvalue Analysis In the previous section, we examined...
Detail of this Session This tutorial introduces how to do tunnel lining structural analysis before cross section design.
Detail of this Session Through consolidation analysis of 3D construction stage, verify the ground deformation (settlement) and stress change...
Summary This tutorial identifies the soil–structure interaction by analyzing construction stage of 3D retaining wall excavation and a piled ...
Kai Zhao • Michele Janutolo • Giovanni Barla
Jung-Feng Chang, I-Chou Hu, Ting-Chiun Su, and Hsiao-Chou Chao
Detail of this Session The purpose of tunnel analysis is to see the effect of tunnel construction on surrounding facilities and to review th...
Detail of this Session This webinar will introduce how to perform finite element analysis for sequentially excavated tunnels with multiple i...
The LeBreton LRT project was an actual project that completed construction and opened it to the general public on September 14, 2019. Since ...
YuyouYang, QinghongZhou, HonganLi, XuegangHuang, and XiaomingTu
YuyouYang, QinghongZhou, HonganLi, XuegangHuang, and XiaomingTu
This session has been prepared upon the request by the Office of Earthquake Engineering in California Department of Transportations(Caltrans...
Jong-ho, Shin, Jeong-ho, Moon, In-keun, Lee, Kee-yeon, Hwang
Osvaldo P.M. Vitalia, Tarcisio B. Celestinob, Antonio Bobeta
MIDASoft exhibited at the DFI 44th Annual Conference on Deep Foundations, on October 15-18, 2019, at the Hilton Chicago. The theme of the co...
Detail of this Session In this tutorial dam stability is verified under full water level and sudden draw-down conditions through 3D seepage ...
Giorgio Pietrangeli Alberto Bezzi Claudio Rossini Alessandro Masciotta Davide D’Alberti
TBM is becoming one of the most common tunnel excavation methods in cities with limited space because other methods such as open-cut or NATM...
The attendee will learn the use of several advance functions of GTS NX, which allows the numerical analysis of settlement by 2 methods. From...
Summary GTS NX has multiple interfaces with various CAD formats and structural (building and bridge) software for the most advance 3D Geotec...
Jong-Ho Shin , Kyu-Cheol Choi , Jae-Ung Yoon & Young-Jin Shin
Wan Gi Jeon, Kyeong-Han Jeong & Ju Hyoung Lee
Seth Pollak, Senior Engineer, Arup
Bonanno Pisano and Gherardo diGherardo were tasked with the honor of the ceremonial complex of monuments that would enrich the Piazza dei Mi...
This technical webinar will focus on the steps of importing a building from midas Gen to midas GTX NX for dynamic analysis. Full soil struct...
SUMMARY This webinar showed how to use the Finite Element Method (FEM) to simulate the staged construction of a tunnel by a Tunnel Boring Ma...
Summary The new thermal analysis module includes heat transfer, thermal stress, and seepage-thermal stress analysis types. This analysis typ...
Osvaldo P.M. Vitalia,, Tarcisio B. Celestinob, Antonio Bobeta
Edina Koch, MSE Janos Szep, MSE Richard Ray, Ph.D.
Detail of this Session Train vibration is periodic loading phenomenon, which occurs as a result of train wheels passing above the ground sur...
Mr. Topias Siren, Kalliosuunnittelu Oy Rockplan Ltd., Finland
Alessandro Masciotta Alessandro Cagiano de Azevedo Francesca Mattei
Detail of this Session This online technical seminar will introduce the FEM approach to consider soil-structure interaction for shored excav...
Detail of this Session This online technical seminar will basically introduce 3D modelling of pile-raft combination in GTS NX .Geotechnical ...
Sang-baik Woo, Jong-ho Park, Hong-Sung Lee, Yong-ki Choi
Many engineers are using software like GeoStudio Suite from GeoSlope for 2D geotechnical analyses. Recent advances in computer modeling and ...
Summary Climate change has intensified weathering effects due to rain, leading to higher frequency of structural and slope failures designed...
Sylvie Giuliani-Leonardi, VINCI Construction
Chaidir Anwar Makarim, Tarumanagara University
The purpose of this webinar was to compare the calculation and results between finite difference (FDM) and finite element methods (FEM) on s...
Jurgis Medzvieckas Danute Slizyte
Summary The focus of the case study will be a soil structure interaction analysis by the direct method of a 55 story (168 m) building in the...
Detail of this Session This online technical seminar will introduce the FEM approach to consider soil-structure interaction for shored excav...
Dr. Khaldoun Fahoum, PE
Konstantinos Syngros, Ph.D., P.E. Alan Poeppel, P.E.
Osvaldo P.M. Vitalia, Tarcisio B. Celestinob, Antonio Bobeta
P. Cucino, S. Fuoco, D. Maniezzo
Summary The suction piles, commonly used as part of deep marine foundations, are fixed to the bottom of the sea by the suction created after...
Moon Kyum Kim, Seok Ho Cho, Jeong Soo Kim, Jong Hwa Won
To date, the Eglinton Crosstown Transit project, a 19-kilometer light rail line, was budgeted as the most expensive infrastructure project i...
Sowmiya, L.S. Shahu, J.T. Gupta, K.K.
