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Determination of Effective Widths According to EN 1993-1-5, Annex E

19 May 2017

Eurocode 3 provides Table 5.2 for the classification of cross‑section parts supported on one or two sides and various load situations. Generally, the determination of effective widths is based on the limit stresses of the structural steel used. However, in DIN 18800, the b/t limits were determined on the basis of the actual stresses in the cross‑section. Thus, unfavorable limits may arise, especially for stresses below the yield strength, according to Eurocode 3.

Considering Member and Surface Eccentricities

18 May 2017

In the case of a parallel offset of the structural plane of members and surfaces, or in the case of applying an axial offset to members, the function of eccentricities may be useful.

Structural Fire Design According to EN 1993-1-2 (Fire Curves)

17 May 2017

Using RF-/STEEL EC3, you can apply nominal temperature-time curves in RFEM or RSTAB. The standard time-temperature curve (ETK), the external fire curve and the hydrocarbon fire curve are implemented. Moreover, the program provides the option to directly specify the final temperature of steel.

Dlubal Blog Replaced by New Page 'Product Features'

16 May 2017

On the new page ‘Product Features’, we regularly publish technical articles as well as useful tips and tricks for Dlubal Software. This new page replaced Dlubal Blog.

You can find the page under Support & Learning → Support → Product Features.

Specific Requirements of Membrane Structures

12 May 2017

This paper is focused on the specific aspects of designing membrane structures. These structures have specific requirements such as form‑finding and cutting patterns generation. These topics are the focus of many research works and there are many methods proposed to achieve the desired results. However, in this paper, these issues will be discussed more from the practical point of view than from the theoretical one. The paper will be followed by examples, which will complement the discussed topic and show the special attention required during the design process.

Influence of Connection Stiffnesses on Design of Members and Connections

11 May 2017

Building in existing structures has always been an area of expertise for engineers. Additional loads often have to be added to the existing buildings. In this case, steel girders with end plates and dowel connections are frequently used.

Fatigue Limit State Design of Rail Welds of Crane Girders According to EN 1993-6

10 May 2017

Based on the technical article about the ultimate limit state design of rail welds, the following explanation refers to the process of fatigue design of rail welds. In particular, this article explains in detail the effects of considering the eccentric wheel load of ¼ of the rail head width.

Determination of Minimum Reinforcement for Centric Restraint on Thick Structural Components According to DIN EN 1992-1-1

9 May 2017

In general, avoiding cracking in concrete structures is neither possible nor necessary. However, cracking must be limited in a way that the proper use, appearance and durability of the structure are not affected. Therefore, limiting the crack width does not mean preventing crack formation, but restricting the crack width to harmless values.

Soil Model of Foundation Overlap

5 May 2017

A previous article presented different variants of surface elastic foundations in addition to the traditional subgrade reaction modulus method. The following article describes another method for surface foundation. This method considers the adjacent ground areas by means of a foundation overlap.

Building Information Modeling and Structural Analysis Software: Scenarios and Success Factors for Data Exchange

3 May 2017

Building Information Modeling describes one of the most important issues in the construction software industry. This process is not new and it’s a well known fact that reliable planning in the early stages of a project has a significant positive effect on the project’s total cost.

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