Pedestrian and Cycling Bridge in Neckartenzlingen, Germany
Customer Project
The S‑shaped pedestrian and cycling bridge across the Neckar river in Germany has a total length of 316 ft and a width of 10 ft with a straight middle part.
| Investor |
Town of Neckartenzlingen, Germany www.neckartenzlingen.de |
| Building and Structural Planning |
Ingenieurbüro Miebach Lohmar, Germany www.ib-miebach.de |
| Traffic Planning |
Ingenieurbüro Blankenhorn Nürtingen, Germany www.ing-blankenhorn.de |
| Construction |
Gottlob Brodbeck GmbH & Co. KG Metzingen, Germany www.g-brodbeck.de Schaffitzel Holzindustrie GmbH + Co. KG Schwaebisch Hall, Germany www.schaffitzel.de |
Dimensions
Model
Both foreland areas are bent in the ground plan and have a radius of approximately 214 ft. In this way, the course of access roads is considered in the ground plan.
Superstructure
The bridge superstructure consists of two stepped glued‑laminated timber beams coupled to each other and drilled to blocks. It spans three bays with the individual spans of about 85 ft / 146 ft / 85 ft and a total length of 316 ft over the Neckar river.
For efficient material utilization, the cross‑section height is graduated from 31 1/2 in up to 82 in according to the loading. Due to the continuous structure, zero moment distributions result in the main bay. These were modeled as hinge (Gerber) joints. In this way, a reasonable transport size and a simplified assembly of the wooden structural elements were achieved.
Wood Protection
The supporting structure is optimally protected from weather conditions by its geometry (lateral stepping) and the top cover made from precast concrete panels (with lateral overhang, drainage channels below the structural joints and an additional sealing level on the timber beams). In order to verify these wood protection assumptions, a moisture monitoring system was arranged in the area of the highest cross‑section.
Substructure
The substructure consists of reinforced concrete abutments with a bored pile foundation as well as the intermediate supports comprised of reinforced concrete columns built on shallow foundations. In the bridge structure extension, the path continues to a ramp with a throughed supporting structure made of reinforced concrete.
Project Location
Write Comment...
Write Comment...
Contact us
Do you have questions or need advice?
Contact our free e-mail, chat, or forum support or find various suggested solutions and useful tips on our FAQ page.
New
Design of Concrete Columns Subjected to Axial Compression with RF-CONCRETE Columns
This article compares the design to the one in the referenced article: Design of Concrete Columns Subjected to Axial Compression with RF-CONCRETE Members. It is, therefore, about taking exactly the same theoretical application carried out in RF-CONCRETE Members and reproducing it in RF-CONCRETE Columns. Thus, the objective is to compare the different input parameters and the results obtained by the two add-on modules for the design of column-like concrete members.
- Where can I find the materials for the corresponding National Annexes in RFEM 6 and RSTAB 9?
- I have a roof structure resting on a steel column that runs to the foundations. The column runs through a perimeter wall that supports the false ceiling. A considerable part of the load from the roof is transferred to the wall. I want the steel column to carry all the vertical loads from the roof. How can I do it?
- Are the models and presentations from Info Day 2018 freely available, and can you send them to me?
- In RF‑CONCRETE Surfaces, I obtain a high amount of reinforcement in relation to a lever arm that is almost zero. How is such a small lever arm of internal forces created?
- How does the "Orthotropic Plastic" material model work in RFEM?
- What is the meaning of the superposition according to the CQC rule in a dynamic analysis??
- When converting from the manual definition of reinforcement areas to the automatic arrangement of reinforcement according to Window 1.4, the result of the deformation calculation differs, although the basic reinforcement has not been modified. What is the reason for this change?
- Does the program check the lap length of the vertical stirrups of a block foundation with smooth bucket sides?
- Why do I get a discontinuous area in the distribution of internal forces? In the area of the supported line, the shear force VEd shows a jump, which does not seems to be plausible.
- Is there a possibility in RFEM to define a global polar grid with the origin lies in the global zero point, for example, and which applies to several surfaces?
Programs Used for Structural Analysis
Main Program
Structural engineering software for finite element analysis (FEA) of planar and spatial structural systems consisting of plates, walls, shells, members (beams), solids and contact elements
3,540.00 USD
Add-on Module
Timber design according to Eurocode 5, SIA 265 and/or DIN 1052
1,120.00 USD
Add-on Module
Design of steel members according to Eurocode 3
1,480.00 USD
Add-on Module
Dynamic and seismic analysis including time history analysis and multi-modal response spectrum analysis
1,120.00 USD
Add-on Module
Design of reinforced concrete members and surfaces (plates, walls, planar structures, shells)
810.00 USD
