science

Vilafant Bridge

Vilafant Bridge is a science topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand Vilafant Bridge rather than just read about it. In short: The High Speed Railway line connecting Barcelona and the French border crosses the Municipality of Vilafant 19 ft (6 m) below the ground level. To cross the sunken railroad, two pedestrian bridges were constructed.

Key takeaways

Vilafant Bridge belongs to science; place it in that map before memorising details.
Learn the definition first, then one example that makes the definition concrete.
Connect Vilafant Bridge to a quantity you can measure, compute or draw — that is where exam questions come from.
Reproduce the core statement of Vilafant Bridge from memory before moving on to harder problems.

Reference excerpt

The High Speed Railway line connecting Barcelona and the French border crosses the Municipality of Vilafant 19 ft (6 m) below the ground level. To cross the sunken railroad, two pedestrian bridges were constructed. The structure, with one span of 150 ft (46 m), is monolithically connected with the abutments. The use of unusual geometric shapes fabricated using stainless-steel and GFRP are blended in an innovative fashion, giving rise to an austere and elegant solution.

Description The two gateways projected signal constitute a creative and innovative engineering. The forms are soft, curved in a flat landscape, but the purity of line and transparency achieved consistently relate to the environment. The shape evokes the flight of a butterfly on the flat landscape of the Empordà. The structure is both austere and elegant, audible in the distance but not imposed. It is a metaphor for innovation through the use of advanced materials. Represents a driver of technological development and progress of our society. The choice of materials and design combine to provide a balance between economic, formal and constructive with the best results. The lightness of the structure construction ensures a simple, fast and secure and the simplicity of its design can be prefabricated in workshop, ensuring quality finishes and high performance implementation.

The two crosses have been designed with the same solution, two bridges of about 164 ft (50 m) total light elastically with a single flush vain in their stirrups (solution integral). The bridges allow for a generous platform 13 ft (4 m) useful for pedestrian and bicycle use.

Construction

The design concept is based on three basic ideas: the use of light-weight materials, the use of materials free of maintenance such as stainless-steel and GFRP (Fiberglass) and minimalism approach (sober and elegant forms and clean lines, creating a bridge with a clearly identity but not dominating the beautiful port environment). The two bridges have a main longitudinal span of 148 ft (45,2 m) and a width-deck of 13 ft (4 m). The structures are built-in on both abutments. The cross-section consists of two supported Vierendeel trusses combined with double-sheets of GFRP as structural webs. The height of the trusses is variable being 11 ft (3,4 m) at the elastomeric support and 3 ft (1,2 m) at mid-span.

References

External links "Vilafant Footbridges". Structurae. "Stainless-Steel-GFRP Footbridge over HSR, Vilafant, Spain". Pedelta. "Vilafant Bridge in Geolocation". Geolocation. "The ADIF magazine (La revista de ADIF) / Julio-Sept 2011 - pp. 24" (PDF). Líneas. "High Speed Railway (Barcelona- Figueres)" (PDF). ADIF. "High-Speed Lines (Madrid – Zaragoza - Barcelona - French Border Line)". ADIF. Archived from the original on 2013-07-07. Retrieved 2013-07-22.

Illustrations

Worked examples

Example 1 — a first encounter with Vilafant Bridge

Start with the simplest possible case. Write down what Vilafant Bridge claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In science, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to Vilafant Bridge before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about Vilafant Bridge ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of Vilafant Bridge

In research: Vilafant Bridge appears in science research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry: Engineering practice reuses Vilafant Bridge in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom: Vilafant Bridge is common in secondary-school and first-year university syllabi. It links to neighbouring topics Bridges in Catalonia, Fiberglass, so understanding it makes those chapters shorter.
In everyday life: Look for Vilafant Bridge outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.

Ask Teacher Smith questions about this articleOpens your AI tutor with a question about “Vilafant Bridge” →

Affiliate

Preply — study more efficiently by working with a personal tutor. 50% off.

How to study Vilafant Bridge in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what Vilafant Bridge means in your own words.
Compare your version with the excerpt and mark what you missed.
Work through the three examples above with pen and paper.
Explain Vilafant Bridge out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Vilafant Bridge in simple terms?

Why does Vilafant Bridge matter?

Because it connects several science ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study Vilafant Bridge?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

It gives you a compact reference excerpt plus original lgStudy explanations, examples, applications and study material on Vilafant Bridge.