engineering

Haringvlietdam

Haringvlietdam is a engineering 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 Haringvlietdam rather than just read about it. In short: The Haringvlietdam, incorporating the Haringvliet sluices, are hydraulic engineering structures which closed off the estuary of the Haringvliet, Netherlands, as part of the Delta Works. The structure consists of 17 sluices, several kilometres of dam and a shipping lock, and formed the sixth project of the Delta Works.

Key takeaways

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

Reference excerpt

The Haringvlietdam, incorporating the Haringvliet sluices, are hydraulic engineering structures which closed off the estuary of the Haringvliet, Netherlands, as part of the Delta Works. The structure consists of 17 sluices, several kilometres of dam and a shipping lock, and formed the sixth project of the Delta Works. The northernmost of the Delta Works, it was supposed to be finished by 1968 as the first part of the project. Building started in 1957 and was finished in 1971. Instead of damming the estuary it was decided to build sluices in order to be able to let in salt water to prevent freezing of the rivers Meuse and Rhine and to drain these rivers in case of flood. The height of the dam crest is 18.5m above Normaal Amsterdams Peil (NAP), and 17.3m above the water level in the Haringvliet. The width between piers is 56.5 metres, and the depth of the sill of the gates was partly determined by the need for ice breakers to pass through them at low tide, being fixed at 5.5 metres below NAP. The sluice complex has 17 openings and an effective total aperture of about 6,000 square metres at half tide. The sluices have two doors each, of which the door on the sea side is the lowest. This was undertaken to mitigate the effect of waves on the doors. On the seaward side of the sluice complex, there is a 7m deep step to induce wave breaking against a concrete wall, thus reducing the strain on the gates by around 50%. The subsoil consists of clay and soft sandy layers to depths ranging from 20 to 30 metres below NAP. The sluice structures are founded on pile foundations. In 2011, Rijkswaterstaat implemented a ‘Kierbesluit’ policy, which directed that the Haringvliet sluices be opened slightly when the Haringvliet water level is lower than the sea water level, allowing limited saltwater intrusion and the migration of fish into the Haringvliet. The policy was implemented in order to improve the ecological situation in the Meuse and Rhine. The change has also resulted in a minor return of the tides in areas like Tiengemeten and the Biesbosch, both of which are important nature reserves.

References

External links Media related to Haringvlietdam at Wikimedia Commons Haringvliet Dam

Illustrations

Worked examples

Example 1 — a first encounter with Haringvlietdam

Start with the simplest possible case. Write down what Haringvlietdam claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In engineering, 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 Haringvlietdam 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 Haringvlietdam 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 Haringvlietdam

In research: Haringvlietdam appears in engineering 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 Haringvlietdam 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: Haringvlietdam is common in secondary-school and first-year university syllabi. It links to neighbouring topics Dams completed in 1971, Dams in South Holland, Delta Works, so understanding it makes those chapters shorter.
In everyday life: Look for Haringvlietdam 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.

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How to study Haringvlietdam in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what Haringvlietdam 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 Haringvlietdam out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Haringvlietdam in simple terms?

Why does Haringvlietdam matter?

Because it connects several engineering 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 Haringvlietdam?

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 Haringvlietdam.