engineering

Johannes Holt

Johannes Holt 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 Johannes Holt rather than just read about it. In short: Johannes Holt (12 November 1917 – 11 January 2011) was a Norwegian resistance member, engineer and mountaineer. He grew up in Andebu and took his construction engineering education at the Norwegian Institute of Technology.

Key takeaways

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

Reference excerpt

Johannes Holt (12 November 1917 – 11 January 2011) was a Norwegian resistance member, engineer and mountaineer. He grew up in Andebu and took his construction engineering education at the Norwegian Institute of Technology. He worked with bridges in the Norwegian Public Roads Administration, and also participated in the Norwegian Campaign in 1940. From 1941 to 1945 he was a resistance member in XU; smuggling bridge designs to be microfilmed and duplicated. Accomplices in doing so include fellow bridge engineer Arne Selberg. At the same time Holt was a liaison to the Reichskommissariat Norwegen and Organisation Todt, the forces against which XU fought, "because of his mastering of the German language". After leaving the Public Roads Administration in 1949, he worked in Berntsen og Boe from 1949 to 1951, Nordisk Aluminiumindustri from 1951 to 1953 and Berntsen og Boe again from 1953 to 1957. He spent most of his career as chief executive of his own construction consulting company Johs Holt AS, from 1957 to 1981. Important projects include Stavanger City Bridge, the first larger cable-stayed bridge in Norway, as well as the even larger cable-stayed bridges Skarnsund Bridge and Uddevalla Bridge. He also worked with the fundaments for the monument Sverd i fjell. Holt was a member of the mountaineering society Norsk Tindeklub. Having taken up mountaineering in his fifties, Holt ascended mountains like Store Skagastølstind at the age of 86 and Stetind at the age of 87. He lived in Nadderud until he died in January 2011.

References

Worked examples

Example 1 — a first encounter with Johannes Holt

Start with the simplest possible case. Write down what Johannes Holt 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 Johannes Holt 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 Johannes Holt 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 Johannes Holt

In research: Johannes Holt 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 Johannes Holt 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: Johannes Holt is common in secondary-school and first-year university syllabi. It links to neighbouring topics 1917 births, 2011 deaths, Bridge engineers, so understanding it makes those chapters shorter.
In everyday life: Look for Johannes Holt 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 Johannes Holt in 20 minutes

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

Frequently asked questions

What is Johannes Holt in simple terms?

Why does Johannes Holt 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 Johannes Holt?

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 Johannes Holt.