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Archive for September, 2008

Optimizing grain size distribution of aggregates

About 70% of concrete volume is made up of aggreggates of various sizes from less than 1 mm up to 64mm or even more although in normal construction a maximum size of 20-32mm is used. One of the most important consideration when combining different sizes of aggregates is the distribution on how much of each [...]

My Golf “Cap” not “Cup”

It is supposed to be a “Cup” but what I got for being 3rd in last year’s 2007 Areva Annual Golf Championship at Rauma Golf Course is a “Cap” , a Sauna Cap. It is made of very fine thick wool that protects your head from the heat of the sauna. In a way, it [...]

Revibration time limit of concrete - a practical approach

Concreting in one go of high walls, big columns (one meter or more in height) or other similar structures is often done in layers of less than half a meter. In pouring such structures it is very important to ensure that before pouring the next layer the elder layer should still be in its vibratable [...]

The heavyweight concrete

For more than 15 years of my career in construction, I have only known the heavyweight concrete from the literatures such as textbooks, publications, etc. But now I have a close encounter with this concrete as I was involved in the design and testing of such type of concrete for our project. This concrete is [...]

The tiger’s nest

Let me continue my web journal by featuring this time my pilgrimage to one of the holy sites or legends of Bhutan called Taktshang, the kingdom’s most famous monastery built in 1692. In English it is known as the “Tiger’s Nest” named after their belief that Guru Rinpoche, the founder of Bhuddism in this country [...]

A reliable travelmate

In our fast changing world technology has play a vital role in our daily lives. Traveling even in an unknown place these days has become very convenient. Being new to my current adopted home town, roaming around becomes a common problem just like anyone. But thanks to this new digital travel mate, my Tomtom GPS. [...]

The prayer flags of Bhutan

I was assigned in a tiny landlocked country sandwiched between India & Tibet called Bhutan, one of the last “Shangrilas” of the Himalayas region. I am very proud to be here as not so many in the world has the opportunity to visit this exotic kingdom. Even tourists are strictly regulated by the government. [...]

A train bicycle

In one of our holidays in the southern part of Thailand, Chaam, my family enjoyed riding this bicycle train. It was perfectly made for a family of five like us. We had a joy riding along the coastal road of the city then spending some time in the beach before spending time in the pool [...]

A “redeemer” concrete

In the concrete world, we have a very special type of concrete called the “the redeemer or sacrificial concrete”. This concrete is indeed special as it has an exceptional purpose in the new designs of nuclear power plants. It is very useful in case of core melting, one of the possible failure of a nuclear [...]