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The Si-Eng
Si's civil engineering blog
All original by Si Shen.
All posts are personal opinions only.
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Sprayed Concrete
Sprayed concrete has wide-spread use in temporary surface stabilisation and sometimes also used as permanent works. Its field of...

Si Shen
Nov 15, 20185 min read
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Engineering Reversed (1)
It is not until I have had many years of practical experience, did I start to realise why some engineering concepts taught in classes are...

Si Shen
Nov 10, 20184 min read
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Self-compacting concrete
If normal concrete is like a stew, then self-compacting concrete is like a soup. I have some first-hand experience of using...

Si Shen
Nov 6, 20184 min read
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Major projects – a special breed
Major projects are notorious for their cost overrun, delays in completion and attachment to politics. Examples in the metros sector are...

Si Shen
Nov 3, 20184 min read
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Crack control of concrete using reinforcement to achieve water-tightness (2)
My previous post on this topic (https://shensivictor.wixsite.com/main/blog/crack-control-of-concrete-1) explained the two types of...

Si Shen
Oct 27, 20184 min read
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Route planning for metro tunnels (1)
Have you ever wondered why the route alignment for metro tunnels are always bendy and curvy? See the planning route for Crossrail2 below...

Si Shen
Oct 23, 20184 min read
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Crack control of concrete (1)
Crack control of concrete using reinforcement to achieve water-tightness Concrete is like a cranky toddler. It needs a lot of love and...

Si Shen
Oct 19, 20183 min read
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The Time-Space Effect
he concept of ‘Time-Space Effect’ is a theory specific to underground works in soft ground. It was popularised by researchers from China...

Si Shen
Oct 17, 20181 min read
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