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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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Practical durability design for concrete
summarises how concrete deteriorate in plain language and practical measures to make it durable.

Si Shen
Mar 6, 20202 min read
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Soil structure interaction (2) – lateral earth pressure
this blog continues on the thread to talk about lateral earth pressure

Si Shen
Feb 24, 20203 min read
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Reliability
Reliability is the consistency in performance. This is typically a much desired thing generally in life

Si Shen
Jan 28, 20203 min read
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Soil structure interaction (1) – what interaction?
The design of underground structures, requires a process called ‘soil-structure interaction’.

Si Shen
Jan 13, 20203 min read
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Time-dependent behaviour of structures (3) – strength of concrete
Have you ever wondered, why have we chosen 28 days strength as a basis for concrete design? This blog post answers this question and...

Si Shen
Jan 8, 20202 min read
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Universal engineering principles
I believe it is essential for engineers to develop the habit of zooming out from their routine designs and re-think at a higher level of...

Si Shen
Dec 14, 20193 min read
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Time-dependent behaviour of structures (2) – More on creep and shrinkage?
More details on creep and shrinkage

Si Shen
Dec 3, 20193 min read
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Time-dependent behaviour of structures (1) – shrinkage and creep
Creep and shrinkage are two long-term properties of concrete. This blog post help designers gain a deeper understanding of both

Si Shen
Nov 24, 20193 min read
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Underlying assumptions of Eurocodes
There are some fundamental assumptions of Eurocodes that work in the background of every single design.

Si Shen
Nov 16, 20192 min read
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Statically determinant structures – in practical use
Statically determinate/indeterminate structure is one of the first concept to be taught at university.

Si Shen
Oct 13, 20192 min read
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Partial factors
This blog post hopes to dig down to the nature of partial factors.

Si Shen
Sep 17, 20193 min read
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A few tips for building computer models
There are a few quick tips that I have learned over the years and I would like to share them.

Si Shen
Sep 6, 20193 min read
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Design life – what differences does it make?
This blog post explains the difference that design life makes to the structure

Si Shen
Jun 11, 20194 min read
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Stress concentration around openings
On many occasions, an opening needs to be created in a structure. This could be a tunnel from a station box, a cross passage tunnel from...

Si Shen
Jun 4, 20193 min read
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Shear (2) – Composite behaviour in tunnel lining
This blog is inspired by this article “Simulating composite behaviour in SCL tunnels with sprayed waterproofing membrane interface: A...

Si Shen
May 28, 20194 min read
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Shear (1) - Transverse shear and composite action
I have planned a series of blogs on the topic of shear. This is the first of the series, and it introduces the not-so-commonly known...

Si Shen
May 19, 20193 min read
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Dome structures
Architects hate columns. Columns are ugly, block views, and are the biggest enemies of architectural elegance. When columns appear in...

Si Shen
Dec 5, 20183 min read
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CIRIA Guide C766 preview
A brief preview of CIRIA C766 which has replaced C660

Si Shen
Nov 20, 20183 min read
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