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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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Disadvantages of large diameter reinforcement
the designer must bear in mind the downside of large diameter reinforcement, which is explained in this blog post.

Si Shen
Jan 10, 20213 min read
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Fire engineering for concrete structures
This blog post outlines the overall fire engineering approach and touches on some basic principles.

Si Shen
Dec 27, 20204 min read
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A structural engineer’s understanding of rock engineering
Rock is a natural material and its behaviour isn’t as easy to grasp as an engineered material with well-defined properties such as...

Si Shen
Nov 30, 20202 min read
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Selection of foundation type
Whether the small and shallow foundation gives the design a ‘pass’ or not depends mainly on two criteria: resistance and settlement.

Si Shen
Nov 12, 20202 min read
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Construction quality control and tolerances
The quality control measures put into place are essentially mitigation measures to deal with the risk of failure of compliance to the design

Si Shen
Oct 31, 20202 min read
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Atterberg limits – a theory to describe how watery the soil is
Atterberg limits – a theory to describe how watery the soil is

Si Shen
Oct 19, 20202 min read
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Shear (4) – back to the basics
The fundamentals of shear Shear can be understood as the sliding action between adjoining parts of a structural element. A few...

Si Shen
Oct 4, 20202 min read
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Innovation in moderation
A lot of people comment that the construction industry is backwards in adopting new technology. Why is this the case?

Si Shen
Sep 15, 20202 min read
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What structural engineers need to know about waterproofing membrane
the membrane is a delicate thing and requires a lot of careful detailing and handling.

Si Shen
Aug 26, 20201 min read
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Progressive Collapse
There was a famous event for tower blocks in London. In 1968 there was a gas explosion on the 18th floor of Ronan Point, but the...

Si Shen
Jul 27, 20202 min read
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Conceptual design (2)
A follow-up on the topic of conceptual design

Si Shen
Jul 14, 20202 min read
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How to specify concrete cover
How to specify concrete cover

Si Shen
Jun 30, 20202 min read
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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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Foundation settlement – ground consolidation and creep
What causes the foundation of a structure to settle? This blog explains the reasons from a soil engineering perspective.

Si Shen
Feb 13, 20202 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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