Si Shen
Tips for complex analytical modelling in civil engineering
This blogpost shares a few tips about modelling from personal experience
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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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Si Shen
Mar 13, 20232 min read
Creep, stress relaxation and shrinkage
Creep, stress relaxation and shrinkage are different concepts but easily confused
484 views0 comments
Si Shen
Nov 11, 20212 min read
Plain concrete - how is it different
there is a different set of design rules for plain concrete
429 views2 comments
Si Shen
Oct 11, 20213 min read
How does a foundation fail
the ultimate failure of foundations is a lot more complicated to understand
940 views0 comments
Si Shen
Sep 7, 20212 min read
Plane-stress vs. Plane-strain
“Plane-stress” and “Plane-strain” are are essentially two variations of 2D analysis, with differences in their assumptions.
3,933 views0 comments
Si Shen
Jul 19, 20214 min read
How reinforced concrete degrade
The principle of durability design is to slow down the damage process sufficiently so that the reinforced concrete sustains the damage
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Si Shen
May 18, 20214 min read
Plastic analysis of reinforced concrete – plastic hinge, moment-curvature and moment-stiffness
Utilising plastic hinges can tap out fuller potential of the structure and achieve an economic design
1,914 views1 comment
Si Shen
May 2, 20214 min read
Sprayed concrete – what’s special about it?
This post is a study note based on various sources rather than professional advice, and may not be reflective of the most up-to-date...
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Si Shen
Mar 25, 20213 min read
Concrete behaviour in tension (1)
Taking concrete as linear-elastic in both compression and tension is like treating it as metal and can lead to over-dosage of reinforcement.
1,298 views0 comments
Si Shen
Mar 9, 20213 min read
Top 5 unique challenges of designing underground structures
In the underground world, being apparently accurate in the calculation process is usually meaningless.
134 views0 comments
Si Shen
Feb 15, 20212 min read
Premortems in engineering design
the ‘premortem’ is an extremely useful management tool that can be equally applied to the way of us approaching engineering issues
37 views0 comments
Si Shen
Jan 24, 20213 min read
Stiffness, strength and ductility
Stiffness, strength and ductility are three crucial concepts in the understanding of structural behaviour, particularly in terms of seismic
1,532 views0 comments
Si Shen
Jan 10, 20213 min read
Disadvantages of large diameter reinforcement
the designer must bear in mind the downside of large diameter reinforcement, which is explained in this blog post.
497 views0 comments
Si Shen
Dec 27, 20204 min read
Fire engineering for concrete structures
This blog post outlines the overall fire engineering approach and touches on some basic principles.
191 views0 comments
Si Shen
Nov 12, 20202 min read
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.
111 views0 comments
Si Shen
Oct 31, 20202 min read
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
912 views0 comments
Si Shen
Aug 26, 20201 min read
What structural engineers need to know about waterproofing membrane
the membrane is a delicate thing and requires a lot of careful detailing and handling.
248 views0 comments
Si Shen
Jul 27, 20202 min read
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...
80 views0 comments
Si Shen
Jun 30, 20202 min read
How to specify concrete cover
How to specify concrete cover
146 views0 comments
Si Shen
Mar 6, 20202 min read
Practical durability design for concrete
summarises how concrete deteriorate in plain language and practical measures to make it durable.
81 views0 comments
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