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, 2023
- 2 min
Creep, stress relaxation and shrinkage
Creep, stress relaxation and shrinkage are different concepts but easily confused
447 views0 comments
Si Shen
- Nov 11, 2021
- 2 min
Plain concrete - how is it different
there is a different set of design rules for plain concrete
392 views2 comments
Si Shen
- Oct 11, 2021
- 3 min
How does a foundation fail
the ultimate failure of foundations is a lot more complicated to understand
837 views0 comments
Si Shen
- Sep 7, 2021
- 2 min
Plane-stress vs. Plane-strain
“Plane-stress” and “Plane-strain” are are essentially two variations of 2D analysis, with differences in their assumptions.
3,615 views0 comments
Si Shen
- Jul 19, 2021
- 4 min
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
148 views0 comments
Si Shen
- May 18, 2021
- 4 min
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
1,711 views1 comment
Si Shen
- May 2, 2021
- 4 min
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...
79 views0 comments
Si Shen
- Mar 25, 2021
- 3 min
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.
1,178 views0 comments
Si Shen
- Mar 9, 2021
- 3 min
Top 5 unique challenges of designing underground structures
In the underground world, being apparently accurate in the calculation process is usually meaningless.
131 views0 comments
Si Shen
- Feb 15, 2021
- 2 min
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, 2021
- 3 min
Stiffness, strength and ductility
Stiffness, strength and ductility are three crucial concepts in the understanding of structural behaviour, particularly in terms of seismic
1,375 views0 comments
Si Shen
- Jan 10, 2021
- 3 min
Disadvantages of large diameter reinforcement
the designer must bear in mind the downside of large diameter reinforcement, which is explained in this blog post.
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Si Shen
- Dec 27, 2020
- 4 min
Fire engineering for concrete structures
This blog post outlines the overall fire engineering approach and touches on some basic principles.
180 views0 comments
Si Shen
- Nov 12, 2020
- 2 min
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.
109 views0 comments
Si Shen
- Oct 31, 2020
- 2 min
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
806 views0 comments
Si Shen
- Aug 26, 2020
- 1 min
What structural engineers need to know about waterproofing membrane
the membrane is a delicate thing and requires a lot of careful detailing and handling.
241 views0 comments
Si Shen
- Jul 27, 2020
- 2 min
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...
79 views0 comments
Si Shen
- Jun 30, 2020
- 2 min
How to specify concrete cover
How to specify concrete cover
139 views0 comments
Si Shen
- Mar 6, 2020
- 2 min
Practical durability design for concrete
summarises how concrete deteriorate in plain language and practical measures to make it durable.
80 views0 comments
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