Thermal expansion joints 1

[ITV]

My friends, i have to study a concrete building in Saudi Arabia, Jeddah. The climate temperatures are known (see below).
Can someone make a building that is 43m continuous or should we make an expansion joint obligatory? I can't find any regulation that forces you to a "maximum allowable length" of a building without an expansion joint


Data Categories
Elevation Above Mean Sea Level, m 11
Station Coordinates: Latitude North 21°30'
Longitude East 39°12'
Ambient Air & Soil Temperatures, (°C):
Average Annual Temperature 28
Average Daily Maximum Temp. (hottest month) 32
Monthly Normal Max. Temp. (hottest month) 39
Average Daily Soil Temp. (1 m below grade) -
Mo. Normal Max. Soil Temp. (1 m below grade) -
Lowest One-Day Mean Temperature 16
Highest One-Day Mean Temperature 36
Lowest Recorded Temperature 10
Highest Recorded Temperature 49
Summer Design Dry Bulb Temp. @ 1% 41
Mean Coincident Wet Bulb Temp. @ 1% 30
Summer Design Dry Bulb Temp. @ 2.5% 39
Mean Coincident Wet Bulb Temp. @ 2.5% 29
Summer Design Wet Bulb Temp. @ 1% 30
Mean Coincident Dry Bulb Temp. @ 1% 34
Summer Design Wet Bulb Temp. @ 2.5% 29
Mean Coincident Dry Bulb Temp. @ 2.5% 33
Summer Design Dry Bulb Temp. @ 5% -
Mean Daily Range 12
Winter Design Dry Bulb Temp. @ 99% 14
Wind:
Basic Wind Speed, 3-sec gust, km/hr 150
Basic Wind Speed, Fastest-mile, (km/hr) 50 yr 126
Exposure Category (Note 1) C
Prevailing Direction NNW
Precipitation, mm:
Rainfall, Average Annual
54
Rainfall Maximum in 24 hours
52
Rainfall Intensity
Note *
Isokeraunic Levels (days lightning/year)
10*

 

[HTURKAK]

Mr. ITV ;

You have provided excellent climate data of Jeddah , however no inf. regarding the structure.

Pls provide some info. ( structural plan, no. of storeys etc )..

I know JEDDAH and my initial opinion ( for RC , multistorey bldg with the core located about center ..) is 43 m reasonable max..















Tim was so learned that he could name a
horse in nine languages: so ignorant that he bought a cow to ride on.
(BENJAMIN FRANKLIN )

 

[ITV]

It is one floor only (ground floor). Here is the structural plan : (wetransfer link)

https://we.tl/t-W8EQaUWqe9

 

[MotorCity]

The planning of expansion joints should be based on:
1. How much is your building expected to expand and contract?
2. How much expansion and contraction can your building tolerate?

Thermal forces can be easily calculated.
Once this is done, apply the thermal forces using the applicable load combinations and see how the members are affected.
Plan the width and location of your expansion joints accordingly.
I am not aware of any US code requirements for expansion joints other than "provide them if you need them" type language

 

[SandwichEngine]

The only thing I'm aware of for guidance in the US is a document you can google called "Expansion Joints in Buildings: Technical report No. 65."

 

[HTURKAK]

https://we.tl/t-W8EQaUWqe9[/URL]]

ITV, next time pls try to post details directly uploading to forum rather than link to Wetransfer etc and pls provide pdf drawings .

I looked to the subject Autocad dwg with TRUEVIEW .. Pls correct me if i understand wrong,

The subject building has dims (43 m X 13 m X 8.15 m H ) single storey RC bldg with waffle slab ..
In this case , you do not need EJ however , the structural system should be studied. IMO, ( without knowing the function and architectural demands ) , the total bldg could be steel structure or at least RC columns with steel roof , space truss etc..

If this is the final decision, still you may improve the frame behavior with adding frame beams , adding perimeter drop beams instead of heavy shallow beams ..









Tim was so learned that he could name a
horse in nine languages: so ignorant that he bought a cow to ride on.
(BENJAMIN FRANKLIN )