### 10 thoughts on “CALCULATION OF CRACK WIDTH IN DIRECT TENSION AS PER BS 8007:1987”

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gauravguptaHi, Can anybody tell what is Z in the above sheet and how to calculate it.

Giyotdhey can you explain from where did you get the Ms what is 0.93 and 1.88

anilbaralYes thank very much

EagleHi @anilbaral and welcome to strukts forum,

The above calculations were to focus on the crack width in piles only. However, to calculate the Neutral axix for a circular or rectangular columns, you need to iterate until the Summation of all forces = Zero;

-0.85*f'c*Ac + Sum(As*fs) + Pu/fi = Zero (Total)

You can use the following spreadsheet for circular columns: http://strukts.com/design-of-rc-circular-columns-as-per-aci318-08

Hope the above answers your question ðŸ™‚

anilbaralPlease explain briefly how the calculation for depth of neutral axis=356.3 &481.2 were calculated.Thank you.

TeisirThank you all, I will give try to this spreadsheets

eddThank you @eagle for the spreadsheet

Sorry @teisir I am not good in spreadsheets. Let us better check this spreadsheet posted by @eagle

EagleYou can download from this link http://itrnsfr.com/it-download/?eb160de1de89d9058fcb0b968dbbbd68/eb8b2400fb17abe5d0f24b06461f60f7/ENm81

EagleHi @Teisir, this will take a little time. However, I will try to send you a spreadsheet not prepared by me for small eccentricity crack width check.

TeisirCan you please develop an excel sheet to calculate the crack width for circular section under axial tension force (for example circular pile under uplift force or uplift force associated with moment)

Regards

Teisir