TCC71 Stair Flight & Landing - Single.xls

 Project

Spreadsheets to EC2

 Client

Advisory Group

 Location

South Staircase

The Concrete Centre  Ma  Made by

Date

rmw

FLIGHT

S*A.$ +/.G0*S A'D /A'D.'GS to E' 12-1 2)) 4rigi%ated 5rom *CC1678s v o% CD

 Ch  Chec#ed

3-Apr-1 $evisio%

chg

( 2))" - 2)1 *CC

Page

-

2!" &ob 'o

+,2"

 MATERIALS fck

30

Mpa

γc

1.5

fyk

500

Mpa

γs

1.15

dg

20

mm

ensity

&o'er

25

mm

(Normal weight concrete)

25

 DIMENSIONS

a= b= c= d= e= oing = ise = ise ise =

600 2500 1200 /600 /100 250 100 12. 2.

Min bar Ø = 10

concrete steel

Max bar Ø = 16

k!"m#

$teel class = % !ominal top steel ( ( )  ) SECTIONAL ELEVATION

mm mm mm

landing %* + = ,ig+t -aist = landing &* + =

200 15 200

mm mm mm mm total mm eac+ step

 = 4300 10 trea treads ds ak ake = 34.64 34.64 

 LOADING mposed 4.00 k!"m7 9lig+t :nis+es 1.60 k!"m7 anding :nis+es 1.30 k!"m7

43.64 k!"m 8lt ;21.54 < 11.16

34.3 k!"m 8lt ;16.1 < >.>4

 DESIGN LANDING A, gk = 5.00 < 1.30 = 6.30 k!"m7

n = 1.25 x 6.30 < 1.50 x 4.0 = 13.> k!

FLIGHT, gk = .4> < 1.60 = .0> k!"m7

n = 1.25 x .0> < 1.50 x 4.0 = 1.33 k!

LANDING C, gk = 5.00 < 1.30 = 6.30 k!"m7

n = 1.25 x 6.30 < 1.50 x 4.0 = 13.> k!

?ero s+ear s+ear is at 0.6 < ;43.64 / 16.64 "1.33 = 2.15 m from from left M = 43.64 x 2.15 / 16.64 x 2.15 2.15 / 1.33 x 1.557"2 = 3.22 k!m"m d = 15 / 25 / > = 142 mm @ = 0.0615 %s = 640 mm7"m ### AAA Cs = 232.> Mpa

Enhanced by 53.4 % for deection

"d = 4*300 "142 = 30.2> 30.2> B 22. x 1.331 x 1.000 = 30.2> allo-ed allo-ed

H10 @ 350 T in span OK

 Project

Spreadsheets to EC2

 Client

Advisory Group

 Location

South Staircase

The Concrete Centre

 Made by

Date

rmw

LANDING

S*A.$ +/.G0*S A'D /A'D.'GS to E' 12-1 2))

4rigi%ated 5rom *CC1678s v o% CD

 Chec#ed

3-Apr-1 $evisio%

chg

( 2))" - 2)1 *CC

Page

 

2! &ob 'o

+,2"

 MATERIALS fck

30

!"mm7

γc

1.5

fyk

500

!"mm7

γs

1.15

dg &o'er

20

mm

25

mm

 DIMENSIONS a = 1200 b = 1200 c = 250 d = 15  LOADING LANDING

mm mm

Min bar Ø = 10

concrete

Max bar Ø = 16

steel

ensity 25 k!"m# (Normal weight concrete)

!ominal top steel ( )

pt+* + = 15 mm idt+* - = 1200 mm

mm

=

mm

posed 9inis+es $lab gk

4.00 1.50 4.3>

3000 mm

k!"m7 k!"m7

3.50 k! 8lt 61.25 k!"m 8lt

6>.12 k! 8lt 56. k!"m 8lt

k!"m7

qk

9lig+t a reaction 21.54

11.16

k!"m

9lig+t b reaction 16.1

>.>4

k!"m

n = 1.25 x 5.>> < 1.5 x 4.0 = 13.34 k!"m7 n1 = ;1.25 x 21.54 < 1.5 x 11.16"1.20 = 36.3 n2 = ;1.25 x 16.1 < 1.5 x >.>4"1.20 = 2>.64

 DESIGN ?ero s+ear is at ;61.25 / 2.33 ";13.34 < 36.3 < 0.15 = 1.360 m from left M = 61.25 x 1.360 / 13.34 x 1.3607"2 / 36.3 x 1.1>57"2 = 45.43 k!m"m d = 15 / 25 / > = 142 mm @ = 0.051 %s = 2 mm7"m ### AAA

Cs = 2. Mpa

Enhanced by 70.1 % for deection

"d = 3*000 "142 = 21.12 B 1.1 x 1.10> x 1.000 = 21.12 allo-ed

H10 @ 350 T in span OK

National Annex values EC2 Ref

Va"e

 Dable 2.2

Fnct!on =c

 Dable 2.2

=s

1.15

teel

3.1.6 ;1E

>cc

0.>5

trength factor 

 Dable .4!

Ma7 31)?@s

1.5

 Dable .4!

Characteristic

1.5

concrete

limit to modi!cation factor 

&+aracteristic load combination

.3.1.1 ;3

Smax s8abs MA.'

400

/=/

-9-

3

.3.1.1 ;3

Smax s8abs D.S*

450

/=/

-9-

3.5

G! 10

=Gsup

1.35

dead load factor 

G! 10

=Gi%5 

1

dead load factor 

G! 10

=B 

1.5

G! 10

A88ow 61)a : b;

 )es

G! 10

<

0.25

UD UD UD UD

ma lab "acing or  h ma lab "acing or  h

im"oed load factor  loading e#$ation &'  modi!cation factor 

PL PL PL PL

250 2 400 3

TABLE A1.1 EN1990 

#$

#%

#2

-elling

0.

0.5

0.3

HFce

0.

0.5

0.3

&ro-ds

0.

0.

0.6

$+opping

0.

0.

0.6

$torage

1

0.

0.>

 DraFcI=30k!

0.

0.

0.6

raFc* 30 to 160k!

0.

0.5

0.3

oofs

0

0

0

$no-

0.5

0.2

0

TABLE .!N 

0

0

1

1

2

1.3

3

1.5

4

1.

5

0.4

CODE

&'

1.5

1.5

1.15

1.15

1

0.>5

 

400

250

400

250

3

2

3

2

450

400

450

400

3.5

3

3.5

3

1.35

1.35

1

1

1.5

1.5

J8asi/permanent

 )es

)es

&+aracteristic

0.>5

0.25

&+aracteristic $$

b a

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Status of spreadsheet Public release version

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Revision history TCC71 Stair Flight & anding ! Single

Date

Version

Action

Size /;

29-Mar-10

TCC71 v4.0

Updated to revised UK National Annex

602

21-Nov-06

TCC71 v3.1

!prove!ent to As en"an#e!ent !et"od $or de$le#tion #ontrol.

%72

2&-'(n-06

TCC71 v3.0

v3 release. )a*e nos+ User ,(ide and re*istration details a!ended.

%77

10-Apr-00

TCC71 v1.0

irst iss(e

%&&