timbercrete structural design-2

8/17/2019 Timbercrete Structural Design-2

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Design of Timbercrete Masonry

Scope and limitations of this spreadsheet

The design is in accordance with AS 3700-2001.

The design must be carried out by qualified and e!erienced Structural "ngineers.

The design assum!tions set out herein must be #erified by the Structural "ngineer.

The Structural "ngineer must ta$e res!onsibility for%

& 'erifying the suitability of the !articular a!!lication(

& )btaining accurate and re!resentati#e characteristic material !ro!erties(

& "nsuring the construction com!lies with AS 3700-1**+( including steel anchorage.

& "nsuring that the assumed su!!ort conditions are achie#ed( and not com!romised by control ,oints( chases

To use this spreadsheet

ight green cells indicate that the user must confirm the #alue or in!ut a new #alue at this !oint.ight yellow cells indicate the results of calculations at significant stages of the !rocess.

ellow cells indicate the !rinci!al results of calculations at the com!letion of each ma,or stage.

Turquoise cells indicate the results of design chec$s /) or roblem and factor against failure.

ur!le cells indicate other im!ortant information.

Copyright

This information was first !ublished by the o!yright 4older on web site www.electronicblue!rint.com.au 17th

ithout limiting the rights of the o!yright 4older( Timbercrete ty td and designers of Timbercrete !roducts are

This 8icrosoft "cel s!readsheet may be used by Structural 9esign "ngineers for the design by ultimate load limsub,ect to out-of-!lane hori:ontal loads( in-!lane hori:onal loads and #ertical loads.

;uasar 8anagement Ser#ices ty td and "lectronic


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'ertical oads

Vertical Loads On Masonry Walls

This s!readsheet !ermits the calcualtion of #ertical loads on masonry walls. =or Timbercrete( the building

Total factored loads $5>m 41

ltimate !ertical load capacity by Simplified "ules $5>m 1#1

"apid $nput

4eight of wall 4 m 2.?0

ength of walls su!!orting the load m 1.00

Thic$ness of leaf tw1 mm 1*0

Slab area acting 2.?0

Slab thic$ness mm 1?0

Components applying load

@oof /0(1 1

all 2 /0(1 1Slab 1 1

all 1 being analysed 1

Wall 1 %&eing 'nalysed( 1

4eight of wall 4 m 2.?0

ength of walls m 1.00

Area of wall acting 2.?

Thic$ness of leaf 1 tw1 mm 1*0

Thic$ness of leaf 2 tw2 mm 0

ercentage solid leaf 1 - 100

ercentage solid leaf 2 - 100Thic$ness of !laster t! mm 0

5o of surfaces !lastered 5! 0

m B.7

9ead load factor 1.2

=actored dead load $5>m ?.6

Slab 1 0

Area acting m2 2.?0

Thic$ness mm 1?0

Cniform dead load $a 3.+

Cnit dead load $5>m *.B

9ead load factor 1.2?

=actored unit dead load $5>m 11.7

Cniform li#e load $a 1.?

Cnit li#e load $5>m 3.+

i#e load factor 1.?

=actored unit li#e loads $5>m ?.6

Total factored loads $5>m 17.3

Wall ) 0

=&

$ =o

AS1 m2

tS1

A1 m2

$5>m3

$5>m2

D1

=d 1

AS1

tS1

gS1

DS1

D&S1

qS1

;S1

;&S1

=d S1


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'ertical oads

4eight of walls m 2.?0





ercentage solid leaf 1 - 100ercentage solid leaf 2 - 100

Thic$ness of !laster t! mm 0


m B.7


=actored unit dead load $5>m ?.6

Total factored loads $5>m 41*)

Strip +ootings

=ooting width w mm 4,-

Cltimate bearing !ressure q& $a *2

or$ing bearing !ressure $a 70

all 6 /0(1 6 -

Slab ? /0(1 ? -

all ? /0(1 ? -

Slab B /0(1 B -

all B /0(1 B -

Slab 3 /0(1 3 -

all 3 /0(1 3 -

Slab 2 /0(1 2 -

Slab ) 2

Area acting m2 2.?0

Thic$ness mm 1?0





42

2

A2 m2

$5>m3

$5>m2

D2

=d 2

=d

qwor$

AS2

tS2

gS2

DS2

D&S2


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'ertical oads



i#e load factor 1.?



Wall . 3










m B.7



Slab . 3

Area acting m2 2.?0

Thic$ness mm 1?0







i#e load factor 1.?



Wall 4 B










m B.7


qS2

;S2

;&S2

=d S2

43

3

A3 m2

$5>m3

$5>m2

D3

=d 3

AS2

tS2

gS2

DS2

D&S2

qS2

;S2

;&S2

=d S2

43

3

A3 m2

$5>m3

$5>m2

D3


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'ertical oads


Slab 4 B

Area acting m2 2.?0

Thic$ness mm 1?0







i#e load factor 1.?



Wall , ?










m B.7



Slab , ?

Area acting m2 2.?0

Thic$ness mm 1?0







i#e load factor 1.?



Wall / 6




=d 3

AS2

tS2

gS2

DS2

D&S2

qS2

;S2

;&S2

=d S2

43

3

A3 m2

$5>m3

$5>m2

D3

=d 3

AS2

tS2

gS2

DS2

D&S2

qS2

;S2

;&S2

=d S2

43

3

A3 m2


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'ertical oads







m B.7



"oof @oof

Area of roof acting m2 7.00

Cniform dead load $a 1.20

Cnit dead load $5>m +.B



Cniform li#e load $a 0.2?


i#e load factor 1.?

=actored unit li#e loads $5>m 2.6


$5>m3

$5>m2

D3

=d 3

A@

g@

D@

D&@

q@

;@

;&@

=d @


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'ertical oads

height is limited to two storeys.

oads calculated below on this s!readsheet.

"ccentricity is determined by Simlified @ules.

En!ut the height of the wall being analysed( su!!ort to su!!ort

En!ut the total length of the masonry being analysed. 9efault is 1.0 metre.

En!ut thic$ness of the loaded leaf( 0( *0( 120( 1B0 or 1*0. 9efault is 1*0 mm.

En!ut the effecti#e area of the first slab being su!!orted. 9efault is related to the height of the wall.

En!ut the thic$ness of the first slab being su!!orted. 9efault is 1?0 mm.

Ty!e 1 if the roof is su!!orted on the wall( otherwise 0.

Ty!e 1 if a wall abo#e eerts load on the wall( otherwise 0.Ty!e 1 if a concrete slab eerts load on the wall( otherwise 0

En!ut thic$ness of the loaded leaf( 0( *0( 120( 1B0 or 1*0. 9efault is 0.

En!ut actual !ercentage soild. 9efault for Timbercrete is 100.

En!ut actual !ercentage soild. 9efault for Timbercrete is 100.En!ut actual thic$ness of !laster. 9efault for Timbercrete is 0 mm.

En!ut number of surfaces !lastered /0( 1 or 2. 9efault for Timbercrete is 0.

En!ut li#e load from AS 1170.1. 9efault for houses is 1.? $a.

En!ut density of masonry. 9efault for Timbercrete is 1(000 $g>m 3.


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'ertical oads

En!ut height of wall between slabs

The length of wall may de!end floor area su!!orted

En!ut thic$ness of the loaded leaf( 0( *0( 120( 1B0 or 1*0. 9efault is same as all 1.

En!ut thic$ness of the unloaded leaf( 0( *0( 120( 1B0 or 1*0. 9efault is 0.

This is the ultimate load on the wall being analysed

En!ut the footing width

This #alue may be used to chec$ wall su!!ort

This #alue may be used to chec$ wall su!!ort

Ty!e 1 if member eerts load on the wall( otherwise 0








En!ut actual area su!!orted

En!ut slab thic$ness


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'ertical oads

En!ut li#e load from AS 1170.1


The length of wall may de!end floo area su!!orted

*0( 110( 1B0 or 1*0

0( *0( 110( 1B0 or 1*0






*0( 110( 1B0 or 1*0

0( *0( 110( 1B0 or 1*0


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'ertical oads






*0( 110( 1B0 or 1*0

0( *0( 110( 1B0 or 1*0







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'ertical oads

*0( 110( 1B0 or 1*0

0( *0( 110( 1B0 or 1*0


En!ut the roof dead load from AS 1170.1



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'ert a!acity Sim!lified @ules

Vertical Load Capacity Of Masonry Walls 0 Des

ltimate !ertical load capacity $5>m 1#1

+actored total !ertical loads $5>m 41

Es wall ca!acity sufficientF O"tent to which wall ca!acity is sufficientF 4*.#

@obustness height limit m /*#4-

Es robustness ) F - O

@obustness thic$ness mm 1*0

all leaf thic$ness t mm 1*0

4eight of wall between su!!orts 4 m 2.?00

ength of wall between su!!orts m GGG

To! su!!ort /0(1 - 1

9oes wall su!!ort slabF /0(1 Slab - 1

"nd su!!orts /0(1(2 - -

Total !ier thic$ness > wall thic$ness - 0

ier s!acing /centre to centre mm 0

ier length along the wall mm 0

"ngaged !ier thic$ness coefficient - 1.00

h - - s

=ace shell thic$ness mm 2,

m3

#

h

a#

ah

Srs

$m

fHmb

h ,

hb>h

,

$h

fHm


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ier length - 0.00

Ab mm2

fHcg

$c

m

=0


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gn &y Simplified "ules

9efault is a large number.

Ef wall has to! su!!ort( ty!e 1.

Ef wall su!!orts a slab( ty!e 1.

En!ut the number of #ertical end su!!orts. 9efault is :ero.

=or common engaged !iers of the same units as the wall( this number will be 2.

En!ut the centre to centre s!acing. 9efault /for no !iers is 0.

En!ut the !ier length( usually the length of a masonry unit. 9efault /for no !iers is 0.01.

En!ut the coefficient from AS 3700 Table 7.2

haracteristic unconfined com!ressi#e strength of units. 9efault for Timbercrete is 3.0 8a.

Cnder 10 cores may be consideres as solid. 9efault is solid.

or$ si:e from manufacturer. =or solid units( assumed to be half of the thic$ness.

76( *0( 11*( 162 or 1*0

En!ut the bloc$ length. 9efault is 3*0 mm.En!ut the !ercentage of !lan area that is filled with grout. =or fully grouted( ty!e 100. 9efault is 0.

En!ut the grouted area !er unit length of wall

Ef there is grout !resent( default is 12 8a.

9efault assumes 10 mm


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Vertical Load Capacity for Concentrated Loads for Masonry Wall

all leaf thic$ness t 1*0 mm

"ngaged !ier thic$ness 1*0 mm 12-

4eight of wall between su!!orts 4 2(?00 mm

ength of wall 3(000 mm .3---"dge clearance to bearing !late on each side c 0 mm

m

=actored concentrated #ertical loads 33.0 $5>m ..*-

Es ca!acity sufficient under concentrated loadF roblem

Es ca!acity sufficient at mid-heightF )

tc

ds

a1

lg

fHuc

hb

fHc

$g>m3

ds

e

Ag s mm2

Ag e mm2

Ab s mm2

Ab e mm2

Ads mm2

Ade mm2

$m

fHmb

h ,

hb>h

,

$h

fHm

fHcg

$c

m

$b

=0 conc

=0 wall

=ca! concentrated load

=ca! mid height

=d


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18/35

Cnreinf masonry ateral a!

nreinforced Masonry 0 Out0of0plane &ending Capacities

ateral !ressure w& $a 1*--

ateral ca!acity /with #ertical su!!orts $a )*4-

Es there sufficient ca!acity F )ateral ca!acity /#ertical s!an( without #ertical su!!orts $a 1.0*1

Are #ertical su!!orts requiredF 5o

ermissible height for #ertical bending only 4# m )*,-

all thic$ness mm 1*0

4ollow or solid units /h >s s

=ace shell thic$ness mm *?

ateral modulus of ru!ture 8a 0.+

ercentage solid 100

4eight of unit mm 1*0

ength of unit mm 3*0

ength of o!ening m 0

ength to o!ening m 1.000"J012

ength m 3.000

4eight 4 m 2.B00

"nd su!!orts "S 1 or 2 1

To! su!!ort TS 0 or 1 1

oad bearing < 0 or 1 1

@estraint factor end 1 0 or 1 0

@estraint factor end 2 0 or 1 0

Additional load a!!lied at to! of wall $5>m 0

a!acity reduction factor φ - 0.6


19/35


m

8c#

$5.mhori:

8ch

$5.m#ert

8cd

$5.m#ert

#

h

d

4d

af


20/35


0.00

2.B0

0.00

2.B0

0.00

0.00

0.00

0.00

0.00

2.B0

0.00

0.00


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1*---

12- En!ut the wall thic$ness in mm.

En!ut OhO for hollow or OsO for solid. =or Timbercrete( default is solid.

En!ut face shell thic$ness if default is not a!!ro!tiate.

9efault #alue gi#en in AS 3700 is 0.+ 8a

En!ut solid( if default is not a!!ro!tiate.

76( *0( 11*( 162 or 1*0

230( 2*0 or 3*0

Set to :ero if no o!ening is !resent

Set to a high number if no o!ening is !resent

.*--- Set to a high number if o!ening is !resent

)*4--

1 Ef there is an o!ening( "nd su!!ort I 2

1

1

0 for no restraint( 1 for full restraint

0 for no restraint( 1 for full restraint

9efault #alue gi#en in AS 3700 is 0.2 8a

En!ut masonry density. =or Timbercrete( default is 1(000 $g>m 3.


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23/35



24/35

$n0plane Shear of nreinforced Masonry &ounded by "einforced

Combined 5all6column ma7imum shear capacity .,*# 89

ombined wall>column maimum shear ca!acity 11*2 $5>m

ombined wall>column maimum shear ca!acity 3*.+ $a

idth of building a!!lying rac$ing load < 3(000 mm .3---

4eight of wall 4 3(000 mm .3---

ength of wall including columns 3(000 mm .3---

Es wall !art of a system of walls su!!orting a concrete slabF /y>n n n

Es longitudinal o#erturning !re#entedF /y>n y y

"ternally a!!lied #ertical load 0.0 $5 -*-

Es wall su!!orted on a concrete slab( d!c( steel or similarF y

nreinforced Masonry

8asonry shear bond strength 0 8a

Shear factor 0.3 -

all thic$ness 9 1*0 mm 12-

Es unit cored or hollowF /c>h c

Es the wall bearing on a concrete or steel su!!ortF y

ercentage solid 100

ombined bedded and grout area !er metre 1*0

=ace shell thic$ness *? mm

a!acity reduction factor φ 0.6 -

=actor against o#erturning 0.+ -

Self weight ?B.* $5

Total #ertical load ?B.* $5

all shear ca!acity 16.? $5

)#erturning shear ca!acity 21.* $5

Cnreinforced masonry maimum shear ca!acity 1/*, 89

"einforced Columns

4eight of column>shear wall 4 3000 mm

16? mm 16?

all thic$ness 9 1*0 mm

a!acity reduction factor 0.7? -

Steel ?00 8a

5o #ert bars in each core 1 -

9iameter #ertical bars 12 mm

8asonry confined strength 0.3? 8a

5umber of columns contributing to ca!acity 5 2

Area of one #ertical bar 110

Total area #ertical bars /effecti#e area of #ert bars 110

Shear area 31(3?0

olumn shear ca!acity of one column *.7 $5

φ '

φ '

φ w

et

f #r

$#

Adw mm2>m

ts

φo#erturn

self

'mas ca!

'o#erturn ca!

Vmin cap

ength of wall or effecti#e de!th of column

φreinf

f sy

5#ert

dia #ert

f #r

As# 1 mm2

As# mm2

mm2

φ 'col


25/35

Total column shear capacity 12*. $5φ ' t col


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oncrete Columns


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$n0plane Shear of "einforced Masonry

$mportant 9ote: This spreadsheet can only be used for ;ollo5 &loc8s*

Ma7imum shear capacity $5 .2*, 89

Ma7imum shear capacity $5>m 1.*)Ty!e of wall Shear wall

5umber of courses in wall 1B

4eight of each course 171

4eight of wall 4 2(B00 mm

ength of wall 3(000 mm

5o of hori: grouted beams or stri!s 6

ength end to anchorage steel lH 100 mm

"ternally a!!lied #ertical load 0.0 $5

all thic$ness 9 1?0 mm

h - - s

=ace shell thic$ness mm 7?


29/35

9iameter hori:ontal bars 12 mm

Es the wall fully groutedF /y>n y

8inimum number of hori:ontal grouted beams for shear wall 2

8inimum number of #ertical grouted cores 3

=ace shell thic$ness 30 mm

Area of one hori:ontal bar or stri! 22.?Total area of hori:ontal bars or stri! 13?

5umber of hori:ontal bars or stri!s crossing the crac$ 7

"ffecti#e area hori:ontal bars or stri! crossing crac$ 1?7.?

5umber of #ertical bars or stri!s crossing the crac$ 2

Area of one #ertical bar +B.3

Total area #ertical bars /effecti#e area of #ert bars 16+.6

"ffecti#e de!th for o#erturning d 2*00 mm

8aimum design area of tensile steel +30

Area of #ertical anchorage bars +B.3

ro!ortion grouted /if not com!letely filled ! 1.00 -4eight ratio 4> 0.+0 -

8asonry confined strength 1.100 8a

A#erage density of wall 1(000

Self weight ?.6 $5

Total #ertical load ?.6 $5

Shear area 31?(000

Toe crushing factor 0.**3 -

all shear ca!acity 307.1 $5

m3

self

Ad mm2

$sw

φ'mas ca!

φ'beam

φ'o#erturn ca!


30/35

14

11

3(000

100

0.0

1,-

.*- haracteristic unconfined com!ressi#e strength of units. 9efault for Timbercrete is 3.0 8a.

s Cnder 10 cores may be consideres as solid. 9efault is solid.

or$ si:e from manufacturer. =or solid units( assumed to be half of the thic$ness.

76( *0( 11*( 162 or 1*0

En!ut the bloc$ length. 9efault is 3*0 mm.

En!ut the !ercentage of !lan area that is filled with grout. =or fully grouted( ty!e 100. 9efault i

En!ut the grouted area !er unit length of wall

Ef there is grout !resent( default is 12 8a.

1-*-

21 9efault assumes 10 mm

9efault is 0.7?.

,-- 9efault is ?00 8a.

1 9efault is 1.

1 9efault is 1.

M1) 9efault is 512. O5O signifies reinforcing bar. O8O signifies threaded bar.

1 9efault is 1.


31/35

12 9efault is 12 mm.

y 9efault is yes - fully grouted. T4ES A5 )5 A T) 4))


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0.


33/35


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"einforced Masonry $solated


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s

timbercrete structural design-2

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