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Ti nker AFB, OK TAFB Techni cal Spr ci f i cat i ons 2019

SECTI ON 03 20 00. 00 10

CONCRETE REI NFORCI NG

PART 1 GENERAL

1. 1 REFERENCES

The publ i cat i ons l i s t ed bel ow f or m a par t of t hi s speci f i cat i on t o t he ext ent r ef er enced. The publ i cat i ons ar e r ef er r ed t o wi t hi n t he t ext by t he basi c desi gnat i on onl y.

AMERI CAN CONCRETE I NSTI TUTE I NTERNATI ONAL ( ACI )

ACI 318 ( 2014; Er r at a 1- 2 2014; Er r at a 3- 5 2015;

Er r at a 6 2016) Bui l di ng Code Requi r ement s f or St r uct ur al Concr et e and Comment ar y

ACI SP- 66 ( 2004) ACI Det ai l i ng Manual

AMERI CAN WELDI NG SOCI ETY ( AWS)

AWS D1. 4/ D1. 4M ( 2011) St r uct ur al Wel di ng Code - Rei nf or ci ng St eel

ASTM I NTERNATI ONAL ( ASTM)

ASTM A1035/ A1035M ( 2016) St andar d Speci f i cat i on f or Def or med and Pl ai n, Low- car bon, Chr omi um, St eel Bar s f or Concr et e Rei nf or cement

ASTM A1064/ A1064M ( 2015) St andar d Speci f i cat i on f or Car bon- St eel Wi r e and Wel ded Wi r e Rei nf or cement , Pl ai n and Def or med, f or Concrete

ASTM A184/ A184M ( 2006; E2011) St andar d Speci f i cat i on f or Fabr i cat ed Def or med St eel Bar Mat s f or Concr et e Rei nf or cement

ASTM A53/ A53M ( 2012) St andar d Speci f i cat i on f or Pi pe, St eel , Bl ack and Hot - Di pped, Zi nc- Coat ed, Wel ded and Seaml ess

ASTM A615/ A615M ( 2015a; E 2015) St andar d Speci f i cat i on f or Def or med and Pl ai n Car bon- St eel Bar s f or Concr et e Rei nf or cement

ASTM A675/ A675M ( 2014) St andar d Speci f i cat i on f or St eel Bar s, Car bon, Hot - Wr ought , Speci al Qual i t y, Mechani cal Pr oper t i es

ASTM A706/ A706M ( 2014) St andar d Speci f i cat i on f or Low- Al l oy St eel Def or med and Pl ai n Bar s f or Concr et e Rei nf or cement

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ASTM A767/ A767M ( 2009; R 2015) St andar d Speci f i cat i on f or Zi nc- Coat ed ( Gal vani zed) St eel Bar s f or Concr et e Rei nf or cement

ASTM A884/ A884M ( 2014) St andar d Speci f i cat i on f or Epoxy- Coat ed St eel Wi r e and Wel ded Wi r e Reinforcement

ASTM A934/ A934M ( 2013) St andar d Speci f i cat i on f or Epoxy- Coat ed Pr ef abr i cat ed St eel Rei nf or ci ng Bar s

CONCRETE REI NFORCI NG STEEL I NSTI TUTE ( CRSI )

CRSI 10MSP ( 2009; 28t h Ed) Manual of St andar d Pr act i ce

1. 2 SUBMITTALS

Gover nment appr oval i s r equi r ed f or submi t t al s wi t h a " G" desi gnat i on;

submi t t al s not havi ng a " G" desi gnat i on ar e f or Cont r act or Qual i t y Cont r ol appr oval . Submi t t he f ol l owi ng i n accor dance wi t h Sect i on 01 33 00

SUBMI TTAL PROCEDURES:

SD- 01 Pr econst r uct i on Submi t t al s

But t - Spl i ces; G

SD- 02 Shop Dr awi ngs

Rei nf or cement ; G

SD- 03 Pr oduct Dat a

SD- 04 Sampl es

Epoxy- Coat ed Bar s

SD- 07 Cer t i f i cat es

Rei nf or ci ng St eel Qual i f i ed Wel der s Qual i f i cat i on of St eel Bar But t - Spl i cer s

1. 3 QUALI TY ASSURANCE

1. 3. 1 Wel di ng Qual i f i cat i ons

Wel der s ar e r equi r ed t o be qual i f i ed i n accor dance wi t h AWS D1. 4/ D1. 4M.

Per f or m qual i f i cat i on t est at t he wor ksi t e and not i f y t he Cont r act i ng Of f i cer 24 hour s pr i or t o conduct i ng t est s. Speci al wel di ng pr ocedur es and wel der s qual i f i ed by ot her s may be accept ed as per mi t t ed by AWS D1. 4/ D1. 4M. Submi t a l i s t of qual i f i ed wel der s names.

1. 3. 2 Qual i f i cat i on of St eel Bar But t - Spl i cer s

Qual i f i cat i on of st eel bar but t - spl i cer s ar e r equi r ed t o be cer t i f i ed t o have sat i sf act or i l y compl et ed a cour se of i nst r uct i on i n t he pr oposed

Apr i l 2019 Page 2 SECTI ON 03 20 00. 00 10 met hod of but t - spl i c i ng or have sat i sf act or i l y per f or med such wor k wi t hi n t he pr ecedi ng year . Submi t cer t i f i cat es on t he Qual i f i cat i ons of St eel Bar But t - Spl i cer s pr i or t o commenci ng but t - spl i c i ng.

1. 3. 3 Qual i f i cat i on of But t - Spl i c i ng Pr ocedur e

As a condi t i on of appr oval of t he but t - spl i c i ng pr ocedur e, make t hr ee t est but t - spl i ces of st eel bar s of each si ze t o be spl i ced usi ng t he pr oposed but t - spl i c i ng met hod, i n t he pr esence of t he Cont r act i ng Of f i cer . Tensi on t est ed t o dest r uct i on t hese t est but t - spl i ces and unspl i ced bar s of t he same si ze, wi t h st r ess- st r ai n cur ves pl ot t ed f or each t est . Test r esul t s must show t hat t he but t - spl i ces meet t he speci f i ed st r engt h and def or mat i on r equi r ement s i n or der f or t he spl i c i ng pr ocedur e t o be approved.

1. 4 DELI VERY, STORAGE, AND HANDLI NG

St or e r ei nf or cement and accessor i es of f t he gr ound on pl at f or ms, ski ds, or ot her suppor t s.

PART 2 PRODUCTS

2. 1 DOWELS

Pr ovi de dowel s conf or mi ng t o ASTM A675/ A675M, Gr ade 80 or ASTM A1035/ A1035M.

St eel pi pe conf or mi ng t o ASTM A53/ A53M, Schedul e 80, may be used as dowel s pr ovi ded t he ends ar e c l osed wi t h met al or pl ast i c i nser t s or wi t h mor t ar .

2. 2 FABRI CATED BAR MATS

Fabr i cat ed bar mat s conf or mi ng t o ASTM A184/ A184M.

2. 3 REI NFORCI NG STEEL

Rei nf or ci ng st eel of def or med bar s conf or mi ng t o ASTM A615/ A615M, ASTM A706/ A706M, or ASTM A1035/ A1035M gr ades and si zes as i ndi cat ed. Col d dr awn wi r e used f or spi r al r ei nf or cement must conf or m t o ASTM A1064/ A1064M.

Submi t cer t i f i ed copi es of mi l l r epor t s at t est i ng t hat t he r ei nf or ci ng st eel f ur ni shed cont ai ns no l ess t han 25 per cent r ecycl ed scr ap st eel and meet s t he r equi r ement s speci f i ed her ei n, pr i or t o t he i nst al l at i on of r ei nf or ci ng st eel .

2. 3. 1 Zi nc- Coat ed ( Gal vani zed) Bar s

Zi nc- coat ed ( gal vani zed) bar s compl yi ng wi t h t he r equi r ement s of ASTM A767/ A767M, Cl ass I I coat i ng, gal vani zed af t er f abr i cat i on.

2. 3. 2 Epoxy- Coat ed Bar s

Epoxy- coat ed st eel bar s compl yi ng wi t h t he r equi r ement s of ASTM A934/ A934M, i ncl udi ng wr i t t en cer t i f i cat i ons f or coat i ng mat er i al and coat ed bar s, sampl e of coat i ng mat er i al , and 1. 5 pounds of pat chi ng mat er i al .

2. 3. 3 Mechani cal But t - Spl i ces

Mechani cal but t spl i ces must be an appr oved exot her mi c, t hr eaded coupl i ng, Apr i l 2019 Page 3 SECTI ON 03 20 00. 00 10 swaged sl eeve or ot her posi t i ve connect i ng t ype, and devel op 125 per cent of t he speci f i ed mi ni mum yi el d t ensi l e st r engt h of t he spl i ced bar s or of t he smal l er bar i n t r ansi t i on spl i ces. I n addi t i on t o t hi s st r engt h r equi r ement , t he addi t i onal def or mat i on of number 14 and smal l er bar s due t o s l i ppage or ot her movement wi t hi n t he spl i ce s l eeve cannot exceed 0. 015 i nches ( uni t st r ai n 0. 0015 i nches/ i nch) beyond t he el ongat i on of an unspl i ced bar based upon a 10 i nch gage l engt h spanni ng t he ext r emi t i es of t he s l eeve at a st r ess of 30, 000 psi . The addi t i onal def or mat i on of number 18 bar s must not exceed 0. 03 i nches ( uni t st r ai n 0. 003 i nches/ i nch) beyond t he el ongat i on of an unspl i ced bar based upon a 10 i nch gage l engt h spanni ng t he ext r emi t i es of t he s l eeve at a st r ess of 30, 000 psi .

Det er mi ne t he amount of t he addi t i onal def or mat i on f r om t he st r ess- st r ai n cur ves of t he unspl i ced and spl i ced bar s t est ed as r equi r ed i n par agr aph QUALI FI CATI ON OF BUTT- SPLI CI NG PROCEDURE f or qual i f i cat i on of t he but t - spl i c i ng pr ocedur e.

2. 4 WELDED WI RE REI NFORCI NG

Wel ded wi r e r ei nf or ci ng conf or mi ng t o ASTM A1064/ A1064M. When di r ect ed by t he Cont r act i ng Of f i cer f or speci al appl i cat i ons, use wel ded wi r e r ei nf or ci ng conf or mi ng t o ASTM A884/ A884M.

2. 5 WI RE TI ES

Use wi r e t i es t hat ar e 16 gauge or heavi er bl ack anneal ed st eel wi r e.

Ti es f or epoxy- coat ed bar s must be vi nyl - coat ed or epoxy- coat ed. Use zi nc- coat ed t i es f or z i nc- coat ed bar s.

2. 6 SUPPORTS

Desi gn bar suppor t s f or f or med sur f aces i n accor dance wi t h CRSI 10MSP and f abr i cat e of st eel or pr ecast concr et e bl ocks. Pr ovi de pr ecast concr et e bl ocks wi t h wi r e t i es and not l ess t han 4 i nches squar e when suppor t i ng r ei nf or cement on gr ound. Pr ecast concr et e bl ock must have compr essi ve st r engt h equal t o t hat of t he sur r oundi ng concr et e. Coat st eel suppor t s f or coat ed or gal vani zed bar s wi t h el ect r i cal l y compat i bl e mat er i al f or a di st ance of at l east 2 i nches beyond t he poi nt of cont act wi t h t he bar .

Wher e concr et e f or med sur f aces wi l l be exposed t o weat her or wher e sur f aces ar e t o be pai nt ed, use gal vani zed, pl ast i c pr ot ect ed or st ai nl ess st eel suppor t s wi t hi n 1/ 2 i nch of concr et e sur f ace. Concr et e suppor t s used i n concr et e exposed t o v i ew must have t he same col or and t ext ur e as t he f i ni sh sur f ace. For s l abs on gr ade and t oppi ng sl abs on st eel deck, suppor t s use pr ecast concr et e bl ocks, pl ast i c coat ed st eel f abr i cat ed wi t h bear i ng pl at es, or speci f i cal l y desi gned wi r e- f abr i c suppor t s f abr i cat ed of pl ast i c.

2. 7 SYNTHETI C FI BER REI NFORCEMENT

Pol ypr opyl ene synt het i c f i ber wi t h a deni er l ess t han 100 and a nomi nal f i ber l engt h of 2 i nches.

PART 3 EXECUTI ON

3. 1 REINFORCEMENT

Fabr i cat e and pl ace r ei nf or cement st eel and accessor i es as speci f i ed, as i ndi cat ed, and as shown on appr oved shop dr awi ngs. Fabr i cat i on and pl acement det ai l s of st eel and accessor i es not speci f i ed or shown must be i n accor dance wi t h ACI SP- 66 and ACI 318. Col d bend r ei nf or cement unl ess

Apr i l 2019 Page 4 SECTI ON 03 20 00. 00 10 ot her wi se aut hor i zed. Bendi ng may be accompl i shed i n t he f i el d or at t he mi l l . Mi l l bend zi nc- coat ed and epoxy- coat ed bar s pr i or t o coat i ng.

Bend al l st eel col d unl ess aut hor i zed. Do not bend bar s af t er embedment i n concr et e. Pl ace saf et y caps on al l exposed ends of ver t i cal concr et e r ei nf or cement bar s t hat pose a danger t o l i f e saf et y. Face wi r e t i e ends away f r om t he f or ms. Submi t det ai l dr awi ngs showi ng r ei nf or ci ng st eel pl acement , schedul es, s i zes, gr ades, and spl i c i ng and bendi ng det ai l s.

Show suppor t det ai l s i ncl udi ng t ypes, s i zes and spaci ng.

3. 1. 1 Placement

Rei nf or cement must be f r ee f r om l oose r ust and scal e, di r t , oi l , or ot her del et er i ous coat i ng t hat coul d r educe bond wi t h t he concr et e. Pl ace r ei nf or cement i n accor dance wi t h ACI 318 at l ocat i ons i ndi cat ed pl us or mi nus one bar di amet er . Do not cont i nue r ei nf or cement t hr ough expansi on j oi nt s and pl ace as i ndi cat ed t hr ough const r uct i on or cont r act i on j oi nt s.

Cover wi t h concr et e cover age as i ndi cat ed or as r equi r ed by ACI 318. I f bar s ar e moved mor e t han one bar di amet er t o avoi d i nt er f er ence wi t h ot her r ei nf or cement , condui t s or embedded i t ems, t he r esul t i ng ar r angement of bar s, i ncl udi ng addi t i onal bar s r equi r ed t o meet st r uct ur al r equi r ement s, r equi r es appr oval bef or e concr et e i s pl aced.

3. 2 WELDED- WI RE REI NFORCEMENT PLACEMENT

Pl ace wel ded- wi r e r ei nf or cement i n s l abs as i ndi cat ed. Rei nf or cement pl aced i n s l abs on gr ade must be cont i nuous bet ween expansi on, const r uct i on, and cont r act i on j oi nt s. Rei nf or cement pl acement at j oi nt s must be as i ndi cat ed.

Pl ace l ap spl i ces i n such a way t hat t he over l apped ar ea equal s t he di st ance bet ween t he out er most cr osswi r es pl us 2 i nches. St agger l aps t o avoi d cont i nuous l aps i n ei t her di r ect i on. Wi r e or c l i p t oget her r ei nf or cement at l aps at i nt er val s not t o exceed 4 f eet . Posi t i on r ei nf or cement by t he use of suppor t s.

3. 3 DOWEL I NSTALLATI ON

I nst al l dowel s i n s l abs on gr ade at l ocat i ons i ndi cat ed and at r i ght angl es t o j oi nt bei ng dowel ed. Accur at el y posi t i on and al i gn dowel s par al l el t o t he f i ni shed concr et e sur f ace bef or e concr et e pl acement .

Ri gi dl y suppor t dowel s dur i ng concr et e pl acement . Coat one end of dowel s wi t h a bond br eaker .

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