03 62 16.pdf

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

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METALLI C NON- SHRI NK GROUTI 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 211. 5R ( 2014) Gui de f or Submi t t al of Concr et e Proportions

ACI 214R ( 2011) Eval uat i on of St r engt h Test Resul t s of Concr et e

ACI 311. 4R ( 2005) Gui de f or Concr et e I nspect i on

ACI MCP SET ( 2015) Manual of Concr et e Pr act i ce

ASTM I NTERNATI ONAL ( ASTM)

ASTM C1107/ C1107M ( 2014a) St andar d Speci f i cat i on f or Packaged Dr y, Hydr aul i c- Cement Gr out (Nonshrink)

ASTM C150/ C150M ( 2015) St andar d Speci f i cat i on f or Por t l and Cement

ASTM C33/ C33M ( 2013) St andar d Speci f i cat i on f or Concr et e Aggregates

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- 06 Test Repor t s

Expansi on; G

Compr essi ve St r engt h G

SD- 07 Cer t i f i cat es

Por t l and Cement ; G

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Expansi ve Admi xt ur es; G

Expansi ve Gr out ; G

Aggr egat es; G

1. 3 QUALI TY CONTROL

1. 3. 1 Gr out Pl acement Pl an and I nspect i on Repor t s

Pr ovi de exampl es of gr out pl acement and i nspect i on r epor t s i n accor dance with ACI 214R, ACI 211. 5R, ACI 311. 4R and ACI MCP SET. Show det ai l s of pr oposed met hods of appl i cat i on, wi t h wr i t t en i nst r uct i ons f r om t he manuf act ur er f or t he use of expansi ve admi xt ur e at l east 4 cal endar days pr i or t o t he st ar t of expansi ve concr et e oper at i ons.

I ncl ude a copy of r ecor ds of i nspect i ons and t est s as wel l as t he r ecor ds of cor r ect i ve act i on t aken. I ncl ude descr i pt i ons of pr epar at i on of cavi t i es f or pl acement of gr out ; pr oper mi xi ng, pl acement , and cur i ng of gr out wi t h met hods of pr event i ng di scol or at i on.

PART 2 PRODUCTS

2. 1 MATERIALS

2. 1. 1 Por t l and Cement

Pr ovi de por t l and cement gr out conf or mi ng t o ASTM C150/ C150M f or Cement , Type I .

2. 1. 2 Aggregates

Submi t sampl es conf or mi ng t o ASTM C33/ C33M f or aggr egat es and t he gr adat i on as di r ect ed.

2. 1. 3 Water

Pr ovi de pot abl e wat er .

2. 1. 4 Expansi ve Admi xt ur es

Use admi xt ur e consi st i ng of an oxi di zabl e met al l i c aggr egat e.

Submi t sampl es t o t he Cont r act i ng Of f i cer pr i or t o commencement of wor k f or r evi ew and accept ance.

2. 1. 5 Expansi ve Gr out

Pr ovi de Type A gr out cont ai ni ng an oxi di zabl e met al l i c aggr egat e and an oxi dat i on- pr omot i ng i ngr edi ent . Conf or m t o t he manuf act ur er ' s pr i nt ed instructions.

PART 3 EXECUTI ON

3. 1 PREPARATION

Pr epar e cavi t i es f or gr out i ng by c l eani ng away f or ei gn mat t er , l ai t ance, Apr i l 2019 Page 2 SECTI ON 03 62 16 di r t , gr ease or oi l . Cl ean al l cont act sur f aces of concr et e and masonr y no l ess t han 24 hour s bef or e gr out appl i cat i on.

3. 1. 1 Mixing

Mi x gr out i ngr edi ent s f or bot h cement i t i ous gr out and epoxy gr out i n accor dance wi t h t he manuf act ur er ' s wr i t t en mi xi ng i nst r uct i ons and recommendations.

Mi x gr out mat er i al s i n pr oper mechani cal mi xer s.

Mi x gr out as c l ose t o wor k ar ea as possi bl e.

3. 2 APPLICATION

3. 2. 1 Pl aci ng Gr out

Pl ace gr out i n accor dance wi t h t he manuf act ur er ' s wr i t t en i nst al l at i on i nst r uct i ons and r ecommendat i ons. Do not use gr out whi ch has begun t o set or i f mor e t han one hour has el apsed af t er i ni t i al mi xi ng.

Fi l l bl i nd cavi t i es by pr essur e i nj ect i on under cont r ol l ed vent i ng. St ar t i nj ect i on and cont i nue wi t h t he vent open unt i l wast e gr out i s expel l ed t hr ough vent wi t h t he same consi st ency, t hen bl ock t he vent f or pr essur i zat i on t o 60 psi . Use l ower pr essur es when damage t o const r uct i on may r esul t .

3. 3 FI ELD QUALI TY CONTROL

Pr ovi de t est i ng and submi t t est r epor t s i n accor dance wi t h ASTM C1107/ C1107M f or t he expansi ve gr out t o meet t he f ol l owi ng per f or mance r equi r ement s:

Expansi on: 28 cal endar days - Per cent maxi mum: 0. 3

- Per cent mi ni mum: 0. 0

Compr essi ve St r engt h: 5, 000 psi

3. 4 PROTECTION

Pr ot ect f r eshl y pl aced gr out f r om pr emat ur e dr yi ng and excessi ve col d or hot t emper at ur es. Compl y wi t h manuf act ur er ' s r equi r ement s f or col d- weat her and hot - weat her pr ot ect i on dur i ng cur i ng.

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