Description

PRE MIXED FREE FLOW, HIGH STRENGTH, NON SHRINK CEMENTITIOUS GROUT DESCRIPTION

COLATA 41 is chloride free OPC 43 Grade and Micro fine cement based free flowing non-metallic, non-shrink grout that develops very early high compressive strength. Its wide acceptance and extensive testing programs indicates it to be a proven and established product of excellent quality. It is used for precision grouting where it is essential to withstand static & dynamic loads.

AREAS OF APPLICATION

  • COLATA 41 has proven itself and found wide application in the following
  • Precision grouting of machinery foundations requiring high strength and vibration
  • Grouting of anchor bolts, sole plates, and bridge bearings. Involving high vibratory conditions, e.g., Turbo
  • Grouting of machinery sugar, paper, rubber and chemical
  • Grouting of structural steel columns, bridge beams and seats, crane way rails, posts, transmission towers, power stations and many
  • Soil
  • Consolidation of strata consisting of alluvium, fine sand & coarse silt where normal cement grouts cannot penetrate.
  • Grouting for subway excavation, river water canals, fine cracks, fissures in rock, RCC structures
  • Strata consolidation during tunnel
  • It is ideally suited for grouting of foundation plates. COLATA 41 is used for grouting of base plates of turbines, compressors and boiler feed pumps, anchoring. Its application is essential to withstand static and dynamic load.

ADVANTAGES

  • Gaseous expansion system ensures better effective contact
  • Develops high early as well as later
  • Free flow characteristics ensure best contact area with load bearing
  • Chloride content –
  • High strength with high durability of
  • Factory Packed material hence no need to do side batching
  • Non-metallic hence stains

USAGE ADVICE

  • Grouting must be carried out with pre packed cement based chloride free non shrink
  • Grout Item shall be mixed with clean water as per w/p ratio.
  • Volumetric expansion should occur by gaseous means when the grout is in plastic

PROPERTIES

COLATA 41 develops extraordinary high compressive Strength, Flexual & Tensile strength.

Compressive Strength (BS 1881 – Part 116:1983)

 

Compressive Strength (MPa)
 

Days

Consistency
Flowable (W/P = 0.12)Pourable ((W/P = 0.10)
13035
36070
77585
2890100

 

Flexural Strength (MPa)
DaysConsistency
Flowable (W/P = 0.12)Pourable ((W/P = 0.10)
13035
36070
77585
2890100

 

Pull Out Bond Strength (MPa) @ (W/P = 0.12)
07 Days20 MPa
28 Days30 MPa
Tensile Strength (MPa) @ (W/P = 0.12)
28 Days5 MPa
Time of Expansion (after mixing)
Start Time20 Minutes
Finish Time120 Minutes
Free Expansion (%)                                                                                                                        – 1.2 %
Fresh Wet Density (Kg/m3)                                                                                                – Approx. 2200
Dynamic Load Resistance – Specimen of the COLATA 41 remains undamaged even after subjecting

them to alternate loads of 5 N/mm2 @ 500 cycles per minutes for two million cycles

 

Flow Characteristics: – COLATA 41 depends upon the gap width and the grout head. Details given

below –

 

Grout Consistency

Flow Distance (mm) Max
Gap Width50 mm head100 mm head250 mm head
 

Flowable

3035010001500
4050015002000
5090020003000+
Parameter tested at 300 C Temperature, Unrestricted flow width – At least 300 mm, Surface in SD

Condition

INSTALLATION ADVANTAGES

COLATA 41 is guaranteed for a constant continually mixture. Pre mixing at the factory under strict quality control that requires no complicated job-site mixing or skill, other than the addition of water. Facilitates easy handling and storage. COLATA 41 is protected in a vapor barrier bag that prevents exposure to the atmospheric elements. Eliminates shrinkage, have flowable consistency, good workability and excellent void filling action (self – leveling) and allows ample time for finishing work. Can be poured, pumped, dry –packed and rammed in COLATA 41 is poured into place has no segregation.

APPLICATION

COLATA 41 is ready for use, requires only simple mixing with water. Prior to grouting below procedures must be taken care of.

SURFACE PREPARATION

Surface must be free from oil, grease or any loose adherent material.

BASE PLATE

 Base plate should be clean from Oil, grease. Air pressure release holes should be provided.

FORMWORK

Formwork should be leak proof.

PRESOAKING

Concrete surface on which grouting to be poured needs to be saturated with fresh water. Immediately before grouting excess water shall be removed with help of air blower, sponge.

TEMPERATURE

If surface temperatures are below 150C, warm water (30 – 400C) need to be used for strength retention. If surface temperatures are above 400C, cool water (200C) need to be used for adequate pouring time  and to prevent  lump formation.

UNRESTRAINED SURFACE AREA

Gap between formwork and plate edge should not exceed 150mm on the pouring side and 50mm on the opposite side. If possible there should no gap at the flank sides.

MIXING AND PLACING MIXING

For Larger quantities – Heavy duty mixer is advised. However for small (up to 50Kg) quantity – slow speed

drill (400 – 500rpm) fitted with paddle would suffice, and for continuous grouting adequate mixing capacity needed. For timely placing of mixture a grout holding tank with nozzle is required.

ConsistencyFlowablePourable
Yield (Ltrs)12.511.50

SHELF LIFE

CLOTA 41 has a shelf life of 6 months if kept in a dry storage place in sealed bags. The shelf life may be reduced if stored in high temperature and high humidity condition

PRODUCT INFORMATION

Although the basic formulation of our products generally remains  unchanged  production  refinements  arising from continuing research and evaluation program may occasionally result in marginal changes in properties.

 

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