BETEC® 040

Product Description

BETEC® 040 is a cement based, shrink-compensated grout with high final strength development.

Advantages

• High early- and final strength properties.
• Strength class C55/67 for structural connections, static and dynamic load bearing.
• Extended open times and exceptional rheology for a fast, easy and cost effective application by pumping or pouring.
• Self-compacting and controlled volume expansion.
• Certified according DAfStb guideline for grouts.
• Declaration of performance (DoP) according to EN 1504-6.

Certification

• Certificate of compliance according to DAfStb-guideline. „Production and application of cement-based grouting concrete and mortars“ (edition November 2011).
• Declaration of performance according to EN 1504-6.

Field of Application

All grouting applications where superior applicability, high performance and durable connections are required:

• Assembly of precast structures.
• Grouting of bridge bearings and bridge support structures.
• Grouting foundations of machinery and industrial equipment.
• Wind turbine assembly and foundation grouting.
• Rail anchoring and underfilling in industry and MRT segments.
• Under water grouting applications.

Product Properties

Technical Data/Properties(*)

_{^{(*)Typical values in production control. All tests were executed under a conditioned temperature of 21°C and 65% RH.
(**) The displayed compressive strengths are based on 150 mm cubes according to EN 206-1. The correlation prisms according to EN 196-1 to cubes of 150 mm is 1:1
(***) According to EN 206-1:2001.
(****) Material water, equipment and ambient temperature. Fresh mortar temperature may differ.}} 

Application

1. Preparation of Substrate

• Substrate preparation has to be according EN 1504-10, section 7.
• The substrate has to be free from dirt, grease, laitance, loose concrete, loose particles or layers which could adversely affect adhesion.
• Remove all damaged concrete and prepare substrate by sand or grid blasting, high pressure water jetting, or other methods until base concrete is exposed, offering sufficient roughness (bond) and open pores.
• The substrate must be pre-wetted with clean water until saturated. The substrate should be damp, but without free standing water.
• The substrate must be frost-free and have a cohesion of minimum 1.5 N/mm².

2. Mixing

• The product has to be mixed using a suitable forced action mixer (400-600rpm). The mixing head must be completely immersed in the powder.
• Add 4/5 of the required quantity of water into the mixer and mix for 2 minutes. Add the remaining quantity of water. The water content can be varied to obtain the desired consistency. Never use more than the maximum water quantity. Mix for an additional 2 minutes until a lump-free, homogeneous mixture is obtained.
• The mixing time depends on the type of mixer. 4 minutes is the minimum.
• The mixture must be allowed to rest to release air entrapped during mixing.
• Once the grout is ready mixed, apply immediately. Do not prepare more material than can be used within the open time of the material.
• When the grout starts to set, remix but never add more water.

3. Application

• The material is always poured or pumped from one side or corner in one continuous application. A dense and non-absorbent formwork is necessary. To prevent air entrapment, sufficient ventilation holes must be provided.
• Do not vibrate.
• When grouting large areas, apply the grout by using worm/screw pumps.

4. Curing

• After treatment has to be according EN 13670 in combination with DIN 1045-3.
• In warm or windy conditions protect the applied material from dehydration by mist-spraying with clean water or protective tarpaulins until the initial set has taken place.
• In cold conditions cover with insulated tarpaulin, polystyrene or other insulating material. Protect surfaces against frost and rain until final set has taken place.
• In cold, humid or unventilated areas it can be necessary to allow for a longer curing period, or to introduce forced air movement to avoid condensation. Never use dehumidifiers during the curing period or within 28 days after application.
• Formwork should not be removed for at least 48hours.
• The after-treatment should be at least 5 days.
• The after-treatment should take place as soon as possible, at the latest when the material surface starts to set.
• As an alternative to the conventional treatment methods, suitable curing agents can be used to prevent rapid water loss.

5. Cleaning and maintenance

• Mixing and application equipment should be cleaned immediately with clean water. Hardened material needs to be removed mechanically.

6. Special remarks

• Cementitious materials can lead to incompatibilities under certain conditions in combination with non-ferrous metals (such as aluminium, copper, zinc).
• Low temperatures reduce flow and delay the early strength development. High temperatures accelerate the strength development and decrease the open time of the material.
• Depending on geometry and application thickness, reinforcement steel can be necessary.
  Lateral grouting overhang should be kept as low as possible (approx. 20-50mm).

Health & Safety

BETEC® 040 is a product based on cement and can therefore cause burns to skin and eyes, which should be protected during use. Wear gloves and protective eye shields. Wearing a dust mask is advised. Treat splashes to eyes and skin immediately with clean water. Consult a doctor when irritation continues. If accidentally ingested, drink water and consult a doctor. Users must comply with all risk and safety phrases. MSDS’s can be obtained from GCP Applied Technologies or from our website. GISCODE ZP1.

CE certificate