High-strength non shrinkage grouting material of super high early strength type

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2000吨 m.t./month

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Product Description:

A, grouting material product introduction:

Grouting material with special cement as binder, selected high strength materials as aggregates, with high flow, micro expansion, anti segregation and other material prepared.

The product has good gravity flow, rapid hardening, early strength, no shrinkage, expansive; non-toxic, harmless, non aging, on water quality and no pollution to the surrounding environment, self sealing good, rust and other characteristics. In the construction aspect with reliable quality, reduce the cost, shorten the construction period and convenient advantages. To fundamentally change the equipment base force, so that the whole load uniformly bear device, so as to satisfy all kinds of machinery, electrical equipment (heavy equipment of high precision grinder) installation requirements, is the ideal filling material without pad mounted era.

Two, the scope of application:

Grouting material is mainly used for: the anchor bolt anchor, runway repair, nuclear power equipment, Luqiao fixed reinforcement engineering, machine base, steel structure and foundation with export, equipment foundation grouting, planted two times buried reinforced, concrete structure reinforcement and reconstruction of old concrete structure, crack control, electrical and mechanical equipment installation, track and installation of steel structure, static pressure pile engineering piles, structure of the wall thickening and repair the leakage, all kinds of foundation engineering collapse grouting and various repair engineering etc..

Three, the conventional physical properties of grouting material:
Model No.
Compressive strength(MPa)

Vertical expansion rate

(%)
Fluidity

Grip strength

Round steel.

MPa
The bleeding rate(%)
Remarks
6h
1d
3d
28d
1d

The initial fluidity

30min Fluidity retention value
28d
Universal type
--
≥15
≥30
≥70
≥0.02
≥260
≥230
≥4.0
≤1.0

High strength

--
≥30
≥40
≥70
≥0.02
≥260
≥230
≥4.0
≤1.0

Early strength type

≥20
≥30
≥40
≥60
≥0.02
≥260
≥230
≥4.0
≤1.0
High early type
≥22
≥30
≥40
≥70
≥0.02
≥260
--
≥4.0
≤1.0

Super flow type

--
≥15
≥25
≥50
≥0.025
≥300
≥250
≥3.5
≤1.0
High temperature resistant type
--
≥22
≥40
≥60
≥0.02
≥260
≥230
≥4.0
≤1.0

The engineering design reference: anchor bolts for anchoring cement

380
340
290
270
The maximum set size(mm)
≤4.75
>4.75and≤16
Fluidity(mm)

The initial flow

≥380
≥340
≥290
≥270*
≥650**
30min retention value
≥340
≥310
≥260
≥240*
≥550**

Vertical expansion rate

(%)
3h
0.1~3.5
24h and 3H expansion difference
0.02~0.5
Compressive strength(Mpa)
1d
≥20
2d
≥40
28d
≥60
There is no corrosion of reinforced
NO

Qinshui rate

(%)
0



The engineering design reference

Cement based grouting material choice for anchoring bolt anchor

The spacing of the surface of the bolt and the hole wall(mm)

Cement based grouting material categories
15~50

340、290

50~100
290、270
>100
270

Cement based grouting material selection with two grouting:

Filling layer thickness(mm)

Cement based grouting material categories
5~50
380
20~100
340
80~200
290
>200
270



Four, product characteristics

"Pour 1-3 days after high early strength was as high as 30Mpa, shorten the construction period.

Since the flow field - just add water, stir, direct filling equipment foundation, mortar self construction, free vibration, ensure the grouting construction of long distance without vibration.

Casting body is used for a long time without shrinkage / micro expansion, to ensure that equipment and basic close contact, no shrinkage between the foundation and foundation, and appropriate expansion of the compressive stress to ensure the long-term safe operation of equipment.

* anti oil leakage after 30 days soaking its strength in the oil increased by more than 10%, molding, compacting, impermeability, adapt to the base oil of environmental protection. * durability 2000000 times fatigue test, 50 times freeze-thaw environment test strength has no obvious change.

"Good weather -40 to 600 DEG C is safe for long-term use

* low alkali corrosion resistance of the strict control of raw material of alkali content, suitable for alkali aggregate reaction inhibiting requirements engineering.

Five, the use of methods

1 Foundation Treatment

Cleaning equipment based on the surface, there shall be no stone, laitance, dust, dirt and other debris demoulding agent. Before grouting 24h, fully moisten the surface of equipment foundation. Before grouting 1H, should be sucked up water.

2 determine the grouting method

According to the actual situation of equipment base, selection of grouting method of corresponding flow, because of its good performance, in general, with "weight grouting" can, will paste directly from template export poured into slurry, completely rely on the self weight to leveling and filling the whole filling space; if a large area, especially the complex structure of perfusion or a very small space and distance, can use "high funnel method grouting" or "pressure grouting, grouting method" to ensure that the slurry can be fully filled every corner.

3 formwork

According to the grouting and grouting construction diagram determined by the way of support design templates, template location elevation should be higher than the equipment on the base surface of at least 50mm, template must support of a tight, firm, to prevent loosening, leakage.

The 4 stirring grouting material

According to the water feed products recommended certificate than the amount of water, mixing water should be used to drinking water, the water temperature to 5 ~ 40 degrees is appropriate, can use mechanical or manual stirring. By mechanical mixing, stirring time is generally 1 to 2 minutes. The use of artificial mixing, should first join 2/3 with water and stir for 2 minutes, then add the remaining water to continue to stir until evenly, standard consistency water volume is 12%-14%.

5 grouting

Grouting construction should meet the following requirements:

(1). The slurry should be poured into the side, until the other side overflow until, in order to facilitate the discharge between the device frame and concrete foundation of air, so that the filling, not from the four sides of the grouting.

(2). The grouting after the start, must be continuous, not interrupted, and should be possible to shorten the filling time.

(3). During the grouting process should not be vibrated, when necessary, available bamboo laths were pulling the diversion.

(4). Each filling layer thickness should not exceed 100mm.

(5). The grouting long equipment or track foundation, should use the segmental construction. The length of each section is appropriate in 10m.

(6). The grouting process such as the discovery of surface bleeding phenomenon, can dispenser a small amount of dry material, sucking up water.

(7) for the foundation of equipment grouting layer thickness is greater than 1000mm in large volume, stirring grouting material according to total ratio 1:1 join 0.5mm stones, but the required test for determining the groutability can not meet the requirement.

(8). The equipment foundation grouting is completed, should be removed part shall be treated in the grouting layer before the final setting.

(9). In the grouting construction process should be avoided until the mold, filling layer by vibration and collision, so as not to damage the pending grouting hard layer.

(10) the horizontal distance between the template and the equipment of the base should be controlled at around 100mm, in order to facilitate the grouting construction.

(11) slurry filling in phenomena such as appearance, should be timely treatment.

(12) when the equipment foundation grouting amount is larger, should adopt mechanical agitation mode, in order to ensure grouting construction.

6, maintenance

(1) after grouting is finished. In 30 minutes, immediately spray curing agent or covered with plastic film and affix rockwool were maintenance, or in the grouting layer after the final set immediately sprinkler wet maintenance.

(2) in winter construction, conservation measures shall be in accordance with the "reinforced concrete construction acceptance norms" (GB50204) the relevant provisions.

(3) at different temperature curing time and removal time schedule

Daily minimum temperature (c) time of stripping (H) curing time (d)

         -10 - 0                96                    14

0 -5                             72                    10

5- 15                            48                     7

15                              24                    7


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Q:Cement mortar label M5, M7.5, M10, C20, C25; cement grade C15, C20, C25, C30, etc., are used to which stage of the building
Mortar labels are M. M. M7.. M. M12.. M. M. M. M. M40 several. Mortar according to the use of masonry, plaster, seams several, has nothing to do with the label. It must be said that the blame side of the uncle installed Jiao fat scorpion reckless words, can only be said that the high need to use high mortar strength of the place, and vice versa, really not very good explanation. C. C. C. C30 concrete graded cushion useful mortar is also useful C15 concrete, pile cap and so the best use C30 beam with C25 But this is not to say that this is the same, or depends on the parts you use, Its weight, the required strength and so on
Q:Rural brick and concrete room can do external wall insulation, what materials and practices inexpensive?
External thermal insulation materials are only affordable with rock wool board
Q:Civil building insulation materials, combustion performance grade A What is the material
A non-combustible inorganic insulation mortar glass wool foam glass plate foam ceramic plate aerated concrete plate rock wool board (Article) B1 flame retardant powder polystyrene particles insulation mortar PU phenolic resin board black EPS board B1 level white EPS board B2 combustible B2 grade white EPS board XPS board B3 flammable
Q:Our side of the supervision to be autoclaved aerated concrete block masonry mortar every time into the ton, do mortar raw material testing, ask what is necessary,
Not the necessary, mortar raw materials according to the design requirements of the ratio, and now a lot of local mortar raw materials are not for inspection, but to do with the ratio, mortar test block production should be negotiated with the supervision of the production by inspection, for example, An inspection lot, or two, not on the number of tons, is on the building area to count
Q:Why brick-based project man-made masonry mortar can not modify the market price
Masonry mortar is made of cement, sand, lime, water by a certain percentage of mixed for the masonry works of building materials, the main role is to bond masonry materials The mortar made by mixing the above four materials is called mixed mortar, and the mortar mixed with cement, sand and water is called cement mortar Some city mortar for the commercial mortar, in the factory mix, then there is only one finished product price Pricing software default is no material ratio analysis, you can directly adjust the market price
Q:Does anyone know the purpose and standards of all dry mortar? To mark the mortar (such as DPRMDM) behind the mark use Thank you
Is a dry powder-like building aggregate, binder and additives, according to a certain percentage, prior to the factory accurate, uniform, special mixture of a granular or powder mixture, in the form of bags or bulk sent to Construction site, add water after mixing can be directly used mortar building materials
Q:Why is the waterproof material divided into rigid and flexible? Which is better than that?
Waterproof coating is divided into rigid and flexible, rigid waterproof material is common mortar waterproofing agent, the flexibility is common K11 waterproof paste, JS waterproof coating. What is the difference between the two which is better, there is no absolute answer. Flexible waterproof, generally has a good flexibility, brushing the thickness of 1.2-1.5 mm, good waterproof layer of film-like, can withstand sun and rain, but the intensity is not high enough so it is generally recommended to do a rigid The protective layer. Rigid waterproof, the waterproof layer is generally the hardness and strength is very good, smear the thickness of the ground is about 2 cm, the wall is about 1 cm, good adhesion, waterproof life can be with the building life. The two places are often used not the same, balcony, roof and other places need flexible waterproof + rigid waterproof combination of construction, bathroom, kitchen and other direct use of rigid waterproof on it!
Q:Are those materials in the construction project required to be tested?
As long as you are on the use of materials on the site need to do experiments, such as concrete, sand, stone, cement should be sent to the laboratory to do experiments, the laboratory will be out of concrete mix, if you need to use steel bars, Room to do the experiment, after the completion of the information inside to pay the experimental data, if not the experimental data convulsions Emperor Chi Gao gambling astronomical performance, the Audit Bureau will not recognize.
Q:Cement mortar ground lining non-metallic wear-resistant material is what it means
Used to repair often in the susceptible to wear, erosion, cavitation damage or chemical corrosion environment, equipment parts, metal surface repair, can also produce a variety of pre-wear anti-corrosion coating The use of temperature -50-150 ℃ 【wear-resistant metal repair agent performance characteristics】 ★ construction convenience, reduce downtime; ★ high strength with the metal substrate; ★ excellent single powder pole put mad borer Frost wear and And chemical resistance is more than 2 times the general metal; ★ fully cured after a variety of precision machining; ★ products to solve the emergency maintenance and a large number of equipment wear and corrosion problems, you can root run, run, drip, drain problems The The problem with the plastic just a little easier to worry-free, suitable for emergency repair purposes
Q:When using cement mortar, why is its bearing capacity lower than the same strength grade mixed mortar masonry masonry?
Mixed mortar is generally made of cement, lime paste, sand mix, generally used for the masonry above the ground

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