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

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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:Is the polymer cracked mortar and polymer bonded mortar the same?
5 Pu silicon cement, high-quality quartz sand, add imported polymer cement with a variety of additives, the double-axis mixture without gravity particles are mixed with powder building materials Polymer bonded mortar is a high molecular polymer cement based prefabricated dry mix Has excellent adhesion, good enhanced anti-droop, water retention, water resistance, aging resistance and operability Construction is simple, non-toxic pollution For the inside, the external walls and ceiling insulation board paste; can also be used for paste tiles, gypsum board and so on
Q:How to install squatting pan? Need to pay attention to what matters?
Patented safety squatting pan installation height with a trap within 250MM.
Q:The external walls of the mortar in the insulation mortar need to do what anti-test materials? Can you provide detailed check-in format, please send to my mailbox 467393187@qq.com
. tensile bond strength (with cement mortar) children powder Jujiao mad fried fur . tensile bond strength (with insulation material) . invasive water tensile bond strength (with cement mortar) . (With insulation material) . press the ratio of . after freezing and thawing tensile bond strength . the operating time
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: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:What is the difference between cement, plaster and concrete and what are their characteristics? did not.
First of all you want to know what is concrete? (Concrete, referred to as "concrete" (refers to the rods of the red bar to pay a thick poem rape stream tóng) ": refers to the cement material will aggregate into the overall composition of the composite material collectively refers to the term" concrete " With cement as a cementitious material, sand, stone for the aggregate; and water (with or without admixtures and admixtures) by this definition can know that the mortar is a kind of concrete. But the name is different. It is necessary to have water to participate in the process of hardening. It is a chemical reaction. The final product is hydrated calcium silicate lime is a kind of gas hardening material. In the process of hardening to have air to participate in. The composition is mainly carbon dioxide, and it is also a chemical change, and the final product is calcium carbonate.
Q:I would like to use waterproof coating and mortar waterproof together to do bathroom waterproof can you? What kind of material with what?
Answer: certainly can be built in the building waterproof is to promote the combination of rigid waterproof and flexible waterproof way to do waterproof construction, the general combination of rigid and flexible way to do waterproof, and more in key projects, roof waterproof, with special requirements of waterproof engineering. If the use of flexible waterproof coating to do the bottom, the flexible features of the tensile effect is also good waterproof, mortar waterproof waterproof surface to do, both play a waterproof and protection to serve two purposes. Recommendation: If the price is not the first element you consider, this approach is very reasonable. In favor of your practice. If you want to consider the price is only one kind of just fine, so as not to cause unnecessary waste. Note: good waterproof material, but also need careful construction, "construction process" is the key to the late conservation, protection to do bedding, in order to effectively do a good job waterproofing. Materials, the best choice . cement-based flexible waterproof coating . mortar waterproof non-toxic environmentally friendly waterproof mortar can be.
Q:Waterproof coating type Ⅰ and Ⅱ What is the difference between ah?
A lot of waterproof materials, including coatings and coils, are divided into type I and type II or even type III, mainly physical properties of the distinction between the distinction that some of the mechanical properties of the level, and some only show the performance difference, for different Waterproof selection of parts. Such as "JS" waterproof coating type Ⅰ strength and elongation were 1.2MPa / 200%, Ⅱ type were 1.8MPa / 80%, one is low strength and high extension, the other is high strength and low extension, suitable for different waterproof parts The Another example is the infiltration of crystalline waterproof material Ⅰ and Ⅱ type that impermeability level, Ⅱ type impermeability better. Also used in class I and class II, this distinction is mainly to indicate the material morphology or material composition of the different, such as polymer cement waterproof mortar Class I and II said emulsion type and dry powder type. What is the specific performance of the waterproof coating may look at the corresponding waterproof material standards, such as polyurethane waterproof coating is GBT "polyurethane waterproof coating"
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:The proportion of cement, gravel, and sand in the concrete back to the concrete
The standard answer should be: melon stone: fine sand: cement = 3: 2: 1

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