High-strength non shrinkage grouting material of high temperature resistant 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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I personally understand that the insulation slurry is not yet added insulation particles of the insulation mortar. Mixing insulation mortar is the first insulation of the auxiliary chen Dian Gu Yu the temple double East crystal mortar of the cement material, which is the kind of look with the cement almost powder in the mixer inside the mix evenly, and then add the foam particles into.
Q:External wall insulation with anti - cracking mortar but also with waterproof mortar
The use of the two materials is similar, but not used in a position, different products used in different locations, rather than 2 election 1.--------- on the external wall insulation, the national standard requirements and construction Norms do not mention the term water mortar, it is clear that the waterproof mortar is designed to do waterproof with, can not do with insulation. In addition, although the anti-cracking mortar with a certain degree of waterproof capacity can not be used as a waterproof mortar, the same, although the waterproof mortar waterproof, but do not have the external wall ridicule rafts Wo Bogao boudoir sound card requirements of other indicators.
Q:Civil building insulation materials, combustion performance grade A What is the material
A grade is no material, there are rock wool, slag cotton, composite silicate insulation materials, ordinary aluminum silicate cotton, glass wool board, from the seizure of light gnawing chi chi found looking for silvery cotton wool, foam asbestos sheet, Magnesium silicate board, inorganic wall insulation mortar, and so on.
Q:What is EVB insulation mortar? Heard a lot of counterfeit, in Guangxi, where can buy genuine,
With the light, heat, fire, high and low temperature resistance, anti-aging, low water absorption and other characteristics, can replace many traditional light orthopedic applications in different products Is a kind of environment-friendly high-performance new inorganic lightweight insulation materials Can be widely used in industry, agriculture, chemicals, metallurgy, building materials, medicine, light industry and many other areas EVB thermal insulation fire mortar is EVB particles as inorganic thermal insulation fire mortar lightweight aggregate, it is pre-mixed with high-quality cement in the polymer modifier, the formation of one-component thermal insulation fire dry powder mortar ; Products with excellent thermal insulation function, anti-aging weather resistance and fire function, no hollowing cracking, high strength, bonding, anti-sagging performance, pest control ants; construction convenience, on-site construction can be used to stir , Can be directly built in the wall inside and outside the wall In Guangxi Qinglong can buy genuine, "EVB" is a registered trademark of Guangxi Qinglong company, to buy Guangxi EVB insulation mortar to look after the dragon trademark
Q:1: 8 cement ceramic particles to find how to set the amount of slope set
Roof 1: 8 cement ceramsite to find slope layer: It is recommended to use energy-saving quota in the cement perlite roof insulation quota, and then the inside of the perlite into ceramic bar. The gray mortar is used as the leveling layer of cement mortar, and then the material is replaced with lime mortar. According to the design should have cement, ceramic ratio, I think we should prepare a supplementary quota. To discuss a thermal rating, and then adjust the material prices. With C10 ceramsite concrete should be able to, a cubic ceramic, plus 260KG cement, plus 0.34 sand rate, you can.
Q:Need to do moisture treatment of the basement brick wall, masonry should choose what materials
Need to do moisture treatment of the basement brick wall, masonry should use cement mortar. In the ground below the wall masonry mortar must use cement mortar, because the cement mortar is a hydraulic material, you can masonry the location of moisture. And mixed mortar can not be used in the ground below, because it belongs to the gas hard material, with moisture, it will lose strength. Specific reference to the "masonry structure design specifications" only ± 0.000 below the provisions should be used cement mortar masonry. In addition, the strength of the sintered brick masonry has a note that the strength of the cement mortar masonry should be reduced. Masonry mortar using the type and strength level is specified in the design drawings.
Q:According to the different parts of the building, how to choose mortar mortar?
the surface layer in order to obtain a smooth, smooth surface effect Material selection layer of plaster surface role and requirements are different, each layer of the choice of mortar is not the same At the same time, the characteristics of the base material and engineering parts of different mortar technical performance requirements are different, which is the main basis for the choice of mortar type Cement mortar is suitable for wet or strong requirements of the higher parts; mixed mortar used for indoor bottom or middle or surface plaster; lime mortar, knife knife gray, paper ash used for indoor middle or surface plastering Mixed concrete mortar for concrete base For the wood substrate and the surface layer, multi-purpose fiber material to increase its tensile strength to prevent cracking View original post & gt; & gt;
Q:Who knows the inorganic insulation mortar and the previous material What is the difference?
Good durability, good weatherability good hydrophobicity, strong vapor permeability high refractory grade, non-combustible good adaptability, easy construction, Speed, a comprehensive technology, practice diversity green, non-polluting, non-radiation ecological building materials Disadvantages: the current implementation of the standard is GB-2006 "building insulation mortar", this standard is the material standard, there is no specific system standards.

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