我廠專業供应十余個品種的特種水泥,包孕︰U型、S型超細水泥、GC灌漿质料、S型瞬凝水泥、BISO無收縮水泥、混凝土快速修補砂漿、L型混凝土快速修補劑等新品種
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GC-灌漿质料

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GC灌漿质料是以優質 酸鹽水泥熟料和多種無機礦物特制而成的火硬性膠凝质料。漿液流動性好、結石強度高、具無收縮性、無毒無害、不具净化、適用于天鐵地道、高速公路、水庫大壩、機場跑道等建築物地基灌漿加固和橋梁支柱底座灌漿,現場澆注灌注樁、機器底腳螺栓予埋孔和混凝土基礎裂隙、孔穴的注漿。這種质料具微膨脹性,也適宜配制無收縮混凝土(或砂漿)等其他用处,是一種平安的灌漿质料。

A、品質指標︰

1.比表面積大于320m2/kg

2.凝結時間

初凝︰不小于30分鐘;終凝︰不大于6小時

3.強度︰1︰25軟練膠砂強度

根据GB177-水泥膠砂強度檢驗要领進止

標號
NO.
抗折強度(Mpa)
Anti-folding strength
抗壓強度(Mpa)
Compression Pressure strength
3d 28d 3d 28d
#25 5.0 7.0 26 52.5
#625 5.5 8.0 31 62.5

4.微膨脹
  本质料所制淨漿試體正在水中養護時,各齡期自在線膨脹率應相符以下要求︰
  3d不小于0.10%
  28d不大于0.50%
  5.流動度
  用GC灌漿质料配制的漿液流動性优越,當水灰比=0.5時,其流動度大于300mm。
  6.耐久性與安全性
  GC灌漿质料適當加水拌和制成的標準試塊致密性極好,具很強的抗滲才能,而其後期膨脹極微,靠近住手,故其長期強度穩定,具較強的抗凍机能,不致蒙受冰、霜凍融破壞而裂損。
本產品不含任何氯化物及其他毒性的有害物質,不會形成净化,具有耐久穩定的耐久性與安全性,其抗滲對比試驗,見下表︰

對試驗质料
Contrast test material
28d抗滲性試驗(Mpa)
28d impermeability test(Mpa)
 酸鹽水泥
Silicate cement
0.90
GC灌漿质料
GC Grouting material
2.00

B.运用注重事項
  1.用GC灌漿质料灌漿時可用調節漿液稠度。配漿時(或摻用一定量的細砂)先置于帶有攪拌裝置的拌和機內加水攪拌,達到預定稠定便可运用,但必須注重,差别施工條件須應用差别稠度的漿液,其用水量參考以下︰野生傾注︰水灰比正在0.35-0.40之間
  泵送灌漿︰水灰比正在0.30-0.35之間
  2.GC灌漿质料配制無收縮混凝土(或砂漿)的配比設計,可參照一般混凝土配比計算要领。
  3.澆注無收縮混凝土(或砂漿)之前,須將原有混凝土建築物表層先行鑿毛,然後再用高壓空氣壓縮機或别的要领,將混凝土施工里層的碎石、碎屑、塵埃和别的雜物徹底消灭干淨。
  4.施工前︰須先將鑿毛之混凝土外面充裕澆水淋濕︰然後將过剩的水份擦干後再行澆注。同時,須用混凝土震蕩器振搗密實,並且盡量排隊灌漿內空氣氣泡。
  5.為进步漿液的流動性,可摻用適量的SN-II高效減水劑,先將SN-II高效減水劑按要求比例到场拌和水中充裕消融後再與灌漿质料拌和运用。
  6.施工現場,應經常檢查漿液的稠度,嚴格掌握用水量和外加劑摻量。
  7.澆制完畢後,須用吸水性好的草包,麻袋之類澆水覆蓋養護,並經常淋水,连结濕度,三天以上方可运用。
  8.GC灌漿质料須寄存正在枯燥,通風优越的中央,謹防受潮結塊;本產品有效期為三個月,过期运用必須从新檢驗後方可运用。

GC grouting material made of qualified silicate cement and inorganic mineral matter is a water hardness gelatinzing material,with good grouting flowability,high stone strength,no contract feature,especially no toxic and harmless,no corrosion.It is used for metro tunnel,super-highway,reservoir dam and airport running road,etc.architecture foundation grouting reinforcement and bridge column bottom stand grouting.Casting in site grouting piles,burying holes for machinery screw anchor bolts and concrete foundation cracks,holes grouting.This material has a little expansion,also suitable for non-contract concrete(or mortar),etc.and other uses,it is a safe grouting material without erosion.

A. Specifications of product
1. Specific surface Area
It is more than 320cm2/g
2. Condensing time:primary condensing:not less than30 minutes;final condensing:not more than 6 hours
3. Strength:1:25 soft rubber sand strength
Test as per GB177-Cement rubber sand strength testing method.
4. Light expansion
The net mortar sample made of this material is under water for protection,each period free line expansion rate is confirmed with the following requirements:
3d not less than 0.10%
28d not more than 0.50%
5. Flowability
The grouting made of GC grouting material has good flowability.When water and dust rate=0.5,its flowability s more than 300mm
6. Durability and safety
GC grouting material added certain water to make standard samples is very strong with excellent compactness very good anti-permeability and anti frozen feature,and will not be damaged by frozen and frost.
This product does not include any chloride and other toxic and harmless matter,it will not cause pollution,with stable durability and safety,its impermebility contrast test sees the following table:
B. attention Item for Use
1. When using GC Grouting material,the water can be used to adjust its density.Preparing mortar(or a certain amount of fine sand can be used)first put into the mixer to mix it with water,reaching a certain density,it can be used.But something should be noticed that different construction conditions should use different density grouting;using water can see the following for referencde:Manpower pouring:water and dust proportion:Between 0.30-0.35
2. GC Grouting material should be prepared with non-contract concrete(or mortar),the calculation of it according to the common concrete.
3. Before casting non-contract concrete(or mortar),the surface of concrete should be dug to be rough,then the high pressure air compressor or other method will be used to remove the dust and stones thoroughly.
4. Before construction,the surface should be watered,then clean the remained water,finally cast it,At the same tiime,the concrete vibrator should be used for vibation,bubbled should be removed in the grouting.
5. In order to raise the grouting flowability,certain SN-2 high effective reducing water gent can be added,at first,SN-2 high effective reducing water agent is put into the water as per proportion,through mixing and dissolving,then mixed with grouting.
6. Construction site:The grouting deseness should be often checked,at the same time water and agent should be strictly controlled,especially water can not be too much.
7. After casing concrete,straw bags and gunny bags which are good at absorbing water must be use after watering and soaing,covering for protection at once,often watering to keep moisture,over 7 duys[rptectopm,it can be used.
8. GC grouting material is well packed,but is must be kept in dry and ventilation places to prevent moisture and stone;it can be stored for 3 months,if overtime,it should be inspected again,then it can be used.

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用于高速公路快速建補
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