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L型混凝土快速修补

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L型混凝土快速修补剂由多种无机化合物和高效加水剂经恰当婚配精制而成。该修补剂到场混凝土中,能够进步混凝土的晚期强度和前期强度,也进步了混凝土的抗掺性耐久性。L型混凝土快速修补剂,适用于路面,桥面砼的快速修补,也适用于其他砼的快速修补。
一、主要性能:
  1.细度:0.08mm方孔筛筛余≤8.0%
  2.强度(按525R一般水泥重量14%掺入量时砼强度)

机能
Properties
0±2℃
抗压强度Mpa
Compression Pressure Strength Mpa
一天1day 25.0
二天2day 32.0
三天3day 41.0
抗合强度Mpa
Anti-folding strength Mpa
一天1day 3.0
二天2day 4.5
三天3day 6.0

3.线膨胀率

1d≥0.10%

28d≤0.50%

二、使用方法和注意事项

1、.本砼快速修补剂到场水泥中混淆运用,修补剂按水泥重量的13-15%掺入为好,混凝土合营比可参照以下:

水泥:砂:石: 火: L型修补剂

1.0 1.2 2.8 0.32  0.16

2、正在停止砼修补前,先将破坏的混凝土消灭清洁,外面无尘土或其他污染物,呈粗拙里,正在被修补砼四周最少凿去20mm,防备边沿留有已破坏砼,包管新老砼界面的粘结强度。

3、先用净水潮湿修补处,把尘土、泥浆去除,使修补处呈滔滔无积水状,于停止砼浇捣。

4、可用野生或机器搅拌,把拌好的砼倒入修补处,用机器振捣密实抹仄。

5、施工终了后,用干草包或麻袋掩盖养护一天。

6、本修补剂已含有高效加水剂,正在砼拌和时,不需再加加水剂。

L type conctete fast repair agent consists of several kinds of inorganic compounds and high efficient water reducing agent.When the repair agent is added into the concrete,the strength of early and later periods of concrete can be improved,also the antiseep and durability of concrete can be raised.It can be used for fast repair of road surface and bridge surface concrete,and other concrete fast repair.
Main Properties of L Type Concrete Fast Repair Agent
1. Fineness:0.08mm square mesh sieve≤8.0%
2. StrengthLThe concrete strenth is according to 525#common cement weight 14% added)
3. Line Expansion Rate:
a day&0.10%
28day<0.50%

II.Method of Use and Attention Items
The concrete ration can see the following cement 1.0,sand 1.2 stone:2.8,water:0.32.
L type repair agent:0.16
2.Before repairing,the damaged concrete should be cleaned,the surface with out dust and other things,is rough,at least 20mm repairing surface should be dig out in order to avoid edge damaged concrete and ensure the adhesive strength between old and new surfaces.
3.At first,watering the repairing part by clean water,and removing the dust and slurry,and make the repairing surface wet without any water,then cast concrete.
4. Mixing work can be done by manpower or mixer,the mixed concrete should be poured into the repairing part,then leveling and ramming by vibrating machine.
5. After constructin,the wet straw bags or gunny bags should be covered on it for a day.
6. This repairing agent includes high effective reducing water agent,when mixing,It is unnecessary to add it again.


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