CN107602006A - A kind of grouting material for sound barrier backboard - Google Patents
A kind of grouting material for sound barrier backboard Download PDFInfo
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- CN107602006A CN107602006A CN201710751857.0A CN201710751857A CN107602006A CN 107602006 A CN107602006 A CN 107602006A CN 201710751857 A CN201710751857 A CN 201710751857A CN 107602006 A CN107602006 A CN 107602006A
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- grouting material
- sound barrier
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- backboard
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Abstract
The present invention relates to building material technical field, there is provided a kind of grouting material for sound barrier backboard.The grouting material, its raw material fraction meter by weight include：0.61 1.08 parts of 15 25 parts of portland cement, 30 40 parts of flyash, 50 70 parts of building waste, 10 15 parts of water and additive；The grouting material has the advantages that raw material sources are wide, and solid waste utilization rate is high, and cost is low, fast hard, early strong, microdilatancy, bonding force is strong, and heat endurance is good, and binding agent can be used as to carry out engineering equipment bonding or reinforce；The sound barrier backboard offers multiple reinforced holes, is conserved after backboard to design strength, and prestressed reinforcement of tensioning or steel strand wires are carried out to it, reinjects grouting material and deformed bar or steel strand wires and sound barrier backboard be bonded as into an entirety, safety and firmness, and durable.
Description
Technical field
The invention belongs to building material technical field, specifically, is related to a kind of grouting material for sound barrier backboard.
Background technology
Sound barrier backboard uses high-strength light thin-wall member made of inorganic composite materials, its reinforcing prestressing force for one kind
The tensioning intensity of reinforcing bar or steel strand wires is higher, conventional grout material, such as epoxy resin potting compound, epoxy resin grouting material, water-based ring
The materials such as oxygen tree fat grouting material, cement grout material, cement mortar grouting material, it is difficult to meet grouting material needed for sound barrier backboard
High performance requirements, it is embodied in：
1st, epoxy resin potting compound, epoxy resin grouting material
(1) operable time is short：During 20 DEG C of environment temperature, operable time 15-25min；During 40 DEG C of environment temperature, it can grasp
It is only 5-10min as the time；(2) seepage is serious：Glue can along fiber, the silk mouth between screw rod and nut and other one
Cut fine pore and ooze and gush, not only waste perfusion materia, and pollute leg surface, because seepage causes intracavitary glue liquid surface gradual
Lower, influence perfusion and adhesive effect again；(3) price is high, and use cost is high；
2nd, aqueous epoxy resins grouting material
(1) bonding force is low；(2) setting rate is slow；(3) cost performance is low；
3rd, conventional cement grouting material, traditional cement mortar grouting material
(1) bonding force is low；(2) setting rate is slow；It is difficult to mediation operable time and early strength, and early strength increases
Contradiction between long speed and later strength steady-state growth；Quality fluctuation is big；(3) rupture strength is low, and fragility is big, and train is gone at a high speed
When entering to produce blast and vibrations, easy brittle cracking.
Therefore, inventing a kind of high performance grouting material that can solve the problem that above mentioned problem becomes current urgent problem to be solved.
The content of the invention
For deficiency above-mentioned in the prior art, the first object of the present invention is to provide a kind of for sound barrier backboard
Grouting material, the grouting material have that raw material sources are wide, and solid waste utilization rate is high, and cost is low, fast hard, early strong, microdilatancy, bonding force
By force, the advantages that heat endurance is good.
For deficiency above-mentioned in the prior art, the second object of the present invention is a kind of sound barrier backboard, the sound barrier
Backboard is due to being in the milk using grouting material provided by the invention and with excellent rupture strength, impact strength and antifatigue
Load performance, so that safety and firmness, and it is durable.
In order to achieve the above object, the preferable solution that uses of the present invention is：
A kind of grouting material, its raw material fraction meter by weight, including：Portland cement 15-25 parts, flyash 30-40 parts, build
Building refuse 50-70 parts, water 10-15 parts and additive 0.61-1.08 parts.
Further, in preferred embodiments of the present invention, additive fraction meter by weight, including water reducer 0.05-
0.08 part, swelling agent 0.1-0.3 parts, adjustable solidification agent 0.2-0.3 parts, water-loss reducer 0.2-0.3 parts and early strength agent 0.06-0.1 parts.
Further, in preferred embodiments of the present invention, fraction meter, portland cement are 18-22 parts, fine coal by weight
Ash is 32-38 parts, building waste is 55-65 parts, water reducer is 0.06-0.07 parts, swelling agent is 0.15-0.25 parts, adjustable solidification agent
It is that 0.22-0.28 parts, early strength agent 0.07-0.09 parts and water are 12-14 parts for 0.22-0.28 parts, water-loss reducer.
Further, in preferred embodiments of the present invention, water reducer includes lignosulfonates, polycarboxylate diminishing
One kind in agent, casein water reducer, sulfamate water reducer, acrylic resin water reducing agent.
Further, in preferred embodiments of the present invention, swelling agent includes calcium sulphoaluminate class swelling agent or calcium oxide
Swelling agent.
Further, in preferred embodiments of the present invention, adjustable solidification agent include sodium gluconate, citric acid, tartaric acid or
One kind in boric acid.
Further, in preferred embodiments of the present invention, water-loss reducer includes polyacrylamide or hydroxymethylpropyl fiber
One kind in element, methylcellulose or hydroxyethyl cellulose.
Further, in preferred embodiments of the present invention, early strength agent includes calcium chloride, sodium chloride, sodium sulphate, thio sulphur
One kind in sour sodium or triethanolamine.
A kind of sound barrier backboard, offers multiple reinforced holes, is conserved after backboard to design strength, and it is pre- to carry out tensioning to it
Stress reinforcing bar or steel strand wires, reinject grouting material and deformed bar or steel strand wires are bonded as an entirety with sound barrier backboard.
A kind of beneficial effect of grouting material for sound barrier backboard provided by the invention is：
(1) grouting material provided in an embodiment of the present invention, its raw material include portland cement, flyash, building waste, water,
And additive；Additive preferably includes water reducer, swelling agent, adjustable solidification agent, water-loss reducer and early strength agent；
Wherein, portland cement has fast solidifying, and early strength and later strength are high, and frost resistance is good, and the heat of hydration is low,
The advantages that good corrosion resistance, heat-resist, anti-carbonation properties are good, and drying shrinkage is small and wearability is good；Flyash is after coal combustion
Flue gas in the fine ash got off of catching, flyash is the discarded object of power boiler discharge of coal-burning power plant's discharge, and powder is filled in grouting material
Coal ash can save substantial amounts of cement and fine aggregate, reduce water consumption, improve the workability of grouting material mix, strengthen grouting material
Pumpability, reduce creeping for grouting material, reduce the heat of hydration, heat energy dilatancy, improve grouting material impermeability, increase grouting material
Modified；Apply in the grouting material of production respective strengths grade, can either play useless using building waste as regeneration aggregate
Thing recycling acts on；
Water reducer is a kind of under conditions of maintaining the grouting material slump to be basically unchanged, and can reduce mixing water amount.It is preferred that
Ground, in this application, water reducer include lignosulfonates, polycarboxylate dehydragent, casein water reducer, sulfamate and subtracted
One kind in aqua, acrylic resin water reducing agent.Those water reducers have peptizaiton after adding grouting material mixture to cement granules,
Its workability can be improved, reduce unit consumption of water, improve the mobility of grouting material mixture, or reduce unit cement consumption, section
About cement；
After grouting material adds swelling agent, swelling agent can react with the calcium hydroxide in grouting material, generate entringite knot
Brilliant particle, grouting material is produced appropriateness expansion, establish it is certain it is pre- answer pressure, this pressure can substantially offset grouting material and condense
Caused tension in hardening process, reduces the generation in crack, so as to reach antiseepage, effect of anti-cracking；
Adjustable solidification agent can change the time that control thes cement solidifies, and be hardened so as to the condensation of reasonable controlled grouting material；Water-loss reducer
The flowing of concrete can be kept, ensures that it has certain good mobility；The early stage that early strength agent can improve grouting material is strong
Degree, and to grouting material later strength and do not make significant difference；
In this application, grouting material is made, and on the one hand its raw material sources is wide, can realize that building waste is effectively sharp again
With really realizing turns waste into wealth, and solid waste utilization rate is high, significantly reduces production cost；On the other hand cooperate with and match somebody with somebody between each raw material
Closing, grouting material, which is made, can reach grouting material national standard, and with fast hard, early strong, microdilatancy, the characteristics such as bonding force is strong,
And its setting time, expansion rate, hot expansibility can according to different process require carry out flexible modulation；
Portland cement, flyash, building waste, the proportioning of water and additive through obtained by inventor's Creative Design,
The preparation-obtained grouting material of raw material prepared according to the proportioning, its cost is cheap, and setting time can be adjusted flexibly, early strength
Height, good fluidity, bonding strength are good, disclosure satisfy that the high-performance of grouting material needed for the equipment such as sound barrier backboard will
Ask, and its thermodynamic stability is suitable with sound barrier backboard, has excellent matching.
(2) sound barrier backboard provided in an embodiment of the present invention, offers multiple reinforced holes, treats that backboard is conserved to design strength
Afterwards, prestressed reinforcement of tensioning or steel strand wires are carried out to it, reinjects grouting material and carry on the back deformed bar or steel strand wires with sound barrier
Plate is bonded as an entirety.
(3) grouting material provided in an embodiment of the present invention can act on binding agent and be applied, for all in engineering construction
More equipment, such as road, bridge, tunnel, airport, reinforcing bar are planted and bury, the anchor rod anchored of Geotechnical Engineering, column beam joint, movement joint, apply
Work seam, which pours etc., can play excellent bonding or reinforcement effect.
Embodiment
, below will be in the embodiment of the present invention to make the purpose, technical scheme and advantage of the embodiment of the present invention clearer
Technical scheme be clearly and completely described.Unreceipted actual conditions person, builds according to normal condition or manufacturer in embodiment
The condition of view is carried out.Agents useful for same or the unreceipted production firm person of instrument, it is the conventional production that can be obtained by commercially available purchase
Product.
Embodiment 1
Present embodiments providing a kind of raw material of grouting material includes 15 parts of acid salt cement, 30 parts of flyash, building waste 50
Part, 10 parts of water, 0.05 part of lignosulfonates, 0.1 part of calcium sulphoaluminate class swelling agent, 0.2 part of sodium gluconate, polyacrylamide
0.2 part and 0.06 part of calcium chloride；
Routinely preparation method is prepared into grouting material.
Embodiment 2
Present embodiments providing a kind of raw material of grouting material includes 25 parts of acid salt cement, 40 parts of flyash, building waste 70
Part, 15 parts of water, 0.08 part of polycarboxylate dehydragent, 0.3 part of calcium sulphoaluminate class swelling agent, 0.3 part of citric acid, polyacrylamide
0.3 part and 0.1 part of sodium chloride；
Routinely preparation method is prepared into grouting material.
Embodiment 3
Present embodiments providing a kind of raw material of grouting material includes 18 parts of acid salt cement, 32 parts of flyash, building waste 55
Part, 12 parts of water, 0.06 part of casein water reducer, 0.15 part of calcium oxide expansion agents, 0.3 part of tartaric acid, hydroxymethylpropyl fiber
Plain 0.22 part and 0.07 part of sodium sulphate；
Routinely preparation method is prepared into grouting material.
Embodiment 4
Present embodiments providing a kind of raw material of grouting material includes 22 parts of acid salt cement, 38 parts of flyash, building waste 65
Part, 14 parts of water, 0.07 part of sulfamate water reducer, 0.25 part of calcium oxide expansion agents, 0.28 part of boric acid, hydroxymethylpropyl are fine
Dimension plain 0.28 part and 0.09 part of sodium thiosulfate；
Routinely preparation method is prepared into grouting material.
Embodiment 5
Present embodiments providing a kind of raw material of grouting material includes 20 parts of acid salt cement, 35 parts of flyash, building waste 60
Part, 13 parts of water, 0.065 part of acrylic resin water reducing agent, 0.2 part of calcium oxide expansion agents, 0.25 part of sodium gluconate, methylol third
0.08 part of 0.25 part of base cellulose and triethanolamine；
Routinely preparation method is prepared into grouting material.
Comparative example 1
This comparative example, which provides a kind of raw material of grouting material, includes 10 parts of acid salt cement, 50 parts of flyash, building waste 40
Part, 20 parts of water, 0.09 part of lignosulfonates, 0.4 part of calcium sulphoaluminate class swelling agent, 0.1 part of sodium gluconate, polyacrylamide
0.4 part and 0.05 part of calcium chloride；
Routinely preparation method is prepared into grouting material.
Comparative example 2
This comparative example, which provides a kind of raw material of grouting material, includes 30 parts of acid salt cement, 20 parts of flyash, building waste 80
Part, 8 parts of water, 0.04 part of lignosulfonates, 0.05 part of calcium sulphoaluminate class swelling agent, 0.4 part of sodium gluconate, polyacrylamide
0.1 part and 0.15 part of calcium chloride；
Routinely preparation method is prepared into grouting material.
Experimental example 1
The grouting material for taking the embodiment 1-5 and comparative example 1-2 of equivalent to provide, is arranged to experimental group 1-7, according to GB/
T50448-2015《Cement-based grouting material application technology specification》Standard technique index respectively the compression strength to experimental group 1-7,
Expansion rate and fluidity carry out performance test, according to GB/T50081-2002《Standard for test methods of mechanical properties of ordinary concrete》
Experimental group 1-7 grip intensity is tested, test result is as shown in table 1：
The experimental group 1-7 of table 1 performance indications
As known to the data of table 1, grouting material its resistance to compression degree that experimental group 1-7 is provided, expansion rate, fluidity and meet
National standard, and bonding strength is good, the result shows, by the present invention provide between each raw material can coordinated, be made
Grouting material has a fast hard, early strong, microdilatancy, the characteristics such as bonding force is strong.
The grouting material of experimental group 1-5 offers its resistance to compression degree, expansion rate, fluidity and bonding strength are superior to test
Group 6 and 7.Not in the range of the application protects, the result shows the proportioning of 6 and 7 each raw material of experimental group, works as portland cement
15-25 parts, flyash 30-40 parts, building waste 50-70 parts, water 10-15 parts, water reducer 0.05-0.08 parts, swelling agent 0.1-
When 0.3 part, adjustable solidification agent 0.2-0.3 parts, water-loss reducer 0.2-0.3 parts and early strength agent 0.06-0.1 parts, it can be assisted between each raw material
With optimal effect is played, according to the preparation-obtained grouting material of raw material prepared in the ratio range, its cost is cheap, condenses
Time can be adjusted flexibly, early strength height, good fluidity, bonding strength are good, disclosure satisfy that such as sound barrier backboard
The high performance requirements of grouting material needed for equipment.
The grouting material of the offer of experimental group 5 its resistance to compression degree, expansion rate, fluidity and bonding strength are superior to test group
1-4, the result further demonstrate that, in the range of each raw material proportioning that the application provides obtained grouting material its there is setting time
Can be adjusted flexibly, early strength height, good fluidity, good bonding strength the advantages that.
In summary, grouting material provided in an embodiment of the present invention has that cost is cheap, and setting time can be adjusted flexibly, early stage
The advantages that intensity height, good fluidity, bonding strength are good, expansion is small；The grouting material can be set as binding agent for various engineerings
Standby bonding；Sound barrier backboard provided in an embodiment of the present invention is had due to being in the milk using grouting material provided by the invention
Excellent enabling capabilities.
Embodiments described above is part of the embodiment of the present invention, rather than whole embodiments.The reality of the present invention
The detailed description for applying example is not intended to limit the scope of claimed invention, but is merely representative of the selected implementation of the present invention
Example.Based on the embodiment in the present invention, what those of ordinary skill in the art were obtained under the premise of creative work is not made
Every other embodiment, belongs to the scope of protection of the invention.
Claims (9)
- A kind of 1. grouting material for sound barrier backboard, it is characterised in that its raw material fraction meter by weight, including：Silicate cement Mud 15-25 parts, flyash 30-40 parts, building waste 50-70 parts, water 10-15 parts and additive 0.61-1.08 parts.
- 2. the grouting material according to claim 1 for sound barrier backboard, it is characterised in that the additive parts by weights Number meter, including water reducer 0.05-0.08 parts, swelling agent 0.1-0.3 parts, adjustable solidification agent 0.2-0.3 parts, water-loss reducer 0.2-0.3 parts with And early strength agent 0.06-0.1 parts.
- 3. the grouting material according to claim 2 for sound barrier backboard, it is characterised in that fraction meter by weight, it is described Portland cement is 18-22 parts, the flyash is 32-38 parts, the building waste is 55-65 parts, the water reducer is 0.06-0.07 parts, the swelling agent are 0.15-0.25 parts, the adjustable solidification agent is 0.22-0.28 parts, the water-loss reducer is 0.22- 0.28 part, described early strength agent 0.07-0.09 parts and the water are 12-14 parts.
- 4. the grouting material according to claim 2 for sound barrier backboard, it is characterised in that the water reducer includes wooden One kind in plain sulfonate, polycarboxylate dehydragent, casein water reducer, sulfamate water reducer, acrylic resin water reducing agent.
- 5. the grouting material according to claim 2 for sound barrier backboard, it is characterised in that the swelling agent includes sulphur aluminium Sour calcium class swelling agent or calcium oxide expansion agents.
- 6. the grouting material according to claim 2 for sound barrier backboard, it is characterised in that the adjustable solidification agent includes grape One kind in sodium saccharate, citric acid, tartaric acid or boric acid.
- 7. the grouting material according to claim 2 for sound barrier backboard, it is characterised in that the water-loss reducer includes poly- third One kind in acrylamide, hydroxymethyl-propyl cellulose, methylcellulose or hydroxyethyl cellulose.
- 8. the grouting material according to claim 2 for sound barrier backboard, it is characterised in that the early strength agent includes chlorination One kind in calcium, sodium chloride, sodium sulphate, sodium thiosulfate or triethanolamine.
- 9. a kind of sound barrier backboard, it is characterised in that offer multiple reinforced holes, twisted in reinforced hole through deformed bar or steel Line, the grouting material for sound barrier backboard described in the claim 1-8 any one is poured into the reinforced hole.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710751857.0A CN107602006A (en) | 2017-08-28 | 2017-08-28 | A kind of grouting material for sound barrier backboard |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710751857.0A CN107602006A (en) | 2017-08-28 | 2017-08-28 | A kind of grouting material for sound barrier backboard |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111978054A (en) * | 2020-07-24 | 2020-11-24 | 广州大学 | Cement-based grouting material and preparation method thereof |
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| CN102277912A (en) * | 2010-06-10 | 2011-12-14 | 张永清 | Building industrialized ultra-light high-speed floor slab |
| CN104529338A (en) * | 2015-01-12 | 2015-04-22 | 杭州绿怡新型建材有限公司 | Ultrahigh-strength cement-based grouting material |
| CN106830777A (en) * | 2016-12-19 | 2017-06-13 | 深圳广田集团股份有限公司 | Regeneration fill concrete and its application prepared by consumer waste incineration residue |
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2017
- 2017-08-28 CN CN201710751857.0A patent/CN107602006A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101446078A (en) * | 2007-11-28 | 2009-06-03 | 董杨 | Recycled aggregate highway sound insulation protective screen plate and manufacturing and installing method thereof |
| CN102277912A (en) * | 2010-06-10 | 2011-12-14 | 张永清 | Building industrialized ultra-light high-speed floor slab |
| CN104529338A (en) * | 2015-01-12 | 2015-04-22 | 杭州绿怡新型建材有限公司 | Ultrahigh-strength cement-based grouting material |
| CN106830777A (en) * | 2016-12-19 | 2017-06-13 | 深圳广田集团股份有限公司 | Regeneration fill concrete and its application prepared by consumer waste incineration residue |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111978054A (en) * | 2020-07-24 | 2020-11-24 | 广州大学 | Cement-based grouting material and preparation method thereof |
| CN111978054B (en) * | 2020-07-24 | 2022-04-05 | 广州大学 | Cement-based grouting material and preparation method thereof |
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Application publication date: 20180119 |