CN110451832A - A kind of phosphorus magnesium anchor adhesive and preparation method thereof - Google Patents
A kind of phosphorus magnesium anchor adhesive and preparation method thereof Download PDFInfo
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- CN110451832A CN110451832A CN201910731786.7A CN201910731786A CN110451832A CN 110451832 A CN110451832 A CN 110451832A CN 201910731786 A CN201910731786 A CN 201910731786A CN 110451832 A CN110451832 A CN 110451832A
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B12/00—Cements not provided for in groups C04B7/00 - C04B11/00
- C04B12/02—Phosphate cements
- C04B12/025—Phosphates of ammonium or of the alkali or alkaline earth metals
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Abstract
The present invention relates to building material technical fields more particularly to a kind of phosphorus magnesium anchor adhesive and preparation method thereof, are made of the raw material components of following parts by weight: 80~120 parts of dead burned magnesias, 80~120 parts of ammonium dihydrogen phosphates and 10~20 parts of water.The preparation method comprises the following steps: S1,80~120 parts of dead burned magnesias and 40~60 parts of ammonium dihydrogen phosphates progress dry mixing being taken to be uniformly mixed so as to obtain siccative mixture；S2, into siccative mixture, 10~20 parts of water of addition are stirred and are uniformly mixed so as to obtain wet feed mixture；S3, into wet feed mixture, 40~60 parts of ammonium dihydrogen phosphates of addition are stirred and are uniformly mixed so as to obtain phosphorus magnesium anchor adhesive.Above-mentioned phosphorus magnesium anchor adhesive have be firmly bonded with metals such as steel, excellent the steel protection property energy, to anchoring or fixed position without particular/special requirement, creep and shrink very low, the acidproof aqueous corrosion of resistance to underground, suitable for concrete structure postposition anchor bolt (reinforcing bar) and anchor pole quick anchoring etc., there is good application prospect in Rapid-Repair, repairing, field of reinforcement.
Description
Technical field
The present invention relates to building material technical fields more particularly to a kind of phosphorus magnesium anchor adhesive and preparation method thereof.
Background technique
With the continuous development of economic construction, road engineering increasingly plays important work as the tie of economic construction
With, and the problem of the major issue that present road engineering construction faces is then anti-collision wall aging.Now many high speeds are public
Road is built up in the 80s and 90s in last century comes into operation about more than 20 years so far, since the highway construction time is more early, because of coagulation
The reasons such as native natural aging and Pavement Improvement cause the crashworthiness of concrete anti-collision wall to decline, and need the anticollision to highway
Wall repairs reinforcing.When repairing reinforcing, bar planting concreting need to be carried out again on the concrete structure of former anti-collision wall,
When to other anchoring pieces such as concrete structure postposition anchor bolt reinforcing bar or bolts, existing anchor adhesive is unable to satisfy anchoring strength and needs
It asks, is also unable to satisfy the time requirement of rapid rush-repair construction.
Summary of the invention
(1) technical problems to be solved
The main object of the present invention is to provide a kind of phosphorus magnesium anchor adhesive, it is intended to solve the intensity of existing anchor adhesive anchoring especially
It is the not high problem of early strength.
(2) technical solution
In order to achieve the above object, phosphorus magnesium anchor adhesive of the invention is made of the raw material components of following parts by weight: 80~120
Part dead burned magnesia, 80~120 parts of ammonium dihydrogen phosphates and 10~20 parts of water.
Preferably, the phosphorus magnesium anchor adhesive is made of the raw material components of following parts by weight: 90~110 parts of dead burned magnesias,
90~110 parts of ammonium dihydrogen phosphates and 12~18 parts of water.
Preferably, the phosphorus magnesium anchor adhesive is made of the raw material components of following parts by weight: 100 parts of dead burned magnesias, 100 parts
Ammonium dihydrogen phosphate and 15 parts of water.
In addition, the present invention also provides a kind of preparation methods of phosphorus magnesium anchor adhesive, wherein the phosphorus magnesium anchor adhesive by weighing as follows
Measure the raw material components composition of part: 80~120 parts of dead burned magnesias, 80~120 parts of ammonium dihydrogen phosphates and 10~20 parts of water；It is described
Preparation method the following steps are included:
S1,80~120 parts of dead burned magnesias and 40~60 parts of ammonium dihydrogen phosphates progress dry mixing are taken to be uniformly mixed so as to obtain siccative mixing
Object；
S2, into siccative mixture, 10~20 parts of water of addition are stirred and are uniformly mixed so as to obtain wet feed mixture；
S3, into wet feed mixture, 40~60 parts of ammonium dihydrogen phosphates of addition are stirred and are uniformly mixed so as to obtain phosphorus magnesium anchor adhesive.
Preferably, in step sl, 80~120 parts of dead burned magnesias and 40~60 parts of ammonium dihydrogen phosphates are put into blender
Middle progress dry mixing mixing.
Preferably, in step sl the dry mixing time be 0.5~1.5min, in step s 2 mixing time be 0.5~
1.5min, mixing time is 2~3min in step s3.
Preferably, the phosphorus magnesium anchor adhesive is made of the raw material components of following parts by weight: 90~110 parts of dead burned magnesias,
90~110 parts of ammonium dihydrogen phosphates and 12~18 parts of water.
In addition, the present invention also provides the preparation methods of another phosphorus magnesium anchor adhesive, wherein the phosphorus magnesium anchor adhesive is by as follows
The raw material components of parts by weight form: 80~120 parts of dead burned magnesias, 80~120 parts of ammonium dihydrogen phosphates and 10~20 parts of water；Institute
State preparation method the following steps are included:
T1,40~60 parts of dead burned magnesias, 40~60 parts of ammonium dihydrogen phosphates and 10~20 parts of water are taken to be stirred and mix
To wet feed mixture；
T2, be added into wet feed mixture 40~60 parts of dead burned magnesias and 40~60 parts of ammonium dihydrogen phosphates be stirred it is mixed
It is even to obtain phosphorus magnesium anchor adhesive.
Preferably, the dry mixing time is 1~2min in step T1, and mixing time is 2~3min in step T2.
Further, the present invention provides the preparation method of another phosphorus magnesium anchor adhesive again, wherein the phosphorus magnesium anchor adhesive
It is made of the raw material components of following parts by weight: 80~120 parts of dead burned magnesias, 80~120 parts of ammonium dihydrogen phosphates and 10~20
Part water；The preparation method comprises the following steps:
W1,80~120 parts of dead burned magnesias, 80~120 parts of ammonium dihydrogen phosphates are taken to be compacted and wrap up after carrying out dry mixing mixing
Packaging film forms branch and fills Anchor Agent；
W2, it the branch after packaging film will be removed fills Anchor Agent, be put into water suction in the container for filling 10~20 parts of water and obtain phosphorus magnesium
Anchor adhesive.
(3) beneficial effect
The beneficial effects of the present invention are: phosphorus magnesium anchor adhesive is made of the raw material components of following parts by weight: 80~120 parts of reheatings
Magnesia, 80~120 parts of ammonium dihydrogen phosphates and 10~20 parts of water, and can very quickly reach very without adding other components
High anchoring strength has good application prospect in Rapid-Repair, repairing, field of reinforcement.The phosphorus magnesium anchor obtained by above-mentioned formula
Solid glue has the advantages that early strength is high, can reach design anchoring strength, later period anchor force and organic A class glue phase in 3~6h
When.Moreover, the steel protection property of the phosphorus magnesium anchor adhesive can be good, the protecting effect for the anchoring piece that reinforcing bar or other needs anchor is better than general
Water flowing mud, Sulfate corrosion resistance is good, and reinforcing bar is prevented to be corroded.In addition, the phosphorus magnesium anchor adhesive also has volume stability good
Characteristic, ungauged regions, without creep are antifatigue, sliding is small, and anchoring interface is closely knit.Furthermore the durability of the phosphorus magnesium anchor adhesive is good, belongs to
In mineral-type materials, anti-aging property is excellent, freeze-thawing resistant.Also, the phosphorus magnesium anchor adhesive can carry out moist hole construction, to construction
Environmental requirement is lower, can greatly improve construction efficiency.In short, above-mentioned phosphorus magnesium anchor adhesive have be firmly bonded with metals such as steel,
Excellent the steel protection property energy, to anchoring or fixed position without particular/special requirement, creep and shrink very low, the acidproof aqueous corrosion of resistance to underground,
Suitable for concrete structure postposition anchor bolt (reinforcing bar) and anchor pole quick anchoring etc..
Detailed description of the invention
Fig. 1 is a kind of flow diagram of the preparation method of phosphorus magnesium anchor adhesive of the invention；
Fig. 2 is the flow diagram of the preparation method of another phosphorus magnesium anchor adhesive of the invention；
Fig. 3 is the flow diagram of the preparation method of another phosphorus magnesium anchor adhesive of the invention.
Specific embodiment
In order to preferably explain the present invention, in order to understand, with reference to the accompanying drawing, by specific embodiment, to this hair
It is bright to be described in detail.
The present invention provides a kind of phosphorus magnesium anchor adhesive, is made of the raw material components of following parts by weight: 80~120 parts of reheating oxidations
Magnesium, 80~120 parts of ammonium dihydrogen phosphates and 10~20 parts of water, wherein weight used in dead burned magnesia and ammonium dihydrogen phosphate
Part is close, and can very quickly reach very high anchoring strength without adding other components, in Rapid-Repair, repairing, reinforcing
Field has good application prospect.The phosphorus magnesium anchor adhesive obtained by above-mentioned formula has the advantages that early strength is high, is in 3~6h
It can reach design anchoring strength, later period anchor force is suitable with organic A class glue.Moreover, the steel protection property of the phosphorus magnesium anchor adhesive can be good, it is right
For the protecting effect for the anchoring piece that reinforcing bar or other needs anchor better than ordinary cement, Sulfate corrosion resistance is good, prevents reinforcing bar quilt
Corrosion.In addition, the characteristic that the phosphorus magnesium anchor adhesive also has volume stability good, ungauged regions, without creep are antifatigue, slide small, anchor
Liquid/solid interface is closely knit.Furthermore the durability of the phosphorus magnesium anchor adhesive is good, belongs to mineral-type materials, and anti-aging property is excellent, freeze-thawing resistant.
Also, the phosphorus magnesium anchor adhesive can carry out moist hole construction, lower to construction environment requirement, can greatly improve construction efficiency.
In short, above-mentioned phosphorus magnesium anchor adhesive have be firmly bonded with metals such as steel, excellent the steel protection property energy, to anchoring or fixed position without spy
Very low, the acidproof aqueous corrosion of resistance to underground is very required, crept and shunk, concrete structure postposition anchor bolt (reinforcing bar) and anchor pole are suitable for
Quick anchoring etc..
Above-mentioned phosphorus magnesium anchor adhesive is a kind of by acid (H+)-alkali (OH-) react and condense the extraordinary cementitious material hardened, tool
There are the spies such as fast solidifying, early strength height, adhesion strength height, volume stability, long-term strength steady growth, sulfate-resistant corrosion
Point has good application prospect in Rapid-Repair, repairing, field of reinforcement.Other than the construction of anti-collision wall maintenance and reinforcement, above-mentioned phosphorus
Magnesium anchor adhesive can be also used for building construction, dilapidated house transformation reinforcing, underground engineering, Tunnel Engineering, mine engineering, water conservancy water
The anchor pole plantation of reinforcement bolt in the engineerings such as electricity, road, bridge, and, the anchoring of steel construction in related reorganization and expansion, reinforcement engineering
Connection；Curtain wall, billboard, tunnel pipeline, overpass soundproof plate, the foundation anchor etc. in equipment installation；Beam, column, wall etc. are mixed
The postposition anchor bolt (reinforcing bar) and anchor pole quick anchoring of Xtah Crude Clay structure；Quick plant anchor under low temperature, negative temperature, being adapted to winter applies
Work；Corrosive environment plant anchor, for example, can be used for the various salt corrosive environment plant anchors such as sulfate, villaumite.
Wherein, in order to further enhance the anchoring strength and properties of phosphorus magnesium anchor adhesive, phosphorus magnesium anchor adhesive can be by such as
The raw material components of lower parts by weight form: 90~110 parts of dead burned magnesias, 90~110 parts of ammonium dihydrogen phosphates and 12~18 parts of water.
In a preferred embodiment, phosphorus magnesium anchor adhesive can also be made of the raw material components of following parts by weight: 100 parts of reheating oxygen
Change magnesium, 100 parts of ammonium dihydrogen phosphates and 15 parts of water, wherein dead burned magnesia is identical with parts by weight used in ammonium dihydrogen phosphate,
For example, carrying out phosphorus magnesium using 100kg (kilogram) dead burned magnesia, 100kg (kilogram) ammonium dihydrogen phosphate and 15kg (kilogram) water
The preparation of anchor adhesive, so that the anchor characteristics of phosphorus magnesium anchor adhesive reach optimum state.
Further, as shown in Figure 1, the present invention also provides a kind of preparation methods of phosphorus magnesium anchor adhesive comprising following step
It is rapid:
S1,80~120 parts of dead burned magnesias and 40~60 parts of ammonium dihydrogen phosphates progress dry mixing are taken to be uniformly mixed so as to obtain siccative mixing
Object；
S2, into siccative mixture, 10~20 parts of water of addition are stirred and are uniformly mixed so as to obtain wet feed mixture；
S3, into wet feed mixture, 40~60 parts of ammonium dihydrogen phosphates of addition are stirred and are uniformly mixed so as to obtain phosphorus magnesium anchor adhesive.
Wherein, the acid-base reaction mechanism for preparing above-mentioned phosphorus magnesium anchor adhesive is:
First stage, the dissolution of phosphate component.After magnesium phosphate cement and water mix, phosphate component soluble easily in water
It dissolves first, releases PO4 3-、H+, form the phosphate aqueous solution of low ph value.
Second stage, the dissolution of magnesia.The rate of dissolution of magnesia is slower than phosphate very much, therefore the dissolution of magnesia
Process is carried out in established low ph value phosphate aqueous solution, and magnesium oxide particle surface is constantly by H+Attack and gradually
Release Mg2+, in aqueous solution with Mg (H2O)6 2+Form exists.
Phase III, the formation of magnesium phosphate cement stone.With H+Constantly consumption, Mg2+A large amount of dissolutions, H2PO4 -、HPO4 2-No
Power-off separates out H+And PO4 3-, system pH rises, Mg (H in solution2O)6 2+、PO4 3-And NH4 +、K+Plasma starts reaction and generates
Hydrated product, the final hydrated product magnesium oxide particle complete with unreacted is mutually cementing, and system condenses rapidly hardening, forms phosphoric acid
Magnesium Behavior of Hardened Cement Paste generates intensity.
When preparing above-mentioned phosphorus magnesium anchor adhesive, key reaction equation are as follows:
MgO+NH4H2PO4+5H2O→MgNH4PO4·6H2O
When carrying out quick anchoring to reinforcing bar, anchor bolt or anchor pole etc. using above-mentioned phosphorus magnesium anchor adhesive, specific anchor mechanism
Are as follows:
(1) phosphorus magnesium anchor adhesive is by itself acid-base reaction, and while forming the process of intensity, volume stability is not shunk,
Stronger bond stress is formed, so that firm cementation is formed by frictional resistance by anchor structure and hole wall with reinforcing bar etc.,
To reach anchorage effect.
(2) phosphate in phosphorus magnesium anchor adhesive is by water-soluble infiltration hole wall, as the dissolution of magnesia reacts with it generation
At this moment magnesium phosphate cement stone crystal forms a mechanical snap interface, to reach anchorage effect.
(3) phosphate in phosphorus magnesium anchor adhesive is reacted with calcium ion generates calcium phosphate crystal, and phosphate radical and iron ion are complexed
Ferric phosphate is formed, chemical stickup effect is formed, to reach anchorage effect.
To sum up, phosphorus magnesium anchor adhesive anchor adhesive passes through frictional resistance, mechanical snap and chemical stickup effect, these aspect phases
It is auxiliary to coordinate, and then reach high-strength anchorage effect.
When wherein, using preferred embodiment, in step sl, by 80~120 parts of dead burned magnesias and 40~60
Dry mixing mixing is carried out in part ammonium dihydrogen phosphate investment blender, and subsequent component is also all put into blender and is stirred
It mixes, to promote stirring efficiency.In addition, the dry mixing time is 0.5~1.5min in step sl, in step in order to guarantee stirring sufficiently
Mixing time is 0.5~1.5min in rapid S2, and mixing time is 2~3min in step s3, can be according to environment in construction
Temperature and humidity etc. determine the specific mixing time in each stage.
For example, Handheld mixer can be used to facilitate construction in specific work progress.Feeding sequence are as follows: first plus
Entering ammonium dihydrogen phosphate and half dead burned magnesia, dry mixing is closed 1 minute and is mixed, regulation water consumption is added, after mix 1 minute is slurried,
After adding the other half dead burned magnesia, then mix 2~3 minutes, use immediately after.Pay special attention to: phosphorus magnesium anchor adhesive adds water
After need to stir certain time and can just be slurried, showing at the beginning more dry and astringent is normal phenomenon, can be slurried after slightly stirring.Such as
The anchor adhesive in bulk of this preparation has certain fluidity, is mainly used for the vertical core of opening upwards or the inclined hole of opening upwards, will
Anchor adhesive slurry quickly pour into or injection hole in, and be rotatably inserted into anchoring piece in time, enable anchoring piece and phosphorus magnesium anchor adhesive
It comes into full contact with and mutually combines closely.Such as required to lateral aperture, the anchor adhesive slurry mixed, in rapid injection hole, in time
Insertion anchoring piece simultaneously takes leak-proof measure in aperture.
It should be noted that in the construction process, forbidding only arbitrarily to increase and using water.If water consumption need to be increased, trial is needed
And index of correlation is examined to meet design requirement.It should, furthermore, be noted that following situations:
1) when winter construction, when material temperature is lower than 5 DEG C, the Ying Yanchang mixing time can be used warm water and mix and stir, and water temperature must not
More than 40 DEG C.
2) construction at high temperature is avoided, temperature, which is higher than 30 DEG C, to construct, if need to construct should take appropriate cooling measure, have ready conditions
Ice water can be used to mix and stir.It should be noted that when hot weather construction and all raw material kept to be in shady and cool state.
3) tools such as anchor hole inner wall application air gun, hairbrush are cleaned out.
4) phosphorus magnesium anchor adhesive can moist hole construction, but cannot have obvious ponding in hole.
5) scene is in use, forbid to mix any additive, outer-penetrating agent in phosphorus magnesium anchor adhesive, and forbid arbitrarily to increase and use
Water.Must not be mixed with the material of other producers, to ensure construction quality.
6) tool is washed with water after use immediately, prevents material solidification.
7) it should be noted when the raw material storage of phosphorus magnesium anchor adhesive moisture-proof.Product should be put in the warehouse of aeration-drying, be guaranteed the quality
Phase 12 months.
In addition, as shown in Fig. 2, the present invention also provides the preparation methods of another phosphorus magnesium anchor adhesive comprising following steps:
T1,40~60 parts of dead burned magnesias, 40~60 parts of ammonium dihydrogen phosphates and 10~20 parts of water are taken to be stirred and mix
To wet feed mixture；
T2, be added into wet feed mixture 40~60 parts of dead burned magnesias and 40~60 parts of ammonium dihydrogen phosphates be stirred it is mixed
It is even to obtain phosphorus magnesium anchor adhesive.
Wherein, can also accelerate that speed, also, In is slurried while guaranteeing anchoring strength using this preparation method
The dry mixing time can be 1~2min in step T1, and mixing time can be 2~3min in step T2, and the specific time can root
It is adjusted according to actual conditions.This preparation method and former preparation method phosphorus magnesium anchor adhesive obtained, in acid-base reaction
Mechanism, key reaction equation, anchor mechanism and points for attention etc. are all the same, and details are not described herein.
In addition, as shown in figure 3, the present invention provides the preparation method of another phosphorus magnesium anchor adhesive again comprising following step
It is rapid:
W1,80~120 parts of dead burned magnesias, 80~120 parts of ammonium dihydrogen phosphates are taken to be compacted and wrap up after carrying out dry mixing mixing
Packaging film forms branch and fills Anchor Agent；
W2, it the branch after packaging film will be removed fills Anchor Agent, be put into water suction in the container for filling 10~20 parts of water and obtain phosphorus magnesium
Anchor adhesive.
Wherein, when preparing phosphorus magnesium anchor adhesive using branch dress Anchor Agent, the water consumption of Dan Zhizhi dress Anchor Agent is fixed, and is used
Matched quantitative amount water container, specifically, prepare one can level levelling place the Flat bottom container of whole branch branch dress Anchor Agent, with matching
The quantitative amount water container of set takes full water, water is then poured into Flat bottom container, then a branch dress Anchor Agent is rolled around uniform suction
Solid carbon dioxide (pays attention to all uniform water absorption within the scope of the whole branch of branch dress Anchor Agent)；Then the anchoring colloid that water suction is completed is put into anchor hole
In, it is rotatably inserted into anchoring piece, if insertion difficulty can be implanted by mechanical external force or tap, upper rubber should be padded tapping position when percussion
Rubber mat.This preparation method and two kinds of front preparation method phosphorus magnesium anchor adhesive obtained, in acid-base reaction mechanism, key reaction
Equation, anchor mechanism and points for attention etc. are all the same, and details are not described herein.
It should be noted that can be had using the phosphorus magnesium anchor adhesive that three kinds of different preparation methods above obtain outstanding
Properties of product, specific performance performance be shown in Table 1 content.
The properties of product of 1 phosphorus magnesium anchor adhesive of table
Wherein, the minimum index reached at the standard conditions in table 1 for product, strength development would generally be higher than table in practice
Index in 1 can form anchoring strength satisfaction in some cases and use needs in 3h (hour).In addition, constraint drawing condition
Lower Ribbed Bar and the adhesion strength of concrete refer to the bonding that cast-in-place concrete after bar planting is carried out using above-mentioned phosphorus magnesium anchor adhesive
Intensity, using different concrete, the adhesion strength of Ribbed Bar and concrete has good intensity.It can know from table 1
Road carries out construction using above-mentioned phosphorus magnesium anchor adhesive, in setting time, early stage and long-term colloid compression strength and with ribbing
Reinforcing bar and the adhesion strength of concrete etc. all have very outstanding performance.
In addition, the phosphorus magnesium anchor adhesive that above-mentioned three kinds of different preparation methods obtain also each has good drawing property, with
For the phosphorus magnesium anchor adhesive prepared by the raw material that 100kg dead burned magnesia, 100kg ammonium dihydrogen phosphate and 15kg water form,
When carrying out bar planting using the phosphorus magnesium anchor adhesive, the case where for different bar diameters, bore diameter and drilling depth, bar planting is carried out
In three hours pulling capacities test afterwards, obtained test result such as the following table 2.
The pulling capacity test case of 2 phosphorus magnesium anchor adhesive of table
| Bar diameter (mm) | Bore diameter (mm) | Drilling depth (mm) | 3h pulling capacity measured value (kN) |
| 10 | 14 | 150 | 51.8 |
| 12 | 16 | 180 | 72.4 |
| 14 | 18 | 210 | 78.3 |
| 16 | 20 | 240 | 130.3 |
| 18 | 22 | 270 | 153.1 |
| 20 | 25 | 300 | 186.8 |
Wherein, test of the above test result based on laboratory, testing concrete substrate intensity used is C30, and reinforcing bar is
IV grade of spiral.By the test result in table 2, it can clearly know that above-mentioned phosphorus magnesium anchor adhesive is drawn with extraordinary early stage
Intensity is pulled out, the steel planting casting concrete on former concrete layer is highly suitable for, to realize that Fast Service Reinforcement is constructed.
Technical solution of the present invention is described in further detail below by specific embodiment, based on to highway
Anti-collision wall repairs strengthening construction, bar planting is carried out using the phosphorus magnesium anchor adhesive of different embodiments, to all realities after the completion of construction
It applies example and carries out properties test.
Embodiment 1:
A kind of phosphorus magnesium anchor adhesive is made of 100kg dead burned magnesia, 100kg ammonium dihydrogen phosphate and 15kg water, specific to make
Preparation Method the following steps are included:
S1, progress dry mixing 1min in 100kg dead burned magnesia and 50kg ammonium dihydrogen phosphate investment blender is taken to be uniformly mixed so as to obtain
Siccative mixture；
S2, it 15kg water is added into siccative mixture is stirred 1min and is uniformly mixed so as to obtain wet feed mixture；
S3, it 50kg ammonium dihydrogen phosphate is added into wet feed mixture is stirred 2~3min and is uniformly mixed so as to obtain phosphorus magnesium anchor adhesive.
Embodiment 2:
A kind of phosphorus magnesium anchor adhesive is made of 100kg dead burned magnesia, 120kg ammonium dihydrogen phosphate and 20kg water, specific to make
Preparation Method is same as Example 1.
Embodiment 3:
A kind of phosphorus magnesium anchor adhesive is made of 100kg dead burned magnesia, 80kg ammonium dihydrogen phosphate and 10kg water, specific to prepare
Method is same as Example 1.
Embodiment 4:
A kind of phosphorus magnesium anchor adhesive is made of 110kg dead burned magnesia, 110kg ammonium dihydrogen phosphate and 12kg water, specific to make
Preparation Method is same as Example 1.
Embodiment 5:
A kind of phosphorus magnesium anchor adhesive is made of 100kg dead burned magnesia, 110kg ammonium dihydrogen phosphate and 18kg water, specific to make
Preparation Method is same as Example 1.
Embodiment 6:
A kind of phosphorus magnesium anchor adhesive is made of 100kg dead burned magnesia, 90kg ammonium dihydrogen phosphate and 14kg water, specific to prepare
Method is same as Example 1.
Comparative example
Existing anchor adhesive includes dead burned magnesia powder 57kg, borax 3kg, naphthalene series high-efficiency water-reducing agent 0.57kg and water, control
The dosage of water processed and the mass ratio (i.e. water-cement ratio) of solid material total amount are 0.27:1；And potassium dihydrogen phosphate 19kg, flyash
The mass ratio of 10kg, borax 3kg, naphthalene series high-efficiency water-reducing agent 0.57kg and water, the dosage for controlling water and solid material total amount is (i.e.
Water-cement ratio) it is 0.18:1.Preparation method includes the following steps: to take a selected amount of dead burned magnesia powder, retarder, water-reducing agent and water
It mixes, takes a selected amount of acid phosphate, reinforcing material, retarder, water-reducing agent and water to mix, two kinds of mixtures are remixed and are stirred
It mixes and is uniformly mixed so as to obtain anchor adhesive.
Based on above-mentioned six embodiments and a comparative example product obtained, distinguish in 3h (hour) and (day) 7d
Intensity test is carried out, in addition, for the bar planting that bar diameter is 10mm, bore diameter 14mm, drilling depth are 150mm
Occasion also carries out pulling capacity test, conclusion such as the following table 3 in 3h respectively.
The intensity test situation of each product of table 3
From table 3 it is observed that using phosphorus magnesium anchor adhesive prepared by preparation method of the present invention, in 3h colloid compression strength
In test, there is extraordinary compression strength, maximum compression strength is even up to 60.2MPa, is adapted to very much rapid rush-repair and applies
Work；And in 7d colloid intensity test, phosphorus magnesium anchor adhesive prepared by preparation method of the present invention has extraordinary resistance to compression
Intensity, maximum compression strength are even up to 81.8MPa.In addition, being 10mm for bar diameter, bore diameter 14mm, boring
Hole depth is the bar planting occasion of 150mm, and phosphorus magnesium anchor adhesive prepared by preparation method of the present invention has extraordinary 3h pulling capacity,
Highest 3h pulling capacity has even arrived 51.8kN.Compared with existing anchor adhesive, the anchoring of phosphorus magnesium prepared by preparation method of the present invention
The advantage of the early anti pressured intension of glue, longtime compressive strength and early stage pulling capacity is all clearly.In short, phosphorus magnesium anchor of the invention
Solid glue have be firmly bonded with metals such as steel, excellent the steel protection property energy, to anchoring or fixed position without particular/special requirement, be suitable for mixed
Xtah Crude Clay structure postposition anchor bolt (reinforcing bar) and anchor pole quick anchoring etc., before Rapid-Repair, repairing, field of reinforcement have application very well
Scape.
It is to be appreciated that describing the skill simply to illustrate that of the invention to what specific embodiments of the present invention carried out above
Art route and feature, its object is to allow those skilled in the art to can understand the content of the present invention and implement it accordingly, but
The present invention is not limited to above-mentioned particular implementations.All various changes made within the scope of the claims are repaired
Decorations, should be covered by the scope of protection of the present invention.
Claims (10)
1. a kind of phosphorus magnesium anchor adhesive, which is characterized in that the phosphorus magnesium anchor adhesive is made of the raw material components of following parts by weight: 80~
120 parts of dead burned magnesias, 80~120 parts of ammonium dihydrogen phosphates and 10~20 parts of water.
2. phosphorus magnesium anchor adhesive as described in claim 1, it is characterised in that: the phosphorus magnesium anchor adhesive by following parts by weight raw material
Group is grouped as: 90~110 parts of dead burned magnesias, 90~110 parts of ammonium dihydrogen phosphates and 12~18 parts of water.
3. phosphorus magnesium anchor adhesive as claimed in claim 2, it is characterised in that: the phosphorus magnesium anchor adhesive by following parts by weight raw material
Group is grouped as: 100 parts of dead burned magnesias, 100 parts of ammonium dihydrogen phosphates and 15 parts of water.
4. a kind of preparation method of phosphorus magnesium anchor adhesive, it is characterised in that: the phosphorus magnesium anchor adhesive by following parts by weight raw material group
It is grouped as: 80~120 parts of dead burned magnesias, 80~120 parts of ammonium dihydrogen phosphates and 10~20 parts of water；The preparation method includes
Following steps:
S1,80~120 parts of dead burned magnesias and 40~60 parts of ammonium dihydrogen phosphates progress dry mixing are taken to be uniformly mixed so as to obtain siccative mixture；
S2, into siccative mixture, 10~20 parts of water of addition are stirred and are uniformly mixed so as to obtain wet feed mixture；
S3, into wet feed mixture, 40~60 parts of ammonium dihydrogen phosphates of addition are stirred and are uniformly mixed so as to obtain phosphorus magnesium anchor adhesive.
5. the preparation method of phosphorus magnesium anchor adhesive as claimed in claim 4, it is characterised in that: in step sl, by 80~120 parts
Dry mixing mixing is carried out in dead burned magnesia and 40~60 parts of ammonium dihydrogen phosphate investment blenders.
6. the preparation method of phosphorus magnesium anchor adhesive as claimed in claim 4, it is characterised in that: the dry mixing time is in step sl
0.5~1.5min, mixing time is 0.5~1.5min in step s 2, and mixing time is 2~3min in step s3.
7. the preparation method of the phosphorus magnesium anchor adhesive as described in any one of claim 4~6, it is characterised in that: the phosphorus magnesium anchor
Solid glue is made of the raw material components of following parts by weight: 90~110 parts of dead burned magnesias, 90~110 parts of ammonium dihydrogen phosphates and 12
~18 parts of water.
8. a kind of preparation method of phosphorus magnesium anchor adhesive, it is characterised in that: the phosphorus magnesium anchor adhesive by following parts by weight raw material group
It is grouped as: 80~120 parts of dead burned magnesias, 80~120 parts of ammonium dihydrogen phosphates and 10~20 parts of water；The preparation method includes
Following steps:
T1, take 40~60 parts of dead burned magnesias, 40~60 parts of ammonium dihydrogen phosphates and 10~20 parts of water be stirred be uniformly mixed so as to obtain it is wet
Expect mixture；
T2, into wet feed mixture, 40~60 parts of dead burned magnesias of addition and 40~60 parts of ammonium dihydrogen phosphates are stirred and mix
To phosphorus magnesium anchor adhesive.
9. the preparation method of phosphorus magnesium anchor adhesive as claimed in claim 8, it is characterised in that: the dry mixing time is 1 in step T1
~2min, mixing time is 2~3min in step T2.
10. a kind of preparation method of phosphorus magnesium anchor adhesive, it is characterised in that: the phosphorus magnesium anchor adhesive by following parts by weight raw material group
It is grouped as: 80~120 parts of dead burned magnesias, 80~120 parts of ammonium dihydrogen phosphates and 10~20 parts of water；The preparation method includes
Following steps:
W1,80~120 parts of dead burned magnesias, 80~120 parts of ammonium dihydrogen phosphates are taken to be compacted after carrying out dry mixing mixing and wrap up packaging
Film forms branch and fills Anchor Agent；
W2, it the branch after packaging film will be removed fills Anchor Agent, be put into water suction in the container for filling 10~20 parts of water and obtain the anchoring of phosphorus magnesium
Glue.
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Application publication date: 20191115 |