CN109111199A - A kind of microwave heat molten type sulphide mastic, preparation method and applications - Google Patents
A kind of microwave heat molten type sulphide mastic, preparation method and applications Download PDFInfo
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- CN109111199A CN109111199A CN201811146503.4A CN201811146503A CN109111199A CN 109111199 A CN109111199 A CN 109111199A CN 201811146503 A CN201811146503 A CN 201811146503A CN 109111199 A CN109111199 A CN 109111199A
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- Prior art keywords
- parts
- microwave
- heat molten
- molten type
- sulphide mastic
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Classifications
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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
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/36—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing sulfur, sulfides or selenium
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/02—Foundation pits
- E02D17/04—Bordering surfacing or stiffening the sides of foundation pits
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/20—Securing of slopes or inclines
-
- 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
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/50—Mortars, concrete or artificial stone characterised by specific physical values for the mechanical strength
Abstract
A kind of microwave heat molten type sulphide mastic of the invention, preparation method and applications, the microwave heat molten type sulphide mastic includes: 60~70 parts of sulphur, 35~40 parts of corrosion-resistant filling, 5~10 parts of microwave absorption, 5~10 parts of toughener, 3~5 parts of hyper-dispersant, 2~4 parts of mineral admixture according to weight ratio, and density is 2100~2680kg/m after foregoing constituents mixing3.By the match ratio ingredient of above-mentioned each component, microwave heat molten type sulphide mastic of the invention not only tension, freeze proof, rapid hardening, corrosion-resistant and have when applying microwave field, internal temperature is increased, the characteristics of can voluntarily melting.The component made of microwave heat molten type sulphide mastic of the present invention is applied to the outer anchor head of anchor cable.When dismounting, under the action of microwave field, the microwave heat molten type sulphide mastic inside anchorage can voluntarily melt outer anchor head, and anchorage is separated with steel strand wires, so that anchor cable loses tension, reduce the difficulty of Demolition Construction, reduce construction cost.
Description
Technical field
The invention belongs to construction clay field of material technology, and in particular to a kind of microwave heat molten type sulphide mastic,
Preparation method and applications.
Background technique
With the fast development of China's building trade, the underground installations such as subterranean tunnel, underground pedestrian passageway, subterranean commercial area
Construction during, be required to take measures to carry out supporting to the soil body of foundation pit, side slope.Cable bolting is one kind on side
In the structure constructions such as slope, ground deep basal pit, subterranean tunnel through frequently with a kind of support reinforcement mode.However, construction is complete
Cheng Hou, anchor cable length are embedded in underground, not only have some impact on to underground environment, will also cause to the construction of subsequent surrounding building
Obstacle.It is often necessary to cut using special-purpose machinery to anchor cable, the difficulty and expense of processing underground obstacle are substantially increased
With.How to make cable bolting be easy to remove, is a problem urgently to be resolved.In addition, in science of bridge building, multispan bridge by
Long neglected and in disrepair in girder span, girder span crack seriously causes bearing capacity insufficient, if desired removable parts beam section or tears open to bridge
Except when, application of the invention can also be used, first the un-bonded prestressed steel strand for being arranged in inside beam section is removed and recycled,
Not only make the reduction of subsequent construction difficulty, it is also cost-saved.
Summary of the invention
In order to solve the above technical problems, the object of the present invention is to provide a kind of microwave heat molten type sulphide mastic preparation method and
It is applied.When it is applied to cable bolting structure, if desired remove, the microwave heat molten type sulphide mastic inside anchor head is in microwave field
It can be voluntarily molten into liquid under effect, anchorage is separated from each other with steel strand wires, convenient for removing, reduces difficulty of construction.Applied to bridge
In engineering, when the bridge beam section using un-bonded prestressed steel strand construction technology needs to remove or replace, to prestressing force
Steel strand wires one end, which has poured, applies microwave field at the anchor head of microwave heat molten type sulphide mastic, the microwave heat molten type sulphur inside anchor head
Clay, that is, fusible is realized the recycling of steel strand wires, is recycled.Save the cost reduces and removes difficulty.
The present invention provides a kind of microwave heat molten type sulphide mastic, includes following components according to weight ratio: 60~70 parts of sulphur,
35~40 parts of corrosion-resistant filling, 5~10 parts of microwave absorption, 5~10 parts of toughener, 3~5 parts of hyper-dispersant and mineral admixture
2~4 parts, density is 2100~2680kg/m after foregoing constituents mixing3。
In microwave heat molten type sulphide mastic of the invention, the corrosion-resistant filling is silica flour or diabase flour.
In microwave heat molten type sulphide mastic of the invention, the microwave absorption is hydroxy iron powder, nano iron oxide, carbon
One of nanotube fibers, nanometer silicon carbide fiber.In microwave heat molten type sulphide mastic of the invention, the toughener is
Paraffin, polysulfide rubber, polyvinyl chloride, how at least one of.
In microwave heat molten type sulphide mastic of the invention, the hyper-dispersant is acrylate or polyurethane.
In microwave heat molten type sulphide mastic of the invention, the mineral admixture is silicon ash or zeolite powder.
The present invention also provides a kind of preparation methods of above-mentioned microwave heat molten type sulphide mastic, comprising the following steps:
Step 1: weighing by following component match ratio: 60~70 parts of sulphur, 35~40 parts of corrosion-resistant filling, microwave absorption
5~10 parts, 5~10 parts of toughener, 3~5 parts of hyper-dispersant and 2~4 parts of mineral admixture；
Step 2: first pouring into sulphur in iron pan, being heated to 135~150 DEG C of holding 30min makes its melting；
Step 3: other materials being added in the sulphur of melting again and is heated to 170 DEG C or more, is kept stirring in the process
Ensure that each component sufficiently combines the sulphide mastic for obtaining having microwave hot melt effect；
Step 4: last microwave heat molten type sulphide mastic poured at 140 DEG C or so " 8 " font test block should without foaming phenomena,
And its aperture is less than 5 from interrupting from centre, as boils up-to-standard.
Microwave heat molten type sulphide mastic of the invention can be applied to high-rise, super high-rise building deep-foundation pit engineering anchor structure
Pour, be specifically applied to the outer anchor head of anchor cable；It can also be applied to science of bridge building, so that twisting in replacement using prestressing without bondn steel
When the beam section of line construction technology, it is convenient to remove, and steel strand wires are recyclable, recycle.
A kind of microwave heat molten type sulphide mastic of the invention at least has the following beneficial effects:
Formula design of the invention is rationally, at low cost, preparation manipulation is simple.Microwave heat molten type sulphide mastic of the invention is logical
Addition sulphur and microwave absorption component are crossed, when component needs to remove, in the region for having poured microwave heat molten type sulphide mastic
Microwave energy is converted into thermal energy under the action of microwave field by interior application microwave field, the microwave absorption inside clay.Sulphur with
After temperature reaches its fusing point, sulphide mastic can voluntarily be molten into liquid, so that component, convenient for removing, steel strand wires can return
It receives, recycle, save the cost, reduce difficulty of construction, be suitable for promoting.
Specific embodiment
A kind of microwave heat molten type sulphide mastic of the invention, includes following components according to weight ratio: 60~70 parts of sulphur, resistance to
Corrode 35~40 parts of filler, 5~10 parts of microwave absorption, 5~10 parts of toughener, 3~5 parts of hyper-dispersant and mineral admixture 2
~4 parts, density is 2100~2680kg/m after foregoing constituents mixing3。
When it is implemented, the corrosion-resistant filling is silica flour or diabase flour.The microwave absorption be hydroxy iron powder,
One of nano iron oxide, carbon nano-tube fibre, nanometer silicon carbide fiber.The toughener is paraffin, polysulfide rubber, polychlorostyrene
Ethylene, how at least one of.The hyper-dispersant is acrylate or polyurethane.The mineral admixture is silicon ash or zeolite
Powder.
The preparation method of above-mentioned microwave heat molten type sulphide mastic, comprising the following steps:
Step 1: weighing by following component match ratio: 60~70 parts of sulphur, 35~40 parts of corrosion-resistant filling, microwave absorption
5~10 parts, 5~10 parts of toughener, 3~5 parts of hyper-dispersant and 2~4 parts of mineral admixture；
Step 2: first pouring into sulphur in iron pan, being heated to 135~150 DEG C of holding 30min makes its melting；
Step 3: other materials being added in the sulphur of melting again and is heated to 170 DEG C or more, is kept stirring in the process
Ensure that each component sufficiently combines the sulphide mastic for obtaining having microwave hot melt effect；
Step 4: last microwave heat molten type sulphide mastic poured at 140 DEG C or so " 8 " font test block should without foaming phenomena,
And its aperture is less than 5 from interrupting from centre, as boils up-to-standard.
Below with reference to embodiment the present invention will be further explained explanation.
A kind of microwave heat molten type sulphide mastic, includes following component according to weight ratio:
Embodiment 1
60 parts of sulphur, 35 parts of corrosion-resistant filling, 5 parts of microwave absorption, 5 parts of toughener, 3 parts of hyper-dispersant, mineral blend
Expect 2 parts, density is 2100kg/m after foregoing constituents mixing3。
Wherein, corrosion-resistant filling is silica flour.Microwave absorption is carbon nano-tube fibre, and toughener is polyvinyl chloride.It is super
Dispersing agent is acrylate, and mineral admixture is silicon ash.
Embodiment 2
62 parts of sulphur, 36 parts of corrosion-resistant filling, 6 parts of microwave absorption, 6 parts of toughener, 3 parts of hyper-dispersant, mineral blend
Expect 2 parts, density is 2180kg/m after foregoing constituents mixing3。
Wherein, corrosion-resistant filling is silica flour.Microwave absorption is carbon nano-tube fibre, and toughener is polyvinyl chloride.It is super
Dispersing agent is acrylate, and mineral admixture is silicon ash.
Embodiment 3
64 parts of sulphur, 37 parts of corrosion-resistant filling, 7 parts of microwave absorption, 7 parts of toughener, 4 parts of hyper-dispersant, mineral blend
Expect 3 parts, density is 2290kg/m after foregoing constituents mixing3。
Wherein, corrosion-resistant filling is silica flour.Microwave absorption is nanometer silicon carbide fiber, and toughener is polyvinyl chloride.
Hyper-dispersant is acrylate, and mineral admixture is silicon ash.
Embodiment 4
66 parts of sulphur, 38 parts of corrosion-resistant filling, 8 parts of microwave absorption, 8 parts of toughener, 4 parts of hyper-dispersant, mineral blend
Expect 3 parts, density is 2420kg/m after foregoing constituents mixing3。
Wherein, corrosion-resistant filling is diabase flour.Microwave absorption is nano iron oxide, and toughener is polyvinyl chloride.It is super
Dispersing agent is polyurethane, and mineral admixture is zeolite powder.
Embodiment 5
68 parts of sulphur, 39 parts of corrosion-resistant filling, 9 parts of microwave absorption, 9 parts of toughener, 5 parts of hyper-dispersant, mineral blend
Expect 3 parts, density is 2500kg/m after foregoing constituents mixing3。
Wherein, corrosion-resistant filling is diabase flour.Microwave absorption is nano iron oxide, and toughener is polyvinyl chloride.It is super
Dispersing agent is polyurethane, and mineral admixture is zeolite powder.
Embodiment 6
70 parts of sulphur, 40 parts of corrosion-resistant filling, 10 parts of microwave absorption, 10 parts of toughener, 5 parts of hyper-dispersant, mineral are mixed
3 parts of material is closed, density is 2670kg/m after foregoing constituents mixing3。
Wherein, corrosion-resistant filling is diabase flour.Microwave absorption is hydroxy iron powder, and toughener is polyvinyl chloride.Oversubscription
Powder is polyurethane, and mineral admixture is zeolite powder.
A kind of above-mentioned microwave heat molten type sulphide mastic is particularly applicable to high-rise, super high-rise building deep-foundation pit engineering anchoring
Structure pours, and is specifically applied to the outer anchor head of anchor cable；It can also be applied to science of bridge building, so that using prestressing without bondn in replacement
When the beam section of steel strand wires construction technology, it is convenient to remove, and steel strand wires are recyclable, recycle.It will be made from above-described embodiment 1~6
Microwave heat molten type sulphide mastic is tested for the property after test block maintenance 7 days, is shown in Table 1.
Intensity test: manufactured sample specification is 70.7mm × 70.7mm × 70.7mm cuboid sample.
Tensile strength test: it is measured according to cement physical properties detection method GB177-62.
Table 1
Sulphur component is added in microwave heat molten type sulphide mastic of the invention, it is made to have intensity height, resistance to compression, rapid hardening, resist
The features such as infiltration.Meanwhile under microwave field action, microwave absorption absorbs microwave, is thermal energy by microwave energy.Sulphur is with temperature
After degree reaches its fusing point, sulphide mastic can voluntarily be molten into liquid.
The corrosion-resistant quality of sulphide mastic and intensity can be improved in addition corrosion-resistant filling silica flour or diabase flour.
Toughener is added, its embrittlement can be prevented, while enabling to reduce volume shrinkage mass in process of setting, reduction is split
Line generates.
Dispersing agent is added, each material may make to be uniformly distributed in clay, not because its gravity sinks, it is steady to improve sulphide mastic
It is qualitative.
Silicon ash is added, can be improved resistance to compression, anti-folding, impervious, water-retaining property and the work for preventing isolation, bleeding of sulphide mastic
With.
Microwave heat molten type sulphide mastic of the present invention is cast in the anchor ring of anchor head anchorage.It is applied to cable bolting structure
When, it if desired removes, the microwave heat molten type sulphide mastic inside anchor head can voluntarily be molten into liquid, anchorage under microwave field action
It is separated from each other with steel strand wires, convenient for removing, reduces difficulty of construction.Applied in science of bridge building, when using prestressing without bondn steel
When the bridge beam section of twisted wire construction technology needs to remove or replace, microwave heat molten type sulphur has been poured to prestress wire one end
Apply microwave field at the anchor head of sulphur clay, the microwave heat molten type sulphide mastic inside anchor head, that is, fusible realizes returning for steel strand wires
It receives, recycle, save the cost, reduce and remove difficulty.
The foregoing is merely presently preferred embodiments of the present invention, the thought being not intended to limit the invention, all of the invention
Within spirit and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (8)
1. a kind of microwave heat molten type sulphide mastic, which is characterized in that according to weight ratio include following components: 60~70 parts of sulphur,
35~40 parts of corrosion-resistant filling, 5~10 parts of microwave absorption, 5~10 parts of toughener, 3~5 parts of hyper-dispersant and mineral admixture
2~4 parts, density is 2100~2680kg/m after foregoing constituents mixing3。
2. microwave heat molten type sulphide mastic as described in claim 1, which is characterized in that the corrosion-resistant filling be silica flour or
Diabase flour.
3. microwave heat molten type sulphide mastic as described in claim 1, which is characterized in that the microwave absorption is iron carbonyl
One of powder, nano iron oxide, carbon nano-tube fibre, nanometer silicon carbide fiber.
4. microwave heat molten type sulphide mastic as described in claim 1, which is characterized in that the toughener is paraffin, polysulfide rubber
Glue, polyvinyl chloride, how at least one of.
5. microwave heat molten type sulphide mastic as described in claim 1, which is characterized in that the hyper-dispersant be acrylate or
Polyurethane.
6. microwave heat molten type sulphide mastic as described in claim 1, which is characterized in that the mineral admixture is silicon ash or boiling
Mountain flour.
7. a kind of preparation method of microwave heat molten type sulphide mastic described in any one of claims 1-6, which is characterized in that including
Following steps:
Step 1: it weighs by following component match ratio: 60~70 parts of sulphur, 35~40 parts of corrosion-resistant filling, microwave absorption 5~
10 parts, 5~10 parts of toughener, 3~5 parts of hyper-dispersant and 2~4 parts of mineral admixture；
Step 2: first pouring into sulphur in iron pan, being heated to 135~150 DEG C of holding 30min makes its melting；
Step 3: other materials being added in the sulphur of melting again and is heated to 170 DEG C or more, keep stirring ensures in the process
Each component sufficiently combines the sulphide mastic for obtaining having microwave hot melt effect；
Step 4: last microwave heat molten type sulphide mastic poured at 140 DEG C or so " 8 " font test block should without foaming phenomena, and from
Centre, which is interrupted, observes its aperture less than 5, as boils up-to-standard.
8. microwave heat molten type sulphide mastic described in any one of claims 1-6 can be applied to high-rise, super high-rise building deep basal pit
The anchor structure of engineering pours, and is specifically applied to the outer anchor head of anchor cable；It can also be applied to science of bridge building, so that using nothing in replacement
When the beam section of adhesion prestress steel strand construction technology, it is convenient to remove, and steel strand wires are recyclable, recycle.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811146503.4A CN109111199A (en) | 2018-09-29 | 2018-09-29 | A kind of microwave heat molten type sulphide mastic, preparation method and applications |
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| CN201811146503.4A CN109111199A (en) | 2018-09-29 | 2018-09-29 | A kind of microwave heat molten type sulphide mastic, preparation method and applications |
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| CN109111199A true CN109111199A (en) | 2019-01-01 |
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| CN201811146503.4A Withdrawn CN109111199A (en) | 2018-09-29 | 2018-09-29 | A kind of microwave heat molten type sulphide mastic, preparation method and applications |
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101736671A (en) * | 2009-12-07 | 2010-06-16 | 长安大学 | Microwave-absorbing asphalt concrete pavement material composition |
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2018
- 2018-09-29 CN CN201811146503.4A patent/CN109111199A/en not_active Withdrawn
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101736671A (en) * | 2009-12-07 | 2010-06-16 | 长安大学 | Microwave-absorbing asphalt concrete pavement material composition |
Non-Patent Citations (2)
| Title |
|---|
| "硫磺胶泥在锚固地脚螺栓上的应用 ", 《工业建筑》 * |
| 王鉴源: "硫磺类防腐蚀材料使用性能探讨", 《建筑技术》 * |
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Application publication date: 20190101 |