CN107043545A - A kind of choke material being used between rock-fill dams concrete face slab expansion joint and its construction method - Google Patents
A kind of choke material being used between rock-fill dams concrete face slab expansion joint and its construction method Download PDFInfo
- Publication number
- CN107043545A CN107043545A CN201710143108.XA CN201710143108A CN107043545A CN 107043545 A CN107043545 A CN 107043545A CN 201710143108 A CN201710143108 A CN 201710143108A CN 107043545 A CN107043545 A CN 107043545A
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- China
- Prior art keywords
- parts
- asphalt
- rock
- expansion joint
- face slab
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L95/00—Compositions of bituminous materials, e.g. asphalt, tar, pitch
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B3/00—Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
- E02B3/16—Sealings or joints
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2237—Oxides; Hydroxides of metals of titanium
- C08K2003/2241—Titanium dioxide
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
Abstract
The present invention relates to water construction technical field of construction, and in particular to a kind of choke material being used between rock-fill dams concrete face slab expansion joint and its construction method, the choke material are counted including following components by weight, 100 parts of asphalt, 50 60 parts of kerosene, 70 80 parts of asbestos mud, 45 50 parts of rubber powder.The choke material, has the advantages that the easy applicable surface of materials is vast, and material tool can uniformly be covered with whole concrete surface in good elasticity, caking property, plasticity；The material has good adhesive force, can meet the construction quality requirement of vertical construction joint.
Description
Technical field
The present invention relates to water construction technical field of construction, and in particular to a kind of to be used between rock-fill dams concrete face slab expansion joint
Choke material and its construction method, are primarily adapted for use in Hydraulic and Hydro-Power Engineering, port and waterway engineering, municipal public engineering etc. to mixed
The concrete slab that the choke material at solidifying soil expansion joint has higher requirements.
Background technology
Concrete slab is a crucial ring for rock-fill dams seepage control system, is also the most important structure of rock-fill dams, its quality
Quality directly influences the service life and operation safety of reservoir, therefore it is required that the choke material at expansion joint has well durable
Property, elasticity and deformability.
Under normal circumstances, the choke material of concrete extension joint has pitch Chinese fir board, asphalt felt, foamed board etc., these
Material makes have deformation space between concrete by splicing, the nail technique such as anchor, but can leave in splicing seam unavoidably
Gap, cement mortar arrives at old concrete by these gaps, makes to form " hard contact " between New-old concrete, influences the flexible of structure.
And the pitch mixing material through formulated, concrete surface can be uniformly distributed in, prevents from being formed between New-old concrete " connecing firmly
Touch ", it is the good choke material in concrete slab expansion joint.
The content of the invention
The invention aims to solve the above problems, there is provided a kind of filling being used between rock-fill dams concrete face slab expansion joint
Material, while there is provided the construction method using the material.
The present invention is the improvement that carries out on the basis of the rubber asphalt commonly used in engineering, by filling multiple material, is changed
The performance of kind rubber asphalt, makes it have more preferable cohesiveness, adhesive force and plasticity, so as to adapt to the construction of vertical expansion joint
It is required that, and retain the original elasticity of rubber asphalt.
In order to reach foregoing invention purpose, the present invention uses following technical scheme：
A kind of choke material being used between rock-fill dams concrete face slab expansion joint, by weight meter include following components, asphalt
100 parts, 50-60 parts of kerosene, 70-80 parts of asbestos mud, 45-50 parts of rubber powder.
As preferred scheme, the asphalt uses the maltha of more than No. 100.
As preferred scheme, meter by weight includes following components：100 parts of asphalt, 50-55 parts of kerosene, stone
Continuous mud 70-76 parts, 45-46 parts of rubber powder, 15-18 parts of wollastonite, 1-3 parts of magnesium stearate, 1-2 parts of aerosil, the Black Warrior
1-3 parts of rock fiber.
A kind of construction method for the choke material being used between rock-fill dams concrete face slab expansion joint, comprises the following steps：
（1）Asphalt is melted and is dehydrated, and temperature is kept to 120~140 DEG C；
（2）Kerosene is slowly injected into 120~140 DEG C of the asphalt crossed through dewater treatment, and is stirred well to all molten
Change；
（3）The temperature of kerosene and asphalt mixed liquor is dropped to 70~80 DEG C, then by preheated dried asbestos putty
Added with rubber powder and other raw materials in mixed liquor, it is stand-by after stirring；
（4）Clear up concrete surface：The concrete surface that first wire brushing has been poured, removes floating dust, the debris such as cement mortar, and by surface
Dust is cleaned out；
（5）Smear adhesive bitument primer：After basal plane has been cleared up, uniform fold smears adhesive bitument primer；
（6）Full black top mixing material：The pitch mixing material prepared is uniformly paved with concrete surface, and while laying pair
Pitch mixing material is pressurizeed, and is allowed to and concrete surface tight bond.
It is used as preferred scheme, the step（6）Moulding pressure is 0.5-1MPa.
As preferred scheme, the raw material of the adhesive bitument primer includes the component of following parts by weight：No. 30 asphalt
25-30 parts, 20-25 parts, No. 100 10-15 parts of asphalt of No. 50 asphalt, 100 parts of solvent, 5-10 parts of epoxy resin, stone
5-6 parts of wax oil, 1-3 parts of trimethylol-propane trimethacrylate, 0.3-0.5 parts of enuatrol, 3-5 parts of attapulgite and dioxy
Change 1-3 parts of titanium.
As preferred scheme, the solvent is gasoline, benzene or gasoline and benzene with 1：The mixed solvent of 3 ratios.
As preferred scheme, the preparation method of the adhesive bitument primer comprises the following steps：A variety of asphalt are mixed
Heating fusing dehydration afterwards, when the asphalt melted is maintained at into 110~120 DEG C, asphalt is injected in solvent, not
Stir with stopping, until asphalt adds completely, be then stirred continuously until it becomes homogeneous mixture, maintains the temperature at 110 DEG C,
Then epoxy resin, paraffin oil and trimethylol-propane trimethacrylate are sequentially added, while adding a small amount of hydroxide
Sodium, addition amount of sodium hydroxide is the 0.1-0.2% of weight of solvent, be stirred continuously it is uniform, be eventually adding enuatrol, attapulgite and
Titanium dioxide, adhesive bitument primer is obtained after stirring.
Compared with prior art, beneficial effect is the present invention：
1st, on choke material, have the advantages that the easy applicable surface of materials is vast, and material tool is in good elasticity, bonding
Property, plasticity, can uniformly be covered with whole concrete surface；The material has good adhesive force, can meet vertical construction joint
Construction quality requirement；Meanwhile, solve the higher processing requirement in the expansion joint between concrete slab, it is ensured that concrete slab
Freely stretch and service life；Compared with the general expanded joint material such as common asphalt plank, asphalt felt, foamed board, the mixing
Choke material is evenly distributed, and does not stay the point of " hard contact ", can more meet the larger face shape of panel, and can guarantee that the long-term of engineering
Use.In addition, the rubber used in the choke material is waste granules, twice laid is more beneficial for energy-conserving and environment-protective；
2nd, simple with technique on construction method, safe operation is easy to grasp, economical rationality, beneficial to environmental protection, construction safety
Reliable advantage.
Embodiment
Explanation is further described to technical scheme below by specific embodiment.
If without specified otherwise, the raw material employed in embodiments of the invention is raw material commonly used in the art, is implemented
Method employed in example, is the conventional method of this area.
Embodiment 1：
A kind of choke material being used between rock-fill dams concrete face slab expansion joint, by weight meter include following components, asphalt
100 parts, 50 parts of kerosene, 80 parts of asbestos mud, 45 parts of rubber powder, wherein, asphalt uses the maltha of more than No. 100.Each group
The parts by weight divided are proportioning, when making, are constructed with every part of 1kg.
Embodiment 2：
A kind of choke material being used between rock-fill dams concrete face slab expansion joint, by weight meter include following components, asphalt
100 parts, 60 parts of kerosene, 70 parts of asbestos mud, 50 parts of rubber powder, wherein, asphalt uses the maltha of more than No. 100.Each group
The parts by weight divided are proportioning, when making, are constructed with every part of 1kg.
Embodiment 3：
A kind of choke material being used between rock-fill dams concrete face slab expansion joint, by weight meter include following components：Asphalt
100 parts, 50 parts of kerosene, 76 parts of asbestos mud, 45 parts of rubber powder, 18 parts of wollastonite, 1 part of magnesium stearate, 2 parts of aerosil,
1 part of basalt fibre.The parts by weight of each component are proportioning, when making, are constructed with every part of 1kg.
Embodiment 4：
A kind of choke material being used between rock-fill dams concrete face slab expansion joint, by weight meter include following components：Asphalt
100 parts, 55 parts of kerosene, 70 parts of asbestos mud, 46 parts of rubber powder, 15 parts of wollastonite, 3 parts of magnesium stearate, 1 part of aerosil,
3 parts of basalt fibre.The parts by weight of each component are proportioning, when making, are constructed with every part of 1kg.
For the choke material raw material of embodiment 1-4 each proportioning, prepared using following methods, specifically, below
Method is a kind of construction method for the choke material being used between rock-fill dams concrete face slab expansion joint, is comprised the following steps：
（1）Asphalt is melted and is dehydrated, and temperature is kept to 120~140 DEG C；
（2）Kerosene is slowly injected into 120~140 DEG C of the asphalt crossed through dewater treatment, and is stirred well to all molten
Change；
（3）The temperature of kerosene and asphalt mixed liquor is dropped to 70~80 DEG C, then by preheated dried asbestos putty
Added with rubber powder and other raw materials in mixed liquor, it is stand-by after stirring；
（4）Clear up concrete surface：The concrete surface that first wire brushing has been poured, removes floating dust, the debris such as cement mortar, and by surface
Dust is cleaned out；
（5）Smear adhesive bitument primer：After basal plane has been cleared up, uniform fold smears adhesive bitument primer；
（6）Full black top mixing material：The pitch mixing material prepared is uniformly paved with concrete surface, and while laying pair
Pitch mixing material is pressurizeed, and is allowed to and concrete surface tight bond.
Embodiment 5：
The raw material of adhesive bitument primer on being used in the above method includes the component of following parts by weight：No. 30 asphalt 25
Part, 25 parts, No. 100 10 parts of asphalt of No. 50 asphalt, 100 parts of solvent, 10 parts of epoxy resin, 5 parts of paraffin oil, three hydroxyl first
1 part of 3 parts of base propane trimethyl acrylic ester, 0.3 part of enuatrol, 5 parts of attapulgite and titanium dioxide.The parts by weight of each component are
Proportioning, when making, is constructed with every part of 1kg.
Embodiment 6：
The raw material of adhesive bitument primer on being used in the above method includes the component of following parts by weight：No. 30 asphalt 30
Part, 20 parts, No. 100 15 parts of asphalt of No. 50 asphalt, 100 parts of solvent, 5 parts of epoxy resin, 6 parts of paraffin oil, three hydroxyl first
3 parts of 1 part of base propane trimethyl acrylic ester, 0.5 part of enuatrol, 3 parts of attapulgite and titanium dioxide.The parts by weight of each component are
Proportioning, when making, is constructed with every part of 1kg.
On the preparation method of embodiment 5-6 adhesive bitument primer, it is specially：
Heating fusing dehydration after a variety of asphalt are mixed, will when the asphalt melted is maintained at into 110~120 DEG C
In asphalt injection solvent, and it is continuously agitated, until asphalt is added completely, is then stirred continuously until it becomes uniform
Mixture, maintains the temperature at 110 DEG C, then by epoxy resin, paraffin oil and trimethylol-propane trimethacrylate successively
Add, while adding a small amount of sodium hydroxide, addition amount of sodium hydroxide is the 0.1-0.2% of weight of solvent, is stirred continuously uniformly, most
Enuatrol, attapulgite and titanium dioxide are added afterwards, and adhesive bitument primer is obtained after stirring.
After the raw material provided using embodiment 1-4 rock-fill dams concrete face slab expansion joint constructing, adhesive force preferably, makes
It can be reached 10 years with the life-span.
The adhesive bitument primer prepared using embodiment 5-6, viscosity is smaller, and storage temperature range is wider, at 5-30 DEG C, can be with
Long-term to preserve, good fluidity, the adhesive bitument primer of preparation can rapidly close basic unit capillary porosity, basic unit is formed waterproof
Power；The basic unit interface handled by the adhesive bitument primer, it is possible to increase the caking property of choke material.
Carried out by using common adhesive bitument primer and the adhesive bitument primer of the present invention after brushing respectively, then using the present invention's
Choke material, is finally tested the adhesive force of choke material, structure is shown, using the adhesive force of the adhesive bitument primer of the present invention
20-30% is improved than the adhesive force using common adhesive bitument primer, adhesive bitument primer of the invention has to adhesive force is obviously improved effect
Really.
This is due to that the present invention uses epoxy resin, paraffin oil and trimethylol-propane trimethacrylate to common cold
Bottom oil carries out formula improvement, can quickly go deep into the space inside concrete, and by adding auxiliary agent attapulgite and titanium dioxide
Titanium improves adhesive bitument primer and the conjugation on concrete surface, meanwhile, the cold primer that the combination with enuatrol, epoxy resin, paraffin oil is
Oil forms entirety on concrete surface, improves overall grasp force, and then forms waterproof layer, and favourable bar is created to bond choke material
Part.
Claims (8)
1. a kind of choke material being used between rock-fill dams concrete face slab expansion joint, it is characterised in that meter includes following by weight
Component, 100 parts of asphalt, 50-60 parts of kerosene, 70-80 parts of asbestos mud, 45-50 parts of rubber powder.
2. a kind of choke material being used between rock-fill dams concrete face slab expansion joint according to claim 1, it is characterised in that institute
State the maltha that asphalt uses more than No. 100.
3. a kind of choke material being used between rock-fill dams concrete face slab expansion joint according to claim 1, it is characterised in that press
Parts by weight meter includes following components：100 parts of asphalt, 50-55 parts of kerosene, 70-76 parts of asbestos mud, 45-46 parts of rubber powder,
15-18 parts of wollastonite, 1-3 parts of magnesium stearate, 1-2 parts of aerosil, 1-3 parts of basalt fibre.
4. a kind of construction method of choke material being used between rock-fill dams concrete face slab expansion joint according to claim 1, its
It is characterised by, comprises the following steps：
（1）Asphalt is melted and is dehydrated, and temperature is kept to 120~140 DEG C；
（2）Kerosene is slowly injected into 120~140 DEG C of the asphalt crossed through dewater treatment, and is stirred well to all molten
Change；
（3）The temperature of kerosene and asphalt mixed liquor is dropped to 70~80 DEG C, then by preheated dried asbestos putty
Added with rubber powder and other raw materials in mixed liquor, it is stand-by after stirring；
（4）Clear up concrete surface：The concrete surface that first wire brushing has been poured, removes floating dust, the debris such as cement mortar, and by surface
Dust is cleaned out；
（5）Smear adhesive bitument primer：After basal plane has been cleared up, uniform fold smears adhesive bitument primer；
（6）Full black top mixing material：The pitch mixing material prepared is uniformly paved with concrete surface, and while laying pair
Pitch mixing material is pressurizeed, and is allowed to and concrete surface tight bond.
5. a kind of construction method of choke material being used between rock-fill dams concrete face slab expansion joint according to claim 4, its
It is characterised by, the step（6）Moulding pressure is 0.5-1MPa.
6. a kind of construction method of choke material being used between rock-fill dams concrete face slab expansion joint according to claim 5, its
It is characterised by, the raw material of the adhesive bitument primer includes the component of following parts by weight：25-30 parts, No. 50 stones of No. 30 asphalt
20-25 parts, No. 100 10-15 parts of asphalt of oil asphalt, 100 parts of solvent, 5-10 parts of epoxy resin, 5-6 parts of paraffin oil, three hydroxyls
1-3 parts of 1-3 parts of trimethacrylate, 0.3-0.5 parts of enuatrol, 3-5 parts of attapulgite and titanium dioxide.
7. a kind of construction method of choke material being used between rock-fill dams concrete face slab expansion joint according to claim 6, its
It is characterised by, the solvent is gasoline, benzene or gasoline and benzene with 1：The mixed solvent of 3 ratios.
8. a kind of construction method of choke material being used between rock-fill dams concrete face slab expansion joint according to claim 6 or 7,
Characterized in that, the preparation method of the adhesive bitument primer comprises the following steps：Heating fusing is de- after a variety of asphalt are mixed
Water, when the asphalt melted is maintained at into 110~120 DEG C, asphalt is injected in solvent, and is continuously agitated, directly
Add, be then stirred continuously until it becomes homogeneous mixture, maintains the temperature at 110 DEG C, then by epoxy completely to asphalt
Resin, paraffin oil and trimethylol-propane trimethacrylate are sequentially added, while adding a small amount of sodium hydroxide, sodium hydroxide
Addition is the 0.1-0.2% of weight of solvent, is stirred continuously uniformly, is eventually adding enuatrol, attapulgite and titanium dioxide, stirs
Adhesive bitument primer is obtained after mixing uniformly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710143108.XA CN107043545B (en) | 2017-03-10 | 2017-03-10 | Choke material and its construction method between a kind of expansion joint for rock-fill dams concrete face slab |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710143108.XA CN107043545B (en) | 2017-03-10 | 2017-03-10 | Choke material and its construction method between a kind of expansion joint for rock-fill dams concrete face slab |
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| Publication Number | Publication Date |
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| CN107043545A true CN107043545A (en) | 2017-08-15 |
| CN107043545B CN107043545B (en) | 2019-05-21 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113980589A (en) * | 2021-11-04 | 2022-01-28 | 金发柱 | Asphalt bast filling belt and preparation method and application thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RO111280B1 (en) * | 1994-02-22 | 1996-08-30 | Galea Iulia Diamanta Ploiesti | Hydro insulating ground color for metallic and concrete, buried pipes and preparation process therefor |
| CN1613947A (en) * | 2004-09-08 | 2005-05-11 | 杨太龙 | Waterproof adhesive and use thereof |
| CN103087540A (en) * | 2013-02-03 | 2013-05-08 | 马千里 | Asphalt mastic |
-
2017
- 2017-03-10 CN CN201710143108.XA patent/CN107043545B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RO111280B1 (en) * | 1994-02-22 | 1996-08-30 | Galea Iulia Diamanta Ploiesti | Hydro insulating ground color for metallic and concrete, buried pipes and preparation process therefor |
| CN1613947A (en) * | 2004-09-08 | 2005-05-11 | 杨太龙 | Waterproof adhesive and use thereof |
| CN103087540A (en) * | 2013-02-03 | 2013-05-08 | 马千里 | Asphalt mastic |
Non-Patent Citations (1)
| Title |
|---|
| 高峰等: "《建筑材料科学基础》", 31 August 2016, 同济大学出版社 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113980589A (en) * | 2021-11-04 | 2022-01-28 | 金发柱 | Asphalt bast filling belt and preparation method and application thereof |
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| Publication number | Publication date |
|---|---|
| CN107043545B (en) | 2019-05-21 |
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