CN108726962B - Quick-setting inorganic bar-planting adhesive and grouting construction equipment - Google Patents
Quick-setting inorganic bar-planting adhesive and grouting construction equipment Download PDFInfo
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- CN108726962B CN108726962B CN201810754425.XA CN201810754425A CN108726962B CN 108726962 B CN108726962 B CN 108726962B CN 201810754425 A CN201810754425 A CN 201810754425A CN 108726962 B CN108726962 B CN 108726962B
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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
- C04B28/02—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 hydraulic cements other than calcium sulfates
- C04B28/06—Aluminous cements
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G23/00—Working measures on existing buildings
- E04G23/02—Repairing, e.g. filling cracks; Restoring; Altering; Enlarging
- E04G23/0203—Arrangements for filling cracks or cavities in building constructions
- E04G23/0211—Arrangements for filling cracks or cavities in building constructions using injection
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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
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/70—Grouts, e.g. injection mixtures for cables for prestressed concrete
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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
- 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
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- Curing Cements, Concrete, And Artificial Stone (AREA)
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Abstract
The invention discloses a quick-setting inorganic bar-planting adhesive and grouting construction equipment, wherein the quick-setting inorganic bar-planting adhesive comprises the following raw materials: cement, high-activity admixture, aggregate, steel wool, latex powder, water reducing agent, defoaming agent, retarder, early strength agent and thickener. Inorganic bar planting of rapid hardening type glue slip casting construction equipment, include: fuselage, storage glue are irritated, slip casting mouth, helical blade, transmission shaft, sealing washer, motor and switch, the fuselage front end be connected with the slip casting mouth, the fuselage upside is provided with the storage glue and irritates, is provided with the transmission shaft in the fuselage, the transmission shaft on set up helical blade, the fuselage rear end is connected with the motor, still is provided with the sealing washer between fuselage and the motor, one side of motor is provided with switch. The quick-setting inorganic bar-planting adhesive has the advantages of high early strength, high bonding strength, good ductility, strong fatigue resistance and durability, and grouting construction equipment simplifies the construction process and improves the construction effect.
Description
Technical Field
The invention relates to the technical field of building materials, in particular to a quick-setting inorganic bar planting adhesive and grouting construction equipment.
Background
In recent years, the construction industry in China is rapidly developed, and the reconstruction are gradually carried forward from large-scale reconstruction in the initial stage of the construction, so that the reconstruction, the maintenance and the reinforcement of the existing buildings or structures become hot spots of the construction industry. The steel bar planting anchoring technology enables newly added steel bars and original components to work together by using bonding anchoring materials, effectively solves the problems, and is low in price and simple in construction operation, so that the steel bar planting anchoring technology is most widely applied.
The bar-planting glue is widely applied to reinforcement of building structures, and is generally divided into inorganic bar-planting glue and organic bar-planting glue. The organic bar-planting glue is a building structure bonding and reinforcing material consisting of synthetic resin, filling materials and chemical additives. The organic bar-planting glue has the obvious advantages of high early strength, mature development and the like, but the organic bar-planting glue also has the defects that the organic bar-planting glue is difficult to overcome, such as: (1) the difference of the elasticity modulus of the concrete is too large, the humidity and heat resistance is poor, the concrete is easy to age and has high toxicity and price; (2) the construction conditions are strict and the construction cannot be carried out at too low or too high temperature. Is not easy to be cured at low temperature; the material is easy to be changed at high temperature, the process of planting before welding is difficult to realize on a construction site, the construction difficulty is increased, and the like. (3) The range of the use temperature is narrow, and the construction and the use at the low or high temperature cannot be realized. If used at low temperature (0 ℃ C. or lower), it is easily embrittled; if the rubber composition is used at a high temperature (100 ℃ or above) for a long time, the rubber composition is easily denatured, and the mechanical properties of the rubber composition are reduced. Most of inorganic bar-planting adhesives are cement-based inorganic bar-planting adhesives, the adhesives have the advantages of high temperature resistance, no aging, similar elastic modulus with concrete and the like, but the hardening time is slow, the bonding strength of adhesive bonding steel bars and base material concrete under the constraint drawing condition is low, the deformation resistance of material ductility difference is low and the like, the inorganic bar-planting adhesives are manually added into bar-planting holes, the grouting fullness is not easy to control, the construction quality cannot be guaranteed, and the development and engineering application of the inorganic bar-planting adhesives are hindered.
Disclosure of Invention
The invention mainly solves the technical problem of providing the quick-setting inorganic bar-planting adhesive and the grouting construction equipment, wherein the quick-setting inorganic bar-planting adhesive has the advantages of high early strength, high bonding strength, good ductility, strong fatigue resistance and strong durability, and the grouting construction equipment simplifies the construction process and improves the construction effect.
In order to solve the technical problems, the invention adopts a technical scheme that: the quick-setting inorganic bar-planting adhesive comprises the following raw materials in parts by weight:
60-70 parts of cement, namely,
4 to 6 portions of high-activity admixture,
15-20 parts of aggregate, namely,
5-8 parts of steel wool,
4-6 parts of latex powder, namely,
0.3 to 0.5 portion of water reducing agent,
0.1 to 0.2 portion of defoaming agent,
0.2 to 0.4 portion of retarder,
0.05 to 0.1 portion of early strength agent,
0.02-0.05 part of thickening agent.
In a preferred embodiment of the invention, the cement is sulphoaluminate cement.
In a preferred embodiment of the present invention, the high-activity admixture is one or both of metakaolin and silica fume.
In a preferred embodiment of the invention, the aggregate is a mixture of 70-140 meshes of quartz sand and 270 meshes of quartz powder, and the weight ratio of the aggregate to the quartz powder is 2: 1.
In a preferred embodiment of the present invention, the latex powder is acrylic latex powder.
In a preferred embodiment of the invention, the water reducing agent is a polycarboxylic acid water reducing agent, and the defoaming agent is an organic silicon defoaming agent.
In a preferred embodiment of the invention, the retarder is one or two of tartaric acid and boric acid, and the early strength agent is one or two of lithium carbonate and lithium sulfate.
In a preferred embodiment of the invention, the thickener is hydroxyethyl cellulose having a viscosity of less than 500 mPa-s.
In order to solve the technical problem, the invention adopts another technical scheme that: the utility model provides an inorganic bar planting of rapid hardening type is slip casting construction equipment for glue, includes: fuselage, storage glue are irritated, slip casting mouth, helical blade, transmission shaft, sealing washer, motor and switch, the fuselage front end be connected with the slip casting mouth, the fuselage upside is provided with the storage glue and irritates, is provided with the transmission shaft in the fuselage, the transmission shaft on set up helical blade, the fuselage rear end is connected with the motor, still is provided with the sealing washer between fuselage and the motor, one side of motor is provided with switch.
The invention has the beneficial effects that:
1. the main components of the quick-setting inorganic bar-planting adhesive are cement, high-activity admixture, aggregate and other inorganic materials, and the bar-planting adhesive has the advantages of high temperature resistance, no aging, similar elastic modulus to that of concrete and the like.
2. The quick-setting inorganic steel-planting adhesive disclosed by the invention has the advantages that the steel wool, the latex powder and the like are added, so that the bonding strength of the steel-planting adhesive bonding steel bar and the base material concrete under the condition of constrained drawing is improved, the ductility of the material is improved, and the deformation resistance is improved.
3. The quick-setting inorganic bar-planting glue grouting construction equipment can quickly and laborsavingly perform inorganic bar-planting glue grouting, ensure grouting fullness and improve construction effect.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without inventive efforts, wherein:
FIG. 1 is a schematic structural diagram of a preferred embodiment of the rapid hardening inorganic bar planting glue grouting construction equipment of the present invention;
the parts in the drawings are numbered as follows: 1. grouting opening, 2, helical blade, 3, transmission shaft, 4, sealing washer, 5, motor, 6, glue storage tank, 7, switch, 8, fuselage.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
A quick-setting inorganic bar-planting adhesive comprises the following raw materials in parts by weight: 60 parts of sulphoaluminate cement, 4 parts of metakaolin, 15 parts of aggregate, 5 parts of steel wool, 4 parts of acrylic latex powder, 0.3 part of polycarboxylic acid water reducing agent, 0.1 part of organic silicon defoaming agent, 0.2 part of tartaric acid retarder, 0.05 part of lithium carbonate early strength agent and 0.02 part of thickening agent, wherein the thickening agent is hydroxyethyl cellulose, the viscosity of the thickening agent is 400mPa & s, the aggregate is a mixture of 70-mesh quartz sand and 270-mesh quartz powder, the weight ratio of the aggregate to the quartz sand is 2:1, and the steel wool is 00# steel wool with the density of 7.6g/cm3。
Inorganic bar planting of rapid hardening type glue slip casting construction equipment, include: fuselage 8, store up glue and irritate 6, slip casting mouth 1, helical blade 2, transmission shaft 3, sealing washer 4, motor 6 and switch 7, 8 front ends of fuselage be connected with slip casting mouth 1, 8 upsides of fuselage are provided with and store up glue and irritate 6, are provided with transmission shaft 3 in the fuselage 8, transmission shaft 3 on set up helical blade 2, 8 rear ends of fuselage are connected with motor 6, still are provided with sealing washer 4 between fuselage 8 and the motor 6, one side of motor 6 is provided with switch 7.
After adding the water misce bene with the inorganic bar planting of rapid hardening type, add and store up in the glue and irritate 6, turn on switch 7, starter motor 5, motor 5 drives helical blade 2 through transmission shaft 3 and rotates, pours into the bar planting hole of infrastructure into after the extrusion of the inorganic bar planting of rapid hardening type glue through slip casting mouth 1.
Example 2
A quick-setting inorganic bar-planting adhesive comprises the following raw materials in parts by weight: 70 parts of sulphoaluminate cement, 6 parts of silica fume, 20 parts of aggregate, 8 parts of steel wool, 6 parts of acrylic latex powder, 0.5 part of polycarboxylic acid water reducing agent, 0.2 part of organic silicon defoaming agent, 0.4 part of boric acid retarder, 0.1 part of lithium sulfate early strength agent and 0.05 part of thickening agent, wherein the thickening agent is hydroxyethyl cellulose, the viscosity of the thickening agent is 350 mPa.s, the aggregate is a mixture of 140-mesh quartz sand and 270-mesh quartz powder, the weight ratio of the aggregate is 2:1, and the steel wool is 00# type steel wool with the density of 7.6g/cm3。
Inorganic bar planting of rapid hardening type glue slip casting construction equipment, include: fuselage 8, store up glue and irritate 6, slip casting mouth 1, helical blade 2, transmission shaft 3, sealing washer 4, motor 6 and switch 7, 8 front ends of fuselage be connected with slip casting mouth 1, 8 upsides of fuselage are provided with and store up glue and irritate 6, are provided with transmission shaft 3 in the fuselage 8, transmission shaft 3 on set up helical blade 2, 8 rear ends of fuselage are connected with motor 6, still are provided with sealing washer 4 between fuselage 8 and the motor 6, one side of motor 6 is provided with switch 7.
After adding the water misce bene with the inorganic bar planting of rapid hardening type, add and store up in the glue and irritate 6, turn on switch 7, starter motor 5, motor 5 drives helical blade 2 through transmission shaft 3 and rotates, pours into the bar planting hole of infrastructure into after the extrusion of the inorganic bar planting of rapid hardening type glue through slip casting mouth 1.
Example 3
A quick-setting inorganic bar-planting adhesive comprises the following raw materials in parts by weight: 65 parts of sulphoaluminate cement, 5 parts of metakaolin, 17 parts of aggregate, 6 parts of steel wool, 5 parts of acrylic latex powder, 0.4 part of polycarboxylic acid water reducing agent, 0.15 part of organic silicon defoaming agent, 0.3 part of tartaric acid retarder, 0.08 part of lithium carbonate early strength agent and 0.03 part of thickening agent, wherein the thickening agent is hydroxyethyl cellulose, the viscosity of the thickening agent is 300 mPa.s, the aggregate is a mixture of 105-mesh quartz sand and 270-mesh quartz powder, the weight ratio of the aggregate to the quartz sand is 2:1, and the steel wool is 00# steel wool with the density of 7.6g/cm3。
Inorganic bar planting of rapid hardening type glue slip casting construction equipment, include: fuselage 8, store up glue and irritate 6, slip casting mouth 1, helical blade 2, transmission shaft 3, sealing washer 4, motor 6 and switch 7, 8 front ends of fuselage be connected with slip casting mouth 1, 8 upsides of fuselage are provided with and store up glue and irritate 6, are provided with transmission shaft 3 in the fuselage 8, transmission shaft 3 on set up helical blade 2, 8 rear ends of fuselage are connected with motor 6, still are provided with sealing washer 4 between fuselage 8 and the motor 6, one side of motor 6 is provided with switch 7.
After adding the water misce bene with the inorganic bar planting of rapid hardening type, add and store up in the glue and irritate 6, turn on switch 7, starter motor 5, motor 5 drives helical blade 2 through transmission shaft 3 and rotates, pours into the bar planting hole of infrastructure into after the extrusion of the inorganic bar planting of rapid hardening type glue through slip casting mouth 1.
The performance of the quick setting inorganic bar-planting glue in the embodiments 1 to 3 is shown in table 1.
TABLE 1
The main components of the quick-setting inorganic bar-planting adhesive are cement, high-activity admixture, aggregate and other inorganic materials, and the bar-planting adhesive has the advantages of high temperature resistance, no aging, similar elastic modulus to that of concrete and the like. The quick-setting inorganic steel-planting adhesive disclosed by the invention has the advantages that the steel wool, the latex powder and the like are added, so that the bonding strength of the steel-planting adhesive bonding steel bar and the base material concrete under the condition of constrained drawing is improved, the ductility of the material is improved, and the deformation resistance is improved. When the equipment is applied to anchoring grouting of steel bars and base structures in building maintenance and reinforcement engineering, inorganic bar-planting glue grouting can be rapidly carried out in a labor-saving manner, and the working efficiency is greatly improved. The material stirring process has no leakage, and the material quantity is easy to adjust. The structure is simple, the middle connecting part can be detached, and the later cleaning is simple.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by the present specification, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (7)
1. The quick-setting inorganic bar-planting adhesive is characterized by comprising the following raw materials in parts by weight:
60-70 parts of cement, namely,
4 to 6 portions of high-activity admixture,
15-20 parts of aggregate, namely,
5-8 parts of steel wool,
4-6 parts of latex powder, namely,
0.3 to 0.5 portion of water reducing agent,
0.1 to 0.2 portion of defoaming agent,
0.2 to 0.4 portion of retarder,
0.05 to 0.1 portion of early strength agent,
0.02-0.05 part of thickening agent;
the latex powder is acrylic latex powder, the steel wool is 00# steel wool, and the density is 7.6g/cm3；
Inorganic bar planting of rapid hardening type glue slip casting construction equipment, include: fuselage, storage glue are irritated, slip casting mouth, helical blade, transmission shaft, sealing washer, motor and switch, the fuselage front end be connected with the slip casting mouth, the fuselage upside is provided with the storage glue and irritates, is provided with the transmission shaft in the fuselage, the transmission shaft on set up helical blade, the fuselage rear end is connected with the motor, still is provided with the sealing washer between fuselage and the motor, one side of motor is provided with switch.
2. The quick-setting inorganic bar-planting adhesive according to claim 1, wherein the cement is sulphoaluminate cement.
3. The quick-setting inorganic bar planting adhesive according to claim 1, wherein the highly active admixture is one or both of metakaolin and silica fume.
4. The quick-setting inorganic bar-planting adhesive according to claim 1, wherein the aggregate is a mixture of 70-140 mesh quartz sand and 270 mesh quartz powder, and the weight ratio is 2: 1.
5. The quick-setting inorganic bar planting adhesive according to claim 1, wherein the water reducing agent is a polycarboxylic acid water reducing agent, and the defoaming agent is a silicone defoaming agent.
6. The quick-setting inorganic planting bar adhesive according to claim 1, wherein the retarder is one or both of tartaric acid and boric acid, and the early strength agent is one or both of lithium carbonate and lithium sulfate.
7. The quick-setting inorganic planting bar adhesive according to claim 1, wherein the thickener is hydroxyethyl cellulose with viscosity less than 500 mPa-s.
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| CN109940763B (en) * | 2019-02-28 | 2021-01-01 | 安徽百利源建筑工程有限公司 | Wall patch device that punches for fitment |
| CN115419291B (en) * | 2022-09-02 | 2024-02-06 | 中铁十一局集团有限公司 | Secondary structure bar planting device |
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| FR2778654B1 (en) * | 1998-05-14 | 2000-11-17 | Bouygues Sa | CONCRETE COMPRISING ORGANIC FIBERS DISPERSED IN A CEMENTITIOUS MATRIX, CONCRETE CEMENTITIOUS MATRIX AND PREMIXES |
| CN101921086B (en) * | 2009-06-12 | 2012-12-12 | 中冶建筑研究总院有限公司 | Cement-based ultra-high strength contraction-free grouting concrete |
| US8317916B1 (en) * | 2009-09-09 | 2012-11-27 | Pebble Technology, Inc. | Set retardant for hydraulic cement compositions |
| CN102182180B (en) * | 2011-04-01 | 2012-06-27 | 邢占东 | Rotary extrusion sleeve anchor rod and construction method thereof |
| CN103864381B (en) * | 2014-03-20 | 2016-08-17 | 上海泛欧建筑材料有限公司 | A kind of cement base inorganic anchoring adhesive and preparation method thereof |
| CN105839903B (en) * | 2016-04-19 | 2019-04-05 | 长江师范学院 | A kind of plastering grouting device |
| CN107116679A (en) * | 2017-05-31 | 2017-09-01 | 周兆弟 | Double-layer cement tank arrangement |
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