CN105806737A - Method for determining polypropylene fiber content of building mortar - Google Patents
Method for determining polypropylene fiber content of building mortar Download PDFInfo
- Publication number
- CN105806737A CN105806737A CN201610363633.8A CN201610363633A CN105806737A CN 105806737 A CN105806737 A CN 105806737A CN 201610363633 A CN201610363633 A CN 201610363633A CN 105806737 A CN105806737 A CN 105806737A
- Authority
- CN
- China
- Prior art keywords
- mortar
- polypropylene fibre
- quality
- sample
- distilled water
- Prior art date
- 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.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N5/00—Analysing materials by weighing, e.g. weighing small particles separated from a gas or liquid
- G01N5/04—Analysing materials by weighing, e.g. weighing small particles separated from a gas or liquid by removing a component, e.g. by evaporation, and weighing the remainder
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
Abstract
The invention discloses a method for determining the polypropylene fiber content of building mortar and belongs to the technical field of building materials. The method includes: preparing a sample, stirring, aging, separating, extracting, neutralizing, filtering, drying and calculating. The method for determining the polypropylene fiber content of the building mortar has the advantages that the method is put forward for the first time, the polypropylene fiber content of the building mortar is determined, the problems that the content of polypropylene fibers inside the hardened dry-mixed mortar cannot be detected and the quality control of the dry-mixed mortar is in severe time lag are solved, data is provided quantitatively, and the method is significant to the quality guaranteeing of the mortar; the method is simple to operate, convenient in determining, high in accuracy and low in cost.
Description
Technical field
The invention belongs to building material technical field, be specifically related to the assay method of building mortar polypropylene fibre content.
Background technology
For accelerating the energy-saving and emission-reduction of China's building material industry, promote the construction of harmonious society, realize the greenization of construction material, reduce building industry for the destruction of natural resources and consumption, relevant ministries and commissions of country combine issue " notice about forbidding Site mortar working at urban time limit " (business sends [2007] 205 elsewhere), proposition was with time of 3 years, in the whole nation, each big and medium-sized cities substep promotes general goods mortar, realize premixing mortar and conventional on-site is stirred the replacement of mortar, solve the problem of environmental pollution of municipal construction, improve engineering construction civilization degree, also improve job site labor condition simultaneously, reduce builder's labor intensity, improve mechanized construction degree, improve structural quality, improve building durability, reduce construction cost.
Dry-mixed mortar is as the one of premixing mortar, versatile and flexible with it, and the feature of easy construction becomes the one being most widely used in premixing mortar, is also the final direction of green construction material development.As mortar for building, dry-mixed mortar is little with thickness of constructing in building with structures, and steady quality is reliable, plays the effect of bonding, liner, protection and decoration.Lifting along with modern architecture industry construction ability, dry-mixed mortar is as flexible and sustainable supply construction material, both building performance had been met, meet mechanized construction quick simultaneously, amount is big, transient demand amount increases swift and violent construction demand, extremely wide in building and fitting-out work application, and simultaneously rich and varied kind meets various functions and the demand of building now.
nullCommon dry-mixed mortar is as the replacement of Site mortar，Its composition has carried out the optimization of each side，Common dry-mixed mortar is by Binder Materials，Fine aggregate、Admixture and additive composition，Simultaneously in order to improve the motar volume stability in big plane operations，Reduce the volume contraction that cement causes due to the continuous slurry of further hydration power as major gelled material，Prevent capillary effect from exceeding cement tensile strength and cause the crack of plastered mortar surface，Suitably filling a small amount of anti-crack fiber is a kind of common way，The concrete/mortar that is added in of fiber is internally formed uniform disorderly to support system，Can effectively stop generation and the development of pre-existing fracture in concrete/mortar，Reduce quantity and the size in crack，Effectively hinder the isolation of aggregate，Ensure that bleeding is uniform，Hinder the formation of settlement crack，Polypropylene fibre can effectively suppress the early stage desciccation crack of concrete/mortar and the generation in isolation crack and development simultaneously，Effectively suppress the generation of interconnected fracture，It is greatly improved the closely knit row of concrete/mortar，Thus improving the anti-permeability performance of concrete/mortar.0.6-0.9kg/m3The polypropylene fiber concrete of volume improves more than 70% than the impermeability of normal concrete.
Conventional ordinary mortar adding of fiber includes the wood fiber, glass fibre, mineral fibres, organic fiber etc., and polypropylene fibre is owing to its cost of material is cheap, production technology is simple, become the one being most widely used, polypropylene fiber polymer cement mortar is to mix polypropylene fibre polymer in cement-based material, compared with common mortar, there is reduction to shrink, suppress to shrink the effect of plastic cracking, significantly improve the performance such as shock resistance and resisting fatigue of composite simultaneously, there is the effect reducing backfin ratio, strengthening toughness.Polypropylene fibre also can efficiently control the excreting water phenomenon of concrete mix, reduces the eduction of cement granules, sand grains, improves the adhesive property at body interface, forms more firmly concrete surface.Polypropylene fibre can absorb impact energy simultaneously, effectively reduces crack, amplified medium material continuity, reduces shock wave and is blocked the stress raisers phenomenon caused, therefore can be greatly improved elastic modulus of concrete performance.
It addition, add polypropylene fibre can introduce micro-air at inside concrete, so, the free water destroyed because freeze-thaw cycle causes concrete/mortar dilation, it is possible to enter in these microbubbles, thus reducing early stage freeze thawing infringement；The effect of the inside concrete stress that simultaneously can also alleviate variations in temperature and cause, stops the extension of thermal cracking, additionally, the raising of concrete/mortar impermeability is also beneficial to the raising of its freezing tolerance.
Polypropylene fibre acts on substantially in mortar, but the 0.1%～0.5% of mortar quality is generally only had due to its addition content, therefore, measuring of polypropylene fibre content in cement mortar there is vital meaning for the quality ensureing mortar, too much admixture polypropylene fibre had both been unfavorable for the performance of polypropylene benefit, too increased the production cost of common dry-mixed mortar simultaneously；And the very few membership that adds causes polypropylene fibre not have the effect having, the dispersed difficulty for generally detecting of 6mm～9mm polypropylene fibre is huge, particularly with hardened motar wall surface, research worker judges only by the cracks of mortar surface after observing hardening for a long time, whether polypropylene fibre dosage is suitable, and qualitative and quantitative data can not be provided, present invention seek to address that the problems referred to above, also better mortar quality can be carried out good process control simultaneously.
Through retrieval, find no about the report of the mensuration of polypropylene fibre content in mortar.
Summary of the invention
It is an object of the invention to overcome the shortcoming of prior art, it is provided that the assay method of building mortar polypropylene fibre content, the method is easy and simple to handle, mensuration is convenient, accuracy is high, cost is low, for ensure mortar quality have vital meaning.
The purpose of the present invention is achieved through the following technical solutions: the assay method of building mortar polypropylene fibre content, and it comprises the following steps:
S1. preparing sample: take building mortar 1kg, place after 2～4h and stir at the temperature of 20～25 DEG C, precise 50g, quality is designated as M1, standby as sample；
S2. stirring: add distilled water in the step S1 sample prepared, the rotating speed regulating agitator stirs 10～18min to 200～300r/min；
S3. ageing: the sample after stirring is placed in the calorstat of 13～18 DEG C ageing 20～28h；
S4. separate: after sample is aged, in 65s with Glass rod drain transfer supernatant to conical flask, described transfer rate < 10ml/s；
S5. extract: conical flask adds tetrahydrofuran solution 20～40ml that mass percentage concentration is 40%, and the quality of accurate recording addition oxolane is M2；By conical flask heating to liquid almost boiling-like, dropping phosphorus pentoxide, turn down heating-up temperature to 85～95 DEG C, concentrated sulphuric acid is added after heating >=30min, continue to heat, heat time heating time >=5min, it is cooled to 18～25 DEG C after heating, standing 15～25min, the quality separating lower floor's solvent precise lower floor solvent is M3；
S6. neutralize: in the solvent separated, add sodium hydroxide and distilled water, be stirred vigorously 2～4min, drip phenolphthalein, adjust the color that reddens to solution；
S7. filter: the solvent qualitative filter paper after neutralizing is filtered, described filtration time≤10min, and with the red disappearance of distilled water flushing filter paper to filtrate；
S8. drying: be placed on evaporating dish by filter paper, be dried to constant weight in the calorstat of 15～20 DEG C, on precise filter paper, whiteness quality is M3；
S9. calculate: calculate the content of polypropylene fibre according to below equation:
Content (%)=(M3-M2)/M1 × 100% of polypropylene fibre, wherein, the unit of M1, M2, M3 is g.
Further, distilled water described in step S2 is 4:1 with the weight ratio of mortar samples.
Further, in step S5, the addition of tetrahydrofuran solution is to carry out in ventilating kitchen, and the wind speed >=3m/s of ventilating kitchen.
Further, the volume ratio of phosphorus pentoxide described in step S5 and concentrated sulphuric acid is 1:8.
Further, distilled water described in step S6 is placement 3.5～4.5h in the water-bath of 40～50 DEG C.
The invention have the advantages that
(1) present invention firstly provides the assay method of building mortar polypropylene fibre content, the content of polypropylene fibre in building mortar has been carried out detection by quantitative, this has vital meaning for the quality ensureing building mortar；
(2) the inventive method has advantage simple to operate, that mensuration is convenient, accuracy is high, cost is low；
(3) its internal problem containing how many polypropylene fibres cannot be detected after the invention solves dry-mixed mortar hardening, the impact of mortar anti-class performance is had important directive significance by research polypropylene fiber further；
(4) the invention solves the problem that dry-mixed mortar quality control significant time is delayed, it is achieved that the real-time of dry-mixed mortar quality control, and realize giving warning in advance and pointing out；
(5) the detection data providing polypropylene content of quantification of the present invention, solve over only by observe face checking situation and cannot the problem of the actual volume of rational judgment, it is possible to the construction quality of look-ahead motar in future；
(6) present invention claims to realize commercial production bidirectional measuring lay the foundation for checking further the measure of production, and it is fast to detect speed, it is possible to accomplish the synchronous operation with weighing balance.
Detailed description of the invention
Below in conjunction with embodiment, the present invention will be further described, and protection scope of the present invention is not limited to the following stated.
Embodiment 1: the assay method of building mortar polypropylene fibre content, it comprises the following steps:
S1. preparing sample: take building mortar 1kg, place after 2h and stir at the temperature of 20 DEG C, precise 50g, quality is designated as M1, standby as sample；
S2. stirring: the weight ratio adding distilled water, distilled water and mortar samples in the step S1 sample prepared is 4:1, the rotating speed regulating agitator stirs 10min to 200r/min；
S3. ageing: the sample after stirring is placed in the calorstat of 13～18 DEG C ageing 20h；
S4. separate: after sample is aged, in 65s with Glass rod drain transfer supernatant to conical flask, described transfer rate < 10ml/s；
S5. extract: adding the tetrahydrofuran solution 20ml that mass percentage concentration is 40% in conical flask, the addition of tetrahydrofuran solution is to carry out in ventilating kitchen, and the wind speed >=3m/s of ventilating kitchen, and the quality of accurate recording addition oxolane is M2；By conical flask heating to liquid boiling shape, drip phosphorus pentoxide, turn down heating-up temperature to 85 DEG C, add concentrated sulphuric acid after heating >=30min, continue to heat, heat time heating time >=5min, being cooled to 18 DEG C after heating, stand 15min, the quality separating lower floor's solvent precise lower floor solvent is M3；Wherein, the volume ratio of phosphorus pentoxide and concentrated sulphuric acid is 1:8；
S6. neutralize: in the solvent separated, add sodium hydroxide and distilled water, be stirred vigorously 2min, drip phenolphthalein, adjust the color that reddens to solution；Wherein, described distilled water is placement 3.5h in the water-bath of 40 DEG C；
S7. filter: the solvent qualitative filter paper after neutralizing is filtered, described filtration time≤10min, and with the red disappearance of distilled water flushing filter paper to filtrate；
S8. drying: be placed on evaporating dish by filter paper, be dried to constant weight in the calorstat of 15 DEG C, on precise filter paper, whiteness quality is M3；
S9. calculate: calculate the content of polypropylene fibre according to below equation:
Content (%)=(M3-M2)/M1 × 100% of polypropylene fibre, wherein, the unit of M1, M2, M3 is g.
Embodiment 2: the assay method of building mortar polypropylene fibre content, it comprises the following steps:
S1. preparing sample: take building mortar 1kg, place after 4h and stir at the temperature of 25 DEG C, precise 50g, quality is designated as M1, standby as sample；
S2. stirring: adding 200g distilled water in the step S1 sample prepared, the rotating speed regulating agitator stirs 18min to 300r/min；
S3. ageing: the sample after stirring is placed in the calorstat of 18 DEG C ageing 28h；
S4. separate: after sample is aged, in 65s with Glass rod drain transfer supernatant to conical flask, described transfer rate < 10ml/s；
S5. extract: adding the tetrahydrofuran solution 40ml that mass percentage concentration is 40% in conical flask, the addition of tetrahydrofuran solution is to carry out in ventilating kitchen, and the wind speed >=3m/s of ventilating kitchen, and the quality of accurate recording addition oxolane is M2；By conical flask heating to liquid boiling shape, drip phosphorus pentoxide, turn down heating-up temperature to 95 DEG C, add concentrated sulphuric acid after heating >=30min, continue to heat, heat time heating time >=5min, being cooled to 25 DEG C after heating, stand 25min, the quality separating lower floor's solvent precise lower floor solvent is M3；Wherein, the volume ratio of phosphorus pentoxide and concentrated sulphuric acid is 1:8；
S6. neutralize: in the solvent separated, add sodium hydroxide and distilled water, be stirred vigorously 4min, drip phenolphthalein, adjust the color that reddens to solution；Wherein, described distilled water is placement 4.5h in the water-bath of 50 DEG C；
S7. filter: the solvent qualitative filter paper after neutralizing is filtered, described filtration time≤10min, and with the red disappearance of distilled water flushing filter paper to filtrate；
S8. drying: be placed on evaporating dish by filter paper, be dried to constant weight in the calorstat of 20 DEG C, on precise filter paper, whiteness quality is M3；
S9. calculate: calculate the content of polypropylene fibre according to below equation:
Content (%)=(M3-M2)/M1 × 100% of polypropylene fibre, wherein, the unit of M1, M2, M3 is g.
Embodiment 3: the assay method of building mortar polypropylene fibre content, it comprises the following steps:
S1. preparing sample: take building mortar 1kg, place after 2.5h and stir at the temperature of 22 DEG C, precise 50g, quality is designated as M1, standby as sample；
S2. stirring: the weight ratio adding distilled water, distilled water and mortar samples in the step S1 sample prepared is 4:1, the rotating speed regulating agitator stirs 14min to 240r/min；
S3. ageing: the sample after stirring is placed in the calorstat of 15 DEG C ageing 24h；
S4. separate: after sample is aged, in 65s with Glass rod drain transfer supernatant to conical flask, described transfer rate < 10ml/s；
S5. extract: adding the tetrahydrofuran solution 28ml that mass percentage concentration is 40% in conical flask, the addition of tetrahydrofuran solution is to carry out in ventilating kitchen, and the wind speed >=3m/s of ventilating kitchen, and the quality of accurate recording addition oxolane is M2；By conical flask heating to liquid boiling shape, drip phosphorus pentoxide, turn down heating-up temperature to 88 DEG C, add concentrated sulphuric acid after heating >=30min, continue to heat, heat time heating time >=5min, being cooled to 20 DEG C after heating, stand 18min, the quality separating lower floor's solvent precise lower floor solvent is M3；Wherein, the volume ratio of phosphorus pentoxide and concentrated sulphuric acid is 1:8；
S6. neutralize: in the solvent separated, add sodium hydroxide and distilled water, be stirred vigorously 3min, drip phenolphthalein, adjust the color that reddens to solution；Wherein, described distilled water is placement 4h in the water-bath of 44 DEG C；
S7. filter: the solvent qualitative filter paper after neutralizing is filtered, described filtration time≤10min, and with the red disappearance of distilled water flushing filter paper to filtrate；
S8. drying: be placed on evaporating dish by filter paper, be dried to constant weight in the calorstat of 17 DEG C, on precise filter paper, whiteness quality is M3；
S9. calculate: calculate the content of polypropylene fibre according to below equation:
Content (%)=(M3-M2)/M1 × 100% of polypropylene fibre, wherein, the unit of M1, M2, M3 is g.
Embodiment 4: the assay method of building mortar polypropylene fibre content, it comprises the following steps:
S1. preparing sample: take building mortar 1kg, place after 3.5h and stir at the temperature of 24 DEG C, precise 50g, quality is designated as M1, standby as sample；
S2. stirring: the weight ratio adding distilled water, distilled water and mortar samples in the step S1 sample prepared is 4:1, the rotating speed regulating agitator stirs 16min to 280r/min；
S3. ageing: the sample after stirring is placed in the calorstat of 16 DEG C ageing 26h；
S4. separate: after sample is aged, in 65s with Glass rod drain transfer supernatant to conical flask, described transfer rate < 10ml/s；
S5. extract: adding the tetrahydrofuran solution 35ml that mass percentage concentration is 40% in conical flask, the addition of tetrahydrofuran solution is to carry out in ventilating kitchen, and the wind speed >=3m/s of ventilating kitchen, and the quality of accurate recording addition oxolane is M2；By conical flask heating to liquid boiling shape, drip phosphorus pentoxide, turn down heating-up temperature to 92 DEG C, add concentrated sulphuric acid after heating >=30min, continue to heat, heat time heating time >=5min, being cooled to 23 DEG C after heating, stand 23min, the quality separating lower floor's solvent precise lower floor solvent is M3；Wherein, the volume ratio of phosphorus pentoxide and concentrated sulphuric acid is 1:8；
S6. neutralize: in the solvent separated, add sodium hydroxide and distilled water, be stirred vigorously 3min, drip phenolphthalein, adjust the color that reddens to solution；Wherein, described distilled water is placement 4.2h in the water-bath of 48 DEG C；
S7. filter: the solvent qualitative filter paper after neutralizing is filtered, described filtration time≤10min, and with the red disappearance of distilled water flushing filter paper to filtrate；
S8. drying: be placed on evaporating dish by filter paper, be dried to constant weight in the calorstat of 18 DEG C, on precise filter paper, whiteness quality is M3；
S9. calculate: calculate the content of polypropylene fibre according to below equation:
Content (%)=(M3-M2)/M1 × 100% of polypropylene fibre, wherein, the unit of M1, M2, M3 is g.
Embodiment 5: adopting the inventive method that the building mortar that match ratio is as shown in table 1 is measured the content of polypropylene fibre in sample, experimental result is as shown in table 2:
Table 1: test match ratio
| Test number | Cement | Medium sand | Fine sand | Flyash | Additive | Fiber |
| F1 | 120 | 100 | 720 | 60 | 1.5 | 1 |
| F2 | 120 | 100 | 720 | 60 | 1.5 | 1.5 |
| F3 | 120 | 100 | 720 | 60 | 1.5 | 2 |
Table 2: testing result
| Test number | The amount of being actually added into % | Detection addition/% | Absolute error/% | Relative error/% |
| F1 | 0.1 | 0.095 | 0.005 | 5 |
| F2 | 0.15 | 0.16 | -0.01 | 6.67 |
| F3 | 0.2 | 0.19 | 0.01 | 5 |
The testing result of table 2 it can be seen that this detection method relative to true value all below 0.01%, and relative to error less than 10%, be fully able to for common quality control and meet test requirements document.For general enterprise's laboratory, each routine tests personnel can grasp coherent detection step and method fast and accurately, obtaining test result accurately according to set program, this has adapted to the demand that enterprise-quality controls very well, meets enterprise-quality and controls the standard to test relative error.
Claims (5)
1. the assay method of building mortar polypropylene fibre content, it is characterised in that it comprises the following steps:
S1. preparing sample: take building mortar 1kg, place after 2～4h and stir at the temperature of 20～25 DEG C, precise 50g, quality is designated as M1, standby as sample；
S2. stirring: add distilled water in the step S1 sample prepared, the rotating speed regulating agitator stirs 10～18min to 200～300r/min；
S3. ageing: the sample after stirring is placed in the calorstat of 13～18 DEG C ageing 20～28h；
S4. separate: after sample is aged, in 65s with Glass rod drain transfer supernatant to conical flask, described transfer rate < 10ml/s；
S5. extract: conical flask adds tetrahydrofuran solution 20～40ml that mass percentage concentration is 40%, and the quality of accurate recording addition oxolane is M2；By conical flask heating to almost liquid boiling shape, dropping phosphorus pentoxide, turn down heating-up temperature to 85～95 DEG C, concentrated sulphuric acid is added after heating >=30min, continue to heat, heat time heating time >=5min, it is cooled to 18～25 DEG C after heating, standing 15～25min, the quality separating lower floor's solvent precise lower floor solvent is M3；
S6. neutralize: in the solvent separated, add sodium hydroxide and distilled water, be stirred vigorously 2～4min, drip phenolphthalein, adjust the color that reddens to solution；
S7. filter: the solvent qualitative filter paper after neutralizing is filtered, described filtration time≤10min, and with the red disappearance of distilled water flushing filter paper to filtrate；
S8. drying: be placed on evaporating dish by filter paper, be dried to constant weight in the calorstat of 15～20 DEG C, on precise filter paper, whiteness quality is M3；
S9. calculate: calculate the content of polypropylene fibre according to below equation:
Content (%)=(M3-M2)/M1 × 100% of polypropylene fibre, wherein, the unit of M1, M2, M3 is g.
2. the assay method of building mortar polypropylene fibre content as claimed in claim 1, it is characterised in that the weight ratio of distilled water described in step S2 and mortar samples is 4:1.
3. the assay method of building mortar polypropylene fibre content as claimed in claim 1, it is characterised in that in step S5, the addition of tetrahydrofuran solution is to carry out in ventilating kitchen, and the wind speed >=3m/s of ventilating kitchen.
4. the assay method of building mortar polypropylene fibre content as claimed in claim 1, it is characterised in that the volume ratio of phosphorus pentoxide described in step S5 and concentrated sulphuric acid is 1:8.
5. the assay method of building mortar polypropylene fibre content as claimed in claim 1, it is characterised in that distilled water described in step S6 is placement 3.5～4.5h in the water-bath of 40～50 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610363633.8A CN105806737B (en) | 2016-05-25 | 2016-05-25 | The assay method of building mortar polypropylene fibre content |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610363633.8A CN105806737B (en) | 2016-05-25 | 2016-05-25 | The assay method of building mortar polypropylene fibre content |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105806737A true CN105806737A (en) | 2016-07-27 |
| CN105806737B CN105806737B (en) | 2018-09-18 |
Family
ID=56453103
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610363633.8A Active CN105806737B (en) | 2016-05-25 | 2016-05-25 | The assay method of building mortar polypropylene fibre content |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105806737B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110530753A (en) * | 2019-08-13 | 2019-12-03 | 上海市建筑科学研究院 | The test method of existing building outer heat preservation system anticracking grout polymer content |
| CN114034529A (en) * | 2021-11-11 | 2022-02-11 | 广东睿鹏材料科学有限公司 | Detection pretreatment method of anti-counterfeiting material containing trace fluorescent groups |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| PL242000B1 (en) * | 2019-10-23 | 2023-01-02 | Inst Techniki Budowlanej | Method of determining polymer microfibres content in cement composites |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0324437A (en) * | 1989-06-22 | 1991-02-01 | Chubu Electric Power Co Inc | Quick moisture measuring method |
| DE102004016243B3 (en) * | 2004-04-02 | 2005-09-08 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus for determining changes in weight of a flat body in a fluid stream such as for quality control of lacquer or paint coatings, includes a roller bearing for carrying the body |
| CN101726438A (en) * | 2009-12-23 | 2010-06-09 | 湖南中烟工业有限责任公司 | Method for analyzing glass fiber in paper |
| CN102621031A (en) * | 2012-04-18 | 2012-08-01 | 上海市毛麻纺织科学技术研究所 | Method for quantitatively detecting content of each component in mixture of polyester fiber and polypropylene fiber |
| CN103913396A (en) * | 2013-08-23 | 2014-07-09 | 郑怡 | Method for determining fiber content in fiber reinforced concrete |
| CN104122164A (en) * | 2013-04-26 | 2014-10-29 | 广东省东莞市质量监督检测中心 | Quantitative determination method for fiber content of viloft fiber and polyester fiber blended textiles |
-
2016
- 2016-05-25 CN CN201610363633.8A patent/CN105806737B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0324437A (en) * | 1989-06-22 | 1991-02-01 | Chubu Electric Power Co Inc | Quick moisture measuring method |
| DE102004016243B3 (en) * | 2004-04-02 | 2005-09-08 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus for determining changes in weight of a flat body in a fluid stream such as for quality control of lacquer or paint coatings, includes a roller bearing for carrying the body |
| CN101726438A (en) * | 2009-12-23 | 2010-06-09 | 湖南中烟工业有限责任公司 | Method for analyzing glass fiber in paper |
| CN102621031A (en) * | 2012-04-18 | 2012-08-01 | 上海市毛麻纺织科学技术研究所 | Method for quantitatively detecting content of each component in mixture of polyester fiber and polypropylene fiber |
| CN104122164A (en) * | 2013-04-26 | 2014-10-29 | 广东省东莞市质量监督检测中心 | Quantitative determination method for fiber content of viloft fiber and polyester fiber blended textiles |
| CN103913396A (en) * | 2013-08-23 | 2014-07-09 | 郑怡 | Method for determining fiber content in fiber reinforced concrete |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110530753A (en) * | 2019-08-13 | 2019-12-03 | 上海市建筑科学研究院 | The test method of existing building outer heat preservation system anticracking grout polymer content |
| CN114034529A (en) * | 2021-11-11 | 2022-02-11 | 广东睿鹏材料科学有限公司 | Detection pretreatment method of anti-counterfeiting material containing trace fluorescent groups |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105806737B (en) | 2018-09-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104478371B (en) | A kind of energy-saving concrete crack repairing agent | |
| Li et al. | Fracture properties and response surface methodology model of alkali-slag concrete under freeze–thaw cycles | |
| Grinfeld et al. | Tests results strength and thermophysical properties of aerated concrete block wall samples with the use of polyurethane adhesive | |
| CN104386966B (en) | A kind of high performance corrosion-proof is dry mixed waterproof mortar | |
| CN100345790C (en) | Efficient energy-saving kervit microbead insulated sand slurry | |
| CN110467407A (en) | A kind of C70 mass concrete and its preparation process | |
| CN101857416A (en) | Polymer emulsion modified rapid repair mortar and preparation method thereof | |
| CN106145829B (en) | A kind of heat-insulation wall plate and preparation method thereof | |
| CN104692731A (en) | Polymer anti-cracking mortar, and preparation method and application thereof | |
| CN101475345A (en) | Cement based polymer heat preserving dry powder mortar and using method thereof | |
| CN101788455B (en) | Test method for anti-carbonation properties and content of admixtures of common Portland cement | |
| CN105806737A (en) | Method for determining polypropylene fiber content of building mortar | |
| CN108373277A (en) | A kind of epoxy resin roughening metakaolin based geopolymer and preparation method thereof | |
| CN107021701A (en) | Early strong lower shrinkage prestress hole path pressure grouting material and preparation method thereof | |
| CN107311497A (en) | Maintaining swelling agent and preparation method thereof in a kind of concrete | |
| CN103723965A (en) | Inorganic insulation board and preparation method thereof | |
| CN110436865A (en) | A kind of preparation method of high strong water resistant ground matter ancient building patching material | |
| CN107793088A (en) | Lightweight anti-cracking heat insulation mortar | |
| CN106810162A (en) | A kind of binding paste of wet-laid process laying self-adhesive coiled material and preparation method thereof | |
| CN106518157A (en) | Decorative integrated light load-bearing heat preservation wallboard and preparation method thereof | |
| CN110862249A (en) | High-fluidity ECC self-healing mortar material and preparation method, performance evaluation method and application thereof | |
| CN108947295A (en) | Low-alkali concrete swelling agent and the preparation method and application thereof | |
| CN106587894B (en) | A kind of cement steel wire net rack thermal-insulating board of magnesia salt cementitious material foaming | |
| CN104961405B (en) | It is a kind of to mix GRC type light thermal-insulation non-dismantling formworks of iron tailings and preparation method thereof | |
| CN109553327B (en) | Concrete additive and preparation method and application thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20191216 Address after: 610000 Xinshijie 519, Longzheng Town, Renshou County, Meishan City, Sichuan Province Patentee after: Sichuan Xin leader new material Co., Ltd. Address before: Meishan City, Sichuan Province town south 620460 Qingshen County Daxing village 2 groups Patentee before: QINGSHEN XINTONGLING BUILDING MATERIAL CO., LTD. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200819 Address after: Group 2, Daxing village, Nancheng Town, Qingshen County, Meishan City, Sichuan Province, 610000 Patentee after: QINGSHEN XINTONGLING BUILDING MATERIAL Co.,Ltd. Address before: 610000 Xinshijie 519, Longzheng Town, Renshou County, Meishan City, Sichuan Province Patentee before: SICHUAN XINTONGLING NEW MATERIAL Co.,Ltd. |