CN105130304B - Impervious cement column and preparation method thereof - Google Patents
Impervious cement column and preparation method thereof Download PDFInfo
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- CN105130304B CN105130304B CN201510528142.XA CN201510528142A CN105130304B CN 105130304 B CN105130304 B CN 105130304B CN 201510528142 A CN201510528142 A CN 201510528142A CN 105130304 B CN105130304 B CN 105130304B
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Abstract
The invention discloses a kind of impervious cement column, which contains cement, building stones, sand, flyash, SILICA FUME, plant fiber, polypropylene, polyurethane, water and water-reducing agent.The present invention also provides a kind of preparation method of impervious cement, which includes: that cement, building stones, sand, flyash, SILICA FUME, plant fiber, polypropylene, polyurethane, water and water-reducing agent are mixed to prepare concrete by (1)；(2) it by concreting into framework of steel reinforcement, then conserves and impervious cement column is made.There is extremely excellent waterproof performance by high permeable strata column prepared by this method, and there is very high compression strength and tensile splitting strength.
Description
Technical field
The present invention relates to concrete column preparation fields, and in particular, to a kind of high permeable strata column and preparation method thereof.
Background technique
Concrete column is also known as concrete column, is formed by reinforcing bar and concreting, and concrete column durability is good, and raw material are cheap
It is easy to get, compression strength is big, and fire protecting performance is good, and shape has diversity, building field is widely applied to, such as the support of greenhouse
Column, fence and house component part etc..
Under the influence of for a long time by effect of water pressure, the original small spaces of inside concrete can increase common concrete column
Greatly, or even there is crack, serious infiltration phenomenon occur, therefore, when concrete column is for building the building by pressure water action for a long time
When object, there is very big requirement to the anti-permeability performance of concrete column, the anti-permeability performance of the concrete column prepared in the prior art is very poor, in length
Phase is likely to occur the danger that cracking even collapses when being acted on by hydraulic pressure.
Summary of the invention
The object of the present invention is to provide a kind of high permeable strata column and preparation method thereof, the Thief zone prepared by this method
Concrete column has extremely excellent waterproof performance, and has very high compression strength and tensile splitting strength.
To achieve the goals above, the present invention provides a kind of impervious cement column, the impervious cement column contain cement,
Building stones, sand, flyash, SILICA FUME, plant fiber, polypropylene, polyurethane, water and water-reducing agent.
The present invention also provides a kind of preparation method of impervious cement, which includes:
(1) by cement, building stones, sand, flyash, SILICA FUME, plant fiber, polypropylene, polyurethane, water and
Water-reducing agent is mixed to prepare concrete；
(2) it by concreting into framework of steel reinforcement, then conserves and impervious cement column is made.
Through the above technical solutions, the present invention provides a kind of impervious cement column and preparation method thereof, highly resistance infiltration
Mud column is by by cement, building stones, sand, flyash, SILICA FUME, plant fiber, polypropylene, polyurethane, water and subtracting
Aqua mixing after-pouring is into framework of steel reinforcement, and then maintenance is made.During the preparation process, flyash, SILICA FUME, plant fiber,
It acts synergistically between this five kinds of components of polypropylene, polyurethane, there is impervious cement column obtained extremely
Excellent waterproof performance, and there is very high compression strength and tensile splitting strength.
Other features and advantages of the present invention will the following detailed description will be given in the detailed implementation section.
Specific embodiment
Detailed description of the preferred embodiments below.It should be understood that described herein specific
Embodiment is merely to illustrate and explain the present invention, and is not intended to restrict the invention.
The present invention provides a kind of impervious cement column, the impervious cement column contain cement, building stones, sand, flyash,
SILICA FUME, plant fiber, polypropylene, polyurethane, water and water-reducing agent.
In the present invention, the type of cement has diversity, higher anti-in order to have impervious cement column obtained
Compressive Strength, it is preferable that cement is one of portland cement, aluminate cement and slag cements or a variety of.
Meanwhile the specific type of plant fiber can select in a wide range, can be rice husk, ramie, cotton and wood
One of bits are a variety of, in order to make impervious cement column obtained have higher tensile splitting strength, it is preferable that plant is fine
Dimension is one of rice husk, ramie and sawdust or a variety of.
Similarly, polyacrylic weight average molecular weight can select in a wide range, in order to make impervious cement obtained
Column has more excellent anti-permeability performance, it is preferable that polyacrylic weight average molecular weight is 16000-22000.
Certainly, the weight average molecular weight of polyurethane is not also particularly limited, in order to make highly resistance infiltration obtained
Mud column has more excellent anti-permeability performance, it is preferable that the weight average molecular weight of polyurethane is 18000-24000.
In the present invention, the content of each component can select in a wide range, in order to make high permeable strata obtained
Column has more excellent waterproof performance, and has higher compression strength and tensile splitting strength, it is preferable that relative to 100
The stone of parts by weight, the content of cement are 45-65 parts by weight, and the content of sand is 28-40 parts by weight, and the content of flyash is
20-30 parts by weight, the content of SILICA FUME are 12-18 parts by weight, and the content of plant fiber is 6-10 parts by weight, polyacrylic dosage
For 11-14 parts by weight, the content of polyurethane is 4-8 parts by weight, and the content of water is 30-40 parts by weight, water-reducing agent
Content is 1-6 parts by weight.
In addition, the specific type of water-reducing agent can also select in a wide range, lignin sulfonate diminishing can be
Agent, naphthalenes water-reducing agent, melamine class water-reducing agent, water-soluble resin Sulfonates water-reducing agent, sulfamic acid salt water-reducing agent, rouge
One of fat acids aqua and polycarboxylic acid salt's water-reducing agent are a variety of, consider from water-reducing effect, it is preferable that water-reducing agent is wooden
Plain Sulfonates water-reducing agent.
The present invention also provides a kind of preparation method of impervious cement, which includes:
(1) by cement, building stones, sand, flyash, SILICA FUME, plant fiber, polypropylene, polyurethane, water and
Water-reducing agent is mixed to prepare concrete；
(2) it by concreting into framework of steel reinforcement, then conserves and impervious cement column is made.
In the above preparation method, the type of cement has diversity, in order to have impervious cement column obtained more
High compression strength, it is preferable that cement is one of portland cement, aluminate cement and slag cements or a variety of.
Meanwhile the specific type of plant fiber can select in a wide range, can be rice husk, ramie, cotton and wood
One of bits are a variety of, in order to make impervious cement column obtained have higher tensile splitting strength, it is preferable that plant is fine
Dimension is one of rice husk, ramie and sawdust or a variety of.
Similarly, polyacrylic weight average molecular weight can select in a wide range, in order to make impervious cement obtained
Column has more excellent anti-permeability performance, it is preferable that polyacrylic weight average molecular weight is 16000-22000.
Certainly, the weight average molecular weight of polyurethane is not also particularly limited, in order to make highly resistance infiltration obtained
Mud column has more excellent anti-permeability performance, it is preferable that the weight average molecular weight of polyurethane is 18000-24000.
In the above preparation method, the dosage of each component does not limit particularly, in order to make high permeable strata obtained
Column has more excellent waterproof performance, and has higher compression strength and tensile splitting strength, it is preferable that relative to 100
The stone of parts by weight, the dosage of cement are 45-65 parts by weight, and the dosage of sand is 28-40 parts by weight, and the dosage of flyash is
20-30 parts by weight, the dosage of SILICA FUME are 12-18 parts by weight, and the dosage of plant fiber is 6-10 parts by weight, polyacrylic dosage
For 11-14 parts by weight, the dosage of polyurethane is 4-8 parts by weight, and the dosage of water is 30-40 parts by weight, water-reducing agent
Dosage is 1-6 parts by weight.
In addition, the specific type of water-reducing agent can also select in a wide range, lignin sulfonate diminishing can be
Agent, naphthalenes water-reducing agent, melamine class water-reducing agent, water-soluble resin Sulfonates water-reducing agent, sulfamic acid salt water-reducing agent, rouge
One of fat acids aqua and polycarboxylic acid salt's water-reducing agent are a variety of, consider from water-reducing effect, it is preferable that water-reducing agent is wooden
Plain Sulfonates water-reducing agent.
In the above preparation method, the temperature and time of maintenance can select in a wide range, it is preferable that maintenance is at least
Meet the following conditions: curing temperature is 25-40 DEG C, curing time 6-10d.
The present invention will be described in detail by way of examples below.In following embodiment, impervious cement column is conserved 7 days
GB/T50081-2002 is detected and is obtained compression strength and tensile splitting strength parameter afterwards according to national standards.SILICA FUME is purchased from sweet
Respectful three remote silicon materials Co., Ltd, polypropylene are purchased from Jinan Hao Jian Science and Technology Ltd., and polyurethane is that Shanghai is abundant remote
Chemical Co., Ltd..
Embodiment 1
(1) at 25 DEG C, by portland cement, building stones, sand, flyash, SILICA FUME, rice husk, polypropylene (Weight-average molecular
Amount for 18000), polyurethane (weight average molecular weight 21000), water and lignin sulfonate water-reducing agent (weight ratio
Concrete is mixed to prepare for 55:100:35:25:15:8:12:6:35:3)；
(2) by concreting into framework of steel reinforcement, 8d is then conserved at 30 DEG C, impervious cement column A1 is made.
The compression strength and tensile splitting strength parameter of the impervious cement column are as shown in table 1.
Embodiment 2
(1) at 25 DEG C, by aluminate cement, building stones, sand, flyash, SILICA FUME, ramie, polypropylene (Weight-average molecular
Amount for 16000), polyurethane (weight average molecular weight 18000), water and lignin sulfonate water-reducing agent (weight ratio
Concrete is mixed to prepare for 45:100:28:20:12:6:11:4:30:1)；
(2) by concreting into framework of steel reinforcement, 10d is then conserved at 25 DEG C, impervious cement column A2 is made.
The compression strength and tensile splitting strength parameter of the impervious cement column are as shown in table 1.
Embodiment 3
(1) at 25 DEG C, by slag cements, building stones, sand, flyash, SILICA FUME, sawdust, polypropylene (weight average molecular weight
For 22000), (weight ratio is for polyurethane (weight average molecular weight 24000), water and lignin sulfonate water-reducing agent
65:100:40:30:18:10:14:8:40:6) it is mixed to prepare concrete；
(2) by concreting into framework of steel reinforcement, 6d is then conserved at 40 DEG C, impervious cement column A3 is made.
The compression strength and tensile splitting strength parameter of the impervious cement column are as shown in table 1.
Comparative example 1
It carries out that impervious cement column B1 is made according to the method for embodiment 1, unlike, flyash is not used.The highly resistance
Compression strength and the tensile splitting strength parameter for seeping concrete column are as shown in table 1.
Comparative example 2
It carries out that impervious cement column B2 is made according to the method for embodiment 1, unlike, SILICA FUME is not used.The highly resistance
Compression strength and the tensile splitting strength parameter for seeping concrete column are as shown in table 1.
Comparative example 3
It carries out that impervious cement column B3 is made according to the method for embodiment 1, unlike, rice husk is not used.The high-impermeable
The compression strength and tensile splitting strength parameter of concrete column are as shown in table 1.
Comparative example 4
It carries out that impervious cement column B4 is made according to the method for embodiment 1, unlike, polypropylene is not used.The highly resistance
Compression strength and the tensile splitting strength parameter for seeping concrete column are as shown in table 1.
Comparative example 5
It carries out that impervious cement column B5 is made according to the method for embodiment 1, unlike, polyurethane first is not used
Ester.The compression strength and tensile splitting strength parameter of the impervious cement column are as shown in table 1.
Detect example 1
It is 70mm, the frustum of a cone band bottom of lower port diameter 80mm, a height of 30mm that sample to be tested, which is put into back cut diameter,
Metal test mould molding and is inspected part at benchmark, after molding with plastic cloth by test specimen cover it is quiet stop, be put into 20 DEG C of water and support after demoulding
Shield is taken out after dry tack free to 7d, is fitted into permeameter with sealing material sealing and carries out seepage pressure detection, one group with 6
Test specimen.
For hydraulic pressure since 0.2MPa, constant pressure 2h increases to 0.3MPa, later every 1h, increases hydraulic pressure 0.1MPa, tries when six
When infiltration phenomenon is presented there are three surface of test piece in part, stops test, record hydraulic pressure, specific testing result is shown in Table 1.
Table 1
| Seepage pressure (MPa) | Compression strength (MPa) | Tensile splitting strength (MPa) | |
| A1 | 1.48 | 37.98 | 2.81 |
| A2 | 1.45 | 37.88 | 2.78 |
| A3 | 1.47 | 37.64 | 2.82 |
| B1 | 0.46 | 19.89 | 1.74 |
| B2 | 0.51 | 21.54 | 1.68 |
| B3 | 0.48 | 20.89 | 1.74 |
| B4 | 0.46 | 21.45 | 1.71 |
| B5 | 0.49 | 20.49 | 1.75 |
As shown in Table 1, impervious cement column provided by the invention has extremely excellent waterproof performance, and has very high
Compression strength and tensile splitting strength.Relative to A1-A3, seepage pressure, compression strength and the tensile splitting strength of B1-B5 is aobvious
Decline is write, illustrates to assist between this five kinds of components of flyash, SILICA FUME, plant fiber, polypropylene, polyurethane
Same-action makes impervious cement column obtained have extremely excellent waterproof performance, and has very high compression strength and splitting
Tensile strength.
The preferred embodiment of the present invention has been described above in detail, still, during present invention is not limited to the embodiments described above
Detail within the scope of the technical concept of the present invention can be with various simple variants of the technical solution of the present invention are made, this
A little simple variants all belong to the scope of protection of the present invention.
It is further to note that specific technical features described in the above specific embodiments, in not lance
In the case where shield, can be combined in any appropriate way, in order to avoid unnecessary repetition, the present invention to it is various can
No further explanation will be given for the combination of energy.
In addition, various embodiments of the present invention can be combined randomly, as long as it is without prejudice to originally
The thought of invention, it should also be regarded as the disclosure of the present invention.
Claims (8)
1. a kind of impervious cement column, which is characterized in that the impervious cement column is composed of the following components: cement, building stones, sand
Son, flyash, SILICA FUME, plant fiber, polypropylene, polyurethane, water and water-reducing agent；
Wherein, the cement is one of portland cement, aluminate cement and slag cements or a variety of；
The plant fiber is one of rice husk, ramie and sawdust or a variety of；
The polyacrylic weight average molecular weight is 16000-22000, and the weight average molecular weight of the polyurethane is
18000-24000；
Relative to the building stones of 100 parts by weight, the content of the cement is 45-65 parts by weight, and the content of the sand is 28-
40 parts by weight, the content of the flyash are 20-30 parts by weight, and the content of the SILICA FUME is 12-18 parts by weight, the plant
The content of fiber is 6-10 parts by weight, and the polyacrylic dosage is 11-14 parts by weight, the content of the polyurethane
For 4-8 parts by weight, the content of the water is 30-40 parts by weight, and the content of the water-reducing agent is 1-6 parts by weight；
The water-reducing agent is lignin sulfonate water-reducing agent.
2. a kind of preparation method of impervious cement as described in claim 1, which is characterized in that the preparation method packet
It includes:
(1) by cement, building stones, sand, flyash, SILICA FUME, plant fiber, polypropylene, polyurethane, water and diminishing
Agent is mixed to prepare concrete；
(2) it by the concreting into framework of steel reinforcement, then conserves and impervious cement column is made.
3. preparation method according to claim 2, wherein the cement is portland cement, aluminate cement and slag
One of cement is a variety of.
4. preparation method according to claim 2, wherein the plant fiber is one of rice husk, ramie and sawdust
Or it is a variety of.
5. preparation method according to claim 3 or 4, wherein the polyacrylic weight average molecular weight is 16000-
22000, the weight average molecular weight of the polyurethane is 18000-24000.
6. preparation method according to claim 3 or 4, wherein relative to the building stones of 100 parts by weight, the cement
Dosage be 45-65 parts by weight, the dosage of the sand is 28-40 parts by weight, and the dosage of the flyash is 20-30 weight
Part, the dosage of the SILICA FUME is 12-18 parts by weight, and the dosage of the plant fiber is 6-10 parts by weight, described polyacrylic
Dosage is 11-14 parts by weight, and the dosage of the polyurethane is 4-8 parts by weight, and the dosage of the water is 30-40 weight
Part, the dosage of the water-reducing agent is 1-6 parts by weight.
7. preparation method according to claim 6, wherein the water-reducing agent is lignin sulfonate water-reducing agent.
8. preparation method according to claim 6, wherein the maintenance at least meets the following conditions: curing temperature 25-
40 DEG C, curing time 6-10d.
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101538137A (en) * | 2009-04-24 | 2009-09-23 | 吴运华 | High strength silica powder concrete and construction technology |
| CN101870573A (en) * | 2010-06-29 | 2010-10-27 | 上海英硕聚合物材料有限公司 | Acrylic acid modified waterproof mortar |
| CN101880138A (en) * | 2009-05-04 | 2010-11-10 | 周健民 | High performance steel-polypropylene hybrid fiber concrete |
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2015
- 2015-08-24 CN CN201510528142.XA patent/CN105130304B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101538137A (en) * | 2009-04-24 | 2009-09-23 | 吴运华 | High strength silica powder concrete and construction technology |
| CN101880138A (en) * | 2009-05-04 | 2010-11-10 | 周健民 | High performance steel-polypropylene hybrid fiber concrete |
| CN101870573A (en) * | 2010-06-29 | 2010-10-27 | 上海英硕聚合物材料有限公司 | Acrylic acid modified waterproof mortar |
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Effective date of registration: 20191230 Address after: 362600 district a of Bangde Industrial Park, Yongchun County, Quanzhou City, Fujian Province Patentee after: Fujian Xiangda pipe pile Co., Ltd Address before: 241000 No. 5 horticultural garden road two, Nanling Economic Development Zone, Wuhu, Anhui Patentee before: ANHUI WUHU FLY QI CEMENT PRODUCTS CO., LTD. |