CN110963760A - Plastic concrete for seaport cofferdam engineering diaphragm wall and preparation method thereof - Google Patents
Plastic concrete for seaport cofferdam engineering diaphragm wall and preparation method thereof Download PDFInfo
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- CN110963760A CN110963760A CN201911291347.5A CN201911291347A CN110963760A CN 110963760 A CN110963760 A CN 110963760A CN 201911291347 A CN201911291347 A CN 201911291347A CN 110963760 A CN110963760 A CN 110963760A
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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
- C04B28/04—Portland cements
-
- 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
- C04B14/00—Use of inorganic materials as fillers, e.g. pigments, for mortars, concrete or artificial stone; Treatment of inorganic materials specially adapted to enhance their filling properties in mortars, concrete or artificial stone
- C04B14/02—Granular materials, e.g. microballoons
- C04B14/04—Silica-rich materials; Silicates
- C04B14/10—Clay
- C04B14/104—Bentonite, e.g. montmorillonite
-
- 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
- C04B18/00—Use of agglomerated or waste materials or refuse as fillers for mortars, concrete or artificial stone; Treatment of agglomerated or waste materials or refuse, specially adapted to enhance their filling properties in mortars, concrete or artificial stone
- C04B18/04—Waste materials; Refuse
- C04B18/06—Combustion residues, e.g. purification products of smoke, fumes or exhaust gases
- C04B18/08—Flue dust, i.e. fly ash
-
- 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
- C04B2111/20—Resistance against chemical, physical or biological attack
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
Abstract
The invention relates to a plastic concrete for a seaport cofferdam engineering diaphragm wall and a preparation method thereof, wherein the plastic concrete for the seaport cofferdam engineering diaphragm wall comprises the following components in parts by weight: (90-130), (30-80), (60-120), (780-880), (750-850), (230-260) and (4-6). Pouring cement, fly ash, bentonite, broken stone and river sand into a stirring pot, stirring for 2-3 min, uniformly adding an additive and water in the stirring process, continuously stirring for 2min, preparing the formed plastic concrete, demolding after 48h, and then performing standard maintenance for 28 d. The invention reduces the cement consumption, does not need reinforcement, avoids the problem of reinforcing steel bar corrosion in the harbor environment, saves the cost, has large fluidity, high impermeability and extremely low elastic modulus, is convenient for practical engineering application, and is mainly used for large-scale maritime engineering impermeable structures such as harbor cofferdams, dam foundation dams and the like.
Description
Technical Field
The invention belongs to the technical field of concrete preparation, and particularly relates to plastic concrete for a seaport cofferdam engineering diaphragm wall and a preparation method thereof.
Background
The common concrete impervious wall has higher elastic modulus, the difference with the foundation elastic modulus is very large, when the foundation is locally sunk and displaced, the impervious wall can bear very large pressure, the side friction force of the impervious wall is also sharply increased, the internal stress strain of the impervious wall is increased and even is greater than the strength and the limit strain of the concrete, and then the wall is cracked, so that the impervious effect is reduced or lost. The elastic modulus of the plastic concrete is much lower than that of common concrete, and the plastic concrete is very similar to the deformation modulus of the foundation and the surrounding soil cofferdam, so that the plastic concrete can well adapt to the change of the stress and the strain of the surrounding soil, greatly reduces the stress in the impervious wall and avoids cracking.
Disclosure of Invention
The invention aims to provide plastic concrete for seaport cofferdam engineering diaphragm wall and a preparation method thereof, and the compressive strength R of the plastic concrete obtained by the invention28=1 to 5MPa, modulus of elasticity E28Less than or equal to 2000MPa, and permeability coefficient K28≤3×10-5cm/s, slump SP =200 ± 20 mm. The composite material has the advantages of high anti-seepage performance, extremely low elastic modulus and high deformability, and is suitable for large-scale marine engineering anti-seepage structures such as harbor cofferdams, dam foundation dams and the like.
In order to achieve the purpose, the invention provides the following technical scheme:
the plastic concrete for the seaport cofferdam engineering diaphragm wall is prepared from the following raw materials in parts by weight: (90-130), (30-80), (60-120), (780-880), (750-850), (230-260), (4-6).
In the invention, the cement is ordinary Portland cement with the strength of 42.5.
In the invention, the bentonite is calcium-based AF-32 type bentonite, the water content is 10 percent, the plastic viscosity is not more than 1.5, the plastic viscosity after dispersion is not less than 10 mPa.s, and the filtration loss after dispersion is not more than 12.5cm3。
In the invention, the fly ash is F II type fly ash which accords with GBT1596-2017 fly ash for cement and concrete.
In the invention, the crushed stone is II-type crushed stone which meets GBT14685 construction pebble and crushed stone, and the particle size is 5-31.5 mm continuous gradation.
According to the invention, the water reducing agent is a polycarboxylic acid water reducing agent, the water reducing rate is 23%, and the water is water for mixing common concrete.
The invention relates to a preparation method of plastic concrete for a seaport cofferdam engineering diaphragm wall, which comprises the following steps:
(1) firstly, weighing cement, fly ash, bentonite, macadam, river sand, water and a water reducing agent according to parts by weight;
(2) pouring the cement, the fly ash, the bentonite, the broken stone and the river sand weighed in the step (1) into a stirring pot, and stirring for 2-3 min to uniformly mix the materials;
(3) uniformly adding the weighed water reducing agent and water into the product obtained in the step (2) in the stirring process, continuously stirring for 2min, and uniformly stirring to obtain plastic concrete;
(4) and (4) demoulding the prepared formed plastic concrete after 48 hours, and then performing standard curing for 28 days.
Compared with other technologies, the invention has the beneficial effects that:
(1) bentonite and fly ash are adopted to replace part of cement, so that the cement consumption is reduced; the seepage-proofing wall body does not need to be provided with steel bars, avoids the problem of steel bar corrosion in the harbor environment, saves the production cost in the aspect of raw materials, achieves the benefits of reducing energy consumption, saving energy and reducing emission, and reduces the complexity of material transportation and construction process.
(2) The plastic concrete pouring impervious wall has the advantages of high fluidity, simple production and construction processes, high impermeability, extremely low elastic modulus and convenience for practical engineering application, and belongs to flexible walls.
Detailed Description
The technical solutions in the embodiments of the present invention are 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
The cement adopts island P.O42.5 cement, the 28d compressive strength is 49.4 MPa; the fly ash is F II grade fly ash of a Hainan east power plant, the fineness is 15 percent, the water demand ratio is 97 percent, and the 28d activity is 76 percent; the bentonite is produced by Tianjin Tongxiang scientific and technological development Limited company, calcium-based AF-32 type bentonite, the water content is 10 percent, the plastic viscosity is 1.3, the plastic viscosity after dispersion is 12 mPa.s, and the filtration loss after dispersion is 11cm3(ii) a The crushed stone is Hainan iron furnace steel crushed stone, the particle size is 5-31.5 mm, and the crushing value is 11.2%; the river sand adopts Hainan Lingshui river sand with the fineness of 2.7, the mud content of 1.4 percent and the secondary grade middle sand in the area II; the water reducing agent is a polycarboxylic acid water reducing agent, the solid content is 9.1 percent, and the water reducing rate is 23 percent; the water is tap water.
A preparation method of plastic concrete for a seaport cofferdam engineering diaphragm wall comprises the following steps:
(1) weighing the raw materials according to a proportion, wherein the mass of each raw material is calculated according to the single formula dosage: 90kg of cement, 50kg of fly ash, 120kg of bentonite, 780kg of gravel, 840kg of river sand, 242kg of water and 4kg of additive;
(2) weighing the above materials, namely cement, fly ash, bentonite, broken stone and river sand, pouring the materials into a stirring pot, and stirring for 2min to uniformly mix the materials;
(3) uniformly adding the weighed water reducing agent and water into the product obtained in the step (2) in the stirring process, and continuously stirring for 2 min;
(4) and (3) demoulding after 48 hours of preparing the formed plastic concrete, and then performing standard curing for 28 d.
Example 2
The cement adopts island P.O42.5 cement, the 28d compressive strength is 49.4 MPa; the fly ash is F II grade fly ash of a Hainan east power plant, the fineness is 15 percent, the water demand ratio is 97 percent, and the 28d activity is 76 percent; the bentonite is produced by Tianjin Tongxiang scientific and technological development Limited company, calcium-based AF-32 type bentonite, the water content is 10 percent, the plastic viscosity is 1.3, the plastic viscosity after dispersion is 12 mPa.s, and the filtration loss after dispersion is 11cm3(ii) a The crushed stone is Hainan iron furnace steel crushed stone, the particle size is 5-31.5 mm, and the crushing value is 11.2%; the river sand adopts Hainan Lingshui river sand with the fineness of 2.7, the mud content of 1.4 percent and the secondary grade middle sand in the area II; the water reducing agent is a polycarboxylic acid water reducing agent, the solid content is 9.1 percent, and the water reducing rate is 23 percent; the water is tap water.
A preparation method of plastic concrete for a seaport cofferdam engineering diaphragm wall comprises the following steps:
(1) weighing the raw materials according to a proportion, wherein the mass of each raw material is calculated according to the single formula dosage: 100kg of cement, 80kg of fly ash, 80kg of bentonite, 870kg of macadam, 750kg of river sand, 234kg of water and 4.5kg of additives;
(2) weighing the above materials, namely cement, fly ash, bentonite, broken stone and river sand, pouring the materials into a stirring pot, and stirring for 2min to uniformly mix the materials;
(3) uniformly adding the weighed water reducing agent and water into the product obtained in the step (2) in the stirring process, and continuously stirring for 2 min;
(4) and (3) demoulding after 48 hours of preparing the formed plastic concrete, and then performing standard curing for 28 d.
Example 3
The cement adopts island P.O42.5 cement, the 28d compressive strength is 49.4 MPa; the fly ash is F II grade fly ash of a Hainan east power plant, the fineness is 15 percent, the water demand ratio is 97 percent, and the 28d activity is 76 percent; the bentonite is produced by Tianjin Tongxiang scientific and technological development Limited company, and is calcium-based AF-32 type bentonite, 10% of water, 1.3 of plastic viscosity, 12 mPa.s of plastic viscosity after dispersion and 11cm of filtration loss after dispersion3(ii) a The crushed stone is Hainan iron furnace steel crushed stone, the particle size is 5-31.5 mm, and the crushing value is 11.2%; the river sand adopts Hainan Lingshui river sand with the fineness of 2.7, the mud content of 1.4 percent and the secondary grade middle sand in the area II; the water reducing agent is a polycarboxylic acid water reducing agent, the solid content is 9.1 percent, and the water reducing rate is 23 percent; the water is tap water.
A preparation method of plastic concrete for a seaport cofferdam engineering diaphragm wall comprises the following steps:
(1) weighing the raw materials according to a proportion, wherein the mass of each raw material is calculated according to the single formula dosage: 110kg of cement, 30kg of fly ash, 120kg of bentonite, 875kg of broken stone, 745kg of river sand, 255kg of water and 5kg of additives;
(2) weighing the above materials, namely cement, fly ash, bentonite, broken stone and river sand, pouring the materials into a stirring pot, and stirring for 2min to uniformly mix the materials;
(3) uniformly adding the weighed water reducing agent and water into the product obtained in the step (2) in the stirring process, and continuously stirring for 2 min;
(4) and (3) demoulding after 48 hours of preparing the formed plastic concrete, and then performing standard curing for 28 d.
Example 4
The cement adopts island P.O42.5 cement, the 28d compressive strength is 49.4 MPa; the fly ash is F II grade fly ash of a Hainan east power plant, the fineness is 15 percent, the water demand ratio is 97 percent, and the 28d activity is 76 percent; the bentonite is produced by Tianjin Tongxiang scientific and technological development Limited company, calcium-based AF-32 type bentonite, the water content is 10 percent, the plastic viscosity is 1.3, the plastic viscosity after dispersion is 12 mPa.s, and the filtration loss after dispersion is 11cm3(ii) a The crushed stone is Hainan iron furnace steel crushed stone, the particle size is 5-31.5 mm, and the crushing value is 11.2%; the river sand adopts Hainan Lingshui river sand with the fineness of 2.7, the mud content of 1.4 percent and the secondary grade middle sand in the area II; the water reducing agent is a polycarboxylic acid water reducing agent, the solid content is 9.1 percent, and the water reducing rate is 23 percent; the water is tap water.
A preparation method of plastic concrete for a seaport cofferdam engineering diaphragm wall comprises the following steps:
(1) weighing the raw materials according to a proportion, wherein the mass of each raw material is calculated according to the single formula dosage: 120kg of cement, 60kg of fly ash, 80kg of bentonite, 842kg of broken stone, 778kg of river sand, 250kg of water and 5.5kg of additive;
(2) weighing the above materials, namely cement, fly ash, bentonite, broken stone and river sand, pouring the materials into a stirring pot, and stirring for 2min to uniformly mix the materials;
(3) uniformly adding the weighed water reducing agent and water into the product obtained in the step (2) in the stirring process, and continuously stirring for 2 min;
(4) and (3) demoulding after 48 hours of preparing the formed plastic concrete, and then performing standard curing for 28 d.
Example 5
The cement adopts island P.O42.5 cement, the 28d compressive strength is 49.4 MPa; the fly ash is F II grade fly ash of a Hainan east power plant, the fineness is 15 percent, the water demand ratio is 97 percent, and the 28d activity is 76 percent; the bentonite is produced by Tianjin Tongxiang scientific and technological development Limited company, calcium-based AF-32 type bentonite, the water content is 10 percent, the plastic viscosity is 1.3, the plastic viscosity after dispersion is 12 mPa.s, and the filtration loss after dispersion is 11cm3(ii) a The crushed stone is Hainan iron furnace steel crushed stone, the particle size is 5-31.5 mm, and the crushing value is 11.2%; the river sand adopts Hainan Lingshui river sand with the fineness of 2.7, the mud content of 1.4 percent and the secondary grade middle sand in the area II; the water reducing agent is a polycarboxylic acid water reducing agent, the solid content is 9.1 percent, and the water reducing rate is 23 percent; the water is tap water.
A preparation method of plastic concrete for a seaport cofferdam engineering diaphragm wall comprises the following steps:
(1) weighing the raw materials according to a proportion, wherein the mass of each raw material is calculated according to the single formula dosage: 130kg of cement, 70kg of fly ash, 60kg of bentonite, 810kg of macadam, 810kg of river sand, 240kg of water and 6kg of additive;
(2) weighing the above materials, namely cement, fly ash, bentonite, broken stone and river sand, pouring the materials into a stirring pot, and stirring for 2min to uniformly mix the materials;
(3) uniformly adding the weighed water reducing agent and water into the product obtained in the step (2) in the stirring process, and continuously stirring for 2 min;
(4) and (3) demoulding after 48 hours of preparing the formed plastic concrete, and then performing standard curing for 28 d.
The concrete performance of the concrete in the examples is detected, and the results of the test are shown in Table 1 according to GB/T50081 Standard test method for mechanical Properties of ordinary concrete and GB/T50080 Standard test method for Performance of ordinary concrete mixture:
TABLE 1 Performance test results
| Example 1 | Example 2 | Example 3 | Example 4 | Example 5 | |
| Slump constant | 190mm | 200mm | 220mm | 210mm | 220mm |
| Degree of expansion | 370mm | 360mm | 400mm | 410mm | 420mm |
| Rewinding time | 3s | 3s | 2s | 2s | 2s |
| Coagulation time | 18.5h | 17h | 15.5h | 15h | 14h |
| Compressive strength | 2.2MPa | 2.7MPa | 2.4MPa | 2.9MPa | 4.1MPa |
| Modulus of elasticity | 400MPa | 600MPa | 500MPa | 800MPa | 900MPa |
| Coefficient of permeability | 6×10-7 cm/s | 1×10-8 cm/s | 3×10-7 cm/s | 2×10-8 cm/s | 3×10-8 cm/s |
According to the detection results, the embodiment prepared according to the invention can ensure the compressive strength R28=1 to 5MPa, modulus of elasticity E28Less than or equal to 2000MPa, and permeability coefficient K28≤3×10-5cm/s and good working performance.
Claims (7)
1. The plastic concrete for the seaport cofferdam engineering diaphragm wall is characterized in that: the raw materials comprise cement, fly ash, bentonite, broken stone, river sand, water and a water reducing agent, wherein the cement comprises the fly ash, the broken stone, the river sand, the water and the water reducing agent in parts by weight: (90-130), (30-80), (60-120), (780-880), (750-850), (230-260), (4-6).
2. The plastic concrete for seaport cofferdam engineering diaphragm wall as claimed in claim 1, characterized in that: the cement is ordinary Portland cement with the strength of 42.5.
3. The plastic concrete for seaport cofferdam engineering diaphragm wall as claimed in claim 1, characterized in that: the bentonite is calcium-based AF-32 type bentonite, the water content is 10%, the plastic viscosity is not more than 1.5, the plastic viscosity after dispersion is not less than 10 mPa.s, and the filtration loss after dispersion is not more than 12.5cm3。
4. The plastic concrete for seaport cofferdam engineering diaphragm wall as claimed in claim 1, characterized in that: the fly ash is F II type fly ash which accords with GBT1596-2017 fly ash for cement and concrete.
5. The plastic concrete for seaport cofferdam engineering diaphragm wall as claimed in claim 1, characterized in that: the crushed stone is class II crushed stone which meets GBT14685 construction pebble and crushed stone, and the particle size of the crushed stone is 5-31.5 mm continuous gradation.
6. The plastic concrete for seaport cofferdam engineering diaphragm wall as claimed in claim 1, characterized in that: the water reducing agent is a polycarboxylic acid water reducing agent, the water reducing rate is 23%, and the water is water for mixing common concrete.
7. A method for preparing the plastic concrete for the seaport cofferdam engineering diaphragm wall as claimed in claim 1, characterized in that: the method comprises the following specific steps:
(1) firstly, weighing cement, fly ash, bentonite, macadam, river sand, water and a water reducing agent according to parts by weight;
(2) pouring the cement, the fly ash, the bentonite, the broken stone and the river sand weighed in the step (1) into a stirring pot, and stirring for 2-3 min to uniformly mix the materials;
(3) uniformly adding the weighed water reducing agent and water into the product obtained in the step (2) in the stirring process, continuously stirring for 2min, and uniformly stirring to obtain plastic concrete;
(4) and (4) demoulding the prepared formed plastic concrete after 48 hours, and then performing standard curing for 28 days.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111997042A (en) * | 2020-07-31 | 2020-11-27 | 广西建工集团基础建设有限公司 | Construction method of water-stop curtain between plastic concrete piles |
| CN112521173A (en) * | 2020-12-08 | 2021-03-19 | 中建西部建设湖南有限公司 | Limestone powder porous cement concrete material for dock chamber bottom plate drainage cushion and preparation method thereof |
| CN114735980A (en) * | 2022-04-25 | 2022-07-12 | 中建西部建设西南有限公司 | Plastic concrete and preparation method thereof |
| CN115925337A (en) * | 2022-11-28 | 2023-04-07 | 中交第二航务工程局有限公司 | Plastic concrete suitable for impermeable wall of soft soil foundation and preparation method thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102617073A (en) * | 2012-01-20 | 2012-08-01 | 北京新奥混凝土集团有限公司 | Plastic concrete for cutoff wall |
| US8636941B1 (en) * | 2012-09-25 | 2014-01-28 | Romeo Ilarian Ciuperca | Methods of making concrete runways, roads, highways and slabs on grade |
| CN105236901A (en) * | 2015-08-31 | 2016-01-13 | 北京高能时代环境技术股份有限公司 | Plastic concrete for preventing seepage and preparation method thereof |
| CN105236873A (en) * | 2015-06-30 | 2016-01-13 | 深圳港创建材股份有限公司 | Plastic concrete suitable for coastal artificial fill-stone layer base support structure |
| CN107640941A (en) * | 2017-10-16 | 2018-01-30 | 长江水利委员会长江科学院 | The third newborn toughness reinforcing plastic concrete and preparation method with good deformation adaptability |
| CN109912281A (en) * | 2019-04-24 | 2019-06-21 | 内蒙古大雁矿业集团有限责任公司 | A kind of cut-pff wall impervious plastic concrete and preparation method thereof |
-
2019
- 2019-12-16 CN CN201911291347.5A patent/CN110963760A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102617073A (en) * | 2012-01-20 | 2012-08-01 | 北京新奥混凝土集团有限公司 | Plastic concrete for cutoff wall |
| US8636941B1 (en) * | 2012-09-25 | 2014-01-28 | Romeo Ilarian Ciuperca | Methods of making concrete runways, roads, highways and slabs on grade |
| CN105236873A (en) * | 2015-06-30 | 2016-01-13 | 深圳港创建材股份有限公司 | Plastic concrete suitable for coastal artificial fill-stone layer base support structure |
| CN105236901A (en) * | 2015-08-31 | 2016-01-13 | 北京高能时代环境技术股份有限公司 | Plastic concrete for preventing seepage and preparation method thereof |
| CN107640941A (en) * | 2017-10-16 | 2018-01-30 | 长江水利委员会长江科学院 | The third newborn toughness reinforcing plastic concrete and preparation method with good deformation adaptability |
| CN109912281A (en) * | 2019-04-24 | 2019-06-21 | 内蒙古大雁矿业集团有限责任公司 | A kind of cut-pff wall impervious plastic concrete and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 杨明林: "塑性混凝土配合比及性能指标试验研究", 《中国优秀硕士学位论文全文数据库 工程科技Ⅱ辑》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111997042A (en) * | 2020-07-31 | 2020-11-27 | 广西建工集团基础建设有限公司 | Construction method of water-stop curtain between plastic concrete piles |
| CN112521173A (en) * | 2020-12-08 | 2021-03-19 | 中建西部建设湖南有限公司 | Limestone powder porous cement concrete material for dock chamber bottom plate drainage cushion and preparation method thereof |
| CN114735980A (en) * | 2022-04-25 | 2022-07-12 | 中建西部建设西南有限公司 | Plastic concrete and preparation method thereof |
| CN115925337A (en) * | 2022-11-28 | 2023-04-07 | 中交第二航务工程局有限公司 | Plastic concrete suitable for impermeable wall of soft soil foundation and preparation method thereof |
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Application publication date: 20200407 |