CN105862723A - Prestress concrete sheet pile for water conservancy construction - Google Patents

Prestress concrete sheet pile for water conservancy construction Download PDF

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Publication number
CN105862723A
CN105862723A CN201610204019.7A CN201610204019A CN105862723A CN 105862723 A CN105862723 A CN 105862723A CN 201610204019 A CN201610204019 A CN 201610204019A CN 105862723 A CN105862723 A CN 105862723A
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China
Prior art keywords
parts
pile body
concrete
water conservancy
conservancy construction
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CN201610204019.7A
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Chinese (zh)
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CN105862723B (en
Inventor
颜成华
颜井意
谭学立
王寿彬
霍永业
江森利
李振宝
李果
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JIANGSU DONGPU TUBULAR PILE CO Ltd
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JIANGSU DONGPU TUBULAR PILE CO Ltd
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Publication of CN105862723A publication Critical patent/CN105862723A/en
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    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
    • E02D5/02—Sheet piles or sheet pile bulkheads
    • E02D5/03—Prefabricated parts, e.g. composite sheet piles
    • E02D5/10—Prefabricated parts, e.g. composite sheet piles made of concrete or reinforced concrete
    • E02D5/105—Prefabricated parts, e.g. composite sheet piles made of concrete or reinforced concrete of prestressed concrete
    • 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

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Ceramic Engineering (AREA)
  • Composite Materials (AREA)
  • Materials Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Paleontology (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)
  • Piles And Underground Anchors (AREA)

Abstract

The invention discloses a prestress concrete sheet pile for water conservancy construction. The prestress concrete sheet pile for water conservancy construction is characterized in that the prestress concrete sheet pile comprises a concrete pile body and reinforcing meshes arranged in the concrete pile body. One end of the concrete pile body is provided with a protrusion with the semi-arc section. The other end of the concrete pile body is provided with an arc concave part matched with the semi-arc protrusion. The reinforcing meshes are arranged in the concrete pile body in a crossed mode. A part of each reinforcing meshes extends in the length direction of the semi-arc protrusion, and the other part of each reinforcing meshes extends in the length direction of the arc concave part. Concrete in the concrete pile body includes, by weight, 380-620 parts of cement, 90-150 parts of silica fume, 75-125 parts of coal ash, 420-580 parts of sand, 980-1100 parts of stone, 11-23 parts of limestone powder, 8-15 parts of addition agents, 240-280 parts of water, 15-35 parts of ceramsite, 3-6 parts of rosin, 5-10 parts of methylcellulose, 5-10 parts of sepiolite fibers and 5-10 parts of titanium dioxide. The prestress concrete sheet pile for water conservancy construction has the advantages that distribution of reinforcement is reasonable, assembly is convenient, and the corrosion resistance is good.

Description

Water conservancy construction prestressed concrete plate stake
Technical field
The invention belongs to sheet pile field, especially a kind of water conservancy construction prestressed concrete plate stake.
Background technology
Sheet pile is a kind of campshed wall supporting construction, has the advantages that construction is simple, the field operation cycle is short, wide in foundation ditch General use.Existing sheet pile is typically prefabricated in the factory, then is transported to building site.The cross sectional shape of sheet pile and reinforcement manner are to its property Can affect very big, need to carry out research design according to operating mode.Existing sheet pile is used in the construction of fresh water power plant construction, on edge The areas such as sea, salt lake, ion, such as chloride ion and sulfate ion can corrode the reinforcing bar in sheet pile, and then destroy sheet pile Structure.Accordingly, it would be desirable to the structure to sheet pile, including shape and form of reinforcement, and sheet pile concrete carries out new Research and design.
Summary of the invention
Goal of the invention: a kind of water conservancy construction prestressed concrete plate stake of design, to solve above-mentioned the asking of prior art existence Topic.
Technical scheme: a kind of water conservancy construction prestressed concrete plate stake, including concrete pile body be arranged on concrete-pile Internal bar-mat reinforcement, it is half arc convex that one end of described concrete pile body has cross section, and the other end is provided with and described half The arc-shaped recess portion that arc convex is adaptive；Described bar-mat reinforcement becomes cross-shaped and is arranged in concrete pile body, described reinforcing bar A part for net extends along the length direction of half arc convex, and the length direction of another part arcuately depressed part extends；With Parts by weight meter, the concrete proportioning in described concrete pile body is: cement 380-620, silicon ash 90-150, flyash 75-125, sand 420-580, stone 980-1100, agstone 11-23, auxiliary agent 8-15, water 240-280, haydite 15-35, Colophonium 3-6, methylcellulose 5-10, sepiolite fibre 5-10, titanium dioxide 5-10.
Preferably, described auxiliary agent is made up of the component of following parts by weight: water reducer 5-10, corrosion inhibitor 2-6, retarder 0.1-0.6、EVA 5-10。
Preferably, the structural formula of described water reducer is:
In formula, R1、R2、R3And R7For H or CH3, R4And R5For the one in H, CH3, isopropyl, R6 And R8Being phenyl ring for H or OH, Ph, A, B are divalent organic group；M is H or Na, and Z is Na+Or K+ Ion, a, b, c, d be respectively molar fraction during synthetic copolymer monomer, i.e. (1～3): (3～5): (1～2): (0.5～1.5)； Y is-CH2-, or-CH2CH(CH3)-；M is 40～80.
Preferably, the one during described retarder is hydroxy carboxylic acid, molasses retarder or lignin sulfonate retarder.
Preferably, described corrosion inhibitor be RI reinforcing steel bar corrosion inhibitor, JK-H2O compounded amino alcohol, COR anti-corrosive rust inhibitor, At least one in calcium acetate or sodium benzoate.
In a further embodiment, described concrete pile body periphery is additionally provided with corrosion-inhibiting coating, and described corrosion-inhibiting coating is by such as The component composition of lower parts by weight: polyvinyl alcohol 5-12, hydrolysis vinylon glue 45-55, blanc fixe 5-10, methyl are fine Dimension element 2-5, hydroxyethyl cellulose 3-5, methyl-silicone oil 3-8, elastic pure acrylate emulsion 150-200, hydrophobically modified Polyurethane associative thickener 20-25, polyvinyl acetate emulsion 15-25, Lauryl Alcohol ester 1-5.
Beneficial effect: implement the present invention, has arrangement of reinforcement reasonable, easy to assembly, the advantage that corrosion resistance is good.The present invention Be applicable to various hydraulic engineering constructions, in the hydraulic engineering construction in the areas such as the most coastal, salt lake, there is the life-span long, The measured advantage of matter.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention.
Detailed description of the invention
In the following description, a large amount of concrete details is given to provide more thorough understanding of the invention.But, It is obvious to the skilled person that the present invention can be able to reality without these details one or more Execute.In other example, in order to avoid obscuring with the present invention, for technical characteristics more well known in the art not It is described.The preferred embodiment of the present invention described in detail below, but, the present invention is not limited to above-mentioned embodiment party Detail in formula, in the technology concept of the present invention, can carry out multiple equivalent to technical scheme Conversion, these equivalents belong to protection scope of the present invention.
As it is shown in figure 1, the prestressed concrete plate stake of the water conservancy construction of the present invention, including concrete pile body 1 be arranged on Bar-mat reinforcement 4 in concrete-pile body, it is half arc convex 3 that one end of concrete pile body has cross section, and the other end is provided with The arc-shaped recess portion 2 adaptive with described half arc convex；Bar-mat reinforcement becomes cross-shaped and is arranged in concrete pile body, steel A part for muscle net extends along the length direction of half arc convex, and the length direction of another part arcuately depressed part extends； In terms of parts by weight, the concrete proportioning in concrete pile body is: cement 380-620, silicon ash 90-150, flyash 75-125, sand 420-580, stone 980-1100, agstone 11-23, auxiliary agent 8-15, water 240-280, haydite 15-35, Colophonium 3-6, methylcellulose 5-10, sepiolite fibre 5-10, titanium dioxide 5-10.
In a further embodiment, described auxiliary agent is made up of the component of following parts by weight: water reducer 5-10, corrosion inhibitor 2-6, retarder 0.1-0.6, EVA 5-10.
In a further embodiment, the structural formula of described water reducer is:
In formula, R1、R2、R3And R7For H or CH3, R4And R5For the one in H, CH3, isopropyl, R6 And R8Being phenyl ring for H or OH, Ph, A, B are divalent organic group；M is H or Na, and Z is Na+Or K+ Ion, a, b, c, d be respectively molar fraction during synthetic copolymer monomer, i.e. (1～3): (3～5): (1～2): (0.5～1.5)； Y is-CH2-, or-CH2CH(CH3)-；M is 40～80.
In a further embodiment, described retarder is hydroxy carboxylic acid, molasses retarder or lignin sulfonate slow setting One in agent.
In a further embodiment, described corrosion inhibitor is RI reinforcing steel bar corrosion inhibitor, JK-H2O compounded amino alcohol, COR At least one in anti-corrosive rust inhibitor, calcium acetate or sodium benzoate.
In a further embodiment, described concrete pile body periphery is additionally provided with corrosion-inhibiting coating, and described corrosion-inhibiting coating is by such as The component composition of lower parts by weight: polyvinyl alcohol 5-12, hydrolysis vinylon glue 45-55, blanc fixe 5-10, methyl are fine Dimension element 2-5, hydroxyethyl cellulose 3-5, methyl-silicone oil 3-8, elastic pure acrylate emulsion 150-200, hydrophobically modified Polyurethane associative thickener 20-25, polyvinyl acetate emulsion 15-25, Lauryl Alcohol ester 1-5.
Pile tube performance test
Experiment 1～experiment 6
Example 1 Example 2 Example 3 Example 4 Example 5 Example 6 Example 7
Cement 450 382 480 520 580 622 410
Silicon ash 110 92 145 136 152 124 105
Flyash 115 95 83 74 126 105 120
Sand 420 575 445 550 480 525 505
Stone 1005 990 985 1105 995 1100 980
Agstone 11.5 13.5 23 18.5 21.5 22.5 20.5
Auxiliary agent 9 12 15 10 8 14 13
Water 250 265 278 242 283 240 270
Haydite 18 25 22 15 28 35 32
Colophonium 3.5 5.5 4.5 3.2 4.8 5.8 6.0
Methylcellulose 6 8.8 7.5 5.2 9.5 10.1 6.5
Sepiolite fibre 6.5 8.2 7.6 9.5 7.8 5.5 8.8
Titanium oxide 6.8 7.5 8.3 9.2 10.1 6.2 9.6
Embodiment N1～embodiment N7, N is 1～5, and in N1, other components of each embodiment are identical, and the proportioning of auxiliary agent is not With.
When N is 1～5, the proportioning of auxiliary agent is as follows:
Water reducer 6.1, corrosion inhibitor (RI reinforcing steel bar corrosion inhibitor) 4.5, retarder (molasses retarder) 0.3, EVA 6.5.
Water reducer 9.2, corrosion inhibitor (sodium benzoate) 3.2, retarder (hydroxy carboxylic acid) 0.1, EVA 7.5.
Water reducer 5.1, corrosion inhibitor (RI reinforcing steel bar corrosion inhibitor) 5.1, retarder (molasses retarder) 0.2, EVA 8.5.
Water reducer 7.3, corrosion inhibitor (sodium benzoate) 2.2, retarder (lignin sulfonate retarder) 0.4, EVA 5.5。
Water reducer 10.3, corrosion inhibitor (JK-H2O compounded amino alcohol) 6.2, retarder (lignin sulfonate retarder) 0.5、EVA 10.5。
The experimental result of embodiment 11 to 17:
Example 11 Example 12 Example 13 Example 14 Example 15 Example 16 Example 17 Comparison
Comprcssive strength 118 116 142 128 155 179 160 65
Anti-folding rigidity 18.5 25.5 32.5 16.5 20.5 22.5 18.5 6.2
Ultimate bending moment 350 450 550 480 380 370 420 175
Tensile strength 5.65 6.75 7.25 8.50 7.55 5.55 8.25 4.3
Energy to failure 250 245 270.5 255 280 340 320 185
Anti-sulphates corrosive 220 130 190 180 150 220 175 50
Cl diffusion coefficient 1.35 1.10 1.45 1.05 1.20 1.35 1.35 2.4
Freeze proof number of times 180 175 165 150 170 155 160 66
Electric flux 450 620 480 380 420 550 580 850
The experimental result of embodiment 21 to 27:
The experimental result of embodiment 31 to 37:
Example 31 Example 32 Example 33 Example 34 Example 35 Example 36 Example 37 Comparison
Comprcssive strength 130 125 145 130 160 170 160 65
Anti-folding rigidity 18.5 22.5 32.5 20.5 20.5 22.5 26.5 6.2
Ultimate bending moment 380 445 570 540 380 420 480 175
Tensile strength 5.60 6.45 7.25 8.55 7.65 5.35 8.25 4.3
Energy to failure 260 255 270 255 280 325 340 185
Anti-sulphates corrosive 225 140 180 185 160 210 180 50
Cl diffusion coefficient 1.25 1.15 1.55 1.15 1.25 1.45 1.35 2.4
Freeze proof number of times 170 175 185 160 180 170 185 66
Electric flux 330 540 450 410 450 525 550 850
The experimental result of embodiment 41 to 47:
Example 41 Example 42 Example 43 Example 44 Example 45 Example 46 Example 47 Comparison
Comprcssive strength 130 125 145 140 170 180 165 65
Anti-folding rigidity 16.5 25.5 31.5 20.5 23.5 22.5 25.5 6.2
Ultimate bending moment 375 445 565 510 380 400 445 175
Tensile strength 5.25 6.35 7.25 8.55 7.25 6.25 8.25 4.3
Energy to failure 260 255 270 260 290 340 350 185
Anti-sulphates corrosive 240 150 210 190 165 240 210 50
Cl diffusion coefficient 1.25 1.15 1.40 1.25 1.25 1.55 1.35 2.4
Freeze proof number of times 155 175 170 160 170 180 155 66
Electric flux 325 560 440 395 450 540 580 850
The experimental result of embodiment 51 to 57:
The water reducer of the present invention has comb shaped structure, after the long-chain in molecule is solvated by water, has the most sterically hindered Effect；It is that disperse cement particles provides electrostatic repulsion effect with the sulfonic group/hydroxyl in molecular configurational.Both ensure that product Water-reducing rate that product are higher and the slump-loss of concrete, also ensure that concrete high-strength degree and excellent endurance quality, combines Conjunction performance is splendid.Alcoholic extract hydroxyl group on molecular side chain improves the solubility property of material, can build bridge at the most intermolecular its simultaneously Effect, forms layer structure, improves the combination property of product.
Experiment two, corrosion-inhibiting coating performance test
Method according to relevant criterion or specification is tested, and data are as follows:
The standard of alkali resistance experiment be non-foaming, do not chap, do not peel off.

Claims (6)

1. a water conservancy construction prestressed concrete plate stake, it is characterised in that include concrete pile body (1) and arrange Bar-mat reinforcement (4) in concrete-pile body, it is half arc convex (3) that one end of described concrete pile body has cross section, separately One end is provided with the arc-shaped recess portion (2) adaptive with described half arc convex；Described bar-mat reinforcement becomes cross-shaped and is arranged at In concrete pile body, a part for described bar-mat reinforcement extends along the length direction of half arc convex, and another part is the most recessed The length direction in the portion of falling into extends；In terms of parts by weight, the concrete proportioning in described concrete pile body is: cement 380-620, Silicon ash 90-150, flyash 75-125, sand 420-580, stone 980-1100, agstone 11-23, auxiliary agent 8-15, Water 240-280, haydite 15-35, Colophonium 3-6, methylcellulose 5-10, sepiolite fibre 5-10, titanium dioxide 5-10.
2. water conservancy construction prestressed concrete plate stake as claimed in claim 1, it is characterised in that described auxiliary agent by with The component composition of lower parts by weight: water reducer 5-10, corrosion inhibitor 2-6, retarder 0.1-0.6, EVA 5-10.
3. water conservancy construction prestressed concrete plate stake as claimed in claim 2, it is characterised in that described water reducer Structural formula is:
In formula, R1、R2、R3And R7For H or CH3, R4And R5For the one in H, CH3, isopropyl, R6 And R8Being phenyl ring for H or OH, Ph, A, B are divalent organic group；M is H or Na, and Z is Na+Or K+ Ion, a, b, c, d be respectively molar fraction during synthetic copolymer monomer, i.e. (1～3): (3～5): (1～2): (0.5～1.5)； Y is-CH2-, or-CH2CH(CH3)-；M is 40～80.
4. water conservancy construction prestressed concrete plate stake as claimed in claim 2, it is characterised in that described retarder is One in hydroxy carboxylic acid, molasses retarder or lignin sulfonate retarder.
5. water conservancy construction prestressed concrete plate stake as claimed in claim 2, it is characterised in that described corrosion inhibitor is In RI reinforcing steel bar corrosion inhibitor, JK-H2O compounded amino alcohol, COR anti-corrosive rust inhibitor, calcium acetate or sodium benzoate at least one Kind.
6. the prestressed concrete plate stake of the water conservancy construction as described in any one of claim 3 to 5, it is characterised in that institute Stating concrete pile body periphery and be additionally provided with corrosion-inhibiting coating, described corrosion-inhibiting coating is made up of the component of following parts by weight: poly-second Enol 5-12, hydrolysis vinylon glue 45-55, blanc fixe 5-10, methylcellulose 2-5, hydroxyethyl cellulose 3-5, Methyl-silicone oil 3-8, elastic pure acrylate emulsion 150-200, hydrophobically modified polyurethane associative thickener 20-25, poly- Acetate emulsion 15-25, Lauryl Alcohol ester 1-5.
CN201610204019.7A 2016-04-01 2016-04-01 Water conservancy construction prestressed concrete plate stake Active CN105862723B (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106498931A (en) * 2016-11-03 2017-03-15 河海大学 A kind of oblique V-type reinforced concrete sheet pile
CN113683358A (en) * 2021-08-02 2021-11-23 青岛诚通建筑工程有限公司 Construction process of reinforced concrete
CN115073702A (en) * 2021-10-08 2022-09-20 长沙理工大学 Organic silicon modified polyurethane side chain macromonomer and synthesis method thereof

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103224356A (en) * 2013-02-07 2013-07-31 黄贺明 Green environmentally-friendly powder reinforced concrete water delivery pipe
CN204225084U (en) * 2014-09-02 2015-03-25 谈维汉 A kind of hollow sheet pile
CN204311434U (en) * 2014-11-04 2015-05-06 宁波高新区围海工程技术开发有限公司 A kind of precast concrete combination sheet pile
CN104878743A (en) * 2015-03-24 2015-09-02 中交上海三航科学研究院有限公司 Prestressed reinforced concrete pile foundation anticorrosive material for oceaneering and its construction method
CN104909599A (en) * 2015-06-08 2015-09-16 江苏东浦管桩有限公司 Novel polycarboxylic acid water reducing agent and preparation method thereof, water reducing composition and concrete
CN204849734U (en) * 2015-08-25 2015-12-09 福建中拓建材有限公司 Prefabricated sheet pile and manger plate fender building structure for soil
CN204959729U (en) * 2015-08-31 2016-01-13 韦文武 Hollow sheet pile of prestressed concrete
CN105256791A (en) * 2015-11-18 2016-01-20 黄贺明 Concrete tubular pile for oceans

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103224356A (en) * 2013-02-07 2013-07-31 黄贺明 Green environmentally-friendly powder reinforced concrete water delivery pipe
CN204225084U (en) * 2014-09-02 2015-03-25 谈维汉 A kind of hollow sheet pile
CN204311434U (en) * 2014-11-04 2015-05-06 宁波高新区围海工程技术开发有限公司 A kind of precast concrete combination sheet pile
CN104878743A (en) * 2015-03-24 2015-09-02 中交上海三航科学研究院有限公司 Prestressed reinforced concrete pile foundation anticorrosive material for oceaneering and its construction method
CN104909599A (en) * 2015-06-08 2015-09-16 江苏东浦管桩有限公司 Novel polycarboxylic acid water reducing agent and preparation method thereof, water reducing composition and concrete
CN204849734U (en) * 2015-08-25 2015-12-09 福建中拓建材有限公司 Prefabricated sheet pile and manger plate fender building structure for soil
CN204959729U (en) * 2015-08-31 2016-01-13 韦文武 Hollow sheet pile of prestressed concrete
CN105256791A (en) * 2015-11-18 2016-01-20 黄贺明 Concrete tubular pile for oceans

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106498931A (en) * 2016-11-03 2017-03-15 河海大学 A kind of oblique V-type reinforced concrete sheet pile
CN113683358A (en) * 2021-08-02 2021-11-23 青岛诚通建筑工程有限公司 Construction process of reinforced concrete
CN115073702A (en) * 2021-10-08 2022-09-20 长沙理工大学 Organic silicon modified polyurethane side chain macromonomer and synthesis method thereof

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