CN104556855A - Antiseismic anti-cracking prefabricated concrete square pile - Google Patents
Antiseismic anti-cracking prefabricated concrete square pile Download PDFInfo
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- CN104556855A CN104556855A CN201410733586.2A CN201410733586A CN104556855A CN 104556855 A CN104556855 A CN 104556855A CN 201410733586 A CN201410733586 A CN 201410733586A CN 104556855 A CN104556855 A CN 104556855A
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Abstract
The invention discloses an antiseismic anti-cracking prefabricated concrete square pile. The antiseismic anti-cracking prefabricated concrete square pile is characterized in that concrete of per cubic meter of the square pile is prepared from the following raw materials in parts by weight: 125-135 parts of pebble, 350-480 parts of yellow sand, 98-102 parts of water reducing agent, 210-250 parts of cement, 34-45 parts of antiseismic mixture and 20-80 parts of anti-cracking polymer fiber mixture. The antiseismic anti-cracking prefabricated concrete square pile disclosed by the invention is fabricated by mixing the pebble, yellow sand, a water reducing agent, cement, an antiseismic mixture and an anti-cracking polymer fiber mixture at an appropriate ratio, so that the antiseismic anti-cracking properties of the concrete are improved, and therefore the antiseismic and anti-cracking properties of the prefabricated pile and a pile foundation made of the concrete are improved; moreover, the service life of the prefabricated pile and the pile foundation in a corrosive medium or environment is prolonged, and the safety of a building is ensured.
Description
Technical field
The present invention relates to a kind of seismic crack precast concrete square pile, belong to building material field.
Background technology
In building foundation engineering, precast concrete pile pile body cross-sectional shape mainly contains the prefabricated concrete pipe pile of rounded section and the precast concrete square pile in square or rectangular cross section.Since the nineties in last century, along with the stdn of prefabricated concrete pipe pile and the development of production and operating technique, foundation works is approved widely to pile tube product, in Practical Project, pile tube product has its significant superiority, but not enough in the following aspects performance: 1. pile tube is external circular structure, not easily help in transport to prick, fix; 2. because tubular pile body exists certain ovality, adopt when embracing pressure construction and easily occur that pile body embraces broken accident; 3. pile tube is after soft soil foundation construction, when excavation of foundation pit, easily occurs that stake position tilts; 4. the cushion cap of pipe pile foundation is large compared with square pile, and basic cost is more high.
Compared with onsite concrete, to research and the correlation technique exploitation wretched insufficiency of precast concrete erosion resistance, weather resistance.2006, the research completed by Zhongshan Sanhe Building Materials Co., Ltd., Shenzhen Graduate School of Tsinghua University, material engineering institute of Tongji University is thought, at present, widely usedly mix levigate sand, adopt the weather resistance of the prestress high intensity concrete stake of steam pressure explained hereafter lower, under drying and watering cycle condition should not be used for, have the pile foundation engineering that freeze proof, chloride-penetration resistance and sulphate corrosion etc. require.Such as Chinese patent CN 101880140 A discloses a kind of high-strength concrete of square pile, in the concrete of described every cubic metre of square pile, the charged material weight of each raw material is stone 1250 ~ 1350kg respectively, yellow ground 650 ~ 680kg, water reducer 9.8 ~ 10.2kg, it is characterized in that: cement 310 ~ 330kg, silica flour 135 ~ 145kg; SiO in described silica flour
2mass content>=95%, the specific surface area of silica flour is 4000 ~ 5000cm
2/ g.Its advantage is; square pile and the concrete performance of square pile thereof of the mixing silica obtained meet and exceed the square pile of former not mixing silica and concrete performance thereof; concrete basicity can be improved; be conducive to the alkalescence protection of reinforcing bar; its shortcoming is the related specifications and the standard that do not meet concrete anti-earthquake aspect; market has various concrete additive, but effect is not but very remarkable, cannot solve concrete be subject to load effect under cracking phenomena.
Summary of the invention
The object of the invention is to for deficiency of the prior art, a kind of seismic crack precast concrete square pile is provided, improve the antidetonation, the anti crack performance that use this concrete premculded pile and pile foundation, and the work-ing life in corrosive medium or environment, ensure the security of buildings.
For solving the problems of the technologies described above, the technical solution used in the present invention is: a kind of seismic crack precast concrete square pile, its innovative point is: in the concrete of every cubic metre of square pile, the charged material weight of each raw material is respectively: 125 parts ~ 135 parts, stone, yellow ground 350 parts ~ 480 parts, water reducer 98 parts ~ 102 parts, cement 210 parts ~ 250 parts, antidetonation compound 34 parts ~ 45 parts and 20 parts ~ 80 parts, anticracking polymer fiber mixture.
Further, in the concrete of every cubic metre of square pile, the charged material weight of each raw material is respectively: 130 parts, stone, yellow ground 380 parts, water reducer 100 parts, cement 235 parts, antidetonation compound 41 parts and 56 parts, anticracking polymer fiber mixture.
Further, each raw material weight component during preparation of described antidetonation compound is: the industrial aluminum sulphate of 16 ~ 26 parts, the sodium lauryl sulphate of 1 ~ 5 part, 18 ~ 35 parts silicon ash, the anhydrite of 20 ~ 38 parts, the sulfoaluminate clinker of 14 ~ 25 parts.
Further, each raw material weight component during preparation of described antidetonation compound be 23 parts industrial aluminum sulphate, 3 parts sodium lauryl sulphate, 24 parts silicon ash, the anhydrite of 27 parts, the sulfoaluminate clinker of 19 parts.
Further, described water reducer is any one or the mixture several arbitrarily in hydrated barta, Trisodium Citrate, boric acid, Sodium hexametaphosphate 99, Sodium Benzoate, Sodium dodecylbenzene sulfonate.
Further, described anticracking polymer fiber mixture preparation raw material component and weight part thereof are the POLYPROPYLENE GLYCOL fiber of 70 ~ 80 parts and the polybutene fiber of 20 ~ 30 parts.
Beneficial effect of the present invention is as follows:
(1) seismic crack precast concrete square pile of the present invention, adopt the dosage ratio of appropriate amount, merge stone, yellow ground, water reducer, cement, antidetonation compound and anticracking polymer fiber mixture in one, improve concrete seismic crack performance, thus improve the antidetonation, the anti crack performance that use this concrete premculded pile and pile foundation, and the work-ing life in corrosive medium or environment, ensure the security of buildings.
(2) seismic crack precast concrete square pile of the present invention, in the concrete of every cubic metre of square pile, the preferred charged material weight of each raw material is respectively 130 parts, stone, yellow ground 380 parts, water reducer 100 parts, cement 235 parts, antidetonation compound 41 parts and 56 parts, anticracking polymer fiber mixture, can reach in the low condition of lowest production cost, produce top quality seismic crack concrete square pile.
(3) in seismic crack precast concrete square pile of the present invention, each raw material during specific selection antidetonation compound preparation and suitable composition by weight proportioning thereof, seismic degree more than 8 degree, meets the requirement of the environment of the requirement of relevant speciality specification and code and foundation works, geologic condition reply concrete square pile.
(4) seismic crack precast concrete square pile of the present invention, water reducer is any one or mixtures several arbitrarily in hydrated barta, Trisodium Citrate, boric acid, Sodium hexametaphosphate 99, Sodium Benzoate, Sodium dodecylbenzene sulfonate, prepare and test through repetition test, the selection of water reducer is best suited for the demand of product of the present invention, and raw material is easy to get, nontoxic, environmental pollution impact is little.
(5) seismic crack precast concrete square pile of the present invention, anticracking polymer fiber mixture preparation raw material component and weight part thereof are the POLYPROPYLENE GLYCOL fiber of 70 ~ 80 parts and the polybutene fiber of 20 ~ 30 parts, anticracking degree more than 8 degree, meets the requirement of the environment of the requirement of relevant speciality specification and code and foundation works, geologic condition reply concrete square pile.
Embodiment
Below in conjunction with specific embodiment, technical scheme of the present invention is elaborated.
Embodiment 1
A kind of seismic crack precast concrete square pile, in the concrete of every cubic metre of square pile, the charged material weight of each raw material is respectively: 125 parts, stone, yellow ground 350 parts, water reducer 98 parts, cement 210 parts, antidetonation compound 34 parts and 20 parts, anticracking polymer fiber mixture.
Concrete, each raw material weight component during preparation of antidetonation compound is: the industrial aluminum sulphate of 16 parts, the sodium lauryl sulphate of 1 part, 18 parts silicon ash, the anhydrite of 20 parts, the sulfoaluminate clinker of 14 parts.
Concrete, water reducer is hydrated barta.
On this basis, the selection of water reducer, not only in this, can also select any one or the mixtures several arbitrarily in Trisodium Citrate, boric acid, Sodium hexametaphosphate 99, Sodium Benzoate, Sodium dodecylbenzene sulfonate.
Concrete, anticracking polymer fiber mixture preparation raw material component and weight part thereof are the POLYPROPYLENE GLYCOL fiber of 70 parts and the polybutene fiber of 20 parts.
The seismic crack precast concrete square pile of the present embodiment, adopts the dosage ratio of appropriate amount, thus improves the antidetonation, the anti crack performance that use this concrete premculded pile and pile foundation, and the work-ing life in corrosive medium or environment, ensure the security of buildings.Seismic degree, anticracking degree more than 8 degree, meets the requirement of the environment of the requirement of relevant speciality specification and code and foundation works, geologic condition reply concrete square pile.
Embodiment 2
On the basis of embodiment 1, a kind of seismic crack precast concrete square pile, the charged material weight changing each raw material in the concrete of every cubic metre of square pile is respectively: 135 parts, stone, yellow ground 480 parts, water reducer 102 parts, cement 250 parts, antidetonation compound 45 parts and 80 parts, anticracking polymer fiber mixture.
Concrete, each raw material weight component when changing the preparation of antidetonation compound is: the industrial aluminum sulphate of 26 parts, the sodium lauryl sulphate of 5 parts, 35 parts silicon ash, the anhydrite of 38 parts, the sulfoaluminate clinker of 25 parts.
Concrete, change anticracking polymer fiber mixture preparation raw material component and weight part thereof are the POLYPROPYLENE GLYCOL fiber of 80 parts and the polybutene fiber of 30 parts.
Embodiment 3
On the basis of embodiment 1 or 2, the charged material weight changing each raw material in the concrete of every cubic metre of square pile is respectively: 130 parts, stone, yellow ground 380 parts, water reducer 100 parts, cement 235 parts, antidetonation compound 41 parts and 56 parts, anticracking polymer fiber mixture.
Concrete, each raw material weight component when changing the preparation of antidetonation compound be 23 parts industrial aluminum sulphate, 3 parts sodium lauryl sulphate, 24 parts silicon ash, the anhydrite of 27 parts, the sulfoaluminate clinker of 19 parts.
Use the performance index of the seismic crack hollow square pile of the concrete for making of embodiment 1,2,3 as follows:
As seen from the above table, use the hollow square pile of the concrete for making of the present embodiment, its seismic crack performance have also been obtained obvious lifting, and work-ing life in the environment also extends greatly, especially the best results of embodiment 3.
More than show and describe ultimate principle of the present invention and principal character and advantage of the present invention.The technician of the industry should understand; the present invention is not restricted to the described embodiments; what describe in above-described embodiment and specification sheets just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.Application claims protection domain is defined by appending claims and equivalent thereof.
Claims (6)
1. a seismic crack precast concrete square pile, it is characterized in that: in the concrete of every cubic metre of square pile, the charged material weight of each raw material is respectively: 125 parts ~ 135 parts, stone, yellow ground 350 parts ~ 480 parts, water reducer 98 parts ~ 102 parts, cement 210 parts ~ 250 parts, antidetonation compound 34 parts ~ 45 parts and 20 parts ~ 80 parts, anticracking polymer fiber mixture.
2. seismic crack precast concrete square pile according to claim 1, it is characterized in that: in the concrete of every cubic metre of square pile, the charged material weight of each raw material is respectively: 130 parts, stone, yellow ground 380 parts, water reducer 100 parts, cement 235 parts, antidetonation compound 41 parts and 56 parts, anticracking polymer fiber mixture.
3. seismic crack precast concrete square pile according to claim 1 and 2, is characterized in that: each raw material weight component during preparation of described antidetonation compound is: the industrial aluminum sulphate of 16 ~ 26 parts, the sodium lauryl sulphate of 1 ~ 5 part, 18 ~ 35 parts silicon ash, the anhydrite of 20 ~ 38 parts, the sulfoaluminate clinker of 14 ~ 25 parts.
4. seismic crack precast concrete square pile according to claim 3, is characterized in that: each raw material weight component during preparation of described antidetonation compound be 23 parts industrial aluminum sulphate, 3 parts sodium lauryl sulphate, 24 parts silicon ash, the anhydrite of 27 parts, the sulfoaluminate clinker of 19 parts.
5. seismic crack precast concrete square pile according to claim 1 and 2, is characterized in that: described water reducer is any one or mixtures several arbitrarily in hydrated barta, Trisodium Citrate, boric acid, Sodium hexametaphosphate 99, Sodium Benzoate, Sodium dodecylbenzene sulfonate.
6. seismic crack precast concrete square pile according to claim 1 and 2, is characterized in that: described anticracking polymer fiber mixture preparation raw material component and weight part thereof are the POLYPROPYLENE GLYCOL fiber of 70 ~ 80 parts and the polybutene fiber of 20 ~ 30 parts.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410733586.2A CN104556855B (en) | 2014-12-05 | 2014-12-05 | A kind of seismic crack precast concrete square pile |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410733586.2A CN104556855B (en) | 2014-12-05 | 2014-12-05 | A kind of seismic crack precast concrete square pile |
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| CN104556855A true CN104556855A (en) | 2015-04-29 |
| CN104556855B CN104556855B (en) | 2016-09-21 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105330252A (en) * | 2015-12-15 | 2016-02-17 | 苏州万盛混凝土有限公司 | Concrete tubular pile |
| CN108516757A (en) * | 2018-03-30 | 2018-09-11 | 湖州五石科技有限公司 | A kind of seismic crack concrete |
| CN110482924A (en) * | 2019-09-24 | 2019-11-22 | 滁州市富邦新型建材有限公司 | A kind of high anti-crack concrete of degree of adhesion |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1410238A (en) * | 2002-11-18 | 2003-04-16 | 蒋元海 | Manufacturing method of polypropylene fiber reinforced prefabricated steel concrete square pole |
| CN101880140A (en) * | 2010-06-04 | 2010-11-10 | 缪立军 | Square pile high strength concrete |
| CN103332890A (en) * | 2013-05-30 | 2013-10-02 | 上海大禺预制构件有限公司 | Corrosion-resistant hollow square pile concrete |
-
2014
- 2014-12-05 CN CN201410733586.2A patent/CN104556855B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1410238A (en) * | 2002-11-18 | 2003-04-16 | 蒋元海 | Manufacturing method of polypropylene fiber reinforced prefabricated steel concrete square pole |
| CN101880140A (en) * | 2010-06-04 | 2010-11-10 | 缪立军 | Square pile high strength concrete |
| CN103332890A (en) * | 2013-05-30 | 2013-10-02 | 上海大禺预制构件有限公司 | Corrosion-resistant hollow square pile concrete |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105330252A (en) * | 2015-12-15 | 2016-02-17 | 苏州万盛混凝土有限公司 | Concrete tubular pile |
| CN108516757A (en) * | 2018-03-30 | 2018-09-11 | 湖州五石科技有限公司 | A kind of seismic crack concrete |
| CN110482924A (en) * | 2019-09-24 | 2019-11-22 | 滁州市富邦新型建材有限公司 | A kind of high anti-crack concrete of degree of adhesion |
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| Publication number | Publication date |
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| CN104556855B (en) | 2016-09-21 |
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Granted publication date: 20160921 Termination date: 20181205 |