CN101581093B - Composite high performance soil cement mortar pile construction method - Google Patents
Composite high performance soil cement mortar pile construction method Download PDFInfo
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- CN101581093B CN101581093B CN2009100626495A CN200910062649A CN101581093B CN 101581093 B CN101581093 B CN 101581093B CN 2009100626495 A CN2009100626495 A CN 2009100626495A CN 200910062649 A CN200910062649 A CN 200910062649A CN 101581093 B CN101581093 B CN 101581093B
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- high performance
- composite high
- cement mortar
- soil cement
- performance soil
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- 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 composite high performance soil cement mortar pile construction method, comprising the following steps: 1) adopting a long spiral equipment, a sinking pipe equipment or a rotary drilling equipment to form holes, or adopting a continuous wall equipment to form grooves; 2) mixing outside the hole to form composite high performance soil cement mortar; 3) pouring or pressingthe above composite high performance soil cement mortar in the holes or grooves by a grouting pump; the method is characterized in that: the soil cement mortar is composed of slurry, cement and sand,the sand mixed in every cubic meter of slurry is 150-1000 kg, and the cement mixed in every cubic meter of slurry is 150-400 kg. The invention has the advantages that: the strength and impermeabilityof soil cement can be increased on the condition of low cost and at the same time a novel material--composite high performance soil cement mortar is produced.
Description
Technical field
The present invention relates to civil construction, municipal engineering field, relate in particular to a kind of job practices of composite high performance soil cement mortar pile.
Background technology
Traditional cement-soil (as powder spray piling, slurry spray stake, high-pressure rotary jet grouting pile) is curing compound (underground) stirred mixture in the hole of undisturbed soil and cement system, and, can not spray into granular material underground.Under equal conditions, the raising of soil cement intensity relies on the raising of cement intensity and cement mixing content, and its shortcoming is that cost is higher, and (underground) stirring concrete earth is inhomogeneous in the hole, is prone to the common quality defect of " multi-layer steamed bread ", " egg core ".
High-performance cement soil in the job practices (CN1641111) of patent of invention---high-performance cement soil stake is mud and curing compound and additive stirred mixture outside the hole.The raising of soil cement intensity relies on the performance of cement intensity and cement mixing content and additive, and than traditional cement-soil (as powder spray piling, slurry spray stake, high-pressure rotary jet grouting pile) good uniformity and intensity height, but its shortcoming is that cost is higher.
Traditional cement mortar is used to whitewash metope as levelling and waterproof usefulness, is that mud content in the sand can not be greater than 3--5% to the raw-material requirement of cement mortar.
Summary of the invention
The objective of the invention is for solving the deficiency that the above-mentioned background technology exists, propose the job practices of a kind of intensity height, anti-permeability performance is good, cost is low composite high performance soil cement mortar pile.
For achieving the above object, this aspect adopts following technical scheme: the job practices of composite high performance soil cement mortar pile, and this method is made up of following steps: 1) adopt long spiral equipment, immersed tube equipment or revolve and dig the equipment pore-forming or adopt the diaphragm wall device grooving; 2) outside the hole, stir into composite high performance soil cement mortar; 3) with grouting pump above-mentioned composite high performance soil cement mortar is injected or be pressed in above-mentioned hole or the groove, it is characterized in that described composite high performance soil cement mortar comprises mud, cement and sand, every m
3Mix sand 150～1000kg in the mud, cement 150～400kg.
Described composite high performance soil cement mortar also comprises gypsum, and the gypsum incorporation is 5%～50% of a cement weight.
Described composite high performance soil cement mortar also comprises flyash, and fly-ash-contained is 5%～50% of cement weight.
Described composite high performance soil cement mortar also comprises lime, and the lime incorporation is 5%～50% of a cement weight.
Described composite high performance soil cement mortar also comprises flyash and gypsum, and total incorporation of flyash and gypsum is 5%～50% of a cement weight.
Described composite high performance soil cement mortar also comprises flyash and lime, and total incorporation of flyash and lime is 5%～50% of a cement weight.
Described composite high performance soil cement mortar also comprises gypsum and lime, and total incorporation of lime and gypsum is 5%～50% of a cement weight.
Described composite high performance soil cement mortar also comprises flyash, gypsum and lime, and total incorporation of flyash, lime and gypsum is 5%～50% of a cement weight.
The synthetic fibers, chemical fibre, bamboo fibre that also mix the 0.2-5% of cement weight in the described composite high performance soil cement mortar are or/and glass fiber.
In such scheme, after step 3), can also in the composite high performance soil cement mortar in hole or the groove, insert stressed core.
The present invention improves the composition material of cement-soil, a kind of composite high performance soil cement mortar pile is proposed, promptly in the high-performance cement soil paste, mix an amount of sand (medium coarse sand, fine sand, powder fine sand), sand and gypsum, sand and flyash, sand and lime, or mix sand, gypsum and flyash or sand, lime and flyash etc. simultaneously; In the high-performance cement soil paste, mix sand or gypsum or lime or flyash merely and all can under the condition that does not increase cement consumption, improve the intensity of cement-soil; In the high-performance cement soil paste, mix intensity and anti-permeability performance that said mixtures such as sand (medium coarse sand, fine sand, powder fine sand), lime, gypsum and flyash also can improve cement-soil simultaneously; For improving the intensity and the anti-permeability performance of composite high performance soil cement mortar pile, also can mix synthetic fibers, chemical fibre, bamboo fibre, the glass fiber of the 0.2-5% of cement weight therein; For improving the early strength and the anti-permeability performance of composite high performance soil cement mortar pile, also can mix early strength admixture such as water glass, ethylenediamine, epoxy resin etc. therein.
Advantage of the present invention is to improve the intensity and the anti-permeability performance of cement-soil under the low situation of cost, has produced a kind of new material---composite high performance soil cement mortar simultaneously.
Civil engineerings such as composite high performance soil cement mortar pile of the present invention is applicable to that ground is handled, the supporting of the underground space and sealing, dyke antiseepage, building.
The specific embodiment
Embodiment 1: the described method of present embodiment is made up of following steps: 1) adopt long spiral equipment, immersed tube equipment or revolve and dig the equipment pore-forming or adopt the diaphragm wall device grooving; 2) outside the hole, stir into composite high performance soil cement mortar; 3) with grouting pump above-mentioned composite high performance soil cement mortar is injected or be pressed in above-mentioned hole or the groove.Described composite high performance soil cement mortar comprises curing compound such as mud, cement, sand and additive etc.Every m
3Mix sand 150～1000kg in the mud, cement 150～400kg.Described sand is medium coarse sand, powder fine sand or fine sand.Because the increase of aggregate, make on the basis that does not increase cement consumption, according to the difference of the incorporation of cement, additive and sand, composite high performance soil cement mortar pile can increase by 5%～30% (intensity is 1.5-7MPa) than the intensity of cement-soil, and cost reduces.
Embodiment 2: the method for present embodiment and embodiment 1 is basic identical, and difference is to mix sand and gypsum simultaneously in described composite high performance soil cement mortar, as every m
3Mix sand 150～1000kg in the mud, cement 150～400kg, gypsum incorporation are 5%～50% of cement weight, and composite high performance soil cement mortar pile can increase by 5%～30% (intensity is 1.5-7MPa) than the intensity of cement-soil, and cost reduces.
Embodiment 3: the method for present embodiment and embodiment 1 is basic identical, and difference is to mix sand and flyash simultaneously in described composite high performance soil cement mortar, as every m
3Mix sand 150～1000kg in the mud, cement 150～400kg, fly-ash-contained is 5%～50% of cement weight, difference according to the incorporation of cement, additive and sand, composite high performance soil cement mortar pile can increase by 5%～30% (intensity is 1.5-7MPa) than the intensity of cement-soil, and cost reduces.
Embodiment 4: the method for present embodiment and embodiment 1 is basic identical, and difference is to mix sand and lime simultaneously in described composite high performance soil cement mortar, as every m
3Mix sand 150～1000kg in the mud, cement 150～400kg, the lime incorporation is 5%～50% of a cement weight, difference according to the incorporation of cement, additive and sand, composite high performance soil cement mortar pile can increase by 5%～30% (intensity is 1.5-7MPa) than the intensity of cement-soil, and cost reduces.
Embodiment 5: the method for present embodiment and embodiment 1 is basic identical, and difference is to mix sand, flyash and gypsum in described composite high performance soil cement mortar, as every m
3Mix sand 150～1000kg in the mud, cement 150～400kg, total incorporation of flyash and gypsum is 5%～50% of a cement weight, difference according to the incorporation of cement, additive and sand, composite high performance soil cement mortar pile can increase by 5%～30% (intensity is 1.5-7MPa) than the intensity of cement-soil, and cost reduces.
Embodiment 6: the method for present embodiment and embodiment 1 is basic identical, and difference is to mix sand, flyash and lime in described composite high performance soil cement mortar, as every m
3Mix sand 150～1000kg in the mud, cement 150～400kg, total incorporation of flyash and lime is 5%～50% of a cement weight, difference according to the incorporation of cement, additive and sand, composite high performance soil cement mortar pile can increase by 5%～30% (intensity is 1.5-7MPa) than the intensity of cement-soil, and cost reduces.
Embodiment 7: the method for present embodiment and embodiment 1 is basic identical, and difference is to mix sand, lime and gypsum in described composite high performance soil cement mortar, as every m
3Mix sand 150～1000kg in the mud, cement 150～400kg, total incorporation of lime and gypsum is 5%～50% of a cement weight, difference according to the incorporation of cement, additive and sand, composite high performance soil cement mortar pile can increase by 5%～30% (intensity is 1.5-7MPa) than the intensity of cement-soil, and cost reduces.
Embodiment 8: the method for present embodiment and embodiment 1 is basic identical, and difference is to mix sand, flyash, lime and gypsum in described composite high performance soil cement mortar, as every m
3Mix sand 150～1000kg in the mud, cement 150～400kg, total incorporation of flyash, lime, gypsum is 5%～50% of a cement weight, difference according to the incorporation of cement, additive and sand, composite high performance soil cement mortar pile can increase by 5%～30% (intensity is 1.5-7MPa) than the intensity of cement-soil, and cost reduces.
Embodiment 10: the method for present embodiment and embodiment 1 is basic identical, difference is, be further to improve the intensity and the anti-permeability performance of composite high performance soil cement mortar pile, comprise synthetic fibers, chemical fibre, bamboo fibre, the glass fiber of the 0.2-5% that mixes cement weight in the mud at described composite high performance soil cement mortar.
Embodiment 11: the method for present embodiment and embodiment 1 is basic identical, difference is, be to improve the early strength and the anti-permeability performance of composite high performance soil cement mortar pile, comprise at described composite high performance soil cement mortar and mix early strength admixture such as water glass, ethylenediamine, epoxy resin etc. in the mud.
Embodiment 12: the method for present embodiment and embodiment 1 is basic identical, and difference is, inserts stressed core in the composite high performance soil cement mortar after step 3) in hole or groove.
Claims (10)
1. the job practices of composite high performance soil cement mortar pile, this method is made up of following steps: 1) adopt long spiral equipment, immersed tube equipment or revolve and dig equipment pore-forming or the grooving of employing diaphragm wall device; 2) outside hole or groove, stir into composite high performance soil cement mortar; 3) with grouting pump above-mentioned composite high performance soil cement mortar is injected or be pressed in above-mentioned hole or the groove, it is characterized in that described composite high performance soil cement mortar comprises mud, cement and sand, every m
3Mix sand 150～1000kg in the mud, cement 150～400kg.
2. according to the job practices of the described composite high performance soil cement mortar pile of claim 1, it is characterized in that also comprising in the described composite high performance soil cement mortar gypsum, the gypsum incorporation is 5%～50% of a cement weight.
3. according to the job practices of the described composite high performance soil cement mortar pile of claim 1, it is characterized in that also comprising in the described composite high performance soil cement mortar flyash, fly-ash-contained is 5%～50% of cement weight.
4. according to the job practices of the described composite high performance soil cement mortar pile of claim 1, it is characterized in that also comprising in the described composite high performance soil cement mortar lime, the lime incorporation is 5%～50% of a cement weight.
5. according to the job practices of the described composite high performance soil cement mortar pile of claim 1, it is characterized in that also comprising in the described composite high performance soil cement mortar flyash and gypsum, total incorporation of flyash and gypsum is 5%～50% of a cement weight.
6. according to the job practices of the described composite high performance soil cement mortar pile of claim 1, it is characterized in that also comprising in the described composite high performance soil cement mortar flyash and lime, total incorporation of flyash and lime is 5%～50% of a cement weight.
7. according to the job practices of the described composite high performance soil cement mortar pile of claim 1, it is characterized in that also comprising in the described composite high performance soil cement mortar gypsum and lime, total incorporation of lime and gypsum is 5%～50% of a cement weight.
8. the job practices of composite high performance soil cement mortar pile according to claim 1, it is characterized in that also comprising in the described composite high performance soil cement mortar flyash, gypsum and lime, total incorporation of flyash, lime and gypsum is 5%～50% of a cement weight.
9. according to the job practices of the described composite high performance soil cement mortar pile of arbitrary claim in the claim 1 to 8, the chemical fibre, bamboo fibre that it is characterized in that also mixing in the described composite high performance soil cement mortar 0.2-5% of cement weight are or/and glass fiber.
10. according to the job practices of the described composite high performance soil cement mortar pile of arbitrary claim in the claim 1 to 8, it is characterized in that after step 3), inserting in the composite high performance soil cement mortar in hole or groove stressed core.
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| CN2009100626495A CN101581093B (en) | 2009-06-09 | 2009-06-09 | Composite high performance soil cement mortar pile construction method |
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| CN2009100626495A CN101581093B (en) | 2009-06-09 | 2009-06-09 | Composite high performance soil cement mortar pile construction method |
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| CN101581093B true CN101581093B (en) | 2010-12-29 |
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Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101709579B (en) * | 2009-12-03 | 2011-12-07 | 福建永强岩土工程有限公司 | Construction method of conjoined mortar piling wall |
| CN104131564B (en) * | 2013-05-27 | 2017-03-01 | 北京振冲工程机械有限公司 | Vibroflotation powder sprays the stake technique processed of broken stone pile and its stake vibroflotation equipment processed |
| CN103351126A (en) * | 2013-07-09 | 2013-10-16 | 华侨大学 | A kind of new concrete slurry material and preparation method thereof |
| CN103758131A (en) * | 2014-01-03 | 2014-04-30 | 东南大学 | Glass fiber concrete mixing pile for supporting structure and construction method |
| CN103833297B (en) * | 2014-01-07 | 2015-06-10 | 清华大学 | High performance cement soil and preparation method thereof |
| CN104564113B (en) * | 2015-01-15 | 2016-08-17 | 山东科技大学 | The construction method of roadway surrounding rock fiber slurry grouting and reinforcing |
| CN105969367B (en) * | 2016-05-13 | 2017-10-10 | 王继忠 | A kind of premixing high strength cement soil |
| CN106673524B (en) * | 2016-12-27 | 2018-11-20 | 广州市建筑科学研究院有限公司 | A kind of mortar and preparation method thereof of saline-alkali tolerant cracking resistance |
| CN109467369B (en) * | 2018-12-29 | 2021-10-12 | 杭州亚太建设监理咨询有限公司 | Extruded side wall concrete and preparation method thereof |
| CN112299796B (en) * | 2020-12-01 | 2022-04-08 | 宁波中淳高科股份有限公司 | Wall pile inter-pile grouting material for building envelope and construction method thereof |
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