CN104310933A - Sandy-spoil-based C30 slope-protection brick mixture ratio and preparation method of slope-protection brick - Google Patents

Sandy-spoil-based C30 slope-protection brick mixture ratio and preparation method of slope-protection brick Download PDF

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Publication number
CN104310933A
CN104310933A CN201410534488.6A CN201410534488A CN104310933A CN 104310933 A CN104310933 A CN 104310933A CN 201410534488 A CN201410534488 A CN 201410534488A CN 104310933 A CN104310933 A CN 104310933A
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CN
China
Prior art keywords
spoir
grittiness
parts
slope
spoil
Prior art date
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Pending
Application number
CN201410534488.6A
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Chinese (zh)
Inventor
陶桂兰
江朝华
束梁
冯兴国
朱志杰
范俊燕
朱召泉
朱瑞虎
庄宁
祁华希
马杰
秦力
龚伟杰
周清泉
董光辉
宋云涛
谭彬政
阮健
姚子顺
姚祎雯
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hohai University HHU
Nanjing Changjiang Waterway Engineering Bureau
Original Assignee
Hohai University HHU
Nanjing Changjiang Waterway Engineering Bureau
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Publication date
Application filed by Hohai University HHU, Nanjing Changjiang Waterway Engineering Bureau filed Critical Hohai University HHU
Priority to CN201410534488.6A priority Critical patent/CN104310933A/en
Publication of CN104310933A publication Critical patent/CN104310933A/en
Pending legal-status Critical Current

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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00Technologies for solid waste management
    • Y02W30/50Reuse, recycling or recovery technologies
    • Y02W30/91Use of waste materials as fillers for mortars or concrete

Abstract

The invention discloses a C30 slope-protection brick mixture ratio based on sandy spoil in navigation projects and a preparation method of the slope-protection brick. The C30 slope-protection brick comprises the following raw materials in parts by mass: 9-18 parts of cement, 55-70 parts of sandy spoil, 7-13 parts of mineral powder, 0.8-3.5 parts of plaster, 0.4-2 parts of an enhancer and 9-12 parts of water. The preparation method comprises the following steps: after the raw materials are fully and evenly mixed according to the ratio, injecting the mixture into a prefabricated mold, molding under the working pressure of 20MPa, enabling a molded test specimen to be demolded immediately, and placing the demolded test specimen indoors for natural watering maintenance to obtain the sandy-spoil-based slope-protection brick. The cube test specimen strength of the sandy-spoil-based slope-protection brick can reach C30, and the cube test specimen can replace a concrete material to be used for preparing the slope-protection brick and other hydraulic engineering materials. The sandy spoil is reasonably utilized, so that the transferring and ground pressing of spoil and the adverse effects on the environment in channel improvement are reduced, and the field of resource utilization of sandy spoil curing products is expanded.

Description

Based on the proportioning and preparation method thereof of the C30 revetment brick of grittiness spoir
Technical field
The present invention relates to concrete configuring technical, particularly a kind of concrete mix based on grittiness spoir and goods thereof, belong to waste utilization and new material technology field.
Background technology
Along with the propelling of Yangtze River waterway regulation, for ensureing the stability of navigation channel bank slope, slope process need be cut to bank slope; Also generation is dredged spoir in a large number in waterway dredging work process.In waterway regulation a large amount of spoir transhipment, store and not only spend huge, and can environment be affected.If waterway engineering spoir resource is prepared into Hydraulic structure Material, material of construction by curing technology, be applied in waterway regulation works and urban construction nearby, also land seizure is reduced while avoiding spoir to transport, reduce construction costs, solve the secondary pollution problem of solid waste, alleviate the impact of waterway regulation works on environment, by the huge economic benefit of generation and social benefit.
Summary of the invention
Object: the present invention overcomes the deficiencies in the prior art, Appropriate application grittiness spoir, provides a kind of cooperation when preparation method of the C30 revetment brick based on grittiness spoir.
Technical scheme: for solving the problems of the technologies described above, the technical solution used in the present invention is:
A kind of C30 revetment brick based on grittiness spoir, it is characterized in that: the raw material of described C30 revetment brick comprises cement, grittiness spoir, breeze, gypsum, toughener and water, mass percent is: cement 9-18 part, sandy soil 55-70 part, breeze 7-13 part, gypsum 0.8-3.5 part, toughener 0.4-2.5 part, water 9-12 part.
The described C30 revetment brick based on grittiness spoir, is characterized in that: described grittiness spoir is the waste produced after the regulation of two sides, riverbank, the Changjiang river, and chemical composition comprises: SiO 2, Al 2o 3, Fe 2o 3, CaO, MgO, K 2o, Na 2o, TiO 2, SO 3.
The described C30 revetment brick based on grittiness spoir, is characterized in that: cement and gypsum are gelling material, and breeze is adulterant.
The described C30 revetment brick based on grittiness spoir, is characterized in that: described toughener is calcium chloride.
The preparation method of the above-mentioned C30 revetment brick based on grittiness spoir, comprises the following steps:
1) add cement according to mixing ratio, grittiness spoir, breeze, gypsum, toughener be uniformly mixed, then add water mixing and stirring by proportioning and make mixture;
2) according to forming mould size, take certain mass mixture and put into forming mould, hierarchical loading is shaping, and first time is forced into 10Mpa constant voltage 2 minutes, and second time is forced into 20 Mpa constant voltage, 2 minutes compacted unders, and test specimen compacted density controls at 2.0-2.3 g/cm 3;
3) the test specimen demoulding immediately after shaping, be put in maintenance of sprinkling water indoor every day, can obtain the C30 revetment brick based on grittiness spoir, within 28 days, intensity can reach the requirement of C30 concrete strength.
Beneficial effect: the C30 revetment brick based on grittiness spoir provided by the invention, Appropriate application grittiness spoir, reduces the transhipment of waste soil in waterway regulation, pressure ground and the disadvantageous effect to environment, turns waste into wealth; Save resource, to the destruction of ploughing when decreasing the pressure of environment and stack; Preparation technology is simple, and cost is low.Grittiness spoir cured article can replace the mask brick etc. in the normal concrete manufacture waterway engineering of same strength grade.Its intensity of 28 days of the cured article based on grittiness spoir that the present invention is formed can reach C30 design strength, and this intensity can be widely used in multiple fields such as waterway engineering, and popularizing application prospect is wide.
Embodiment
Below in conjunction with example, the present invention is further described.
example one:
1) get cement 12 parts by mass percentage, grittiness spoir 65 parts, breeze 8.5 parts, 1.8 parts, gypsum, toughener 0.8 part, mixes, and then adds the water of 11 parts, stirs in cement mortar mixer;
2) each sample takes 2240 grams of materials, put into the forming mould of 100 × 100 × 100mm size, adopt microcomputer controlled electro-hydraulic servo universal testing machine, two-stage is divided to load shaping, after filling material, the first step is forced into 10Mpa constant voltage 2 minutes, the second stage is shaping to be forced into 20Mpa constant voltage 2 minutes again, and test specimen compacted density is 2.231 g/cm3;
3) the test specimen demoulding immediately after shaping, is put in natural curing of sprinkling water indoor every day, obtains the cured article product 1 based on grittiness spoir;
Carry out the intensity detection of above cured article 1 according to " concrete structure engineering construction quality accident specification " (GB50204-2002), grittiness spoir cured article 28 days test block pressure resistance intensities are 34.2MPa, reach the requirement of C30 concrete strength.
example two:
1) get cement 9 parts by mass percentage, grittiness spoir 70 parts, breeze 7 parts, 3.5 parts, gypsum, toughener 1.8 parts, mixes, and then adds the water of 10 parts, stirs in cement mortar mixer;
2) each sample takes 2235 grams of materials, material is put into the forming mould of 100 × 100 × 100mm size, adopt microcomputer controlled electro-hydraulic servo universal testing machine, two-stage is divided to load shaping, after filling material, the first step is forced into 10Mpa constant voltage 2 minutes, it is shaping that the second stage is forced into 20Mpa constant voltage 2 minutes, and test specimen compacted density is 2.224 g/cm3;
3) the test specimen demoulding immediately after shaping, is put in natural curing of sprinkling water indoor every day, obtains the cured article product 2 based on grittiness spoir;
Carry out the intensity detection of above cured article 2 according to " concrete structure engineering construction quality accident specification " (GB50204-2002), grittiness spoir cured article 28 days test block pressure resistance intensities are 32.8 MPa, reach the requirement of C30 concrete strength.
example three:
1) get cement 18 parts by mass percentage, grittiness spoir 55 parts, breeze 12.5 parts, 0.8 part, gypsum, toughener 2 parts, mixes, and then adds the water of 12 parts, stirs in cement mortar mixer:
2) 2285 grams of materials are taken, put into the forming mould of 100 × 100 × 100mm size, adopt microcomputer controlled electro-hydraulic servo universal testing machine, two-stage is divided to load shaping, after filling material, the first step is forced into 10Mpa constant voltage 2 minutes, second subprime is forced into 20Mpa constant voltage 2 minutes after having refilled leftover materials shaping, and test specimen compacted density is 2.267 g/cm3.
3) the test specimen demoulding immediately after shaping, is put in natural curing of sprinkling water indoor every day, obtains the cured article product 3 based on grittiness spoir.
Carry out the intensity detection of above cured article 3 according to " concrete structure engineering construction quality accident specification " (GB50204-2002), grittiness spoir cured article 28 days test block pressure resistance intensities are 38.1 MPa, reach the requirement of C30 concrete strength.
example four:
1) get cement 14.9 parts by mass percentage, grittiness spoir 65 parts, breeze 13 parts, 2 parts, gypsum, toughener 0.4 part, mixes, and then adds the water of 9 parts, stirs in cement mortar mixer:
2) 2265 grams are taken by material, put into the forming mould of 100 × 100 × 100mm size, put into forming mould at twice, adopt microcomputer controlled electro-hydraulic servo universal testing machine, level loads shaping at twice, after filling material, first time is forced into 10Mpa constant voltage 2 minutes, and second subprime is forced into 20Mpa constant voltage 2 minutes after having refilled leftover materials shaping, and test specimen compacted density is 2.254 g/cm3.
3) the test specimen demoulding immediately after shaping, is put in natural curing of sprinkling water indoor every day, obtains the cured article product 4 based on grittiness spoir.
Carry out the intensity detection of above cured article 4 according to " concrete structure engineering construction quality accident specification " (GB50204-2002), grittiness spoir cured article 28 days test block pressure resistance intensities are 35.6MPa, reach the requirement of C30 concrete strength.
The above is only the preferred embodiment of the present invention; be noted that for those skilled in the art; under the premise without departing from the principles of the invention, can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.

Claims (5)

1. the C30 revetment brick based on grittiness spoir, it is characterized in that: described C30 revetment brick raw material comprises cement, grittiness spoir, breeze, gypsum, toughener and water, mass percent is: cement 9-18 part, sandy soil 55-70 part, breeze 7-13 part, gypsum 0.8-3.5 part, toughener 0.4-2 part, water 9-12 part.
2. the C30 revetment brick based on grittiness spoir according to claim 1, is characterized in that: described grittiness spoir is the waste produced after the regulation of two sides, riverbank, the Changjiang river, and chemical composition comprises: SiO 2, Al 2o 3, Fe 2o 3, CaO, MgO, K 2o, Na 2o, TiO 2, SO 3.
3. the C30 revetment brick based on grittiness spoir according to claim 1, it is characterized in that: cement and gypsum are gelling material, breeze is adulterant.
4. the C30 revetment brick based on grittiness spoir according to claim 1, is characterized in that: described toughener is calcium chloride.
5. a preparation method for the C30 revetment brick based on grittiness spoir as described in any one of claim 1-4, comprises the following steps:
1) add cement according to proportioning, grittiness spoir, breeze, gypsum, toughener be uniformly mixed, then add water mixing and stirring by proportioning and make mixture;
2) according to forming mould size, take certain mass mixture and put into forming mould, classification extrusion forming: first time is forced into 10Mpa constant voltage 2 minutes, second time is forced into 20 Mpa constant voltage, 2 minutes compacted unders, and test specimen compacted density controls at 2.0-2.3 g/cm 3;
3) the test specimen demoulding immediately after shaping, be put in maintenance of sprinkling water indoor every day, obtain the C30 revetment brick based on grittiness spoir, within 28 days, intensity reaches the requirement of C30 concrete strength.
CN201410534488.6A 2014-10-13 2014-10-13 Sandy-spoil-based C30 slope-protection brick mixture ratio and preparation method of slope-protection brick Pending CN104310933A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107082607A (en) * 2017-06-03 2017-08-22 合肥慧林建材有限公司 A kind of road ecological revetment brick and preparation method thereof
CN108675709A (en) * 2018-04-23 2018-10-19 中科鼎实环境工程股份有限公司 It is a kind of repaired using thermal desorption after soil processing revetment brick method and products thereof

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1648352A (en) * 2004-12-27 2005-08-03 陈永烽 R+H-soft soil strong effect curing agent

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1648352A (en) * 2004-12-27 2005-08-03 陈永烽 R+H-soft soil strong effect curing agent

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
GUILAN TAO: "Experimental study of dredged sediment sample analysis and solidification in waterway regulation engineering", 《APPLIED MECHANICS AND MATERIALS》, vol. 638640, 19 September 2014 (2014-09-19) *
REGINALD B. KOGBARA: "Mechanical and leaching behaviour of slag-cement and lime-activated slag stabilised/solidified contaminated soil", 《SCIENCE OF THE TOTAL ENVIRONMENT》, vol. 409, no. 11, 21 March 2011 (2011-03-21), XP028187506, DOI: doi:10.1016/j.scitotenv.2011.02.037 *

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107082607A (en) * 2017-06-03 2017-08-22 合肥慧林建材有限公司 A kind of road ecological revetment brick and preparation method thereof
CN108675709A (en) * 2018-04-23 2018-10-19 中科鼎实环境工程股份有限公司 It is a kind of repaired using thermal desorption after soil processing revetment brick method and products thereof
CN108675709B (en) * 2018-04-23 2021-05-14 中科鼎实环境工程有限公司 Method for preparing slope protection brick by utilizing soil after thermal desorption remediation and product thereof

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Application publication date: 20150128