CN106251247A - A kind of aggregate quality evaluating method based on sandstone - Google Patents
A kind of aggregate quality evaluating method based on sandstone Download PDFInfo
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- CN106251247A CN106251247A CN201610555216.3A CN201610555216A CN106251247A CN 106251247 A CN106251247 A CN 106251247A CN 201610555216 A CN201610555216 A CN 201610555216A CN 106251247 A CN106251247 A CN 106251247A
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- 238000000034 method Methods 0.000 title claims abstract description 13
- 239000004567 concrete Substances 0.000 claims abstract description 27
- 239000000463 material Substances 0.000 claims abstract description 17
- 238000004458 analytical method Methods 0.000 claims abstract description 15
- 239000011229 interlayer Substances 0.000 claims abstract description 10
- 239000010410 layer Substances 0.000 claims abstract description 8
- 238000013507 mapping Methods 0.000 claims abstract description 7
- 238000009666 routine test Methods 0.000 claims abstract description 7
- 210000000988 bone and bone Anatomy 0.000 claims abstract description 6
- 238000005065 mining Methods 0.000 claims abstract description 4
- 238000011056 performance test Methods 0.000 claims abstract description 4
- 238000006243 chemical reaction Methods 0.000 claims description 19
- 239000011435 rock Substances 0.000 claims description 14
- 239000003513 alkali Substances 0.000 claims description 13
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 9
- 238000012360 testing method Methods 0.000 claims description 9
- 230000015572 biosynthetic process Effects 0.000 claims description 8
- 229920006395 saturated elastomer Polymers 0.000 claims description 8
- 238000010348 incorporation Methods 0.000 claims description 7
- 238000005516 engineering process Methods 0.000 claims description 6
- 239000010881 fly ash Substances 0.000 claims description 6
- 239000000377 silicon dioxide Substances 0.000 claims description 6
- 239000002689 soil Substances 0.000 claims description 5
- 230000000694 effects Effects 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 claims description 3
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 claims description 3
- 230000033228 biological regulation Effects 0.000 claims description 3
- 238000004364 calculation method Methods 0.000 claims description 3
- 238000006757 chemical reactions by type Methods 0.000 claims description 3
- 239000004576 sand Substances 0.000 claims description 3
- 238000005345 coagulation Methods 0.000 claims 1
- 230000015271 coagulation Effects 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract description 9
- 230000008901 benefit Effects 0.000 abstract description 3
- 238000013461 design Methods 0.000 abstract description 3
- 238000011835 investigation Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 4
- 238000013441 quality evaluation Methods 0.000 description 3
- 230000011218 segmentation Effects 0.000 description 2
- 230000001629 suppression Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004578 natural building material Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
Classifications
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q50/00—Information and communication technology [ICT] specially adapted for implementation of business processes of specific business sectors, e.g. utilities or tourism
- G06Q50/08—Construction
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- Business, Economics & Management (AREA)
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- Economics (AREA)
- General Health & Medical Sciences (AREA)
- Human Resources & Organizations (AREA)
- Marketing (AREA)
- Primary Health Care (AREA)
- Strategic Management (AREA)
- Tourism & Hospitality (AREA)
- Physics & Mathematics (AREA)
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- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention discloses a kind of aggregate quality evaluating method based on sandstone, comprise the following steps: 1) on the basis of artificial aggregate generaI investigation detailed survey geological mapping, feature is disclosed with boring according to stratigraphic column field data, calculate sandstone and useless interlayer content: 2) according to result in step 1) and peel ply thickness, stratum are relatively complete, mining conditions is the most excellent, so that it is determined that quality subarea；3) subregion divided according to scene, carries out routine test, basic active analysis, concrete performance test to aggregate in useful district；4) on the basis of above-mentioned work, by evaluating stock ground material layer quality, reserves, determine whether aggregate field meets engineering design requirements.The inventive method can determine that quality, reserves all fully meet the artificial bone stock ground material source of engineering design requirements at short notice, the duration is saved for later stage engineering construction, create higher engineering and economic benefit, it is to avoid aggregate amount is few or off quality and stop the work holdup in engineering construction.
Description
Technical field
The present invention relates to engineering construction technology, particularly relate to a kind of aggregate quality evaluation side based on sandstone
Method.
Background technology
Aggregate is the granular loose material playing skeleton or filling effect in concrete, is the primary raw material of concrete；Stock ground
It is concrete buildings or structures " silos ", once occurs that " grain shortage " often will bring significant impact to engineering construction.In recent years,
In China's construction of hydropower plant, because the aspects such as quality, reserves, safe and environment-friendly, expropriation of land are not implemented, " lack when causing commencement of works
Grain ", the phenomenon such as " running out of grain " is of common occurrence in construction, the large hydropower station such as Burner zone, silk screen, land owned by officials occurred, medium and small-scale water and electricity
Engineering is too the most numerous to mention, thus aggregate quality problem is always the most important thing of aggregate material source complex investigation.
Sandstone is natural building material common in engineering construction, its often exist as aggregate processing characteristics,
The problems such as potential alkali active reaction, at present the aggregate quality evaluation not system based on sandstone, thus cause in work
In Cheng Jianshe aggregate amount few or off quality and stop work, the work holdup.
Summary of the invention
The technical problem to be solved in the present invention is for defect of the prior art, it is provided that a kind of mixing based on sandstone
The aggregate quality evaluation methodology of solidifying soil.
The technical solution adopted for the present invention to solve the technical problems is: a kind of aggregate quality based on sandstone
Evaluation methodology, comprises the following steps:
1) on the basis of artificial aggregate generaI investigation-detailed survey geological mapping, feature, meter are disclosed according to stratigraphic column field data and boring
Calculation sandstone and useless interlayer content:
Specific as follows:
1.1) targeted bone stock ground is carried out the mapping of 1:100 ~ 1:50 stratigraphic column, and stratigraphic column is surveyed and drawn according to following principle: stratum
Column is appeared layout according to formation strike and basement rock, selects basement rock preferable position of appearing to be perpendicular to formation strike as far as possible；
1.2) surveyed and drawn by stratigraphic column, can will contain sand in the range of the reserves of stock ground according to lithology combination feature in the range of aggregate field
Rock stratum is subdivided into several sub-section, to facilitate sandstone reserves to calculate；
1.3) segment containing sandstone formation according in the range of the reserves of stock ground, disclose feature in the exploratory bore-hole of aggregate field and disclose aggregate field material
The whole lithology of the bed of material, and obtain stock ground lithology accounting section table with reference to boring color digital shooting achievement statistics, calculate sandstone storage
Amount；
2) relatively complete according to result in step 1) and peel ply thickness, stratum, mining conditions is the most excellent, so that it is determined that quality
Subregion；
3) subregion divided according to scene, carries out routine test, basic active analysis, concrete performance examination to aggregate in useful district
Test；
3.1) protolith routine test: according to field geology situation, choose representative by position, the degree of depth, layer position, lithology, rate of decay
Property rock sample carries out mineralising analysis: include density (natural density, saturated density, dry density), uniaxial compressive strength (saturated list
Axle comprcssive strength, dry uniaxial compressive strength), and calculate coefficient of softing, to check whether protolith physico-mechanical properties meets work
The aggregate quality technology requirement of journey concrete, if dry density ＞ 2.4g/cm3, saturation uniaxial compressive strength ＞ 40MPa, softening system
Number ＞ 0.75, sulfate grade sulfide content (is converted into SO3) ＜ 1%, i.e. think and meet the quality skill of concrete artificial aggregate
Art requirement；
3.2) basic active analysis；
3.2.1) utilize petrofacies method that row during aggregate basic active is tentatively judged, if containing crystallite-cryptocrystalline quartz in mineralogical composition, answering
Alexandrite English, is i.e. considered as having the harm of potential basic active, proceeds to lower step；
3.2.2) utilizing accelerated motar-bar test to identify the alkali-silica reaction activity of aggregate, " water conservancy project mixes i.e. to press DL/T5151-2014
Solidifying soil sandstone aggregate testing regulations " require to identify the basic active of alkali-silica reaction class aggregate, if the expansion rate of 14 days is more than
0.2%, it is determined that for having the alkali active aggregate of potential hazard reaction；If the expansion rate of 14 days is between 0.1%-0.2%, should
Prolongation observation time was to 28 days, if expansion rate is less than 0.2%, it is determined that for not having the alkali active aggregate of potential hazard reaction,
If expansion rate was more than 0.2% in 28 days, it is determined that for having the alkali active aggregate of potential hazard reaction；
3.2.3) according to basic active analysis result, the flyash suppression alkali mixing various dose (0%, 10%, 20%, 30%) is carried out
Aggregate reaction is tested, and finally determines under flyash volume in concrete gel material, i.e. this volume, can effectively suppress aggregate
Potential concrete alkali-aggregate reaction；
3.3) concrete performance test: (the most saturated comprcssive strength is less than 40MPa's for the useless interlayer in sandstone in useful district
Rock), carry out and sandstone aggregate is mixed different proportion useless sandwich concrete compressive strength test, so that it is determined that nothing in sandstone aggregate
Using under interlayer incorporation, i.e. this incorporation, concrete strength meets C30 and with lower label requirement；
4) on the basis of above-mentioned work, by evaluating stock ground material layer quality, reserves, determine whether aggregate field meets engineering and set
Meter requirement.
The beneficial effect comprise that: use the stock ground quality evaluating method of the artificial aggregate of the present invention, be used for referring to
Lead standby material source, the artificial bone stock ground prospecting of hydraulic engineering, can determine that quality, reserves all fully meet engineering at short notice
The artificial bone stock ground material source that design requires, saves the duration for later stage engineering construction, creates higher engineering and economic benefit.Keep away
Exempted from aggregate amount in engineering construction few or off quality and stop work, the work holdup.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described, in accompanying drawing:
Fig. 1 is the structural representation of the embodiment of the present invention；
Fig. 2 be the embodiment of the present invention segmentation stratum in different Sandstone content statistical tables；
Fig. 3 is core schematic diagram in the borehole sections of the embodiment of the present invention；
Fig. 4 is the boring color digital shooting achievement analysis diagram of the embodiment of the present invention；
Fig. 5 is the stock ground lithology accounting section statistical table of the embodiment of the present invention.
Detailed description of the invention
In order to make the purpose of the present invention, technical scheme and advantage clearer, below in conjunction with embodiment, to the present invention
It is further elaborated.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not used to limit
Determine the present invention.
As it is shown in figure 1, a kind of aggregate quality evaluating method based on sandstone, comprise the following steps:
1) on the basis of artificial aggregate generaI investigation-detailed survey geological mapping, feature, meter are disclosed according to stratigraphic column field data and boring
Calculation sandstone and useless interlayer content:
Specific as follows:
1.1) targeted bone stock ground is carried out the mapping of 1:100 ~ 1:50 stratigraphic column, and stratigraphic column is surveyed and drawn according to following principle: stratum
Column is appeared layout according to formation strike and basement rock, selects basement rock preferable position of appearing to be perpendicular to formation strike as far as possible；
1.2) surveyed and drawn by stratigraphic column, can will contain sand in the range of the reserves of stock ground according to lithology combination feature in the range of aggregate field
Rock stratum is subdivided into several sub-section, to facilitate sandstone reserves to calculate；
Segmentation table is as shown in Figure 2；
1.3) disclose feature according to the exploratory bore-hole of aggregate field and disclose the aggregate field whole lithology of material layer, and with reference to boring color digital
Shooting achievement statistics obtains stock ground lithology accounting section table, calculates sandstone reserves；
In borehole sections, core schematic diagram and boring color digital shooting achievement analysis diagram are as shown in Figure 3 and Figure 4；
Stock ground lithology accounting section statistical table is as shown in Figure 5；
2) relatively complete according to result in step 1) and peel ply thickness, stratum, mining conditions is the most excellent, so that it is determined that quality
Subregion；
3) subregion divided according to scene, carries out routine test, basic active analysis, concrete performance examination to aggregate in useful district
Test；
3.1) protolith routine test: according to field geology situation, choose representative by position, the degree of depth, layer position, lithology, rate of decay
Property rock sample carries out mineralising analysis: include density (natural density, saturated density, dry density), uniaxial compressive strength (saturated list
Axle comprcssive strength, dry uniaxial compressive strength), and calculate coefficient of softing, to check whether protolith physico-mechanical properties meets work
The aggregate quality technology requirement of journey concrete, if dry density ＞ 2.4g/cm3, saturation uniaxial compressive strength ＞ 40MPa, softening system
Number ＞ 0.75, sulfate grade sulfide content (is converted into SO3) ＜ 1%, i.e. think and meet the quality skill of concrete artificial aggregate
Art requirement；
3.2) basic active analysis；
3.2.1) utilize petrofacies method that row during aggregate basic active is tentatively judged, if containing crystallite-cryptocrystalline quartz in mineralogical composition, answering
Alexandrite English, is i.e. considered as having the harm of potential basic active, proceeds to lower step；
3.2.2) utilizing accelerated motar-bar test to identify the alkali-silica reaction activity of aggregate, " water conservancy project mixes i.e. to press DL/T5151-2014
Solidifying soil sandstone aggregate testing regulations " require to identify the basic active of alkali-silica reaction class aggregate, if the expansion rate of 14 days is more than
0.2%, it is determined that for having the alkali active aggregate of potential hazard reaction；If the expansion rate of 14 days is between 0.1%-0.2%, should
Prolongation observation time was to 28 days, if expansion rate is less than 0.2%, it is determined that for not having the alkali active aggregate of potential hazard reaction,
If expansion rate was more than 0.2% in 28 days, it is determined that for having the alkali active aggregate of potential hazard reaction；
3.2.3) according to basic active analysis result, the flyash suppression alkali mixing various dose (0%, 10%, 20%, 30%) is carried out
Aggregate reaction is tested, and finally determines under flyash volume in concrete gel material, i.e. this volume, can effectively suppress aggregate
Potential concrete alkali-aggregate reaction；
3.3) concrete performance test: (the most saturated comprcssive strength is less than 40MPa's for the useless interlayer in sandstone in useful district
Rock), carry out and sandstone aggregate is mixed different proportion useless sandwich concrete compressive strength test, so that it is determined that nothing in sandstone aggregate
Using under interlayer incorporation, i.e. this incorporation, concrete strength meets C30 and with lower label requirement；
4) on the basis of above-mentioned work, by evaluating stock ground material layer quality, reserves, determine whether aggregate field meets engineering and set
Meter requirement.
It should be appreciated that for those of ordinary skills, can be improved according to the above description or be converted,
And all these modifications and variations all should belong to the protection domain of claims of the present invention.
Claims (1)
1. the aggregate quality evaluating method based on sandstone, comprises the following steps:
1) on the basis of artificial aggregate generaI investigation-detailed survey geological mapping, feature, meter are disclosed according to stratigraphic column field data and boring
Calculation sandstone and useless interlayer content:
Specific as follows:
1.1) targeted bone stock ground is carried out the mapping of 1:100 ~ 1:50 stratigraphic column, and stratigraphic column is surveyed and drawn according to following principle: stratum
Column is appeared layout according to formation strike and basement rock, selects basement rock preferable position of appearing to be perpendicular to formation strike as far as possible；
1.2) surveyed and drawn by stratigraphic column, can will contain sand in the range of the reserves of stock ground according to lithology combination feature in the range of aggregate field
Rock stratum is subdivided into several sub-section, to facilitate sandstone reserves to calculate；
1.3) segment containing sandstone formation according in the range of the reserves of stock ground, disclose feature in the exploratory bore-hole of aggregate field and disclose aggregate field material
The whole lithology of the bed of material, and obtain stock ground lithology accounting section table with reference to boring color digital shooting achievement statistics, calculate sandstone storage
Amount；
2) relatively complete according to result in step 1) and peel ply thickness, stratum, mining conditions is the most excellent, so that it is determined that quality
Subregion；
3) subregion divided according to scene, carries out routine test, basic active analysis, concrete performance examination to aggregate in useful district
Test；
3.1) protolith routine test: according to field geology situation, choose representative by position, the degree of depth, layer position, lithology, rate of decay
Property rock sample carries out mineralising analysis: include density: natural density, saturated density, dry density；Uniaxial compressive strength: saturated list
Axle comprcssive strength, dry uniaxial compressive strength；And calculate coefficient of softing, to check whether protolith physico-mechanical properties meets engineering
Concrete aggregate quality technology requirement, if dry density ＞ 2.4g/cm3, saturation uniaxial compressive strength ＞ 40MPa, coefficient of softing
＞ 0.75, sulfate grade sulfide content ＜ 1%, i.e. think and meet the quality technology requirement of concrete artificial aggregate；
3.2) basic active analysis；
3.2.1) utilize petrofacies method that row during aggregate basic active is tentatively judged, if containing crystallite-cryptocrystalline quartz in mineralogical composition, answering
Alexandrite English, is i.e. considered as having the harm of potential basic active, proceeds to lower step；
3.2.2) utilizing accelerated motar-bar test to identify the alkali-silica reaction activity of aggregate, " water conservancy project mixes i.e. to press DL/T5151-2014
Solidifying soil sandstone aggregate testing regulations " require to identify the basic active of alkali-silica reaction class aggregate, if the expansion rate of 14 days is more than
0.2%, it is determined that for having the alkali active aggregate of potential hazard reaction；If the expansion rate of 14 days is between 0.1%-0.2%, should
Prolongation observation time was to 28 days, if expansion rate is less than 0.2%, it is determined that for not having the alkali active aggregate of potential hazard reaction,
If expansion rate was more than 0.2% in 28 days, it is determined that for having the alkali active aggregate of potential hazard reaction；
3.2.3) according to basic active analysis result, incorporation various dose is carried out: 0%, the flyash of 10%, 20%, 30% suppresses alkali
Aggregate reaction is tested, and finally determines under flyash volume in concrete gel material, i.e. this volume, can effectively suppress aggregate
Potential concrete alkali-aggregate reaction；
3.3) concrete performance test: for the useless interlayer in sandstone in useful district, carry out and mix different proportion in sandstone aggregate
Useless sandwich concrete compressive strength test, so that it is determined that in sandstone aggregate under useless interlayer incorporation, i.e. this incorporation, coagulation
Soil intensity meets C30 and with lower label requirement；
4) on the basis of above-mentioned work, by evaluating stock ground material layer quality, reserves, determine whether aggregate field meets engineering and set
Meter requirement.
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| CN201610555216.3A CN106251247A (en) | 2016-07-14 | 2016-07-14 | A kind of aggregate quality evaluating method based on sandstone |
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| CN201610555216.3A CN106251247A (en) | 2016-07-14 | 2016-07-14 | A kind of aggregate quality evaluating method based on sandstone |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110333316A (en) * | 2019-07-16 | 2019-10-15 | 吴云 | One kind is for judging gather materials containing the slate active concrete microtrabeculae test specimen of alkali_silica reaction and its preparation and application |
| CN110852551A (en) * | 2019-09-04 | 2020-02-28 | 中国电建集团成都勘测设计研究院有限公司 | Stock yard reserve calculation method |
| CN114042734A (en) * | 2021-11-19 | 2022-02-15 | 上海康恒环境股份有限公司 | Industrial organic garbage waste co-processing method and system |
| CN117008211A (en) * | 2023-07-27 | 2023-11-07 | 中国电建集团成都勘测设计研究院有限公司 | High-soil core wall rock-fill dam rock-fill exploration method of sandstone rock-fill material source |
| CN117571427A (en) * | 2024-01-11 | 2024-02-20 | 中国建筑第五工程局有限公司 | Preparation method and system of argillaceous sandstone similar material |
| CN117008211B (en) * | 2023-07-27 | 2024-07-05 | 中国电建集团成都勘测设计研究院有限公司 | High-soil core wall rock-fill dam rock-fill exploration method of sandstone rock-fill material source |
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| CN103337041A (en) * | 2013-06-13 | 2013-10-02 | 中国葛洲坝集团股份有限公司 | System for intelligent decision-making of concrete dam pouring construction based on knowledge engineering and method thereof |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110333316A (en) * | 2019-07-16 | 2019-10-15 | 吴云 | One kind is for judging gather materials containing the slate active concrete microtrabeculae test specimen of alkali_silica reaction and its preparation and application |
| CN110852551A (en) * | 2019-09-04 | 2020-02-28 | 中国电建集团成都勘测设计研究院有限公司 | Stock yard reserve calculation method |
| CN114042734A (en) * | 2021-11-19 | 2022-02-15 | 上海康恒环境股份有限公司 | Industrial organic garbage waste co-processing method and system |
| CN117008211A (en) * | 2023-07-27 | 2023-11-07 | 中国电建集团成都勘测设计研究院有限公司 | High-soil core wall rock-fill dam rock-fill exploration method of sandstone rock-fill material source |
| CN117008211B (en) * | 2023-07-27 | 2024-07-05 | 中国电建集团成都勘测设计研究院有限公司 | High-soil core wall rock-fill dam rock-fill exploration method of sandstone rock-fill material source |
| CN117571427A (en) * | 2024-01-11 | 2024-02-20 | 中国建筑第五工程局有限公司 | Preparation method and system of argillaceous sandstone similar material |
| CN117571427B (en) * | 2024-01-11 | 2024-04-19 | 中国建筑第五工程局有限公司 | Preparation method and system of argillaceous sandstone similar material |
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