CN101831890B - Blending construction method of blended gravelly soil for dam watertight core - Google Patents
Blending construction method of blended gravelly soil for dam watertight core Download PDFInfo
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- CN101831890B CN101831890B CN2010101820692A CN201010182069A CN101831890B CN 101831890 B CN101831890 B CN 101831890B CN 2010101820692 A CN2010101820692 A CN 2010101820692A CN 201010182069 A CN201010182069 A CN 201010182069A CN 101831890 B CN101831890 B CN 101831890B
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Abstract
The invention relates to a bending construction method of blended gravelly soil for a dam watertight core. In the method, clay of qualified blending raw materials is supplied to an aggregate bin, and grave blending stones are supplied by a finished product stock dump; the batchings of both the clay and the grave blending stones are dynamically metered and controlled by an electronic belt scale through a vibration feeder to strictly control the blending proportion; the batching is finished by the vibration feeder, and a belt conveyer is used for mixing for multiple times and naturally stockpiling; when supplying the materials, a digging and loading machine is used for digging and loading to ensure that the soil and the stones are sufficiently mixed, and the mixing quality is high. The method can prevent a blending material from being repeatedly ground before supplying, is convenient for controlling the mechanical property index of the soil material, reduces the fuel oil consumption of vehicles and the exhaust emission, saves the labor force, improves the construction efficiency, reduces the building of construction tributary roads, reduces the total life cycle cost, has convenient and fast recovery, is beneficial to high-intensity filling construction, has flexible production, material preparation and supplying region adjustment and continuous production and material supply and meets the requirement of a short-time superstrong peak.
Description
Technical field
The present invention relates to a kind of blending construction method of blended gravelly soil for dam watertight core.
Background technology
The core-wall of core wall rockfill dam is mixed gravel soil, and total amount is about hundreds of incomparably, and mix proportions is counted clay material with weight portion: gravel material=65:35.
The blending constructure scheme is generally to tile to stand adopts the blending scheme, is promptly paved blending during upright adopting by the horizontal alternating layers of dump truck in the fusion field.Clay material and gravel material all adopt dump truck transportation, layering stone in proportion, the flat material of bulldozer, the upright method of adopting uniform mixing of excavator.Control layer thickness in the process for preparation, and moisture content is adjusted in accordance with regulations.During stone, first graveling material.With attacking and occupying the method discharging, with retreating the method discharging, the haul vehicle travels on gravel material all the time, to avoid the direct compacting of tire to the earth material layer during clay material of shop during the graveling material.The stockpile top layer is a clay material.The configuration field is provided with drainage system, and stockpile adopts rainproof measure.Configuration is divided into four districts, gets the raw materials ready, storing, exploitation, recycles.
This form of construction work makes mechanical performance index be difficult to control because of vehicle for rolling repeatedly of earth material, and the fuel consume of vehicle is big, the toxic emission height, and efficient is lower, and labor waste is bigger, and material supply is not gone up during the high strength construction.
Summary of the invention
Technical problem to be solved by this invention provides a kind of blending construction method of blended gravelly soil for dam watertight core, can so that control earth material mechanical performance index, the efficiency of construction height adapts to superpower in short-term peak requirements.
For solving the problems of the technologies described above, the technical solution adopted in the present invention is: a kind of blending construction method of blended gravelly soil for dam watertight core may further comprise the steps:
1) is sent to the clay material aggregate bin by first sealing-tape machine after the fragmentation of clay material autoclase indigenous equipment, the clay material aggregate bin is divided into the clay material oscillating feeder, give clay material sealing-tape machine feed by the clay material oscillating feeder, on the clay material sealing-tape machine, be provided with electronic belt scale, measure to the clay material sealing-tape machine by 65% weight portion mix proportions and prepare burden;
2) the next gravel material in gravel material stockyard is given gravel material sealing-tape machine feed through the gravel material oscillating feeder, is provided with electronic belt scale on the gravel material sealing-tape machine, measures to the gravel material sealing-tape machine by 35% weight portion mix proportions and prepares burden;
3) blend composition behind the two-stage batching is sent to the rocking arm stacker by second sealing-tape machine, is finished cloth and is stored up in the stockyard by the rocking arm stacker;
Obtain to mix gravel soil finished product material through above-mentioned steps.
A kind of blending construction method of blended gravelly soil for dam watertight core provided by the invention, the clay material of qualified fusion raw material is fed into aggregate bin, mixes gravel material by finished product stockyard feed, all through vibra feeder, by electronic belt scale dynamic measuring control batching, strict control mix proportions.
Through the vibra feeder batching, repeatedly mix, store up naturally through sealing-tape machine again, dig installation during feed and dig dress, soil, building stones are fully mixed, the mixing quality height.Avoid being rolled repeatedly before the admixture feed, be convenient to control the mechanical performance index of earth material.
Reduced the fuel consume of vehicle, reduced toxic emission, labor savings has increased efficiency of construction, reduces the construction tributary path and builds.Reduce overall life cycle cost; Back production is convenient, is beneficial to the high strength filling construction; Produce, get the raw materials ready, the feed zone adjustment is flexible, it is continuous producing feed, adapts to superpower in short-term peak requirements.
Description of drawings
The invention will be further described below in conjunction with drawings and Examples:
Fig. 1 is the process chart of job practices of the present invention.
The specific embodiment
Mix gravel soil among the present invention and adopt sealing-tape machine blending scheme.A kind of blending construction method of blended gravelly soil for dam watertight core may further comprise the steps:
1) clay material is transported to the fusion field from borrow pit by automobile, after the material feeding hole is by 1 fragmentation of hack equipment, be sent to clay material aggregate bin 12 by first sealing-tape machine 2, clay material aggregate bin 12 is divided into clay material oscillating feeder 3, by clay material oscillating feeder 3 to clay material sealing-tape machine 4 feed, on the clay material sealing-tape machine 4 electronic belt scale is installed, is measured to clay material sealing-tape machine 4 batchings by 65% weight portion mix proportions;
2) gravel material is done interior gravel material oscillating feeder (5) to gravel material sealing-tape machine (6) feed by mixing gravel material system of processing gravel material stockyard (13) setly, gravel material sealing-tape machine (6) is gone up electronic belt scale is installed, and measures to gravel material sealing-tape machine 6 batchings by 35% weight portion mix proportions;
3) blend composition behind the two-stage batching is sent to rocking arm stacker 11 by second sealing-tape machine 7,8,9,10, finishes cloth by rocking arm stacker 11 at last and stores up in the stockyard (14).Mixing gravel finished product material feed adopts and to dig installing and get the material feed in admixture finished product stockyard (14) fully.Obtain to mix gravel soil finished product material through above-mentioned steps.
Clay material and gravel material are all through oscillating feeder, and by electronic belt scale dynamic measuring control batching, mix proportions is controlled in strictness.Qualified fusion raw material is prepared burden through vibra feeder, repeatedly mixes, stores up naturally through sealing-tape machine again, digs installation during feed and digs dress, soil, building stones is fully mixed, the mixing quality height.Avoid being rolled repeatedly before the admixture feed, be convenient to control the mechanical performance index of earth material.Reduce the fuel consume of vehicle, reduce toxic emission, labor savings has improved efficiency of construction, reduces the construction tributary path and builds.Reduce overall life cycle cost; Back production is convenient, is beneficial to the high strength filling construction; Produce, get the raw materials ready, the feed zone adjustment is flexible, it is continuous producing feed, adapts to superpower in short-term peak requirements.
Claims (1)
1. blending construction method of blended gravelly soil for dam watertight core is characterized in that may further comprise the steps:
1) clay material aggregate bin (12) is sent to by first sealing-tape machine (2) in the broken back of clay material autoclase indigenous equipment (1), clay material aggregate bin (12) is divided into clay material oscillating feeder (3), give clay material sealing-tape machine (4) feed by clay material oscillating feeder (3), on clay material sealing-tape machine (4), be provided with electronic belt scale, measure to clay material sealing-tape machine (4) by 65% weight portion mix proportions and prepare burden;
2) gravel material stockyard (13) next gravel material is given gravel material sealing-tape machine (6) feed through gravel material oscillating feeder (5), on gravel material sealing-tape machine (6), be provided with electronic belt scale, measure to gravel material sealing-tape machine (6) by 35% weight portion mix proportions and prepare burden;
3) blend composition behind the two-stage batching is sent to rocking arm stacker (11) by second sealing-tape machine (7,8,9,10), is finished cloth and is stored up in the stockyard (14) by rocking arm stacker (11);
Obtain to mix gravel soil finished product material through above-mentioned steps.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101820692A CN101831890B (en) | 2010-05-25 | 2010-05-25 | Blending construction method of blended gravelly soil for dam watertight core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101820692A CN101831890B (en) | 2010-05-25 | 2010-05-25 | Blending construction method of blended gravelly soil for dam watertight core |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101831890A CN101831890A (en) | 2010-09-15 |
| CN101831890B true CN101831890B (en) | 2011-10-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010101820692A Expired - Fee Related CN101831890B (en) | 2010-05-25 | 2010-05-25 | Blending construction method of blended gravelly soil for dam watertight core |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105297684A (en) * | 2015-10-24 | 2016-02-03 | 江南水利水电工程公司 | Superlarge-particle-size gravel-doped soil rock-fill dam core wall |
| CN106812118A (en) * | 2017-02-22 | 2017-06-09 | 中国水利水电第五工程局有限公司 | One kind is for mixing gravel earth material Gradation Control method |
| CN109944248A (en) * | 2019-04-15 | 2019-06-28 | 中国电建集团贵阳勘测设计研究院有限公司 | A kind of gravel earth material stacker lower hopper priming apparatus and technique |
| CN110016916A (en) * | 2019-04-15 | 2019-07-16 | 中国电建集团贵阳勘测设计研究院有限公司 | A kind of gravel earth material belt feeder end priming apparatus and technique |
| CN115301103B (en) * | 2022-08-08 | 2023-08-25 | 中国水利水电第五工程局有限公司 | High-earth dam uneven gravel-earth material mixing system and screening method |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US5454668A (en) * | 1994-05-25 | 1995-10-03 | Baroid Technology, Inc. | Flood barrier and a method for forming a flood barrier |
| CN100335723C (en) * | 2005-11-30 | 2007-09-05 | 中水东北勘测设计研究有限责任公司科学研究院 | Casting construction method for asphalt concrete anti-infiltration core wall of earth rockfill dam |
| CN1908315A (en) * | 2006-08-17 | 2007-02-07 | 中国葛洲坝水利水电工程集团有限公司 | Rapid construction method for stone dam rolling asphalt concrete cutoff core wall |
| CN101538839A (en) * | 2009-03-26 | 2009-09-23 | 中国水利水电第七工程局有限公司 | Method for constructing highly plastic clay core wall |
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Granted publication date: 20111005 Termination date: 20190525 |