CN106996095A - A kind of preparation method of rubble clay core wall material - Google Patents
A kind of preparation method of rubble clay core wall material Download PDFInfo
- Publication number
- CN106996095A CN106996095A CN201710233404.9A CN201710233404A CN106996095A CN 106996095 A CN106996095 A CN 106996095A CN 201710233404 A CN201710233404 A CN 201710233404A CN 106996095 A CN106996095 A CN 106996095A
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- blending
- clay
- stone
- rubble
- metaling
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B7/00—Barrages or weirs; Layout, construction, methods of, or devices for, making same
- E02B7/02—Fixed barrages
- E02B7/04—Dams across valleys
- E02B7/06—Earth-fill dams; Rock-fill dams
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B3/00—Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
- E02B3/16—Sealings or joints
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Revetment (AREA)
Abstract
The invention discloses a kind of preparation method of rubble clay core wall material, comprise the following steps：1）Set and excavate upper dam blending field and get the raw materials ready with blending field；2）Size grading and the moisture content of metaling and clay material are determined, then calculates the mass ratio for determining metaling and clay material；3）Determine that the individual layer thickness that paves, the mutual number of plies and the stockpile design heap of metaling and clay material are high；4）Carry out small-scale Blending Experiments；5）Paved parameter according to small-scale Blending Experiments modified result, then carry out extensive stone and blending；6）Leftover pieces formation exploitation facade is cut out after the completion of stone with backacter；7）Facade exploitation, repeatedly mix are carried out with backacter, rubble clay core wall material is obtained.The present invention is using layering alternately tiling clay and rubble, the blending method of backacter facade exploitation, and civilwork engineering quantity is smaller, blending technique, simple, economy, quality are good, and rubble clay core wall material yield is high.
Description
Technical field
The present invention relates to a kind of preparation method of rubble clay core wall material.
Background technology
Core-wall be earth and rockfill dam, rock-fill dams frequently with leakage preventing structure, mainly entered by clay, gravel clay, rubble clay
Row is filled.In the various dam types of earth and rockfill dam, rubble Clay Core Wall Rockfill Dam has been increasingly becoming the main flow dam of world's high dam construction
One of type.The blending of domestic and international broken (gravel) stone clay core wall material is broadly divided into following several method：1) continous way mix is forced；2)
Sealing-tape machine transport is first mixed stores up afterwards；3) sealing-tape machine transport layering stone；4) stacker cloth layering stone.Above-mentioned several conventional sides
One or more in the following defect of method generally existing：Complex process, civilwork engineering quantity are big, admixture uniformity is poor, construction
Cost is high.
Therefore, it is necessary to develop that a kind of civilwork engineering quantity is smaller, it is simple to blend technique, economy, quality are good, that yield is high is broken
Stone clay core wall material preparation method.
The content of the invention
It is an object of the invention to provide a kind of preparation method of rubble clay core wall material.
The technical solution used in the present invention is：
A kind of preparation method of rubble clay core wall material, comprises the following steps：
1) the upper dam of excavation is set to blend according to earth material, filter material and metaling system of processing and the arrangement of upper dam road
And get the raw materials ready with blend field, cleaning, smooth blending field；
2) size grading of metaling and clay material is determined according to design objective, design core-wall material envelope and grain composition
And moisture content, then calculate the mass ratio for determining metaling and clay material；
3) according to design parameter, blend place shape and construction machinery determine metaling and clay material the individual layer thickness that paves,
The mutual number of plies and stockpile design heap are high；
4) small-scale Blending Experiments are carried out, blending replaces stone using level；
5) paved parameter according to small-scale Blending Experiments modified result, then carry out extensive stone and blending；
6) leftover pieces formation exploitation facade is cut out after the completion of stone with backacter；
7) facade exploitation, repeatedly mix are carried out with backacter, obtains rubble clay core wall material.
Step 1) described in get the raw materials ready with blend field be 1~3.
Step 4) thickness of the stone is controlled by spirit level or total powerstation.
Step 5) carry out stone when aspect the gradient be 1%~2%.
Step 7) described in facade exploitation thickness be 30~50cm.
The beneficial effects of the invention are as follows：The present invention is opened using layering alternating tiling clay and rubble, backacter facade
The blending method adopted, civilwork engineering quantity is smaller, blending technique, simple, economy, quality are good, and rubble clay core wall material yield is high.
Brief description of the drawings
Fig. 1 is rubble clay core wall material Making programme figure.
Fig. 2 is that facade exploitation backhoe mixes artwork.
Embodiment
A kind of preparation method of rubble clay core wall material, comprises the following steps：
1) the upper dam of excavation is set to blend according to earth material, filter material and metaling system of processing and the arrangement of upper dam road
And get the raw materials ready with blend field, cleaning, smooth blending field；
2) size grading of metaling and clay material is determined according to design objective, design core-wall material envelope and grain composition
And moisture content, then calculate the mass ratio for determining metaling and clay material；
3) according to design parameter, blend place shape and construction machinery determine metaling and clay material the individual layer thickness that paves,
The mutual number of plies and stockpile design heap are high；
4) small-scale Blending Experiments are carried out, blending replaces stone using level；
5) paved parameter according to small-scale Blending Experiments modified result, then carry out extensive stone and blending；
6) leftover pieces formation exploitation facade is cut out after the completion of stone with backacter；
7) facade exploitation, repeatedly mix are carried out with backacter, obtains rubble clay core wall material.
It is preferred that, step 1) described in get the raw materials ready with blend field be 1~3.
It is preferred that, step 4) thickness of the stone is controlled by spirit level or total powerstation.
It is preferred that, step 5) carry out stone when aspect the gradient be 1%~2%.
It is preferred that, step 7) described in facade exploitation thickness be 30~50cm.
The present invention is made further explanation and description with reference to specific embodiment.
Embodiment 1：
The rubble clay core wall material of mixing stone contents 25%：
Rubble clay core wall material Making programme figure as shown in figure 1, facade exploitation backhoe to mix artwork as shown in Figure 2.
Blend field specification：8m×15m；
Clay material paves individual layer thickness for 75cm, and metaling paves individual layer thickness for 25cm, and alternating horizontal making is spread first
Clay material, totally 6 layers；
Exploited and dug with backacter 40cm thickness facade after the completion of stone, backacter mix 4 times；
Quality testing is using the method for determining admixture medium stone mass content and its uniformity, compound stone contents control
Make within ± the 5% of design content, sampling is representative, each testing site samples 100kg, from different position samples
7, stone contents therein are detected, the uniformity of rubble clay core wall material manufactured in the present embodiment is as shown in table 1.
Embodiment 2：
The rubble clay core wall material of mixing stone contents 30%：
Rubble clay core wall material Making programme figure as shown in figure 1, facade exploitation backhoe to mix artwork as shown in Figure 2.
Blend field specification：8m×15m；
Clay material paves individual layer thickness for 70cm, and metaling paves individual layer thickness for 30cm, and alternating horizontal making is spread first
Clay material, totally 6 layers；
Exploited and dug with backacter 40cm thickness facade after the completion of stone, backacter mix 4 times；
Quality testing is using the method for determining admixture medium stone mass content and its uniformity, compound stone contents control
Make within ± the 5% of design content, sampling is representative, each testing site samples 100kg, from different position samples
7, stone contents therein are detected, the uniformity of rubble clay core wall material manufactured in the present embodiment is as shown in table 1.
Embodiment 3：
The rubble clay core wall material of mixing stone contents 35%：
Rubble clay core wall material Making programme figure as shown in figure 1, facade exploitation backhoe to mix artwork as shown in Figure 2.
Blend field specification：8m×15m；
Clay material paves individual layer thickness for 65cm, and metaling paves individual layer thickness for 35cm, and alternating horizontal making is spread first
Clay material, totally 6 layers；
Exploited and dug with backacter 50cm thickness facade after the completion of stone, backacter mix 3 times；
Quality testing is using the method for determining admixture medium stone mass content and its uniformity, compound stone contents control
Make within ± the 5% of design content, sampling is representative, each testing site samples 100kg, from different position samples
7, stone contents therein are detected, the uniformity of rubble clay core wall material manufactured in the present embodiment is as shown in table 1.
Test case：
The uniformity such as following table of rubble clay core wall material prepared by embodiment 1~3：
The uniformity test result of the rubble clay core wall material of the embodiment 1~3 of table 1
Above-described embodiment is preferably embodiment, but embodiments of the present invention are not by above-described embodiment of the invention
Limitation, other any Spirit Essences without departing from the present invention and the change made under principle, modification, replacement, combine, simplification,
Equivalent substitute mode is should be, is included within protection scope of the present invention.
Claims (5)
1. a kind of preparation method of rubble clay core wall material, it is characterised in that：Comprise the following steps：
1）According to earth material, filter material and metaling system of processing and the arrangement of upper dam road set the upper dam of excavation with blend field and
Get the raw materials ready with blending field, cleaning, smooth blending field；
2）The size grading of metaling and clay material is determined according to design objective, design core-wall material envelope and grain composition and contained
Water rate, then calculate the mass ratio for determining metaling and clay material；
3）Pave individual layer thickness, the alternating layers of metaling and clay material are determined according to design parameter, blending place shape and construction machinery
Number and stockpile design heap are high；
4）Small-scale Blending Experiments are carried out, blending replaces stone using level；
5）Paved parameter according to small-scale Blending Experiments modified result, then carry out extensive stone and blending；
6）Leftover pieces formation exploitation facade is cut out after the completion of stone with backacter；
7）Facade exploitation, repeatedly mix are carried out with backacter, rubble clay core wall material is obtained.
2. preparation method according to claim 1, it is characterised in that：Step 1）Described getting the raw materials ready with field is blended is 1~3
It is individual.
3. preparation method according to claim 1, it is characterised in that：Step 4）The thickness of the stone by spirit level or
Total powerstation is controlled.
4. preparation method according to claim 1, it is characterised in that：Step 5）Carry out the gradient of aspect during stone for 1%~
2%。
5. preparation method according to claim 1, it is characterised in that：Step 7）The thickness of described facade exploitation for 30~
50cm。
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710233404.9A CN106996095B (en) | 2017-04-11 | 2017-04-11 | A kind of production method of rubble clay core wall material |
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| CN201710233404.9A CN106996095B (en) | 2017-04-11 | 2017-04-11 | A kind of production method of rubble clay core wall material |
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| CN106996095A true CN106996095A (en) | 2017-08-01 |
| CN106996095B CN106996095B (en) | 2019-01-04 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109987894A (en) * | 2019-05-06 | 2019-07-09 | 土上（北京）建筑设计咨询有限公司 | Cob earth material and the method for evaluating cob earth material |
| CN112536914A (en) * | 2020-11-27 | 2021-03-23 | 中国电建集团成都勘测设计研究院有限公司 | Gravel doping method for core wall soil material of core wall dam |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2014162563A (en) * | 2013-02-21 | 2014-09-08 | Kajima Corp | Volumetric feeder and method for application of compacting soil using volumetric feeder |
| CN104264698A (en) * | 2014-09-05 | 2015-01-07 | 中国葛洲坝集团国际工程有限公司 | Construction method of clay core earth rock cofferdam |
| CN205604186U (en) * | 2015-12-03 | 2016-09-28 | 云南润晶水利电力工程技术股份有限公司 | Clay core morals and manners material dam |
| CN106368176A (en) * | 2016-11-08 | 2017-02-01 | 中国电建集团成都勘测设计研究院有限公司 | High dam structure built on deep overburden of soil material shortage area |
-
2017
- 2017-04-11 CN CN201710233404.9A patent/CN106996095B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014162563A (en) * | 2013-02-21 | 2014-09-08 | Kajima Corp | Volumetric feeder and method for application of compacting soil using volumetric feeder |
| CN104264698A (en) * | 2014-09-05 | 2015-01-07 | 中国葛洲坝集团国际工程有限公司 | Construction method of clay core earth rock cofferdam |
| CN205604186U (en) * | 2015-12-03 | 2016-09-28 | 云南润晶水利电力工程技术股份有限公司 | Clay core morals and manners material dam |
| CN106368176A (en) * | 2016-11-08 | 2017-02-01 | 中国电建集团成都勘测设计研究院有限公司 | High dam structure built on deep overburden of soil material shortage area |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109987894A (en) * | 2019-05-06 | 2019-07-09 | 土上（北京）建筑设计咨询有限公司 | Cob earth material and the method for evaluating cob earth material |
| CN112536914A (en) * | 2020-11-27 | 2021-03-23 | 中国电建集团成都勘测设计研究院有限公司 | Gravel doping method for core wall soil material of core wall dam |
| CN112536914B (en) * | 2020-11-27 | 2022-04-08 | 中国电建集团成都勘测设计研究院有限公司 | Gravel doping method for core wall soil material of core wall dam |
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| CN106996095B (en) | 2019-01-04 |
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