CN111844355A - Prefabrication construction process for ensuring construction quality of drainage body reverse filter layer - Google Patents
Prefabrication construction process for ensuring construction quality of drainage body reverse filter layer Download PDFInfo
- Publication number
- CN111844355A CN111844355A CN202010731372.7A CN202010731372A CN111844355A CN 111844355 A CN111844355 A CN 111844355A CN 202010731372 A CN202010731372 A CN 202010731372A CN 111844355 A CN111844355 A CN 111844355A
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- China
- Prior art keywords
- inverted filter
- filter layer
- vibrating
- layer
- drainage body
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B1/00—Producing shaped prefabricated articles from the material
- B28B1/08—Producing shaped prefabricated articles from the material by vibrating or jolting
- B28B1/087—Producing shaped prefabricated articles from the material by vibrating or jolting by means acting on the mould ; Fixation thereof to the mould
- B28B1/0873—Producing shaped prefabricated articles from the material by vibrating or jolting by means acting on the mould ; Fixation thereof to the mould the mould being placed on vibrating or jolting supports, e.g. moulding tables
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B1/00—Producing shaped prefabricated articles from the material
- B28B1/007—Producing shaped prefabricated articles from the material by freezing the material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B1/00—Producing shaped prefabricated articles from the material
- B28B1/14—Producing shaped prefabricated articles from the material by simple casting, the material being neither forcibly fed nor positively compacted
- B28B1/16—Producing shaped prefabricated articles from the material by simple casting, the material being neither forcibly fed nor positively compacted for producing layered articles
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D3/00—Improving or preserving soil or rock, e.g. preserving permafrost soil
- E02D3/02—Improving by compacting
- E02D3/10—Improving by compacting by watering, draining, de-aerating or blasting, e.g. by installing sand or wick drains
Abstract
The invention discloses a prefabrication construction process for ensuring construction quality of a drainage body reverse filter layer, which comprises the following steps: assembling templates on a vibrating table according to design data, and enclosing a space for a reverse filtering layer through the templates at four edges; putting an inverted filter layer A prefabricated by sand and stone at the bottommost part of a space surrounded by the template, vibrating, then sequentially paving an inverted filter layer B, an inverted filter layer C and an inverted filter layer D prefabricated by the sand and the stone, vibrating and rolling one inverted filter layer every time one inverted filter layer is paved, and prefabricating solid building blocks with equal thickness; and combining the solid building blocks into a whole by adopting bonding layers, paving on site, and after the condensation material is dissipated after paving is finished, vibrating and compacting the splicing seams by adopting a flat vibrating tamper. The invention solves the problems of uneven thickness, uneven particles, long-term hidden quality trouble and the like of the traditional manual paving, and ensures that the construction quality of the drainage body inverted filter layer under various conditions meets the design requirements; meanwhile, construction operation is facilitated, and construction progress is accelerated.
Description
Technical Field
The invention relates to the technical field of construction of earth-rock dams and embankment projects in hydraulic and hydroelectric engineering, in particular to a prefabrication construction process for ensuring construction quality of a drainage body inverted filter.
Background
In the construction of earth-rock dams and dyke projects, the inverted filter construction of clay core (inclined) walls and the filling of dam bodies and dyke bodies are synchronously raised, the structure size of the inverted filter is large, the zonal filling, layering and compaction are easily achieved in the construction process, and the quality can be ensured; the drainage body inverted filter layer often can not be constructed with the dam body dyke body in the same period, and the structure size is less relatively, and thickness is thinner, and the slope is steeper, and the graduation continuity type is higher, and traditional manual laying construction is difficult to satisfy the quality requirement.
Disclosure of Invention
The invention aims to provide a prefabrication construction process for ensuring the construction quality of a drainage body reverse filtering layer, which solves the problems of uneven thickness, uneven particles, long-term hidden quality danger and the like of the traditional manual laying and ensures that the construction quality of the drainage body reverse filtering layer under various conditions meets the design requirements; meanwhile, construction operation is facilitated, construction progress is accelerated, and the problems in the background art can be solved.
In order to achieve the purpose, the invention provides the following technical scheme:
a prefabrication construction process for ensuring construction quality of a drainage body reverse filtering layer comprises the following steps:
step 1: screening the raw materials for the reverse filtration according to design data, assembling templates on a vibrating table, and enclosing a space for a reverse filtration layer through the templates at four edges;
step 2: putting an inverted filter layer A prefabricated by sand and stone at the bottommost part of a space surrounded by the template, vibrating, then sequentially paving an inverted filter layer B, an inverted filter layer C and an inverted filter layer D prefabricated by the sand and the stone, vibrating and rolling one inverted filter layer after each inverted filter layer is paved, and manufacturing the inverted filter layer A into a solid building block with equal thickness by adopting a freezing or environment-friendly binder after rolling;
and step 3: and (3) combining the solid building blocks in the step (2) into a whole by adopting bonding layers, paving on site, and after the bonding layers are dissipated after paving is finished, vibrating and compacting the splicing seams by adopting a flat vibrating tamper.
Further, the vibrating table is provided with a convex block.
Further, the middle of the inverted filter layer D is provided with a groove which is formed by four plates covered by templates.
Furthermore, the bonding mode of the bonding layer is water freezing or environment-friendly bonding agent.
Further, the laying order of the inverted filter is from coarse particles to fine particles.
Further, the laying order of the inverted filter is from fine particles to coarse particles.
Compared with the prior art, the invention has the beneficial effects that:
the drainage body inverted filter layer can be vibrated and rolled compactly in the prefabrication process, the problems that rolling cannot be carried out on a slope surface and the compactness is unqualified when the slope surface is paved on site are solved, prefabricated inverted filter layer blocks are convenient to pave on site, are suitable for planes, slopes, curved surfaces and the like, the adaptability is strong, the construction speed is high, the problem of low slope surface paving efficiency on site is solved, the prefabrication work of the drainage body inverted filter layer is finished indoors, the influence of weather is small, the problems that the traditional manual paving is uneven in thickness, uneven in particles, long-term hidden quality hazards exist and the like are solved, and the construction quality of the drainage body inverted filter layer under various conditions is ensured to meet; meanwhile, construction operation is facilitated, and construction progress is accelerated.
Drawings
FIG. 1 is a schematic diagram of the assembly of the formwork during the prefabrication of the inverted filter layer of the present invention;
FIG. 2 is a schematic illustration of the inverted filter preparation of the present invention;
FIG. 3 is a schematic view of the overall structure of the inverse filter layers of the present invention bonded to each other;
FIG. 4 is a cross-sectional view of an inverted filter laid equal thickness solid block of the present invention from coarse to fine particles;
fig. 5 is a cross-sectional view of an inverted filter laid equal thickness solid block of the present invention from fine to coarse particles.
In the figure: 1. a vibrating table; 11. a bump; 2. a template; 4. an inverted filter layer A; 5. an inverted filter layer B; 6. an inverted filter layer C; 7. an inverted filter layer D; 8. and (6) bonding layers.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
A prefabrication construction process for ensuring construction quality of a drainage body reverse filtering layer comprises the following steps:
step 1: according to design data, the templates 2 are assembled on the vibrating table 1, the templates 2 are mutually embedded with the clamping grooves through the clamping blocks, a space for a reverse filtering layer is formed by enclosing the four edges of the templates 2 (as shown in figure 1), the top of the template 2 is covered by the other template 2, a gap is reserved between the top template 2 and the templates 2 on the two side faces, and the reverse filtering layer D7 can conveniently form convex notches at the corners of the side edges;
step 2: putting an inverted filter layer A4 prefabricated by sand and stone at the bottommost part of a space surrounded by the template 2, vibrating, then sequentially paving an inverted filter layer B5, an inverted filter layer C6 and an inverted filter layer D7 (shown in figure 2) prefabricated by the sand and the stone, vibrating and rolling one inverted filter layer each time, enabling the layers to be tightly combined, adopting frozen or environment-friendly bonding agents to manufacture the solid building blocks with the same thickness (the size can be adjusted) after rolling, adjusting the size of the solid building by changing the number of the inverted filter layers, prefabricating a notch at an oblique angle of the solid building block, prefabricating a notch at a diagonal position with the notch, wherein the two notches have the same size, so that the solid building blocks are conveniently piled up to be uniform in stress and good in stability;
and step 3: and (3) combining the solid building blocks in the step (2) into a whole by adopting a bonding layer 8 (as shown in figure 3), wherein the bonding mode of the bonding layer 8 is to adopt water-adding freezing or environment-friendly bonding agent, paving on site, and vibrating and compacting the splicing seams by adopting a flat vibrating tamper after the bonding layer 8 is dissipated after paving is finished.
The vibrating table 1 is provided with a convex block 11, so that the solid blocks can form convex gaps conveniently, and the solid blocks can be piled up and answered together through the convex gaps when being paved as a whole combined by adopting the bonding layers 8.
The laying sequence of the inverted filter is from coarse particles to fine particles (as shown in figure 4).
Example 2
A prefabrication construction process for ensuring construction quality of a drainage body reverse filtering layer comprises the following steps:
step 1: according to design data, the templates 2 are assembled on the vibrating table 1, the templates 2 are mutually embedded with the clamping grooves through the clamping blocks, a space for a reverse filtering layer is formed by the four edges of the templates 2 in an enclosing mode, the top of the template 2 is covered by the other template 2, a gap is reserved between the top template 2 and the templates 2 on the two side faces, and the reverse filtering layer D7 can conveniently form convex notches at the corners of the side edges;
step 2: putting an inverted filter layer A4 prefabricated by sand and stone at the bottommost part of a space surrounded by the template 2, vibrating, then sequentially paving an inverted filter layer B5, an inverted filter layer C6 and an inverted filter layer D7 (shown in figure 2) prefabricated by the sand and the stone, vibrating and rolling one inverted filter layer each time, enabling the layers to be tightly combined, adopting frozen or environment-friendly bonding agents to manufacture the solid building blocks with the same thickness (the size can be adjusted) after rolling, adjusting the size of the solid building by changing the number of the inverted filter layers, prefabricating a notch at an oblique angle of the solid building block, prefabricating a notch at a diagonal position with the notch, wherein the two notches have the same size, so that the solid building blocks are conveniently piled up to be uniform in stress and good in stability;
and step 3: and (3) combining the solid building blocks in the step (2) into a whole by adopting a bonding layer 8, wherein the bonding mode of the bonding layer 8 is to adopt water-adding freezing or environment-friendly bonding agent, paving on site, and vibrating and compacting the splicing seams by adopting a flat vibrating tamper after the bonding layer 8 is dissipated after paving is finished.
The vibrating table 1 is provided with a convex block 11, so that the solid blocks can form convex gaps conveniently, and the solid blocks can be piled up and answered together through the convex gaps when being paved as a whole combined by adopting the bonding layers 8.
The laying sequence of the inverted filter is from fine particles to coarse particles (as shown in figure 5).
In the implementation of the invention, the materials are prepared according to the design requirements. And screening the reverse filtration raw material, and preparing according to the gradation of the reverse filtration layer. And (3) carrying out rolling vibration test, cementing material bonding test or freezing test on the prepared batch of material to determine related technical parameters. And (5) prefabricating in batch production according to the technical parameters obtained by the test. And (5) storing the finished product. And (5) installing on a construction site.
The inverted filter layer of the invention adopts two paving sequences, namely from coarse particles to fine particles and from fine particles to coarse particles, and the two paving modes can achieve the technical effects of strong adaptability and high construction speed.
In the invention, solid building blocks are combined into a whole by the bonding layer 8 in the drainage body inverted filter layer prefabricating process, the solid building blocks are paved on site, after paving is finished and the bonding layer 8 is scattered, a flat vibrating rammer is adopted to vibrate and compact a splicing seam, and the problems that slope surface on-site paving cannot be performed and the compactness is unqualified are solved because the vibration and compaction are adopted.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical solutions and the inventive concepts of the present invention within the technical scope of the present invention.
Claims (6)
1. The prefabrication construction process for ensuring construction quality of the drainage body reverse filter layer is characterized by comprising the following steps of:
step 1: screening the raw materials for the reverse filtration according to design data, assembling templates (2) on a vibrating table (1), and enclosing a space for a reverse filtration layer through the templates (2) at four edges;
step 2: putting an inverted filter layer A (4) prefabricated by sand and stone at the bottommost part of a space surrounded by the template (2), vibrating, then sequentially paving an inverted filter layer B (5), an inverted filter layer C (6) and an inverted filter layer D (7) prefabricated by the sand and the stone, vibrating and rolling one inverted filter layer after each inverted filter layer is paved, and manufacturing the inverted filter layers into solid building blocks with equal thickness by adopting frozen or environment-friendly binders after rolling;
and step 3: and (3) combining the solid building blocks in the step (2) into a whole by adopting the bonding layer (8), paving on site, and after the bonding layer (8) is dissipated, vibrating and compacting the splicing seams by adopting a flat vibrating tamper.
2. The prefabrication process for ensuring the construction quality of drainage body inverted filter according to claim 1, wherein said vibrating table (1) has a projection (11) thereon.
3. Prefabrication process for ensuring the construction quality of drainage body inverted filter according to claim 1, characterized in that the side of the inverted filter D (7) has grooves formed by the sheet covered by four formworks (2).
4. The prefabrication process for ensuring the construction quality of the inverted filter of a drainage body as claimed in claim 1, wherein said adhesive layer (8) is adhered by water freezing or environmental adhesive.
5. The prefabrication process for ensuring the construction quality of the drainage body inverted filter according to claim 1, wherein the inverted filter is laid in a sequence from coarse grains to fine grains.
6. The prefabrication process for constructing the inverted filter of drainage body as claimed in claim 1, wherein the inverted filter is laid in the order of fine particles to coarse particles.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010731372.7A CN111844355B (en) | 2020-07-27 | 2020-07-27 | Prefabrication construction process for ensuring construction quality of drainage body reverse filtering layer |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010731372.7A CN111844355B (en) | 2020-07-27 | 2020-07-27 | Prefabrication construction process for ensuring construction quality of drainage body reverse filtering layer |
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| CN111844355A true CN111844355A (en) | 2020-10-30 |
| CN111844355B CN111844355B (en) | 2022-05-13 |
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Citations (8)
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|---|---|---|---|---|
| CN202644482U (en) * | 2012-03-09 | 2013-01-02 | 河海大学 | Filtration type pervious concrete precast slab |
| CN102864783A (en) * | 2011-07-04 | 2013-01-09 | 北京亚盟达新型材料技术有限公司 | Vegetative reversed filter concrete block and retaining wall |
| CN103774617A (en) * | 2013-12-06 | 2014-05-07 | 浙江水利水电学院 | Mutually-embedded type slope protection building block and construction method thereof |
| CN104129948A (en) * | 2014-07-28 | 2014-11-05 | 鞍钢集团矿业公司 | Reversed filtration block prepared from coal slag or mineral slag and preparation method thereof |
| CN104947651A (en) * | 2015-05-03 | 2015-09-30 | 北京工业大学 | Anti-liquefaction method applicable to sand foundation of subway station |
| CN106400743A (en) * | 2016-09-22 | 2017-02-15 | 南昌大学 | Filtration structure for dam |
| CN206667291U (en) * | 2017-04-26 | 2017-11-24 | 中国葛洲坝集团勘测设计有限公司 | A kind of prefabricated anti-filter bag for retaining wall draining |
| CN210194383U (en) * | 2019-06-14 | 2020-03-27 | 中建二局第三建筑工程有限公司 | Road surface structure of colored runway |
-
2020
- 2020-07-27 CN CN202010731372.7A patent/CN111844355B/en active Active
Patent Citations (8)
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| CN102864783A (en) * | 2011-07-04 | 2013-01-09 | 北京亚盟达新型材料技术有限公司 | Vegetative reversed filter concrete block and retaining wall |
| CN202644482U (en) * | 2012-03-09 | 2013-01-02 | 河海大学 | Filtration type pervious concrete precast slab |
| CN103774617A (en) * | 2013-12-06 | 2014-05-07 | 浙江水利水电学院 | Mutually-embedded type slope protection building block and construction method thereof |
| CN104129948A (en) * | 2014-07-28 | 2014-11-05 | 鞍钢集团矿业公司 | Reversed filtration block prepared from coal slag or mineral slag and preparation method thereof |
| CN104947651A (en) * | 2015-05-03 | 2015-09-30 | 北京工业大学 | Anti-liquefaction method applicable to sand foundation of subway station |
| CN106400743A (en) * | 2016-09-22 | 2017-02-15 | 南昌大学 | Filtration structure for dam |
| CN206667291U (en) * | 2017-04-26 | 2017-11-24 | 中国葛洲坝集团勘测设计有限公司 | A kind of prefabricated anti-filter bag for retaining wall draining |
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Non-Patent Citations (1)
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| CN111844355B (en) | 2022-05-13 |
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Inventor after: Pan Huanqing Inventor after: Cao Binbin Inventor after: Wang Jinlong Inventor after: Gao Yue Inventor after: Wang Hao Inventor after: Zhang Guangyang Inventor after: Qiao Na Inventor after: Hou Xiaowei Inventor after: Ren Weijun Inventor after: Zhao Xinguang Inventor after: Yu Qinglin Inventor after: Li Junmeng Inventor after: Zhang Xiaohui Inventor after: Liu Tao Inventor after: Zou Peng Inventor after: Liang Chongqian Inventor after: Yu Jiang Inventor after: Yang Zhongying Inventor before: Pan Huanqing Inventor before: Cao Binbin Inventor before: Wang Jinlong Inventor before: Gao Yue Inventor before: Wang Hao Inventor before: Zhang Guangyang Inventor before: Qiao Na Inventor before: Hou Xiaowei Inventor before: Ren Weijun Inventor before: Zhao Xinguang Inventor before: Yu Qinglin Inventor before: Li Junmeng Inventor before: Zhang Xiaohui Inventor before: Liu Tao Inventor before: Zou Peng Inventor before: Liang Chongqian Inventor before: Yu Jiang Inventor before: Yang Zhongying |
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