CN113062350B - Flexible connecting device for concrete panel and geosynthetic material and construction method - Google Patents
Flexible connecting device for concrete panel and geosynthetic material and construction method Download PDFInfo
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- CN113062350B CN113062350B CN202110287903.2A CN202110287903A CN113062350B CN 113062350 B CN113062350 B CN 113062350B CN 202110287903 A CN202110287903 A CN 202110287903A CN 113062350 B CN113062350 B CN 113062350B
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- sliding groove
- longitudinal sliding
- disc clamp
- concrete panel
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/02—Retaining or protecting walls
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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
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/02—Retaining or protecting walls
- E02D29/0225—Retaining or protecting walls comprising retention means in the backfill
- E02D29/0241—Retaining or protecting walls comprising retention means in the backfill the retention means being reinforced earth elements
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2300/00—Materials
- E02D2300/0004—Synthetics
- E02D2300/0018—Cement used as binder
- E02D2300/002—Concrete
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2600/00—Miscellaneous
- E02D2600/20—Miscellaneous comprising details of connection between elements
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Civil Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
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Abstract
The invention discloses a flexible connecting device for a concrete panel and a geosynthetic material and a construction method thereof. The connecting device well solves the problem of stress concentration at the joint of the concrete panel and the geosynthetic material, and improves the shock resistance and the stability of the reinforced soil structure.
Description
Technical Field
The invention belongs to the technical field of geotechnical engineering, and particularly relates to a device for flexibly connecting a concrete panel and a geosynthetic material.
Background
In the construction of a reinforced earth structure made of geosynthetics, a concrete panel is often arranged to play a role in supporting and beautifying. At present, a mode of disconnection or rigid connection is usually adopted between the geosynthetic material and the concrete panel, and if the mode of disconnection is adopted, the restriction and supporting effect of the concrete panel on a soil body can be reduced; if adopt rigid connection's mode, reinforced earth is as the flexible construction, and the concrete panel is rigid construction, and along with time lapse or under the earthquake load effect, can produce the difference and subside between the two, and geosynthetic material can produce the downward drag power to the concrete panel in junction, makes geosynthetic material have the risk of being broken by the drawing, can not full play reinforced earth structure resist deformation and shock resistance, is unfavorable for reinforced earth structure's stability.
Disclosure of Invention
The invention aims to provide a flexible connecting device for a concrete panel and a geosynthetic material and a construction method.
In order to solve the technical problems, the invention provides the following technical scheme: the utility model provides a concrete panel and geosynthetic material flexible connection device, it includes the concrete panel, the back terminal surface processing of concrete panel has vertical spout, vertical spout is inside to be connected with the head rod through longitudinal sliding mechanism, the other end of head rod is fixed with horizontal spout, the inside of horizontal spout is connected with the second connecting rod through horizontal sliding mechanism, the other end fixed mounting of second connecting rod is used for the anchor clamps mechanism that links to each other with the geosynthetic material layer cooperation.
The longitudinal sliding mechanism comprises a longitudinal sliding block, the longitudinal sliding block and the longitudinal sliding groove form sliding fit, and the outer wall of the longitudinal sliding block is provided with a longitudinal pulley matched with the longitudinal sliding groove.
The transverse sliding mechanism comprises a transverse sliding block, the transverse sliding block and the transverse sliding groove form sliding fit, and a transverse pulley matched with the transverse sliding groove is installed on the outer wall of the transverse sliding block.
The clamp mechanism comprises a lower disc clamp fixed at the end of the second connecting rod, an upper disc clamp is fixedly installed at the top of the lower disc clamp through a rivet, and a geosynthetic material layer is compressed and fixed between the lower disc clamp and the upper disc clamp.
The matched end surfaces of the lower disc clamp and the upper disc clamp are provided with bulges.
A construction method of a flexible connecting device of a concrete panel and a geosynthetic material comprises the following steps:
the method comprises the following steps: in the concrete panel pouring process, firstly, a longitudinal sliding groove is formed in the concrete panel by utilizing a template;
step two: after the concrete panel is molded, clamping the prefabricated longitudinal sliding mechanism and the first connecting rod into the longitudinal sliding groove, and ensuring that the longitudinal sliding block can normally slide in the longitudinal sliding groove;
step three: fixedly connecting the transverse sliding groove with the first connecting rod, and ensuring that the transverse sliding groove and the longitudinal sliding groove are vertically arranged;
step four: clamping the prefabricated transverse sliding mechanism and the second connecting rod into the transverse sliding groove, and ensuring that the transverse sliding block can normally slide in the transverse sliding groove;
step five: fixedly connecting the second connecting rod with the lower disc clamp;
step six: laying the geosynthetic material layer on the upper part of the lower disc clamp, and closing the upper disc clamp;
step seven: after the geosynthetic layer is laid, fixing the geosynthetic layer between the upper disc clamp and the lower disc clamp by using rivets;
step eight: and (5) laying a certain height on each layer of the geosynthetic layer, and repeating the third step to the seventh step to complete the connection of the geosynthetic layer and the concrete panel.
The invention has the following beneficial effects:
1. the device realizes the longitudinal relative sliding and the transverse relative sliding between the concrete panel and the reinforced soil composite material layer by arranging the longitudinal sliding chute, the transverse sliding chute and the clamp, and the control panel can be outwards separated from the reinforced soil under the action of an earthquake, thereby improving the shock resistance and the stability of reinforced soil structures such as a reinforced earth-rock dam, a reinforced earth retaining wall and the like.
2. Through the cooperation between the longitudinal sliding groove and the longitudinal sliding mechanism, the longitudinal sliding mechanism can adapt to longitudinal displacement within a certain range.
3. Through the cooperation between the transverse sliding chute and the transverse sliding mechanism, the transverse sliding mechanism can adapt to the transverse displacement within a certain range.
4. Through foretell fixture mechanism can realize the reliable high-speed joint to geosynthetic material layer.
Drawings
The invention is further illustrated by the following figures and examples.
Fig. 1 is a longitudinal sectional view of a concrete panel and geosynthetic flexible connector of the present invention.
Fig. 2 is a transverse cross-sectional view of a concrete panel and geosynthetic flexible connector of the present invention.
In the figure: 1-concrete panels; 2-a first connecting rod; 3-a transverse chute; 4-a transverse pulley; 5-a second connecting rod; 6-an upper disc clamp; 7-lower disc clamp; 8-riveting; 9-bulge; 10-longitudinal pulley.
Detailed Description
Embodiments of the present invention will be further described with reference to the accompanying drawings.
Example 1:
as shown in fig. 1-2, a concrete panel and geosynthetic material flexible connection device, it includes concrete panel 1, the back terminal surface processing of concrete panel 1 has vertical spout, vertical spout is inside to be connected with head rod 2 through longitudinal sliding mechanism, the other end of head rod 2 is fixed with horizontal spout 3, the inside of horizontal spout 3 is connected with second connecting rod 5 through horizontal sliding mechanism, the other end fixed mounting of second connecting rod 5 has the anchor clamps mechanism that is used for linking to each other with the cooperation of geosynthetic material layer. The flexible connecting device improves the connecting mode between the concrete panel and the geosynthetic layer, and realizes flexible connection. The transverse and longitudinal sliding in a certain range can be realized between the reinforced earth and the reinforced earth, and the shock resistance and the stability of the reinforced earth structure are improved.
Furthermore, the longitudinal sliding mechanism comprises a longitudinal sliding block, the longitudinal sliding block and the longitudinal sliding groove form sliding fit, and the outer wall of the longitudinal sliding block is provided with a longitudinal pulley 10 used for being matched with the longitudinal sliding groove. The longitudinal sliding mechanism ensures that the whole device can adapt to displacement in a longitudinal range.
Furthermore, the transverse sliding mechanism comprises a transverse sliding block, the transverse sliding block and the transverse sliding groove 3 form sliding fit, and a transverse pulley 4 used for being matched with the transverse sliding groove is installed on the outer wall of the transverse sliding block. The transverse sliding mechanism ensures that the whole device can adapt to displacement in a transverse range.
Further, the fixture mechanism comprises a lower disc fixture 7 fixed at the end of the second connecting rod 5, an upper disc fixture 6 is fixedly mounted at the top of the lower disc fixture 7 through a rivet 8, and the geosynthetic material layer is compressed and fixed between the lower disc fixture 7 and the upper disc fixture 6. The clamp mechanism can be used for quickly and reliably connecting and fixing the whole device with the geosynthetic material layer.
Furthermore, a protrusion 9 is processed on the end surface of the lower disc clamp 7 matched with the upper disc clamp 6. The roughness between the lower disc clamp 7 and the upper disc clamp 6 is increased by adopting the bulge 9, so that the friction force is increased, and the connection reliability between the geosynthetic material layer and the clamp mechanism is enhanced.
Example 2:
a construction method of a flexible connecting device of a concrete panel and a geosynthetic material comprises the following steps:
the method comprises the following steps: in the pouring process of the concrete panel 1, firstly, a longitudinal sliding groove is formed in the concrete panel 1 by utilizing a template;
step two: after the concrete panel 1 is molded, clamping the prefabricated longitudinal sliding mechanism and the first connecting rod 2 into the longitudinal sliding groove, and ensuring that the longitudinal sliding block can normally slide in the longitudinal sliding groove;
step three: fixedly connecting the transverse sliding chute 3 with the first connecting rod 2, and ensuring that the transverse sliding chute 3 and the longitudinal sliding chute are in a vertical arrangement state;
step four: clamping a prefabricated transverse sliding mechanism and a second connecting rod 5 into the transverse sliding groove 3, and ensuring that a transverse sliding block can normally slide in the transverse sliding groove;
step five: fixedly connecting the second connecting rod 5 with a lower disc clamp 7;
step six: laying the geosynthetic material layer on the upper part of the lower disc clamp 7, and closing the upper disc clamp 6;
step seven: after the geosynthetic layer is laid, fixing the geosynthetic layer between the upper disc clamp 6 and the lower disc clamp 7 by using the rivet 8;
step eight: and (5) laying a certain height on each layer of the geosynthetic layer, and repeating the third step to the seventh step to complete the connection of the geosynthetic layer and the concrete panel.
Claims (3)
1. A construction method of a flexible connecting device of a concrete panel and a geosynthetic material comprises the concrete panel (1), a longitudinal sliding groove is machined in the back end face of the concrete panel (1), a first connecting rod (2) is connected to the inside of the longitudinal sliding groove through a longitudinal sliding mechanism, a transverse sliding groove (3) is fixed to the other end of the first connecting rod (2), a second connecting rod (5) is connected to the inside of the transverse sliding groove (3) through a transverse sliding mechanism, and a clamp mechanism used for being matched and connected with a geosynthetic material layer is fixedly installed at the other end of the second connecting rod (5);
the longitudinal sliding mechanism comprises a longitudinal sliding block, the longitudinal sliding block and the longitudinal sliding groove form sliding fit, and a longitudinal pulley (10) matched with the longitudinal sliding groove is mounted on the outer wall of the longitudinal sliding block;
the transverse sliding mechanism comprises a transverse sliding block, the transverse sliding block and a transverse sliding groove (3) form sliding fit, and a transverse pulley (4) matched with the transverse sliding groove is installed on the outer wall of the transverse sliding block;
the construction method is characterized by comprising the following steps:
the method comprises the following steps: in the pouring process of the concrete panel (1), firstly, a longitudinal sliding groove is formed in the concrete panel (1) by utilizing a template;
step two: after the concrete panel (1) is molded, clamping the prefabricated longitudinal sliding mechanism and the first connecting rod (2) into the longitudinal sliding groove, and ensuring that the longitudinal sliding block can normally slide in the longitudinal sliding groove;
step three: fixedly connecting the transverse sliding chute (3) with the first connecting rod (2), and ensuring that the transverse sliding chute (3) and the longitudinal sliding chute are vertically arranged;
step four: clamping a prefabricated transverse sliding mechanism and a second connecting rod (5) into a transverse sliding groove (3), and ensuring that a transverse sliding block can normally slide in the transverse sliding groove;
step five: fixedly connecting the second connecting rod (5) with a lower disc clamp (7);
step six: laying the geosynthetic material layer on the upper part of the lower disc clamp (7), and closing the upper disc clamp (6);
step seven: after the geosynthetic layer is laid, fixing the geosynthetic layer between the upper disc clamp (6) and the lower disc clamp (7) by using a rivet (8);
step eight: and (5) laying a certain height on each layer of the geosynthetic layer, and repeating the third step to the seventh step to complete the connection of the geosynthetic layer and the concrete panel.
2. The method of constructing a flexible joint between a concrete deck and a geosynthetic material of claim 1 wherein: the clamp mechanism comprises a lower disc clamp (7) fixed at the end of the second connecting rod (5), an upper disc clamp (6) is fixedly installed at the top of the lower disc clamp (7) through a rivet (8), and the geosynthetic material layer is tightly pressed and fixed between the lower disc clamp (7) and the upper disc clamp (6).
3. The method of constructing a flexible joint between a concrete deck and a geosynthetic material of claim 1 wherein: and a bulge (9) is processed on the matched end surface of the lower disc clamp (7) and the upper disc clamp (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110287903.2A CN113062350B (en) | 2021-03-17 | 2021-03-17 | Flexible connecting device for concrete panel and geosynthetic material and construction method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110287903.2A CN113062350B (en) | 2021-03-17 | 2021-03-17 | Flexible connecting device for concrete panel and geosynthetic material and construction method |
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| CN113062350A CN113062350A (en) | 2021-07-02 |
| CN113062350B true CN113062350B (en) | 2022-06-07 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6443663B1 (en) * | 2000-10-25 | 2002-09-03 | Geostar Corp. | Self-locking clamp for engaging soil-reinforcing sheet in earth retaining wall and method |
| JP2012092583A (en) * | 2010-10-27 | 2012-05-17 | Jfe Metal Products & Engineering Inc | Dam and dam construction method |
| CN109706812A (en) * | 2019-01-17 | 2019-05-03 | 同济大学 | A kind of reinforced soil with geosynthetics construction method and device |
| CN210712761U (en) * | 2019-08-01 | 2020-06-09 | 福建南水建设工程有限公司 | Concrete panel rock-fill dam's top layer stagnant water structure among water conservancy water and electricity construction |
| CN214656916U (en) * | 2021-03-17 | 2021-11-09 | 中国长江三峡集团有限公司 | Flexible connecting device for concrete panel and geosynthetic material |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120020745A1 (en) * | 2010-07-23 | 2012-01-26 | Miller Stanley Mark | Tubular sock module with integrated geogrid extensions for constructing stabilized-earth walls and slopes |
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2021
- 2021-03-17 CN CN202110287903.2A patent/CN113062350B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6443663B1 (en) * | 2000-10-25 | 2002-09-03 | Geostar Corp. | Self-locking clamp for engaging soil-reinforcing sheet in earth retaining wall and method |
| JP2012092583A (en) * | 2010-10-27 | 2012-05-17 | Jfe Metal Products & Engineering Inc | Dam and dam construction method |
| CN109706812A (en) * | 2019-01-17 | 2019-05-03 | 同济大学 | A kind of reinforced soil with geosynthetics construction method and device |
| CN210712761U (en) * | 2019-08-01 | 2020-06-09 | 福建南水建设工程有限公司 | Concrete panel rock-fill dam's top layer stagnant water structure among water conservancy water and electricity construction |
| CN214656916U (en) * | 2021-03-17 | 2021-11-09 | 中国长江三峡集团有限公司 | Flexible connecting device for concrete panel and geosynthetic material |
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