CN108978683B - Slope protection interlocking block suitable for large deformation and assembling method thereof - Google Patents
Slope protection interlocking block suitable for large deformation and assembling method thereof Download PDFInfo
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- CN108978683B CN108978683B CN201810717427.1A CN201810717427A CN108978683B CN 108978683 B CN108978683 B CN 108978683B CN 201810717427 A CN201810717427 A CN 201810717427A CN 108978683 B CN108978683 B CN 108978683B
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- interlocking block
- interlocking
- spherical segment
- hinge
- cylindrical
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/20—Securing of slopes or inclines
- E02D17/205—Securing of slopes or inclines with modular blocks, e.g. pre-fabricated
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- Engineering & Computer Science (AREA)
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- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Revetment (AREA)
Abstract
The invention relates to a side slope protection interlocking block adapting to large deformation and an assembly method thereof, wherein the side slope protection interlocking block comprises an interlocking block main body, a segment hinge and a column hinge; the interlocking block main body is of a cuboid structure, and spherical segment-shaped bulges and spherical segment-shaped depressions matched with the spherical segment-shaped bulges are arranged on the front surface and the rear surface of the interlocking block main body to form spherical segment hinges; the left surface and the right surface of the interlocking block main body are provided with cylindrical protrusions with arc-shaped cross sections and cylindrical depressions matched with the cylindrical protrusions to form the cylindrical hinges; the interlocking blocks are connected with the column hinges on the left and right surfaces through the spherical segment hinges on the front and back surfaces. Compared with the existing interlocking block structure, the interlocking block structure can adapt to larger dam slope deformation, ensures the closing of the interlocking block gaps, and prevents the influence on the dam body safety caused by the opening of the interlocking block gaps and rainfall infiltration caused by deformation.
Description
Technical Field
The invention relates to the field of slope protection, in particular to a slope protection interlocking block suitable for large deformation and an assembling method thereof.
Background
Slope instability is always the most concerned problem of slope engineering, and rainfall infiltration is often the largest cause of slope instability. In order to prevent the influence of rainfall infiltration on the stability of the side slope, various measures and means are adopted in engineering to prevent the rainfall infiltration, for important side slopes, slope protection modes such as grouted stone slope protection, interlocking block slope protection and the like are mostly adopted, and the side slope is reinforced and seepage-proof together by matching with anchor rods and anchor cables, so that the safety of the side slope is ensured.
The natural side slope is influenced by surrounding construction, underground water level change, soil body rheology and the like, and can generate certain deformation, the existing grouted stone slope protection and the existing interlocking block slope protection have limited deformation adaptability, and the problems of grouted stone slope cracking, separation between interlocking blocks, interlocking structure fracture and the like can occur, so that a rainfall infiltration channel is formed, further rainfall infiltration occurs locally, the soil body at the lower part is scoured and eroded, and the stability of the whole side slope is finally influenced along with the continuous development of the destruction; for the upstream and downstream dam slopes in the hydraulic engineering, because the slope protection structure is laid in the completion period and is influenced by water storage load, deformation of the dam body after construction and rheology of soil and stone materials, the outer contour of the dam body can deform to a certain extent, the existing interlocking block slope protection has limited applicability to deformation, the interlocking block can not be guaranteed to be still closed after the dam slope deforms, a water seepage channel is easy to form, and the safety of the dam slope is influenced.
Disclosure of Invention
The invention aims to provide a side slope protection interlocking block adaptive to large deformation and an assembly method thereof, so that after the side slope deforms, the interlocking block can be effectively attached to the side slope, meanwhile, gaps of a connecting part of the interlocking block are kept closed, and rainfall infiltration is prevented.
In order to achieve the technical purpose, the invention adopts the following technical scheme:
a side slope protection interlocking block suitable for large deformation comprises an interlocking block main body, a segment hinge and a column hinge; the interlocking block main body is of a cuboid structure, and spherical segment-shaped bulges and spherical segment-shaped depressions matched with the spherical segment-shaped bulges are arranged on the front surface and the rear surface of the interlocking block main body to form spherical segment hinges; the left surface and the right surface of the interlocking block main body are provided with cylindrical protrusions with arc-shaped cross sections and cylindrical depressions matched with the cylindrical protrusions to form the cylindrical hinges; the interlocking blocks are connected with the column hinges on the left and right surfaces through the spherical segment hinges on the front and back surfaces.
According to the interlocking block, the interlocking blocks are mutually occluded through the cylindrical hinges and the spherical segment hinges, so that the structural laying integrity of the interlocking block is ensured; when the side slope is deformed, the column hinges and the ball-segment hinges can slide along the arc contact surface to adapt to the deformation of the side slope, and meanwhile, the closing of the connecting seam is ensured.
As a further improvement of the invention, the cross section arc angle of the cylindrical hinge is more than 90 degrees and less than or equal to 100 degrees, and the cylindrical hinge is ensured to be more than 1/4 arcs, so that the front and the back of the interlocking block are mutually engaged.
As a further improvement of the invention, the arc angle at the maximum section of the longitudinal section of the ball-segment hinge is greater than 90 degrees and less than or equal to 100 degrees. The maximum section of the ball-segment hinge is ensured to be larger than 1/4 circular arcs so as to realize mutual occlusion between the left and the right of the interlocking block.
As a further improvement of the invention, reserved seams are respectively arranged at the lower parts of the spherical segment-shaped bulges and the cylindrical bulges of the interlocking blocks, the width of the reserved seam is about 5mm generally, so that when the interlocking blocks deform, a certain degree of freedom of rotation is ensured between the interlocking blocks, and the reserved seams can be adjusted according to actual engineering conditions.
As a further improvement of the invention, the mutual occlusion part of the cylindrical hinge and the spherical hinge of the interlocking block is reserved with an assembly tolerance of about 2mm so as to ensure the smooth splicing of the interlocking block.
As a further improvement of the invention, the connecting thickness between the column hinge and the ball-segment hinge of the interlocking block and the interlocking block main body is not less than 5cm so as to ensure the connecting strength of the connecting part and ensure the structural safety of the interlocking block in the transportation, installation and operation periods.
As a further improvement of the invention, the interlocking blocks are prefabricated by plain concrete with the grade of C20 or above, and the compressive strength is high.
As a further improvement of the invention, the interlocking block is formed by pressing dry concrete, so that the production efficiency is ensured.
The invention also provides an assembly method of the side slope protection interlocking block. In the main deformation direction of the side slope, a column hinge connection mode is adopted to connect the interlocking blocks; and in the slope secondary deformation direction, the interlocking blocks are connected in a spherical segment hinge connection mode.
The deformation characteristic of the side slope is comprehensively considered, the column is adopted in the main deformation direction of the side slope, the spherical segment hinge is adopted in the secondary deformation direction of the side slope, the adaptability of the side slope under various deformation conditions is fully considered, and the gaps between the interlocking blocks can not be opened when the side slope deforms in the main deformation direction and the secondary deformation direction; meanwhile, the column hinges and the spherical segment hinges are adopted, the occlusion effect among the blocks is considered, after the assembly is finished, certain integrity is achieved, and the increase of gaps caused by mutual sliding among the blocks can be avoided. Compared with the existing interlocking block structure, the interlocking block structure can adapt to larger dam slope deformation, ensures the closing of the interlocking block gaps, and prevents the influence on the dam body safety caused by the opening of the interlocking block gaps and rainfall infiltration caused by deformation.
Drawings
FIG. 1 is a top view of the interlocking block;
FIG. 2 is a cross-sectional view of the interlocking block 1-1 of FIG. 1;
FIG. 3 is a cross-sectional view of the interlocking block 2-2 of FIG. 1;
in the figure: 1. a segment-shaped bulge, 2 a segment-shaped recess, 3 a column-shaped bulge, 4 a column-shaped recess and 5 a reserved seam at the lower part.
Detailed Description
Example 1
The interlocking block shown in fig. 1 to 3 comprises an interlocking block main body, a segment hinge and a column hinge; the interlocking block main body is of a cuboid structure, and spherical segment-shaped protrusions 1 and spherical segment-shaped recesses 2 matched with the spherical segment-shaped protrusions 1 are arranged on the front surface and the rear surface of the interlocking block main body to form spherical segment hinges; the left surface and the right surface of the interlocking block main body are provided with cylindrical protrusions 3 with arc-shaped cross sections and cylindrical depressions 4 matched with the cylindrical protrusions to form the cylindrical hinges; the interlocking blocks are connected with the column hinges on the left and right surfaces through the spherical segment hinges on the front and back surfaces. Reserved seams 5 are respectively arranged at the lower parts of the spherical segment-shaped bulges 1 and the cylindrical bulges 3 of the interlocking blocks, so that the interlocking blocks have certain rotational freedom, and the reserved seams are about 5mm generally. The mutual occlusion part of the column hinge and the spherical segment hinge of the interlocking block is reserved with an assembly tolerance of about 2mm so as to ensure the smooth splicing of the interlocking block. The connecting thickness between the column hinge and the ball-segment hinge of the interlocking block and the interlocking block main body is not less than 5cm so as to ensure the connecting strength of the connecting part.
The interlocking blocks are in occlusion connection, and in order to realize mutual occlusion of the interlocking blocks at the front, the back, the left and the right, the arc angle of the cross section of the cylindrical hinge is larger than 90 degrees and smaller than or equal to 100 degrees; the arc angle at the maximum section of the longitudinal section of the segment hinge is greater than 90 degrees and less than or equal to 100 degrees.
In the embodiment, the interlocking blocks are prefabricated by plain concrete with the grade of C20 and the compressive strength is high. The interlocking block is formed by pressing dry concrete, so that the production efficiency is ensured.
When the interlocking blocks are assembled, the interlocking blocks are connected in a column hinge connection mode in the main deformation direction of the side slope, namely the segmental spherical bulge 1 of one interlocking block is meshed and connected with the segmental spherical recess 2 of the other interlocking block; in the slope secondary deformation direction, the interlocking blocks are connected in a spherical segment hinge connection mode, namely the cylindrical protrusion 3 of one interlocking block is meshed and connected with the cylindrical recess 4 of the other interlocking block. The interlocking block and the assembly mode can adapt to larger dam slope deformation and ensure the closing of the gap of the interlocking block.
Claims (1)
1. A side slope protection interlocking block suitable for large deformation is characterized by comprising an interlocking block main body, a segment hinge and a column hinge; the interlocking block main body is of a cuboid structure, and spherical segment-shaped bulges (1) and spherical segment-shaped depressions (2) matched with the spherical segment-shaped bulges are arranged on the front surface and the rear surface of the interlocking block main body to form spherical segment hinges; the left surface and the right surface of the interlocking block main body are provided with cylindrical protrusions (3) with arc-shaped curves in cross sections and cylindrical recesses (4) matched with the cylindrical protrusions to form the cylindrical hinges; the interlocking blocks are connected with the cylindrical hinges on the left surface and the right surface through spherical segment hinges on the front surface and the rear surface;
in the main deformation direction of the side slope, a column hinge connection mode is adopted to connect the interlocking blocks; in the slope secondary deformation direction, a spherical segment hinge connection mode is adopted to connect the interlocking block, the assembly tolerance of 2mm is reserved at the mutual meshing part of a cylindrical hinge and a spherical segment hinge of the interlocking block, and the connection thickness between the cylindrical hinge or the spherical segment hinge and the interlocking block main body is not less than 5 cm;
the arc angle of the cross section of the column hinge is larger than 90 degrees and smaller than or equal to 100 degrees;
the arc angle at the maximum section of the longitudinal section of the segment hinge is greater than 90 degrees and less than or equal to 100 degrees;
reserved gaps (5) are respectively formed in the lower portions of the spherical segment-shaped protrusions and the cylindrical protrusions of the interlocking blocks, the width of each reserved gap is 5mm, and the interlocking blocks are formed by pressing dry concrete.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810717427.1A CN108978683B (en) | 2018-08-22 | 2018-08-22 | Slope protection interlocking block suitable for large deformation and assembling method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810717427.1A CN108978683B (en) | 2018-08-22 | 2018-08-22 | Slope protection interlocking block suitable for large deformation and assembling method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108978683A CN108978683A (en) | 2018-12-11 |
| CN108978683B true CN108978683B (en) | 2021-03-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810717427.1A Expired - Fee Related CN108978683B (en) | 2018-08-22 | 2018-08-22 | Slope protection interlocking block suitable for large deformation and assembling method thereof |
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| Country | Link |
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| CN (1) | CN108978683B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0018658A3 (en) * | 1979-05-05 | 1981-01-07 | Alfred Wangler | Linear,plane or spatial structure and hinge joint for such a structure |
| US5536111A (en) * | 1994-09-27 | 1996-07-16 | Doernemann; Jarett | Adjustable erosion control wall |
| CN202658572U (en) * | 2012-04-20 | 2013-01-09 | 董发达 | Multifunctional ecological building block |
| CN204023499U (en) * | 2014-08-29 | 2014-12-17 | 蒋春祥 | A kind of hinged interlocking-type ecological revetment prefabricated section |
| CN206090471U (en) * | 2016-08-11 | 2017-04-12 | 杜辉 | Chain brick of bank protection suitable for ecological revetment of city river |
-
2018
- 2018-08-22 CN CN201810717427.1A patent/CN108978683B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0018658A3 (en) * | 1979-05-05 | 1981-01-07 | Alfred Wangler | Linear,plane or spatial structure and hinge joint for such a structure |
| US5536111A (en) * | 1994-09-27 | 1996-07-16 | Doernemann; Jarett | Adjustable erosion control wall |
| CN202658572U (en) * | 2012-04-20 | 2013-01-09 | 董发达 | Multifunctional ecological building block |
| CN204023499U (en) * | 2014-08-29 | 2014-12-17 | 蒋春祥 | A kind of hinged interlocking-type ecological revetment prefabricated section |
| CN206090471U (en) * | 2016-08-11 | 2017-04-12 | 杜辉 | Chain brick of bank protection suitable for ecological revetment of city river |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108978683A (en) | 2018-12-11 |
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Granted publication date: 20210319 Termination date: 20210822 |