CN113417661A - High-strength yielding anti-seismic lining of tunnel and method thereof - Google Patents
High-strength yielding anti-seismic lining of tunnel and method thereof Download PDFInfo
- Publication number
- CN113417661A CN113417661A CN202110649496.5A CN202110649496A CN113417661A CN 113417661 A CN113417661 A CN 113417661A CN 202110649496 A CN202110649496 A CN 202110649496A CN 113417661 A CN113417661 A CN 113417661A
- Authority
- CN
- China
- Prior art keywords
- sleeve
- diameter
- section
- steel
- yielding
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
Abstract
The invention provides a tunnel high-strength yielding anti-seismic lining and a method thereof, wherein the tunnel high-strength yielding anti-seismic lining comprises a lining main body structure and a yielding device for connecting adjacent lining main body structures; the yielding device comprises a steel sleeve, a piston body, an outer sleeve and an inner sleeve; one side of the steel sleeve is closed, the other side of the steel sleeve is opened, an outer sleeve and an inner sleeve are sleeved inside the closed side of the steel sleeve, the piston body is positioned at one end of the inner sleeve, which is far away from the steel sleeve, and the closed end of the steel sleeve and one end of the piston body, which is far away from the steel sleeve, are respectively contacted with the adjacent lining main body structures; the opposite ends of the outer sleeve and the inner sleeve are provided with deformation structures capable of absorbing impact force, and when the lining main body structure is applied to axial or annular yielding anti-seismic of a tunnel, the impact is absorbed between the adjacent lining main body structures through the deformation structures of the yielding devices, so that the anti-seismic capacity is improved.
Description
Technical Field
The invention relates to a high-strength yielding anti-seismic lining of a tunnel and a method thereof.
Background
Compared with ground surface structures such as bridges or high-rise buildings, mountain tunnels have the defects that relative motion between tunnel structures and surrounding rocks is not obvious during earthquakes, so that the earthquake-resistant behavior and the earthquake-resistant design of the tunnel structures are not paid attention to in the past engineering community. When a tunnel passes through a broken layer or encounters an earthquake, the lining structure is damaged due to insufficient structural measures during construction and operation, and great threat is brought to the safety and economic benefit of the tunnel structure. The two situations of the tunnel have the common point that a certain displacement can be generated under a certain triggering condition, and if the lining structure is in a hard resistance state, the construction cost is high and the safety cannot be guaranteed. Therefore, the yielding anti-seismic support is an optional way, and the structure can effectively adapt to fault dislocation displacement and earthquake impact without losing the using space invasion limit and the bearing function, so that the basic purpose of yielding support is achieved. The pressure yielding anti-seismic system is lack of actual supporting measures for supporting the idea to be effectively executed at present.
Disclosure of Invention
The invention improves the problems, namely the technical problem to be solved by the invention is that the existing mountain tunnel often causes the damage of the lining structure due to insufficient structural measures during construction and operation when crossing a broken layer or encountering an earthquake.
The specific embodiment of the invention is as follows: a tunnel high-strength yielding anti-seismic lining comprises a lining main body structure and a yielding device for connecting adjacent lining main body structures;
the yielding device comprises a steel sleeve, a piston body, an outer sleeve and an inner sleeve;
one side of the steel sleeve is closed, the other side of the steel sleeve is opened, an outer sleeve is sleeved inside the closed side of the steel sleeve, an inner sleeve is sleeved inside the open side of the steel sleeve, the piston body is positioned at one end, away from the steel sleeve, of the inner sleeve, and the closed end of the steel sleeve and one end, away from the steel sleeve, of the piston body are respectively in contact with adjacent lining main body structures;
the opposite ends of the outer sleeve and the inner sleeve are provided with deformation structures capable of absorbing impact force.
When the yielding lining structure is applied to axial yielding earthquake resistance of a tunnel, adjacent lining main body structures are spliced through the yielding device along the axial direction of the tunnel to form yielding lining structure units; when the yielding lining structure is applied to annular yielding earthquake resistance of a tunnel, adjacent lining main body structures are spliced through the yielding device along the annular direction of the tunnel to form yielding lining structure units;
furthermore, the outer sleeve is a section of high-strength hollow steel pipe; the outer sleeve comprises a reducing section and an equal-diameter section, the outer diameter of the reducing section is unchanged, and the inner diameter of the reducing section gradually shrinks from the closed side of the steel sleeve to the open side; the outer diameter and the inner diameter of the constant-diameter section of the outer sleeve are kept unchanged; the outer diameter of the equal-diameter section is matched with the inner diameter of the steel sleeve; the equal-diameter section of the steel sleeve is contacted with the bottom of the steel sleeve;
the inner sleeve is a section of hollow steel pipe and is fixedly connected with the piston body; the outer diameter of the inner sleeve is larger than the inner diameter of the outer sleeve;
when the tunnel high-strength yielding anti-seismic lining is impacted, impact force is transmitted to the yielding device, and the inner sleeve is opened to perform plastic deformation and absorb energy.
Furthermore, the outer sleeve is a section of hollow steel pipe and comprises a large-diameter section, a variable-diameter section and a small-diameter section which are sequentially arranged from the opening of the steel sleeve to the closing direction; the maximum outer diameter of the variable-diameter section is matched with the outer diameter of the thick-diameter section, and the minimum outer diameter of the variable-diameter section is matched with the outer diameter of the thin-diameter section; the outer diameter and the inner diameter of the large-diameter section are kept unchanged, and the outer diameter and the inner diameter of the small-diameter section are kept unchanged; the outer diameter of the large-diameter section is matched with the inner diameter of the steel sleeve; the small-diameter section of the steel sleeve is contacted with the bottom of the steel sleeve;
the inner sleeve is solid round steel and is fixedly connected with the piston body at the center of the piston body; the diameter of the inner sleeve is larger than the inner diameter of the small-diameter section of the outer sleeve;
when the tunnel high-strength yielding anti-seismic lining is impacted, impact force is transmitted to the yielding device, and the outer sleeve is opened to perform plastic deformation and absorb energy.
Furthermore, one side of the inner sleeve, which is close to the outer sleeve, is provided with a necking section, and the necking section is in contact with the outer sleeve reducing section to facilitate the starting of the inner sleeve for plastic deformation, so that the inner sleeve is prevented from being stuck.
Furthermore, the length of the inner sleeve is matched with that of the outer sleeve, and the length of the inner sleeve is matched with that of the piston body, so that sufficient plastic deformation is facilitated, and sufficient yielding length is achieved.
Furthermore, the piston body is a circular steel plate, and the diameter of the piston body is matched with the inner diameter of the steel sleeve; the piston body is in contact with the lining body structure.
The invention also comprises a high-strength yielding anti-seismic method for the tunnel, wherein the yielding device connected with the adjacent lining main body structure comprises a steel sleeve, a piston body, an outer sleeve and an inner sleeve; one side of the steel sleeve is closed, the other side of the steel sleeve is opened, an outer sleeve is sleeved inside the closed side of the steel sleeve, an inner sleeve is sleeved inside the open side of the steel sleeve, the piston body is positioned at one end, away from the steel sleeve, of the inner sleeve, and the closed end of the steel sleeve and one end, away from the steel sleeve, of the piston body are respectively in contact with adjacent lining main body structures; the opposite ends of the outer sleeve and the inner sleeve are provided with deformation structures capable of absorbing impact force.
Furthermore, the outer sleeve is a section of high-strength hollow steel pipe; the outer sleeve comprises a reducing section and an equal-diameter section, the outer diameter of the reducing section is unchanged, and the inner diameter of the reducing section gradually shrinks from the closed side of the steel sleeve to the open side; the outer diameter and the inner diameter of the constant-diameter section of the outer sleeve are kept unchanged; the outer diameter of the equal-diameter section is matched with the inner diameter of the steel sleeve; the equal-diameter section of the steel sleeve is contacted with the bottom of the steel sleeve; the inner sleeve is a section of hollow steel pipe and is fixedly connected with the piston body; the outer diameter of the inner sleeve is larger than the inner diameter of the outer sleeve.
Furthermore, the outer sleeve is a section of hollow steel pipe and comprises a large-diameter section, a variable-diameter section and a small-diameter section which are sequentially arranged from the opening of the steel sleeve to the closing direction; the maximum outer diameter of the variable-diameter section is matched with the outer diameter of the thick-diameter section, and the minimum outer diameter of the variable-diameter section is matched with the outer diameter of the thin-diameter section; the outer diameter and the inner diameter of the large-diameter section are kept unchanged, and the outer diameter and the inner diameter of the small-diameter section are kept unchanged; the outer diameter of the large-diameter section is matched with the inner diameter of the steel sleeve; the small-diameter section of the piston is in contact with the bottom of a steel sleeve, the inner sleeve is solid round steel, and the inner sleeve is fixedly connected with the piston body at the center of the piston body; the diameter of the inner sleeve is larger than the inner diameter of the small-diameter section of the outer sleeve.
Compared with the prior art, the invention has the following beneficial effects: the high-strength yielding anti-seismic lining of the tunnel can be applied to the axial direction of the tunnel and also can be applied to the annular direction of the tunnel, the opposite ends of the outer sleeve and the inner sleeve are provided with deformation structures capable of absorbing impact force, the impact is absorbed through the deformation structures of the yielding devices, so that the anti-seismic capacity is improved, and the main structure of the adjacent lining and surrounding rocks are deformed in a coordinated manner.
Drawings
FIG. 1 is a schematic diagram of a high-strength yielding anti-seismic lining for an axial high-strength yielding anti-seismic tunnel according to an embodiment of the invention;
FIG. 2 is a schematic diagram of a high-strength yielding anti-seismic lining for a tunnel annular high-strength yielding anti-seismic tunnel according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a pressure relief device according to a first technical solution of the present invention;
fig. 4 is a schematic structural diagram of a pressure relief device in a second technical solution of the present invention.
In the figure, 1-lining a main body structure, 2-yielding device, 3-steel sleeve, 4-inner sleeve, 401-reducing section, 5-piston body, 6-outer sleeve, 601-reducing section, 602-constant diameter section, 603-large diameter section and 604-small diameter section.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Referring to fig. 1 to 4, the following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.
Example 1:
referring to fig. 1 and 3, the present embodiment adopts an assembly type lining, and is suitable for axial yielding and earthquake resistance of a tunnel, a plurality of yielding devices 2 are connected between adjacent main bodies of the tunnel lining structures 1, and each yielding device 2 includes a steel sleeve 3, a piston body 5, an outer sleeve 6 and an inner sleeve 4.
In the embodiment, the inner sleeve is a section of hollow steel pipe, the outer sleeve 6 is a section of high-strength hollow steel pipe, and the piston body is a circular steel plate, and the diameter of the piston body is matched with the inner diameter of the steel sleeve; the bottom of the steel sleeve is in contact with the lining main body structure, and the piston body is in contact with and fixedly connected with the lining main body structure.
In this embodiment, the multiple sets of yielding devices are distributed annularly in the cross section of the tunnel lining according to a certain angle interval. And each lining main structure is spliced with the adjacent lining main structure through a yielding device to form the tunnel high-strength yielding anti-seismic lining.
In this embodiment, the yielding structure comprises a section of high-strength hollow steel pipe as the outer sleeve; the outer sleeve comprises a reducing section 601 and an equal-diameter section 602, the outer diameter of the reducing section is unchanged, and the inner diameter of the reducing section is gradually contracted from the closed side of the steel sleeve to the open side; the outer diameter and the inner diameter of the constant-diameter section of the outer sleeve are kept unchanged; the outer diameter of the equal-diameter section is matched with the inner diameter of the steel sleeve; the equal-diameter section of the steel sleeve is contacted with the bottom of the steel sleeve;
the inner sleeve is a section of hollow steel pipe and is fixedly connected with the piston body; the outer diameter of the inner sleeve is larger than the inner diameter of the outer sleeve;
a necking section 401 is arranged on one side, close to the outer sleeve, of the inner sleeve, and is beneficial to starting plastic deformation of the inner sleeve after contacting with the outer sleeve reducing section, and blocking is prevented.
When the tunnel high-strength yielding anti-seismic lining is impacted, impact force is transmitted to the yielding device, the necking end of the inner sleeve is inwards constricted, the inner sleeve is opened to be plastically deformed, and energy is absorbed.
Example 2:
referring to fig. 1 and 4, the present embodiment adopts an assembled lining, which is suitable for axial yielding and earthquake resistance of a tunnel, and a plurality of yielding devices are connected between adjacent tunnel lining structural bodies.
In this embodiment, the yielding device 2 comprises a steel sleeve 3, a piston body 5, an outer sleeve 6 and an inner sleeve 4.
The outer sleeve 6 is a section of hollow steel pipe and comprises a large-diameter section 603, a reducing section 601 and a small-diameter section 604 which are sequentially arranged from the opening of the steel sleeve to the closing direction; the maximum outer diameter of the variable-diameter section is matched with the outer diameter of the thick-diameter section, and the minimum outer diameter of the variable-diameter section is matched with the outer diameter of the thin-diameter section; the outer diameter and the inner diameter of the large-diameter section are kept unchanged, and the outer diameter and the inner diameter of the small-diameter section are kept unchanged; the outer diameter of the large-diameter section is matched with the inner diameter of the steel sleeve; the small diameter section is connected with the bottom of the steel sleeve.
The inner sleeve 4 is made of solid round steel and is fixedly connected with the piston body at the center of the piston body; the diameter of the inner sleeve is larger than the inner diameter of the small-diameter section of the outer sleeve;
the length of the inner sleeve is matched with that of the outer sleeve, and the length of the inner sleeve is matched with that of the piston body, so that sufficient plastic deformation is facilitated, and sufficient yielding length is provided.
When the tunnel high-strength yielding anti-seismic lining is impacted, impact force is transmitted to the yielding device, and the outer sleeve is opened to perform plastic deformation and absorb energy.
The installation position of the yielding device of the present embodiment is substantially the same as that of the yielding device of embodiment 1, and details are not repeated herein.
Example 3:
referring to fig. 2 and 3, the embodiment adopts the fabricated lining, and is suitable for circumferential yielding and earthquake resistance of the tunnel. The yielding device 2 comprises a steel sleeve, a piston body 5, an outer sleeve 6 and an inner sleeve 4.
In the embodiment, the inner sleeve is a section of hollow steel pipe, the outer sleeve 6 is a section of high-strength hollow steel pipe, and the piston body is a circular steel plate, and the diameter of the piston body is matched with the inner diameter of the steel sleeve; the bottom of the steel sleeve is in contact with the lining main body structure, and the piston body is in contact with and fixedly connected with the lining main body structure.
In this embodiment, the multiple sets of yielding devices are distributed annularly in the cross section of the tunnel lining according to a certain angle interval. And each lining main structure is spliced with the adjacent lining main structure through a yielding device to form the tunnel high-strength yielding anti-seismic lining.
In this embodiment, the yielding structure comprises a section of high-strength hollow steel pipe as the outer sleeve; the outer sleeve comprises a reducing section 601 and an equal-diameter section 602, the outer diameter of the reducing section is unchanged, and the inner diameter of the reducing section is gradually contracted from the closed side of the steel sleeve to the open side; the outer diameter and the inner diameter of the constant-diameter section of the outer sleeve are kept unchanged; the outer diameter of the equal-diameter section is matched with the inner diameter of the steel sleeve; the equal-diameter section of the steel sleeve is contacted with the bottom of the steel sleeve;
the inner sleeve is a section of hollow steel pipe and is fixedly connected with the piston body; the outer diameter of the inner sleeve is larger than the inner diameter of the outer sleeve;
one side of the inner sleeve, which is close to the outer sleeve, is provided with a necking section, and the necking section is in contact with the reducing section of the outer sleeve, so that the inner sleeve can start plastic deformation to prevent jamming.
In the embodiment, the length of the inner sleeve is matched with that of the outer sleeve, and the length of the inner sleeve is matched with the thickness of the piston body, so that sufficient plastic deformation is facilitated, and sufficient yielding length is provided.
The bottom of the steel sleeve is in contact with the lining main structure, and the piston body is in contact with the lining main structure. Let and press device and lining cutting major structure lug connection, let press device and lining cutting unit be the annular distribution in tunnel lining cutting cross section. The adjacent tunnel lining units are connected into a tunnel lining unit with a circumferential complete section through the pressure yielding device, and the tunnel lining units with different complete sections are connected into a tunnel high-strength pressure-yielding anti-seismic lining. When the tunnel high-strength yielding anti-seismic lining is impacted, impact force is transmitted to the yielding device, and the inner sleeve is opened to perform plastic deformation and absorb energy.
Example 4:
referring to fig. 2 and 4, the embodiment adopts the fabricated lining, and is suitable for circumferential yielding and earthquake resistance of the tunnel. The outer sleeve 6 is a section of hollow steel pipe and comprises a large-diameter section 603, a reducing section 601 and a small-diameter section 604 which are sequentially arranged from the opening of the steel sleeve to the closing direction; the maximum outer diameter of the variable-diameter section is matched with the outer diameter of the thick-diameter section, and the minimum outer diameter of the variable-diameter section is matched with the outer diameter of the thin-diameter section; the outer diameter and the inner diameter of the large-diameter section are kept unchanged, and the outer diameter and the inner diameter of the small-diameter section are kept unchanged; the outer diameter of the large-diameter section is matched with the inner diameter of the steel sleeve; the small diameter section is connected with the bottom of the steel sleeve.
The inner sleeve 4 is made of solid round steel and is fixedly connected with the piston body at the center of the piston body; the diameter of the inner sleeve is larger than the inner diameter of the small-diameter section of the outer sleeve;
the length of the inner sleeve is matched with that of the outer sleeve, and the length of the inner sleeve is matched with that of the piston body, so that sufficient plastic deformation is facilitated, and sufficient yielding length is provided.
When the tunnel high-strength yielding anti-seismic lining is impacted, impact force is transmitted to the yielding device, and the outer sleeve is opened to perform plastic deformation and absorb energy.
The installation position of the yielding device of this embodiment is substantially the same as that of the yielding device of embodiment 3, and details are not repeated here.
The above description is only a preferred example of the present application and is not intended to limit the present application, and various modifications and variations may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
If the invention discloses or relates to parts or structures which are fixedly connected to each other, the fixedly connected parts can be understood as follows, unless otherwise stated: a detachable fixed connection (for example using bolts or screws) is also understood as: non-detachable fixed connections (e.g. riveting, welding), but of course, fixed connections to each other may also be replaced by one-piece structures (e.g. manufactured integrally using a casting process) (unless it is obviously impossible to use an integral forming process).
In addition, terms used in any technical solutions disclosed in the present invention to indicate positional relationships or shapes include approximate, similar or approximate states or shapes unless otherwise stated.
Any part provided by the invention can be assembled by a plurality of independent components or can be manufactured by an integral forming process.
Finally, it should be noted that the above examples are only used to illustrate the technical solutions of the present invention and not to limit the same; although the present invention has been described in detail with reference to preferred embodiments, those skilled in the art will understand that: modifications to the specific embodiments of the invention or equivalent substitutions for parts of the technical features may be made; without departing from the spirit of the present invention, it is intended to cover all aspects of the invention as defined by the appended claims.
Claims (9)
1. A tunnel high-strength yielding anti-seismic lining is characterized by comprising a lining main body structure and a yielding device for connecting adjacent lining main body structures;
the yielding device comprises a steel sleeve, a piston body, an outer sleeve and an inner sleeve;
one side of the steel sleeve is closed, the other side of the steel sleeve is opened, an outer sleeve is sleeved inside the closed side of the steel sleeve, an inner sleeve is sleeved inside the open side of the steel sleeve, the piston body is positioned at one end, away from the steel sleeve, of the inner sleeve, and the closed end of the steel sleeve and one end, away from the steel sleeve, of the piston body are respectively in contact with adjacent lining main body structures;
the opposite ends of the outer sleeve and the inner sleeve are provided with deformation structures capable of absorbing impact force.
2. The high-strength yielding earthquake-resistant lining for the tunnel according to claim 1, wherein the outer sleeve is a section of high-strength hollow steel pipe; the outer sleeve comprises a reducing section and an equal-diameter section, the outer diameter of the reducing section is unchanged, and the inner diameter of the reducing section gradually shrinks from the closed side of the steel sleeve to the open side; the outer diameter and the inner diameter of the constant-diameter section of the outer sleeve are kept unchanged; the outer diameter of the equal-diameter section is matched with the inner diameter of the steel sleeve; the equal-diameter section of the steel sleeve is contacted with the bottom of the steel sleeve;
the inner sleeve is a section of hollow steel pipe and is fixedly connected with the piston body; the outer diameter of the inner sleeve is larger than the inner diameter of the outer sleeve;
when the tunnel high-strength yielding anti-seismic lining is impacted, impact force is transmitted to the yielding device, and the inner sleeve is opened to perform plastic deformation and absorb energy.
3. The tunnel high-strength yielding anti-seismic lining according to claim 1, wherein the outer sleeve is a section of hollow steel pipe and comprises a large-diameter section, a variable-diameter section and a small-diameter section which are sequentially arranged from an opening of the steel sleeve to a closing direction; the maximum outer diameter of the variable-diameter section is matched with the outer diameter of the thick-diameter section, and the minimum outer diameter of the variable-diameter section is matched with the outer diameter of the thin-diameter section; the outer diameter and the inner diameter of the large-diameter section are kept unchanged, and the outer diameter and the inner diameter of the small-diameter section are kept unchanged; the outer diameter of the large-diameter section is matched with the inner diameter of the steel sleeve; the small-diameter section of the steel sleeve is contacted with the bottom of the steel sleeve;
the inner sleeve is solid round steel and is fixedly connected with the piston body at the center of the piston body; the diameter of the inner sleeve is larger than the inner diameter of the small-diameter section of the outer sleeve;
when the tunnel high-strength yielding anti-seismic lining is impacted, impact force is transmitted to the yielding device, and the outer sleeve is opened to perform plastic deformation and absorb energy.
4. A high-strength yielding earthquake-resistant lining for a tunnel according to claim 1, wherein a necking section is arranged on one side of the inner sleeve, which is close to the outer sleeve.
5. The high-strength yielding earthquake-resistant tunnel lining according to claim 1, wherein the length of the inner sleeve is matched with that of the outer sleeve, and the length of the inner sleeve is matched with that of the piston body, so that sufficient plastic deformation is facilitated and sufficient yielding length is provided.
6. The tunnel high-strength yielding earthquake-resistant lining according to claim 1, wherein the piston body is a circular steel plate, and the diameter of the piston body is matched with the inner diameter of a steel sleeve; the piston body is in contact with the lining body structure.
7. A high-strength yielding anti-seismic method for a tunnel is characterized in that a yielding device connected with adjacent lining main body structures comprises a steel sleeve, a piston body, an outer sleeve and an inner sleeve; one side of the steel sleeve is closed, the other side of the steel sleeve is opened, an outer sleeve is sleeved inside the closed side of the steel sleeve, an inner sleeve is sleeved inside the open side of the steel sleeve, the piston body is positioned at one end, away from the steel sleeve, of the inner sleeve, and the closed end of the steel sleeve and one end, away from the steel sleeve, of the piston body are respectively in contact with adjacent lining main body structures; the opposite ends of the outer sleeve and the inner sleeve are provided with deformation structures capable of absorbing impact force.
8. The method according to claim 7, wherein the outer casing is a section of high-strength hollow steel pipe; the outer sleeve comprises a reducing section and an equal-diameter section, the outer diameter of the reducing section is unchanged, and the inner diameter of the reducing section gradually shrinks from the closed side of the steel sleeve to the open side; the outer diameter and the inner diameter of the constant-diameter section of the outer sleeve are kept unchanged; the outer diameter of the equal-diameter section is matched with the inner diameter of the steel sleeve; the equal-diameter section of the steel sleeve is contacted with the bottom of the steel sleeve; the inner sleeve is a section of hollow steel pipe and is fixedly connected with the piston body; the outer diameter of the inner sleeve is larger than the inner diameter of the outer sleeve.
9. The high-strength yielding anti-seismic method for the tunnel according to claim 7, wherein the outer sleeve is a section of hollow steel pipe and comprises a large-diameter section, a variable-diameter section and a small-diameter section which are sequentially arranged from an opening of the steel sleeve to a closing direction; the maximum outer diameter of the variable-diameter section is matched with the outer diameter of the thick-diameter section, and the minimum outer diameter of the variable-diameter section is matched with the outer diameter of the thin-diameter section; the outer diameter and the inner diameter of the large-diameter section are kept unchanged, and the outer diameter and the inner diameter of the small-diameter section are kept unchanged; the outer diameter of the large-diameter section is matched with the inner diameter of the steel sleeve; the small-diameter section of the piston is in contact with the bottom of a steel sleeve, the inner sleeve is solid round steel, and the inner sleeve is fixedly connected with the piston body at the center of the piston body; the diameter of the inner sleeve is larger than the inner diameter of the small-diameter section of the outer sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110649496.5A CN113417661A (en) | 2021-06-10 | 2021-06-10 | High-strength yielding anti-seismic lining of tunnel and method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110649496.5A CN113417661A (en) | 2021-06-10 | 2021-06-10 | High-strength yielding anti-seismic lining of tunnel and method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113417661A true CN113417661A (en) | 2021-09-21 |
Family
ID=77788150
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110649496.5A Pending CN113417661A (en) | 2021-06-10 | 2021-06-10 | High-strength yielding anti-seismic lining of tunnel and method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113417661A (en) |
-
2021
- 2021-06-10 CN CN202110649496.5A patent/CN113417661A/en active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Constantinou et al. | Seismic response of structures with supplemental damping | |
| CN107675800B (en) | Self-resetting deformation coordination floor slab node structure | |
| CN109653395B (en) | Two-stage performance target self-resetting friction type energy dissipation support | |
| US20160326742A1 (en) | Piston-based self-centering brace apparatus | |
| US5588511A (en) | Seismic pipe restraint and method for using the same | |
| CN111853039A (en) | Self-resetting energy consumption device for shock absorption of shield tunnel | |
| CN113417661A (en) | High-strength yielding anti-seismic lining of tunnel and method thereof | |
| CN214944289U (en) | Tunnel high-strength yielding anti-seismic lining | |
| CN112780302B (en) | Tunnel energy-consumption supporting structure and construction method | |
| CN112240057A (en) | Self-reset friction energy dissipation steel frame node based on pre-pressed disc spring | |
| EP2767653B1 (en) | Higher-order vibration control device and method | |
| CN107725088B (en) | Rock burst resistance and large-deformation wing type splitting energy-absorbing anchor rod and structure | |
| CN110835954A (en) | A antidetonation node for assembled steel construction | |
| CN115788521A (en) | Tunnel joint energy dissipation shock attenuation supporting device of prevention and cure rock burst | |
| CN213979290U (en) | Self-reset friction energy dissipation steel frame node based on pre-pressed disc spring | |
| US6108986A (en) | Earthquake-resistant load-bearing system | |
| CN113847064A (en) | Rock burst prevention supporting system and method for high-ground-stress fragile surrounding rock tunnel | |
| CN103527708B (en) | Rotatable impact-resistant buffering mechanism | |
| CN110159628A (en) | A kind of self-adaptive protector of shield tunnel screwed joint | |
| CN214944358U (en) | Recoverable anchor rod | |
| KR102071403B1 (en) | Seismic multi-stage set anchor unit | |
| CN218992751U (en) | Nuclear power station high-energy pipeline anti-swing limiting device and system | |
| CN210003295U (en) | Deformable segment joint for tunnel shock resistance | |
| CN218347390U (en) | Recoverable energy-absorbing anti-collapse fixing device | |
| CN219159826U (en) | Nuclear power station high-energy pipeline anti-swing limiting device and system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |