CN112065458B - Novel steel skeleton structure formwork-free rapid environment-friendly tunnel construction method - Google Patents
Novel steel skeleton structure formwork-free rapid environment-friendly tunnel construction method Download PDFInfo
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- CN112065458B CN112065458B CN202010932630.8A CN202010932630A CN112065458B CN 112065458 B CN112065458 B CN 112065458B CN 202010932630 A CN202010932630 A CN 202010932630A CN 112065458 B CN112065458 B CN 112065458B
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 43
- 239000010959 steel Substances 0.000 title claims abstract description 43
- 238000010276 construction Methods 0.000 title claims abstract description 23
- 239000004567 concrete Substances 0.000 claims abstract description 16
- 238000000034 method Methods 0.000 claims description 19
- 230000003014 reinforcing effect Effects 0.000 claims description 9
- 238000003466 welding Methods 0.000 claims description 9
- 238000005266 casting Methods 0.000 claims description 5
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 230000001681 protective effect Effects 0.000 claims description 3
- 239000000565 sealant Substances 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000009412 basement excavation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK 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
- E21D11/14—Lining predominantly with metal
- E21D11/18—Arch members ; Network made of arch members ; Ring elements; Polygon elements; Polygon elements inside arches
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK 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
- E21D11/04—Lining with building materials
- E21D11/10—Lining with building materials with concrete cast in situ; Shuttering also lost shutterings, e.g. made of blocks, of metal plates or other equipment adapted therefor
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK 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
- E21D11/14—Lining predominantly with metal
- E21D11/30—Bases for lower arch members
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Architecture (AREA)
- Structural Engineering (AREA)
- Civil Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Lining And Supports For Tunnels (AREA)
Abstract
The invention discloses a novel steel skeleton structure formwork-free rapid environment-friendly tunnel construction method for a tunnel, which comprises the following steps: according to the width of the tunnel, respectively embedding a first column foot and a second column foot in the foundations at two ends in the width direction of the tunnel; installing a first supporting plate; installing a second support plate; hoisting the first upright column; mounting a first flange; hoisting the second upright column; mounting a second flange; mounting a cross beam; hoisting the arched beam; the first upright post, the second upright post and the arched beam are assembled into a retaining wall structural unit; according to the length of the tunnel and the distance between every two retaining wall structure units, the steps are circularly executed to assemble a plurality of retaining wall structure units; laying a support steel plate, and laying the support steel plate between every two retaining wall structure units so that the outer surface of the support steel plate, the retaining wall structure units and the tunnel enclose a cavity for pouring concrete; and pouring concrete into the cavity through the reserved grouting holes.
Description
Technical Field
The invention relates to the technical field of tunnel engineering, in particular to a novel steel skeleton structure formwork-free rapid environment-friendly tunnel construction method.
Background
The tunnel supporting technology is that a tunnel space is built underground in a city, and various municipal pipelines such as water supply and drainage, gas, electric power, communication and the like are intensively laid. The mode is used for intensively arranging various pipelines, so that the operation management and the equipment maintenance of the pipelines are facilitated, the trouble caused by repeated excavation of a road surface due to the fact that the pipelines are buried or maintained can be avoided, the corrosion damage of soil to the pipelines can be avoided, and the service life of the pipelines is prolonged.
Traditional tunnel supporting technology generally adopts reinforced concrete box structural style, installs the casting mold on the ground earlier during the construction, then pours the concrete in the casting mold, and the back is solidified to the concrete, demolishs the casting mold again, then installs the dado structure in the tunnel, and the work progress is comparatively complicated, is unfavorable for improving work efficiency.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art.
Therefore, the invention provides a novel steel skeleton structure formwork-free rapid environment-friendly tunnel construction method, a pouring mold does not need to be installed in the construction process, the construction process is simplified, and the working efficiency is improved.
The construction method of the retaining wall system in the narrow space in the tunnel according to the embodiment of the invention comprises the following steps:
step S1: according to the width of the tunnel, respectively embedding a first column foot and a second column foot in the foundations at two ends in the width direction of the tunnel;
step S2: installing a first supporting plate, wherein the first supporting plate is installed at the upper end of the first column base, and the lower end surface of the first supporting plate is abutted against the surface of the foundation;
step S3: installing a second supporting plate, wherein the second supporting plate is installed at the upper end of the second column foot, and the lower end face of the second supporting plate is abutted against the surface of the foundation;
step S4: hoisting a first upright column, vertically placing the first upright column on the first supporting plate, and welding the lower end of the first upright column with the upper end surface of the first supporting plate;
step S5: installing a first flange, wherein the first flange is installed at the upper end of the first upright post;
step S6: hoisting a second upright column, vertically placing the second upright column on the second support plate, and welding the lower end of the second upright column with the upper end face of the second support plate;
step S7: mounting a second flange, wherein the second flange is mounted at the upper end of the second upright post;
step S8: installing a cross beam, and respectively welding two ends of the cross beam along the length direction of the cross beam with the lower part of the inner wall of the first upright post and the lower part of the inner wall of the second upright post;
step S9: hoisting the arched beam to enable a third flange positioned at the head end of the arched beam to be abutted against the first flange, a fourth flange positioned at the tail end of the arched beam to be abutted against the second flange, and the first flange and the third flange, and the second flange and the fourth flange are connected through bolts; assembling the first column, the second column, and the arched beam into a retaining wall structural unit;
step S10: circularly performing the steps S1 to S9 according to the length of the tunnel and the predetermined distance between every two retaining wall structure units to assemble a plurality of retaining wall structure units;
step S11: laying a supporting steel plate, and laying the supporting steel plate between every two retaining wall structure units so that the outer surface of the supporting steel plate, the retaining wall structure units and the tunnel enclose a cavity for pouring concrete;
step S12: and pouring concrete into the cavity through the reserved grouting hole.
In the above method, before performing step S4, the method further includes: and a plurality of grouting holes are uniformly distributed on the first upright post, the second upright post and the arched beam.
In the above method, before performing step S9, the method further includes: and an exhaust pipe is arranged on the arched beam.
In the above method, the step S9 further includes: and a first waterproof rubber pad is arranged between the first flange and the third flange, and a second waterproof rubber pad is arranged between the second flange and the fourth flange.
In the above method, the step S11 further includes: and forming a plurality of reinforcing ribs on the support steel plate through sheet metal ruffles in advance, wherein the plurality of reinforcing ribs are arranged in parallel along the length direction of the support steel plate.
In the above method, the step S11 further includes: according to the position of the reinforcing rib on the supporting steel plate, a plurality of fixing bolts are arranged on one opposite side of each of the two retaining wall structure units, and the fixing bolts on the retaining wall structure units are connected with the reinforcing rib in a clamped mode to achieve connection of the supporting steel plate and the two retaining wall structure units.
In the above method, the step S11 further includes: and coating sealant at the joint of the supporting steel plate and the two protective wall structure units.
According to the technical scheme provided by the application, the method at least has the following beneficial effects: firstly, all parts are assembled into a single retaining wall structure unit, then the two retaining wall structure units are connected through a supporting steel plate, a cavity for pouring concrete is enclosed by the outer surface of the supporting steel plate, the two retaining wall structure units and the tunnel, and the concrete is directly poured into the cavity through a reserved grouting hole. In the technical scheme, the supporting steel plate and the retaining wall structure unit can be directly used as a pouring mold, and the pouring mold does not need to be additionally installed, so that the construction process is simplified; and after the concrete is poured, the supporting steel plate can be used as a decorative surface without being dismantled, so that the construction process is further simplified, and the working efficiency is improved.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a flow chart of a construction method according to an embodiment of the present invention.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
In the description of the present invention, it is to be understood that, in relation to the orientation description, the terms "central, longitudinal, transverse, length, width, thickness, upper, lower, front, rear, left, right, vertical, horizontal, top, bottom, inner, outer, circumferential, radial, axial" and the like indicate an orientation or positional relationship based on that shown in the drawings, which is merely for convenience of description and simplicity of description, and does not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be considered as limiting the present invention.
In the description of the present invention, a plurality of means is one or more, a plurality of means is two or more, and greater than, less than, more than, etc. are understood as excluding the essential numbers, and greater than, less than, etc. are understood as including the essential numbers. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
To make the objects, technical solutions and advantages of the present application more clear, embodiments of the present application will be described in further detail below with reference to the accompanying drawings.
As shown in fig. 1, the construction method according to the present invention includes: step S1 to step S12.
Step S1: according to the width of the tunnel, a first column foot and a second column foot are respectively embedded in the foundations at two ends in the width direction of the tunnel.
Step S2: and installing a first supporting plate, wherein the first supporting plate is installed at the upper end of the first column base, and the lower end surface of the first supporting plate is abutted to the surface of the foundation.
Step S3: and installing a second supporting plate, wherein the second supporting plate is installed at the upper end of the second column foot, and the lower end surface of the second supporting plate is abutted against the surface of the foundation.
Step S4: hoisting the first stand column, vertically placing the first stand column on a first supporting plate, and welding the lower end of the first stand column with the upper end face of the first supporting plate.
Specifically, before executing step S4, the method further includes: a plurality of grouting holes are uniformly distributed on the first upright post, the second upright post and the arched beam.
Step S5: a first flange is arranged at the upper end of the first upright post
Step S6: and hoisting the second upright column, vertically placing the second upright column on a second supporting plate, and welding the lower end of the second upright column with the upper end face of the second supporting plate.
Step S7: and a second flange is arranged at the upper end of the second upright post.
Step S8: and (4) mounting the cross beam, and respectively welding two ends of the cross beam along the length direction with the lower part of the inner wall of the first upright post and the lower part of the inner wall of the second upright post.
Specifically, the inner wall of the first upright and the inner wall of the second upright refer to the opposite side of the first upright and the second upright.
Step S9: hoisting the arched beam to enable a third flange positioned at the head end of the arched beam to be abutted against the first flange, a fourth flange positioned at the tail end of the arched beam to be abutted against the second flange, and the first flange and the third flange, and the second flange and the fourth flange are connected through bolts; and assembling the first upright column, the second upright column and the arched beam into a dado structural unit.
Specifically, before executing step S9, the method further includes: and an exhaust pipe is arranged on the arched beam.
Specifically, step S9 further includes: a first waterproof rubber pad is arranged between the first flange and the third flange, and a second waterproof rubber pad is arranged between the second flange and the fourth flange.
Step S10: and circularly performing the steps S1 to S9 according to the length of the tunnel and the predetermined distance between every two retaining wall structure units to assemble a plurality of retaining wall structure units.
Step S11: and laying a supporting steel plate, and laying the supporting steel plate between every two retaining wall structure units so that the outer surface of the supporting steel plate, the retaining wall structure units and the tunnel enclose a cavity for pouring concrete.
Specifically, step S11 further includes: a plurality of reinforcing ribs are formed on the supporting steel plate through metal plate ruffles in advance and are arranged in parallel along the length direction of the supporting steel plate.
Further, step S11 further includes: according to the position of the reinforcing rib on the supporting steel plate, a plurality of fixing bolts are arranged on one opposite side of each of the two wall protection structure units, and the fixing bolts on the two wall protection structure units are connected with the reinforcing rib in a clamping mode so as to achieve connection of the supporting steel plate and the two wall protection structure units.
Further, step S11 further includes: and (4) coating sealant at the joint of the supporting steel plate and the two protective wall structure units.
Step S12: and pouring concrete into the cavity through the reserved grouting holes.
According to the construction method in the technical scheme, all parts are assembled into a single retaining wall structure unit, then the two retaining wall structure units are connected through the supporting steel plate, the outer surface of the supporting steel plate, the two retaining wall structure units and the tunnel enclose a cavity for pouring concrete, and the concrete is directly poured into the cavity through the reserved grouting holes. In the technical scheme, the supporting steel plate and the retaining wall structure unit can be directly used as a pouring mold, and the pouring mold does not need to be additionally installed, so that the construction process is simplified; and after the concrete is poured, the supporting steel plate can be used as a decorative surface without being dismantled, so that the construction process is further simplified, and the working efficiency is improved.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.
Claims (7)
1. A novel steel rib structure formwork-free rapid environment-friendly tunnel construction method for a tunnel is characterized by comprising the following steps:
step S1: according to the width of the tunnel, respectively embedding a first column foot and a second column foot in the foundations at two ends in the width direction of the tunnel;
step S2: installing a first supporting plate, wherein the first supporting plate is installed at the upper end of the first column base, and the lower end surface of the first supporting plate is abutted against the surface of the foundation;
step S3: installing a second supporting plate, wherein the second supporting plate is installed at the upper end of the second column foot, and the lower end face of the second supporting plate is abutted against the surface of the foundation;
step S4: hoisting a first upright column, vertically placing the first upright column on the first supporting plate, and welding the lower end of the first upright column with the upper end surface of the first supporting plate;
step S5: installing a first flange, wherein the first flange is installed at the upper end of the first upright post;
step S6: hoisting a second upright column, vertically placing the second upright column on the second support plate, and welding the lower end of the second upright column with the upper end face of the second support plate;
step S7: mounting a second flange, wherein the second flange is mounted at the upper end of the second upright post;
step S8: installing a cross beam, and respectively welding two ends of the cross beam along the length direction of the cross beam with the lower part of the inner wall of the first upright post and the lower part of the inner wall of the second upright post;
step S9: hoisting the arched beam to enable a third flange positioned at the head end of the arched beam to be abutted against the first flange, a fourth flange positioned at the tail end of the arched beam to be abutted against the second flange, and the first flange and the third flange, and the second flange and the fourth flange are connected through bolts; assembling the first column, the second column, and the arched beam into a retaining wall structural unit;
step S10: circularly performing the steps S1 to S9 according to the length of the tunnel and the predetermined distance between every two retaining wall structure units to assemble a plurality of retaining wall structure units;
step S11: laying a supporting steel plate, laying the supporting steel plate between every two retaining wall structure units, and directly taking the supporting steel plate and the retaining wall structure units as a casting mould to enable the outer surface of the supporting steel plate, the retaining wall structure units and the tunnel to enclose a cavity for casting concrete;
step S12: and pouring concrete into the cavity through the reserved grouting holes, and after pouring is finished, keeping the supporting steel plates and the retaining wall structure units in the tunnel.
2. The construction method according to claim 1, wherein before the step S4, the method further comprises:
and a plurality of grouting holes are uniformly distributed on the first upright post, the second upright post and the arched beam.
3. The construction method according to claim 1, wherein before the step S9, the method further comprises:
and an exhaust pipe is arranged on the arched beam.
4. The construction method according to claim 1, wherein the step S9 further includes:
and a first waterproof rubber pad is arranged between the first flange and the third flange, and a second waterproof rubber pad is arranged between the second flange and the fourth flange.
5. The construction method according to claim 1, wherein the step S11 further includes:
and forming a plurality of reinforcing ribs on the support steel plate through sheet metal ruffles in advance, wherein the plurality of reinforcing ribs are arranged in parallel along the length direction of the support steel plate.
6. The construction method according to claim 5, wherein the step S11 further includes:
according to the position of the stiffening rib on the supporting steel plate is two one side opposite to the retaining wall structure unit is provided with a plurality of fixing bolts, and the number of the fixing bolts is two on the retaining wall structure unit, the fixing bolts are connected with the stiffening rib in a clamped mode to achieve the supporting steel plate and the two retaining wall structure units are connected.
7. The construction method according to claim 6, wherein the step S11 further includes:
and coating sealant at the joint of the supporting steel plate and the two protective wall structure units.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010932630.8A CN112065458B (en) | 2020-09-08 | 2020-09-08 | Novel steel skeleton structure formwork-free rapid environment-friendly tunnel construction method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010932630.8A CN112065458B (en) | 2020-09-08 | 2020-09-08 | Novel steel skeleton structure formwork-free rapid environment-friendly tunnel construction method |
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| CN112065458B true CN112065458B (en) | 2022-09-16 |
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| CN107905818A (en) * | 2017-12-11 | 2018-04-13 | 李信斌 | A kind of tunnel concrete lining construction ancillary equipment and construction technology |
| CN208518680U (en) * | 2018-06-15 | 2019-02-19 | 云南交投集团公路建设有限公司 | A kind of spray concrete plug structure for vcehicular tunnel corrugated steel preliminary bracing |
| CN110307013A (en) * | 2019-08-09 | 2019-10-08 | 长沙理工大学 | A kind of unsymmetrial loading tunnel arch and unsymmetrial loading tunnel arch caunch structure |
| CN110359934A (en) * | 2019-08-21 | 2019-10-22 | 中国铁建重工集团股份有限公司 | Hexagonal pipe piece, supporting structure and tunnel construction method |
| CN211174135U (en) * | 2019-10-28 | 2020-08-04 | 重庆市轨道交通设计研究院有限责任公司 | Supporting structure for hidden excavation and hole entering of high-fill side slope and deep backfill soil area tunnel |
-
2020
- 2020-09-08 CN CN202010932630.8A patent/CN112065458B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3010356B1 (en) * | 1998-11-19 | 2000-02-21 | 鹿島建設株式会社 | How to build a tunnel |
| CN104863614A (en) * | 2015-05-15 | 2015-08-26 | 河北腾是达金属结构有限公司 | Method for primary support with corrugated steel plate and concrete combined structure taking place of steel grating |
| CN106761846A (en) * | 2016-12-28 | 2017-05-31 | 中铁第四勘察设计院集团有限公司 | A kind of grid steel frame for tunnel just branch construction exempts to weld pin-connected panel supporting construction |
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| CN208518680U (en) * | 2018-06-15 | 2019-02-19 | 云南交投集团公路建设有限公司 | A kind of spray concrete plug structure for vcehicular tunnel corrugated steel preliminary bracing |
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| CN112065458A (en) | 2020-12-11 |
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Effective date of registration: 20221027 Address after: No.18, Shengda Fifth Branch Road, Xiqing high end metal products industrial zone, Xiqing District, Tianjin Patentee after: CHINA CONSTRUCTION STEEL STRUCTURE TIANJIN Co.,Ltd. Patentee after: China Construction Steel Engineering Co.,Ltd. Address before: No.18, Shengda Fifth Branch Road, Xiqing high end metal products industrial zone, Xiqing District, Tianjin Patentee before: CHINA CONSTRUCTION STEEL STRUCTURE TIANJIN Co.,Ltd. Patentee before: China Construction Science And Industry Co.,Ltd. |