CN114875842B - Lower beam construction method of steel sleeve box of adjacent hydraulic auxiliary structure - Google Patents
Lower beam construction method of steel sleeve box of adjacent hydraulic auxiliary structure Download PDFInfo
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- CN114875842B CN114875842B CN202210593642.1A CN202210593642A CN114875842B CN 114875842 B CN114875842 B CN 114875842B CN 202210593642 A CN202210593642 A CN 202210593642A CN 114875842 B CN114875842 B CN 114875842B
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- sleeve box
- steel sleeve
- steel
- lower beam
- template
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 104
- 239000010959 steel Substances 0.000 title claims abstract description 104
- 238000010276 construction Methods 0.000 title claims abstract description 50
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 10
- 239000004744 fabric Substances 0.000 claims abstract description 6
- 238000003466 welding Methods 0.000 claims abstract description 6
- 238000005192 partition Methods 0.000 claims description 14
- 238000009434 installation Methods 0.000 claims description 13
- 238000000034 method Methods 0.000 claims description 9
- 238000007789 sealing Methods 0.000 claims description 8
- 238000012423 maintenance Methods 0.000 claims description 5
- 239000013535 sea water Substances 0.000 claims description 4
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 3
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 3
- 241001330002 Bambuseae Species 0.000 claims description 3
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 3
- 239000011425 bamboo Substances 0.000 claims description 3
- 238000013016 damping Methods 0.000 claims description 3
- 238000005553 drilling Methods 0.000 claims description 3
- 238000007689 inspection Methods 0.000 claims description 3
- 239000011120 plywood Substances 0.000 claims description 3
- 239000004746 geotextile Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 6
- 239000010410 layer Substances 0.000 description 4
- 239000004973 liquid crystal related substance Substances 0.000 description 2
- 239000011241 protective layer Substances 0.000 description 2
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 1
- 229910000746 Structural steel Inorganic materials 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B3/00—Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
- E02B3/04—Structures or apparatus for, or methods of, protecting banks, coasts, or harbours
- E02B3/06—Moles; Piers; Quays; Quay walls; Groynes; Breakwaters ; Wave dissipating walls; Quay equipment
- E02B3/068—Landing stages for vessels
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D15/00—Handling building or like materials for hydraulic engineering or foundations
- E02D15/02—Handling of bulk concrete specially for foundation or hydraulic engineering purposes
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A10/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE at coastal zones; at river basins
- Y02A10/11—Hard structures, e.g. dams, dykes or breakwaters
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Civil Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Revetment (AREA)
Abstract
The invention discloses a lower beam construction method of a steel sleeve box of an adjacent hydraulic auxiliary structure, which comprises the following steps: the inner wall of the steel sleeve box is provided with slotted holes; welding a reinforcing wallboard on the inner wall of the steel sleeve box after the inner wall is provided with a slot hole; the outer wall of the steel sleeve box is slotted; and (3) taking the reinforced wallboard as an end mould, installing a steel side template, carrying out beam concrete pouring after the template is installed, dismantling the side template after the concrete pouring is completed to reach the strength, covering a layer of geotechnical cloth on the concrete, and sprinkling for curing. The lower beam construction method of the adjacent hydraulic auxiliary structure steel sleeve box is reasonable in design, the steel sleeve box is provided with the slotted holes for construction, and under the offshore environment with large water level fluctuation, the cross operation of the main structure of the hydraulic auxiliary structure and the adjacent lower beam can be realized, the construction progress is quickened, and the construction period is ensured.
Description
Technical Field
The invention relates to the technical field of wharf beam construction, in particular to a lower beam construction method of a steel sleeve box of an adjacent hydraulic auxiliary structure.
Background
Under the offshore environment with large water level fluctuation, the construction of the lower cross beam of the wharf adjacent to the main structure of the hydraulic auxiliary structure is restricted by the construction of the main body of the hydraulic auxiliary structure, and the main body of the hydraulic auxiliary structure is constructed by adopting a double-wall steel sleeve box.
The current lower beam construction is to dismantle the steel sleeve box and then construct the lower beam; the construction method comprises the steps of removing a steel sleeve box after the construction of a hydraulic auxiliary structure is completed to reach the design strength, erecting a beam construction platform, binding beam steel bars, installing a template and pouring a lower beam; the construction progress of the cross beam is restricted by the construction of the main body of the hydraulic auxiliary structure, the sleeve box is not removed, the lower cross beam cannot be constructed, and the subsequent construction is affected.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a lower beam construction method of a steel sleeve box of an adjacent hydraulic auxiliary structure, which can realize the cross operation of a main body structure of the hydraulic auxiliary structure and the adjacent lower beam and accelerate the construction progress.
In order to solve the technical problems, the invention adopts the following technical scheme:
a lower beam construction method of a steel sleeve box of an adjacent hydraulic auxiliary structure comprises the following steps:
s1, slotting holes are formed in the inner wall of a steel sleeve box;
s2, welding a reinforcing wallboard on the inner wall of the steel sleeve box after the inner wall is provided with a slotted hole;
s3, slotting holes are formed in the outer wall of the steel sleeve box;
s4, taking the reinforced wallboard as an end die, installing a steel side template, after the template is installed, carrying out beam concrete pouring, dismantling the side template after the concrete pouring is completed to reach the strength, covering a layer of geotechnical cloth on the concrete, and sprinkling and curing.
Wherein, the liquid crystal display device comprises a liquid crystal display device,
the steel sleeve box is characterized in that angle steel limb backs are welded at the grooved positions of the inner wall of the steel sleeve box, and the tops of the limb backs extend outwards.
Before the construction of the step S1, the horizontal annular plate and the internal supporting structure of the steel sleeve box in the slotting range are removed according to slotting positions.
In the step S2, the reinforcing wallboard is welded on the back of the angle steel limb.
In the step S2, reinforcing partition plates are welded on two sides of the steel sleeve box, corresponding to the grooving positions without the partition plates, and are welded between the inner wall and the outer wall of the steel sleeve box.
And before the construction in the step S1, plugging the open holes on the partition plates in the steel sleeve box at the slotting position through hole sealing steel plates.
Stiffening plates are arranged on the steel sleeve box corresponding to the stiffening wall plates and the stiffening partition plates.
The specific process steps in the step S4 comprise the following steps:
the first step: lower beam supporting system and bottom die installation
The lower beam of the steel pipe rock-socketed pile uses a hoop platform as a template supporting system, and the beam of the pouring rock-socketed pile uses a bracket platform as a template supporting system; after the construction of the rock-socketed pile is completed, removing the drilling platform, installing hoops and corbels on the constructed partial pile foundation at low tide level, and sequentially installing longitudinal beams, transverse distribution beams and bamboo plywood on the hoops and corbels to form a lower cross beam construction platform;
and a second step of: lower beam steel bar binding and ship backing member installation
The steel bars and the embedded parts are all processed on land by blanking and are hoisted to be bound or placed on site by a crane ship; the steel bar joints are welded on site, the prefabricated ship-guiding components are prefabricated on a prefabricated site, transported to an installation site by transporting Liang Chuan water, and installed in place by a crane ship;
and a third step of: lower beam template installation
The side mould adopts a steel template, and the template is erected in a side bottom-wrapping mode; in order to ensure the rigidity of the side mold, channel steel is used as a transverse belt, and the whole template is fixed by a counter-pulling screw rod and a stay bar; the part of the lower cross beam in the steel hanging box takes a reinforced steel plate as an end die, and the die plate is installed by manually matching with a crane ship;
fourth step: lower beam concrete pouring
After the template is installed, concrete pouring can be carried out after inspection, the concrete pouring time is selected to be in damping time, seawater is retracted below the bottom die surface, and concrete layered pouring and vibrating are carried out;
fifth step: lower beam demolding and maintenance
And after the concrete pouring is finished to reach a certain strength, manually matching with a crane ship to dismantle the side mold, covering a layer of geotechnical cloth on the concrete, and sprinkling and curing.
Compared with the prior art, the invention has the following advantages:
the lower beam construction method of the adjacent hydraulic auxiliary structure steel sleeve box is reasonable in design, the steel sleeve box is provided with the slotted holes for construction, and under the offshore environment with large water level fluctuation, the cross operation of the main structure of the hydraulic auxiliary structure and the adjacent lower beam can be realized, the construction progress is quickened, and the construction period is ensured.
Drawings
The contents and the marks in the drawings expressed in the drawings of the present specification are briefly described as follows:
FIG. 1 is a schematic view of the construction flow of the present invention.
Fig. 2 is a schematic plan view of a sleeve slot of the present invention.
Fig. 3 is a schematic diagram of a grooved elevation of the inventive sleeve.
Fig. 4 is a schematic plan view of the hole sealing of the present invention.
FIG. 5 is a schematic diagram of a slotting position according to the present invention.
FIG. 6 is a schematic diagram of a slotting position II according to the present invention.
FIG. 7 is a schematic diagram showing a grooving position according to the present invention.
FIG. 8 is a schematic diagram of a slotting position according to the present invention.
FIG. 9 is a schematic cross-sectional view of a slotted site of the present invention.
In the figure:
1-angle iron limb backs; 2-hole sealing steel plates; 3-filling a beam of the rock-socketed pile; 4-reinforcing a separator; 5-reinforcing the wallboard; 6, a stiffening plate I; 7-a steel sleeve box; 8-a hydraulic auxiliary structure main body structure; 9-steel sleeve box inner wall plates; 10-stiffening plates II; 11-steel pipe rock-socketed pile cross beam.
Detailed Description
The following description of the embodiments of the present invention refers to the accompanying drawings, which illustrate in further detail.
As shown in fig. 1 to 9, the lower beam construction method of the steel sleeve box of the adjacent hydraulic auxiliary structure comprises the following steps:
s1, slotting holes are formed in the inner wall plate 9 of the steel sleeve box 7;
s2, welding a reinforcing wall plate 5 on the inner wall of the steel sleeve box after the inner wall is provided with a slot hole;
s3, slotting holes are formed in the outer wall of the steel sleeve box;
s4, taking the reinforced wallboard as an end die, installing a steel side template, after the template is installed, carrying out beam concrete pouring, dismantling the side template after the concrete pouring is completed to reach the strength, covering a layer of geotechnical cloth on the concrete, and sprinkling and curing.
The steel sleeve box is characterized in that an angle steel limb back 1 is welded at a slotting position of the inner wall of the steel sleeve box, the top of the limb back and the top of the limb back extend outwards, a reinforcing wall plate 5 is welded on the angle steel limb back, and a stiffening plate I6 is welded on the inner side of the steel sleeve box corresponding to the reinforcing wall plate; the structure is reliable.
Further, before the construction of the step S1, the horizontal annular plate and the internal supporting structure of the steel sleeve box in the slotting range are removed according to slotting positions, after the support in the slotting range is removed, slotting construction is carried out on the inner wall of the steel sleeve box, and welding spaces are reserved at four sides of a hole; the construction space is large, and the operation is convenient.
The reinforcing partition plates 4 are welded on the two sides of the steel sleeve box, which correspond to the slotting part without the partition plates, the reinforcing partition plates are welded between the inner wall and the outer wall of the steel sleeve box, and the stiffening plates II 10 are welded on the inner sides of the reinforcing partition plates, so that the structure is reliable.
In order to prevent the seawater after the grooving construction from flowing backwards and affecting the anti-sinking safety of the hanging box, the horizontal annular plate is plugged before the grooving construction. When the hole is plugged, whether the partition plate in the slotting range has an opening or not should be checked on site, and if the partition plate has the opening, the hole is plugged in time. The sealing steel plate 2 is adopted for sealing, and the sealing steel plate can be larger than each side of the hole area; and after the welding of the reinforced steel plate and the stiffening plate is finished and the sealing and water stopping effects are ensured, grooving construction is carried out on the outer wall of the steel sleeve box.
The lower beam construction process is as follows:
the first step: lower beam supporting system and bottom die installation
The lower beam of the steel pipe rock-socketed pile uses a hoop platform as a template supporting system, and the beam of the pouring rock-socketed pile uses a bracket platform as a template supporting system; after the construction of the rock-socketed pile is completed, removing the drilling platform, installing hoops and corbels on the constructed partial pile foundation at low tide level, and sequentially installing longitudinal beams, transverse distribution beams and bamboo plywood on the hoops and corbels to form a lower cross beam construction platform;
and a second step of: lower beam steel bar binding and ship backing member installation
The steel bars, embedded parts and the like are all processed on land in a blanking mode, and are hoisted to be bound or placed on site by a crane ship; the treatment of the reinforcing steel bars meeting piles, holes and the like is carried out according to the design and specification requirements; the binding quality requires regular lines, the spacing meets the standard requirements, the thickness of the protective layer of each side should be noted, and the strength of the cushion block of the protective layer is not less than the strength of the member concrete; the steel bar joint is welded on site, so that the design and specification requirements are met; the prefabricated ship-guiding component is prefabricated in a prefabricated field, transported to an installation site by transporting Liang Chuan water and installed in place by a crane ship.
And a third step of: lower beam template installation
In order to ensure the appearance quality of cast-in-situ concrete, a side mould adopts a steel template, and the template is erected in a side-wrapping manner; in order to ensure the rigidity of the side mold, channel steel is used as a transverse belt, and the whole template is fixed by a counter-pulling screw rod and a stay bar; the part of the lower cross beam in the steel hanging box takes the reinforced steel plate as an end die, the die plate is installed by manually matching with a crane ship, and the die plate needs to be brushed with a release agent before installation and cannot pollute the steel bar.
Fourth step: lower beam concrete pouring
After the template is installed, concrete pouring can be performed after inspection, and the concrete pouring time is selected to be started when the sea water is retreated below the bottom die surface during damping; the concrete is poured and vibrated in a layered mode, the concrete is vibrated manually by an inserted vibrating rod, quincuncial distribution points are adopted, and the concrete is required to be fully compacted until the surface is not flooded and sunk.
Fifth step: lower beam demolding and maintenance
After the concrete is poured to reach a certain strength, manually matching with a crane ship to dismantle the side mould, covering a layer of geotechnical cloth on the concrete, and sprinkling water for maintenance; and dismantling the bottom die and the supporting system after the concrete strength reaches 100% of the design strength.
Fig. 5 is a schematic plan view of a grooving position, in which a beam 3 of a poured rock-socketed pile is formed; fig. 6 is a schematic plan view of a grooving position two, in which a poured rock-socketed pile beam and a steel pipe rock-socketed pile beam 11 are formed; FIG. 7 is a three-plane schematic view of a grooving position, wherein a steel pipe rock-socketed pile beam is formed at the position; fig. 8 is a schematic diagram of a four-plane view of a grooving position, where a steel pipe rock-socketed pile beam is formed.
The lower beam construction method of the steel sleeve box of the adjacent hydraulic auxiliary structure is reasonable in design, the grooving holes on the steel sleeve box are adopted for construction, and under the offshore environment with larger water level fluctuation, the cross operation of the main body structure 8 of the hydraulic auxiliary structure and the adjacent lower beam can be realized, the construction progress is quickened, and the construction period is ensured.
The foregoing description is only illustrative of the preferred embodiments of the present invention, and the above-described technical features may be arbitrarily combined to form a plurality of embodiments of the present invention.
While the invention has been described above with reference to the accompanying drawings, it will be apparent that the invention is not limited to the above embodiments, but is capable of being modified or applied to other applications without any modification, as long as the inventive concept and technical scheme are adopted.
Claims (7)
1. A lower beam construction method of a steel sleeve box of an adjacent hydraulic auxiliary structure is characterized by comprising the following steps:
the lower cross beam is a wharf lower cross beam adjacent to the main body structure of the hydraulic auxiliary structure; the lower beam construction method comprises the following steps:
s1, slotting holes are formed in the inner wall of a steel sleeve box;
s2, welding a reinforcing wallboard on the inner wall of the steel sleeve box after the inner wall is provided with a slotted hole;
s3, slotting holes are formed in the outer wall of the steel sleeve box;
s4, taking the reinforced wallboard as an end mould, installing a steel side template, performing lower beam concrete pouring after the template is installed, removing the side template after the concrete pouring is finished to reach the strength, covering a layer of geotextile on the concrete, and sprinkling water for maintenance;
the specific process steps in the step S4 comprise the following steps:
the first step: lower beam supporting system and bottom die installation
The lower beam of the steel pipe rock-socketed pile uses a hoop platform as a template supporting system, and the lower beam of the pouring rock-socketed pile uses a bracket platform as a template supporting system; after the construction of the rock-socketed pile is completed, removing the drilling platform, installing hoops and corbels on the constructed partial pile foundation at low tide level, and sequentially installing longitudinal beams, transverse distribution beams and bamboo plywood on the hoops and corbels to form a lower cross beam construction platform;
and a second step of: lower beam steel bar binding and ship backing member installation
The steel bars and the embedded parts are all processed on land by blanking and are hoisted to be bound or placed on site by a crane ship; the steel bar joints are welded on site, the prefabricated ship-guiding components are prefabricated on a prefabricated site, transported to an installation site by transporting Liang Chuan water, and installed in place by a crane ship;
and a third step of: lower beam template installation
The side mould adopts a steel template, and the template is erected in a side bottom-wrapping mode; in order to ensure the rigidity of the side mold, channel steel is used as a transverse belt, and the whole template is fixed by a counter-pulling screw rod and a stay bar; the part of the lower cross beam in the steel sleeve box takes the reinforcing wallboard as an end die, and the template is installed by manually matching with a crane ship;
fourth step: lower beam concrete pouring
After the template is installed, concrete pouring can be carried out after inspection, the concrete pouring time is selected to be in damping time, seawater is retracted below the bottom die surface, and concrete layered pouring and vibrating are carried out;
fifth step: lower beam demolding and maintenance
And after the concrete pouring is finished to reach a certain strength, manually matching with a crane ship to dismantle the side mold, covering a layer of geotechnical cloth on the concrete, and sprinkling and curing.
2. A method of constructing a lower beam of a steel sleeve box of an adjacent hydraulic auxiliary structure as claimed in claim 1, wherein: and the grooving positions of the inner wall of the steel sleeve box are welded with angle steel limb backs, and the top and the bottom of the angle steel limb backs extend outwards.
3. A method of constructing a lower beam of a steel sleeve box of an adjacent hydraulic auxiliary structure as claimed in claim 1, wherein: before the construction of the step S1, the horizontal annular plate and the internal supporting structure of the steel sleeve box in the slotting range are removed according to slotting positions.
4. A method of constructing a lower beam of a steel sleeve box of an adjacent hydraulic auxiliary structure as claimed in claim 2, wherein: in the step S2, the reinforcing wallboard is welded on the back of the angle steel limb.
5. A method of constructing a lower beam of a steel sleeve box of an adjacent hydraulic auxiliary structure as claimed in claim 1, wherein: in the step S2, reinforcing partition plates are welded on two sides of the steel sleeve box, corresponding to the grooving positions without the partition plates, and are welded between the inner wall and the outer wall of the steel sleeve box.
6. A method of constructing a lower beam of a steel sleeve box of an adjacent hydraulic auxiliary structure as claimed in claim 1, wherein: and before the construction in the step S1, plugging the open holes on the partition plates in the steel sleeve box at the slotting position through hole sealing steel plates.
7. A method of constructing a lower beam of a steel sleeve box of an adjacent hydraulic auxiliary structure as defined in claim 5, wherein: stiffening plates are arranged on the steel sleeve box corresponding to the stiffening wall plates and the stiffening partition plates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210593642.1A CN114875842B (en) | 2022-05-27 | 2022-05-27 | Lower beam construction method of steel sleeve box of adjacent hydraulic auxiliary structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210593642.1A CN114875842B (en) | 2022-05-27 | 2022-05-27 | Lower beam construction method of steel sleeve box of adjacent hydraulic auxiliary structure |
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| CN114875842A CN114875842A (en) | 2022-08-09 |
| CN114875842B true CN114875842B (en) | 2023-07-18 |
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|---|---|---|---|---|
| JPH09235721A (en) * | 1996-02-29 | 1997-09-09 | Kawasaki Steel Corp | Pile-girder type artificial ground structural body and construction method thereof |
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| CN109295982A (en) * | 2018-11-15 | 2019-02-01 | 中国二十二冶集团有限公司 | The construction method of binder steel jacket box in water |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4869620A (en) * | 1988-09-30 | 1989-09-26 | Dow John M | Method and apparatus for constructing seawalls and docks |
| JP4793634B2 (en) * | 2006-02-03 | 2011-10-12 | 清水建設株式会社 | Temporary deadline construction method |
| JP4625532B1 (en) * | 2009-08-26 | 2011-02-02 | 株式会社イスミック | Construction method of temporary closing structure around bridge pier and platform used for construction |
| KR101743509B1 (en) * | 2016-12-26 | 2017-06-07 | 주식회사 더빔 | Rahmen bridge with temporary hinge structure reinforced seismic capability and the con struction method therefor |
| CN107841952B (en) * | 2017-11-30 | 2023-03-28 | 中铁二十局集团第一工程有限公司 | Attached type high-altitude assembly support and construction method for side-span cast-in-place section of rigid frame continuous beam |
| CN208844415U (en) * | 2018-07-30 | 2019-05-10 | 中国建筑第八工程局有限公司 | For changing the aqueduct of the flow direction in the river above piping lane to be onstructed |
| CN111042047A (en) * | 2019-12-30 | 2020-04-21 | 中建港航局集团有限公司 | Construction process for lower cross beam of platform |
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| JP2003342933A (en) * | 2002-05-29 | 2003-12-03 | Ishikawajima Harima Heavy Ind Co Ltd | Method for constructing swash-plate bank |
| CN109295982A (en) * | 2018-11-15 | 2019-02-01 | 中国二十二冶集团有限公司 | The construction method of binder steel jacket box in water |
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| 《钢横梁吊装施工技术要点研究 ——以凉州 2 号特大桥为例》;张康银等;《工程技术研究》;第2021年卷(第第21期期);26-28 * |
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| CN114875842A (en) | 2022-08-09 |
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