CN112482197A - Corrugated steel web mounting structure suitable for asynchronous cradle construction - Google Patents
Corrugated steel web mounting structure suitable for asynchronous cradle construction Download PDFInfo
- Publication number
- CN112482197A CN112482197A CN202011406981.1A CN202011406981A CN112482197A CN 112482197 A CN112482197 A CN 112482197A CN 202011406981 A CN202011406981 A CN 202011406981A CN 112482197 A CN112482197 A CN 112482197A
- Authority
- CN
- China
- Prior art keywords
- corrugated steel
- steel web
- plate
- web plate
- edge
- 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.)
- Granted
Links
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 132
- 239000010959 steel Substances 0.000 title claims abstract description 132
- 238000010276 construction Methods 0.000 title claims abstract description 30
- 230000000149 penetrating effect Effects 0.000 claims abstract description 4
- 230000007704 transition Effects 0.000 claims description 11
- 230000008901 benefit Effects 0.000 description 6
- 238000009434 installation Methods 0.000 description 5
- 238000011900 installation process Methods 0.000 description 4
- 230000007246 mechanism Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 3
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000009958 sewing Methods 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
- E01D21/10—Cantilevered erection
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Revetment (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
A corrugated steel web plate mounting structure suitable for asynchronous hanging basket construction relates to a corrugated steel web plate structure, wherein an L-shaped square pipe (3) is covered on a first edge of a corrugated steel web plate (4) positioned at the top and a second edge adjacent to the first edge, a through seam (14) penetrating through an L-shaped pipe cavity (16) is arranged in the middle of the outer edge surface of the L-shaped square pipe (3), an inserting plate (9) is arranged in the middle of the outer edge surface of a surrounding plate B (10), a semi-cylinder (1) with a side arc surface extending inwards is arranged on the outer side of the top of the inserting plate (9), the corrugated steel web plate (4) is provided with a plurality of semi-cylinders (1), the semi-cylinder (1) of the later corrugated steel web plate (4) penetrates into the L-shaped pipe cavity (16) of the former corrugated steel web plate (4) through a notch (2) arranged on the former corrugated steel web plate (4); according to the invention, the corrugated steel webs are arranged into the splicing structure which can be spliced with each other, so that the purpose of hoisting the corrugated steel webs without an additional crane during asynchronous cradle construction is realized.
Description
Technical Field
The invention relates to a corrugated steel web plate structure, in particular to a corrugated steel web plate mounting structure suitable for asynchronous hanging basket construction.
Background
In the infrastructure field, corrugated steel web concrete composite beam bridge is as a neotype integrated configuration bridge, because of its dead weight and structural advantage have been promoted at present gradually at home, its apparent characteristics are that adopt the wave form steel sheet that thickness is 10~30mm to replace the concrete web that thickness is 30~80cm, make the case roof beam dead weight alleviate 10~25%, the dead load internal force reduces, increase concrete bridge span, reduce engineering cost, improve anti-seismic performance, make full use of the concrete compression resistance, corrugated steel web advantage that shear yield strength is high, make both effectively combine, the advantage of avoiding short is raised the advantage, the availability factor of material has been improved. Therefore, the process of cantilever asynchronous dislocation construction for corrugated steel webs is gradually innovated and perfected at present, the hanging basket of the asynchronous dislocation construction method is a method which is improved by combining the advantages of the corrugated steel webs, the corrugated steel webs are used as bearing members, and three process sections, namely an N-1 section corrugated steel web box girder top plate pouring section, an N section bottom plate pouring section and an N +1 section corrugated steel web are installed and constructed simultaneously, and the hanging basket of the asynchronous dislocation construction method has the advantages of simple process flow, shortened construction period by about 20 percent and light weight compared with the conventional hanging basket. The installation of traditional corrugated steel web all will use the loop wheel machine to connect after the corrugated steel web that will need the installation is unsettled again, but when the district that can't set up the loop wheel machine such as river-crossing construction operation is under construction, the installation of corrugated steel web has just become a difficult problem.
Disclosure of Invention
In order to overcome the defects in the background art, the invention discloses a corrugated steel web plate mounting structure suitable for asynchronous cradle construction.
In order to realize the purpose, the invention adopts the following technical scheme:
a corrugated steel web plate mounting structure suitable for asynchronous hanging basket construction comprises a corrugated steel web plate, wherein an L-shaped square pipe covers a first edge of the corrugated steel web plate at the top and a second edge adjacent to the first edge, an L-shaped pipe cavity is arranged in the L-shaped square pipe, a notch is arranged at the end part of the L-shaped square pipe, which is positioned at the first edge of the corrugated steel web plate, a corner of the L-shaped square pipe is in arc transition, a through seam penetrating through the L-shaped pipe cavity is arranged in the middle of the outer edge surface of the L-shaped square pipe, a stop block is arranged at the end part of the L-shaped square pipe, which is positioned at the second edge of the corrugated steel web plate, a coaming plate A covers a third edge of the corrugated steel web plate at the bottom, a vertical plate extending downwards is arranged in the middle of the lower end of the coaming plate A, a B covers a fourth edge of the corrugated steel web plate, an inserting plate is arranged in the middle of the outer edge surface, corrugated steel web is the polylith, and the opening that the semicircle post that back corrugated steel web was equipped with by preceding corrugated steel web penetrates "L" venturi tube intracavity that preceding corrugated steel web was equipped with, and the picture peg that back corrugated steel web was equipped with passes the logical seam that preceding corrugated steel web was equipped with, and the lower extreme of the picture peg that back corrugated steel web was equipped with and the dog that preceding corrugated steel web was equipped with contact.
The corrugated steel web mounting structure suitable for asynchronous hanging basket construction is characterized in that the section of the L-shaped pipe cavity is identical to that of the semi-cylindrical symmetry axis, and the curvature of the outer side wall of the L-shaped pipe cavity at the arc transition corner is identical to that of the side arc surface of the semi-cylindrical symmetry axis.
The corrugated steel web mounting structure suitable for asynchronous hanging basket construction is characterized in that a plurality of through holes are formed in two side walls of an L-shaped pipe cavity located on the second edge of the previous corrugated steel web relatively, and a plurality of through holes are formed in the rear inserting plate corresponding to the through holes.
Corrugated steel web mounting structure suitable for asynchronous basket construction of hanging, in a plurality of through-holes that back corrugated steel web was equipped with and the both ends of each bolt worn out respectively from two corresponding perforation that preceding corrugated steel web was equipped with are arranged in respectively to a plurality of bolts.
The corrugated steel web mounting structure suitable for asynchronous hanging basket construction is characterized in that a plurality of upper connecting holes are formed in two sides of an L-shaped square tube located on a first edge of a corrugated steel web.
The corrugated steel web mounting structure suitable for asynchronous cradle construction is characterized in that a plurality of lower connecting holes are formed in the vertical plate at intervals.
Due to the adoption of the technical scheme, the invention has the following beneficial effects:
according to the corrugated steel web mounting structure suitable for asynchronous cradle construction, the corrugated steel webs are arranged into the splicing structure capable of being spliced with each other, so that the purpose of hoisting the corrugated steel webs without additional cranes during the asynchronous cradle construction is achieved; the invention has reasonable design, convenient operation and installation, effectively reduces the construction difficulty and has good popularization value.
Drawings
FIG. 1 is a schematic structural view of a corrugated steel web according to the present invention;
FIG. 2 is a right side view of FIG. 1;
FIG. 3 is a schematic view of the internal structure of a corrugated steel web according to the present invention;
FIG. 4 is a schematic view of the mating structure of the semicircular block and the inserting plate of the present invention;
FIG. 5 is a schematic structural view of the present invention;
FIG. 6 is a first schematic structural view of an installation process of the present invention;
FIG. 7 is a second schematic structural view of the installation process of the present invention;
FIG. 8 is a third schematic structural view of the installation process of the present invention;
fig. 9 is a fourth schematic structural view of the installation process of the present invention.
In the figure: 1. a semi-cylinder; 2. opening the gap; 3. an L-shaped square tube; 4. a corrugated steel web; 5. an upper connecting hole; 6. a coaming A; 7. performing arc transition; 8. a through hole; 9. inserting plates; 10. a coaming B; 11. a lower connection hole; 12. a vertical plate; 13. perforating; 14. c, through sewing; 15. a stopper; 16. an "L" shaped lumen; 17. a rope; 18. a top rod; 19. and (4) a bolt.
Detailed Description
The present invention will be explained in more detail by the following examples, which are not intended to limit the present invention, and all changes and modifications within the scope of the present invention are intended to be protected by the disclosure of the present invention;
the corrugated steel web mounting structure suitable for asynchronous hanging basket construction comprises a corrugated steel web 4, wherein an L-shaped square pipe 3 covers a first edge of the corrugated steel web 4 at the top and a second edge adjacent to the first edge, an L-shaped pipe cavity 16 is arranged in the L-shaped square pipe 3, a notch 2 is arranged at the end part of the L-shaped square pipe 3 at the first edge of the corrugated steel web 4, a plurality of upper connecting holes 5 are arranged at two sides of the L-shaped square pipe 3 at the first edge of the corrugated steel web 4, an arc transition 7 is arranged at the corner of the L-shaped square pipe 3, a through seam 14 penetrating through the L-shaped pipe cavity 16 is arranged in the middle of the outer edge surface of the L-shaped square pipe 3, a stop block 15 is arranged at the end part of the L-shaped square pipe 3 at the second edge of the corrugated steel web 4, an A6 covers a third edge of the corrugated steel web 4 at the bottom, and a vertical plate 12 extending downwards is arranged in the middle of the lower end of an A6, a plurality of lower connecting holes 11 are arranged on a vertical plate 12 at intervals, a coaming B10 is covered on the fourth edge of a corrugated steel web plate 4, an inserting plate 9 is arranged in the middle of the outer edge surface of the coaming B10, a semi-cylinder 1 with a side arc surface extending inwards is arranged on the outer side of the top of the inserting plate 9, a plurality of corrugated steel web plates 4 are arranged, the semi-cylinder 1 arranged on the later corrugated steel web plate 4 penetrates into an L-shaped pipe cavity 16 arranged on the former corrugated steel web plate 4 through a notch 2 arranged on the former corrugated steel web plate 4, the inserting plate 9 arranged on the later corrugated steel web plate 4 penetrates through a through seam 14 arranged on the former corrugated steel web plate 4, the lower end of the inserting plate 9 arranged on the later corrugated steel web plate 4 is contacted with a stop block 15 arranged on the former corrugated steel web plate 4, the section of the L-shaped pipe cavity 16 is the same as the section of the symmetrical shaft of the semi-cylinder 1, the curvature of the outer side wall of the L-, a plurality of through holes 13 are oppositely arranged on two side walls of an L-shaped pipe cavity 16 positioned on the second side of the previous corrugated steel web plate 4, a plurality of through holes 8 are arranged on the next inserting plate 9 corresponding to the through holes 13, a plurality of bolts 19 are respectively arranged in the through holes 8 arranged on the next corrugated steel web plate 4, and two ends of each bolt 19 respectively penetrate out of the two corresponding through holes 13 arranged on the previous corrugated steel web plate 4.
The corrugated steel web plate mounting structure suitable for asynchronous hanging basket construction is implemented by fixedly connecting a first corrugated steel web plate 4 with a bridge, rotating a later corrugated steel web plate 4 to enable a semi-cylinder 1 arranged on the later corrugated steel web plate 4 to be arranged on a notch 2 arranged on the former corrugated steel web plate 4 by combining an attached figure 6, inserting an inserting plate 9 arranged on the later corrugated steel web plate 4 into a first side through seam 14 positioned on the top of the former corrugated steel web plate 4, enabling the later corrugated steel web plate 4 to bear on the top of an L-shaped square pipe 3 arranged on the former corrugated steel web plate 4 by utilizing a coaming B10 arranged on the later corrugated steel web plate 4, arranging a pushing mechanism on the top of the laid bridge, enabling an ejector rod 18 arranged on the pushing mechanism to abut against the later corrugated steel web plate 4, arranging a pull rope mechanism on the top of the laid bridge, and connecting the end part of a rope 17 arranged on the pull rope mechanism with the through seam 13; firstly, loosening a rope 17, pushing a rear corrugated steel web plate 4 by an ejector rod 18 to penetrate into an L-shaped pipe cavity 16 arranged on a front corrugated steel web plate 4 from a gap 2 arranged on the front corrugated steel web plate 4 along a semi-cylinder 1 arranged on the rear corrugated steel web plate 4 to move, wherein the cross section of the L-shaped pipe cavity 16 is the same as that of a symmetry axis of the semi-cylinder 1, so that the semi-cylinder 1 cannot swing in the L-shaped pipe cavity 16;
with reference to fig. 7, when the ejector rod 18 pushes the semi-cylinder 1 arranged on the next corrugated steel web 4 to reach the corner of the "L" -shaped pipe cavity 16 arranged on the previous corrugated steel web 4, the rope 17 is tightened, the ejector rod 18 does not push the next corrugated steel web 4 any more, because the curvature of the outer side wall of the "L" -shaped pipe cavity 16 of the previous corrugated steel web 4 at the corner of the arc transition 7 is the same as the curvature of the side arc surface of the semi-cylinder 1 arranged on the next corrugated steel web 4, the gravity of the next corrugated steel web 4 forces the next corrugated steel web 4 to rotate along the center of the semi-cylinder 1 arranged on the next corrugated steel web 4;
with reference to fig. 8, because the L-shaped tubular cavity of the L-shaped square tube is located on the two arc-shaped side walls of the arc transition 7 and has a concentric structure, the half-cylinder 1 is in smooth transition at this position, the latter corrugated steel web 4 smoothly rotates, when the latter corrugated steel web 4 rotates to the middle of the corner of the L-shaped tubular cavity 16 of the former corrugated steel web 4, the arc surface of the half-cylinder 1 is attached to the outer arc surface of the arc transition 7, and the middle of the plane of the half-cylinder 1 is in contact with the middle of the inner arc surface of the arc transition 7;
with reference to fig. 9, slowly releasing the tightened rope 17 until the coaming B10 arranged on the next corrugated steel web 4 is contacted with the outer wall of the second side of the L-shaped square tube 3 arranged on the previous corrugated steel web 4, inserting the inserting plate 9 arranged on the next corrugated steel web 4 along the through seam 14 arranged on the second side of the previous corrugated steel web 4, and then releasing the rope 17 to make the lower end of the inserting plate 9 arranged on the next corrugated steel web 4 contacted with the stop block 15 arranged on the previous corrugated steel web 4;
a plurality of bolts 19 are respectively arranged in a plurality of through holes 8 arranged on the next corrugated steel web plate 4, two ends of each bolt 19 respectively penetrate out of two corresponding through holes 13 arranged on the previous corrugated steel web plate 4, so that the installation of the next corrugated steel web plate 4 can be realized, the asynchronous hanging basket is utilized to carry out staged construction, reinforcing steel bars penetrate into the upper connecting holes 5 to enable the part, located on the first side, of the L-shaped square pipe 3 to be embedded into the top plate of the bridge, and reinforcing steel bars penetrate into the lower connecting holes 11 to enable the vertical plate 12 to be embedded into the bottom plate of the bridge.
The present invention is not described in detail in the prior art.
Claims (6)
1. The utility model provides a corrugated steel web mounting structure suitable for asynchronous basket construction of hanging, characterized by: comprises a corrugated steel web plate (4), an L-shaped square pipe (3) is covered on a first edge of the corrugated steel web plate (4) positioned at the top and a second edge adjacent to the first edge, an L-shaped pipe cavity (16) is arranged in the L-shaped square pipe (3), a notch (2) is arranged at the end part of the L-shaped square pipe (3) positioned at the first edge of the corrugated steel web plate (4), an arc transition (7) is arranged at the corner of the L-shaped square pipe (3), a through seam (14) penetrating through the L-shaped pipe cavity (16) is arranged in the middle of the outer edge surface of the L-shaped square pipe (3), a stop block (15) is arranged at the end part of the L-shaped square pipe (3) positioned at the second edge of the corrugated steel web plate (4), a coaming A (6) is covered on the third edge of the corrugated steel web plate (4) positioned at the bottom, a vertical plate (12) extending downwards is arranged in the middle of the lower end of the coaming A (6), and a coaming B, be equipped with picture peg (9) in the middle part of bounding wall B (10) outer fringe face, the outside at picture peg (9) top is equipped with side cambered surface inward extension's halfcylinder (1), corrugated steel web (4) are the polylith, halfcylinder (1) that back corrugated steel web (4) were equipped with penetrates "L" shape lumen (16) that previous corrugated steel web (4) were equipped with in opening (2) that previous corrugated steel web (4) were equipped with, picture peg (9) that back corrugated steel web (4) were equipped with pass through seam (14) that previous corrugated steel web (4) were equipped with, the lower extreme of picture peg (9) that back corrugated steel web (4) were equipped with contacts with dog (15) that previous corrugated steel web (4) were equipped with.
2. The corrugated steel web mounting structure suitable for asynchronous cradle construction according to claim 1, wherein: the section of the L-shaped pipe cavity (16) is the same as that of the symmetry axis of the semi-cylinder (1), and the curvature of the outer side wall of the L-shaped pipe cavity (16) at the corner of the arc transition (7) is the same as that of the side arc surface of the semi-cylinder (1).
3. The corrugated steel web mounting structure suitable for asynchronous cradle construction according to claim 1, wherein: a plurality of through holes (13) are oppositely arranged on two side walls of an L-shaped pipe cavity (16) which is positioned on the second side of the front corrugated steel web plate (4), and a plurality of through holes (8) are arranged on the rear inserting plate (9) which corresponds to the through holes (13).
4. The corrugated steel web mounting structure suitable for asynchronous cradle construction according to claim 3, wherein: a plurality of bolts (19) are respectively arranged in a plurality of through holes (8) arranged on the rear corrugated steel web plate (4), and two ends of each bolt (19) respectively penetrate out from two corresponding through holes (13) arranged on the front corrugated steel web plate (4).
5. The corrugated steel web mounting structure suitable for asynchronous cradle construction according to claim 1, wherein: a plurality of upper connecting holes (5) are formed in two sides of the L-shaped square pipe (3) located on the first side of the corrugated steel web plate (4).
6. The corrugated steel web mounting structure suitable for asynchronous cradle construction according to claim 1, wherein: a plurality of lower connecting holes (11) are arranged on the vertical plate (12) at intervals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011406981.1A CN112482197B (en) | 2020-12-04 | 2020-12-04 | Corrugated steel web mounting structure suitable for asynchronous cradle construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011406981.1A CN112482197B (en) | 2020-12-04 | 2020-12-04 | Corrugated steel web mounting structure suitable for asynchronous cradle construction |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112482197A true CN112482197A (en) | 2021-03-12 |
| CN112482197B CN112482197B (en) | 2022-03-25 |
Family
ID=74938239
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011406981.1A Active CN112482197B (en) | 2020-12-04 | 2020-12-04 | Corrugated steel web mounting structure suitable for asynchronous cradle construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112482197B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0868198A (en) * | 1994-08-26 | 1996-03-12 | Yoneyama Kogyo Kk | Moving type suspended scaffold device |
| CN105088969A (en) * | 2015-09-09 | 2015-11-25 | 上海城建市政工程（集团）有限公司 | Closure method for multi-tower single-cable-plane cable-stayed bridge |
| CN204940130U (en) * | 2015-09-09 | 2016-01-06 | 上海城建市政工程（集团）有限公司 | A kind of integral lifting device of Wavelike steel webplate parts |
| CN205348008U (en) * | 2016-01-20 | 2016-06-29 | 长沙理工大学 | Basket is hung in construction of wave form rigid web |
| CN206070393U (en) * | 2016-09-20 | 2017-04-05 | 中交武汉港湾工程设计研究院有限公司 | A kind of asynchronous construction hanging basket of Wavelike steel webplate composite beam bridge |
-
2020
- 2020-12-04 CN CN202011406981.1A patent/CN112482197B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0868198A (en) * | 1994-08-26 | 1996-03-12 | Yoneyama Kogyo Kk | Moving type suspended scaffold device |
| CN105088969A (en) * | 2015-09-09 | 2015-11-25 | 上海城建市政工程（集团）有限公司 | Closure method for multi-tower single-cable-plane cable-stayed bridge |
| CN204940130U (en) * | 2015-09-09 | 2016-01-06 | 上海城建市政工程（集团）有限公司 | A kind of integral lifting device of Wavelike steel webplate parts |
| CN205348008U (en) * | 2016-01-20 | 2016-06-29 | 长沙理工大学 | Basket is hung in construction of wave form rigid web |
| CN206070393U (en) * | 2016-09-20 | 2017-04-05 | 中交武汉港湾工程设计研究院有限公司 | A kind of asynchronous construction hanging basket of Wavelike steel webplate composite beam bridge |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112482197B (en) | 2022-03-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN212224234U (en) | A precast concrete beam-column connection structure | |
| CN109016127B (en) | Bridge arch box prefabrication production and transverse connection method thereof | |
| CN211690817U (en) | Beam column connecting piece and beam column frame | |
| CN112482197B (en) | Corrugated steel web mounting structure suitable for asynchronous cradle construction | |
| CN211815522U (en) | External prestress steering structure | |
| CN113699884A (en) | Rectangular concrete-filled steel tube cable tower adopting prefabricated web plates | |
| CN112591599A (en) | Anti-fatigue prestressed variable-section steel crane beam and manufacturing method thereof | |
| CN218346554U (en) | Steel joint concrete precast beam component | |
| CN116427256A (en) | A slotted hole web composite beam and concrete abutment joint and its construction method | |
| CN211116419U (en) | Precast concrete fan tower section of thick bamboo | |
| CN212295341U (en) | Section steel concrete column underpinning node | |
| CN214195777U (en) | Reinforced structure for door opening of segmented precast concrete tower barrel | |
| CN115748456A (en) | Movable cable clamp capable of erecting stiffening beam | |
| CN115492283A (en) | A curved double steel plate-concrete shear wall and its manufacturing method | |
| CN219567269U (en) | Heavy pile foundation steel reinforcement cage hoist device | |
| CN217781706U (en) | Assembled temporary asymmetric cable-stayed bridge | |
| CN220847132U (en) | Front buckling point structure for arch rib cable-stayed buckling | |
| CN222862691U (en) | Grouting-free precast column with fixing device | |
| CN212924199U (en) | Split combined truss | |
| CN210457213U (en) | End beam segmented connection type bridge structure suitable for large bridge crane | |
| CN215516443U (en) | Boom of large-boom-length crane | |
| CN212104654U (en) | Connecting structure of precast concrete external wall panel | |
| CN216512562U (en) | Integral standard knot for tower crane | |
| CN213390154U (en) | Prefabricated concrete pipe supports | |
| CN110468966B (en) | Joints between steel plate concrete walls and steel beams based on prefabricated crossed U-shaped connectors |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |