CN219886545U - Bridge stull structure with mortise and tenon structure - Google Patents
Bridge stull structure with mortise and tenon structure Download PDFInfo
- Publication number
- CN219886545U CN219886545U CN202321096127.9U CN202321096127U CN219886545U CN 219886545 U CN219886545 U CN 219886545U CN 202321096127 U CN202321096127 U CN 202321096127U CN 219886545 U CN219886545 U CN 219886545U
- Authority
- CN
- China
- Prior art keywords
- tenon
- left end
- mortise
- hand member
- cross brace
- 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.)
- Active
Links
- 230000009194 climbing Effects 0.000 claims abstract description 66
- 238000010276 construction Methods 0.000 claims abstract description 42
- 238000000034 method Methods 0.000 claims abstract description 10
- 229910000831 Steel Inorganic materials 0.000 claims description 17
- 239000010959 steel Substances 0.000 claims description 17
- 239000000463 material Substances 0.000 claims description 5
- 125000006850 spacer group Chemical group 0.000 claims description 4
- 239000000203 mixture Substances 0.000 description 8
- 230000000694 effects Effects 0.000 description 5
- 238000009434 installation Methods 0.000 description 4
- 238000003466 welding Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
Landscapes
- Bridges Or Land Bridges (AREA)
Abstract
A bridge cross brace structure with mortise and tenon structures relates to the field of civil engineering, in particular to a bridge cross brace structure. The utility model solves the technical problems of complicated construction process, high construction cost, complex structure and difficult operation of the traditional bridge cross brace structure, the left end of the cross brace is provided with the cross brace end head, the left end first climbing cone device is buried on a tower column, the left tenon is connected with the tower column through the left end first climbing cone device, the left end of the left end cross brace end head is provided with the left tenon seat, the left tenon seat is connected with the left tenon mortise and tenon to form a left tenon mortise structure, the right cushion block is fixedly connected with the tower column through the right end second climbing cone device, the right pretensioning device is arranged between the right end cross brace end head and the right cushion block, and the right end cross brace device is also provided with the mortise structure. The horizontal cross brace is used for the horizontal cross brace transversely arranged on the inner side of the bridge tower column.
Description
Technical Field
The utility model relates to the field of civil engineering, in particular to the field of bridge cross brace structures.
Background
Along with the sustainable development of globalization economy, the industrialization and technological level of China are improved. According to the related statistical literature, the construction quantity of the Chinese bridge is in the forefront of the world. With the development of the construction of the bridge towards ultra-large span, the cable-stayed bridge is generated. In the construction process of the cable-stayed bridge, a plurality of horizontal cross braces are often required to be arranged on the transverse inner side of the tower column in order to ensure the safety and the quality of the construction of the tower column of the cable-stayed bridge, and the construction progress of the cable-stayed bridge is indirectly influenced by the installation of the cross braces.
For the installation of the cross braces, the tower column with lower height generally adopts a method of directly installing the cross braces by erecting a bracket on the ground or a lower cross beam, and the method has the defects of complex construction process, high construction cost and great potential safety hazard; the tower column with higher height is generally provided with a bracket structure, the transverse support structure is hoisted to a preset height and then welded with the bracket structure, the installation is completed through the simultaneous jacking structure of the jacks at the two ends, the structure is complex in structure and difficult to operate, and if the operation is improper, the construction progress of the tower column is affected.
Disclosure of Invention
The utility model aims to solve the problems of complicated installation process, difficult construction operation and large potential safety hazard during use of the traditional cross brace, and further provides a bridge cross brace structure with a mortise and tenon structure.
The bridge cross brace structure with the mortise and tenon structure comprises a tower column, a cross brace, a left end cross brace device and a right end cross brace device; the method is characterized in that:
the left end cross brace device comprises a left end cross brace end head, a left end tenon seat, a left end tenon and a left end first climbing cone device, wherein the left end of the cross brace is provided with a left end cross brace end head, one end of the left end first climbing cone device is vertically buried on a tower column, the left end of the left end tenon is connected with the tower column through the left end first climbing cone device, the left end of the left end cross brace end head is provided with a left end tenon seat, and mortise and tenon connection between the left end tenon seat and the left end tenon forms a left end mortise and tenon structure;
the right-end cross bracing device comprises a right-end cross bracing end head, a right-end tenon seat, a right-end first climbing cone device, a right-end pre-tightening device, a right-end cushion block and a right-end second climbing cone device, wherein the right-end cushion block is fixedly connected with a tower column through the right-end second climbing cone device, the right-end cross bracing is provided with a right-end cross bracing end head, the right-end pre-tightening device is arranged between the right-end cross bracing end head and the right-end cushion block, one end of the right-end first climbing cone device is vertically buried on the tower column, the right end of the right-end tenon is connected with the tower column through the right-end first climbing cone device, and the right-end tenon mortise-tenon joint between the right-end tenon mortise-tenon joint is formed into a right-end mortise-tenon joint structure.
As another improvement of the utility model, the left tenon and the left first climbing cone device are connected through bolts through a left first flange plate;
still include right-hand member first ring flange and right-hand member second ring flange, right-hand member tenon and right-hand member first climbing awl device carry out bolted connection through right-hand member first ring flange, right-hand member cushion and right-hand member second climbing awl device carry out bolted connection through right-hand member second ring flange.
As another improvement of the utility model, the left end first flange plate is pre-welded on the left end face of the left end tenon;
the first flange plate at the right end is pre-welded on the right end face of the tenon at the right end, and the second flange plate at the right end face of the cushion block at the right end is pre-welded.
As another improvement of the utility model, the left first climbing device, the right first climbing device and the right second climbing device are all pre-buried in preset positions in the tower column while constructing the tower column.
As another improvement of the utility model, the right-end pre-tightening device comprises a right-end third flange, a right-end jack and a right-end steel wedge block, wherein the left end face of the right-end jack is connected with the right-end cross brace end through the right-end third flange through bolts, the right end face of the right-end jack is used for pushing the cushion block, and the steel wedge block is used for shoveling the right-end cross brace end and the right-end cushion block.
As another improvement of the utility model, the third flange plate at the right end is pre-welded on the left end face of the right-end jack.
As another improvement of the utility model, the cross brace, the left end cross brace end head, the left end tenon seat, the left end tenon, the left end first climbing cone device, the right end cross brace end head, the right end tenon seat, the right end tenon, the right end first climbing cone device, the right end pre-tightening device, the right end cushion block and the right end second climbing cone device are all made of steel materials.
As another improvement of the utility model, the cross section of the right end cushion block (5) is round, and the cross section area of the cross brace is smaller than that of the right end cushion block.
As another improvement of the utility model, the left end mortise and tenon structure is replaced by any one of a short mortise and tenon structure, a tenon and tenon double mortise and tenon structure and a tenon and limb structure;
the right-end mortise and tenon structure is replaced by any one of a short mortise and tenon structure, a tenon and tenon double mortise and tenon structure and a tenon limb structure.
The utility model has the beneficial effects that:
1. the bridge cross brace structure with the mortise and tenon structure has the advantages that the left mortise and tenon structure and the right mortise and tenon structure are formed, compared with a traditional bracket structure, the structure is simplified, the construction steps are simplified, and the construction efficiency is improved.
The right-end pre-tightening device is arranged at the right end of the bridge cross brace structure, so that the construction operation is more convenient and faster compared with the conventional structure in which the pre-tightening devices are arranged at the left end and the right end of the bridge cross brace structure.
2. The tenon and the climbing cone device of the bridge transverse support structure with the mortise and tenon structure are connected through the flange plate through bolts, and the function of the tenon and climbing cone device is that the connection mode is simple, and the construction efficiency is improved.
3. The utility model relates to a bridge cross brace structure with a mortise and tenon structure, wherein a first flange plate at the left end of the bridge cross brace structure is pre-welded on the left end face of a tenon at the left end;
the first ring flange of right-hand member is welded on the right-hand member tenon's right-hand member terminal surface in advance, and the second ring flange of right-hand member is welded on the right-hand member terminal surface of right-hand member cushion in advance, adopts the prewelding effect to guarantee construction safety, improves the efficiency of construction.
4. According to the bridge cross bracing structure with the mortise and tenon structure, the left first climbing device, the right first climbing device and the right second climbing device are all embedded in preset positions in a tower column when the tower column is constructed, the effect of the bridge cross bracing structure is to ensure firm structural quality, construction safety and construction efficiency.
5. The utility model relates to a left right end face of a right end jack of a right end pre-tightening device of a bridge cross brace structure with a mortise and tenon structure, which is used for pushing a cushion block, and a steel wedge block is used for tightly shoveling a right end cross brace end head and the right end cushion block.
6. According to the bridge transverse bracing structure with the mortise and tenon structure, the third flange plate at the right end is pre-welded on the left end face of the right jack, and the pre-welding function is adopted to ensure construction safety and improve construction efficiency.
7. The bridge cross brace structure with the mortise and tenon structure is characterized in that the left cross brace end, the left end tenon seat, the left end tenon, the left end first climbing cone device, the right end cross brace end, the right end tenon seat, the right end tenon, the right end first climbing cone device, the right end pre-tightening device, the right end cushion block and the right end second climbing cone device are made of steel materials.
8. The cross section of the right end cushion block (5) of the bridge cross brace structure with the mortise and tenon structure is circular, and the cross section area of the cross brace is smaller than that of the right end cushion block, so that the cushion block is stressed more uniformly.
9. The left-end mortise and tenon structure of the bridge transverse strut structure with the mortise and tenon structure is replaced by any one of a left-end short mortise and tenon structure, a left-end tenon double mortise and tenon structure and a left-end tenon limb structure;
the right-end mortise and tenon structure is replaced by any one of a right-end short mortise and tenon structure, a right-end tenon and tenon double mortise and tenon structure and a right-end tenon and tenon structure. The mortise and tenon joint structure is matched and adapted according to different construction processes.
Drawings
Fig. 1 is a schematic plan view of a bridge girder structure with mortise and tenon structure according to the present utility model.
Fig. 2 is a schematic diagram of the left end of a bridge cross brace structure with mortise and tenon structure according to the utility model.
Fig. 3 is a schematic view of the right end portion of a bridge cross brace structure with mortise and tenon structure.
Fig. 4 is an enlarged schematic view of a portion of the right end pretensioner of fig. 1.
Detailed Description
Embodiments of the technical scheme of the present utility model will be described in detail below with reference to the accompanying drawings. The following examples are only for more clearly illustrating the technical aspects of the present utility model, and thus are merely examples, and are not intended to limit the scope of the present utility model.
The first embodiment is as follows: the present embodiment is described with reference to fig. 1 to 4, and includes a tower 1, a cross brace 2, a left end cross brace device, and a right end cross brace device;
the left end cross brace device comprises a left end cross brace end 211, a left end tenon seat 22, a left end tenon 41 and a left end first climbing cone device 311, wherein the left end of the cross brace 2 is provided with the left end cross brace end 211, one end of the left end first climbing cone device 311 is vertically embedded on the tower column 1, the left end of the left end tenon 41 is connected with the tower column 1 through the left end first climbing cone device 311, the left end of the left end cross brace end 211 is provided with the left end tenon seat 22, and mortise and tenon connection between the left end tenon seat 22 and the left end tenon 41 forms a left end mortise and tenon structure;
the right-end cross brace device comprises a right-end cross brace end 212, a right-end tenon seat 23, a right-end tenon 42, a right-end first climbing cone device 321, a right-end pre-tightening device 6, a right-end cushion block 5 and a right-end second climbing cone device 322, wherein the right-end cushion block 5 is fixedly connected with the tower column 1 through the right-end second climbing cone device 322, the right-end cross brace 2 is provided with a right-end cross brace end 212, the right-end pre-tightening device 6 is arranged between the right-end cross brace end 212 and the right-end cushion block 5, one end of the right-end first climbing cone device 321 is vertically buried on the tower column 1, the right-end of the right-end tenon 42 is connected with the tower column 1 through the right-end first climbing cone device 321, the bottom center of the right-end cross brace end 212 is provided with the right-end tenon seat 23, and a right-end mortise-tenon mortise joint structure is formed between the right-end tenon seat 23 and the right-end tenon 42. The bridge cross brace structure of the embodiment is simplified in that the right end pretensioner 6 is arranged at the right end only, compared with a conventional structure in which pretensioners are arranged at two ends of the bridge cross brace structure, construction operation is more convenient; the left-end mortise and tenon structure and the right-end mortise and tenon structure are formed, so that the structure is simplified, the construction steps are simplified, and the construction efficiency is improved.
The left tenon 41, the right tenon 42 and the right cushion block 5 should be provided with hanging holes in advance on the ground or in factories to facilitate hanging. The mortise-tenon joints of the left tenon seat 22 and the left tenon 41 and the mortise-tenon joints of the right tenon seat 23 and the right tenon 42 should be tightly meshed, and if the intermediate gap is reserved too much, steel wedge blocks conforming to the size should be plugged for structural shoveling.
The second embodiment is as follows: the present embodiment is described with reference to fig. 1 to 4, and further includes a left-end first flange, a right-end first flange 721, and a right-end second flange 722;
the left tenon 41 and the left first climbing cone device 311 are connected through a left first flange plate through bolts;
the right tenon 42 and the right first climbing cone device 321 are connected through a right first flange 721, and the right cushion block 5 and the right second climbing cone device 322 are connected through a right second flange 722 through bolts. The flange plate connection is adopted, so that the construction process is rapid and convenient, and the cost is saved. Other compositions and connection relationships are the same as those of the first embodiment.
And a third specific embodiment: the present embodiment is described with reference to fig. 1 to 4, in which the left-end first flange is pre-welded to the left end face of the left-end tenon 41;
the right first flange 721 is pre-welded to the right end face of the right tenon 42, and the right second flange 722 is pre-welded to the right end face of the right pad 5. The effect of adopting the mode of pre-welding is to guarantee construction safety, improves the efficiency of construction. Other compositions and connection relationships are the same as those of the first or second embodiment.
The specific embodiment IV is as follows: referring to fig. 1 to 4, this embodiment is described, the first left-end climbing device 311, the first right-end climbing device 321, and the second right-end climbing device 322 are all pre-buried in a preset position in the tower column while constructing the tower column, and are connected more firmly in a pre-buried manner, so that the cross brace structure is more stable. Other compositions and connection relationships are the same as those of the first, second or third embodiments.
Fifth embodiment: referring to fig. 1 to 4, the right-end pretensioning device 6 of the present embodiment further includes a right-end third flange 723, a right-end jack 61, and a right-end steel wedge 62, where a left end surface of the right-end jack 61 is bolted to the right-end spreader head 212 through the right-end third flange 723, a right end surface of the right-end jack 61 is used for pushing the spacer block 5, and the steel wedge 62 is used for tightening the right-end spreader head 212 and the right-end spacer block 5. The right jack 61 is used for jacking the right cross brace end 212 and the right cushion block 5 to a set force value, the steel wedge block 62 can tightly jack the right cross brace end 212 and the right cushion block 5, and in order to achieve a better effect, the jack and the steel wedge block are correspondingly arranged at the same height, the jack is synchronously jacked, and the steel wedge block enables the structure to be tightly jack. The right end cushion block is processed by selecting a high-strength steel plate, and only one end is used for tightly shoveling the cross brace structure, so that the structure and the operation are simplified, the construction procedures are reduced, and the construction efficiency is improved. The composition and the connection relation are the same as those of the first, second, third or fourth embodiment.
Specific embodiment six: the third flange 723 of the right end of the present embodiment is pre-welded to the left end surface of the right jack 61, as described with reference to fig. 4. The effect of adopting the mode of pre-welding is to guarantee construction safety, improves the efficiency of construction. Other compositions and connection relationships are the same as those in any one of the first to fifth embodiments.
Seventh embodiment: referring to fig. 1 to 4, the cross brace 2, the left end cross brace end 211, the left end tenon seat 22, the left end tenon 41, the left end first climbing cone device 311, the right end cross brace end 212, the right end tenon seat 23, the right end tenon 42, the right end first climbing cone device 321, the right end pretensioner device 6, the right end cushion block 5 and the right end second climbing cone device 322 of the present embodiment are all made of steel materials, so that the bridge cross brace structure with mortise and tenon structure is safer and more stable. Other compositions and connection relationships are the same as those in any one of the first to sixth embodiments.
Eighth embodiment: in the embodiment described with reference to fig. 1, 3 and 4, the cross section of the right end pad is circular and the cross section area of the cross brace is smaller than that of the right end pad, so that the pad is stressed more uniformly. Other compositions and connection relationships are the same as those in any one of the first to eighth embodiments.
Detailed description nine: referring to fig. 1 to 4, the present embodiment is described, wherein the left end tenon seat 22 and the other end mortise and tenon of the left end tenon 41 are connected to form any one of a left end short mortise-tenon structure, a left end tenon double mortise-tenon structure and a left end tenon limb structure; other compositions and connection relationships are the same as those in any one of the first to seventh embodiments
The right tenon seat 23 and the other end mortise and tenon of the right tenon 42 are connected to form any one of a right short mortise and tenon structure, a right tenon double mortise and tenon structure and a right tenon limb structure. Different mortise and tenon structures are formed to adapt to different construction conditions.
The construction principle of the present utility model will be described with reference to fig. 1 to 4:
firstly, welding a flange plate on each part of a required transverse support structure in a factory or on the ground, preparing a climbing cone, and pre-burying the climbing cone after a tower column is constructed to a set elevation; after the climbing cone is pre-buried to a designated position, the left tenon, the right tenon and the right cushion block are hoisted to the designated position and fixed on the climbing cone; after the left tenon, the right tenon and the right cushion block are installed, hoisting the cross brace, and respectively inserting the left tenon seat and the right tenon seat into the left tenon and the right tenon; after the installation is finished, the pre-tightening device is installed between the right-end cross brace end head and the right-end cushion block, and the jack-up cushion block uses the steel wedge block to tightly copy the right-end cross brace end head and the right-end cushion block after the jack-up cushion block is at a set value.
The present utility model has been described in terms of preferred embodiments, but is not limited to the utility model, and any equivalent embodiments can be made by those skilled in the art without departing from the scope of the utility model, as long as the equivalent embodiments are possible using the above-described structures and technical matters.
Claims (9)
1. A bridge cross brace structure with mortise and tenon structure comprises a tower column (1), a cross brace (2), a left end cross brace device and a right end cross brace device; the method is characterized in that:
the left end cross brace device comprises a left end cross brace end head (211), a left end tenon seat (22), a left end tenon (41) and a left end first climbing cone device (311), the left end of the cross brace (2) is provided with the left end cross brace end head (211), one end of the left end first climbing cone device (311) is vertically buried on the tower column (1), the left end of the left end tenon (41) is connected with the tower column (1) through the left end first climbing cone device (311), the left end of the left end cross brace end head (211) is provided with the left end tenon seat (22), and mortise and tenon connection between the left end tenon seat (22) and the left end tenon (41) forms a left end mortise and tenon structure;
the right-hand member cross bracing device includes right-hand member cross bracing end (212), right-hand member tenon seat (23), right-hand member tenon (42), right-hand member first climbing awl device (321), right-hand member pre-tightening device (6), right-hand member cushion (5) and right-hand member second climbing awl device (322), right-hand member cushion (5) are passed through right-hand member second climbing awl device (322) and column (1) fixed connection, cross bracing (2) right-hand member is provided with right-hand member cross bracing end (212), right-hand member pre-tightening device (6) set up between right-hand member cross bracing end (212) and right-hand member cushion (5), the one end of right-hand member first climbing awl device (321) is buried in column (1) perpendicularly, the right-hand member of right-hand member tenon (42) is passed through right-hand member first climbing awl device (321) and column (1) are connected, right-hand member cross bracing end seat (212) bottom central authorities are provided with right-hand member tenon seat (23), right-hand member tenon seat (23) and right-hand member mortise-end connection structure between mortise-and right-hand member tenon joint (42).
2. The bridge girder structure with mortise and tenon structure according to claim 1, further comprising a left end first flange (711), a right end first flange (721), and a right end second flange (722);
the left tenon (41) and the left first climbing cone device (311) are connected through bolts through a left first flange (711);
the right-end tenon (42) and the right-end first climbing cone device (321) are connected through a right-end first flange plate (721) in a bolt mode, and the right-end cushion block (5) and the right-end second climbing cone device (322) are connected through a right-end second flange plate (722) in a bolt mode.
3. The bridge girder structure with mortise and tenon structure according to claim 2, characterized in that the left end first flange (711) is pre-welded on the left end face of the left end tenon (41);
the right-end first flange plate (721) is pre-welded on the right end face of the right-end tenon (42), and the right-end second flange plate (722) is pre-welded on the right end face of the right-end cushion block (5).
4. The bridge girder construction having a mortise and tenon construction according to claim 1 or 2, wherein: the first left-end climbing device (311), the first right-end climbing device (321) and the second right-end climbing device (322) are all pre-buried in a preset position in the tower column while constructing the tower column.
5. A bridge girder construction with mortise and tenon structure according to any one of claims 1-3, characterized in that the right-hand pretensioning device (6) comprises a right-hand third flange (723), a right-hand jack (61) and a right-hand steel wedge block (62), the left-hand end face of the right-hand jack (61) is bolted to the right-hand girder end (212) through the right-hand third flange (723), the right-hand end face of the right-hand jack (61) is used for pushing the cushion block (5), and the right-hand steel wedge block (62) is used for tightening the right-hand girder end (212) and the right-hand cushion block (5).
6. The bridge girder construction with mortise and tenon construction according to claim 5, characterized in that the right-hand third flange (723) is pre-welded on the left end face of the right-hand jack (61).
7. A bridge girder construction with mortise and tenon structure according to any one of claims 1-3, characterized in that the materials of the girder (2), the left end girder end (211), the left end tenon seat (22), the left end tenon (41), the left end first climbing cone device (311), the right end girder end (212), the right end tenon seat (23), the right end tenon (42), the right end first climbing cone device (321), the right end pre-tightening device (6), the right end cushion block (5) and the right end second climbing cone device (322) are all steel materials.
8. A bridge girder construction with mortise and tenon construction according to any one of claims 1-3, characterized in that the cross section of the right end spacer (5) is circular, and the cross section area of the girder (2) is smaller than the cross section area of the right end spacer (5).
9. The bridge cross bracing structure with the mortise and tenon structure according to claim 1, wherein the left end tenon seat (22) and the other end mortise and tenon of the left end tenon (41) are connected to form any one of a left end short mortise and tenon structure, a left end tenon double mortise and tenon structure and a left end tenon limb structure;
the right tenon seat (23) and the right tenon (42) are connected through mortise and tenon at the other end to form any one of a right short mortise and tenon structure, a right tenon double mortise and tenon structure and a right tenon limb structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321096127.9U CN219886545U (en) | 2023-05-09 | 2023-05-09 | Bridge stull structure with mortise and tenon structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321096127.9U CN219886545U (en) | 2023-05-09 | 2023-05-09 | Bridge stull structure with mortise and tenon structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219886545U true CN219886545U (en) | 2023-10-24 |
Family
ID=88405844
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321096127.9U Active CN219886545U (en) | 2023-05-09 | 2023-05-09 | Bridge stull structure with mortise and tenon structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219886545U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117513155A (en) * | 2023-11-24 | 2024-02-06 | 中铁建大桥工程局集团第四工程有限公司 | A new type of bridge cross-bracing structure with tenon and tenon structure |
-
2023
- 2023-05-09 CN CN202321096127.9U patent/CN219886545U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117513155A (en) * | 2023-11-24 | 2024-02-06 | 中铁建大桥工程局集团第四工程有限公司 | A new type of bridge cross-bracing structure with tenon and tenon structure |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206607614U (en) | A kind of counterforce device for concrete tubular pile loading test | |
| CN112854008A (en) | Prefabricated bridge pier and beam integrated bridge girder erection machine and construction method thereof | |
| CN219886545U (en) | Bridge stull structure with mortise and tenon structure | |
| CN108265618A (en) | A kind of reverse increasing layer construction method in overpass pier base underground | |
| CN106049286B (en) | A kind of prefabricated interim steel pipe support integral hoisting construction method of installation | |
| CN216142067U (en) | Combined steel bearing platform foundation of tower crane | |
| CN214939311U (en) | Integrated bridge erection machine for prefabricated bridge piers and beams | |
| CN113026792B (en) | Local settlement reinforcing structure and reinforcing method for bridge pile foundation construction steel platform | |
| CN107013046B (en) | A kind of antidote of big section steel pipe concrete combination column | |
| CN113832863A (en) | Method for erecting double-width bridge | |
| CN114214919A (en) | Counter-force prepressing construction method and system for oversized zero-block bracket of cable-stayed bridge in water area | |
| CN114687567A (en) | Ultrahigh heavy embedded part hanging construction tool and method | |
| CN107558487A (en) | A kind of goaf transmission line foundation bracing means and reinforcement means | |
| CN115652801B (en) | Pile foundation structure for support for bridge construction | |
| CN108104136B (en) | Foundation pit supporting structure and construction method thereof | |
| CN217732445U (en) | Double-lifting-point lifting support attached to unequal-height concrete columns | |
| CN208121552U (en) | A kind of reverse increasing layer construction underpinning structure in overpass pier base underground | |
| CN216892013U (en) | Support counter-force pre-pressing system suitable for water area cable-stayed bridge super-large zero block | |
| CN217651624U (en) | Temporary support for bridge superstructure construction | |
| CN214935565U (en) | Truss tower crane section supporting device | |
| CN216740010U (en) | Steel frame structure | |
| CN113738125B (en) | Construction method for lifting limited-space large-span steel structure of station house under line | |
| CN104532758A (en) | A Construction Support for No. 0 Block of Prestressed Concrete Cantilevered Continuous Beam | |
| CN220747273U (en) | Lattice column supports quick splicing device | |
| CN210031846U (en) | Lattice column support system capable of implementing prestress compensation |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |