CN114250794B - Steel guide wall capable of being used in turnover mode - Google Patents
Steel guide wall capable of being used in turnover mode Download PDFInfo
- Publication number
- CN114250794B CN114250794B CN202111443804.5A CN202111443804A CN114250794B CN 114250794 B CN114250794 B CN 114250794B CN 202111443804 A CN202111443804 A CN 202111443804A CN 114250794 B CN114250794 B CN 114250794B
- Authority
- CN
- China
- Prior art keywords
- steel
- plate
- plates
- wall
- guide wall
- 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
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/06—Foundation trenches ditches or narrow shafts
- E02D17/08—Bordering or stiffening the sides of ditches trenches or narrow shafts for foundations
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D19/00—Keeping dry foundation sites or other areas in the ground
- E02D19/02—Restraining of open water
- E02D19/04—Restraining of open water by coffer-dams, e.g. made of sheet piles
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2300/00—Materials
- E02D2300/0026—Metals
- E02D2300/0029—Steel; Iron
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Bulkheads Adapted To Foundation Construction (AREA)
Abstract
The invention provides a recyclable steel guide wall, which is characterized by comprising four side plates, wherein the side plates are steel plates, the four side plates are sequentially connected end to end and are enclosed to form a closed frame body, and a positioning hole capable of positioning for secondary groove construction forming is formed in the center of the closed frame body. Enclose through four curb plates and close and form closed framework, closed framework mountable is at the top of two adjacent pile foundations, the inboard locating hole of closed framework provides the positioning action for the construction second phase groove, the groove cutting machine can pass the locating hole and carry out the groove cutting along the profile of locating hole promptly, lead the wall with the concrete and played same positioning action, nevertheless the wall adopts the steel material to make is led to the steel, light in weight, can lead the wall whole dismantlement and shift with the steel after the construction of second phase groove is accomplished, can have enough to meet the need and use repeatedly, construction cost has been saved greatly, and the wall structure as an organic whole is led to the steel, the turnover of being convenient for, and easy dismounting, the efficiency of construction has been promoted.
Description
Technical Field
The invention relates to the technical field of pile foundation construction, in particular to a reusable steel guide wall.
Background
At present, in the construction process of a foundation pit cofferdam, a groove needs to be milled between pile foundations through a groove milling machine to form a second-stage groove section which is lapped with the pile foundations. When a slot milling machine is used for constructing the continuous wall, a guide wall must be arranged in order to protect the slot opening and ensure the accuracy of the position of the slot section. The conventional scheme generally adopts a concrete guide wall, the concrete guide wall is generally L-shaped, the two L-shaped guide walls are oppositely arranged, a guide channel is formed between the two L-shaped guide walls, and the guide channel is used for providing a positioning effect for the forming of the second-stage groove. After the second-stage groove construction of the anchorage is finished, the guide wall needs to be broken to form a construction crown beam, and the economical efficiency and the construction efficiency of the concrete guide wall are poor.
Disclosure of Invention
The invention aims to provide a recyclable steel guide wall which saves construction cost and improves construction efficiency.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a steel guide wall that can have enough to meet need use for install at two adjacent pile foundation tops and for second phase groove shaping provides the location guide effect, including four curb plates, the curb plate is the steel sheet, four the curb plate end to end connection in proper order and enclose and close and form closed framework, closed framework center forms the locating hole that can provide the location for second phase groove construction shaping.
Further setting: the four side plates comprise two transverse plates and two longitudinal plates, the transverse plates are parallel to each other, the longitudinal plates are parallel to each other, the transverse plates and the longitudinal plates are connected in a mutually perpendicular mode, and the four side plates are enclosed to form a square closed frame body.
Further setting: the steel guide wall capable of being used in a turnover mode further comprises a top plate and a bottom plate, the top plate and the bottom plate are of frame-shaped structures, and the side plates are connected between the top plate and the bottom plate and are perpendicular to the top plate and the bottom plate.
Further setting: the top end and the bottom end of each side plate are respectively and correspondingly connected with the inner frame edges of the top plate and the bottom plate, and the side plates, the top plate and the bottom plate are fixedly welded.
Further setting: and the outer side wall of the side plate is provided with a reinforcing piece, and the top and the bottom of the reinforcing piece are respectively and correspondingly connected with the top plate and the bottom plate.
Further setting: the reinforcing piece is a channel steel.
Further setting: the channel-section steel extends along the direction of height of curb plate, the trough bottom wall and the curb plate laminating of channel-section steel, just one side of curb plate is kept away from to the notch orientation of channel-section steel.
Further setting: and a plurality of channel steel are arranged on the outer side wall of the side plate at intervals along the length direction of the side plate.
Further setting: the roof and the bottom plate all include a pair of horizontal frame strip and a pair of longitudinal frame strip, and is a pair of horizontal frame strip is parallel to each other, and is a pair of longitudinal frame strip is parallel to each other, horizontal frame strip and longitudinal frame strip mutually perpendicular, horizontal frame strip is the same with the width of longitudinal frame strip, just horizontal frame strip with longitudinal frame strip integrated into one piece.
Further setting: the width of the transverse frame strip is larger than the height of the channel steel.
Compared with the prior art, the scheme of the invention has the following advantages:
in the reusable steel guide wall, the four side plates are enclosed to form a closed frame body, the closed frame body can be arranged at the tops of two adjacent pile foundations, the positioning hole on the inner side of the closed frame body provides a positioning effect for a second-stage groove in construction, namely, a groove milling machine can pass through the positioning hole and mill a groove along the outline of the positioning hole, the positioning effect is the same as that of the concrete guide wall, but the steel guide wall is made of steel materials and is light in weight, the steel guide wall can be integrally disassembled and transferred after the second-stage groove is constructed, the steel guide wall can be recycled and reused, the construction cost is greatly saved, and the steel guide wall is of an integral structure, so that the turnover is convenient, the disassembly and the assembly are convenient, and the construction efficiency is improved.
Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a schematic view illustrating the installation of a steel guide wall according to an embodiment of the present invention;
FIG. 2 is a top view of a steel guide wall according to an embodiment of the present invention;
FIG. 3 is a front view of a steel guide wall according to an embodiment of the present invention;
FIG. 4 is a front view of a side panel in an embodiment of the present invention;
FIG. 5 is a cross-sectional view of a side panel in an embodiment of the invention;
fig. 6 is a schematic structural view of a steel guide wall according to an embodiment of the present invention.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative only and should not be construed as limiting the invention.
As shown in fig. 1 to 4, the invention provides a reusable steel guide wall 1, which is used for being installed at the tops of two adjacent pile foundations 2 and providing positioning and guiding functions for forming a secondary slot 3, and comprises four side plates 11, wherein the side plates 11 are steel plates, the four side plates 11 are sequentially connected end to end and are enclosed to form a closed frame body, and a positioning hole 12 capable of providing positioning for forming the secondary slot 3 is formed in the center of the closed frame body.
Enclose through four curb plates 11 and close and form closed framework, closed framework mountable is at the top of two adjacent pile foundations 2, the inboard locating hole 12 of closed framework provides the positioning action for construction second phase groove 3, the groove cutting machine can pass locating hole 12 and carry out the groove cutting along the profile of locating hole 12 promptly, lead the wall with the concrete and played same positioning action, but wall 1 adoption steel material is made is led to the steel, light in weight, can lead 1 whole dismantlements of wall and shift with the steel after second phase groove 3 construction is accomplished, can have enough to meet the need and use repeatedly, construction cost is greatly saved, and wall 1 structure as an organic whole is led to the steel, the turnover of being convenient for, easy dismounting, construction efficiency has been promoted.
In this embodiment, the four side plates 11 include two transverse plates 111 and two longitudinal plates 112, the two transverse plates 111 are parallel to each other, the two longitudinal plates 112 are parallel to each other, the transverse plates 111 and the longitudinal plates 112 are connected in a perpendicular manner, and the four side plates 11 enclose to form a square closed frame.
In this embodiment, the length of the horizontal plate 111 is greater than that of the vertical plate 112, and when the steel guide wall 1 is installed between two adjacent pile foundations 2, the horizontal plate 111 extends along the connecting line direction between the two pile foundations 2.
Further, the steel guide wall 1 further comprises a top plate 13 and a bottom plate 14, the top plate 13 and the bottom plate 14 are both in a frame-shaped structure, and the side plates 11 are connected between the top plate 13 and the bottom plate 14 and are perpendicular to the top plate 13 and the bottom plate 14.
In this embodiment, the top plate 13 and the bottom plate 14 each include a pair of horizontal frame strips 131 and a pair of vertical frame strips 132, the pair of horizontal frame strips 131 are parallel to each other, the pair of vertical frame strips 132 are parallel to each other, the horizontal frame strips 131 and the vertical frame strips 132 are perpendicular to each other, the horizontal frame strips 131 and the vertical frame strips 132 have the same width, and the horizontal frame strips 131 and the vertical frame strips 132 are integrally formed. In this embodiment, the width of each of the horizontal frame strips 131 and the vertical frame strips 132 is 400mm. The length of the long edge of the outer frame of the top plate 13 is 4m, the length of the short edge of the outer frame is 2.45m, the length of the long edge of the inner frame is 3.2m, and the length of the short edge of the inner frame is 1.65m. The horizontal frame strips 131 and the vertical frame strips 132 are preferably welded and integrally formed, and are welded and assembled on the construction site.
In this embodiment, the top plate 13, the bottom plate 14 and the side plates 11 are made of steel plates with a thickness of 10mm, and the steel plates have high structural strength and certain deformation resistance, so that the steel guide wall 1 is not easy to deform, and a positioning effect is provided for milling grooves well.
Further, the top end and the bottom end of the side plate 11 are respectively and correspondingly connected with the inner frame edges of the top plate 13 and the bottom plate 14, and the side plate 11, the top plate 13 and the bottom plate 14 are fixed by welding. Specifically, the transverse plate 111 is connected to a long side of the inner frame of the top plate 13, and the longitudinal plate 112 is connected to a short side of the inner frame of the top plate 13.
Through setting up roof 13 and bottom plate 14, increased the area of 1 top of wall and bottom is led to the steel, when 2 tops of pile foundation are installed to wall 1 is led to the steel, bottom plate 14 can increase with the area of contact at 2 tops of pile foundation, and the installation of wall 1 is led to the steel of being convenient for is fixed, and sets up roof 13 and then can be convenient for hoist and mount when 1 week of wall is led to the steel, reduces the construction degree of difficulty.
As shown in fig. 5, further, a reinforcing member is disposed on an outer side wall of the side plate 11, and a top portion and a bottom portion of the reinforcing member are respectively connected to the top plate 13 and the bottom plate 14. Preferably, the reinforcement adopts channel-section steel 15, be equipped with a plurality ofly along its length direction equidistance interval on the lateral wall of curb plate 11 channel-section steel 15, channel-section steel 15 extends along curb plate 11's direction of height, wherein, channel-section steel 15's trough bottom wall and the laminating of curb plate 11, just the notch orientation of channel-section steel 15 keeps away from one side of curb plate 11. Preferably, the channel steel 15 is welded and fixed to the side plate 11, and two ends of the channel steel 15 are welded and fixed to the top plate 13 and the top plate 13.
Through set up channel-section steel 15 on curb plate 11's lateral wall, channel-section steel 15's both ends are connected fixedly with roof 13 and bottom plate 14 respectively, and channel-section steel 15 can play the effect of strengthening between roof 13, bottom plate 14 and the curb plate 11, and channel-section steel 15 provides the support for roof 13 and bottom plate 14, prevents that roof 13 and bottom plate 14 atress from taking place to bend and warp, has promoted the holistic structural strength of steel guide wall 1.
Further, the width of the cross frame strip 131 is greater than the height of the channel steel 15. In this embodiment, the height direction of the channel 15 is the notch facing direction of the channel 15. The width of the cross frame strip 131 is greater than the height of the channel steel 15, so that the top plate 13 completely covers the top surface of the channel steel 15, and the channel steel 15 is prevented from extending outwards to influence the installation of the steel guide wall 1.
In one embodiment, as shown in fig. 6, an angle steel 16 is disposed between the corner end positions of the top plate 13 and the bottom plate 14, and the top and the bottom of the angle steel 16 are welded to the top plate 13 and the bottom plate 14, respectively. Preferably, the angle end position of the end of the angle steel 16 coincides with the angle end position of the top plate 13, and two sides of the angle steel 16 respectively coincide with the long side of the outer frame and the short side of the outer frame of the top plate 13 correspondingly. By arranging the angle steel 16 between the angle end positions of the top plate 13 and the bottom plate 14, the angle steel 16 provides support for the angle end positions of the top plate 13 and the bottom plate 14, the deformation resistance of the angle end positions of the top plate 13 and the bottom plate 14 is improved, the top plate 13 and the bottom plate 14 are prevented from being bent, and the structural strength of the steel guide wall 1 is further improved.
In one embodiment, the top plate 13 and the bottom plate 14 are provided with mounting holes 133 at corner ends, that is, the top plate 13 and the bottom plate 14 are respectively provided with 4 corresponding mounting holes 133, and the mounting holes 133 can be used for passing and positioning the reinforcing steel bars. When wall 1 installs 2 tops of pile foundation in the steel, can penetrate the mounting hole 133 on the bottom plate 14 with the reinforcing bar that stretches out 2 tops of pile foundation, wear out by the mounting hole 133 of roof 13 again, utilize the reinforcing bar to lead wall 1 for the steel to provide the location fixed or lead wall 1 pre-fixing with the steel, the fixed construction degree of difficulty in location of wall 1 is led to the greatly reduced steel.
Preferably, the mounting holes 133 are tangential to two inner side edges of the L-shaped angle iron 16. Through such setting, after the reinforcing bar passed the mounting hole 133 of bottom plate 14, the reinforcing bar can remove along 16 inside walls of angle steel, reaches the mounting hole 133 department of roof 13 and wears out from the mounting hole 133 of roof 13 along the extending direction of angle steel 16, and angle steel 16 provides the positioning action for wearing to establish of reinforcing bar, prevents that the reinforcing bar from taking place the dislocation when penetrating in the steel leads wall 1 and removing, has reduced the installation degree of difficulty of steel and has led wall 1.
The use method of the steel guide wall 1 comprises the following steps:
after the pile foundation 2 is formed, the steel guide wall 1 is installed at the tops of the two adjacent pile foundations 2, the steel guide wall 1 is installed along the radian of the foundation pit cofferdam, so that the positioning hole 12 in the center of the steel guide wall 1 is matched with the position of the second-stage groove 3, and the positioning hole 12 is not interfered by the pile foundation 2. After the steel guide wall 1 and the pile foundation 2 are fixed, groove milling is carried out according to the range limited by the positioning holes 12, a second-stage groove 3 is formed, the steel guide wall 1 and the pile foundation 2 are detached and separated after the second-stage groove 3 is formed, then the steel guide wall is transferred to the next group of pile foundations 2, and the construction steps are circulated until all the second-stage grooves 3 of the cofferdam are constructed.
Compared with the prior art, the scheme of the invention has the following advantages:
in the reusable steel guide wall 1, the four side plates 11 are enclosed to form a closed frame body, the closed frame body can be arranged at the tops of two adjacent pile foundations 2, the positioning holes 12 on the inner side of the closed frame body provide positioning functions for the construction second-stage groove 3, namely, a groove milling machine can pass through the positioning holes 12 and mill grooves along the outline of the positioning holes 12, the same positioning function as that of a concrete guide wall is achieved, but the steel guide wall 1 is made of steel materials and is light in weight, the steel guide wall 1 can be integrally disassembled and transferred after the construction of the second-stage groove 3 is completed, the steel guide wall can be reused, the construction cost is greatly saved, the steel guide wall 1 is of an integral structure, the turnover is convenient, the disassembly and the assembly are convenient, and the construction efficiency is improved.
The foregoing is only a partial embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and embellishments can be made without departing from the principle of the present invention, and these should also be construed as the scope of the present invention.
Claims (8)
1. The utility model provides a steel that can have enough to meet need use leads wall for install at adjacent two pile foundation tops and for second phase groove shaping provides location guide effect, characterized by: the side plates are steel plates, the four side plates are sequentially connected end to end and are enclosed to form a closed frame body, and a positioning hole capable of providing positioning for secondary slot construction forming is formed in the center of the closed frame body;
The top plate and the bottom plate are both of frame structures, the side plates are connected between the top plate and the bottom plate and are perpendicular to the top plate and the bottom plate, the top ends and the bottom ends of the side plates are respectively and correspondingly connected with the inner frame edges of the top plate and the bottom plate, and the side plates, the top plate and the bottom plate are welded and fixed;
the angle steel is arranged between the angle end positions of the top plate and the bottom plate, the angle end position of the end part of the angle steel coincides with the angle end position of the top plate, two edges of the angle steel respectively coincide with the long edge of the outer frame and the short edge of the outer frame of the top plate correspondingly, the top and the bottom of the angle steel are respectively welded and fixed with the top plate and the bottom plate correspondingly, mounting holes for the reinforcing steel bars to pass through for positioning are formed in the angle end positions of the top plate and the bottom plate, and the mounting holes are tangent to the inner side edges of the two L-shaped plates of the angle steel.
2. The reusable steel guide wall as claimed in claim 1, wherein: the four side plates comprise two transverse plates and two longitudinal plates, the transverse plates are parallel to each other, the longitudinal plates are parallel to each other, the transverse plates and the longitudinal plates are connected in a mutually perpendicular mode, and the four side plates are enclosed to form a square closed frame.
3. The reusable steel guide wall as claimed in claim 1, which is characterized in that: and the outer side wall of the side plate is provided with a reinforcing piece, and the top and the bottom of the reinforcing piece are respectively and correspondingly connected with the top plate and the bottom plate.
4. The reusable steel guide wall as claimed in claim 3, which is characterized in that: the reinforcing piece is a channel steel.
5. The reusable steel guide wall as claimed in claim 4, wherein: the channel-section steel extends along the direction of height of curb plate, the trough bottom wall and the curb plate laminating of channel-section steel, just one side of curb plate is kept away from to the notch orientation of channel-section steel.
6. The reusable steel guide wall as claimed in claim 5, which is characterized in that: and a plurality of channel steel are arranged on the outer side wall of the side plate at intervals along the length direction of the side plate.
7. The reusable steel guide wall as claimed in claim 6, which is characterized in that: the roof and the bottom plate all include a pair of horizontal frame strip and a pair of longitudinal frame strip, and is a pair of horizontal frame strip is parallel to each other, and is a pair of longitudinal frame strip is parallel to each other, horizontal frame strip and longitudinal frame strip mutually perpendicular, horizontal frame strip is the same with the width of longitudinal frame strip, just horizontal frame strip with longitudinal frame strip integrated into one piece.
8. The reusable steel guide wall as claimed in claim 7, wherein: the width of the transverse frame strip is larger than the height of the channel steel.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111443804.5A CN114250794B (en) | 2021-11-30 | 2021-11-30 | Steel guide wall capable of being used in turnover mode |
| PCT/CN2022/087165 WO2023097947A1 (en) | 2021-11-30 | 2022-04-15 | Recyclable steel guide wall |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111443804.5A CN114250794B (en) | 2021-11-30 | 2021-11-30 | Steel guide wall capable of being used in turnover mode |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114250794A CN114250794A (en) | 2022-03-29 |
| CN114250794B true CN114250794B (en) | 2023-01-17 |
Family
ID=80793584
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111443804.5A Active CN114250794B (en) | 2021-11-30 | 2021-11-30 | Steel guide wall capable of being used in turnover mode |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN114250794B (en) |
| WO (1) | WO2023097947A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114250794B (en) * | 2021-11-30 | 2023-01-17 | 中交路桥建设有限公司 | Steel guide wall capable of being used in turnover mode |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2789509B2 (en) * | 1992-12-14 | 1998-08-20 | 株式会社クボタ | Steel guide wall |
| KR20040043203A (en) * | 2002-11-16 | 2004-05-24 | 재 면 송 | Steel guide wall |
| CN203080538U (en) * | 2012-12-03 | 2013-07-24 | 中国水电基础局有限公司 | Prefabricated steel plate guide wall |
| CN204098061U (en) * | 2014-09-11 | 2015-01-14 | 武汉地质勘察基础工程有限公司 | Wall led by steel plate |
| CN205776161U (en) * | 2016-06-14 | 2016-12-07 | 东通岩土科技（杭州）有限公司 | Wall device led by a kind of reusable interlocking pile steel |
| CN207685818U (en) * | 2017-12-28 | 2018-08-03 | 中建筑港集团有限公司 | It is a kind of it is repeatable utilize lead wall device |
| CN111206577B (en) * | 2020-01-15 | 2021-12-21 | 保利长大工程有限公司 | Construction method of steel guide wall foundation of sea area deepwater anchorage foundation |
| JP7284720B2 (en) * | 2020-01-28 | 2023-05-31 | ケミカルグラウト株式会社 | steel guide wall |
| CN111809634A (en) * | 2020-08-19 | 2020-10-23 | 中国五冶集团有限公司 | Steel guide wall for hole forming construction of secant pile |
| CN114250794B (en) * | 2021-11-30 | 2023-01-17 | 中交路桥建设有限公司 | Steel guide wall capable of being used in turnover mode |
| CN216664164U (en) * | 2021-11-30 | 2022-06-03 | 中交路桥建设有限公司 | Steel guide wall capable of being used in turnover mode |
-
2021
- 2021-11-30 CN CN202111443804.5A patent/CN114250794B/en active Active
-
2022
- 2022-04-15 WO PCT/CN2022/087165 patent/WO2023097947A1/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| CN114250794A (en) | 2022-03-29 |
| WO2023097947A1 (en) | 2023-06-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN114250794B (en) | Steel guide wall capable of being used in turnover mode | |
| CN216664164U (en) | Steel guide wall capable of being used in turnover mode | |
| CN111608207A (en) | Turnover post-cast strip support-changing force transmission device and construction method thereof | |
| CN209412834U (en) | A kind of assembled crown beam structure of foundation pit enclosure wall | |
| CN204703070U (en) | A kind of bridge precast beam diaphragm Side Template structure | |
| CN216839000U (en) | Detachable bridge anticollision wall construction platform device | |
| CN215977291U (en) | Basement post-cast strip is with dismantling foundation ditch support dowel bar device | |
| CN212865486U (en) | A cover and dig road surface and cover worker's board structure for road construction | |
| CN210634516U (en) | Grid assembly before concatenation formula | |
| CN210562911U (en) | Steel bar truss floor board that security performance is high | |
| CN210393314U (en) | Pit guardrail with three-side protection | |
| CN209652935U (en) | A kind of recyclable, recycling assembled fashioned iron crown beam | |
| KR200462050Y1 (en) | Form panel | |
| AU2013354116B2 (en) | Frame of a drainage channel | |
| CN217840026U (en) | General section steel supporting hanging plate | |
| CN216304412U (en) | Shallow formula bridge telescoping device that buries of grider | |
| CN214460506U (en) | Cast-in-place concrete arch slope protection steel formwork | |
| CN218091210U (en) | Streamline noise-reducing and water-draining telescopic device | |
| CN210474155U (en) | Lower supporting plate for grid plate frame of hammer crusher | |
| CN208310412U (en) | A kind of traffic construction safety protective fence | |
| CN220888906U (en) | Grid plate of drainage canal | |
| CN218912299U (en) | Cantilever unloading platform with safety net device | |
| CN108316316B (en) | Support system suitable for island type support and application thereof | |
| CN217101669U (en) | Belt breast board convenient to dismantle | |
| CN219255918U (en) | Building element overlap joint mould |
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 |