CN201649068U - U-shaped concrete sheet pile - Google Patents
U-shaped concrete sheet pile Download PDFInfo
- Publication number
- CN201649068U CN201649068U CN 201020167865 CN201020167865U CN201649068U CN 201649068 U CN201649068 U CN 201649068U CN 201020167865 CN201020167865 CN 201020167865 CN 201020167865 U CN201020167865 U CN 201020167865U CN 201649068 U CN201649068 U CN 201649068U
- Authority
- CN
- China
- Prior art keywords
- connecting portion
- section
- concrete sheet
- type concrete
- piling
- 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.)
- Ceased
Links
Images
Landscapes
- Bulkheads Adapted To Foundation Construction (AREA)
Abstract
The utility model relates to an enclosure-structure concrete sheet pile in a building field, which is made of concrete and has a generally U-shaped cross section, wherein the U-shaped cross section is provided with a bent section positioned at the U-shaped bottom as well as a first connecting section and a second connecting section which are positioned at two U-shaped sides, and the first connecting section and the second connecting section are respectively provided with a first connecting part and a second connecting part with matched shapes. The shape of the cross section of the U-shaped concrete sheet pile is similar to an English letter U, and the U-shaped concrete sheet pile has high bending resistance and shearing resistance on structural stress and also has a certain load-bearing function. In addition, the connecting parts at both sides correspond to a buckling plate, a gap can be reserved between the connecting parts after joints are spliced, and then the middle gap can be filled with some slurry materials or other connecting materials, thereby the water-stopping effect and the connecting strength are ensured.
Description
Technical field
The utility model relates to a kind of retaining soil, bank protection, the space enclosing structure in the building field, relates in particular to a kind of U type concrete sheet-piling.
Background technology
Usually, because the highrise building spacing distance is little, the excavation of foundation ditch can't accomplish to take to put the way of slope excavation sometimes, for the safety of the stable and surrounding buildings of foundation ditch, need carry out retaining support to foundation ditch.In addition, in the construction of dredging waterway, high-grade highway construction, bridge, Rail Highway grade separation and culvert, also need to build the retaining support structure.
At present the method for pattern foundation pit supporting structure mainly contains methods such as bored pile, diaphragm wall, and these method cost height, man-hour are long, are mainly used in the big Extra-Deep Foundation Pit of soil body extruding force; Then financial cost is higher but for the shallow foundation pit foundation plinth of two-layer basement.Also some adopts steel sheet pile as the pattern foundation pit supporting structure material on present domestic this class foundation ditch basis, though can use continuously, overall cost still is higher.
Diaphragm wall, this structure are suitable for full water soft stratum, as full water sand bed, saturated soft mud etc.Diaphragm wall can intercept underground water effectively in this type of soil layer, but its cost is very high, is applicable to municipal key project, and is not suitable for general engineerings such as highrise building.
Bored pile is to adopt the campshed piling wall to keep off soil and waterproof, realize going along with sb. to guard him of foundation ditch, it is not suitable for the deep layer base pit engineering, the quality control instability, and soil erosion is easily caused in the slit between stake, particularly in high water level bury matter area, needs to take suitable working measure to solve the dash problem according to engineering specifications, and mainly by stake apical cap beam with enclose purlin and be linked to be integral body, thereby relative globality is relatively poor between stake and the stake.
SMW (Soil Mixing Wall) worker's method stake is the stiffness material that inserts H shaped steel or other kind in cement mixing method, comes the bending resistance of refinforced cement soil agitation pile, shear resistance.Though this kind method is faster than construction of diaphragm wall speed, take up an area of and lack, the relative fender post of its construction costs is higher, and steel using amount is big, and construction is complicated.
Steel sheet pile is a kind of underground exterior-protected structure stake of using always, though its bearing capacity height, the stake footpath is limited little, be not suitable for dark basic unit engineering, and its engineering quantity is big, and keeping off native load performance does not have diaphragm wall superior, and cost U-shaped concrete sheet-piling of the present utility model relatively is also than higher.
Based on this, the utility model provides a kind of U-shaped concrete foundation ditch support material, adopt the prestress high intensity concrete material to make, it can be used for the bank protection retaining soil space enclosing structures such as (can be used as bearing pier simultaneously for small bridge) of the supporting of urban architecture excavation of foundation pit, channel revetment, urban Underground pipeline, roadbed bank protection retaining soil, bridge culvert.
The utility model content
The technical problems to be solved in the utility model provides a kind of U-shaped concrete sheet-piling, to reduce or to avoid front existing in prior technology problem.
Specifically, the utility model provides a kind of U-shaped concrete sheet-piling, and it has the good mechanical performance and sealing keeps off native bank protection effect, has good low-cost advantage concurrently.
For solving the problems of the technologies described above, the utility model provides a kind of U type concrete sheet-piling, the cross section of U-shaped in general made and had by this sheet pile by concrete, wherein, described U-shaped cross-section has the bending segment that is positioned at described U-shaped bottom, and first linkage section and second linkage section that are positioned at described U-shaped both sides, described first linkage section and described second linkage section have first connecting portion and second connecting portion that shape leans and cooperates respectively, described first connecting portion and the described second connecting portion shape lean and leave a space between the fitting face that cooperates, but watertight rubber bar or other encapsulants are starched or filled to concrete perfusion in the described space.
Preferably, described other encapsulants are the pvc pipe of hollow, but the filler of concrete perfusion slurry and so in the described pvc pipe, and the filler of the concrete grout class of perfusion can be filled described space by the aperture that distributes on the described pvc pipe wall.
Preferably, described first connecting portion middle part has a groove, and these groove both sides are the outstanding shoulders of symmetry, and wherein, the described shoulder of described first connecting portion is flat, and in the same plane; Corresponding to described first connecting portion, described second connecting portion middle part has a projection corresponding with above-mentioned groove, these projection both sides are shoulders that symmetry is sunk, wherein, the described shoulder of described second connecting portion is flat, and it is in the same plane, wherein, corresponding mutually on the described shoulder position of the described shoulder of described first connecting portion and described second connecting portion.
Preferably, the described projection at described second connecting portion middle part with respect to the height of its shoulder less than the described groove at described first connecting portion middle part the degree of depth with respect to its shoulder.
Preferably, described first linkage section is outwardly open with the opening in the relative described U-shaped of described second linkage section cross section, forms the bottom width of the A/F in described U-shaped cross section greater than described U-shaped cross section.
Preferably, described first connecting portion and described second connecting portion are positioned at the open end in described U-shaped cross section respectively.
Preferably, described first connecting portion and described second connecting portion are located along the same line, and extend to both sides along the opening in described U-shaped cross section respectively.
Preferably, described first connecting portion and described second connecting portion are the straightway that is formed at the open end in described U-shaped cross section.
Preferably, vertically be distributed with many steel master muscle along U type concrete sheet-piling perpendicular to described U-shaped cross section.
Preferably, described many main muscle pass through stirrup each other
Colligation, described stirrup can be netted colligations on the main muscle or direct take-up strap on main muscle.
The U type concrete sheet-piling that the utility model proposed, its cross section likeness in form English alphabet U, it has high bending resistance, high shear behavior on the structure stress, also has certain weight-bearing function.In addition, the connecting portion on both sides is equivalent to a buckling plate, and the joint splicing can leave the space in the middle of the back, and some paste materials or other attachment material can be inserted in the space in the middle of this, guarantee stagnant water effect and bonding strength.
Description of drawings
The following drawings only is intended to the utility model done and schematically illustrates and explain, does not limit scope of the present utility model.Wherein,
Fig. 1 shows is the schematic perspective view of the space enclosing structures such as diaphragm wall that constituted of a kind of U type concrete sheet-piling according to a specific embodiment of the present utility model;
Fig. 2 shows is cross sectional representation according to a kind of U type concrete sheet-piling of a specific embodiment of the present utility model;
What Fig. 3 showed is first connecting portion of U type concrete sheet-piling shown in Figure 2 and the enlarged diagram of second connecting portion;
Fig. 4 shows is the shape of first connecting portion shown in Figure 3 and second connecting portion schematic diagram when matching;
Fig. 5 shows is cross sectional representation according to a kind of U type concrete sheet-piling of another specific embodiment of the present utility model;
What Fig. 6 showed is first connecting portion of U type concrete sheet-piling shown in Figure 5 and the enlarged diagram of second connecting portion;
Fig. 7 shows is the shape of first connecting portion shown in Figure 5 and second connecting portion schematic diagram when matching;
Fig. 8-10 shows respectively is cross sectional representation according to the various U type concrete sheet-pilings of other specific embodiments of the present utility model;
What Figure 11 showed is the schematic cross-section of filled PVC pipe between two U type concrete sheet-pilings;
Figure 12 shows is the schematic perspective view of the pvc pipe that adopts in the U type concrete sheet-piling according to a specific embodiment of the present utility model;
Figure 13-15 shows respectively is arrangement of reinforcement section according to the various U type concrete sheet-pilings of other specific embodiment of the present utility model.
The specific embodiment
Below in conjunction with the accompanying drawing among the utility model embodiment, the technical scheme among the utility model embodiment is clearly and completely described, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the utility model protection.
Referring to Fig. 1, what wherein show is the schematic perspective view of the space enclosing structures such as diaphragm wall that constituted of a kind of U type concrete sheet-piling A according to a specific embodiment of the present utility model, this sheet pile is made by concrete and is had the cross section that is substantially U-shaped (cross-sectional view can referring to Fig. 2-13), certainly, shown in Fig. 2-13, this shape of cross section also can be described as Chinese character " several " shape, described symbol only for convenience of description, concrete structure is described in detail with reference to Fig. 2-13.
In a specific embodiment of the present utility model, the material that constitutes U type concrete sheet-piling A can be high performance concrete, RPC or fibrous concrete.What should emphasize is, what the utility model adopted is the sheet pile that concrete is made, and can not be equal to steel pile, because concrete has sizable difference with steel plate on mechanical strength and post-production, thus its structure that can adopt, shape just the utility model be different from one of difference that has steel pile now.For instance, because armor plate strength, pliability all are better than concrete greatly, therefore, the steel pile that adopts steel plate to make can be connected by the mode of mutual buckle, but adopting the shortcoming of steel plate maximum is that cost is too high, for reducing cost, steel plate can only be done more and more thinlyyer, but so therefore the side direction flexural strength of steel pile can reduce greatly; And if the cross sectional shape that adopts bending improves the flexural strength of side direction, increased the consumption of steel equally, processing cost also can uprise relatively.
At the above-mentioned defective of steel pile, the utility model provides a kind of concrete sheet-piling of ad hoc structure form, and its cross section can be referring to Fig. 2-13.
As shown in Figure 2, Fig. 2 shows is cross sectional representation according to a kind of U type concrete sheet-piling A of a specific embodiment of the present utility model, wherein, described U-shaped cross-section has the bending segment 1 that is positioned at described U-shaped bottom, and first linkage section 2 and second linkage section 3 that are positioned at described U-shaped both sides, described first linkage section 2 and described second linkage section 3 have first connecting portion 21 and second connecting portion 31 that shape leans and cooperates respectively.Further, first linkage section 2 is outwardly open with the opening in second linkage section, 3 relative described U-shaped cross sections, form the bottom width of the A/F in described U-shaped cross section greater than described U-shaped cross section, the structure of this further qualification is to consider the convenience of concrete moulding, for example, after adopting mould molding, be convenient to the demoulding.
What Fig. 3 showed is first connecting portion 21 of U type concrete sheet-piling shown in Figure 2 and the enlarged diagram of second connecting portion 31, can know from figure and find out that first connecting portion 21 is substantially a groove shape, and second connecting portion 31 is substantially a convex.Certainly, it will be appreciated by those skilled in the art that first connecting portion 21 and second connecting portion 31 also can exchange mutually, that is, first connecting portion 21 is substantially convex, and second connecting portion 31 is substantially the groove shape.
Specifically, first connecting portion 21 and second connecting portion 31 lay respectively at the end of the opening 4 (referring to Fig. 2) in U-shaped cross section, first connecting portion 21 and second connecting portion 31 are the straightway that is formed at opening 4 ends in U-shaped cross section, this structure can be so that two location of adjacent sheet pile when connecting, because first connecting portion 21 and second connecting portion 31 all are straightways, therefore be convenient to control first connecting portion 21 of sheet pile both sides and the position of second connecting portion 31.Preferably, first connecting portion 21 and second connecting portion 31 are located along the same line, and extend to both sides along the opening 4 in described U-shaped cross section respectively.
First connecting portion, 21 middle parts have a groove 211, groove 211 both sides be the outstanding shoulder 212,212 of symmetry ', wherein, shoulder 212,212 ' be flat, and in the same plane.Groove 211 bottoms can be plane (shown in Fig. 3,4), also can be cambered surface (shown in Fig. 6,7), and still, shoulder 212,212 ' must guarantee it is flat will further specify this below.Corresponding to first connecting portion 21, second connecting portion, 31 middle parts have a projection 311 corresponding with above-mentioned groove 211, protruding 311 both sides be the shoulder 312,312 that sinks of symmetry ', wherein, shoulder 312,312 ' be flat, and in the same plane, wherein, shoulder 312,312 ' with above-mentioned shoulder 212,212 ' position on mutually corresponding.Projection 311 tops can be plane (shown in Fig. 3,4), also can be cambered surface (shown in Fig. 6,7), and still, shoulder 312,312 ' must guarantee it is flat will further specify this below.
As noted earlier, because sheet pile of the present utility model employing is concrete, therefore, its structure can not adopt the form identical with steel pile.Consider that concrete corner intensity is little, the corner is damaged easily, if adopt the buckle mode to connect, in the process of piling, even if having slightly between two piles collide with or frictional force slightly big city the connecting portion of mutual buckle is damaged, be difficult to reach the effect of sealing.Therefore, in the utility model, a kind of specific connected mode against cooperation has been proposed, especially referring to Fig. 4 and Fig. 7, when two piles are interconnected to constitute pattern foundation pit supporting structure or space enclosing structure, wherein first connecting portion 21 of second connecting portion 31 of a pile (for example diagram left side) and adjacent another pile (for example illustrating the right side) is mutually against cooperating, but not is clasped.
When first connecting portion 21 and second connecting portion 31 mutually when cooperating, the projection 311 at second connecting portion, 31 middle parts is resisted against in the groove 211 at first connecting portion, 21 middle parts, makes the shoulder 212,212 of first connecting portion, 21 both sides ' be resisted against the respectively shoulder 312 of second connecting portion, 31 both sides simultaneously, 312 ' on, at this moment, because shoulder 212,212 ', 312,312 ' all is flat, and in the same plane, therefore can be by reach the effect of sealing against the mode that cooperates.Certainly, consider that concrete structure is difficult to reach very high precision, only depend on above-mentioned plane against still not enough, therefore, the utility model has further proposed other seal form.
Equally referring to Fig. 4,7, shoulder 212 in order to ensure first connecting portion, 21 both sides, 212 ' can be resisted against the shoulder 312 of second connecting portion, 31 both sides, 312 ' on, the shoulder 312 of projection 311 relative second connecting portions 31 at second connecting portion, 31 middle parts, 312 ' height h must be equal to or less than the shoulder 212,212 of groove 211 relative first connecting portions 21 at first connecting portion, 21 middle parts ' depth H.Same because the problem of the accuracy of manufacture, the height h that guarantees the projection 311 at second connecting portion, 31 middle parts is relatively easy things less than the depth H of the groove 211 at first connecting portion, 21 middle parts, therefore, when when first connecting portion 21 and second connecting portion 31 mutually when cooperating, first connecting portion 21 and second connecting portion, 31 shapes lean and will form a space 5 between the fitting face that cooperates, but watertight rubber bar or other encapsulants are starched or filled to concrete perfusion in the described space 5.
In according to a preferred embodiment of the present utility model, described other encapsulants can be the pvc pipe (shown in Figure 11,12) of hollow, but the filler of concrete perfusion slurry and so in the described pvc pipe 6, comprise cement paste, mortar and other high fluidity waterproof and sealing materials etc., and the concrete grout of perfusion can be filled described space 5 by the aperture 61 that distributes on the described pvc pipe wall.This structure can prevent in the piling process, owing to causing space 5, reasons such as the sheet pile edge collides with have part to stop up, if do not adopt pvc pipe, form the cavity in the process that probably causes concrete perfusion to be starched, can't reach the effect of sealing, for example, when adopting concrete sheet-piling of the present utility model as space enclosing structure, these cavities probably cause infiltration.
In addition, in each figure of the present utility model, the corner angle part can be a circular shape so that eliminate stress concentrated.Shape can be dome shape (as Fig. 8, shown in 9,10) in the middle of it.
Figure 13-15 shows respectively is arrangement of reinforcement section according to the various U type concrete sheet-pilings of other specific embodiment of the present utility model, as shown in the figure, vertically is distributed with many steel master muscle 7 along the U type concrete sheet-piling perpendicular to described U-shaped cross section.Described many main muscle 7 are each other by stirrup 8 colligations, and described stirrup can be netted colligation on the main muscle 7 or direct take-up strap on main muscle 7.
Though it will be appreciated by those skilled in the art that the utility model is that mode according to a plurality of embodiment is described, and is not that each embodiment only comprises an independently technical scheme.Narration like this only is for the sake of clarity in the manual; those skilled in the art should make manual as a wholely to be understood, and regard technical scheme related among each embodiment as the mode that can be combined into different embodiment mutually understand protection domain of the present utility model.
The above only is the schematic specific embodiment of the utility model, is not in order to limit scope of the present utility model.Any those skilled in the art, equivalent variations, the modification of being done under the prerequisite that does not break away from design of the present utility model and principle and combining all should belong to the scope of the utility model protection.
Claims (10)
1. U type concrete sheet-piling, this sheet pile is made by concrete and is had a cross section that takes the shape of the letter U, it is characterized in that: described U-shaped cross-section has the bending segment that is positioned at described U-shaped bottom, and first linkage section and second linkage section that are positioned at described U-shaped both sides, described first linkage section and described second linkage section have first connecting portion and second connecting portion that shape leans and cooperates respectively, described first connecting portion and the described second connecting portion shape lean and leave a space between the fitting face that cooperates, concrete perfusion slurry or filling watertight rubber bar or other encapsulants in the described space.
2. U type concrete sheet-piling according to claim 1 is characterized in that: described other encapsulants are the pvc pipe of hollow, can pour into filler in the described pvc pipe, and the filler of perfusion can be filled described space by the aperture that distributes on the described pvc pipe wall.
3. U type concrete sheet-piling according to claim 2 is characterized in that: described first connecting portion middle part has a groove, and these groove both sides are the outstanding shoulders of symmetry, and wherein, the described shoulder of described first connecting portion is flat, and in the same plane; Corresponding to described first connecting portion, described second connecting portion middle part has a projection corresponding with above-mentioned groove, these projection both sides are shoulders that symmetry is sunk, wherein, the described shoulder of described second connecting portion is flat, and it is in the same plane, wherein, corresponding mutually on the described shoulder position of the described shoulder of described first connecting portion and described second connecting portion.
4. U type concrete sheet-piling according to claim 3 is characterized in that: the described projection at described second connecting portion middle part with respect to the height of its shoulder less than the described groove at described first connecting portion middle part the degree of depth with respect to its shoulder.
5. U type concrete sheet-piling according to claim 4 is characterized in that: described first linkage section is outwardly open with the opening in the relative described U-shaped of described second linkage section cross section, forms the bottom width of the A/F in described U-shaped cross section greater than described U-shaped cross section.
6. U type concrete sheet-piling according to claim 5 is characterized in that: described first connecting portion and described second connecting portion are positioned at the open end in described U-shaped cross section respectively.
7. U type concrete sheet-piling according to claim 6 is characterized in that: described first connecting portion and described second connecting portion are located along the same line, and extend to both sides along the opening in described U-shaped cross section respectively.
8. U type concrete sheet-piling according to claim 7 is characterized in that: described first connecting portion and described second connecting portion are the straightway that is formed at the open end in described U-shaped cross section.
9. U type concrete sheet-piling according to claim 8 is characterized in that: vertically be distributed with many steel master muscle along the U type concrete sheet-piling perpendicular to described U-shaped cross section.
10. U type concrete sheet-piling according to claim 9 is characterized in that: described many main muscle are each other by the stirrup colligation, and described stirrup is netted colligation on the main muscle or direct take-up strap on main muscle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020167865 CN201649068U (en) | 2010-04-23 | 2010-04-23 | U-shaped concrete sheet pile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020167865 CN201649068U (en) | 2010-04-23 | 2010-04-23 | U-shaped concrete sheet pile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201649068U true CN201649068U (en) | 2010-11-24 |
Family
ID=43114295
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201020167865 Ceased CN201649068U (en) | 2010-04-23 | 2010-04-23 | U-shaped concrete sheet pile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201649068U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101812840A (en) * | 2010-04-23 | 2010-08-25 | 上海中技桩业股份有限公司 | U-shaped concrete slab pile |
| CN102650127A (en) * | 2012-03-15 | 2012-08-29 | 上海中技桩业股份有限公司 | Precast U-shaped plate pile with mixed structure of steel and concrete |
| CN103726488A (en) * | 2012-10-11 | 2014-04-16 | 上海中技桩业股份有限公司 | Pi-shaped concrete pile |
| CN105672249A (en) * | 2016-03-28 | 2016-06-15 | 福建省闽工新型建材有限公司 | Concrete channel plate pile and manufacturing method thereof |
| CN105859202A (en) * | 2016-04-01 | 2016-08-17 | 江苏东浦管桩有限公司 | Corrosion-resistant prestressed concrete sheet pile for maritime works and marine revetment |
| CN106759402A (en) * | 2017-02-10 | 2017-05-31 | 陈启品 | A kind of prefabricated section of multidimensional Ecological Retaining Wall system and making wall system |
| CN106759259A (en) * | 2017-03-17 | 2017-05-31 | 顾东东 | The U-shaped prestressed concrete station stake of high intensity |
-
2010
- 2010-04-23 CN CN 201020167865 patent/CN201649068U/en not_active Ceased
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101812840A (en) * | 2010-04-23 | 2010-08-25 | 上海中技桩业股份有限公司 | U-shaped concrete slab pile |
| CN102650127A (en) * | 2012-03-15 | 2012-08-29 | 上海中技桩业股份有限公司 | Precast U-shaped plate pile with mixed structure of steel and concrete |
| CN102650127B (en) * | 2012-03-15 | 2015-05-20 | 上海中技桩业股份有限公司 | Precast U-shaped plate pile with mixed structure of steel and concrete |
| CN103726488A (en) * | 2012-10-11 | 2014-04-16 | 上海中技桩业股份有限公司 | Pi-shaped concrete pile |
| CN105672249A (en) * | 2016-03-28 | 2016-06-15 | 福建省闽工新型建材有限公司 | Concrete channel plate pile and manufacturing method thereof |
| CN105859202A (en) * | 2016-04-01 | 2016-08-17 | 江苏东浦管桩有限公司 | Corrosion-resistant prestressed concrete sheet pile for maritime works and marine revetment |
| CN105859202B (en) * | 2016-04-01 | 2018-05-11 | 江苏东浦管桩有限公司 | Extra large work and the corrosion-resistant prestressed concrete plate stake of sea dike revetment |
| CN106759402A (en) * | 2017-02-10 | 2017-05-31 | 陈启品 | A kind of prefabricated section of multidimensional Ecological Retaining Wall system and making wall system |
| CN106759259A (en) * | 2017-03-17 | 2017-05-31 | 顾东东 | The U-shaped prestressed concrete station stake of high intensity |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201649068U (en) | U-shaped concrete sheet pile | |
| CN101812840A (en) | U-shaped concrete slab pile | |
| CN103726488A (en) | Pi-shaped concrete pile | |
| US8974152B2 (en) | Polymer grouting method for constructing vertical supporting system | |
| CN102900089B (en) | With the combination piling bar cofferdam of hydro-expansive rubber waterproof fore shaft | |
| CN101597904B (en) | Waterproof sheet pile cofferdam and construction method thereof | |
| WO2005028772A1 (en) | Block for building wall and the wall built with said blocks | |
| CN104088295A (en) | Embedded connection structure of enclosure wall and medium plate for cover and excavation top-down method as well as construction method of embedded connection structure | |
| CN205604225U (en) | Stake of concrete trough shaped plate | |
| CN209194544U (en) | Combined type foundation pit supporting construction | |
| CN206928282U (en) | Prestressed concrete porous hollow ecology stake | |
| CN215210979U (en) | Underground prefabricated part and underground continuous structure | |
| CN105887804A (en) | High-strength prestressed concrete channel plate pile | |
| CN211200406U (en) | Pipeline slot supporting device | |
| KR20180096552A (en) | Multi-wall construction method for construction of ports, rivers, dams, and concrete buildings that can prevent the inflow of soil and water, and building structure using the multi-wall structure | |
| CN207348049U (en) | A kind of pretensioning prestressed concrete C-shaped plate stake | |
| CN205776154U (en) | A kind of high-strength prestressed concrete flute profile sheet pile | |
| CN111188368B (en) | Anti-seepage layer pre-stressed fixing sleeve | |
| CN105040707A (en) | Combined densely-arrayed pile deep foundation pit supporting and enclosure structure used as basement external wall | |
| CN203939046U (en) | Lid digs the embedded connecting structure of enclosure wall and middle plate in contrary work | |
| CN101775858A (en) | Wall body structure formed by building block | |
| CN101603299B (en) | Broken line type dam joint structure and construction method thereof | |
| CN209873826U (en) | Round-end-shaped anti-slide pile | |
| CN209620049U (en) | A kind of pin-connected panel anchor bolt frame girder construction | |
| CN210766887U (en) | Face combination underground groove type structure forever |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: SHANGHAI DAYU PREFABRICATION CO., LTD. Effective date: 20120215 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20120215 Address after: 200434, 4, 2 building, 437 Guang Yue Road, Shanghai, Hongkou District Co-patentee after: Shanghai Dayu prefab Co. Ltd. Patentee after: Shanghai Zhongji Pile Industry Co., Ltd. Address before: 200434, 4, 2 building, 437 Guang Yue Road, Shanghai, Hongkou District Patentee before: Shanghai Zhongji Pile Industry Co., Ltd. |
|
| CU03 | Correction of utility model patent gazette |
Correction item: Patentee Correct: Shanghai Zhongji Pile Industry Co., Ltd. False: Shanghai Zhongji Pile Industry Co., Ltd.|Shanghai Dayu prefab Co. Ltd. Number: 13 Volume: 28 |
|
| ERR | Gazette correction |
Free format text: CORRECT: PATENTEE; FROM: SHANGHAI ZHONGJI PILE INDUSTRY CO., LTD.; SHANGHAI DAYU PREFABRICATION CO., LTD. TO: SHANGHAI ZHONGJI PILE INDUSTRY CO., LTD. |
|
| IW01 | Full invalidation of patent right | ||
| IW01 | Full invalidation of patent right |
Decision date of declaring invalidation: 20130427 Decision number of declaring invalidation: 22164 Granted publication date: 20101124 |