CN109469264B - Plugging plate and plugging device of grouting sleeve communicating bin - Google Patents
Plugging plate and plugging device of grouting sleeve communicating bin Download PDFInfo
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- CN109469264B CN109469264B CN201811302673.7A CN201811302673A CN109469264B CN 109469264 B CN109469264 B CN 109469264B CN 201811302673 A CN201811302673 A CN 201811302673A CN 109469264 B CN109469264 B CN 109469264B
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- plate
- vertical
- plugging
- shaped supporting
- grouting
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
- E04C5/16—Auxiliary parts for reinforcements, e.g. connectors, spacers, stirrups
- E04C5/162—Connectors or means for connecting parts for reinforcements
- E04C5/163—Connectors or means for connecting parts for reinforcements the reinforcements running in one single direction
- E04C5/165—Coaxial connection by means of sleeves
Abstract
The invention discloses a plugging plate of a grouting sleeve communicating bin, which comprises a baffle plate and a vertical fastening component, wherein the baffle plate comprises a vertical plate and a transverse plate which are vertically arranged, and a fixing hole is formed in the vertical plate; the vertical fastening assembly comprises an L-shaped supporting plate and an adjusting rod, the lower portion of the L-shaped supporting plate is arranged opposite to the inner side face of the vertical plate, the end portion of the lower portion of the L-shaped supporting plate is inserted into the fixing hole, the first end of the adjusting rod is hinged to the upper portion of the L-shaped supporting plate, and the second end of the adjusting rod is pressed on the inner side face of the transverse plate. The invention also provides a plugging device for the grouting sleeve communicated bin, which is formed by combining more than 2 plugging plates, wherein the end parts of the adjacent plugging plates are tightly pressed and fixed by the clamping piece. The plugging device is arranged at the joint of the upper prefabricated component and the lower prefabricated component to form a closed empty bin, so that slurry leakage is avoided in the grouting process of the grouting sleeve; the hidden danger of grouting quality is reduced; the installation is quick and convenient, the mortar does not need to be set during construction, the construction efficiency is high, and the mortar can be recycled for multiple times; fine adjustment ranges are reserved in the horizontal direction and the vertical direction, and the practicability is high.
Description
Technical Field
The invention belongs to the technical field of building construction, and particularly relates to a plugging plate and a plugging device for a grouting sleeve communication bin.
Background
In the construction of the fabricated building, the vertical prefabricated components can be connected with each other through the embedded sleeve grouting to realize the steel bar connection of the upper prefabricated component and the lower prefabricated component. When in production, a grouting sleeve is pre-embedded at the bottom side of an upper prefabricated part, such as a shear wall and a prefabricated column, the top end of the grouting sleeve is anchored with a stressed steel bar of the upper prefabricated part, and a steel bar connecting port is arranged at the bottom end of the grouting sleeve; the top side of the lower prefabricated part extends out of the stressed steel bar. During construction, the stressed steel bars of the lower prefabricated part extend into the steel bar connecting port at the bottom end of the grouting sleeve in the upper prefabricated part. The grouting sleeve is provided with a grouting hole, after the upper prefabricated part and the lower prefabricated part are assembled, high-strength mortar is injected to seal the grouting sleeve, the connecting steel bars of the lower prefabricated part and the communicating bin at the joint between the upper prefabricated part and the lower prefabricated part, so that the connection between the stressed steel bars of the upper prefabricated part and the lower prefabricated part is realized.
In the prior art, before hoisting the upper prefabricated part, slurry is coated on the top side edge of the lower prefabricated part, and then the upper prefabricated part is hoisted and positioned. Form airtight cavity through sitting thick liquid between the prefabricated component about like this to guarantee the leakproofness in the intercommunication storehouse of piece department between the prefabricated component from top to bottom, high strength mortar seepage when preventing grout sleeve slip casting causes grout sleeve interior slip casting to be not closely knit, thereby influences the joint strength between the component. The edge of the bin communicated with the upper prefabricated part and the lower prefabricated part by adopting the sitting slurry sealing has the following problems: 1. after the upper prefabricated part is hoisted and positioned, the waiting time is more than 12 hours to ensure that the slurry of the slurry is solidified, so the construction time is longer; 2. because the upper prefabricated part cannot be completely and stably put down at a constant speed, the bottom side of the upper prefabricated part often scatters the sitting slurry on the top side of the lower prefabricated part, and slurry is required to be supplemented in the later period; 3. the uniformity of the grouting can not be ensured, so that the weak part is easy to crack and leak after being subjected to pressure when the sleeve is grouted and grouted; 4. because the pressure during grouting of the grouting sleeve is very high and the grouting pressure is slightly high, bin explosion can occur at the grouting position, so that grouting needs to be stopped, and the grouting sleeve is static after grouting is supplemented at the grouting position again to be solidified, thereby delaying the construction progress. Therefore, a device for quickly and reliably plugging the abutted seams of the adjacent vertical prefabricated parts needs to be researched and developed.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the utility model provides a shutoff board and plugging device in grout sleeve intercommunication storehouse guarantees the leakproofness in grout sleeve intercommunication storehouse, prevents that grout from leaking from adjacent prefabricated component piece seam department from top to bottom during grout sleeve slip casting.
In order to achieve the purpose, the invention adopts the technical scheme that:
a blocking plate of a grouting sleeve communicating bin is arranged on the periphery of a splicing seam of an upper prefabricated part and a lower prefabricated part and comprises a baffle plate and a vertical fastening assembly, wherein the baffle plate comprises a vertical plate and a transverse plate which are vertically arranged, and a fixing hole is formed in the vertical plate; the vertical fastening assembly comprises an L-shaped supporting plate and an adjusting rod, the lower portion of the L-shaped supporting plate is arranged opposite to the inner side face of the vertical plate, the end portion of the lower portion of the L-shaped supporting plate is inserted into the fixing hole, the first end of the adjusting rod is hinged to the upper portion of the L-shaped supporting plate, and the second end of the adjusting rod is pressed on the inner side face of the transverse plate.
On the basis of the above embodiment, more preferably, the adjusting rod comprises an outer rod and an inner rod, the outer rod is provided with an internal thread, the inner rod is provided with an external thread, the top end of the outer rod is hinged to the upper portion of the L-shaped supporting plate, and the bottom end of the inner rod is pressed on the inner side surface of the transverse plate.
On the basis of the above embodiment, it is more preferable that the L-shaped support plate includes a vertical plate and a support plate perpendicular to each other, a lower portion of the vertical plate is disposed opposite to an inner side surface of the vertical plate, and an end portion of the support plate is inserted into the fixing hole.
In addition, it is preferable that the inner rod is provided with a disc at its distal end.
In addition to the above embodiments, it is preferable that a handle is provided above the disc of the inner lever.
On the basis of the above embodiment, it is more preferable that the baffle further comprises elastic belts, and the elastic belts are arranged on the surfaces of the vertical plates and the transverse plates facing the prefabricated parts.
On the basis of the above embodiment, it is more preferable that the position where the elastic band is engaged with the fixing hole on the riser is provided with a convex structure.
The invention also provides a plugging device for the grouting sleeve communicated bin, which is formed by combining more than 2 plugging plates, wherein the end parts of the adjacent plugging plates are tightly pressed and fixed by clamping pieces.
On the basis of the above embodiment, it is more preferable that a fixing plate is further disposed at one end of each baffle, a clamping hole is formed in the fixing plate, a through hole is formed in the vertical plate, the baffles and the vertical plates between the adjacent baffles are pressed against each other, and the clamping piece penetrates through the clamping hole and the corresponding through hole to connect the fixing plate and the vertical plate.
On the basis of the above embodiment, it is more preferable that the hinge angle between the L-shaped support plate and the adjusting rod is acute.
The technical scheme of the invention has the beneficial technical effects that:
1. the edges of the joints of the upper prefabricated member and the lower prefabricated member do not need to be subjected to mortar setting, so that the construction time is shortened;
2. the plugging device of the scheme generates larger positive pressure with the upper member and the lower member to form a closed empty bin, so that slurry leakage is avoided in the grouting process of the grouting sleeve; the blocking work efficiency and the blocking quality of the communicating cavity are improved, and the potential hazards of grouting quality are reduced;
3. the installation is quick and convenient, the construction efficiency is high, the mortar can be recycled for multiple times, the mortar cost is saved, and the recycling frequency can be more economic than the mortar plugging when reaching a certain number;
4. applicable grout sleeve in the vertical prefabricated component's of all cross-sectional dimensions storehouse of communicating, the fine setting scope has all been reserved to horizontal direction and vertical, satisfies various engineering situations, and the practicality is strong, and the part structure is convenient for collect the transportation after the dismantlement.
Drawings
FIG. 1 is a schematic view showing the connection of a plurality of baffle plates in example 1;
FIG. 2 is a schematic perspective view of the baffle plate and the vertical fastening assembly in accordance with embodiment 2;
FIG. 3 is a side view of FIG. 2;
FIG. 4 is a schematic sectional view showing the structure of the plugging device in the mounted state according to example 3;
FIG. 5 is a schematic perspective view of the plugging plate according to example 4;
FIG. 6 is a schematic sectional view showing the structure of the plugging device in the mounted state according to example 4;
reference numerals: 1-baffle plate, 11-vertical plate, 111-fixing hole, 112-through hole, 12-transverse plate, 13-fixing plate, 131-clamping hole, 14-rubber belt, 141-protrusion, 2-vertical fastening component, 21-L-shaped supporting plate, 211-fixing part, 22-adjusting rod, 221 outer rod, 222-inner rod, 223-disc, 224-rotating handle, 23-hinging part, 3-prefabricated column, 31-column steel bar, 32-grouting sleeve, 4-foundation, 41-stressed steel bar and 5-communicating bin.
Detailed Description
The present invention will now be described in detail with reference to the drawings, which are given by way of illustration and explanation only and should not be construed to limit the scope of the present invention in any way. Furthermore, features from embodiments in this document and from different embodiments may be combined accordingly by a person skilled in the art from the description in this document.
Example 1
Referring to fig. 1, the blocking plate of the present embodiment includes a blocking plate 1, the blocking plate 1 includes two vertical plates 11, a horizontal plate 12 and a fixing plate 13, the vertical plates 11 are disposed with fixing holes 111 and through holes 112, and the fixing plate 13 is disposed with locking holes 131. The baffle plates 1 are respectively arranged on the periphery of the prefabricated part, wherein the fixing plates 13 and the vertical plates 11 of the adjacent baffle plates 1 are pressed against each other, and the snap pieces (not shown in the figure) pass through the through holes 112 on the vertical plates 11 and the snap holes 131 on the baffle plates to fix the adjacent baffle plates 1 together. Since the prefabricated member in this embodiment is a prefabricated column, 4 baffle plates 1 enclose a rectangle.
Continuing with the schematic diagram of FIG. 1, in actual production, the prefabricated columns of different specifications generally have a difference of 50mm or 100mm in cross-sectional dimension. In order to enhance the application range of the plugging device, through holes 112 are opened on the vertical plates 11 of the baffle plate 1 at intervals of 50mm or 100mm so as to adapt to the enclosing and plugging of columns with different sizes. The prefabricated column may have a certain dimension error in production, and the error is generally +/-5 mm. Therefore, the fixing plate 13 of the baffle plate 1 is provided with the long circular clamping hole 131, so that when the adjacent baffle plates 1 are pressed, the clamping hole 131 of the fixing plate 13 and the circle centers of the vertical plates 11 through the holes 112 can be adjusted to enclose prefabricated columns with dimensional errors by the baffle plates 1.
Example 2
Referring to fig. 2 and 3, the plugging plate in this embodiment comprises a baffle plate 1 and a vertical fastening assembly 2, and the vertical fastening assembly 2 comprises an L-shaped supporting plate 21 and an adjusting rod 22, which are hinged by a hinge 23. The end of the L-shaped support plate 21 is provided with a fixing part 211, and the fixing part 211 and the L-shaped support plate 21 are perpendicular to each other in the embodiment. The adjusting rod 22 comprises an outer rod 221 and an inner rod 222, wherein the outer rod 221 is provided with an internal thread, the inner rod 222 is provided with an external thread, and the outer rod 221 is sleeved on the inner rod 222 and connected through a thread structure. When the outer rod 221 or the inner rod 222 is rotated, the entire length of the adjustment rod 22 is adjusted. The fixing part 211 of the L-shaped supporting plate 21 extends into the fixing hole 111 of the vertical plate 11, the tail end of the inner rod 222 is pressed on the transverse plate 12, and the L-shaped supporting plate 21 is tightly pushed and the transverse plate 12 is tightly pressed by the inner rod 222 through the length adjustment of the adjusting rod 22.
In this embodiment, in order to increase the friction force between the inner rod 222 and the surface of the transverse plate 12, the disc 223 is arranged at the end of the inner rod 222, and the surface area of the disc 223 is larger than that of the end of the inner rod 222, so that the contact area between the vertical fastening assembly 2 and the baffle plate 1 is increased, and the baffle plate 1 is compressed in the vertical direction by using the friction force between the two.
In the present embodiment, in order to facilitate the rotation between the outer lever 221 and the inner lever 222, a rotation knob 224 is provided at the bottom side of the inner lever 222, which facilitates the adjustment operation. In other embodiments, other structures such as a bump and a nut can be provided.
Example 3
The embodiment of the invention provides a plugging device of a grouting sleeve communication cabin, which is formed by combining 4 plugging plates shown in the embodiment 2, wherein each plugging plate comprises a plugging plate 1 and a vertical fastening assembly 2. In other embodiments, the number of the plugging plates can be selected according to specific situations, such as circular prefabricated columns, the plugging plate 1 is configured to match the periphery of the circular prefabricated column, and only 2 matching plugging plates can be arranged on the bottom side of one circular prefabricated column.
Referring to fig. 4, the use method and the working principle of the occlusion device of the embodiment are described:
the upper component is a prefabricated column 3, column steel bars 31 are anchored in the upper component, and grouting sleeves 32 are arranged at the tail ends of the column steel bars 31. The lower component is a foundation 4, and a stressed reinforcing steel bar 41 extends out of the top of the foundation 4. The inner space at the joint of the prefabricated column 3 and the foundation 4 forms a grouting sleeve communication bin. In the baffle 1 of this embodiment, a side of the riser 11 is hugged closely to the bottom outside of prefabricated post 3, and a side of the diaphragm 12 is hugged closely to the horizontal surface of basis 4. Since the prefabricated column 3 is rectangular in cross section, each side of the bottom side of the prefabricated column 3 is provided with a baffle plate 1, and the fixing plate 13 and the vertical plate 11 of the adjacent baffle plate 1 are pressed against each other and fixed together by a fastener. The 4 baffles 1 are sealed for the space of the joint of the upper member and the lower member, and a communicating bin 5 of the grouting sleeve is formed. The leakproofness of prefabricated post and basic piece department intercommunication storehouse has been guaranteed like this, takes place the thick liquids from piece department and runs off when preventing to grout sleeve slip casting, guarantees grout muffjoint's reliability.
The use steps of the plugging device in the construction are introduced:
s1, planning the installation position of the precast column 3 according to the position of the foundation 4 and the stressed steel bar 41 thereof, and arranging a cushion block (not shown in the figure) at the preset position of the foundation 4;
s2, hoisting the precast column 3, placing the precast column on the foundation 4 according to a preset position, aligning the stressed steel bar 41 on the foundation 4 to the connector of the grouting sleeve 32 at the bottom side of the precast column 3, and placing the precast column 3 on the cushion block on the foundation 4;
s3: coating a release agent on the inner side of the plugging piece 1, enclosing a plurality of baffle plates 1 at the abutted seam between the prefabricated column 3 and the foundation 4, fixing the baffle plates 15 and the vertical plates 11 of the adjacent plugging pieces 1 together through clamping pieces 13, enabling the side surfaces of the vertical plates 11 of the plugging pieces 1 to be tightly attached to the surface of the prefabricated column 3, and tightly pressing the transverse plates 12 on the surface of the foundation 4 in the horizontal direction to ensure that the abutted seams 5 are enclosed into a sealing space by the plugging pieces 1;
s4: grout is injected through a grouting opening (not shown in the figure) arranged on the grouting sleeve 32, the connection of the stressed steel bars between the prefabricated column 3 and the foundation 4 is completed after the grout is solidified, the clamping piece 13 is removed, and the plugging piece 1 is taken down.
To realize effective plugging of the abutted seam space between the prefabricated column 3 and the foundation 4, it is required to ensure that the side surface and the bottom surface of the baffle plate 1 are tightly attached to the side surface of the prefabricated column 3 and the surface of the foundation 4, and the baffle plate 1 is required to be provided with horizontal constraint force and vertical constraint force. For the restraint force in the horizontal direction, the vertical plate 11 of the baffle plate 1 is provided with a plurality of through holes 112, the fixing plate 13 is provided with an oblong clamping hole 131 to realize size fine adjustment, and after the adjacent baffle plates 1 are clamped by the clamping piece, reliable restraint can be realized in the horizontal direction. Vertical restraint force is provided by arranging the vertical fastening component 2 on the baffle plate 1, after the baffle plate 1 is in place and fixed, the vertical clamping of the baffle plate 2 is realized by adjusting the distance between the outer rod 221 and the inner rod 222 of the vertical fastening component 2 through threads, the vertical fastening of the vertical fastening component 2 is adjusted, the vertical restraint force is provided for the baffle plate 1, the sealing of a grouting sleeve communicating bin at the joint between an upper prefabricated component and a lower prefabricated component is realized, and the grouting sleeve is prevented from leaking during grouting.
Example 4
Referring to fig. 5, the structure of the plugging plate in the present embodiment is substantially the same as that of the plugging plate in embodiment 3, and the specific differences are as follows: the retaining plate 1 is further provided with an elastic belt, which in this embodiment is a rubber belt 14, and the rubber belt 14 is arranged on the side of the surfaces of the vertical plates 11 and the transverse plates 12 facing the precast columns 3 and the foundation 4. The rubber belt is arranged on the surface of the baffle plate, which is in contact with the prefabricated part, so that a certain buffering elastic space can exist between the baffle plate and the prefabricated part, and the corner of the prefabricated part is prevented from being collided and damaged during installation; and because the rubber belt has certain compression space, the fine adjustment range of the size of the baffle is also enhanced. In other embodiments, foam rubber may be used as the elastic band.
Wherein, the rubber belt 14 is provided with a bulge 141 at the matching position with the fixing hole 111 of the vertical plate 11. After the fixing part 211 at the tail end of the L-shaped supporting plate 21 is inserted into the fixing hole 111, the fixing part is wrapped by the bulge 141 of the rubber belt 14, so that the rubber belt 14 provides friction force for the fixing part 211, and the connecting strength between the L-shaped supporting plate 21 and the vertical plate 11 is enhanced; meanwhile, the fixing part 211 cannot be wrapped by the slurry in the communicating bin 5, and the disassembly is convenient. Before the plugging device is installed, the release agent is coated on the rubber belt 14 at the abutted seam, and the plugging device can be easily removed at the later stage, so that the plugging device is prevented from being anchored by the slurry entering the communicating bin 5.
Referring to fig. 6, the present embodiment also provides an occluding device formed by combining a plurality of occluding plates as shown in fig. 5. The procedure for installing the plugging device in this embodiment is substantially the same as in embodiment 3, except that in step S3, the rubber tape 14 is coated with a release agent.
Although the invention has been described above with reference to various embodiments, it should be understood that many changes and modifications may be made without departing from the scope of the invention. It is therefore intended that the foregoing detailed description be regarded as illustrative rather than limiting, and that it be understood that it is the following claims, including all equivalents, that are intended to define the spirit and scope of this invention. The above examples are to be construed as merely illustrative and not limitative of the remainder of the disclosure. After reading the description of the invention, the skilled person can make various changes or modifications to the invention, and these equivalent changes and modifications also fall into the scope of the invention defined by the claims.
Claims (10)
1. A blocking plate of a grouting sleeve communicating bin is arranged on the periphery of a splicing seam of an upper prefabricated part and a lower prefabricated part and is characterized by comprising a baffle plate and a vertical fastening assembly, wherein the baffle plate comprises a vertical plate and a transverse plate which are vertically arranged, and a fixing hole is formed in the vertical plate; the vertical fastening assembly comprises an L-shaped supporting plate and an adjusting rod, the lower portion of the L-shaped supporting plate is arranged opposite to the inner side face of the vertical plate, the end portion of the lower portion of the L-shaped supporting plate is inserted into the fixing hole, the first end of the adjusting rod is hinged to the upper portion of the L-shaped supporting plate, and the second end of the adjusting rod is pressed on the inner side face of the transverse plate.
2. The blocking plate of the grouting sleeve communicating bin as claimed in claim 1, wherein the adjusting rod comprises an outer rod and an inner rod, the outer rod is provided with internal threads, the inner rod is provided with external threads, the top end of the outer rod is hinged with the upper part of the L-shaped supporting plate, and the bottom end of the inner rod is pressed on the inner side surface of the transverse plate.
3. The grout sleeve of claim 2, wherein the L-shaped support plate comprises a vertical plate and a support plate perpendicular to each other, a lower portion of the vertical plate is disposed opposite to an inner side surface of the vertical plate, and an end of the support plate is inserted into the fixing hole.
4. The grout sleeve access silo closure plate of claim 2, wherein the end of the inner rod is provided as a disk.
5. The grout sleeve access silo closure plate of claim 4, wherein a handle is provided above the disc of the inner rod.
6. The grout sleeve of claim 1, wherein the blocking plate further comprises an elastic band disposed on the surfaces of the vertical and horizontal plates facing the prefabricated parts.
7. The grout sleeve of claim 6, wherein the resilient strip is provided with a protrusion at a position to engage with the fixing hole of the vertical plate.
8. A plugging device of grout sleeve communicating bin, which is formed by combining 2 plugging plates according to any one of claims 1 to 7, wherein the end parts of the adjacent plugging plates are compressed and fixed by a fastener.
9. The plugging device for the grouting sleeve communication bin as claimed in claim 8, wherein a fixing plate is further arranged at one end of each baffle plate, a clamping hole is formed in each fixing plate, a through hole is formed in each vertical plate, the fixing plate and the vertical plate between the adjacent baffle plates are pressed against each other, and the clamping piece penetrates through the clamping hole and the corresponding through hole to connect the fixing plate and the vertical plate.
10. The grouting sleeve connected silo plugging device of claim 9, wherein the hinge angle of the L-shaped supporting plate and the adjusting rod is an acute angle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811302673.7A CN109469264B (en) | 2018-11-02 | 2018-11-02 | Plugging plate and plugging device of grouting sleeve communicating bin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811302673.7A CN109469264B (en) | 2018-11-02 | 2018-11-02 | Plugging plate and plugging device of grouting sleeve communicating bin |
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| CN109469264A CN109469264A (en) | 2019-03-15 |
| CN109469264B true CN109469264B (en) | 2021-02-05 |
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| CN201811302673.7A Active CN109469264B (en) | 2018-11-02 | 2018-11-02 | Plugging plate and plugging device of grouting sleeve communicating bin |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110397273A (en) * | 2019-07-12 | 2019-11-01 | 广西建工集团第五建筑工程有限责任公司 | A kind of vertical PC component high-pressure slip-casting piece plugging device and its plugging construction method |
| CN110469116A (en) * | 2019-09-05 | 2019-11-19 | 中铁一局集团厦门建设工程有限公司 | A kind of vertical grouting method and plugging device |
| CN111172873A (en) * | 2019-11-22 | 2020-05-19 | 绍兴市城投建筑工业化制造有限公司 | Slurry sitting mold for assisting connection of prefabricated bent cap and prefabricated stand column |
| CN112593640B (en) * | 2020-11-26 | 2022-02-25 | 中核华辰工程管理有限公司 | Assembled building cabin sealing structure and construction method |
| CN115182581A (en) * | 2022-07-05 | 2022-10-14 | 中铁建设集团北京工程有限公司 | Aluminum alloy template end opening plugging device |
| CN115419177B (en) * | 2022-10-13 | 2024-03-19 | 吴承辉 | Precast concrete shear wall building structure and construction method thereof |
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| JP2000017836A (en) * | 1998-07-06 | 2000-01-18 | Tokyo Tekko Co Ltd | Form device for forming joint for precast member leg |
| CN102392511A (en) * | 2011-10-24 | 2012-03-28 | 上海市第二市政工程有限公司 | Sleeve pressure type grouting construction method for steel reinforcement connection |
| CN206495362U (en) * | 2017-02-16 | 2017-09-15 | 中建科技河南有限公司 | A kind of assembly concrete shear wall structure sleeve grouting cabin sealing device |
| CN206625403U (en) * | 2017-03-20 | 2017-11-10 | 三能集成房屋股份有限公司 | A kind of sleeve grouting envelope storehouse system |
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2018
- 2018-11-02 CN CN201811302673.7A patent/CN109469264B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000017836A (en) * | 1998-07-06 | 2000-01-18 | Tokyo Tekko Co Ltd | Form device for forming joint for precast member leg |
| CN102392511A (en) * | 2011-10-24 | 2012-03-28 | 上海市第二市政工程有限公司 | Sleeve pressure type grouting construction method for steel reinforcement connection |
| CN206495362U (en) * | 2017-02-16 | 2017-09-15 | 中建科技河南有限公司 | A kind of assembly concrete shear wall structure sleeve grouting cabin sealing device |
| CN206625403U (en) * | 2017-03-20 | 2017-11-10 | 三能集成房屋股份有限公司 | A kind of sleeve grouting envelope storehouse system |
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