CN212336351U - Novel prefabricated shear wall easy to control assembling quality - Google Patents
Novel prefabricated shear wall easy to control assembling quality Download PDFInfo
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- CN212336351U CN212336351U CN202020743782.9U CN202020743782U CN212336351U CN 212336351 U CN212336351 U CN 212336351U CN 202020743782 U CN202020743782 U CN 202020743782U CN 212336351 U CN212336351 U CN 212336351U
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Abstract
The utility model discloses a novel prefabricated shear wall easy to control assembly quality, which comprises a shear wall body, wherein a sleeve, distribution ribs and vertical connecting steel bars are arranged in the shear wall body, and a grouting pipe and a grout outlet pipe which extend to the surface of the shear wall are respectively arranged on a grouting nozzle and a grout outlet nozzle of the sleeve; the slurry outlet pipe comprises an inner pipe and an outer pipe, the inner pipe is arranged in the outer pipe, a positioning connecting piece is arranged between the inner pipe and the outer pipe, a plastic sealing layer is arranged at one end of the inner pipe, which is positioned at a slurry outlet nozzle of the sleeve, the other end of the outer pipe, which is positioned on the surface of the shear wall, is plugged through a rubber plug, a through hole is formed in the middle of the rubber plug, and the other end of the inner pipe, which is positioned on a component pouring surface; v-shaped grooves are formed in two side edges of the shear wall body in the length direction and are arranged in the height direction of the shear wall body; a high-level exhaust pipe is further arranged in the shear wall body. The utility model provides a shear force wall seam quality uncontrollable, detect the problem that repair work is difficult to develop.
Description
Technical Field
The utility model relates to an assembly type structure technical field, concretely relates to novel prefabricated shear force wall of easy control assembly quality.
Background
The fabricated building is a building form in which some or all of the components and parts produced by a prefabricated component factory are transported to a construction site and assembled together by a reliable connection manner. Compared with the traditional cast-in-place structure, the fabricated building has the advantages of high industrialization level, quick installation and construction, labor cost reduction, energy conservation, environmental protection and the like, and becomes the mainstream direction for the development of domestic and foreign building industries.
The prefabricated concrete structure ensures the integral stress of the structure through the connection between the members and the post-cast concrete, and achieves the design requirement of equal cast-in-place, so the member connection is a key link of the prefabricated concrete structure and directly influences the quality and the safety of the prefabricated concrete structure. Currently, it is the integral concrete shear wall structure of assembly that more adopts in the prefabricated house, and there are two kinds of seam connections in this structure: the first type is horizontal seam connection for connecting an upper prefabricated shear wall and a lower prefabricated shear wall; the other is vertical seam connection for connecting two adjacent walls on the same floor.
At present, the connection mode of the horizontal joint mainly comprises sleeve grouting connection, slurry anchor lap joint connection and steel bar lap welding connection. The sleeve grouting connection is the most widely applied connection mode, and is characterized in that a sleeve with a concave-convex groove cavity inside and high-strength micro-expansion grouting material are injected to connect stressed steel bars. However, due to the short development time of the fabricated building in China, the lack of training of constructors and the like, the situation that the sleeve is not filled fully occurs sometimes. Moreover, the grouting structure of the sleeve grouting connection is special, the medium environment is complex, after grouting construction is completed, grouting materials are located inside the steel sleeve, the steel sleeve is wrapped by outer concrete, grouting fullness in the sleeve is difficult to detect, and grouting repairing work is difficult to carry out once the situation that grouting is not full is found.
For the connection of the vertical joint, according to the current national standard and the construction requirement of an assembled concrete structure, the connection section between the edge member of the prefabricated shear wall and the prefabricated shear wall basically requires cast-in-place construction. At present, the connection between the prefabricated shear wall and the cast-in-place shear wall is generally straight-seam connection, and in partially completed engineering, the phenomena of leakage, water seepage and the like exist at joints of a prefabricated shear wall structure in straight-seam connection due to the fact that the prefabricated shear wall structure is not compact enough to be combined with cast-in-place concrete, the building quality is reduced, and meanwhile, the use of users is affected.
Therefore, in order to solve the problems that the joint connection quality of the prefabricated shear wall structure is difficult to control and the detection and repair work is difficult to develop, it is necessary to develop a novel prefabricated shear wall which is easy to control the assembly quality.
Disclosure of Invention
The to-be-solved technical problem of the utility model is to provide a novel precast shear wall of easy control assembly quality, simple structure, construction quality is high, and is convenient for detect.
In order to solve the technical problem, the utility model provides a novel prefabricated shear wall which is easy to control the assembly quality, comprising a shear wall body, the shear wall body is internally provided with a sleeve, distribution ribs and vertical connecting reinforcing steel bars, the sleeve is arranged at the bottom of the shear wall body and is matched and connected with the lower end parts of the vertical connecting reinforcing steel bars, the grouting nozzle and the grout outlet nozzle of the sleeve are respectively provided with a grouting pipe and a grout outlet pipe which extend to the surface of the shear wall, a high-position exhaust pipe is also arranged in the shear wall body and comprises a vertical section, a first inclined pipe and a second inclined pipe, the lower port of the vertical section is positioned at the bottom of the shear wall body and is communicated with the outside, the upper port of the vertical section is communicated with the lower ports of the first inclined pipe and the second inclined pipe, the upper ports of the first inclined pipe and the second inclined pipe are inclined upwards and are arranged on a grouting operation surface of the shear wall body;
v-shaped grooves are formed in two side edges of the shear wall body in the length direction and are arranged in the height direction of the shear wall body;
when the sleeve was arranged between two parties, play thick liquid pipe is prefabricated pipe, when the sleeve was arranged for the plum blossom shape, the play thick liquid pipe that the sleeve of distal end corresponds was prefabricated pipe, and the play thick liquid pipe that the sleeve of near-end corresponds is general pipe, prefabricated pipe includes inner tube and outer tube, the inner tube sets up in the outer tube, the inner tube equals and sets up with one heart with outer tube length, be provided with the location connecting piece between inner tube and the outer tube, the one end that the inner tube is located telescopic play thick liquid mouth is provided with the plastic envelope layer, the other end that the inner tube is located the component and pours the face passes through the shutoff of shutoff piece, the rubber buffer shutoff is passed through to the one end that the outer tube is located the shear force wall surface.
Further, the upper port of the first inclined pipe is located at 1/4 in the length direction of the shear wall body, the upper port of the second inclined pipe is located at 3/4 in the length direction of the shear wall body, and the upper ports of the first inclined pipe and the second inclined pipe are at the same height and are both higher than the top position of the sleeve.
Further, the V-shaped groove is arranged in a full length mode.
Further, the positioning connection piece is a plurality of connecting columns, connecting column one end is connected with the outer wall of the inner tube, the connecting column other end is provided with a conical plug, an annular clamping groove is formed between the conical plug and the connecting column, a clamping hole is formed in the outer tube corresponding to the conical plug, the conical plug penetrates through the clamping hole and is connected with the outer tube through the annular clamping groove, and the inner tube, the connecting columns, the annular clamping groove and the conical plug are integrally formed.
Furthermore, the size from the connecting column adjacent to the plastic packaging layer to the adjacent end part of the outer pipe is larger than the length of the slurry outlet nozzle; the size of the connecting column adjacent to the plugging piece to the adjacent end part of the outer tube is larger than the plugging length of the rubber plug.
Further, when the sleeve is arranged in the middle, the number of the positioning connecting pieces in the prefabricated pipe corresponding to the sleeve is at least 2; when the sleeves are arranged in a quincunx mode, the number of the positioning connecting pieces in the prefabricated pipe corresponding to the sleeves at the far end is at least 3.
Furthermore, the outer ring diameter of the plugging piece is equal to the outer diameter of the inner pipe, and the outer diameter of the inner ring of the plugging piece is equal to the inner diameter of the inner pipe.
Furthermore, the outer pipe, the inner pipe and the high-position exhaust pipe are all made of PVC.
The utility model has the advantages that:
1. the utility model discloses change the vertical connection of precast shear wall and cast-in-place marginal component or cast-in-place shear force wall into novel link by the linear type, solve the straight seam formula seam and can take place the problem of leaking, infiltration, improved vertical seam connection quality.
2. The utility model adopts the novel grout outlet pipe formed by assembling the inner pipe and the outer pipe to replace the original structure, when the sleeve grouting fullness is detected by adopting an endoscope method, a detection pore channel is provided for the extension of the endoscopic probe, and the detection work is greatly facilitated;
3. the utility model discloses the inner tube is located the central point of play thick liquid pipe and puts, and the endoscope is looked sideways at when adopting and three-dimensional stereo measurement camera lens to examine time measuring provides the guarantee for the definite of its vertical position, has improved the precision that detects.
4. The utility model discloses go out the thick liquid pipe installation and accomplish the back, need not the position of adjustment inner tube, the inner tube inserts the section tip and can flushes with sleeve grout outlet, under the not plump operating mode of grout, provides sufficient observation space for peeping the probe in.
5. The utility model discloses buried high-order blast pipe underground, lower mouth of pipe is located the bottom terminal surface of precast shear force wall, and the last port of first slope pipe and second slope pipe is higher than the sleeve, when grout from precast shear force wall surface grout mouth, and grout material can flow in sleeve and high-order blast pipe, even the sleeve is because the top has the air column can't be irritated fully, and high-order blast pipe exceeds in telescopic thick liquids also can the backward flow advance the sleeve under the effect of self gravity, realizes oneself and mends thick liquid. And the condition that the liquid level descends can be observed through the first inclined pipe and the second inclined pipe, and manual slurry supplement is carried out in time under the condition that the grouting pipe and the slurry outlet pipe are blocked.
6. First slope pipe and second slope pipe can improve the grout material volume when mending thick liquid in the height of suitable operation, improve and mend thick liquid ability.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a schematic cross-sectional structure of the present invention;
fig. 3 is a schematic view of the end of the present invention on one side of the surface of a shear wall;
FIG. 4 is a schematic view of the present invention at one side end of the slurry outlet;
fig. 5 is a schematic view of the cross-sectional structure of the grout outlet pipe of the present invention.
Detailed Description
The present invention is further described with reference to the following drawings and specific embodiments so that those skilled in the art can better understand the present invention and can implement the present invention, but the embodiments are not to be construed as limiting the present invention.
Referring to fig. 1 to 5, the novel precast shear wall easy to control assembly quality of the present invention is an embodiment of a novel precast shear wall, which is prepared in advance in a factory, and includes a shear wall body 1, a sleeve 2, a distribution rib and a vertical connecting steel bar 3 are arranged in the shear wall body, the sleeve is arranged at the bottom of the shear wall body and is connected with the lower end of the vertical connecting steel bar in a matching manner, the sleeve is also used for connecting the vertical connecting steel bar of the precast shear wall adjacent to the lower layer of the precast shear wall, so as to realize connection and fixation, and a grouting pipe 4 and a grout outlet pipe extending to the surface of the shear wall are respectively arranged on a grouting nozzle and a grout outlet nozzle of the sleeve; the grouting pipe is used for grouting material, and the grouting material is filled in the sleeve and then overflows from the grout outlet pipe to form a grouting material flow channel;
when the novel prefabricated shear wall is prepared, two V-shaped grooves 12 need to be designed on two side edges of the shear wall body in the length direction, the V-shaped grooves are arranged along the height direction of the shear wall body and are arranged in a full-length mode, and galling treatment can be carried out on the groove walls of the V-shaped grooves; after the grouting, when being connected with the edge component, the design of V type recess can make cast-in-place edge component's adjacent surface be the protruding embedding V type recess of V type after pouring in, change the straight seam connection form that has now into the type of bending connection form to effectively improve the sealing performance of connecting, reach seamless fixed connection effect, solved the straight seam formula and connected the problem that can take place the percolating water, improve preparation quality.
And when novel precast shear wall preparation, still need go out chooseing for use of thick liquid pipe according to telescopic arrangement condition, when the sleeve was arranged between two parties, go out thick liquid pipe and adopt prefabricated pipe 5, when the sleeve was arranged for the quincunx, the play thick liquid pipe that the sleeve of distal end corresponds adopted prefabricated pipe, and the play thick liquid pipe that the sleeve of near-end corresponds adopts general pipe, and general pipe is current play thick liquid tubular construction promptly.
Specifically, referring to fig. 3 to 5, the prefabricated pipe comprises an inner pipe 6 and an outer pipe 7, the inner pipe is arranged in the outer pipe, the inner pipe and the outer pipe are equal in length, a positioning connecting piece 8 is arranged between the inner pipe and the outer pipe, the positioning connecting piece connects the inner pipe and the outer pipe into an integral structure, the inner pipe is located at the center of the outer pipe after assembly, a plastic sealing layer 9 is arranged at one end of a slurry outlet nozzle of the inner pipe, the plastic sealing layer can be obtained by heat sealing of a plastic film, the other end of the outer pipe, which is located on the surface of a shear wall, is sealed by a rubber plug 10, a through hole 11 is formed in the middle of the rubber plug, the other end of the inner pipe, which is located on the pouring surface of a component, is sealed by a sealing piece 111 and extends into the through hole, the diameter of the outer ring of the sealing piece is equal to the, the plugging effect of the rubber plug is ensured. The rubber stopper forms the shutoff chamber with the outer wall of inner tube and the inner wall of outer tube to avoid the grout to continue to flow to the component and pour the face outside. One end of the inner tube is plugged by a plugging piece, the other end of the inner tube is plugged by a plastic sealing layer to form a cavity into which grouting material cannot enter, when the inner tube needs to be used for detection, the rubber plug is pulled out, then the plugging piece is taken down, one end of the inner tube is opened, the other end of the inner tube is also plugged by the plastic sealing layer, then the inner tube is stretched into an auxiliary tool (a metal rod and the like) to perform film breaking work, and if the plastic sealing layer cannot be punctured, the grouting is full; if the plastic sealing layer is punctured, the endoscopic probe is stretched into the sleeve from the inner tube, the vertical distance from the slurry surface to the probe is observed, and whether the grouting is full or not is judged.
Referring to fig. 5, the positioning connectors are a plurality of connecting columns 17, the number of the positioning connectors is at least 2, and when the sleeves are arranged in a quincunx shape, the number of the positioning connectors in the outer tube corresponding to the sleeve at the far end is at least 3, so that the strength after connection is ensured. One end of the connecting column is connected with the outer wall of the inner pipe, the other end of the connecting column is provided with a conical plug 18, an annular clamping groove is formed between the conical plug and the connecting column, a clamping hole 19 is formed in the outer pipe corresponding to the conical plug, and the conical plug penetrates through the clamping hole and is connected with the outer pipe through the annular clamping groove. The inner tube, the connecting column, the annular clamping groove and the conical plug are integrally formed.
Specifically, in order to ensure that no interference occurs during use, the position of the connecting column needs to be limited, and the size from the connecting column adjacent to the plastic packaging layer to the adjacent end part of the outer tube is larger than the length of the slurry outlet nozzle, specifically, the size can be more than or equal to 20 mm; the size of the adjacent tip of spliced pole to outer tube adjacent with the shutoff piece is greater than the length that the rubber buffer was plugged in, specifically can be more than or equal to 15 mm.
When the structure is installed and used, the inner pipe is prepared firstly, the inner pipe can be in a standard size, one end of the inner pipe is provided with the plastic-sealed layer, then the outer pipe with the corresponding diameter is selected according to the installation standard of the grout outlet, the outer pipe is generally a straight pipe with the length of 2 or 3 meters, the outer pipe with the corresponding length is intercepted according to the length size of the inner pipe, the length of the inner pipe can be 30mm-60mm longer than the preset length of the grout outlet hole, and the inner pipe and the outer pipe protrude out of the surface of the novel precast shear wall for 30mm-60 mm. Drilling according to the position of the connecting column corresponding to the outer pipe to obtain a clamping hole, extending the inner pipe into the outer pipe, plugging the conical plug at the end part of the connecting column into the clamping hole and extending the conical plug to the outside, so that the annular clamping groove is matched with the clamping hole for limiting and fixing, the inner pipe and the outer pipe are fixed into an integral structure, then installing the combined structure on a slurry outlet nozzle of a sleeve, cutting off the inner pipe and the outer pipe on the surface of the protruding member after the novel prefabricated shear wall in a prefabricated factory is manufactured, and plugging the end part of the inner pipe on one side of the surface of the member by using a plugging piece;
after the field grouting construction is finished, the outer pipe is plugged by a rubber plug with a through hole, the inner pipe penetrates into the through hole, the annular plugging effect is realized, the grouting pipe is plugged by a common plug body due to the fact that the grouting pipe is not provided with the structure, and the common pipe is also plugged by the common plug body; after the grouting material in the sleeve is condensed and hardened, pulling out the rubber plug with the hole, then pulling out the plugging piece at the end part of the inner tube, stretching the plugging piece into the inner tube by using an auxiliary tool to perform membrane rupture work, and indicating that the grouting is full if the thin film cannot be punctured; if the film is punctured, the endoscopic probe extends into the sleeve from the detection pore channel, the vertical distance from the slurry surface to the probe is observed, and whether the grouting is full or not is judged.
Still be provided with high-order blast pipe 13 in foretell shear force wall body, high-order blast pipe is applicable to the intercommunication chamber grout technology, high-order blast pipe includes vertical section 14, first slope pipe 15 and second slope pipe 16, the lower port of vertical section is located shear force wall body bottom and with outside through connection, the last port of vertical section and the lower port through connection of first slope pipe and second slope pipe, the last port of first slope pipe and second slope pipe is upwards inclined and sets up in the grout operation surface of shear force wall body, the same and all higher than telescopic top position of the last port of first slope pipe and second slope pipe. After the grouting construction is finished, self-grouting is realized under the action of the self gravity of grouting material, and manual grouting can be timely performed by utilizing a high-level exhaust pipe when grouting leakage occurs.
When concrete grouting construction is carried out, the sleeves are grouted, grouting materials can enter the high-position exhaust pipe through the communicating cavity while entering the sleeves, the mobility of the grouting materials is strong, after all the sleeves are filled with the grouting materials and plugged, the grouting materials can completely enter the high-position exhaust pipe, when the high-position exhaust pipe emits the grouting materials, the first inclined pipe and the second inclined pipe are plugged, at the moment, in an ideal state, the whole cavity filled with the grouting materials is sealed into a whole, the grouting materials cannot flow, and after curing is finished, the grouting materials can be found to descend at the first inclined pipe and the second inclined pipe; but there is the air discharge not clean under many circumstances to and partial structure damage leads to leaking thick liquid or less thick liquid and not serious, and under this condition, high-order blast pipe is higher than the sleeve, and the height of the grout material in the high-order blast pipe is higher than the grout material height in the sleeve promptly, when having the condition of leaking thick liquid, the flow that can self-adaptation reaches the benefit thick liquid purpose. And the arrangement of the first inclined pipe and the second inclined pipe can greatly improve the storage amount of the grouting material for grout supplement.
And the last port of first slope pipe is located the 1/4 department of the length direction of shear force wall body, and the last port of second slope pipe is located the 3/4 department of the length direction of shear force wall body, and the position of first slope pipe and second slope pipe of effective dispersion, evenly distributed is in the wall, avoids too gathering and influences the original intensity of prefabricated shear force wall, effectively improves the wall quality.
The above embodiments are merely preferred embodiments for fully illustrating the present invention, and the scope of the present invention is not limited thereto. Equivalent substitutes or changes made by the technical personnel in the technical field on the basis of the utility model are all within the protection scope of the utility model. The protection scope of the present invention is subject to the claims.
Claims (8)
1. A novel prefabricated shear wall easy to control assembly quality comprises a shear wall body, wherein a sleeve, distribution ribs and vertical connecting steel bars are arranged in the shear wall body, the sleeve is arranged at the bottom of the shear wall body and is matched and connected with the lower end part of the vertical connecting steel bar, the grouting nozzle and the grout outlet nozzle of the sleeve are respectively provided with a grouting pipe and a grout outlet pipe which extend to the surface of the shear wall, it is characterized in that a high-position exhaust pipe is also arranged in the shear wall body and comprises a vertical section, a first inclined pipe and a second inclined pipe, the lower port of the vertical section is positioned at the bottom of the shear wall body and is communicated with the outside, the upper port of the vertical section is communicated with the lower ports of the first inclined pipe and the second inclined pipe, the upper ports of the first inclined pipe and the second inclined pipe are inclined upwards and are arranged on a grouting operation surface of the shear wall body;
v-shaped grooves are formed in two side edges of the shear wall body in the length direction and are arranged in the height direction of the shear wall body;
when the sleeve was arranged between two parties, play thick liquid pipe is prefabricated pipe, when the sleeve was arranged for the plum blossom shape, the play thick liquid pipe that the sleeve of distal end corresponds was prefabricated pipe, and the play thick liquid pipe that the sleeve of near-end corresponds is general pipe, prefabricated pipe includes inner tube and outer tube, the inner tube sets up in the outer tube, the inner tube equals and sets up with one heart with outer tube length, be provided with the location connecting piece between inner tube and the outer tube, the one end that the inner tube is located telescopic play thick liquid mouth is provided with the plastic envelope layer, the other end that the inner tube is located the component and pours the face passes through the shutoff of shutoff piece, the rubber buffer shutoff is passed through to the one end that the outer tube is located the shear force wall surface.
2. The novel precast shear wall of claim 1, wherein the upper port of the first inclined tube is located at 1/4 in the length direction of the shear wall body, the upper port of the second inclined tube is located at 3/4 in the length direction of the shear wall body, and the upper ports of the first inclined tube and the second inclined tube are at the same height and are both higher than the top position of the sleeve.
3. The novel precast shear wall easy to control the assembling quality of claim 1, wherein the V-shaped groove is formed throughout.
4. The novel precast shear wall easy to control assembly quality according to claim 1, wherein the positioning connection pieces are a plurality of connection columns, one end of each connection column is connected with the outer wall of the inner pipe, the other end of each connection column is provided with a tapered plug, an annular clamping groove is arranged between each tapered plug and the corresponding connection column, a clamping hole is arranged on the outer pipe corresponding to each tapered plug, each tapered plug passes through the clamping hole and is connected with the outer pipe through the annular clamping groove, and the inner pipe, the connection columns, the annular clamping grooves and the tapered plugs are integrally formed.
5. A novel precast shear wall allowing easy control of the assembling quality according to claim 4, characterized in that the size of the adjacent end of the connecting column adjacent to the plastic-sealed layer to the outer tube is larger than the length of the grout outlet; the size of the connecting column adjacent to the plugging piece to the adjacent end part of the outer tube is larger than the plugging length of the rubber plug.
6. A novel precast shear wall easy to control the assembling quality according to claim 4, characterized in that when the sleeves are arranged in the middle, the number of the positioning connecting pieces in the precast pipes corresponding to the sleeves is at least 2; when the sleeves are arranged in a quincunx mode, the number of the positioning connecting pieces in the prefabricated pipe corresponding to the sleeves at the far end is at least 3.
7. A novel precast shear wall allowing easy control of the assembling quality according to claim 4, characterized in that the outer diameter of the outer ring of the block piece is equal to the outer diameter of the inner tube, and the outer diameter of the inner ring of the block piece is equal to the inner diameter of the inner tube.
8. The novel precast shear wall easy to control the assembling quality of claim 1, wherein the outer pipe, the inner pipe and the high-level exhaust pipe are all made of PVC.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111456226A (en) * | 2020-04-17 | 2020-07-28 | 温州坤睿建设工程有限公司 | Light steel energy-saving prefabricated house and construction method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111456226A (en) * | 2020-04-17 | 2020-07-28 | 温州坤睿建设工程有限公司 | Light steel energy-saving prefabricated house and construction method thereof |
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