CN210658751U - Waterproof slip casting embedded pipe of overlength underground structure - Google Patents
Waterproof slip casting embedded pipe of overlength underground structure Download PDFInfo
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- CN210658751U CN210658751U CN201920666825.5U CN201920666825U CN210658751U CN 210658751 U CN210658751 U CN 210658751U CN 201920666825 U CN201920666825 U CN 201920666825U CN 210658751 U CN210658751 U CN 210658751U
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Abstract
The utility model discloses a waterproof grouting embedded pipe of an ultralong underground structure, which comprises a concrete base layer (1), a grouting embedded pipe and a post-pouring concrete layer (3), wherein the post-pouring concrete layer (3) is poured on the concrete base layer (1), and the grouting embedded pipe is laid on the surface of the concrete base layer (1); a plurality of steel bars (4) are arranged in the concrete base layer (1), and the end parts of the steel bars (4) penetrate through the surface of the concrete base layer (1) and are positioned in the post-cast concrete layer (3); the grouting embedded pipe comprises a plurality of grouting pipes (2), the grouting embedded pipe is formed by connecting the plurality of grouting pipes (2) end to end, and an inter-pipe connector (5) is arranged between every two adjacent grouting pipes (2). The utility model has the advantages of it can overcome prior art's drawback, and structural design is reasonable novel.
Description
Technical Field
The utility model relates to a waterproof slip casting embedded pipe of overlength underground structure belongs to the building field.
Background
With the expansion and transformation of cities, the original underground facilities cannot meet the requirements. In order to improve the functions of urban infrastructure, a great number of new interconnection underground passage projects are arranged between underground passage and underground comprehensive pipe gallery extension and transformation projects and commercial building seats. Because of above engineering belongs to the later stage and adds the project, the project does not reserve the later stage in the design and extends the connector in earlier stage, and the connection position between newly-increased engineering and the former project does not have special structure measure, causes the connection position of underground passage and high-rise building underground garage, the extension connection position of underground passage and underground pipe gallery to become the weak link of structural strength, and under concrete shrink and creep, structure differential settlement etc. long-term effect, the fracture seepage phenomenon has appeared to different extents, has seriously influenced the service function of engineering. If leakage occurs, two construction methods are mainly adopted, wherein the first method is to dig out the earthwork on the upper part of the underground structure and increase the waterproof layer again, and the second method is to drill holes on the back surface of the structure and inject grout for plugging leakage. The construction methods are labor-consuming and labor-consuming, and influence the appearance quality of the structure.
SUMMERY OF THE UTILITY MODEL
The technical scheme of the utility model to exist among the prior art: if leakage occurs, two construction methods are mainly adopted, namely firstly, a waterproof layer is added again after the earthwork on the upper part of the underground structure is dug out, and secondly, the hole is drilled on the back surface of the structure for grouting and leakage blocking. The construction methods are labor-consuming and labor-consuming, and influence the appearance quality of the structure. The defect of the method is that the waterproof grouting embedded pipe of the super-long underground structure is provided.
In order to solve the technical problem, the utility model adopts the technical scheme that the super-long underground structure waterproof grouting embedded pipe comprises a concrete base layer (1), a grouting embedded pipe and a post-pouring concrete layer (3), wherein the post-pouring concrete layer (3) is poured on the concrete base layer (1), and the grouting embedded pipe is laid on the surface of the concrete base layer (1); a plurality of steel bars (4) are arranged in the concrete base layer (1), and the end parts of the steel bars (4) penetrate through the surface of the concrete base layer (1) and are positioned in the post-cast concrete layer (3); the grouting embedded pipe comprises a plurality of grouting pipes (2), the grouting embedded pipe is formed by connecting the plurality of grouting pipes (2) end to end, and an inter-pipe connector (5) is arranged between every two adjacent grouting pipes (2); two ends of the grouting embedded pipe are respectively connected with a grouting guide pipe (6), one end of the grouting guide pipe (6) is connected with the end part of the grouting embedded pipe, and the other end of the grouting guide pipe (6) is connected with a grouting head (7); the end part of the grouting head (7) protrudes out of the surface of the rear poured concrete layer (3), and a plurality of grouting holes (21) are formed in the grouting pipe (2).
In the technical scheme of this application, concrete foundation (1) is the section that has the structure old, and back concreting layer (3) is newly-built position and has the junction of structure old. The grouting embedded pipe is embedded at the joint of a newly-built part and an old structure, after the post-cast concrete layer (3) is cast, the grouting embedded pipe is fixed between the concrete base layer (1) and the post-cast concrete layer (3), and the grouting guide pipe (6) and the grouting head (7) at the two ends of the grouting embedded pipe protrude out of the surface of the post-cast concrete layer (3). When cracks and water leakage occur, an acrylate slurry material is poured into the grouting embedded pipe through a grouting pump, a grouting hole (21) in the grouting pipe (2) is opened under pressure, the acrylate slurry material seeps out of the grouting hole (21) and flows and spreads along the cracks at the joint of the newly-built part and the old structure, and the cracks at the joint of the newly-built part and the old structure are filled. The grout can be spread 360 degrees through the structural water seepage channels under grouting pressure. And the rapid and full sealing of the water seepage channel is realized by utilizing the water absorption expansibility, the rubber physical property and the in-situ polymerization property of the acrylate.
The acrylate as one excellent anti-seepage chemical grouting material is improved continuously to reach no toxicity and no harm. The acrylate pulp is mainly composed of water, and in the using process, the cleaning agent for cleaning equipment and pipelines is also water, so that the environment-friendly property and the economical efficiency are higher
By utilizing the characteristic that the acrylate grouting liquid can be washed by water, after each grouting, the grouting embedded pipe is filled with clear water by the grouting pump to wash the grouting embedded pipe, and the grouting embedded pipe can be repeatedly used for multiple times. The purposes of no leakage, no grouting and multiple leakage and multiple grouting are achieved.
The application is to new and old structure junction, the position that structural deformation appears easily such as the concrete construction joint that deformation stress concentrates, pre-buried slip casting pipe in advance, in engineering later stage use, the characteristics of the slip casting at any time of the seepage is not had in the seepage, discovery seepage, realizes the purpose that the accuse combines in advance. The technical scheme of the application is applied to waterproof construction of joints of old and new building structures, waterproof construction of construction joints of concrete structures, waterproof construction of post-cast strip parts of concrete structures and waterproof construction of connection parts of concrete pipelines under the environment that the pressure-bearing water pressure is less than or equal to 1.5 MPa.
Preferably, the inter-pipe connector (5) comprises a middle cavity (51), the middle cavity (51) is connected with a horn socket (52) and an inner inserting pipe socket (53), the horn socket (52) and the inner inserting pipe socket (53) are communicated through the middle cavity (51), and an annular bulge is arranged on the outer surface of the horn socket (52); two adjacent grouting pipes (2) are respectively and fixedly connected with the horn insertion port (52) and the inner inserting pipe insertion port (53), the end part of one grouting pipe (2) is inserted into the horn insertion port (52), and the inner inserting pipe insertion port (53) is inserted into the end part opening of the other grouting pipe (2).
In this application, two adjacent grout pipes (2) are connected through union coupling head (5), and the tip of two adjacent grout pipes (2) is pegged graft respectively in loudspeaker interface (52), cup joints outside interior intubate socket (53), and the flow direction of the acrylic acid salt slip casting liquid of grout is along loudspeaker interface (52) to the direction of interior intubate socket (53) best. The horn socket (52) and the inner inserting tube socket (53) can be arranged at a right angle or arranged along a straight line.
Preferably, the thickness of the super-long underground structure waterproof grouting embedded pipe wrapping the concrete base layer (1) of the grouting embedded pipe and the later poured concrete layer (3) is more than or equal to 7 cm.
If the concrete layer wrapped by the grouting embedded pipe is thin, the concrete can generate cracks under the pressure when the grouting embedded pipe is grouted, so that the embedding depth of the grouting embedded pipe is more than or equal to 7 cm. Different concretes have different strengths, so that there is less deviation when used in different concretes.
Preferably, the length of the grouting pipe (2) is less than or equal to 6 meters, and the length of the grouting buried pipe is greater than or equal to 10 meters.
Optimized, above-mentioned waterproof slip casting embedded pipe of overlength underground structure, be provided with a plurality of pipe clamps (8) on grout pipe (2), pipe clamp (8) include a U type section and a flat section, and the flat section of pipe clamp (8) sets up in the U type opening one end of U type section, and the U type section joint of pipe clamp (8) is on grout pipe (2), and the flat section of pipe clamp (8) is fixed in concrete-based layer (1) through the staple on the surface.
In this application, use pipe clamp (8) to be fixed in grout pipe (2) on the surface of concrete-based layer (1), prevent behind concreting layer (3) pouring in-process, grout pipe (2) skew preset position.
Optimally, the distance between two adjacent pipe clamps (8) on the grouting pipe (2) is 25 cm; the pipe clamp (8) is formed by integrally bending a metal plate.
In this application, the interval of two adjacent pipe clamps (8) sets up to 25 centimetres, and is too big then lower to the fixed firmness of grout pipe (2), and the extravagant cost of undersize then increases the construction volume. The pipe clamp (8) is formed by bending a metal sheet, is convenient to process, and is fixed on the concrete base layer (1) through a nail gun when the pipe clamp (8) is fixed.
Preferably, above-mentioned waterproof slip casting embedded pipe of overlength underground structure, also be provided with a plurality of pipe clamps (8) on grout pipe (6), the one end of grout pipe (6) is fixed in concrete base (1) on the surface through pipe clamp (8), and the other end of grout pipe (6) is provided with fixed sleeve (9) and is fixed in on reinforcing bar (4) through fixed sleeve (9).
In the application, the grouting guide pipe (6) also needs to be fixed in position through the pipe clamp (8) to prevent deviation in position during pouring. Because the grouting head (7) at the end part of the grouting guide pipe (6) needs to protrude out of the post-cast concrete layer (3), the grouting head is fixed on the steel bar (4) through the fixing sleeve (9), so that the end part of the grouting guide pipe (6) after casting is prevented from being separated from a preset position and cannot protrude out of the surface of the post-cast concrete layer (3).
Optimized, above-mentioned waterproof slip casting of overlength underground structure pipe of burying, adapter sleeve (9) include an installation cover and be fixed in the annular engaging lug of installation cover both sides, and the installation cover of adapter sleeve (9) is fixed cup joints on grout pipe (6), and the engaging lug of adapter sleeve (9) is tied up on reinforcing bar (4) through the iron wire.
In this application, the tip of grout pipe (6) cup joints behind in fixed sleeve (9), and the engaging lug through fixed sleeve (9) is tied up on reinforcing bar (4), prevents that the tip of grout pipe (6) from being washed away from preset position when pouring.
Preferably, the diameter of the grouting hole (21) in the grouting pipe (2) is a one-way hole of 35 microns, the outer diameter of the grouting pipe (2) is 12 mm, and the inner diameter of the grouting pipe (2) is 8 mm; the opening and closing pressure difference of the grouting hole (21) is 0.2 MPa.
In this application, grout pipe (2) are spread throughout grout hole (21) of 35 microns diameter, and grout hole (21) are one-way pore, and grout hole (21) are opened under grout pipe (2) intraductal grouting pressure, and grout hole (21) self-sealing after grouting pressure cancels can prevent that outside grout and stratum water from falling the infiltration grout pipe (2) in, guarantee the grouting pressure loss not.
The utility model has the advantages of it can overcome prior art's drawback, and structural design is reasonable novel. The grouting pipe is pre-buried in advance aiming at the positions where structural deformation is easy to occur, such as new and old structural joints, concrete construction joints with concentrated deformation stress and the like, and the grouting pipe has the characteristics of no leakage, no grouting and leakage and grouting at any time when leakage is found in the later use process of engineering, so that the aims of pre-control and prevention and control combination are fulfilled. The structure is suitable for being applied to waterproof construction of joints of old and new building structures, waterproof construction of construction joints of concrete structures, waterproof construction of post-cast strip parts of concrete structures and waterproof construction of connection parts of concrete pipelines under the environment that the pressure of bearing water is less than or equal to 1.5 MPa. The water solubility of acrylate is utilized, and grouting liquid can be diffused by 360 degrees through the structural water seepage channel under grouting pressure. And the rapid and full sealing of the water seepage channel is realized by utilizing the water absorption expansibility, the rubber physical property and the in-situ polymerization property of the acrylate.
According to the technical scheme, during construction, dust, dirt and loose parts on the surface of the concrete base layer (1) are removed by a steel wire brush forcibly. The longest length of a single section of the grouting pipe (2) laid along the construction joint is 6m, and the length of the joint weight and the length of the part of the grouting pipe (2) and the inter-pipe connector (5) are more than or equal to 10 cm. And (3) calculating the number of sections of the grouting pipe (2) and planning the reserved position of the grouting hole (21) according to the length of the construction joint, and then cutting the grouting pipe (2). And (3) installing a horn insertion port (52) at the end part of the grouting pipe (2), and inserting the grouting pipe (2) into the horn insertion port (52) to ensure tight insertion without looseness. Simple test after the grouting pipe (2) and the horn socket (52) are combined ensures that the pulling force is more than or equal to 100N. Spreading the grouting embedded pipe along the center line of the construction joint, and ensuring that the periphery of the grouting embedded pipe is at least 7 cm of concrete covering layer; in order to ensure that grouting can be carried out later, the grouting guide pipe (6) and the grouting head (7) extend out of the concrete structure and are easy to carry out grouting operation. The grouting pipe (2) cannot extend to the outside of the concrete structure; and the continuous and compact joint of the grouting pipe (2) and the base layer is ensured without leaving a space; the grouting pipe (2) is fixed on the concrete base layer by using pipe clamps (8), nails or shooting nails, and the distance between the pipe clamps (8) is ensured to be 25 cm. Binding reinforcing steel bars, erecting a template and pouring concrete according to the construction sequence of the concrete cast-in-place structure, and paying attention to protect the installed grouting pipe (2) and the installed grouting guide pipe (6) in the construction process of the procedures, and timely repairing if damage is found. And grouting if leakage occurs at the joint seam between the newly-built part and the old structure at the later stage, wherein the grouting material is acrylate. The working pressure of the grouting pump is 0.5MPa to 2 MPa.
The grouting head (7) is connected with a grouting pump through a connector and a pressure rubber tube; injecting water into one end of the grouting embedded pipe by using grouting pressure less than 1MPa to determine the position of a grout outlet at the other end of the grouting embedded pipe; then filling the grout into the grouting embedded pipe by using grouting pressure less than 1MPa until the grout flows out from the other end of the grouting embedded pipe and the grout outlet port; sealing the other end of the grouting embedded pipe and the grout outlet by using a copper conical grouting nozzle; gradually increasing the grouting pressure until the slurry begins to flow; and (5) stabilizing the grouting pressure to 1.5MPa, continuing grouting, and finishing grouting when the grout does not flow any more.
After grouting, taking out the copper conical grouting nozzle for plugging the grouting outlet; injecting water into the grouting pipe under the pressure less than 1MPa, and cleaning the grouting pipe; when the completely clean water flows out from the grout outlet, the grouting pipe is cleaned, and the completely clean water can be used for next re-grouting.
The acrylate grouting material consists of a calcium magnesium acrylate solution, a little methylene bisacrylamide (a cross-linking agent), triethanolamine (an accelerating agent), ammonium persulfate (an initiating agent) and water (a solvent). Has no pollution to the environment and can be washed by water.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the installation structure of the grouting embedded pipe on the concrete foundation layer;
FIG. 3 is a top view of FIG. 2;
FIG. 4 is a schematic structural view of the inter-pipe joint of the present invention;
fig. 5 is a sectional view of the utility model after the installation of the well grouting embedded pipe.
Detailed Description
The technical features of the present invention will be further explained with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1, the utility model relates to a waterproof grouting embedded pipe of an ultralong underground structure, which comprises a concrete base layer (1), a grouting embedded pipe and a post-cast concrete layer (3), wherein the post-cast concrete layer (3) is cast on the concrete base layer (1), and the grouting embedded pipe is laid on the surface of the concrete base layer (1); a plurality of steel bars (4) are arranged in the concrete base layer (1), and the end parts of the steel bars (4) penetrate through the surface of the concrete base layer (1) and are positioned in the post-cast concrete layer (3); the grouting embedded pipe comprises a plurality of grouting pipes (2), the grouting embedded pipe is formed by connecting the plurality of grouting pipes (2) end to end, and an inter-pipe connector (5) is arranged between every two adjacent grouting pipes (2); two ends of the grouting embedded pipe are respectively connected with a grouting guide pipe (6), one end of the grouting guide pipe (6) is connected with the end part of the grouting embedded pipe, and the other end of the grouting guide pipe (6) is connected with a grouting head (7); the end part of the grouting head (7) protrudes out of the surface of the rear poured concrete layer (3), and a plurality of grouting holes (21) are formed in the grouting pipe (2).
In the technical scheme of this application, concrete foundation (1) is the section that has the structure old, and back concreting layer (3) is newly-built position and has the junction of structure old. The grouting embedded pipe is embedded at the joint of a newly-built part and an old structure, after the post-cast concrete layer (3) is cast, the grouting embedded pipe is fixed between the concrete base layer (1) and the post-cast concrete layer (3), and the grouting guide pipe (6) and the grouting head (7) at the two ends of the grouting embedded pipe protrude out of the surface of the post-cast concrete layer (3). When cracks and water leakage occur, an acrylate slurry material is poured into the grouting embedded pipe through a grouting pump, a grouting hole (21) in the grouting pipe (2) is opened under pressure, the acrylate slurry material seeps out of the grouting hole (21) and flows and spreads along the cracks at the joint of the newly-built part and the old structure, and the cracks at the joint of the newly-built part and the old structure are filled. The grout can be spread 360 degrees through the structural water seepage channels under grouting pressure. And the rapid and full sealing of the water seepage channel is realized by utilizing the water absorption expansibility, the rubber physical property and the in-situ polymerization property of the acrylate.
The acrylate as one excellent anti-seepage chemical grouting material is improved continuously to reach no toxicity and no harm. The acrylate pulp is mainly composed of water, and in the using process, the cleaning agent for cleaning equipment and pipelines is also water, so that the environment-friendly property and the economical efficiency are higher
By utilizing the characteristic that the acrylate grouting liquid can be washed by water, after each grouting, the grouting embedded pipe is filled with clear water by the grouting pump to wash the grouting embedded pipe, and the grouting embedded pipe can be repeatedly used for multiple times. The purposes of no leakage, no grouting and multiple leakage and multiple grouting are achieved.
The application is to new and old structure junction, the position that structural deformation appears easily such as the concrete construction joint that deformation stress concentrates, pre-buried slip casting pipe in advance, in engineering later stage use, the characteristics of the slip casting at any time of the seepage is not had in the seepage, discovery seepage, realizes the purpose that the accuse combines in advance. The technical scheme of the application is applied to waterproof construction of joints of old and new building structures, waterproof construction of construction joints of concrete structures, waterproof construction of post-cast strip parts of concrete structures and waterproof construction of connection parts of concrete pipelines under the environment that the pressure-bearing water pressure is less than or equal to 1.5 MPa.
The pipe connector (5) comprises a middle cavity (51), the middle cavity (51) is connected with a horn insertion port (52) and an inner insertion pipe insertion port (53), the horn insertion port (52) and the inner insertion pipe insertion port (53) are communicated through the middle cavity (51), and an annular bulge is arranged on the outer surface of the horn insertion port (52); two adjacent grouting pipes (2) are respectively and fixedly connected with the horn insertion port (52) and the inner inserting pipe insertion port (53), the end part of one grouting pipe (2) is inserted into the horn insertion port (52), and the inner inserting pipe insertion port (53) is inserted into the end part opening of the other grouting pipe (2).
In this application, two adjacent grout pipes (2) are connected through union coupling head (5), and the tip of two adjacent grout pipes (2) is pegged graft respectively in loudspeaker interface (52), cup joints outside interior intubate socket (53), and the flow direction of the acrylic acid salt slip casting liquid of grout is along loudspeaker interface (52) to the direction of interior intubate socket (53) best. The horn socket (52) and the inner inserting tube socket (53) can be arranged at a right angle or arranged along a straight line.
The thickness of the concrete base layer (1) wrapping the grouting embedded pipe and the thickness of the post-pouring concrete layer (3) are more than or equal to 7 cm.
If the concrete layer wrapped by the grouting embedded pipe is thin, the concrete can generate cracks under the pressure when the grouting embedded pipe is grouted, so that the embedding depth of the grouting embedded pipe is more than or equal to 7 cm. Different concretes have different strengths, so that there is less deviation when used in different concretes.
The length of the grouting pipe (2) is less than or equal to 6 meters, and the length of the grouting embedded pipe is greater than or equal to 10 meters. Be provided with a plurality of pipe clamps (8) on grout pipe (2), pipe clamp (8) include a U type section and a flat section, and the flat section of pipe clamp (8) sets up in the U type opening one end of U type section, and the U type section joint of pipe clamp (8) is on grout pipe (2), and the flat section of pipe clamp (8) is fixed in concrete base (1) on the surface through the staple.
In this application, use pipe clamp (8) to be fixed in grout pipe (2) on the surface of concrete-based layer (1), prevent behind concreting layer (3) pouring in-process, grout pipe (2) skew preset position.
The distance between two adjacent pipe clamps (8) on the grouting pipe (2) is 25 cm; the pipe clamp (8) is formed by integrally bending a metal plate.
In this application, the interval of two adjacent pipe clamps (8) sets up to 25 centimetres, and is too big then lower to the fixed firmness of grout pipe (2), and the extravagant cost of undersize then increases the construction volume. The pipe clamp (8) is formed by bending a metal sheet, is convenient to process, and is fixed on the concrete base layer (1) through a nail gun when the pipe clamp (8) is fixed.
The concrete base layer grouting device is characterized in that a plurality of pipe clamps (8) are also arranged on the grouting guide pipes (6), one ends of the grouting guide pipes (6) are fixed on the surface of the concrete base layer (1) through the pipe clamps (8), and the other ends of the grouting guide pipes (6) are provided with fixing sleeves (9) and are fixed on the reinforcing steel bars (4) through the fixing sleeves (9).
In the application, the grouting guide pipe (6) also needs to be fixed in position through the pipe clamp (8) to prevent deviation in position during pouring. Because the grouting head (7) at the end part of the grouting guide pipe (6) needs to protrude out of the post-cast concrete layer (3), the grouting head is fixed on the steel bar (4) through the fixing sleeve (9), so that the end part of the grouting guide pipe (6) after casting is prevented from being separated from a preset position and cannot protrude out of the surface of the post-cast concrete layer (3).
The fixed sleeve (9) comprises an installation sleeve and annular connecting lugs fixed on two sides of the installation sleeve, the installation sleeve of the fixed sleeve (9) is fixedly sleeved on the grouting guide pipe (6), and the connecting lugs of the fixed sleeve (9) are bound on the reinforcing steel bars (4) through iron wires.
In this application, the tip of grout pipe (6) cup joints behind in fixed sleeve (9), and the engaging lug through fixed sleeve (9) is tied up on reinforcing bar (4), prevents that the tip of grout pipe (6) from being washed away from preset position when pouring.
The aperture of a grouting hole (21) in the grouting pipe (2) is a one-way pore channel with the diameter of 35 microns, the outer diameter of the grouting pipe (2) is 12 millimeters, and the inner diameter of the grouting pipe (2) is 8 millimeters; the opening and closing pressure difference of the grouting hole (21) is 0.2 MPa.
In this application, grout pipe (2) are spread throughout grout hole (21) of 35 microns diameter, and grout hole (21) are one-way pore, and grout hole (21) are opened under grout pipe (2) intraductal grouting pressure, and grout hole (21) self-sealing after grouting pressure cancels can prevent that outside grout and stratum water from falling the infiltration grout pipe (2) in, guarantee the grouting pressure loss not.
Of course, the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and those skilled in the art should also understand that the changes, modifications, additions or substitutions made within the scope of the present invention should belong to the protection scope of the present invention.
Claims (9)
1. The utility model provides a waterproof slip casting buried pipe of overlength underground structure which characterized in that: the concrete foundation comprises a concrete base layer (1), grouting embedded pipes and a post-pouring concrete layer (3), wherein the post-pouring concrete layer (3) is poured on the concrete base layer (1), and the grouting embedded pipes are laid on the surface of the concrete base layer (1); a plurality of steel bars (4) are arranged in the concrete base layer (1), and the end parts of the steel bars (4) penetrate through the surface of the concrete base layer (1) and are positioned in the post-cast concrete layer (3); the grouting embedded pipe comprises a plurality of grouting pipes (2), the grouting embedded pipe is formed by connecting the plurality of grouting pipes (2) end to end, and an inter-pipe connector (5) is arranged between every two adjacent grouting pipes (2); two ends of the grouting embedded pipe are respectively connected with a grouting guide pipe (6), one end of the grouting guide pipe (6) is connected with the end part of the grouting embedded pipe, and the other end of the grouting guide pipe (6) is connected with a grouting head (7); the end part of the grouting head (7) protrudes out of the surface of the rear poured concrete layer (3), and a plurality of grouting holes (21) are formed in the grouting pipe (2).
2. The waterproof grouting embedded pipe of the overlong underground structure according to claim 1, wherein: the pipe connector (5) comprises a middle cavity (51), the middle cavity (51) is connected with a horn insertion port (52) and an inner insertion pipe insertion port (53), the horn insertion port (52) and the inner insertion pipe insertion port (53) are communicated through the middle cavity (51), and an annular bulge is arranged on the outer surface of the horn insertion port (52); two adjacent grouting pipes (2) are respectively and fixedly connected with the horn insertion port (52) and the inner inserting pipe insertion port (53), the end part of one grouting pipe (2) is inserted into the horn insertion port (52), and the inner inserting pipe insertion port (53) is inserted into the end part opening of the other grouting pipe (2).
3. The waterproof grouting embedded pipe of the overlong underground structure according to claim 1, wherein: the thickness of the concrete base layer (1) wrapping the grouting embedded pipe and the thickness of the post-pouring concrete layer (3) are more than or equal to 7 cm.
4. The waterproof grouting embedded pipe of the overlong underground structure according to claim 1, wherein: the length of the grouting pipe (2) is less than or equal to 6 meters, and the length of the grouting embedded pipe is greater than or equal to 10 meters.
5. The waterproof grouting embedded pipe of the overlong underground structure according to claim 1, wherein: be provided with a plurality of pipe clamps (8) on grout pipe (2), pipe clamp (8) include a U type section and a flat section, and the flat section of pipe clamp (8) sets up in the U type opening one end of U type section, and the U type section joint of pipe clamp (8) is on grout pipe (2), and the flat section of pipe clamp (8) is fixed in concrete base (1) on the surface through the staple.
6. The waterproof grouting embedded pipe of the overlength underground structure of claim 5, characterized in that: the distance between two adjacent pipe clamps (8) on the grouting pipe (2) is 25 cm; the pipe clamp (8) is formed by integrally bending a metal plate.
7. The waterproof grouting embedded pipe of the overlength underground structure of claim 5, characterized in that: the concrete base layer grouting device is characterized in that a plurality of pipe clamps (8) are also arranged on the grouting guide pipes (6), one ends of the grouting guide pipes (6) are fixed on the surface of the concrete base layer (1) through the pipe clamps (8), and the other ends of the grouting guide pipes (6) are provided with fixing sleeves (9) and are fixed on the reinforcing steel bars (4) through the fixing sleeves (9).
8. The waterproof grouting embedded pipe of the overlength underground structure of claim 7, characterized in that: the fixed sleeve (9) comprises an installation sleeve and annular connecting lugs fixed on two sides of the installation sleeve, the installation sleeve of the fixed sleeve (9) is fixedly sleeved on the grouting guide pipe (6), and the connecting lugs of the fixed sleeve (9) are bound on the reinforcing steel bars (4) through iron wires.
9. The waterproof grouting embedded pipe of the overlong underground structure according to claim 1, wherein: the aperture of a grouting hole (21) in the grouting pipe (2) is a one-way pore channel with the diameter of 35 microns, the outer diameter of the grouting pipe (2) is 12 millimeters, and the inner diameter of the grouting pipe (2) is 8 millimeters; the opening and closing pressure difference of the grouting hole (21) is 0.2 MPa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920666825.5U CN210658751U (en) | 2019-05-10 | 2019-05-10 | Waterproof slip casting embedded pipe of overlength underground structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920666825.5U CN210658751U (en) | 2019-05-10 | 2019-05-10 | Waterproof slip casting embedded pipe of overlength underground structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210658751U true CN210658751U (en) | 2020-06-02 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112814386A (en) * | 2021-01-06 | 2021-05-18 | 刘青凉 | Door crack grouting machine for architectural decoration |
| CN113137081A (en) * | 2021-04-26 | 2021-07-20 | 中国建筑第八工程局有限公司 | Deformation joint acrylate grouting plugging construction method |
| CN114991222A (en) * | 2022-05-24 | 2022-09-02 | 中铁隧道勘测设计院有限公司 | Shock absorption disposal method for subway station structure |
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2019
- 2019-05-10 CN CN201920666825.5U patent/CN210658751U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112814386A (en) * | 2021-01-06 | 2021-05-18 | 刘青凉 | Door crack grouting machine for architectural decoration |
| CN112814386B (en) * | 2021-01-06 | 2022-07-01 | 刘青凉 | Door crack grouting machine for architectural decoration |
| CN113137081A (en) * | 2021-04-26 | 2021-07-20 | 中国建筑第八工程局有限公司 | Deformation joint acrylate grouting plugging construction method |
| CN114991222A (en) * | 2022-05-24 | 2022-09-02 | 中铁隧道勘测设计院有限公司 | Shock absorption disposal method for subway station structure |
| CN114991222B (en) * | 2022-05-24 | 2024-02-20 | 中铁第六勘察设计院集团有限公司 | Shock absorption disposal method for subway station structure |
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Granted publication date: 20200602 Termination date: 20210510 |