CN215888649U - Full section stagnant water structure of slip casting construction joint after maintainable formula of pump house side wall - Google Patents
Full section stagnant water structure of slip casting construction joint after maintainable formula of pump house side wall Download PDFInfo
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- CN215888649U CN215888649U CN202122521327.1U CN202122521327U CN215888649U CN 215888649 U CN215888649 U CN 215888649U CN 202122521327 U CN202122521327 U CN 202122521327U CN 215888649 U CN215888649 U CN 215888649U
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Abstract
The utility model relates to a maintainable type post-grouting construction joint full-section water stopping structure for a side wall of a pump house, and belongs to the technical field of waterproof construction of construction joints of pump houses. Including first concreting layer, second concreting layer, waterstop and slip casting pipe subassembly, be formed with the construction joint between first concreting layer and the second concreting layer, the inside waterstop that is provided with of construction joint, inside two long limits of waterstop were pre-buried respectively in first concreting layer and second concreting layer, a plurality of slip casting pipe subassemblies are equipped with in the construction joint in waterstop the place ahead, the slip casting pipe subassembly is dislocation form setting, the both ends end of slip casting pipe subassembly extends to the construction joint outside. This waterproof construction increases the holistic fastness of waterstop through set up the double-deck reinforced structure of anti-skidding arch, design steel sheet, reinforcement channel-section steel and strengthening rib on the waterstop, has better water-proof effects, has increased the area of contact of waterstop and concrete simultaneously, effectively increases the frictional force between waterstop and the concrete, makes the anti-skidding effect of waterstop obtain improving.
Description
Technical Field
The utility model relates to a maintainable type post-grouting construction joint full-section water stopping structure for a side wall of a pump house, and belongs to the technical field of waterproof construction of large-scale pump house construction joints.
Background
The pump house is a building provided with a water pump, a motor, a water pump control cabinet and other auxiliary equipment, is a main body of a water pump station project, and mainly plays a role in providing good working conditions for a water pump unit, the auxiliary equipment and operation management personnel. Different pump room forms influence and determine the form and arrangement of the water inlet and outlet structures of the pump station. The pump house is reasonably designed, and the pump house has important significance for saving engineering investment, prolonging the service life of equipment and ensuring safe and economic operation.
In the building process of the pump house, according to the design specification requirement or construction requirement, in order to ensure the pouring quality of the side wall of the large-scale pump house, construction joints are often kept for layered pouring. Only one water stop belt is pre-buried at the construction joint part, but the water stop belt is broken due to various reasons such as improper vibration in engineering construction, and the leakage phenomenon of more construction joints is caused. The traditional treatment method adopts a mode of chiseling leakage source concrete and reinforcing leakage source water resistance, but the construction of the method is time-consuming and labor-consuming, if the reinforcement is not in place, chiseling is needed again for reinforcement, the construction process is complicated, and the cost is high, so that the method needs to be improved.
Disclosure of Invention
The utility model aims to provide a pump house side wall maintainable post-grouting construction joint full-section water stopping structure which is convenient to construct, low in investment cost and good in waterproof effect, and can effectively solve the problem of repeated water leakage of a construction joint part on the premise of not damaging the structure.
The utility model realizes the purpose through the following technical scheme:
the utility model provides a full section stagnant water structure of slip casting construction joint behind pump house side wall maintainable formula, includes that first concreting layer, second concreting layer, waterstop and slip casting pipe subassembly, its characterized in that: a construction joint is formed between the first pouring concrete layer and the second pouring concrete layer, a water stop is arranged inside the construction joint, two long edges of the water stop are respectively embedded inside the first pouring concrete layer and the second pouring concrete layer, a plurality of grouting pipe assemblies are arranged in the construction joint in front of the water stop, the grouting pipe assemblies are arranged in a staggered mode, ends of two ends of each grouting pipe assembly extend to the outer side of the construction joint, and cement mortar is filled in the construction joint.
Two long edges of the water stop belt are respectively embedded in the half of the thickness of the wall body of the first poured concrete layer and the second poured concrete layer, and two ends of the water stop belt are respectively vertical to the end faces of the wall body of the first poured concrete layer and the wall body of the second poured concrete layer.
The length of the water stop is equal to that of the construction joint.
The waterstop be long plate-like, the waterstop is provided with central mounting groove along middle axial direction, the design steel sheet is equipped with in the interpolation of central mounting groove, the waterstop upper surface and the lower surface of design steel sheet both sides are provided with the non-slip raised respectively, be provided with the reinforcement mounting groove along axial direction on the waterstop cross-section that corresponds with the non-slip raised, it is equipped with the reinforcement channel-section steel to consolidate the mounting groove interpolation, the waterstop end tilt symmetry in the reinforcement channel-section steel outside of outermost end is provided with the antislip strip, be provided with the reinforcement assembly groove along axial direction on the waterstop cross-section that corresponds with the antislip strip, it is equipped with the strengthening rib to consolidate the assembly groove interpolation.
The design steel sheet be rectangular plate, the protruding cross-section of antiskid is "T" font, consolidates the channel-section steel and be "worker" font, the strengthening rib cross-section is the arrow point form.
The slip casting pipe subassembly constitute by slip casting pipe body, connecting pipe, location nail, slip casting box and heat shrink big envelope, the connecting pipe is equipped with respectively through heat shrink big envelope to slip casting pipe body both ends end, the one end of connecting pipe extends to the construction joint outside, extends to and is equipped with the slip casting box on the connecting pipe end in the construction joint outside, slip casting box and connecting pipe intercommunication, the slip casting pipe body passes through location nail fixed mounting on the construction joint lateral wall.
The outer surface of the grouting pipe body is provided with a plurality of grooves which extend along the axial direction of the grouting pipe body, a plurality of grout overflowing holes penetrating through the pipe wall are radially arranged on the axial direction of the bottom of each groove, a rubber layer used for plugging the grout overflowing holes is arranged in each groove, and a binding layer is wrapped on the outer sides of the rubber layer and the grouting pipe body.
The slurry overflow hole is in a diameter-variable shape.
The construction joint in slip casting pipe subassembly the place ahead in be provided with and meet water inflation sealing rod, meet water inflation sealing rod and be connected with the terminal surface contact on first concreting layer and second concreting layer respectively.
The rear end faces of the first cast concrete layer and the second cast concrete layer are provided with waterproof mortar layers, and the middle layers of the waterproof mortar layers are vertically attached with waterproof coating layers and waterproof coil layers respectively.
Compared with the prior art, the utility model has the beneficial effects that:
this full section stagnant water structure of slip casting construction joint after pump house side wall maintainable is through setting up anti-skidding arch on the waterstop, the shaped steel board, the double-deck reinforced structure of reinforcement channel-section steel and strengthening rib, make the holistic fastness of waterstop more reliable, prevent that the waterstop from breaking, better water-proof effects has, the area of contact of waterstop and concrete has been increased simultaneously, effectively increase the frictional force between waterstop and the concrete, thereby make the anti-skidding effect of waterstop obtain improving, through setting up slip casting pipe subassembly, can carry out the infiltration to the construction joint and detect, when the infiltration condition appears, pour into the thick liquid into through slip casting pipe subassembly and carry out waterproof repair and handle, thereby further improve the water-proof effects of large-scale pump house construction joint.
Drawings
FIG. 1 is a schematic top sectional view of the present invention;
FIG. 2 is a schematic cross-sectional view of A-A of FIG. 1;
fig. 3 is a schematic sectional structure view of the grouting pipe body according to the present invention.
In the figure: 1. a first concrete layer is poured; 2. a second concrete layer is poured; 3. a water stop; 4. constructing a joint; 5. shaping a steel plate; 6. anti-skid projections; 7. reinforcing channel steel; 8. reinforcing ribs; 9. a grouting pipe body; 10. a connecting pipe; 11. positioning nails; 12. grouting boxes; 13. a heat-shrinkable sleeve; 14. a slurry overflow hole; 15. a rubber layer; 16. a tie layer; 17. a water-swelling sealing strip when meeting water; 18. a waterproof mortar layer; 19. a waterproof coating layer; 20. a waterproof roll layer.
Detailed Description
Reference is made to the accompanying drawings 1-3
This full section stagnant water structure of slip casting construction joint behind maintainable formula of pump house side wall includes first concreting layer 1, second concreting layer 2, waterstop 3 and slip casting subassembly, be formed with construction joint 4 between first concreting layer 1 and the second concreting layer 2, construction joint 4 is inside to be provided with waterstop 3, waterstop 3 is the rubber material, waterstop 3 is long plate-type, waterstop 3 is provided with central mounting groove along middle axial direction, the interpolation of central mounting groove is equipped with design steel sheet 5, design steel sheet 5 is rectangular plate, during the use, design steel sheet 5 is as the skeleton of waterstop 3, 3 overall structure intensity of waterstop has been improved, have the design effect to waterstop 3 simultaneously, thereby effectively strengthen waterstop 3's water-proof effects.
3 upper surfaces of waterstop and the lower surface of 5 both sides of design steel sheet are provided with non-slip raised 6 respectively, 6 cross-sections of non-slip raised are "T" font, 3 cross-sections of waterstop that correspond with non-slip raised 6 are provided with the reinforcement mounting groove along axial direction on, it is equipped with reinforcing channel-section steel 7 to consolidate the mounting groove interpolation, it is "worker" font to consolidate the channel-section steel 7 cross-section, during the use, reinforcing channel-section steel 7 provides the holding power for non-slip raised 6, it still keeps perpendicular with waterstop 3 effectively to guarantee non-slip raised 6 behind concreting, thereby can effectual improvement anti-skidding ability, the area of contact of waterstop 3 with the concrete has been increased simultaneously, thereby frictional force has been increased, further improvement non-skid raised 6's anti-skidding effect.
The 3 ends of waterstop in the reinforcing channel-section steel 7 outside of outermost end slope symmetry and be provided with the antislip strip, be provided with the reinforcement assembly groove along axial direction on the 3 cross-sections of waterstop that correspond with the antislip strip, the interpolation of reinforcement assembly groove is equipped with strengthening rib 8, and 8 cross-sections of strengthening rib are the arrow point form, and during the use, strengthening rib 8 effectively guarantees that the antislip strip is the state of strutting, improves the antiskid effect of antislip strip, has further improved the engaging power between waterstop 3 and the concrete.
Two long sides of the water stop 3 are respectively embedded in the wall body at the half of the wall body thickness of the first cast concrete layer 1 and the second cast concrete layer 2, two ends of the water stop 3 are respectively vertical to the wall end faces of the first cast concrete layer 1 and the second cast concrete layer 2, and the length of the water stop 3 is equal to that of the construction joint 4.
A plurality of slip casting pipe subassemblies are equipped with in the construction joint 4 in 3 the place ahead of waterstop, the slip casting pipe subassembly is by slip casting pipe body 9, connecting pipe 10, location nail 11, slip casting box 12 and heat shrink big envelope 13 constitute, the surface of slip casting pipe body 9 is equipped with and has a plurality of recesses along slip casting pipe body 9 axial extension, radially be provided with a plurality of excessive thick liquid holes 14 that run through the pipe wall on the recess bottom axial direction, excessive thick liquid hole 14 is the reducing form, only be equipped with the rubber layer 15 that is used for shutoff excessive thick liquid hole 14 in the recess, the rubber layer 15 and the parcel of slip casting pipe body 9 outside have bound layer 16, during the use, excessive thick liquid hole 14 is the effective increase grouting pressure of reducing form, thereby when guaranteeing the slip casting, the more comprehensive of thick liquid infiltration.
The end heads of the two ends of the grouting pipe body 9 are respectively provided with a connecting pipe 10 through a thermal contraction sealing sleeve 13, the end heads of the connecting pipes 10 at the two ends of the grouting pipe assembly respectively extend to the outer side of the construction joint 4, a grouting box 12 is arranged on the end head of the connecting pipe 10 extending to the outer side of the construction joint 4, the grouting box 12 is communicated with the connecting pipe 10, and the grouting pipe body 9 is fixedly arranged on the side wall of the construction joint 4 through a positioning nail 11.
Slip casting pipe body 9 of slip casting pipe subassembly is dislocation form and sets up the purpose: make slip casting pipe body 9 when carrying out the slip casting operation, can more comprehensive carry out the slip casting operation to make the thick liquids of pouring into in the construction joint 4 more even.
And cement mortar is filled in the construction joint 4, a water-swelling water stop strip 17 is arranged in the construction joint 4 in front of the grouting pipe assembly, and the water-swelling water stop strip 17 is respectively in contact connection with the end surfaces of the first cast concrete layer 1 and the second cast concrete layer 2.
The rear end surfaces of the first cast concrete layer 1 and the second cast concrete layer 2 are provided with waterproof mortar layers 18, and the middle layers of the waterproof mortar layers 18 are respectively provided with waterproof paint layers 19 and waterproof coil material layers 20 in an up-down shape in a laminating mode.
After the construction of the pump house side wall maintainable post-grouting construction joint full-section water stop structure is completed, after the concrete strength of a first cast concrete layer 1 and a second cast concrete layer 2 meets the requirement, clear water is injected into a grouting box 12 on a connecting pipe 10 at one end, after air is exhausted from a connecting pipe 10 at the other end and water is discharged, the grouting box 12 of the connecting pipe 10 at the other end is blocked, at the moment, attention is paid to observation, if water seeps out from a construction joint 4 part, the waterproof quality is proved to be unqualified, and acrylate grouting material is required to be injected for repairing; otherwise, the product is qualified and does not need grouting repair.
When the water seepage phenomenon is found at the construction joint 4, grouting repair is immediately carried out, during grouting, grouting is started from the grouting box 12 at one end, after the air in the pipe is discharged from the connecting pipe 10 at the other end and grout flows out, the pipe is blocked, grouting is continued and observation is carried out, and when the grout completely seeps out (seen by naked eyes) from the construction joint 4, grouting can be stopped.
After grouting, before the grout in the pipe is initially set, the residual grout in the grouting pipe body 9 is thoroughly cleaned by compressed air immediately for reuse of the grouting pipe body 9 next time.
This full section stagnant water structure of slip casting construction joint behind maintainable formula of pump house side wall is through setting up non-slip raised 6 on waterstop 3, design steel sheet 5, consolidate the double-deck reinforced structure of channel-section steel 7 and strengthening rib 8, make 3 holistic fastness of waterstop more reliable, prevent that waterstop 3 from breaking, better water-proof effects has, the area of contact of waterstop 3 with the concrete has been increased simultaneously, effectively increase the frictional force between waterstop 3 and the concrete, thereby make the anti-skidding effect of waterstop 3 obtain improving, through setting up the slip casting pipe subassembly, can carry out the infiltration detection to construction joint 4, when the infiltration condition appears, pour into the thick liquid into through the slip casting pipe subassembly and carry out waterproof repair and handle, thereby further improve large-scale pump house side wall construction joint 4's water-proof effects.
Claims (10)
1. The utility model provides a full section stagnant water structure of slip casting construction joint behind pump house side wall maintainable formula, includes first concreting layer (1), second concreting layer (2), waterstop (3) and slip casting pipe assembly, its characterized in that: be formed with construction joint (4) between first concreting layer (1) and the second concreting layer (2), inside waterstop (3) that is provided with of construction joint (4), inside two long limits of waterstop (3) are pre-buried respectively in first concreting layer (1) and second concreting layer (2), are equipped with a plurality of slip casting pipe subassemblies in construction joint (4) in waterstop (3) the place ahead, and the slip casting pipe subassembly is dislocation form setting, and the both ends end of slip casting pipe subassembly extends to construction joint (4) outside, construction joint (4) intussuseption is filled with cement mortar.
2. The pump house side wall maintainable type post-grouting construction joint full-section water stop structure of claim 1, characterized in that: two long sides of the water stop (3) are respectively embedded in the half of the thickness of the wall body of the first poured concrete layer (1) and the second poured concrete layer (2), and two ends of the water stop (3) are respectively vertical to the end faces of the wall body of the first poured concrete layer (1) and the wall body of the second poured concrete layer (2).
3. The pump house side wall maintainable type post-grouting construction joint full-section water stop structure of claim 1, characterized in that: the length of the water stop (3) is equal to that of the construction joint (4).
4. The pump house side wall maintainable type post-grouting construction joint full-section water stop structure of claim 1, characterized in that: waterstop (3) be long plate-type, waterstop (3) are provided with central mounting groove along middle axial direction, design steel sheet (5) are equipped with in the interpolation of central mounting groove, waterstop (3) upper surface and the lower surface of design steel sheet (5) both sides are provided with anti-skidding arch (6) respectively, waterstop (3) cross-section that corresponds with anti-skidding arch (6) is provided with the reinforcement mounting groove along axial direction, it is equipped with reinforcement channel-section steel (7) to consolidate the mounting groove interpolation, the symmetry is provided with the antislip strip on waterstop (3) end in the reinforcement channel-section steel (7) outside of outermost end inclines, it is provided with reinforcement assembly groove along axial direction on waterstop (3) cross-section that corresponds with the antislip strip, reinforcement assembly groove interpolation is equipped with strengthening rib (8).
5. The pump house side wall maintainable type post-grouting construction joint full-section water stop structure of claim 4, characterized in that: the shaping steel plate (5) is a long-strip rectangular plate, the cross section of the anti-skid bump (6) is T-shaped, the cross section of the reinforcing channel steel (7) is I-shaped, and the cross section of the reinforcing rib (8) is in an arrow shape.
6. The pump house side wall maintainable type post-grouting construction joint full-section water stop structure of claim 1, characterized in that: slip casting pipe subassembly by slip casting pipe body (9), connecting pipe (10), location nail (11), slip casting box (12) and heat shrink big envelope (13) constitute, slip casting pipe body (9) both ends end is equipped with connecting pipe (10) through heat shrink big envelope (13) respectively, the one end of connecting pipe (10) extends to the construction joint (4) outside, extend to and be equipped with slip casting box (12) on connecting pipe (10) the end in construction joint (4) outside, slip casting box (12) and connecting pipe (10) intercommunication, slip casting pipe body (9) are through location nail (11) fixed mounting on construction joint (4) lateral wall.
7. The pump house side wall maintainable type post-grouting construction joint full-section water stop structure of claim 6, characterized in that: the outer surface of the grouting pipe body (9) is provided with a plurality of grooves which extend along the axial direction of the grouting pipe body (9), a plurality of grout overflowing holes (14) penetrating through the pipe wall are radially arranged on the axial direction of the bottom of each groove, a rubber layer (15) used for plugging the grout overflowing holes (14) is arranged in each groove, and a binding layer (16) is wrapped on the outer sides of the rubber layer (15) and the grouting pipe body (9).
8. The pump house side wall maintainable type post-grouting construction joint full-section water stop structure of claim 7, characterized in that: the slurry overflow hole (14) is in a variable diameter shape.
9. The pump house side wall maintainable type post-grouting construction joint full-section water stop structure of claim 1, characterized in that: the construction joint (4) in slip casting pipe assembly the place ahead in be provided with and meet water inflation sealing rod (17), meet water inflation sealing rod (17) and be connected with the terminal surface contact of first concreting layer (1) and second concreting layer (2) respectively.
10. The pump house side wall maintainable type post-grouting construction joint full-section water stop structure of claim 1, characterized in that: the rear end faces of the first poured concrete layer (1) and the second poured concrete layer (2) are provided with waterproof mortar layers (18), and the middle layers of the waterproof mortar layers (18) are respectively provided with waterproof paint layers (19) and waterproof coil layers (20) in an up-down shape in a fit mode.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202122521327.1U CN215888649U (en) | 2021-10-20 | 2021-10-20 | Full section stagnant water structure of slip casting construction joint after maintainable formula of pump house side wall |
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| CN202122521327.1U CN215888649U (en) | 2021-10-20 | 2021-10-20 | Full section stagnant water structure of slip casting construction joint after maintainable formula of pump house side wall |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115787454A (en) * | 2022-11-23 | 2023-03-14 | 江苏久兴建设工程有限公司 | Fully-assembled modular bridge expansion device and installation method thereof |
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2021
- 2021-10-20 CN CN202122521327.1U patent/CN215888649U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115787454A (en) * | 2022-11-23 | 2023-03-14 | 江苏久兴建设工程有限公司 | Fully-assembled modular bridge expansion device and installation method thereof |
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