CN210002337U - waterproof structure for expansion joint of hydraulic raft - Google Patents
waterproof structure for expansion joint of hydraulic raft Download PDFInfo
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- CN210002337U CN210002337U CN201920759769.XU CN201920759769U CN210002337U CN 210002337 U CN210002337 U CN 210002337U CN 201920759769 U CN201920759769 U CN 201920759769U CN 210002337 U CN210002337 U CN 210002337U
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- expansion joint
- raft
- waterproof
- red copper
- hydraulic
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Abstract
The utility model relates to an hydraulic raft expansion joint waterproof construction, including the foundation bed course, the concrete raft and the expansion joint between the concrete raft pour on the foundation bed course, the foundation bed course on the side lay waterproofing membrane, the side lay rubber waterstop on waterproof membrane, the side left and right sides of going up of rubber waterstop all be provided with T type protruding structure, along the horizontal red copper waterstop of laying of expansion joint between the top and the bottom of adjacent two concrete rafts in the expansion joint left and right sides, red copper waterstop bury the horizontal deep in two adjacent concrete rafts 200-300 mm, and left and right two ends of red copper waterstop are provided with vertical turn-ups, the part in the expansion joint in the middle of the red copper waterstop be "U" structure, the expansion joint intussuseption fill have the polyethylene obturator cystosepiment, and scribble on polyethylene obturator cystoseal upper portion and have the glue of caulking.
Description
Technical Field
The utility model belongs to water conservancy construction field relates to kind waterproof construction, concretely relates to kind expansion joint waterproof construction, especially relates to kind hydraulic raft board expansion joint waterproof construction.
Background
The expansion joint sealing in the previous hydraulic buildings adopts a single water stopping structure such as a middle-buried rubber water stopping belt or a red copper water stopping plate to prevent water, the key of failure of the embedded water stopping mode is the control of construction quality, if the construction quality is not good, the water stopping belt is distorted, deformed, moved and dislocated to form a water seepage channel, so that water seepage and leakage are caused, even the water gushes are damaged to the safety of the structure, and the expansion joint has water leakage, so that the maintenance is time-consuming and labor-consuming, the maintenance cost is high, the water leakage is difficult to be radically treated, and the use function is influenced.
Disclosure of Invention
The utility model relates to an kinds of water conservancy project raft expansion joint waterproof construction, combination waterproof construction technique that in particular to large-scale water conservancy project raft foundation expansion joint leaked solves the expansion joint problem of leaking through multichannel waterproof technique, multiple sealing material, multiple technology combination.
The technical scheme of the utility model is that:
waterproof structure for expansion joint of hydraulic raft comprises a foundation bed course, concrete rafts poured on the foundation bed course and expansion joints among the concrete rafts, wherein waterproof coiled materials with width larger than that of the expansion joint are adhered and paved on the upper side surface of the foundation bed course by taking the expansion joint as a perpendicular bisector;
the waterproof roll is characterized in that a rubber water stop belt with the width larger than the width of the expansion joint but smaller than the width of the waterproof roll is laid on the upper side of the waterproof roll by taking the expansion joint as a perpendicular bisector, at least 1T-shaped protruding structure is arranged on each of the left side and the right side of the upper side of the rubber water stop belt, the protruding height of each T-shaped protruding structure is 20mm-55mm, and the upward depth of the T-shaped protruding structure embedded into the concrete raft is 20mm-55 mm;
red copper water stop plates are horizontally laid between the top and the bottom of two adjacent concrete rafts on the left side and the right side of expansion joints along the expansion joints, the red copper water stop plates are transversely embedded into the two adjacent concrete rafts to be at a depth of 200-300 mm, the left and right ends of each red copper water stop plate are provided with vertical flanging structures, the length of each flanging is not less than 10mm, and the middle part of each red copper water stop plate in the expansion joint is of an inverted U-shaped structure;
the expansion joint is filled with a polyethylene closed-cell foam board, and joint filling glue is smeared on the upper part of the polyethylene closed-cell foam board and is double-component polysulfide sealant.
The waterproof coiled material is coated with polyurethane on the foundation mat layer before being laid on the foundation mat layer.
The waterproof coiled material is an SBS waterproof coiled material.
The thickness of the SBS waterproof coiled material is 4 mm.
The rubber waterstop is an EB type externally-attached rubber waterstop.
The EB type external rubber is adhered to the waterproof coiled material through neoprene adhesive.
The beneficial effect that this technical scheme produced is:
for details technology: 1. waterproofing membrane carries out the polyurethane before laying on basic bed course and applies paint the pasting of waterproofing membrane on basic bed course of being convenient for more on basic bed course, makes and pastes the effect better, and waterproofing membrane who lays is difficult for producing the displacement deviation because of external force or construction error in the work progress.
2. T type protruding structure on the rubber waterstop can imbed the protruding structure of T type in the concrete raft when the concrete raft is pour to it is more firm to make the rubber waterstop position.
3. The hem at the left and right ends of the red copper water stop plate can play a role in fixing, and looseness and water seepage caused by separation of the red copper water stop plate and the concrete raft cannot occur.
The waterproof structure comprises a waterproof coiled material layer, a rubber water stop layer, a red copper water stop plate layer, a rubber water stop layer, a waterproof layer and a waterproof layer, wherein the waterproof coiled material layer, the rubber water stop layer and the red copper water stop plate layer are sequentially arranged on the waterproof layer.
Description of the drawings:
fig. 1 is a schematic sectional view of the present invention.
In the figure: 1. foundation bed course 2, concrete raft 3, expansion joint 4, waterproofing membrane 5, rubber waterstop 6, T type protruding structure 7, red copper waterstop 8, turn-ups structure 9, fall "U" structure 10, polyethylene obturator cystosepiment 11, joint filling glue.
Detailed Description
The technical solution of the present invention is further illustrated in step with reference to the following examples.
Example 1
The method is characterized in that an actually operated ecological water system circulation (pump station) project of the Zhengzhou city and a tidal river pump station project are taken as examples, a hydraulic structure of the project is a storage water adjusting tank, the length of the storage water adjusting tank is 95m, the width of the storage water adjusting tank is 18m, four expansion joints are arranged, and expansion joints are taken as examples for explanation.
As shown in fig. 1:
kinds of hydraulic raft expansion joint waterproof construction, including basic bed course 1, the concrete raft 2 and the expansion joint 3 between the concrete raft pour on the basic bed course, basic bed course 1 on the side use the expansion joint to paste for the perpendicular bisector and has laid width and be greater than the waterproofing membrane 4 that the expansion joint width and thickness are 4mm, brush thickness on the side of basic bed course before waterproofing membrane 4 is laid and be 1.5mm thick polyurethane coating, make waterproofing membrane lay adhesion nature and roughness better.
Waterproofing membrane 4's the side of going up use the expansion joint to lay the width for the perpendicular bisector and be greater than the expansion joint width, but be less than waterproofing membrane width's rubber waterstop 5, rubber waterstop 5 is wide 300mm, thick 8 mm's EB type pastes formula rubber waterstop outward, rubber waterstop 5's the side of going up all be provided with two T type protruding structures 6, and this T type protruding structure 6 protruding height be 35mm, this T type protruding structure 6 upwards degree of depth of burying concrete raft 2 promptly is 35 mm. The rubber waterstop 5 is adhered and paved with the waterproof coiled material 4 through neoprene.
red copper water stop plates 7 are horizontally laid between the tops and the bottoms of two adjacent concrete rafts 2 on the left side and the right side of expansion joints along the expansion joints 3, the total sum of the transverse embedded deep parts of the red copper water stop plates 7 in the two adjacent concrete rafts 2 is 300mm, namely the embedded depth in the concrete raft on the left side is 150mm, the embedded depth in the concrete raft on the right side is 150mm, the left and right tail ends of the red copper water stop plates 7 are provided with vertical flanging structures 8, the flanging lengths are 20mm, the middle part of each red copper water stop plate 7 in the expansion joint 3 is an inverted U-shaped structure 9, and the integral depth of the inverted U-shaped structure 9 is 40 mm;
the expansion joint 3 is filled with a polyethylene closed-cell foam plate 10, and the upper part of the polyethylene closed-cell foam plate 10 is coated with joint filling glue 11, wherein the joint filling glue is a two-component polysulfide sealant.
The utility model discloses the scheme is when implementing:
firstly, after the construction of a foundation cushion layer is finished, a polyurethane coating with the thickness of 1.5mm is coated on the upper surface of the foundation cushion layer, and an SBS waterproof coiled material is laid to form th waterproof;
then, an EB type externally-attached rubber water stop belt with the width of 300mm and the thickness of 8mm is paved on the upper side of the SBS waterproof coiled material through neoprene adhesive, a concrete raft is poured after the adhering is completed, a T-shaped protruding structure on the EB type externally-attached rubber water stop belt is poured in the concrete raft, the embedding depth of the T-shaped protruding structure is 35mm, and therefore a second waterproof channel is formed;
the red copper water stop plates are fixedly poured in the concrete raft at the additional steel bar fixing positions, so that -body structures are formed by the red copper water stop plates and the concrete raft, and a third waterproof structure is formed, wherein the depth of embedding the left side and the right side of each red copper water stop plate into the concrete raft is 150mm, the middle inverted U-shaped structure is positioned in the expansion joint, the depth of the inverted U-shaped structure is 4mm, and in addition, 2mm folded edges of the left side and the right side of each red copper water stop plate are embedded into the concrete raft to play a role in strengthening and fixing the positions;
and finally: the polyethylene closed-loop foam plates are used for filling joints, the opening vehicles at the upper parts of the expansion joints are used for filling joints by using filling glue, the filling glue adopts two-component polysulfide sealant, and the expansion joints can be ensured to be firmly sealed after the glue is cured.
The scheme is applied to project of the storage water tank project of the ecological water system circulation (pump station) project of the city-around of Zhengzhou city, no leakage exists at the four expansion joints, and the waterproof effect is excellent.
Claims (6)
1, kinds of hydraulic raft expansion joint waterproof construction, including the foundation bed course, concrete raft and expansion joint between the concrete rafts poured on the foundation bed course, wherein the said foundation bed course upper side is stuck and laid the waterproofing membrane with the width greater than the width of expansion joint with the expansion joint as the perpendicular bisector;
the waterproof roll is characterized in that a rubber water stop belt with the width larger than the width of the expansion joint but smaller than the width of the waterproof roll is laid on the upper side of the waterproof roll by taking the expansion joint as a perpendicular bisector, at least 1T-shaped protruding structure is arranged on each of the left side and the right side of the upper side of the rubber water stop belt, the protruding height of each T-shaped protruding structure is 20mm-55mm, and the upward depth of the T-shaped protruding structure embedded into the concrete raft is 20mm-55 mm;
red copper water stop plates are horizontally laid between the top and the bottom of two adjacent concrete rafts on the left side and the right side of expansion joints along the expansion joints, the red copper water stop plates are transversely embedded into the two adjacent concrete rafts to be at a depth of 200-300 mm, the left and right ends of each red copper water stop plate are provided with vertical flanging structures, the length of each flanging is not less than 10mm, and the middle part of each red copper water stop plate in the expansion joint is of an inverted U-shaped structure;
the expansion joint is filled with a polyethylene closed-cell foam board, and joint filling glue is smeared on the upper part of the polyethylene closed-cell foam board and is double-component polysulfide sealant.
2. The kinds of waterproof structures of hydraulic raft expansion joint of claim 1, wherein the waterproof roll is coated with polyurethane before being laid on the foundation bed course.
3. The kinds of hydraulic raft expansion joint waterproof structure of claim 2, wherein the waterproof roll is SBS waterproof roll.
4. The kinds of hydraulic raft expansion joint waterproof structures of claim 3, wherein the SBS waterproof roll is 4mm thick.
5. The kinds of hydraulic raft expansion joint waterproof structure of claim 1, wherein the rubber waterstop is an EB type externally attached rubber waterstop.
6. The kinds of hydraulic raft expansion joint waterproof structure of claim 5, wherein the EB type externally attached rubber waterstop is attached to the waterproof roll through neoprene.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920759769.XU CN210002337U (en) | 2019-05-24 | 2019-05-24 | waterproof structure for expansion joint of hydraulic raft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920759769.XU CN210002337U (en) | 2019-05-24 | 2019-05-24 | waterproof structure for expansion joint of hydraulic raft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210002337U true CN210002337U (en) | 2020-01-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920759769.XU Expired - Fee Related CN210002337U (en) | 2019-05-24 | 2019-05-24 | waterproof structure for expansion joint of hydraulic raft |
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| Country | Link |
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| CN (1) | CN210002337U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110029628A (en) * | 2019-05-24 | 2019-07-19 | 郑州水务建筑工程股份有限公司 | A kind of water conservancy project raft plate dilatation joint waterproof structure |
-
2019
- 2019-05-24 CN CN201920759769.XU patent/CN210002337U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110029628A (en) * | 2019-05-24 | 2019-07-19 | 郑州水务建筑工程股份有限公司 | A kind of water conservancy project raft plate dilatation joint waterproof structure |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200131 |
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| CF01 | Termination of patent right due to non-payment of annual fee |