CN210288284U - Dual water stop system connected with new and old water outlet box culvert - Google Patents
Dual water stop system connected with new and old water outlet box culvert Download PDFInfo
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- CN210288284U CN210288284U CN201920957909.4U CN201920957909U CN210288284U CN 210288284 U CN210288284 U CN 210288284U CN 201920957909 U CN201920957909 U CN 201920957909U CN 210288284 U CN210288284 U CN 210288284U
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Abstract
The utility model relates to the technical field of engineering structures of water conservancy construction, in particular to a double water-stopping system connected with a new and old water-outlet box culvert, which comprises a first water-stopping structure, a second water-stopping structure and a pump station section box culvert; the main body of the pump station section box culvert is of a horizontally inclined parallelepiped structure, a through culvert is arranged on the front side face of the main body, a positioning groove is arranged on the front side face of the main body, the first water stopping structure is a water stopping copper sheet, the water stopping copper sheet is bent and formed into a straight strip-shaped structure bent from a central line, the protruding part bent from the central line is embedded and installed at the positioning groove, the second water stopping structure is a rubber water stopping belt, the water stopping copper sheet is closely attached and installed on the periphery of the water stopping copper sheet, and the water stopping copper sheet is arranged on the front side face of the pump; the utility model discloses a dual stagnant water structural system that stagnant water copper sheet and rubber waterstop combined makes stagnant water quality effect better, is applied to perfect stagnant water measure in the pump station construction, does benefit to in the whole work progress, and efficiency of construction promotes, construction cost reduces, construction safety factor is higher and more stable.
Description
Technical Field
The utility model relates to an engineering structure technical field of water conservancy construction indicates a dual stagnant water system of being connected with new and old play water box culvert especially.
Background
In water conservancy and hydropower engineering, drainage is one of the important engineering tasks, through carrying out the renewal transformation to the pump station structure in engineering construction to realize the drainage requirement in waterlogging district, and the play water box culvert is the important component part of pump station structure, because it is high to go out water box culvert quality requirement, the construction needs to spend a large amount of time, the pump station operational effect is directly influenced to the engineering time overlength, consequently under the circumstances of guaranteeing quality, drainage safety, need accelerate the construction progress of play water box culvert, make it shorten the construction time, and possess the drainage condition as early as possible, just can exert social, but still need the problem of being exquisite to how to accelerate the construction progress at present.
In the construction engineering of the water outlet box culvert, the installation of the water stop structure is one of important construction works, the water stop structure for the water outlet box culvert at present usually adopts a water stop copper sheet, the main mode is that the water stop copper sheet is embedded at a parting position while concrete is poured, and the operation step is simpler and easier under a simple environment; however, in a large and complicated construction environment, the existing construction method still has more defects under the limitation of equipment and process.
The difficulty of the current construction method is shown as follows: the first point is that in terms of construction cost and progress: because the box culvert of the pump house section is manually dismantled by the hand-operated pneumatic hammer, the investment of constructors is large, the labor cost is high, the construction progress of manual dismantling operation is slow, and the requirement of the construction period cannot be met; second, in terms of flatness: the box culvert at the pump house section is removed by a traditional manual method by adopting a pneumatic gun or a mechanical gun machine, but the flatness of the removed surface is difficult to control due to the two removal methods, and the requirement of the connection of a new box culvert and an old box culvert on the flatness cannot be met; third, in terms of safety: when the box culvert of the pump house section is broken by a mechanical gun, the vibration is large in the construction process, the influence on the structure of the pump house is large, cracks are possibly generated, and the safety of the pump house cannot be ensured; fourth, in terms of implant fixation: because the traditional construction method is to embed the water-stop copper sheet in advance when pouring concrete, the problem that the water-stop copper sheet is fixedly implanted in the original concrete structure cannot be solved; fifth, in terms of water stopping effect: adopt single stagnant water copper sheet to carry out the stagnant water, new and old box culvert junction easily appears leaking and seepage phenomenon. In summary, in the construction structure design and process, a large space is required to be improved so as to promote the construction progress and guarantee the high quality of construction.
Disclosure of Invention
In order to solve the above problems, the utility model discloses aim at disclosing the engineering structure technical field of water conservancy construction, indicate especially one kind with new and old play water box culvert dual stagnant water system of being connected, reach that the construction speed is fast, with low costs, factor of safety is high, stagnant water quality is effectual advances function.
In order to achieve the above object, the utility model adopts the following technical scheme: a dual water-stop system connected with a new and old water-out box culvert is installed between a pump station section and an embankment section, and the pump station section and the embankment section are installation and construction areas of the new and old water-out box culvert and are characterized in that the dual water-stop system mainly comprises a first water-stop structure, a second water-stop structure and a pump station section box culvert; the pump station section box culvert body is of a horizontally inclined parallelepiped structure, a through culvert is arranged on the other opposite side surface of the front side surface of the pump station section box culvert, a closed annular rectangular positioning groove is arranged on the front side surface of the pump station section box culvert from the surface to the inside, and the positioning groove is arranged around the periphery of an opening of the culvert; the first water stopping structure and the second water stopping structure are both arranged on the right side surface of the opening of the culvert on the box culvert at the pump station section; the first water stopping structure is a water stopping copper sheet, the sheet copper sheet is bent and formed into a protruding straight strip-shaped section structure which is bent from the central line, the protruding part which is bent from the central line is embedded and fixedly installed at the positioning groove, the second water stopping structure is a rubber water stopping belt, the second water stopping structure is tightly attached and installed on the periphery of the water stopping copper sheet, and the second water stopping structure is arranged on the positive side surface of the pump station section box culvert in a full-coverage mode.
Preferably, the dual water-stop system further comprises an embankment section box culvert, the pump station section box culvert and the embankment section box culvert are installed in an embedded mode, and the two box culverts are adjacent and connected.
Preferably, two side edges of the first water stopping structure are bent downwards and slightly tilted, or are bent and connected with each other to form a square main body.
Preferably, the depth of the positioning groove is 5-10 cm, and the width of the positioning groove is 8-10 cm.
Preferably, the first water stopping structure installed on the positioning groove at least comprises four parts, the four parts are respectively arranged on the long sides or the short sides of the rectangle of the positioning groove in a length matching mode in a transverse or longitudinal mode, and the adjacent parts of the first water stopping structure are connected from end points in a welding mode.
Preferably, the thickness of the second water stopping structure is 3-8 cm.
The beneficial effects of the utility model are embodied in: the utility model discloses a dual stagnant water structural system that stagnant water copper sheet and chance water inflation rubber waterstop combine makes stagnant water quality effect better, is applied to perfect stagnant water measure in the pump station construction, does benefit to in the whole work progress, and efficiency of construction promotes, construction cost reduces, construction safety factor is higher and more stable.
Drawings
Fig. 1 is a schematic diagram of the pump station site structure before the new and old water outlet box culvert is built.
Fig. 2 is a schematic diagram of the field structure of the pump station after the new and old water outlet box culvert is built.
Figure 3 is a perspective view of a box culvert structure of the present invention.
Figure 4 is the box culvert structure chart before the utility model discloses installation stagnant water structure.
Figure 5 is the box culvert structure chart after the utility model discloses installation stagnant water structure.
Fig. 6 is a sectional view of the water stop structure of the present invention.
Reference is made to the accompanying drawings in which: 1-pump station section, 2-dyke section, 3-first water-stopping structure, 4-second water-stopping structure, 5-dyke section box culvert, 6-pump station section box culvert, 7-positioning groove and 8-flood-control gate section.
Detailed Description
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings:
the main construction project of the pump station in this embodiment includes: replacing 3 original water pump units (1-3 # water pump units), adding 1 new unit (4# water pump unit), updating and modifying the modified Songlong pump station to design the water discharge flow of 92.0m3/s, the installed capacity of 7200KW, the flood discharge standard is 3 days of runoff produced by 24 hours of rainstorm in 10 years, the rain collection area is 268.24km2, the flood prevention standard of the pump station water retaining building design is 50 years of flood in the recurrence period, the pump station belongs to II-class large (2) type engineering, the main building is 2 grade, the secondary building is 3 grade, and the temporary building is 4 grade; according to the design drawing, the upper structure of the pump room of the 1-3 # water pump unit needs to be dismantled and rebuilt, and the lower structure is reserved; and integrally dismantling the old water outlet box culvert of the 1-3 water pump unit, rebuilding the water outlet box culvert of the 1-3 water pump unit and newly building the water outlet box culvert of the 4-water pump unit, wherein the rebuilt water outlet box culvert of the 1-3 water pump unit is connected with the concrete of the lower structure of the pump room of the 1-3 water pump unit.
A dual water-stop system connected with a new and old water-out box culvert is installed between a pump station section 1 and an embankment section 2 at a pump station construction site, the pump station section 1 and the embankment section 2 are installation and construction areas of the new and old water-out box culvert, the construction of the whole system is completed by dismantling the old water-out box culvert, installing the new water-out box culvert and installing a dual water-stop structure, the dual water-stop structure is arranged at a pump station section box culvert 6 and is used for perfecting the water-stop system so as to be beneficial to the field construction of the integral pump station, and the dual water-stop system mainly comprises a first water-stop structure 3, a second water-stop structure 4 and a pump station section box culvert 6; the main body of the pump station section box culvert 6 is of a horizontally inclined parallelepiped structure, a through culvert is arranged on the other opposite side surface of the main body, a closed annular rectangular positioning groove 7 is arranged on the front side surface of the pump station section box culvert 6 from the surface to the inside, and the positioning groove 7 surrounds the periphery of the opening of the culvert; the first water stopping structure 3 and the second water stopping structure 4 are both arranged on the front side surface of the opening of the culvert on the box culvert 6 at the pump station section; the first water stopping structure 3 is a water stopping copper sheet, the water stopping copper sheet is bent and formed into a straight strip-shaped structure which is bent and protruded from the central line, the protruded part bent from the central line is embedded and fixedly installed at the position of the positioning groove 7, the second water stopping structure 4 is a rubber water stopping belt, is tightly attached and installed on the periphery of the water stopping copper sheet and is arranged on the front side surface of the pump station section box culvert 6 in a full-coverage mode;
further, the dual water-stop system also comprises an embankment section box culvert 5, a pump station section box culvert 6 and the embankment section box culvert 5 are installed in an embedded mode, and the two box culverts are adjacent and connected; pump station section box culvert 6 makes up formula box culvert structure as an organic whole with dyke section box culvert 5, operates as to the construction of box culvert during the construction: dismantling the old box culvert, installing a water stop structure and installing a new box culvert;
furthermore, two side edges of the first water stopping structure 3 are bent downwards and slightly tilted, or are bent and connected with each other to form a square main body; the thickness of the second water stopping structure 4 is 3-8 cm;
furthermore, the depth of the positioning groove 7 is 5-10 cm, and the width is 8-10 cm; further, the first water stopping structure 3 installed on the positioning groove 7 at least comprises four parts, the length matching type water stopping structure is transversely or longitudinally arranged on the long side or the short side of the rectangle of the positioning groove 7 respectively, and the adjacent parts of the first water stopping structure 3 are connected by welding from end points.
A construction process of a double water stop system connected with a new and old water outlet box culvert mainly comprises the following steps:
s1, dismantling the box culvert at the embankment section 2, and concretely comprises the following steps:
s1-1, firstly, removing the old flood control gate section 8 by using a blasting machine, and excavating an internal box culvert body;
s1-2, cutting off the water-stop copper sheets from the expansion joints to separate the box culvert of the embankment section 2 from the box culvert of the pump station section 1; the vibration generated to the box culvert of the pump house section when the box culvert 5 of the dike section is dismantled is reduced, so that the box culvert of the pump house section can be prevented from being damaged;
s1-3, then adopting a blasting machine to dismantle the box culvert of the dike section 2, and cleaning and transporting the dismantled concrete slag blocks to a slag yard; in order to prevent concrete slag blocks generated in the dismantling process from entering a pump station through a pump station section box culvert 6, a wooden template is adopted for plugging from the inside of the pump station, the slag blocks are prevented from polluting the pump station, and the wooden template is dismantled after construction is completed;
and S1-4, finally, manually cleaning concrete slag blocks scattered around the pump station section box culvert 6 to create a good cutting working surface for the next cutting of the pump station section box culvert 6.
S2, cut the box culvert at the pump station section 1, specifically still include:
s2-1, determining the position of the cutting surface: according to the reserved design length after cutting of the pump station section box culvert 6, paying off and positioning on site, and marking after rechecking is error-free; different measuring personnel recheck each other, and mark the ink line after the ink line is accurately marked;
s2-2, drilling a threading hole: drilling a hole with the diameter of 6cm from a bottom plate of a cutting surface of a box culvert 6 at a pump station section by adopting a diamond thin-wall drill (a water drill) to serve as a rope threading hole applied when a diamond rope sawing machine cuts the box culvert;
s2-3, installing a diamond wire saw: firstly, a fixed guide rail and a movable wheel set which are matched with the diamond wire saw are installed, the centers of the diamond wire saw and the movable wheel set are kept on the same plane with a cutting surface, then the wire saw is threaded through a wire threading hole and the movable wheel set, the fixed guide rail and the movable wheel set are adjusted to enable the tightness of the wire saw to be moderate, and finally, an oil pressure control operation system is installed and connected;
s2-4, cutting 6 bodies of box culverts at pump station sections: cutting and debugging are carried out on the diamond wire saw before 6 box culvert bodies at the pump station section are cut so as to verify the mounting firmness of the fixed guide rail, and the box culvert bodies are cut after debugging is finished; meanwhile, the automatic cutting of the box culvert can be finished by operating the oil pressure control operation system, and the temperature of the diamond wire saw can be reduced by frequently spraying water to the cutting part in the cutting process;
s2-5, crushing and clearing: and crushing the box culvert blocks generated after cutting in situ by using a cannon machine, and timely transporting the box culvert blocks out of a construction site.
S3, cutting a positioning groove 7 for installing a water stop copper sheet, and specifically further comprising:
s3-1, after separating, cutting and cleaning the 6 box culvert bodies at the pump station sections, lofting and snapping lines at the cutting surfaces of the box culvert bodies;
s3-2, installing a fixed guide rail of the diamond circular saw and the circular saw according to the cutting position of the positioning groove 7, and connecting an oil pressure control operation system of the fixed guide rail;
s3-3, before formal grooving, checking whether the fixed guide rail and the circular saw are firmly installed and whether the control circuit is normally connected, and performing trial cutting after confirming that the fixed guide rail and the circular saw are connected without errors so as to verify the firmness of the installation of the fixed guide rail and the circular saw;
s3-4, starting an oil pressure control operation system, and setting grooving depth parameters to complete automatic grooving of the box culvert body;
s3-5, spraying water to the cutting position to keep the cutting position moist in the grooving process so as to reduce the working temperature of the diamond disk saw;
and S3-6, chiseling the middle part forming groove by manual operation after cutting.
S4, installing and positioning the water stop copper sheet along the positioning groove 7, and specifically further comprising:
s4-1, bending the water stopping copper sheet from the sheet structure to form a profile structure with the middle part bent and protruded upwards and the two ends bent and downward, and embedding and installing the profile structure on the positioning groove 7 through the middle protruded position;
s4-2, filling expanded cement mortar at the edge of the water-stopping copper sheet to strengthen the fixation of the water-stopping copper sheet on the positioning groove 7; the adoption of the expanded cement mortar fully utilizes the expansion and consolidation effects of the expanded cement, and prevents the loosening phenomenon caused by the infirm fixation of the water-stop copper sheet due to the shrinkage of common cement; the expansive cement is a hydraulic cementing material prepared by grinding portland cement clinker, a proper amount of gypsum and an expanding agent together, and generates volume expansion cement in the hydration and hardening processes, and the volume of the expansive cement can be contracted when the portland cement is hardened in the air; the shrinkage can cause micro cracks to be generated on the cement structure, the compactness of the cement structure is reduced, and the impermeability, frost resistance, corrosion resistance and the like of the structure are influenced; the volume of the expansive cement does not shrink and slightly expands in the hardening process, so that adverse consequences caused by shrinkage can be solved; the method is suitable for reinforcing structures, pouring machine bases or filling expansion consolidation, and can be used for joint and repair engineering.
S5, pasting a rubber waterstop at the periphery of the waterstop copper sheet, and concretely comprises:
s5-1, selecting the rubber waterstop as a water-swelling rubber waterstop;
s5-2, pasting a rubber waterstop on the side of the waterstop copper sheet and the cutting surface of the box culvert 6 body of the pump station section in a comprehensive covering mode; compared with common rubber, the water-swellable rubber has more excellent characteristics and advantages, can generate 2-3 times of swelling deformation after encountering water, fill all irregular surfaces, cavities and gaps of seams, and generate huge contact pressure to thoroughly prevent leakage; when the joint or construction joint is displaced and the gap exceeds the elastic range of the material, the common rubber water-stopping material loses the water-stopping function, and the material can stop water through water absorption and expansion; the water-swelling rubber is used as the plugging sealing water-stopping material, so that the consumption is saved, the characteristic of elastic fatigue caused by excessive compression of common elastic materials can be eliminated, and the waterproof effect is more reliable; the water-swelling rubber waterstop can effectively prevent leakage of new and old box culverts.
S6, carrying out box culvert concrete structure construction, and concretely comprising:
s6-1, firstly, pouring concrete from the box culvert body bottom plate;
s6-2, then pouring a side wall; two sides are synchronously lifted and poured;
s6-3, finally pouring a top plate;
s6-4, compacting the concrete close to the two water stopping structures by manual vibration through reinforcing steel bar heads, and forbidding vibration by using a vibrating bar to avoid damaging the installed water stopping structures.
The functional advantages realized by the construction process are as follows:
1) the pump house section box culvert is cut and dismantled by the diamond rope saw, so that the dismantling construction progress is greatly accelerated, the requirement of the construction period is met, and the construction cost is reduced;
2) the box culvert 6 at the pump station section is cut and dismantled by a diamond rope saw, the construction operation is free of vibration, the structure of a pump house is not affected, and the structure safety is ensured;
3) the box culvert 6 at the pump station section is cut and removed by a diamond wire saw, so that the requirement of the connection contact surface of the new box culvert and the old box culvert on the flatness is met;
4) the diamond disc saw is adopted to cut the positioning groove 7 of the water-stopping copper sheet, and the expanded cement mortar made of silicate expanded cement is adopted to fix the water-stopping copper sheet, so that the problem of implanting the water-stopping copper sheet in the original concrete structure is solved;
5) adopt stagnant water copper sheet and meet water inflation rubber waterstop to carry out dual stagnant water, stagnant water quality effect is better.
The above, it is only the preferred embodiment of the present invention, not right the technical scope of the present invention makes any restriction, the technical personnel of the industry, under this technical scheme's enlightenment, can do some deformation and modification, all the basis the utility model discloses a technical essence is to any modification, the equivalent change and the modification of the above embodiment do, all still belong to the technical scheme's scope of the present invention.
Claims (6)
1. A dual water-stop system connected with a new and old water-out box culvert is installed between a pump station section and an embankment section, and the pump station section and the embankment section are installation and construction areas of the new and old water-out box culvert and are characterized in that the dual water-stop system mainly comprises a first water-stop structure, a second water-stop structure and a pump station section box culvert; the pump station section box culvert body is of a horizontally inclined parallelepiped structure, a through culvert is arranged on the other opposite side surface of the front side surface of the pump station section box culvert, a closed annular rectangular positioning groove is arranged on the front side surface of the pump station section box culvert from the surface to the inside, and the positioning groove is arranged around the periphery of an opening of the culvert; the first water stopping structure and the second water stopping structure are both arranged on the right side surface of the opening of the culvert on the box culvert at the pump station section; the first water stopping structure is a water stopping copper sheet, the sheet copper sheet is bent and formed into a protruding straight strip-shaped section structure which is bent from the central line, the protruding part which is bent from the central line is embedded and fixedly installed at the positioning groove, the second water stopping structure is a rubber water stopping belt, the second water stopping structure is tightly attached and installed on the periphery of the water stopping copper sheet, and the second water stopping structure is arranged on the positive side surface of the pump station section box culvert in a full-coverage mode.
2. The dual water stopping system connected with the new and old water outlet box culverts as claimed in claim 1, wherein the dual water stopping system further comprises an embankment section box culvert, the pump station section box culverts and the embankment section box culverts are installed in an embedded manner, and the two box culverts are adjacently and continuously connected.
3. The dual water stopping system connected with the new and old water outlet box culvert according to claim 1, wherein two side edges of the first water stopping structure are bent downwards and slightly tilted, or are bent and connected with each other to form a square main body.
4. The dual water stopping system connected with the new and old water outlet box culvert according to claim 1, wherein the depth of the positioning groove is 5-10 cm, and the width of the positioning groove is 8-10 cm.
5. The dual water stopping system connected with the new and old water box culvert according to claim 1, wherein the first water stopping structure installed on the positioning groove is composed of at least four parts, the length of each part is matched and is transversely or longitudinally arranged on the long side or the short side of the rectangle of the positioning groove, and the adjacent parts of the first water stopping structure are welded and connected from the end points.
6. The dual water stopping system connected with the new and old water outlet box culvert according to claim 1, wherein the thickness of the second water stopping structure is 3-8 cm.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920957909.4U CN210288284U (en) | 2019-06-25 | 2019-06-25 | Dual water stop system connected with new and old water outlet box culvert |
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| CN201920957909.4U CN210288284U (en) | 2019-06-25 | 2019-06-25 | Dual water stop system connected with new and old water outlet box culvert |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110205988A (en) * | 2019-06-25 | 2019-09-06 | 广东省水利水电第三工程局有限公司 | It is a kind of to be discharged the dual water-stopping system and its construction technology that box culvert is connect with new and old |
| CN112458932A (en) * | 2020-10-29 | 2021-03-09 | 上海市政工程设计研究总院（集团）有限公司 | Non-cutoff connection method for single-hole water diversion box culvert |
-
2019
- 2019-06-25 CN CN201920957909.4U patent/CN210288284U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110205988A (en) * | 2019-06-25 | 2019-09-06 | 广东省水利水电第三工程局有限公司 | It is a kind of to be discharged the dual water-stopping system and its construction technology that box culvert is connect with new and old |
| CN110205988B (en) * | 2019-06-25 | 2024-07-09 | 广东省水利水电第三工程局有限公司 | Dual water stop system connected with new and old water outlet box culverts and construction process thereof |
| CN112458932A (en) * | 2020-10-29 | 2021-03-09 | 上海市政工程设计研究总院（集团）有限公司 | Non-cutoff connection method for single-hole water diversion box culvert |
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