CN210713156U - Prefabricated assembled sump pit structure - Google Patents
Prefabricated assembled sump pit structure Download PDFInfo
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- CN210713156U CN210713156U CN201921147931.9U CN201921147931U CN210713156U CN 210713156 U CN210713156 U CN 210713156U CN 201921147931 U CN201921147931 U CN 201921147931U CN 210713156 U CN210713156 U CN 210713156U
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- prefabricated
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Abstract
The utility model provides a prefabricated assembled sump pit structure, including the prefabricated sump pit body and cast-in-place structure bottom plate, prefabricated sump pit body upper portion circumference is pre-buried to have a plurality of first reinforcing bars, the prefabricated sump pit external wall of first reinforcing bar perpendicular to, and first reinforcing bar one end is located prefabricated sump pit internally, and the other end is located cast-in-place structure bottom plate, be provided with a plurality of second reinforcing bars in the cast-in-place structure bottom plate, and the second reinforcing bar is connected with first reinforcing bar one-to-one. The utility model discloses a well prefabricated sump pit body can be at mill batch production, maintenance, then transports the scene, at the installation of on-the-spot direct hoist and mount, removes the ligature reinforcing bar from, erects loaded down with trivial details work such as template, concreting, maintenance, saves the time limit for a project, improves construction quality, has advantages such as convenient construction, economic nature are good, the time limit for a project is short, construction quality is good.
Description
Technical Field
The utility model belongs to the technical field of the building engineering construction, concretely relates to prefabricated assembled sump pit structure is applied to field basement wind pavilion sump pits such as track traffic, housing construction, municipal works.
Background
In the design of a subway station, the requirements of ventilation or air conditioning between stations are considered, a fresh air pavilion, an exhaust pavilion and a piston pavilion are required to be arranged at two ends of the station, and the fresh air pavilion, the exhaust pavilion and the piston pavilion are required to be additionally arranged sometimes due to the fact that property development exists in the station. Considering that urban landscape needs to be generally provided with open low wind shelters, a 1.8m multiplied by 1.5m (length multiplied by width multiplied by depth) sump needs to be arranged under each wind shelter, a station generally has 8 sumps, and a station has 10 sumps developed with property.
The sump pit construction belongs to pit-in-pit construction, so that the time for bottom sealing of a foundation pit is increased, the construction risk is increased undoubtedly, and the construction difficulty is increased; in addition, in actual construction, due to underground water, concrete pouring, maintenance and the like of the substrate, the water collecting pit has the problem of water leakage after construction is completed.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming current sump pit construction degree of difficulty greatly, the construction period is long, easily appears the problem of percolating water after the construction is accomplished.
Therefore, the utility model provides a prefabricated assembled sump pit structure, including the prefabricated sump pit body and cast-in-place structure bottom plate, prefabricated sump pit body upper portion circumference is pre-buried to have a plurality of first reinforcing bars, the prefabricated sump pit external lateral wall of first reinforcing bar perpendicular to, and first reinforcing bar one end is located prefabricated sump pit internally, and the other end is located cast-in-place structure bottom plate, be provided with a plurality of second reinforcing bars in the cast-in-place structure bottom plate, and the second reinforcing bar is connected with first reinforcing bar one-to-one.
Furthermore, the prefabricated water collecting pit body is of a prefabricated square concrete pit body structure, a flanging extending outwards and vertically is arranged on the upper portion of the concrete pit body, the first steel bars are embedded in the flanging in advance, and the height of the flanging is consistent with that of the bottom plate of the cast-in-place structure.
Furthermore, a plurality of first steel bars are arranged at different heights of the flanging of the prefabricated water collecting pit body.
Furthermore, the connecting points of the first steel bars and the second steel bars in the bottom plate of the cast-in-place structure are arranged in a staggered mode at different heights.
Furthermore, a grouting pipe is pre-buried in the top of the prefabricated water collecting pit body, one end of the grouting pipe extends out of the top of the prefabricated water collecting pit body, and the other end of the grouting pipe is pre-buried in the prefabricated water collecting pit body and extends to a construction joint of the prefabricated water collecting pit body and the cast-in-place structure base plate.
Furthermore, a galvanized water-stopping steel plate is embedded in the upper portion of the prefabricated water collecting pit body in the circumferential direction, one side of the galvanized water-stopping steel plate is located in the prefabricated water collecting pit body, and the other side of the galvanized water-stopping steel plate is located in a cast-in-place structure base plate.
Compared with the prior art, the beneficial effects of the utility model are that:
(1) the utility model provides a prefabricated sump pit body is at mill batch production, maintenance in this kind of prefabricated assembled sump pit structure, then transports the scene, directly hoists the installation at the scene, removes the ligature reinforcing bar from, erects loaded down with trivial details work such as template, concreting, maintenance, saves the time limit for a project, improves construction quality, has advantages such as construction convenience, economic nature are good, the time limit for a project is short, construction quality is good.
(2) The utility model provides a prefabricated sump pit body adopts prefabricated concrete structure in this kind of prefabricated assembled sump pit structure, for the sump pit of cast-in-place structure, has shortened the engineering time, for the steel sump pit, has improved waterproof corrosion resistance, has prolonged life.
The present invention will be described in further detail with reference to the accompanying drawings.
Drawings
Fig. 1 is a schematic plan view of the prefabricated sump structure of the present invention;
fig. 2 is a schematic sectional view taken along line a-a in fig. 1.
Description of reference numerals: 1. prefabricating a water collecting pit body; 2. a grouting pipe; 3. galvanized water stop steel plates; 4. a cast-in-place structural bottom plate; 5. a first reinforcing bar; 6. a second reinforcing bar; 7. and (5) flanging.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, are not to be construed as limiting the present invention.
The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature; in the description of the present invention, "a plurality" means two or more unless otherwise specified.
As shown in fig. 1 and fig. 2, this embodiment provides a prefabricated assembled sump pit structure, including prefabricated sump pit body 1 and cast-in-place structure bottom plate 4, pre-buried a plurality of first reinforcing bars 5 in prefabricated sump pit body 1 upper portion circumference, the prefabricated sump pit body 1 lateral wall of first reinforcing bar 5 perpendicular to, and 5 one end of first reinforcing bar are located prefabricated sump pit body 1, and the other end is located cast-in-place structure bottom plate 4, be provided with a plurality of second reinforcing bars 6 in the cast-in-place structure bottom plate 4, and second reinforcing bar 6 is connected with 5 one-to-one of first reinforcing bar. In the embodiment, the prefabricated water collecting pit body is adopted, and the prefabricated water collecting pit body is prefabricated in a factory for batch production in advance, so that the complex work of binding steel bars, erecting templates, pouring concrete, maintaining and the like during the site construction of the water collecting pit body is avoided, the site construction period is shortened, meanwhile, the quality of the prefabricated water collecting pit body 1 in the production process is controllable, and the construction quality is greatly improved; and the bottom plate around the sump body adopts a cast-in-place structure bottom plate, so that the strength and the waterproof performance of the prefabricated assembly type sump structure are enhanced.
In a detailed implementation mode, the prefabricated water collecting pit body 1 is of a prefabricated square concrete pit body structure, a flanging 7 which extends outwards and vertically is arranged on the upper portion of the concrete pit body, the connection with the cast-in-place structure bottom plate 4 is facilitated, the first steel bars 5 are embedded in the flanging 7 in advance, and the height of the flanging 7 is consistent with that of the cast-in-place structure bottom plate 4. Optimally, the first reinforcing steel bars 5 are arranged on the flanges 7 of the prefabricated water collecting pit body 1 at different heights, the first reinforcing steel bars 5 are arranged in the prefabricated water collecting pit body 1 in an upper layer and a lower layer, and the connecting strength between the prefabricated water collecting pit body 1 and the cast-in-place structural base plate 4 is increased. Furthermore, the connection points of the first steel bars 5 and the second steel bars 6 in the cast-in-place structural bottom plate 4 are arranged at different heights in a staggered manner, so that weak connection strength points in the cast-in-place structural bottom plate 4 are dispersed, and the situation that the strength in a certain direction in the cast-in-place structural bottom plate 4 is weak and the overall structural strength of the cast-in-place structural bottom plate is influenced is avoided.
In order to further improve the water seepage prevention performance of the joint between the prefabricated water collecting pit body 1 and the cast-in-situ structure bottom plate 4, a grouting pipe 2 is pre-buried in the top of the prefabricated water collecting pit body 1, one end of the grouting pipe 2 extends out of the top of the prefabricated water collecting pit body 1, the other end of the grouting pipe is pre-buried in the prefabricated water collecting pit body 1 and extends to the construction joint of the prefabricated water collecting pit body 1 and the cast-in-situ structure bottom plate 4, and after the cast-in-situ structure bottom plate 4 is constructed, grouting can be performed on the construction joint of the prefabricated water collecting pit body 1 and the cast-in-situ structure bottom plate 4 through the grouting pipe 2 to fill the construction joint.
Further, still pre-buried zinc-plated stagnant water steel sheet 3 of prefabricated sump pit body 1 upper portion circumference, zinc-plated stagnant water steel sheet 3's one side is located prefabricated sump pit body 1, and the opposite side is located cast-in-place structure bottom plate 4, can avoid prefabricated sump pit body 1 and cast-in-place structure bottom plate 4's construction joint infiltration hourglass down through zinc-plated stagnant water steel sheet 4's setting, has further improved the prevention of seepage water performance of junction between prefabricated sump pit body 1 and the cast-in-place structure bottom plate 4.
The construction method of the prefabricated assembly type sump structure in the embodiment specifically comprises the following steps:
firstly, prefabricate the prefabricated sump pit body 1 of production according to design dimension in the mill to at the pre-buried first reinforcing bar 5 of prefabricated sump pit body 1 upper portion circumference, the prefabricated sump pit body 1 that catchments is stretched out to first reinforcing bar 5 part, and this first reinforcing bar 5 position should be convenient when the prefabricated sump pit body 1 is installed according to prefabricated sump pit body is connected the setting with the second reinforcing bar 6 in the cast-in-place structure bottom plate 4 of follow-up pouring.
Secondly, constructing a foundation pit according to design requirements on a construction site, and after the foundation pit is excavated to the elevation of the prefabricated water collecting pit body 1, sequentially constructing a cushion layer and a waterproof protective layer at the bottom of the foundation pit; hoisting the prefabricated water collecting pit body 1 into a foundation pit, and enabling the bottom of the prefabricated water collecting pit body 1 to be in contact with a waterproof protective layer at the bottom of the foundation pit; further, in order to improve the waterproof performance of the prefabricated water collecting pit body 1 connected with the foundation pit when being installed, the inner side wall of the foundation pit, the outer side wall of the prefabricated water collecting pit body 1 and the positions between the waterproof protective layer and the bottom of the prefabricated water collecting pit body 1 can be poured with a grouting material layer.
And then, constructing and installing a second steel bar 6 at the bottom plate 4 of the cast-in-place structure, and connecting the second steel bar 6 and the first steel bar 5 pre-embedded on the prefabricated water collecting pit body 1 one by using a steel bar connector or a welding mode.
And finally, pouring the cast-in-place structural bottom plate 4 until the strength of the cast-in-place structural bottom plate 4 meets the design requirement.
Certainly, the second steel bars can be constructed and installed at the cast-in-place structural bottom plate, then the cast-in-place structural bottom plate is cast, the connection range of the cast-in-place structural bottom plate and the prefabricated water collecting pit body is reserved for 500mm, the prefabricated water collecting pit body is hoisted into the foundation pit, the first steel bars and the second steel bars which are pre-buried on the prefabricated water collecting pit body are connected one by one, and finally the concrete with the connection range of 500mm reserved for the cast-in-place structural bottom plate is cast.
To sum up, the utility model provides a prefabricated sump pit body is at mill batch production, maintenance in this kind of prefabricated assembled sump pit structure, then transports the scene, at the on-the-spot direct hoist and mount installation, removes the ligature reinforcing bar from, erects loaded down with trivial details work such as template, concreting, maintenance, saves the time limit for a project, improves construction quality, has advantages such as convenient construction, economic nature are good, the time limit for a project is short, construction quality is good.
The above illustration is merely an illustration of the present invention, and does not limit the scope of the present invention, and all designs identical or similar to the present invention are within the scope of the present invention.
Claims (6)
1. The utility model provides a prefabricated assembled sump pit structure which characterized in that: including prefabricated sump pit body and cast-in-place structure bottom plate, prefabricated sump pit body upper portion circumference pre-buried has a plurality of first reinforcing bars, the prefabricated sump pit external wall of first reinforcing bar perpendicular to, and first reinforcing bar one end is located prefabricated sump pit internally, and the other end is located cast-in-place structure bottom plate, be provided with a plurality of second reinforcing bars in the cast-in-place structure bottom plate, and the second reinforcing bar is connected with first reinforcing bar one-to-one.
2. A prefabricated sump structure according to claim 1, wherein: the prefabricated water collecting pit body is of a prefabricated square concrete pit body structure, a flanging extending outwards and vertically is arranged on the upper portion of the concrete pit body, the first steel bars are embedded in the flanging in advance, and the height of the flanging is consistent with that of the bottom plate of the cast-in-place structure.
3. A prefabricated sump structure according to claim 2, wherein: the first steel bars are arranged on the prefabricated water collecting pit body at different heights of the flanging.
4. A prefabricated sump structure according to claim 3, wherein: the connecting points of the first steel bars and the second steel bars in the cast-in-place structural bottom plate are arranged in a staggered mode at different heights.
5. A prefabricated sump structure according to claim 1, wherein: and a grouting pipe is embedded in the top of the prefabricated water collecting pit body, one end of the grouting pipe extends out of the top of the prefabricated water collecting pit body, and the other end of the grouting pipe is embedded in the prefabricated water collecting pit body and extends to a construction joint of the prefabricated water collecting pit body and the cast-in-situ structural base plate.
6. A prefabricated sump structure according to claim 1, wherein: the prefabricated sump pit is characterized in that a galvanized water stopping steel plate is embedded in the upper portion of the prefabricated sump pit body in the circumferential direction, one side of the galvanized water stopping steel plate is located in the prefabricated sump pit body, and the other side of the galvanized water stopping steel plate is located in a cast-in-place structure base plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921147931.9U CN210713156U (en) | 2019-07-22 | 2019-07-22 | Prefabricated assembled sump pit structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921147931.9U CN210713156U (en) | 2019-07-22 | 2019-07-22 | Prefabricated assembled sump pit structure |
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| Publication Number | Publication Date |
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| CN210713156U true CN210713156U (en) | 2020-06-09 |
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| CN201921147931.9U Active CN210713156U (en) | 2019-07-22 | 2019-07-22 | Prefabricated assembled sump pit structure |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110397148A (en) * | 2019-07-22 | 2019-11-01 | 中铁第四勘察设计院集团有限公司 | A kind of prefabricated assembled catch pit structure and construction method |
| CN112228096A (en) * | 2020-09-22 | 2021-01-15 | 佛山轨道交通设计研究院有限公司 | Construction method of auxiliary structure of subway station |
| CN116556687A (en) * | 2023-05-12 | 2023-08-08 | 中建八局第四建设有限公司 | Prefabricated water collecting pit construction method |
-
2019
- 2019-07-22 CN CN201921147931.9U patent/CN210713156U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110397148A (en) * | 2019-07-22 | 2019-11-01 | 中铁第四勘察设计院集团有限公司 | A kind of prefabricated assembled catch pit structure and construction method |
| CN112228096A (en) * | 2020-09-22 | 2021-01-15 | 佛山轨道交通设计研究院有限公司 | Construction method of auxiliary structure of subway station |
| CN116556687A (en) * | 2023-05-12 | 2023-08-08 | 中建八局第四建设有限公司 | Prefabricated water collecting pit construction method |
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