CN205062982U - Rainwater pipeline structure - Google Patents
Rainwater pipeline structure Download PDFInfo
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- CN205062982U CN205062982U CN201520658355.XU CN201520658355U CN205062982U CN 205062982 U CN205062982 U CN 205062982U CN 201520658355 U CN201520658355 U CN 201520658355U CN 205062982 U CN205062982 U CN 205062982U
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Abstract
The utility model relates to a municipal administration piping work technical field discloses a rainwater pipeline structure very much. This rainwater pipeline structure, including prefabricated rainwater tube coupling, its characterized in that: adjacent prefabricated rainwater tube coupling just has cement mortar and winding to have the wire net in interface position outside coating through gathering the sealed end to end of glue of sulphur, prefabricated rainwater tube coupling bottom is provided with prefabricated support, and prefabricated support is equipped with arcuate contact surface, is equipped with cement mortar on the contact surface of prefabricated support and prefabricated rainwater tube coupling. The utility model discloses utilized prefabricated rainwater tube coupling and the equitable compound mode of prefabricated support, construction cost is low, construction convenience, and construction speed is fast, and construction quality easily guarantees, and then has played cost -effective effect.
Description
(1) technical field
The utility model relates to municipal pipeline field of engineering technology, particularly a kind of storm sewer structure.
(2) background technology
Along with the high speed development of urbanization process, as city important infrastructure, the construction of Storm Sewer Network achieves major progress.But due to Storm Sewer Network, to have flow in short-term large, so the investment cost of corresponding pipe network system account for sizable ratio in municipal administration investment.Therefore, optimal design is to greatest extent carried out to Storm Sewer Network, a large amount of investment costs will be reduced, obtain best economic benefit.
It is large that prefabricated reinforced concrete rain pipe has intensity, and the feature of convenient construction, is widely used in municipal engineering.Traditional work progress is job site prefabricated rectangle bearing, rain pipe is placed on after on rectangle bearing and cement mortar is smeared to the gap of flat mouth interface, then concreting bottom rain pipe, becomes a stable entirety, finally backfills by bearing and rain pipe.This construction method can cause the defects such as rainwater tube coupling junction closure is poor, intensity is low, uses rectangle bearing, easily causes the position of rain pipe to occur deviation, and building of rain pipe lower concrete can increase construction cost simultaneously, and speed of application is slower.
Given this, be the problems such as the construction speed solving traditional construction method is slow, cost is high, rain pipe closure difference, need the Novel rainwater pipeline configuration that a kind of construction speed of invention is fast, cost is low, construction quality is easy to guarantee at present badly.
(3) summary of the invention
The utility model, in order to make up the deficiencies in the prior art, provides the storm sewer structure that a kind of construction speed is fast, cost is low, construction quality is easy to guarantee.
The utility model is achieved by the following technical solution:
A kind of storm sewer structure, comprises prefabricated rain water pipe joint, it is characterized in that: contiguous prefabricated rainwater tube coupling is end to end by polysulfide sealant, and have cement mortar at interface position outer application and be wound with gauze wire cloth; Prefabricated rain water pipe joint bottom is provided with prefabricated bearing, and prefabricated bearing is provided with arc contact surface, and the contact surface that prefabricated bearing and prefabricated rain water pipe save is provided with cement mortar.
The utility model adopts the prefabricated bearing with arc contact surface, the elevation of rain pipe and installation site is made to be easy to control, easy construction, in addition, arc contact surface fully can contact with prefabricated tubular pile, and on arc contact surface, cement mortar arranges the globality and stability that can improve structure; The setting of contiguous prefabricated rainwater tube coupling junction polysulfide sealant, substantially improves the closure of storm sewer, impermeability, has good technical benefits.
More excellent technical scheme of the present utility model is:
Described prefabricated rain water pipe joint is reinforced concrete structure, and prefabricated bearing is concrete prefabricated, and on prefabricated bearing, the radius of arc contact surface is identical with the external diameter that prefabricated rain water pipe saves.
The described prefabricated rain water pipe joint bottom symmetrical that often saves is provided with two groups of prefabricated bearings, and often organizing prefabricated bearing has symmetrical two, and on each prefabricated bearing, the arc length of arc contact surface is less than 1/4 girth of prefabricated rain water pipe joint.
Be provided with pre-dabbing in the described two prefabricated rain water pipe joint interface ranges connected, interface position gauze wire cloth is positioned at the outside of cement mortar, and the width of gauze wire cloth is identical with the width of cement mortar; The effect that gauze wire cloth outside pre-dabbing serves reinforcement improves the intensity of rain pipe junction.
The construction method of storm sewer structure described in the utility model, comprises the steps:
(1) rain pipe and bearing needed for designing requirement prefabrication, organizing construction's machinery is marched into the arena, and calculates bottom land elevation, prefabricated bearing elevation;
(2) adopt excavator carry out the excavation of groove and flatten, the bottom width of groove is determined according to caliber and soil property situation, adopts baby roller to carry out compacting to bottom land;
(3) by lifting machinery, prefabricated bearing is put into groove, prefabricated bearing is placed according to design altitude symmetry, and lays cement mortar on arc contact surface;
(4) the two ends flat mouth interface position of each prefabricated rain water pipe joint is carried out pre-dabbing and cleans;
(5) adopt lifting machinery by prefabricated rain water pipe joint be placed on prefabricated bearing, often save rain pipe be centrally located on same straight line;
(6) on the ring surface of prefabricated rain water pipe joint, smear polysulfide sealant, by adjacent rain pipe contact closely, outside pre-dabbing, carry out the construction of cement mortar, stick layer of steel wire net in the outside of cement mortar simultaneously;
(7) fill fine sand or medium coarse sand and compaction in layers, and carry out the construction of subsequent structural, to completing construction.
Its preferred technical scheme is:
In step (2), more than design bottom land elevation retain surplus and avoid digging super, surplus is by manually digging clearly.
In step (6), stick thin film outside gauze wire cloth and carry out maintenance.
In step (7), the backfill amount of fine sand or medium coarse sand is not less than prefabricated rain water pipe joint top 20cm, and during compaction in layers, every layer thickness is no more than 20cm.
The utility model make use of prefabricated rain water pipe joint and the rational combination of prefabricated bearing, and construction cost is low, easy construction, and speed of application is fast, and construction quality is easy to ensure, and then serves cost-saving effect.
(4) accompanying drawing explanation
Below in conjunction with accompanying drawing, the utility model is further described.
Fig. 1 is the structural representation of the utility model storm sewer;
Fig. 2 is the structural representation of the prefabricated bearing of the utility model;
Fig. 3 is the cross sectional representation at the adjacent lead spitter place of the utility model.
In figure, 1 prefabricated bearing, 2 prefabricated rain water pipe joints, 3 pre-dabbings, 4 polysulfide sealants, 5 cement mortar, 6 gauze wire cloths, 7 arc contact surfaces, 8 fine sands or medium coarse sand.
(5) detailed description of the invention
Below in conjunction with drawings and Examples, the present invention is described further.Although the present invention will be described in conjunction with preferred embodiment, should know, and not represent and limit the invention in described embodiment.On the contrary, the present invention will contain can be included in attached claims limit scope of the present invention in alternative, modified and equivalent.
Do not state tired in the present embodiment such as the lifting of the prefabrication of the precompose transport of rain pipe, reinforcing bar binding, bearing, rain pipe and bearing, emphasis sets forth the embodiment that the present invention relates to structure.
This example rain pipe external diameter is 1200mm, length is that 2000mm adopts reinforced concrete structure, concrete model is C25, prefabricated bearing 1 adopts C15 concrete, the radius of the arc contact surface 7 on prefabricated bearing 1 is consistent with the radius that prefabricated rain water pipe saves 2, is all 600mm, the thick 300mm of prefabricated bearing 1, two prefabricated bearing 1 symmetries are placed on the bottom of prefabricated rain water pipe joint 2, often save prefabricated rain water pipe joint 2 and support prefabricated bearing 1 by two.
Prefabricated bearing 1 and prefabricated rain water pipe are provided with cement mortar between saving 2, all employings No. 42.5 Portland cements of the cement mortar 5 outside this cement mortar and pre-dabbing 3.
The width that prefabricated rain water pipe saves the pre-dabbing 3 at 2 two ends is 50mm, and around whole prefabricated rain water pipe joint 2.
Gauze wire cloth 6 adopts 10mm × 10mm gauze wire cloth, and width is 100mm, and length is slightly larger than the girth of prefabricated rain water pipe joint 2.
Backfill medium coarse sand 8 outside prefabricated rain water pipe joint 2 and prefabricated bearing 1, the particle diameter of medium coarse sand 8 is 2-10mm.
The construction method of above-mentioned storm sewer structure, is characterized in that: comprise the following steps:
(1) prepare before construction: rain pipe and bearing needed for designing requirement prefabrication, organizing construction's machinery is marched into the arena, and calculates bottom land elevation, prefabricated bearing elevation;
(2) channel excavation: adopt excavator to carry out the excavation of groove, the bottom width of groove is determined according to caliber and soil property situation, more than design bottom land elevation retain 200mm surplus and avoid backbreaking, surplus by manually digging clearly, and carries out compacting with baby roller;
(3) the prefabricated bearing of making: prefabricated bearing 1 is put into groove by lifting machinery, often pair of prefabricated bearing 1 is placed according to design altitude symmetry, distance between often pair of prefabricated bearing is 1000mm, the distance that prefabricated bearing 1 saves 2 ends apart from prefabricated rain water pipe is 200mm, and lays cement mortar on arc contact surface 7;
(4) prefabricated rain water pipe joint interface dabbing: the two ends interface position of each prefabricated rain water pipe joint 2 is carried out pre-dabbing and forms pre-dabbing 3 and clean, the wide 50mm of pre-dabbing 3;
(5) prefabricated rain water pipe joint lifting: adopt lifting machinery 2 to be placed on prefabricated bearing 1 by prefabricated rain water pipe joint, what ensure often to save prefabricated rain water pipe joint 2 is centrally located on same straight line;
(6) interface process: smear polysulfide sealant 4 on the ring surface of prefabricated rain water pipe joint 2, adjacent rain pipe 2 is contacted closely, outside pre-dabbing 3, carry out cement mortar 5 smear band, stick layer of steel wire net 6 in the outside of cement mortar 5 simultaneously, thin film can be sticked outside gauze wire cloth 6 and carry out maintenance;
(7) trench backfill: fill medium coarse sand 8 and compaction in layers, the backfill amount of every layer should not be greater than 200mm, and backfill amount is simultaneously not less than prefabricated rain water pipe and saves 2 top 200mm;
(8) constructed: after backfill terminates, carry out successive projects construction according to design.
Claims (4)
1. a storm sewer structure, comprises prefabricated rain water pipe joint (2), it is characterized in that: contiguous prefabricated rainwater tube coupling (2) is end to end by polysulfide sealant (4), and have cement mortar (5) at interface position outer application and be wound with gauze wire cloth (6); Prefabricated rain water pipe joint (2) bottom is provided with prefabricated bearing (1), and prefabricated bearing (1) is provided with arc contact surface (7), and the contact surface that prefabricated bearing (1) and prefabricated rain water pipe save (2) is provided with cement mortar (5).
2. storm sewer structure according to claim 1, it is characterized in that: described prefabricated rain water pipe joint (2) is reinforced concrete structure, prefabricated bearing (1) is for concrete prefabricated, and the radius of the upper arc contact surface (7) of prefabricated bearing (1) saves (2) external diameter with prefabricated rain water pipe is identical.
3. storm sewer structure according to claim 1, it is characterized in that: described prefabricated rain water pipe joint (2) bottom symmetrical that often saves is provided with two groups of prefabricated bearings (1), often organize prefabricated bearing (1) and have symmetrical two, the arc length of the upper arc contact surface (7) of each prefabricated bearing (1) is less than 1/4 girth of prefabricated rain water pipe joint (2).
4. storm sewer structure according to claim 1, it is characterized in that: in described two prefabricated rain water pipe joint (2) interface ranges connected, be provided with pre-dabbing (3), interface position gauze wire cloth (6) is positioned at the outside of cement mortar (5), and the width of gauze wire cloth (6) is identical with the width of cement mortar (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520658355.XU CN205062982U (en) | 2015-08-28 | 2015-08-28 | Rainwater pipeline structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520658355.XU CN205062982U (en) | 2015-08-28 | 2015-08-28 | Rainwater pipeline structure |
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| Publication Number | Publication Date |
|---|---|
| CN205062982U true CN205062982U (en) | 2016-03-02 |
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| CN201520658355.XU Active CN205062982U (en) | 2015-08-28 | 2015-08-28 | Rainwater pipeline structure |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105113607A (en) * | 2015-08-28 | 2015-12-02 | 济南城建集团有限公司 | Rainwater pipeline structure and construction method thereof |
| CN106759786A (en) * | 2017-01-17 | 2017-05-31 | 温州市宏泰市政园林建设有限公司 | A kind of storm sewer structure and its construction method |
| CN111648456A (en) * | 2020-06-03 | 2020-09-11 | 中国十七冶集团有限公司 | Rough-alignment positioning installation tool for curve part of drain pipe and construction method of rough-alignment positioning installation tool |
-
2015
- 2015-08-28 CN CN201520658355.XU patent/CN205062982U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105113607A (en) * | 2015-08-28 | 2015-12-02 | 济南城建集团有限公司 | Rainwater pipeline structure and construction method thereof |
| CN106759786A (en) * | 2017-01-17 | 2017-05-31 | 温州市宏泰市政园林建设有限公司 | A kind of storm sewer structure and its construction method |
| CN111648456A (en) * | 2020-06-03 | 2020-09-11 | 中国十七冶集团有限公司 | Rough-alignment positioning installation tool for curve part of drain pipe and construction method of rough-alignment positioning installation tool |
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