CN101881083A - Construction method of sewage treatment improved continuous flow sequencing batch reaction tank - Google Patents
Construction method of sewage treatment improved continuous flow sequencing batch reaction tank Download PDFInfo
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- CN101881083A CN101881083A CN 201010223204 CN201010223204A CN101881083A CN 101881083 A CN101881083 A CN 101881083A CN 201010223204 CN201010223204 CN 201010223204 CN 201010223204 A CN201010223204 A CN 201010223204A CN 101881083 A CN101881083 A CN 101881083A
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- main body
- effluent weir
- reinforcing bar
- continuous flow
- sewage treatment
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Abstract
The invention provides a construction method of a sewage treatment improved continuous flow sequencing batch reaction tank, comprising seven process links of excavating earth, bedding layers, binding steel bars, erecting frameworks, pouring concrete, maintaining and refilling. The construction method is characterized in that in the link of binding steel bars, steel bars of an effluent weir well wall parallel to the ground extend inside the main body tank wall and are bound with the steel bars inside thereof, four buttress columns of the effluent weir underground main body tank are quadrangular, and the spacings among the buttress columns are respectively 2225mm, 1700mm and 2225mm. In the invention, a deformation joint between the main body tank and the effluent weir well is omitted, the tank main body and the effluent weir well are integrated, and water seepage is avoided after the sewage treatment improved continuous flow sequencing batch reaction tank is infused with sewage.
Description
Technical field:
The present invention is mainly used in the construction in sanitary sewage disposal pond.
Background technology:
At present, sewage treatment improved continuous flow sequencing batch reaction tank (MSBR) is the separate type construction, comprise earth excavation, bed course, tie up reinforcing bar, formwork, concrete are built, maintenance, seven process procedures of backfill, that is: MSBR tank main body construction and be backfilling into effluent weir shaft bottom absolute altitude ± (backfill degree of depth 6.27m) at 0.000 o'clock such as in construction, have only, begin to do the bed course (being the thick C15 concrete cushion of 100mm) of effluent weir well, carry out the construction of the base plate of effluent weir well on the C15 concrete cushion again, the bed course of effluent weir well stretches out base plate 100mm; MSBR main body pond concrete (base plate and pool wall) is C30S6, and impervious grade is S6, and the waterproof agent incorporation is 4% of a cement weight; Protective layer thickness: the 40mm of base plate lower floor, pool wall and base plate upper strata 25mm, buttress 30mm, aisle base plate 15mm; Connected mode shown in Figure 1 is adopted in being connected between main body pond and the effluent weir well, promptly connects as one by hard polystyrene cystosepiment and rubber fastening band between main body pool wall and the effluent weir well, and inner wall surface seals with the poly-sulphur sealing compound of two components.The following main body pond buttress of effluent weir well is triangular prism shaped.In practice, because main body pond and effluent weir well are two bodies, their sedimentation difference causes the concrete of tank main body and effluent weir well junction just to be torn soon after injecting sewage, and local the appearance seeps water.
Summary of the invention:
The crack takes place in the concrete for fear of tank main body and effluent weir well junction after injecting sewage, the present invention improves its job practices.
The present invention includes earth excavation, bed course, tie up reinforcing bar, formwork, concrete are built, maintenance, seven process procedures of backfill, it is characterized in that in tying up the link of reinforcing bar, the reinforcing bar parallel to the ground of effluent weir well wall is extend into the reinforcing bar of main body bay wall wall inboard, and reinforcing bar inboard with it bundles, main body pond buttress is four four prism types, and the buttress spacing is 2225-1700-2225mm.
The present invention has cancelled the deformation joint between main body pond and the effluent weir well, and tank main body becomes as a whole with the effluent weir well, and sewage treatment improved continuous flow sequencing batch reaction tank can not have water leakage after injecting sewage.
Description of drawings:
Fig. 1 is the structure chart of the connecting portion of the existing main body pond and the effluent weir borehole wall.
Fig. 2 is the structure chart of the connecting portion of the main body of the present invention pond and the effluent weir borehole wall.
Fig. 3 is reinforcing bar legend and code name.
Fig. 4 is the plan view of effluent weir well in the embodiment of the invention.
Fig. 5 be Fig. 3 along 3---the sectional drawing of 3 lines.
Fig. 6 is the reinforced concrete structure figure of effluent weir well in the embodiment of the invention.
Fig. 7 be Fig. 6 along 1---the reinforced concrete structure figure of 1 line.
Fig. 8 be Fig. 6 along 2---the reinforced concrete structure figure of 2 lines.
Fig. 9 is the base plate reinforced concrete slab structure figure of effluent weir well in the embodiment of the invention.
Figure 10 is a counterfort reinforced concrete post structure chart in main body pond in the embodiment of the invention.
Figure 11 is the reinforced concrete structure figure of A-A line among Figure 10.
Figure 12 is the reinforced concrete structure figure of B-B line among Figure 10.
1, main body pool wall, 2, rubber fastening band, 3, hard polystyrene cystosepiment, 4, the poly-sulphur sealing compound of two components, 5, reinforcing bar, 6, the effluent weir borehole wall, 7, main body pond outer wall reinforcing bar, 8, main body pond inwall reinforcing bar, 9, the main body pool wall is perpendicular to the reinforcing bar on ground, 1., 2. 3., 4., 5., 6., 7., 8., 9., 10.,
Be the reinforcing bar numbering.
The specific embodiment:
Embodiment: the main body pond length of this sewage treatment improved continuous flow sequencing batch reaction tank is 62050mm, width is 45900mm, highly be middle part 9400mm both sides 7400mm, the length of effluent weir well is 6400mm, width is 1750mm, highly be 3500mm, the base plate of effluent weir well is positioned at 3800mm rice of the base plate top in main body pond.Its job practices realizes by following step:
1, earth excavation: precipitation to-when 7000mm is following, soil excavation, foundation ditch is dark: 6270mm both sides, middle part 4270mm: opening size: long 71550mm * wide 52900mm, put sloping coefficient 0.75; Work plane 500mm.Dig to old soil.
2, bed course: C15 commercial concrete bed course, thick 100mm respectively grows base plate 100mm all around, the bed course size: long 63450mm * wide 47300mm.Main body pond base plate size: long 63250mm * wide 47100mm.
3, tie up reinforcing bar: process is as follows:
(1), quadrangular buttress reinforcing bar binding: after tank main body base plate and relevant pool wall reinforcing bar binding finish, promptly begin effluent weir down-hole portion quadrangular buttress reinforcing bar binding, 4 of this buttress quantity, spacing 2250mm-1750mm-2250mm is in the working drawing
Number reinforcing bar is respectively that the buttress two ends is vertical, side wall double-layer vertical and the vertical equity reinforcing bar, termination vertical and side wall double-layer vertical reinforcement top and the plate top reinforcement colligation of effluent weir shaft bottom, lower end and main body pond base plate lower floor reinforcing bar binding, the inboard reinforcing bar binding in vertical equity reinforcing bar and main body pond, anchorage length all should satisfy code requirement.
(2), scaffold building: near outside, main body pond, portion begins scaffolding in the effluent weir down-hole from main body Chi Diancengchu, and platform is established to the plate of effluent weir shaft bottom in the scaffold top, as the effluent weir well construction scope of operation.Scaffold height 3800mm, length 7900mm, width 2500mm, peripheral work plane 500mm.
(3), effluent weir well reinforcing bar binding: among the figure 1., 2. number reinforcing bar is respectively the horizontal and vertical reinforcing bar of effluent weir shaft bottom plate, the 2# longitudinal reinforcement inboard with main body pool wall medial shaft to reinforcing bar binding; 3., 4., 5., 6. number reinforcing bar is respectively vertical, the horizontal reinforcement of guide wall in the effluent weir well borehole wall and the well, vertical reinforcement bottom and shaft bottom plate lower floor reinforcing bar binding, two-layer horizontal reinforcement all with main body pool wall medial shaft to reinforcing bar binding; 7., 8. number reinforcing bar is " eight " word muscle (armpit angle lacing wire in the pond), with effluent weir borehole wall outside reinforcing bar binding; 9., 10. number reinforcing bar is an effluent weir well periphery aisle slab muscle.The anchorage length of all reinforcing bars all should satisfy code requirement.
Construction point explanation: the effluent weir well supports by the bottom buttress and shaft bottom plate, borehole wall horizontal reinforcement and main body pond become one, horizontal reinforcement necessary all with main body pool wall inboard reinforcing bar binding, anchorage length satisfies code requirement.Buttress can be held up main body pond pool wall, again as the pillar of effluent weir well, makes the effluent weir well become as a whole with the main body pond, has solved because the defective in the former design.
4, formwork: effluent weir well and tank main body and the attached while formwork plates such as guidance tape, buttress of walking also are the characteristics of this patent.
5, concrete is built: the C30S6 commercial concrete, and pumping, disposable continuous placing is not established constuction joint.Build in the process after the initial set of pond bottom board concrete, the receipts face also all applies lid with plastic foil.Winter temperature will be carried out heater by service below-5 ℃, pavilion, lights a fire or steam insulation
6, maintenance: built and begin to tear open the pool wall template after 24 hours, arranged regularly water seasoning of special messenger, in case of necessity with coverings such as straw mattresses, kept concrete moistening, curing time is carried out by standard.
7, pond leak test: all concrete workes are all finished, and after cleaning out in form removal, the pond, concrete strength reaches at 75% o'clock, can begin the water filling leak test.The scheme of should trying the water of trying the water, water filling be in strict accordance with code requirement, and can not a water filling too many, the marginal not waterside be measured and observed.
8, backfill: after leak test was finished, plain soil is backfilling compaction successively, and every layer of 300mm-500mm is to ± 0.000.
Claims (1)
1. the job practices of sewage treatment improved continuous flow sequencing batch reaction tank, comprise earth excavation, bed course, tie up reinforcing bar, formwork, concrete are built, maintenance, seven process procedures of backfill, it is characterized in that in tying up the link of reinforcing bar, the reinforcing bar parallel to the ground of effluent weir well wall is extend into the reinforcing bar of main body bay wall wall inboard, and reinforcing bar inboard with it bundles, main body pond, effluent weir down-hole buttress is four four prism types, and the buttress spacing is 2225-1700-2225mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102232043A CN101881083B (en) | 2010-07-07 | 2010-07-07 | Construction method of sewage treatment improved continuous flow sequencing batch reaction tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102232043A CN101881083B (en) | 2010-07-07 | 2010-07-07 | Construction method of sewage treatment improved continuous flow sequencing batch reaction tank |
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| Publication Number | Publication Date |
|---|---|
| CN101881083A true CN101881083A (en) | 2010-11-10 |
| CN101881083B CN101881083B (en) | 2011-10-12 |
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| CN2010102232043A Active CN101881083B (en) | 2010-07-07 | 2010-07-07 | Construction method of sewage treatment improved continuous flow sequencing batch reaction tank |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111467846A (en) * | 2020-04-22 | 2020-07-31 | 四川省商业建设有限责任公司 | Construction method of fine grating and rotational flow grit chamber |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3428077A (en) * | 1965-06-09 | 1969-02-18 | Marscar Ltd | Soil and surface water disposal system |
| CN201128700Y (en) * | 2008-04-03 | 2008-10-08 | 贵州省建筑设计研究院 | Integrated oxidation ditch for sewage disposal |
| CN201254729Y (en) * | 2008-05-23 | 2009-06-10 | 贵阳铝镁设计研究院 | Sewage tank foundation structure |
-
2010
- 2010-07-07 CN CN2010102232043A patent/CN101881083B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3428077A (en) * | 1965-06-09 | 1969-02-18 | Marscar Ltd | Soil and surface water disposal system |
| CN201128700Y (en) * | 2008-04-03 | 2008-10-08 | 贵州省建筑设计研究院 | Integrated oxidation ditch for sewage disposal |
| CN201254729Y (en) * | 2008-05-23 | 2009-06-10 | 贵阳铝镁设计研究院 | Sewage tank foundation structure |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111467846A (en) * | 2020-04-22 | 2020-07-31 | 四川省商业建设有限责任公司 | Construction method of fine grating and rotational flow grit chamber |
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| Publication number | Publication date |
|---|---|
| CN101881083B (en) | 2011-10-12 |
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