CN102877542B - Drainage inspection well capable of reducing sedimentation and manufacturing method for drainage inspection well - Google Patents
Drainage inspection well capable of reducing sedimentation and manufacturing method for drainage inspection well Download PDFInfo
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- CN102877542B CN102877542B CN201210363051.1A CN201210363051A CN102877542B CN 102877542 B CN102877542 B CN 102877542B CN 201210363051 A CN201210363051 A CN 201210363051A CN 102877542 B CN102877542 B CN 102877542B
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Abstract
The invention provides a drainage inspection well capable of reducing sedimentation. The drainage inspection well comprises a well body, a filling part and a sedimentation reducing part; the well body comprises a shaft and a foundation which is connected with the bottom of the shaft; the bottom of the shaft wall of the shaft is provided with reamed holes; the filling part is embedded into the reamed holes; the sedimentation reducing part extends outward from the outer wall of the filling part; the bottom surface of the sedimentation reducing part is flush with the upper surface of the foundation; and the shaft wall of the shaft is also provided with a plurality of grouting holes. The invention also provides a manufacturing method for the drainage inspection well capable of reducing sedimentation. Due to the sedimentation reducing part, the contact area of the drainage inspection well and a soil body is reduced, so that the bearing capacity of the drainage inspection well can be improved, and the sedimentation prevention effect can be greatly improved; the grouting holes are reserved on the shaft wall of the shaft, and the soil body outside the well can be grouted by using the grouting holes, so that the intensity of the soil body is effectively improved, and the tightness of combination between the soil body and the shaft wall is improved; and therefore, the sedimentation prevention effect of the drainage inspection well can be improved further.
Description
Technical field
The present invention relates to technical field of civil, particularly relate to a kind of drainage inspection well reducing sedimentation and preparation method thereof.
Background technology
At present, drainage inspection well under urban road, all adopt common brick build by laying bricks or stones or cast in situs shaping, after road is handed over and is used a period of time, on road, thousands of drainage inspection wells all sink, road is formed thousands of pits, and only just there are 1,230,000 drainage inspection wells Wuhan City, namely has more than 100 ten thousand pits; Thus produce following problem: the differential settlement 1, forming road and drainage inspection well, affect the application life of road and drainage inspection well, maintenance load is large, cost is high; 2, traffic safety is affected; 3, vehicle and tire are damaged greatly, noise is large, energy consumption is large, cost is high and not energy-conserving and environment-protective; 4, drainage inspection well and pipe network water leakage, the softening soil body can accelerate the sedimentation of the soil body and drainage inspection well and pipe network, thus affects road and drainage inspection well result of use further; 5, site work amount is large, long in time limit.
Summary of the invention
Technical problem to be solved by this invention is: provide a kind of can the drainage inspection well reducing sedimentation and preparation method thereof.
Reduce the drainage inspection well of sedimentation, it is characterized in that, it comprises well body, filling part and reduces subsidence part, described well body comprises pit shaft and connects the base of described pit shaft bottom, the bottom of described shaft wall offers reaming, and described filling part is embedded in described reaming, and described minimizing subsidence part stretches out from the outer wall of described filling part, the bottom surface of described minimizing subsidence part and the upper surface flush of described base, the barrel of described pit shaft also offers multiple injected hole.
In such scheme, the height of described minimizing subsidence part is 15cm-60cm.
In such scheme, described well body, filling part and minimizing subsidence part adopt reinforced concrete prefabricated integral shaping.
In such scheme, described reaming is annular, and described minimizing subsidence part is around described filling part outer wall.
In such scheme, described minimizing subsidence part is hollow round table shape or drum, when described minimizing subsidence part is hollow round table shape, the external diameter of hollow round table is constantly increase by well head to the direction of base, the external diameter 30cm-200cm wider than the external diameter of described pit shaft of described minimizing subsidence part.
In such scheme, the cross section of described pit shaft is polygon.
In such scheme, described reaming comprises multiple through hole, described multiple through hole is at equal intervals around distribution, described filling part comprises multiple filling block, described multiple filling block is filled in corresponding described multiple through hole, described minimizing subsidence part comprises multiple from corresponding filling block outer wall outward extending minimizing sedimentation block, and described multiple minimizing sedimentation block is in the same plane.
In such scheme, the longitudinal section of each minimizing sedimentation block is trapezoidal or rectangle, and the width of each minimizing sedimentation block is 15cm-100cm.
Reduce the preparation method of the drainage inspection well of sedimentation, it is characterized in that, it comprises the steps:
1) prefabricated well body, described well body comprises pit shaft and connects the base of described pit shaft bottom, and the bottom of described shaft wall offers multiple through hole, described multiple through hole at equal intervals around distribution, the bottom of each through hole all with the upper surface flush of described base;
2) described well body is positioned over the precalculated position in ground, well body top is higher than road surface 1 cm-12cm;
3) carry out precompressed to well body with predetermined pressure, until well body top and road surface are positioned at same absolute altitude, described predetermined pressure is 1-2 times of described drainage inspection well bearing capacity;
4) hydraulic underreamer is positioned over described susceptor surface, described hydraulic underreamer is provided with at least two relative reaming plates, described in utilization, at least two relative reaming plates are by the outside reaming of two the first through holes relative in described multiple through hole, form two first and reduce sedimentation holes;
5) one of following two kinds of schemes are adopted:
Prefabricated reinforced concrete block is filled in described two the first through holes and described two first minimizing sedimentation holes, then step 4) is repeated, form two second and reduce sedimentation hole, reduce sedimentation holes and two corresponding the second filling through hole prefabricated reinforced concrete blocks by described two second, until all minimizing sedimentation holes formed one by one and while being formed by described minimizing sedimentation hole and corresponding filling through hole complete;
Or repetition step 4), until all through holes all correspondence be formed with minimizing sedimentation hole, then by all through holes and reduce sedimentation hole fill prefabricated reinforced concrete block in the lump;
6) in described multiple injected hole, cement paste is injected.
In such scheme, the longitudinal section of each minimizing sedimentation hole is trapezoidal or rectangle.
Compared with prior art, the beneficial effect that the present invention obtains is:
1) described well body is positioned over the precalculated position in ground, well body top is higher than road surface 1 cm-12cm; Then with certain pressure, precompressed is carried out to well body, until well body top and road surface are positioned at same absolute altitude; Make the construction stage that is deposited in of drainage inspection well just complete major part, thus significantly can reduce the sedimentation between the drainage inspection well operating period;
Conventional construction method is by place for drainage inspection well once mounting, does not also carry out operation and the flow process of precompressed;
2) adopt the outside reaming of hydraulic way, be the reaming of soil compaction type, add the compactness of foundation soil, improve the bearing capacity of foundation soil, add loaded area simultaneously, thus the sedimentation between the drainage inspection well operating period can be reduced further;
Reaming of the present invention adopts hydraulic pressure to carry out in pairs top formula expanding method, and final form is the reaming of discrete reaming or contiguous circumferential, instead of adopts artificial reaming, and comparing artificial reaming has following difference: (1) reaming mode is different; Artificial reaming is non-soil compaction type reaming; The present invention adopts the outside reaming of hydraulic way, and hydraulic pressure is the reaming of soil compaction type to top formula reaming; (2) reaming effect is different; Artificial reaming cannot improve the compactness of foundation soil and the bearing capacity of foundation soil; Hydraulic pressure adds the compactness of foundation soil to top formula expanding method, improves the bearing capacity of foundation soil, thus can reduce the sedimentation of drainage inspection well;
3) because minimizing subsidence part increases the contact area between the soil body, therefore the weight capacity of drainage inspection well can be increased, greatly improve and reduce effect of settling;
4) because the top of top higher than well body base of subsidence part is reduced in pit shaft outside, be different from inside and outside conventional base plate and well equally thick, be equivalent to for Double-bottom-plate, water resistance is better, and rigidity is larger;
5) shaft wall is reserved with injected hole, utilizes this injected hole can to grouting in soil mass outside well, effectively increase the soil body intensity and between the soil body and barrel in conjunction with tightness degree, thus the minimizing effect of settling of drainage inspection well can be improved further;
6) owing to utilizing injected hole to grouting in soil mass outside well, while have cured the soil body, even if there is pipe network water leakage, to the softening degree also much less of the soil body, the effect reducing sedimentation is also served.
Accompanying drawing explanation
The sectional view of the drainage inspection well of the minimizing sedimentation that Fig. 1 provides for the embodiment of the present invention one.
The stereogram of the drainage inspection well of the minimizing sedimentation that Fig. 2 provides for the embodiment of the present invention one.
The top view of the drainage inspection well of the minimizing sedimentation that Fig. 3 provides for the embodiment of the present invention one.
The stereogram of the drainage inspection well of the minimizing sedimentation that Fig. 4 provides for the embodiment of the present invention two.
The stereogram of the drainage inspection well of the minimizing sedimentation that Fig. 5 provides for the embodiment of the present invention three.
Fig. 6 is the sectional view of prefabricated well body.
Fig. 7 will utilize hydraulic underreamer to form the working state figure reducing sedimentation hole.
Fig. 8 is the stereogram of hydraulic underreamer.
Detailed description of the invention
Below in conjunction with drawings and Examples, the invention will be further described, and certain following embodiment should not be construed as limitation of the present invention.
Embodiment one
As shown in Figure 1 to Figure 3, the drainage inspection well of its minimizing sedimentation provided for the embodiment of the present invention one, it comprises well body 1, filling part 2 and reduces subsidence part 3.Well body 1 comprises pit shaft 4 and connects the base 5 of pit shaft 4 bottom.The bottom of pit shaft 4 barrel offers reaming, and filling part 2 is embedded in this reaming.Reduce subsidence part 3 to stretch out from the outer wall of filling part 2.Reduce the bottom surface of subsidence part 3 and the upper surface flush of base 5.The height reducing subsidence part 3 is 15cm-60cm.The barrel of pit shaft 4 also offers multiple injected hole 6.The material of well body 1, filling part 2 and minimizing subsidence part 3 is steel concrete.
In the present embodiment, pit shaft 4 is cylindrical shape.Be understandable that, the cross section of pit shaft 4 can also be polygon.In the present embodiment, well body 1, filling part 2 and minimizing subsidence part 3 are one-body molded, can adopt and be obtained by the method for template prefabricated reinforced concrete.In the present embodiment, this reaming comprises multiple through hole, and the plurality of through hole is at equal intervals around distribution, and filling part 2 comprises multiple filling block, and the plurality of filling block is filled in corresponding multiple through hole.Reducing subsidence part 3 comprises multiple from corresponding filling block outer wall outward extending minimizing sedimentation block 7.In the present embodiment, the number reducing sedimentation block 7 is four.Be understandable that, the quantity of minimizing sedimentation block 7 is not limited to four in the present embodiment, is preferably even number.The width of each minimizing subsidence part 3 is 15cm-100cm.
Four minimizing sedimentation blocks 7 are in the same plane and symmetrical.In the present embodiment, the longitudinal section of each minimizing sedimentation block 7 is trapezoidal.The longitudinal section of each minimizing sedimentation block 7 also can be rectangle or other shape.
Embodiment two
As shown in Figure 4, the drainage inspection well of the minimizing sedimentation in the present embodiment is substantially identical with embodiment one, and difference is, reaming is annular, reduces subsidence part 8 around filling part outer wall.In the present embodiment, reducing subsidence part 8 be hollow round table shape, and the diameter of hollow round table is constantly increase by well head to the direction of base.In the present embodiment, the maximum outside diameter of hollow round table 30cm-200cm wider than the external diameter of described pit shaft.
Embodiment three
As shown in Figure 5, the drainage inspection well of the minimizing sedimentation in the present embodiment is substantially identical with embodiment two, and difference is, reducing subsidence part 9 is drum.In the present embodiment, the external diameter 30cm-200cm wider than the external diameter of described pit shaft of subsidence part 9 is reduced.
Embodiment four
The drainage inspection well of the minimizing sedimentation in the present embodiment is identical with embodiment one, but preparation method is different, and this preparation method comprises the steps:
1) as shown in Figure 6, prefabricated well body 1, well body 1 comprises pit shaft 4 and connects the base 5 of pit shaft 4 bottom, and the barrel of pit shaft 4 offers multiple through hole 10, the plurality of through hole 10, at equal intervals around distribution, the barrel of pit shaft 4 also offers multiple injected hole 6;
2) above-mentioned prefabricated well body 1 is positioned over the precalculated position in ground, well body top is higher than road surface 1-12cm;
3) carry out precompressed to well body 1 with predetermined pressure, until well body top and road surface are positioned at same absolute altitude, described predetermined pressure is 1-2 times of described drainage inspection well bearing capacity;
4) as shown in Figure 7 and Figure 8, hydraulic underreamer 11 is positioned over base 5 surface, hydraulic underreamer 11 is provided with at least two relative reaming plates 12.In the present embodiment, the quantity of reaming plate 12 is two, preferably more than the even number of two.Utilize two relative reaming plates 12 by two through holes relative in multiple through hole 10 outwards to top reaming, forms two first minimizing sedimentation holes 13;
5) one of following two kinds of schemes are adopted:
Prefabricated reinforced concrete block is filled in two the first through holes 10 and two first minimizing sedimentation holes 13, then step 4) is repeated, form two second and reduce sedimentation hole, these two second are reduced sedimentation holes and two corresponding the second filling through hole prefabricated reinforced concrete blocks, until all minimizing sedimentation holes formed one by one and while being formed by described minimizing sedimentation hole and corresponding filling through hole complete; Or
Repeat step 4), until all through holes all correspondence be formed with minimizing sedimentation hole, then by all through holes and reduce sedimentation hole fill prefabricated reinforced concrete block in the lump, namely obtain drainage inspection well as shown in Figure 2;
6) in multiple injected hole 6, cement paste is injected.
In the present embodiment, the plate face of reaming plate 12 is arc, and reaming plate 12 can be stretched along the direction towards through hole by expansion link.Be understandable that, the shape and size of reaming plate, and during construction, the angle on reaming plate and ground can adjust according to the shape and size reducing sedimentation hole, the number that reaming plate is arranged also can adjust accordingly according to construction process requirement.
The above; it is only preferred embodiment of the present invention; not do any pro forma restriction to the present invention, those skilled in the art utilize the technology contents of above-mentioned announcement to make a little simple modification, equivalent variations or modification, all drop in protection scope of the present invention.
Claims (6)
1. reduce the drainage inspection well of sedimentation, it is characterized in that, it comprises well body, filling part and minimizing subsidence part, described well body comprises pit shaft and connects the base of described pit shaft bottom, the bottom of described shaft wall offers reaming, described filling part is embedded in described reaming, described minimizing subsidence part stretches out from the outer wall of described filling part, the bottom surface of described minimizing subsidence part and the upper surface flush of described base, the barrel of described pit shaft also offers multiple injected hole, described filling part and minimizing subsidence part are one-shot formings, described well body and described filling part are shaping at twice with reducing subsidence part, described reaming comprises multiple through hole, described multiple through hole is at equal intervals around distribution, described filling part comprises multiple filling block, described multiple filling block is filled in corresponding described multiple through hole, described minimizing subsidence part comprises multiple from corresponding filling block outer wall outward extending minimizing sedimentation block, described multiple minimizing sedimentation block is in the same plane, the formation method of described minimizing subsidence part and filling part is: described well body is positioned over the precalculated position in ground, hydraulic underreamer is positioned over described susceptor surface, described hydraulic underreamer is provided with at least two relative reaming plates, described in utilization, at least two relative reaming plates are by the outside reaming of multiple through hole, form multiple minimizing sedimentation hole, all through holes and minimizing sedimentation hole are filled prefabricated reinforced concrete block in the lump.
2. the drainage inspection well reducing sedimentation as claimed in claim 1, it is characterized in that, the height of described minimizing subsidence part is 15cm-60cm.
3. the drainage inspection well reducing sedimentation as claimed in claim 1, it is characterized in that, the cross section of described pit shaft is polygon.
4. the drainage inspection well reducing sedimentation as claimed in claim 1, it is characterized in that, the longitudinal section of each minimizing sedimentation block is trapezoidal or rectangle, and the width of each minimizing sedimentation block is 15cm-100cm.
5. the preparation method reducing the drainage inspection well of sedimentation as claimed in claim 1, it is characterized in that, it comprises the steps:
1) prefabricated well body, described well body comprises pit shaft and connects the base of described pit shaft bottom, and the bottom of described shaft wall offers multiple through hole, described multiple through hole at equal intervals around distribution, the bottom of each through hole all with the upper surface flush of described base;
2) described well body is positioned over the precalculated position in ground, well body top is higher than road surface 1 cm-12cm;
3) carry out precompressed to well body with predetermined pressure, until well body top and road surface are positioned at same absolute altitude, described predetermined pressure is 1-2 times of described drainage inspection well bearing capacity;
4) hydraulic underreamer is positioned over described susceptor surface, described hydraulic underreamer is provided with at least two relative reaming plates, described in utilization, at least two relative reaming plates are by the outside reaming of two the first through holes relative in described multiple through hole, form two first and reduce sedimentation holes;
5) one of following two kinds of schemes are adopted:
Prefabricated reinforced concrete block is filled in described two the first through holes and described two first minimizing sedimentation holes, then step 4) is repeated, form two second and reduce sedimentation hole, reduce sedimentation holes and two corresponding the second filling through hole prefabricated reinforced concrete blocks by described two second, until all minimizing sedimentation holes formed one by one and while being formed by described minimizing sedimentation hole and corresponding filling through hole complete;
Or repetition step 4), until all through holes all correspondence be formed with minimizing sedimentation hole, then by all through holes and reduce sedimentation hole fill prefabricated reinforced concrete block in the lump;
6) in described multiple injected hole, cement paste is injected.
6. the preparation method reducing the drainage inspection well of sedimentation as claimed in claim 5, it is characterized in that, the longitudinal section of each minimizing sedimentation hole is trapezoidal or rectangle.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210363051.1A CN102877542B (en) | 2012-09-26 | 2012-09-26 | Drainage inspection well capable of reducing sedimentation and manufacturing method for drainage inspection well |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210363051.1A CN102877542B (en) | 2012-09-26 | 2012-09-26 | Drainage inspection well capable of reducing sedimentation and manufacturing method for drainage inspection well |
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| CN102877542A CN102877542A (en) | 2013-01-16 |
| CN102877542B true CN102877542B (en) | 2015-05-20 |
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| CN104452956B (en) * | 2014-11-18 | 2016-10-05 | 珠海市水通环保设备有限公司 | Porous pavement basic unit water storage module and manufacture method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007197989A (en) * | 2006-01-26 | 2007-08-09 | Tokyo Metropolitan Sewerage Service Corp | Structure for preventing lift of manhole |
| JP2009281001A (en) * | 2008-05-20 | 2009-12-03 | Chuo Kaihatsu Kk | Lift prevention method and buried structure for underground buried object |
| CN202298658U (en) * | 2011-10-26 | 2012-07-04 | 南京卓尔节水环保工程实业有限公司 | Anti-settlement integrated manhole |
| CN202370525U (en) * | 2011-12-28 | 2012-08-08 | 陕西煤业化工建设（集团）有限公司 | Post grouting construction structure of shaft wall of weathering bed rock section of return air vertical shaft |
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2012
- 2012-09-26 CN CN201210363051.1A patent/CN102877542B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007197989A (en) * | 2006-01-26 | 2007-08-09 | Tokyo Metropolitan Sewerage Service Corp | Structure for preventing lift of manhole |
| JP2009281001A (en) * | 2008-05-20 | 2009-12-03 | Chuo Kaihatsu Kk | Lift prevention method and buried structure for underground buried object |
| CN202298658U (en) * | 2011-10-26 | 2012-07-04 | 南京卓尔节水环保工程实业有限公司 | Anti-settlement integrated manhole |
| CN202370525U (en) * | 2011-12-28 | 2012-08-08 | 陕西煤业化工建设（集团）有限公司 | Post grouting construction structure of shaft wall of weathering bed rock section of return air vertical shaft |
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Effective date of registration: 20201124 Address after: No.28 Shuguang Xili, Chaoyang District, Beijing 100028 Patentee after: China Metallurgical Industry Co., Ltd Address before: 430081 No. 3 Industrial Road, Qingshan District, Hubei, Wuhan Patentee before: CHINA FIRST METALLURGICAL GROUP Co.,Ltd. |
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