CN102877541B - Sedimentation-controlled water drainage inspection well and manufacturing method thereof - Google Patents
Sedimentation-controlled water drainage inspection well and manufacturing method thereof Download PDFInfo
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- CN102877541B CN102877541B CN201210363050.7A CN201210363050A CN102877541B CN 102877541 B CN102877541 B CN 102877541B CN 201210363050 A CN201210363050 A CN 201210363050A CN 102877541 B CN102877541 B CN 102877541B
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- control settlement
- reaming
- pit shaft
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Abstract
The invention provides a sedimentation-controlled water drainage inspection well comprising a shaft and a sedimentation controlling base. The sedimentation controlling base comprises an embedded portion, a body and a sedimentation controlling portion, wherein the embedded portion is embedded into the bottom of an inner cavity of the shaft, the body is arranged below the embedded portion and connected with the same, and the sedimentation controlling portion extends outwards from the outer wall of the body. The top surface of the sedimentation controlling portion is flush with the bottom surface of the shaft. A plurality of grouting holes are reserved on the wall of the shaft. The invention further provides a manufacturing method of the sedimentation-controlled water drainage inspection well. Contact area between the sedimentation controlling base and the earth is enlarged, so that bearing capability of the water drainage inspection well can be improved, and sedimentation prevention effect can be improved greatly. Further, the grouting holes are reserved on the wall of the shaft, grouting of the earth outside the inspection well can be realized by the aid of the grouting holes, strength of the earth as well as binding degree between the earth and the wall of the shaft is effectively improved, and thereby sedimentation prevention effect of the water drainage inspection well is improved further.
Description
Technical field
The invention belongs to technical field of civil, particularly relate to drainage inspection well of a kind of control settlement 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, to vehicle with tire infringement is large, noise is large, energy consumption is large, the high and not energy-conserving and environment-protective of cost; 4, drainage inspection well and pipe network water leakage, accelerates 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 drainage inspection well of a kind of energy control settlement and preparation method thereof.
The present invention for solving the problems of the technologies described above taked technical scheme is:
The drainage inspection well of control settlement, it is characterized in that, it comprises pit shaft, control settlement base, described control settlement base connects the bottom of described pit shaft, the width of described control settlement base is greater than the width of described pit shaft, described control settlement base comprises Embedded Division, body, and control settlement portion, described Embedded Division is embedded in the bottom of described pit shaft inner chamber, described body part is in the below of described Embedded Division and be connected with described Embedded Division, described control settlement portion is stretched out by the outer wall of described body, the end face in described control settlement portion flushes with the bottom surface of described pit shaft, the barrel of described pit shaft also offers multiple injected hole.
In such scheme, the bottom surface in described control settlement portion flushes with the bottom surface of described body, and the height in described control settlement portion is 15cm-60cm.
In such scheme, described pit shaft and control settlement base adopt reinforced concrete prefabricated integral shaping
.
In such scheme, described control settlement portion is around the outer wall of described body.
In such scheme, described control settlement portion is hollow round table shape or drum, when for hollow round table shape, the external diameter of described 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 in described control settlement portion.
In such scheme, the cross section of described pit shaft is polygon.
In such scheme, described control settlement portion comprises multiple control settlement block, and the equally spaced distribution of the outer wall around described body of described multiple control settlement block, described multiple control settlement block is in the same plane.
In such scheme, the longitudinal section of each control settlement block is trapezoidal or rectangle, and the width of each control settlement block is 15cm-100cm.
The preparation method of the drainage inspection well of described control settlement, is characterized in that, it comprises the steps:
1) prefabricated pit shaft, the barrel of described prefabricated pit shaft is formed with multiple injected hole;
2) described prefabricated pit shaft is positioned over the precalculated position in ground;
3) formation reaming of cutting the earth downwards in the bottom of prefabricated well tube inner chamber is cheated;
4) hydraulic underreamer is positioned in described reaming hole, 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 described reaming hole wall, form two the first control settlement holes, prefabricated reinforced concrete block is filled in described two the first control settlement holes;
5) step 4) is repeated, form two the second control settlement holes again, fill prefabricated reinforced concrete block by described two the second control settlement holes, then repeat step 4), until the control settlement hole of all predetermined quantities is formed one by one and fills complete while formation;
6) cast-in-situ steel reinforced concrete is filled to described reaming hole and prefabricated well tube inner chamber cheat with described reaming the bottom section be connected;
7) in described multiple injected hole, cement paste is injected.
The preparation method of the drainage inspection well of described control settlement, is characterized in that, it comprises the steps:
1) prefabricated pit shaft, the barrel of described prefabricated pit shaft is formed with multiple injected hole;
2) described prefabricated pit shaft is positioned over the precalculated position in ground;
3) formation reaming of cutting the earth downwards in the bottom of prefabricated well tube inner chamber is cheated;
4) be positioned over by hydraulic underreamer in described reaming hole, described hydraulic underreamer is provided with at least two relative reaming plates, and described in utilization, at least two relative reaming plates are by the outside reaming of described reaming hole wall, form two the first control settlement holes;
5) repeat step 4), form the control settlement hole of predetermined quantity, then prefabricated reinforced concrete block is filled in all control settlement holes in the lump;
6) cast-in-situ steel reinforced concrete is filled to described reaming hole and prefabricated well tube inner chamber cheat with described reaming the bottom section be connected;
7) in described multiple injected hole, cement paste is injected.
Compared with prior art, the beneficial effect that the present invention obtains is:
1) 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, thus the sedimentation of drainage inspection well can be controlled;
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 control the sedimentation of drainage inspection well;
2) because control settlement base increases the contact area between the soil body, therefore the weight capacity of drainage inspection well can be increased, substantially increase control settlement effect;
3) because reaming carries out below the bottom of prefabricated pit shaft, the top of control settlement base in well is higher than the top (being different from inside and outside conventional base plate well equally thick) outside well simultaneously, and be equivalent to for Double-bottom-plate, water resistance is better, and rigidity is larger;
4) barrel 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 control settlement effect of drainage inspection well can be improved further;
5) 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 control settlement that Fig. 1 provides for the embodiment of the present invention one.
The stereogram of the drainage inspection well of the control settlement that Fig. 2 provides for the embodiment of the present invention one.
The stereogram of the drainage inspection well of the control settlement that Fig. 3 provides for the embodiment of the present invention two.
The stereogram of the drainage inspection well of the control settlement that Fig. 4 provides for the embodiment of the present invention three.
Fig. 5 is the structural representation of prefabricated pit shaft.
Fig. 6 is the working state figure being formed with reaming hole.
Hydraulic underreamer is placed on the working state figure in reaming hole by Fig. 7.
Fig. 8 is the working state figure being formed with control settlement hole.
Fig. 9 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 depicted in figs. 1 and 2, it provides the drainage inspection well of control settlement for the embodiment of the present invention one, and it comprises pit shaft 1 and control settlement base 2.The width of control settlement base 2 is greater than the width of pit shaft 1.Control settlement base comprises Embedded Division 3, body 4 and control settlement portion 5.Embedded Division 3 is embedded in the bottom of pit shaft 1 inner chamber.Body 4 is positioned at the below of Embedded Division 3 and is connected with Embedded Division 3.Control settlement portion 5 is stretched out by the outer wall of body 4, and the end face in control settlement portion 5 flushes with the bottom surface of pit shaft 1.The barrel of pit shaft 1 also offers multiple injected hole 6.The material of pit shaft 1 and control settlement base 2 is steel concrete.In the present embodiment, pit shaft 1 is cylindrical shape.Be understandable that, the cross section of pit shaft 1 can also be polygon.
In the present embodiment, the bottom surface in control settlement portion 5 flushes with the bottom surface of body 4.In the present embodiment, the height in control settlement portion 5 is 15cm-60cm.
In the present embodiment, pit shaft 1 is one-body molded with control settlement base 2, and it can be adopted and be made by the method for template prefabricated reinforced concrete.
In the present embodiment, control settlement portion 5 is around the outer wall of body 4.Control settlement portion 5 is hollow round table shape, and the external diameter of this 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 pit shaft.
Embodiment two
As shown in Figure 3, the drainage inspection well of its control settlement provided for the embodiment of the present invention two, it is roughly the same with the drainage inspection well of the control settlement of embodiment one, and difference is that control settlement portion 7 is for drum.In the present embodiment, the external diameter in control settlement portion 7 30cm-200cm wider than the external diameter of pit shaft.
Embodiment three
As shown in Figure 4, the drainage inspection well of its control settlement provided for the embodiment of the present invention three, it is roughly the same with the drainage inspection well of the control settlement of embodiment one, and difference is that control settlement portion comprises multiple control settlement block 8.In the present embodiment, the number of control settlement block 8 is four.Be understandable that, the quantity of control settlement block 8 is not limited to four in the present embodiment, is preferably even number.Four equally spaced outer walls around body of control settlement block 8 are symmetrical, and four control settlement blocks 8 are in the same plane.In the present embodiment, the longitudinal section of each control settlement block 8 is trapezoidal.Be understandable that, the longitudinal section of each control settlement block 8 also can be rectangle or other shape.In the present embodiment, the width of each control settlement block 8 is 15cm-100cm.In the present embodiment, pit shaft 1 is one-body molded with control settlement base 2, and it can be adopted and be made by the method for template prefabricated reinforced concrete.
Embodiment four
The drainage inspection well of the control settlement in the present embodiment is roughly the same with embodiment three, but preparation method is different, and this preparation method comprises the steps:
1) as shown in Figure 5, prefabricated pit shaft 1, the barrel of prefabricated pit shaft 1 forms multiple injected hole 6, and this pit shaft 1 is without bottom structure;
2) prefabricated pit shaft 1 is positioned over the precalculated position in ground;
3) formation reaming of as shown in Figure 6, cutting the earth downwards from the bottom of prefabricated pit shaft 1 inner chamber cheats 9;
4) as shown in Figure 7 to 9, hydraulic underreamer 10 is positioned in reaming hole 9, hydraulic underreamer 10 is provided with at least two relative reaming plates 11, utilizes at least two relative reaming plates 11 to cheat the outside reaming of hole wall of 9 by reaming, forms two the first control settlement holes 12;
5) one of following two kinds of schemes are adopted:
Prefabricated reinforced concrete block is filled in two the first control settlement holes 12, then step 4) is repeated, form two the second control settlement holes again, prefabricated reinforced concrete block is filled by described two the second control settlement holes, repeat step 4) again, until the control settlement hole of all predetermined quantities is formed one by one and fills complete while formation;
Or repetition step 4), forms the control settlement hole of predetermined quantity, then prefabricated reinforced concrete block is filled in all control settlement holes in the lump;
6) cast-in-situ steel reinforced concrete is filled to reaming hole 9 and prefabricated pit shaft 1 inner chamber cheat the 9 bottom section 3(be connected as shown in Figure 1 with reaming), namely the upper and lower region bottom prefabricated pit shaft 1 adopts reinforced concrete cast-in-situ integral, thus obtains the drainage inspection well of control settlement as shown in Figure 4;
7) in described multiple injected hole 6, cement paste is injected.
In the present embodiment, the plate face of reaming plate 11 is arc, and reaming plate 11 can be stretched along axis direction 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 in anti-settling hole, the number that reaming plate is arranged also can adjust accordingly according to construction process requirement.
Embodiment five
The structure of the drainage inspection well of the control settlement of the present embodiment is identical with embodiment one or embodiment two, but preparation method is different, and this preparation method comprises the steps:
1) as shown in Figure 5, prefabricated pit shaft 1, the barrel of prefabricated pit shaft 1 forms multiple injected hole 6, and this pit shaft 1 is without bottom structure;
2) prefabricated pit shaft 1 is positioned over the precalculated position in ground;
3) formation reaming of as shown in Figure 6, cutting the earth downwards from the bottom of prefabricated pit shaft 1 inner chamber cheats 9;
4) as shown in Figure 7 to 9, hydraulic underreamer 10 is positioned in reaming hole 9, hydraulic underreamer 10 is provided with at least two relative reaming plates 11, at least two relative reaming plates 11 are utilized to cheat the outside reaming of hole wall of 9 by reaming, form two the first control settlement holes 12, prefabricated reinforced concrete block is filled in two the first control settlement holes 12;
5) step 4) is repeated, form two the second control settlement holes again, fill prefabricated reinforced concrete block by described two the second control settlement holes, then repeat step 4), until the control settlement hole of all predetermined quantities is formed one by one and fills complete while formation;
6) cast-in-situ steel reinforced concrete is filled to reaming hole 9 and prefabricated pit shaft 1 inner chamber cheat the 9 bottom section 3(be connected as shown in Figure 1 with reaming), namely the upper and lower region bottom prefabricated pit shaft 1 adopts reinforced concrete cast-in-situ integral, thus obtains the drainage inspection well of control settlement as shown in Figure 2 or Figure 3;
7) in described multiple injected hole 6, cement paste is injected.
In the present embodiment, on the whole hole wall in reaming hole 9, be all outwards formed with control settlement hole, all-in-one-piece control settlement portion as shown in Figures 2 and 3 can be formed.
In the present embodiment, the plate face of reaming plate 11 is arc, and reaming plate 11 can be stretched along axis direction 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 in control settlement hole, the number that reaming plate is arranged also can adjust accordingly according to construction process requirement.
It should be noted that, the drainage inspection well in embodiment four can adopt any one scheme in the step 5) of embodiment four to make; And the drainage inspection well in embodiment five only realizes making by the scheme in the step 5) of the present embodiment.
The above; be 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. the drainage inspection well of control settlement, it is characterized in that, it comprises pit shaft, control settlement base, described control settlement base connects the bottom of described pit shaft, the width of described control settlement base is greater than the width of described pit shaft, described control settlement base comprises Embedded Division, body, and control settlement portion, described Embedded Division is embedded in the bottom of described pit shaft inner chamber, described body part is in the below of described Embedded Division and be connected with described Embedded Division, described control settlement portion is stretched out by the outer wall of described body, the end face in described control settlement portion flushes with the bottom surface of described pit shaft, the barrel of described pit shaft also offers multiple injected hole, described control settlement portion comprises multiple control settlement block, the equally spaced distribution of the outer wall around described body of described multiple control settlement block, described multiple control settlement block is in the same plane, the formation method in described control settlement portion is: prefabricated pit shaft is positioned over the precalculated position in ground, formation reaming of cutting the earth downwards in the bottom of prefabricated well tube inner chamber is cheated, hydraulic underreamer is positioned in described reaming hole, 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 described reaming hole wall, form multiple control settlement hole, then multiple control settlement block is filled in multiple control settlement hole.
2. the drainage inspection well of control settlement as claimed in claim 1, it is characterized in that, the bottom surface in described control settlement portion flushes with the bottom surface of described body, and the height in described control settlement portion is 15cm-60cm.
3. the drainage inspection well of control settlement as claimed in claim 1, it is characterized in that, the cross section of described pit shaft is polygon.
4. the drainage inspection well of control settlement as claimed in claim 1, it is characterized in that, the longitudinal section of each control settlement block is trapezoidal or rectangle, and the width of each control settlement block is 15cm-100cm.
5. the preparation method of the drainage inspection well of control settlement as claimed in claim 1, it is characterized in that, it comprises the steps:
1) prefabricated pit shaft, the barrel of described prefabricated pit shaft is formed with multiple injected hole;
2) described prefabricated pit shaft is positioned over the precalculated position in ground;
3) formation reaming of cutting the earth downwards in the bottom of prefabricated well tube inner chamber is cheated;
4) hydraulic underreamer is positioned in described reaming hole, 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 described reaming hole wall, form two the first control settlement holes, prefabricated reinforced concrete block is filled in described two the first control settlement holes;
5) step 4) is repeated, form two the second control settlement holes again, prefabricated reinforced concrete block is filled, or else disconnected repetition step 4), until the control settlement hole of all predetermined quantities is formed one by one and fills complete while formation by described two the second control settlement holes;
6) cast-in-situ steel reinforced concrete is filled to described reaming hole and prefabricated well tube inner chamber cheat with described reaming the bottom section be connected;
7) in described multiple injected hole, cement paste is injected.
6. the preparation method of the drainage inspection well of control settlement as claimed in claim 1, it is characterized in that, it comprises the steps:
1) prefabricated pit shaft, the barrel of described prefabricated pit shaft is formed with multiple injected hole;
2) described prefabricated pit shaft is positioned over the precalculated position in ground;
3) formation reaming of cutting the earth downwards in the bottom of prefabricated well tube inner chamber is cheated;
4) be positioned over by hydraulic underreamer in described reaming hole, described hydraulic underreamer is provided with at least two relative reaming plates, and described in utilization, at least two relative reaming plates are by the outside reaming of described reaming hole wall, form two the first control settlement holes;
5) constantly repeat step 4), form the control settlement hole of predetermined quantity, then prefabricated reinforced concrete block is filled in all control settlement holes in the lump;
6) cast-in-situ steel reinforced concrete is filled to described reaming hole and prefabricated well tube inner chamber cheat with described reaming the bottom section be connected;
7) in described multiple injected hole, cement paste is injected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210363050.7A CN102877541B (en) | 2012-09-26 | 2012-09-26 | Sedimentation-controlled water drainage inspection well and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210363050.7A CN102877541B (en) | 2012-09-26 | 2012-09-26 | Sedimentation-controlled water drainage inspection well and manufacturing method thereof |
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| CN102877541A CN102877541A (en) | 2013-01-16 |
| CN102877541B true CN102877541B (en) | 2015-05-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210363050.7A Active CN102877541B (en) | 2012-09-26 | 2012-09-26 | Sedimentation-controlled water drainage inspection well and manufacturing method thereof |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4102088A (en) * | 1976-02-12 | 1978-07-25 | Gustav Keller | Manhole-pit lining and method of making and installing same |
| JP2007197989A (en) * | 2006-01-26 | 2007-08-09 | Tokyo Metropolitan Sewerage Service Corp | Structure for preventing lift of manhole |
| JP2008144419A (en) * | 2006-12-07 | 2008-06-26 | Free Kogyo Kk | Structure of manhole |
| JP2009281001A (en) * | 2008-05-20 | 2009-12-03 | Chuo Kaihatsu Kk | Lift prevention method and buried structure for underground buried object |
| CN102296509A (en) * | 2011-06-21 | 2011-12-28 | 北京航空航天大学 | Foundation treatment method for exactly regulating foundation settlement, and construction device |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4182130B2 (en) * | 2006-10-13 | 2008-11-19 | 株式会社シーエスエンジニアズ | Manhole levitation prevention structure and manhole levitation prevention method |
| JP4886596B2 (en) * | 2007-05-25 | 2012-02-29 | 株式会社ハネックス | Assembly type manhole composed of bottom plate for ascent prevention manhole and bottom plate for ascent prevention manhole |
| JP5039906B2 (en) * | 2007-07-23 | 2012-10-03 | 中央開発株式会社 | Structure to prevent floating of underground structures |
| JP5099558B2 (en) * | 2008-10-27 | 2012-12-19 | 財団法人下水道新技術推進機構 | Structure to prevent floating of underground structures |
-
2012
- 2012-09-26 CN CN201210363050.7A patent/CN102877541B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4102088A (en) * | 1976-02-12 | 1978-07-25 | Gustav Keller | Manhole-pit lining and method of making and installing same |
| JP2007197989A (en) * | 2006-01-26 | 2007-08-09 | Tokyo Metropolitan Sewerage Service Corp | Structure for preventing lift of manhole |
| JP2008144419A (en) * | 2006-12-07 | 2008-06-26 | Free Kogyo Kk | Structure of manhole |
| JP2009281001A (en) * | 2008-05-20 | 2009-12-03 | Chuo Kaihatsu Kk | Lift prevention method and buried structure for underground buried object |
| CN102296509A (en) * | 2011-06-21 | 2011-12-28 | 北京航空航天大学 | Foundation treatment method for exactly regulating foundation settlement, and construction device |
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| CN102877541A (en) | 2013-01-16 |
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Effective date of registration: 20201120 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. |