CN102877541A - 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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- CN102877541A CN102877541A CN2012103630507A CN201210363050A CN102877541A CN 102877541 A CN102877541 A CN 102877541A CN 2012103630507 A CN2012103630507 A CN 2012103630507A CN 201210363050 A CN201210363050 A CN 201210363050A CN 102877541 A CN102877541 A CN 102877541A
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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 the building building technology field, relate in particular to a kind of drainage inspection well of controlling sedimentation and preparation method thereof.
Background technology
At present, drainage inspection well under urban road, all adopt common brick to build by laying bricks or stones or the cast in situs moulding, after road is handed over and is used a period of time, on road, thousands of drainage inspection wells all sink, form thousands of pits on road, only just there are 1,230,000 drainage inspection wells Wuhan City, and more than 100 ten thousand pits are arranged; Thereby produce following problem: 1, form the differential settlement of road and drainage inspection well, affect the application life of road and drainage inspection well, maintenance load is large, cost is high; 2, affect traffic safety; 3, large to the infringement of vehicle and tire, 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 leak, and accelerate the sedimentation of the soil body and drainage inspection well and pipe network, thereby further affect road and drainage inspection well result of use; 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 and can control drainage inspection well of sedimentation and preparation method thereof.
The present invention solves the problems of the technologies described above taked technical scheme to be:
Control the drainage inspection well of sedimentation, it is characterized in that, it comprises pit shaft, control the sedimentation base, described control sedimentation base connects the bottom of described pit shaft, the width of described control sedimentation base is greater than the width of described pit shaft, described control sedimentation base comprises Embedded Division, body, and control subsidence part, described Embedded Division is embedded in the bottom of described pit shaft inner chamber, described body is positioned at the below of described Embedded Division and is connected with described Embedded Division, described control subsidence part is stretched out by the outer wall of described body, the end face of described control subsidence part flushes with the bottom surface of described pit shaft, also offer a plurality of injected holes on the barrel of described pit shaft.
In such scheme, the bottom surface of described control subsidence part flushes with the bottom surface of described body, and the height of described control subsidence part is 15cm-60cm.
In such scheme, described pit shaft adopts the reinforced concrete prefabricated moulding that is integral with control sedimentation base
.
In such scheme, described control subsidence part is around the outer wall of described body.
In such scheme, described control subsidence part is hollow round table shape or drum, when being the hollow round table shape, the external diameter of described hollow round table is constantly to increase by well head to the direction of base, and the external diameter of described control subsidence part is than the wide 30cm-200cm of the external diameter of described pit shaft.
In such scheme, the cross section of described pit shaft is polygon.
In such scheme, described control subsidence part comprises a plurality of control sedimentation pieces, and the equally spaced outer wall around described body of described a plurality of control sedimentation pieces distributes, and described a plurality of control sedimentation pieces are in the same plane.
In such scheme, each longitudinal section of controlling the sedimentation piece is trapezoidal or rectangle, and each width of controlling the sedimentation piece is 15cm-100cm.
The preparation method of the drainage inspection well of described control sedimentation is characterized in that it comprises the steps:
1) prefabricated pit shaft is formed with a plurality of injected holes on the barrel of described prefabricated pit shaft;
2) described prefabricated pit shaft is positioned over to the precalculated position in ground;
3) cut the earth downwards in the bottom of prefabricated well tube inner chamber and form a reaming hole;
4) hydraulic underreamer is positioned in described reaming hole, described hydraulic underreamer is provided with at least two relative reaming plates, utilize described at least two relative reaming plates by the outside reaming of described reaming hole hole wall, form two first and control sedimentation hole, the prefabricated reinforced concrete piece is filled to described two first and controls in sedimentation hole;
5) repeating step 4), form again two second and control sedimentation hole, described two second are controlled in sedimentation hole and fill prefabricated reinforced concrete piece then repeating step 4), until the control sedimentation hole of all predetermined quantities forms one by one and fill complete when forming;
6) cast-in-situ steel reinforced concrete is filled to described reaming hole, reaches the bottom section that the prefabricated well tube inner chamber is connected with described reaming hole;
7) toward injected water mud in described a plurality of injected holes.
The preparation method of the drainage inspection well of described control sedimentation is characterized in that it comprises the steps:
1) prefabricated pit shaft is formed with a plurality of injected holes on the barrel of described prefabricated pit shaft;
2) described prefabricated pit shaft is positioned over to the precalculated position in ground;
3) cut the earth downwards in the bottom of prefabricated well tube inner chamber and form a reaming hole;
4) hydraulic underreamer is positioned in described reaming hole, described hydraulic underreamer is provided with at least two relative reaming plates, utilizes described at least two relative reaming plates by the outside reaming of described reaming hole hole wall, forms two first and controls sedimentation hole;
5) repeating step 4), the control sedimentation hole of formation predetermined quantity, then fill all control sedimentation holes with the prefabricated reinforced concrete piece in the lump;
6) cast-in-situ steel reinforced concrete is filled to described reaming hole, reaches the bottom section that the prefabricated well tube inner chamber is connected with described reaming hole;
7) toward injected water mud in described a plurality of injected holes.
Compared with prior art, the beneficial effect that the present invention obtains is:
1) adopting the outside reaming of hydraulic way, is the reaming of soil compaction type, has increased the compactness of foundation soil, has improved the bearing capacity of foundation soil, thereby can control the sedimentation of drainage inspection well;
Reaming of the present invention is to adopt hydraulic pressure to carry out in pairs top formula expanding method, the reaming that final form is discrete reaming or contiguous circumferential, rather than adopt artificial reaming, comparing artificial reaming has following difference: (1) reaming mode difference; 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 difference; Artificial reaming can't improve the compactness of foundation soil and the bearing capacity of foundation soil; Hydraulic pressure has increased the compactness of foundation soil to top formula expanding method, improved the bearing capacity of foundation soil, thereby can control the sedimentation of drainage inspection well;
2) due to control that the sedimentation base has increased and the soil body between contact area, therefore can increase the weight capacity of drainage inspection well, greatly improved the control effect of settling;
3) because reaming is to carry out below the bottom of prefabricated pit shaft, control the top of sedimentation base in well higher than the top outside well (be different from conventional base plate well inside and outside equally thick) simultaneously, be equivalent to for Double-bottom-plate, water resistance is better, and rigidity is larger;
4) be reserved with injected hole on barrel, utilize this injected hole can be outside well grouting in soil mass, effectively increase between the intensity of the soil body and the soil body and barrel in conjunction with tightness degree, thereby can further improve the control effect of settling of drainage inspection well;
5) owing to utilizing injected hole grouting in soil mass outside well, when having solidified the soil body, even occurring, pipe network leaks, to the softening degree of the soil body also much less, also played the effect that reduces sedimentation.
The accompanying drawing explanation
The sectional view of the drainage inspection well of the control sedimentation that Fig. 1 provides for the embodiment of the present invention one.
The stereogram of the drainage inspection well of the control sedimentation that Fig. 2 provides for the embodiment of the present invention one.
The stereogram of the drainage inspection well of the control sedimentation that Fig. 3 provides for the embodiment of the present invention two.
The stereogram of the drainage inspection well of the control sedimentation that Fig. 4 provides for the embodiment of the present invention three.
The structural representation that Fig. 5 is prefabricated pit shaft.
Fig. 6 is the working state figure that is formed with the reaming hole.
Fig. 7 is for being placed on hydraulic underreamer the working state figure in the reaming hole.
Fig. 8 is formed with the working state figure of controlling sedimentation hole.
The stereogram that Fig. 9 is hydraulic underreamer.
The specific embodiment
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 mono-
As depicted in figs. 1 and 2, it provides for the embodiment of the present invention one drainage inspection well of controlling sedimentation, and it comprises pit shaft 1 and controls sedimentation base 2.The width of controlling sedimentation base 2 is greater than the width of pit shaft 1.Controlling the sedimentation base comprises Embedded Division 3, body 4, reaches and control subsidence part 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 subsidence part 5 is stretched out by the outer wall of body 4, and the end face of controlling subsidence part 5 flushes with the bottom surface of pit shaft 1.Also offer a plurality of injected holes 6 on the barrel of pit shaft 1.The material of pit shaft 1 and control sedimentation 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 of control subsidence part 5 flushes with the bottom surface of body 4.In the present embodiment, the height of control subsidence part 5 is 15cm-60cm.
In the present embodiment, pit shaft 1 is one-body molded with control sedimentation base 2, and it can adopt by the method for template prefabricated reinforced concrete and make.
In the present embodiment, control the outer wall of subsidence part 5 around body 4.Controlling subsidence part 5 be the 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 is than the wide 30cm-200cm of the external diameter of pit shaft.
Embodiment bis-
As shown in Figure 3, the drainage inspection well of the control sedimentation that it provides for the embodiment of the present invention two, the drainage inspection well of the control sedimentation of it and embodiment mono-is roughly the same, and difference is to control subsidence part 7 for drum.In the present embodiment, control the external diameter of subsidence part 7 than the wide 30cm-200cm of the external diameter of pit shaft.
Embodiment tri-
As shown in Figure 4, the drainage inspection well of the control sedimentation that it provides for the embodiment of the present invention three, the drainage inspection well of the control sedimentation of it and embodiment mono-is roughly the same, and difference is to control subsidence part and comprises a plurality of control sedimentation pieces 8.In the present embodiment, the number of control sedimentation piece 8 is four.Be understandable that, the quantity that controls sedimentation piece 8 is not limited to four in the present embodiment, is preferably even number.Four control sedimentation piece 8 equally spaced outer walls around body are symmetrical, and four control sedimentation pieces 8 are in the same plane.In the present embodiment, each longitudinal section of controlling sedimentation piece 8 is trapezoidal.Be understandable that, each longitudinal section of controlling sedimentation piece 8 can be also rectangle or other shape.In the present embodiment, each width of controlling sedimentation piece 8 is 15cm-100cm.In the present embodiment, pit shaft 1 is one-body molded with control sedimentation base 2, and it can adopt by the method for template prefabricated reinforced concrete and make.
Embodiment tetra-
Drainage inspection well and the embodiment tri-of the control sedimentation in the present embodiment are roughly the same, but the preparation method difference, this preparation method comprises the steps:
1) as shown in Figure 5, prefabricated pit shaft 1, form a plurality of injected holes 6 on the barrel of prefabricated pit shaft 1, and this pit shaft 1 is without bottom structure;
2) prefabricated pit shaft 1 is positioned over to the precalculated position in ground;
3) as shown in Figure 6, cut the earth downwards from the bottom of prefabricated pit shaft 1 inner chamber and form a reaming hole 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 the hole wall outside reaming of at least two relative reaming plates 11 by reaming hole 9, forms two first and controls sedimentation hole 12;
5) adopt one of following two kinds of schemes:
The prefabricated reinforced concrete piece is filled to two first to be controlled in sedimentation hole 12, then repeating step 4), form again two second and control sedimentation hole, described two second are controlled in sedimentation hole and fill the prefabricated reinforced concrete piece, repeating step 4 again), until the control sedimentation hole of all predetermined quantities forms one by one and fill complete when forming;
Perhaps repeating step 4), the control sedimentation hole of formation predetermined quantity, then fill all control sedimentation holes with the prefabricated reinforced concrete piece 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(that are connected as shown in Figure 1 with reaming), in the upper and lower zone of prefabricated pit shaft 1 bottom, adopt reinforced concrete cast-in-situ to be integral, thereby obtain the drainage inspection well of control sedimentation as shown in Figure 4;
7) toward injected water mud in described a plurality of injected holes 6.
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 when construction the reaming plate and the angle on ground can be adjusted according to the shape and size in anti-settling hole, the number of reaming plate setting also can adjust accordingly according to construction process requirement.
Embodiment five
The structure of the drainage inspection well of the control sedimentation of the present embodiment is identical with embodiment mono-or embodiment bis-, but the preparation method difference, this preparation method comprises the steps:
1) as shown in Figure 5, prefabricated pit shaft 1, form a plurality of injected holes 6 on the barrel of prefabricated pit shaft 1, and this pit shaft 1 is without bottom structure;
2) prefabricated pit shaft 1 is positioned over to the precalculated position in ground;
3) as shown in Figure 6, cut the earth downwards from the bottom of prefabricated pit shaft 1 inner chamber and form a reaming hole 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, utilize the hole wall outside reaming of at least two relative reaming plates 11 by reaming hole 9, form two first and control sedimentation hole 12, the prefabricated reinforced concrete piece is filled to two first and controls in sedimentation hole 12;
5) repeating step 4), form again two second and control sedimentation hole, described two second are controlled in sedimentation hole and fill prefabricated reinforced concrete piece then repeating step 4), until the control sedimentation hole of all predetermined quantities forms one by one and fill complete when forming;
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(that are connected as shown in Figure 1 with reaming), in the upper and lower zone of prefabricated pit shaft 1 bottom, adopt reinforced concrete cast-in-situ to be integral, thereby obtain the drainage inspection well of control sedimentation as shown in Figure 2 or Figure 3;
7) toward injected water mud in described a plurality of injected holes 6.
In the present embodiment, on the whole hole wall in reaming hole 9, all outwards be formed with the control sedimentation hole, can form all-in-one-piece control subsidence part as shown in Figures 2 and 3.
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 when construction the reaming plate with the angle on ground, can be adjusted according to the shape and size of control sedimentation hole, the number of reaming plate setting also can adjust accordingly according to construction process requirement.
It should be noted that, the drainage inspection well in embodiment tetra-can adopt any scheme in the step 5) of embodiment tetra-to make; And the drainage inspection well in embodiment five only can be realized making by the scheme in the step 5) of the present embodiment.
The above; be only preferred embodiment of the present invention, not the present invention done to any pro forma restriction, 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 (10)
1. control the drainage inspection well of sedimentation, it is characterized in that, it comprises pit shaft, control the sedimentation base, described control sedimentation base connects the bottom of described pit shaft, the width of described control sedimentation base is greater than the width of described pit shaft, described control sedimentation base comprises Embedded Division, body, and control subsidence part, described Embedded Division is embedded in the bottom of described pit shaft inner chamber, described body is positioned at the below of described Embedded Division and is connected with described Embedded Division, described control subsidence part is stretched out by the outer wall of described body, the end face of described control subsidence part flushes with the bottom surface of described pit shaft, also offer a plurality of injected holes on the barrel of described pit shaft.
2. the drainage inspection well of control sedimentation as claimed in claim 1, is characterized in that, the bottom surface of described control subsidence part flushes with the bottom surface of described body, and the height of described control subsidence part is 15cm-60cm.
3. the drainage inspection well of control sedimentation as claimed in claim 1, is characterized in that, described pit shaft adopts the reinforced concrete prefabricated moulding that is integral with control sedimentation base
.
4. the drainage inspection well of control sedimentation as claimed in claim 1, is characterized in that, described control subsidence part is around the outer wall of described body.
5. the drainage inspection well of control sedimentation as claimed in claim 4, it is characterized in that, described control subsidence part is hollow round table shape or drum, when being the hollow round table shape, the external diameter of described hollow round table is constantly to increase by well head to the direction of base, and the external diameter of described control subsidence part is than the wide 30cm-200cm of the external diameter of described pit shaft.
6. the drainage inspection well of control sedimentation as claimed in claim 1, is characterized in that, the cross section of described pit shaft is polygon.
7. the drainage inspection well of control sedimentation as claimed in claim 1, it is characterized in that, described control subsidence part comprises a plurality of control sedimentation pieces, and the equally spaced outer wall around described body of described a plurality of control sedimentation pieces distributes, and described a plurality of control sedimentation pieces are in the same plane.
8. the drainage inspection well of control sedimentation as claimed in claim 7, is characterized in that, each longitudinal section of controlling the sedimentation piece is trapezoidal or rectangle, and each width of controlling the sedimentation piece is 15cm-100cm.
9. the preparation method of the drainage inspection well of control sedimentation as described as claim 1 to 8 any one, is characterized in that, it comprises the steps:
1) prefabricated pit shaft is formed with a plurality of injected holes on the barrel of described prefabricated pit shaft;
2) described prefabricated pit shaft is positioned over to the precalculated position in ground;
3) cut the earth downwards in the bottom of prefabricated well tube inner chamber and form a reaming hole;
4) hydraulic underreamer is positioned in described reaming hole, described hydraulic underreamer is provided with at least two relative reaming plates, utilize described at least two relative reaming plates by the outside reaming of described reaming hole hole wall, form two first and control sedimentation hole, the prefabricated reinforced concrete piece is filled to described two first and controls in sedimentation hole;
5) repeating step 4), form again two second and control sedimentation hole, described two second are controlled in sedimentation hole and fill the prefabricated reinforced concrete piece, or else disconnected repeating step 4), until the control sedimentation hole of all predetermined quantities forms one by one and fill complete when forming;
6) cast-in-situ steel reinforced concrete is filled to described reaming hole, reaches the bottom section that the prefabricated well tube inner chamber is connected with described reaming hole;
7) toward injected water mud in described a plurality of injected holes.
10. control as claimed in claim 7 or 8 the preparation method of the drainage inspection well of sedimentation, it is characterized in that, it comprises the steps:
1) prefabricated pit shaft is formed with a plurality of injected holes on the barrel of described prefabricated pit shaft;
2) described prefabricated pit shaft is positioned over to the precalculated position in ground;
3) cut the earth downwards in the bottom of prefabricated well tube inner chamber and form a reaming hole;
4) hydraulic underreamer is positioned in described reaming hole, described hydraulic underreamer is provided with at least two relative reaming plates, utilizes described at least two relative reaming plates by the outside reaming of described reaming hole hole wall, forms two first and controls sedimentation hole;
5) continuous repeating step 4), form the control sedimentation hole of predetermined quantity, then all control sedimentation holes are filled to the prefabricated reinforced concrete piece in the lump;
6) cast-in-situ steel reinforced concrete is filled to described reaming hole, reaches the bottom section that the prefabricated well tube inner chamber is connected with described reaming hole;
7) toward injected water mud in described a plurality of injected holes.
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| CN201210363050.7A CN102877541B (en) | 2012-09-26 | 2012-09-26 | Sedimentation-controlled water drainage inspection well and manufacturing method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| 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 true CN102877541A (en) | 2013-01-16 |
| CN102877541B CN102877541B (en) | 2015-05-20 |
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| JP2009024441A (en) * | 2007-07-23 | 2009-02-05 | Chuo Kaihatsu Kk | Floating prevention construction for underground structure |
| JP2009281001A (en) * | 2008-05-20 | 2009-12-03 | Chuo Kaihatsu Kk | Lift prevention method and buried structure for underground buried object |
| JP2010101118A (en) * | 2008-10-27 | 2010-05-06 | Japan Institute Of Wastewater Engineering Technology | Structure for preventing floating of underground structure |
| 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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| 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 |
| JP2008115681A (en) * | 2006-10-13 | 2008-05-22 | Cs Engineers:Kk | Uplift preventing structure of manhole, and uplift preventing method of manhole |
| JP2008144419A (en) * | 2006-12-07 | 2008-06-26 | Free Kogyo Kk | Structure of manhole |
| JP2008291563A (en) * | 2007-05-25 | 2008-12-04 | Hanex Co Ltd | Floating preventive manhole bottom slab, and prefabricated manhole constituted of floating preventive manhole bottom slab |
| JP2009024441A (en) * | 2007-07-23 | 2009-02-05 | Chuo Kaihatsu Kk | Floating prevention construction for underground structure |
| JP2009281001A (en) * | 2008-05-20 | 2009-12-03 | Chuo Kaihatsu Kk | Lift prevention method and buried structure for underground buried object |
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| CN102877541B (en) | 2015-05-20 |
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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. |