CN102296620B - Curtain water-stop slope wall and construction method thereof - Google Patents
Curtain water-stop slope wall and construction method thereof Download PDFInfo
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- CN102296620B CN102296620B CN201110159775XA CN201110159775A CN102296620B CN 102296620 B CN102296620 B CN 102296620B CN 201110159775X A CN201110159775X A CN 201110159775XA CN 201110159775 A CN201110159775 A CN 201110159775A CN 102296620 B CN102296620 B CN 102296620B
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- protection pile
- slope protection
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Abstract
The invention discloses a curtain water-stop slope wall and a construction method thereof, relating to a sheet-pile wall special for foundation engineering and a construction method of the sheet-pile wall. The invention aims at providing the curtain water-stop slope wall with the advantages of simple structure, low cost, good slope water-stop effect and convenience for construction, and a construction method of the curtain water-stop slope wall. The curtain water-stop slope wall disclosed by the invention comprises a plurality of reinforced concrete prefabricated panels which are arranged next to the slope, and the two panels which are adjacent left and right in the horizontal direction are fixed on the slope through at least one prestressed anchor rod.
Description
Technical field
The present invention relates to a kind of sheet pile wall and job practices thereof of Foundation Design special use, particularly relate to a kind of sealing slope wall and job practices thereof that adopts prefabricated units.
Background technology
In the process of Foundation Design excavation, cave in or seep water in order to prevent the domatic of excavation, carry out protective treatment to domatic, present normally used sealing bank protecting method has water-stop curtain between anchor anchor bank protection, soil nail wall, diaphragm wall and slope protection pile.Wherein anchor anchor bank protection is to do row's castinplace pile at the domatic place of design in advance before excavation, Zhi Danghou excavation, prestress anchorage cable is squeezed on excavation limit, limit in domatic, when being called rigid, work as for this, when stable, be out of shape little, but construction cost is larger, the duration is longer.Soil nail wall is first to excavate to do afterwards to prop up to work as, at domatic excavation after certain depth, generally two meters left and right, equating is domatic, squeezes into soil nailing in domatic, then assembling reinforcement net on domatic, follow sprayed mortar at the scene, after concrete setting, continue excavation downwards, this method requires the foundation ditch place to want spacious; The weight capacity of side slope is poor, and distortion is large; All process steps is open work at the scene all, and season and weather are very large on the impact of workmanship; Duration is longer, and cost of labor is higher.Diaphragm wall is that the periphery along foundation ditch digs out a face wall in advance by diaphragm wall grab machine before foundation ditch does not excavate, then the reinforcing cage net is put within the walls, then penetration concrete forms a reinforced concrete wall, excavated afterwards again, work as the method good stability for this, globality is strong, multiplex in dark and the large foundation ditch of the water yield, but its cost is too high, and the duration is oversize, application is not very extensive.Between slope protection pile, water-stop curtain is after carrying out anchor anchor bank protection, by the mode of high-pressure rotary-spray, cement paste is covered between stake and stake and forms water-stop curtain, stagnant water effect is better, but this method is very high to stratum soil property and workman's technical requirements, careless slightlyly will produce the water-stop curtain drainage, the appearance of this phenomenon is very unmanageable, deals with more serious consequences such as can causing a large amount of drift sands, land subsidence improperly, and the cost of sealing is also higher.
Summary of the invention
The technical problem to be solved in the present invention be to provide a kind of simple in structure, cost is low, recoverable, the bank protection stagnant water effect is good, the curtain water-stop slope wall of easy construction and job practices thereof.
Curtain water-stop slope wall of the present invention, comprise some blocks of reinforced concrete prefabricated wallboards, and described wallboard is close to domatic setting, on horizontal direction between the adjacent two blocks of wallboards in left and right by least one prestressed anchor be fixed on domatic on.
Curtain water-stop slope wall of the present invention, the plate face of wherein said wallboard is to the arch of line of slope bending, and the thickness of wallboard is in the middle of the left and right sides is greater than.
Curtain water-stop slope wall of the present invention, the injected hole connected before and after offering on the plate face near the left and right side on wherein said wallboard.
Curtain water-stop slope wall of the present invention, on wherein said horizontal direction, two blocks of adjacent wallboards of left and right contact, contacted part offers and is suitable for the through hole that prestressed anchor passes, above-mentioned two blocks of wallboards are provided with anchor slab on domatic one side, and the outer end of described prestressed anchor is fixedly connected with anchor slab.
Curtain water-stop slope wall of the present invention, the wherein said wallboard left and right sides is trapezoidal boss back to being provided with cross section on domatic one side, be close on domatic one side that to be provided with cross section be semicircle reinforcing rib, the shape of cross section of described anchor slab is the applicable opening grooved that holds two adjacent lands.
Curtain water-stop slope wall of the present invention, be provided with two vertical slope protection pile between the adjacent two blocks of wallboards in left and right on wherein said horizontal direction, the left and right sides of described wallboard are the arcwall face of indent, the intimate laminating of the slope protection pile that described arcwall face is adjacent with one of them, described two slope protection pile are provided with backing plate back to a domatic side, and the outer end of described prestressed anchor passes with backing plate and is fixedly connected with from the gap between two slope protection pile.
The job practices of curtain water-stop slope wall of the present invention, carry out in accordance with the following steps:
A, use reinforcing bar and concrete prefabricated wallboard;
B, excavate domaticly, while digging height that be applicable to lay row's wallboard, repaiied slope;
C, according to suitable interval at the some prestressed anchors of domatic interior installation;
D, prefabricated wallboard is laid on domatic upper, anchor slab is pressed on adjacent two contacted sides of wallboard, then the outer end of prestressed anchor and anchor slab are fixed together;
E, lay after row's wallboard and continue that excavation is domatic downwards, repeat above-mentioned process of deployment until reach the domatic height of design.
The job practices of curtain water-stop slope wall of the present invention, in wherein said step D or step e, after having laid every row's wallboard or having laid complete domatic all wallboards, inject concrete slurry from injected hole to wallboard and between domatic and reinforced waterproofing work.
The job practices of curtain water-stop slope wall of the present invention, carry out in accordance with the following steps:
A, use reinforcing bar and concrete prefabricated wallboard;
B, along design excavation, on domatic direction, squeeze into straight down some groups of slope protection pile, two every group, the degree of depth of slope protection pile is greater than domatic design height, and the spacing of described two adjacent groups slope protection pile equals wallboard left and right width;
C, domatic along excavation under a side direction of slope protection pile, the excavation process in to the some prestressed anchors of domatic interior installation, described prestressed anchor is arranged between every group of two slope protection pile, in the outer end of prestressed anchor, is fixedly connected with upper padding plate, and makes backing plate be close to the external surface of two slope protection pile;
D, in the process of downward excavation, wallboard is inserted between the two adjacent groups slope protection pile from the top down, the left and right side and the slope protection pile that are wallboard fit tightly, along with domatic constantly to downward-extension, the wallboard be arranged between slope protection pile moves down along slope protection pile, and wallboard is continued to insert in the position of slope protection pile top vacancy;
E, when excavation, stop excavation during to domatic design height, at the bottom of the wallboard below making falls to slope, in the vacant locations above slope protection pile, interpolation enters wallboard.
The job practices of curtain water-stop slope wall of the present invention, after wherein said step e completes, inject concrete slurry from injected hole to wallboard and between domatic and reinforced waterproofing work, and inject concrete slurry in the gap between every group of two slope protection pile and reinforced waterproofing work.
Curtain water-stop slope wall difference from prior art of the present invention is that curtain water-stop slope wall of the present invention adopts prefabricated reinforced concrete wall panel, after excavation is domatic, by wallboard by prestressed anchor be fixed on domatic on, the slope wall formed with prestressed anchor and prefabricated panel is simple in structure, easy construction, cost is low, and the duration is short, and has stagnant water effect preferably.
The injected hole of offering on the wallboard of curtain water-stop slope wall of the present invention, purpose be for to wallboard and domatic between concrete perfusion, reach the purpose of further reinforcing and sealing.
Below in conjunction with accompanying drawing, curtain water-stop slope wall of the present invention and job practices thereof are described further.
The accompanying drawing explanation
The stereogram that Fig. 1 is curtain water-stop slope wall the first embodiment deadlight of the present invention;
The stereogram that Fig. 2 is anchor slab in curtain water-stop slope wall the first embodiment of the present invention;
The stereogram that Fig. 3 is curtain water-stop slope wall the first embodiment of the present invention;
The stereogram that Fig. 4 is curtain water-stop slope wall the second embodiment deadlight of the present invention;
The stereogram that Fig. 5 is curtain water-stop slope wall the second embodiment of the present invention.
The specific embodiment
The first embodiment that Fig. 1 to Fig. 3 is curtain water-stop slope wall of the present invention, comprise some blocks of reinforced concrete prefabricated wallboards 1, wallboard 1 is substantially rectangular, the plate face of wallboard 1 is to the arch of line of slope bending, the wallboard 1 of arch is in order to increase to domatic thrust, can be also flat board, the injected hole 4 connected before and after offering on the plate face near the left and right side on wallboard 1.Wallboard 1 is close to domatic setting, and wallboard 1 left and right sides is trapezoidal boss 6 back to being provided with cross section on domatic one side, is close on domatic one side that to be provided with cross section be semicircle reinforcing rib 7.On horizontal direction, two blocks of adjacent wallboards 1 of left and right contact, and contacted part offers and is suitable for the through hole that prestressed anchor 3 passes, prestressed anchor 3 be fixed on domatic in.Above-mentioned two blocks of wallboards 1 are provided with anchor slab 5 on domatic one side, and the shape of cross section of anchor slab 5 is the opening grooved, and by two adjacent lands, 6 parcels within it, the outer end of prestressed anchor 3 is fixedly connected with anchor slab 5.
The job practices of the curtain water-stop slope wall of present embodiment is carried out in accordance with the following steps:
The first step, with reinforcing bar and concrete prefabricated wallboard 1 as shown in Figure 1.
Second step, excavate domaticly, while digging height that be applicable to lay row's wallboard 1, repaiied slope.
The 3rd step, according to suitable interval at the some prestressed anchors 3 of domatic interior installation.
The 4th step, prefabricated wallboard 1 is laid on domatic upper, anchor slab 5 is pressed on adjacent two contacted sides of wallboard 1, then the outer end of prestressed anchor 3 and anchor slab 5 are fixed together.
The 5th step, downwards excavation is domatic to lay the rear continuation of row's wallboard 1, repeats above-mentioned process of deployment until reach the domatic height of design.After laying completes, from injected hole 4 to wallboard 1 and domatic between inject concrete slurry and reinforced waterproofing work.
The second embodiment that Fig. 4 and Fig. 5 are curtain water-stop slope wall of the present invention, comprise some blocks of reinforced concrete prefabricated wallboards 1, wallboard 1 is substantially rectangular, the plate face of wallboard 1 is to the arch of domatic 2 direction bendings, and the intermediate thin both sides of wallboard 1 are thick, the injected hole 4 connected before and after offering on the plate face near the left and right side on wallboard 1.Wallboard 1 is close to domatic 2 and is arranged, be provided with two vertical slope protection pile 8 between the adjacent two blocks of wallboards 1 in left and right on horizontal direction, the left and right sides of wallboard 1 are the arcwall face of indent, the intimate laminating of the slope protection pile 8 that arcwall face is adjacent with one of them, two slope protection pile 8 are provided with backing plate 9 back to a side of domatic 2, and the outer end of prestressed anchor 3 passes with backing plate 9 and is fixedly connected with from the gap between two slope protection pile 8.
The job practices of the curtain water-stop slope wall of present embodiment is carried out in accordance with the following steps:
The first step, with reinforcing bar and concrete prefabricated wallboard 1 as shown in Figure 4.
Second step, on the direction of design excavation domatic 2, squeeze into straight down some groups of slope protection pile 8, two every group, the design height that the degree of depth of slope protection pile 8 is greater than domatic 2, the spacing of two adjacent groups slope protection pile 8 equals wallboard 1 left and right width.
The 3rd step, along excavation domatic 2 under a side direction of slope protection pile 8, the excavation process in to the some prestressed anchors 3 of domatic 2 interior installation, prestressed anchor 3 is arranged between every group of two slope protection pile 8, be fixedly connected with upper padding plate 9 in the outer end of prestressed anchor 3, and make backing plate 9 be close to the external surface of two slope protection pile 8.
The 4th step, in the process of downward excavation, wallboard 1 is inserted between two adjacent groups slope protection pile 8 from the top down, the left and right side and the slope protection pile 8 that are wallboard 1 fit tightly, along with domatic 2 constantly to downward-extension, the wallboard 1 be arranged between slope protection pile 8 moves down along slope protection pile 8, and wallboard 1 is continued to insert in the position of slope protection pile 8 top vacancies.
The 5th step, when excavation, stop excavation during to domatic 2 design height, at the bottom of the wallboard 1 below making falls to slope, in the vacant locations above slope protection pile 8, interpolation enters wallboard 1.Finally from injected hole 4 to wallboard, between 1 and domatic 2, inject concrete slurry and reinforced waterproofing work, and inject concrete slurry in the gap between every group of two slope protection pile 8 and reinforced waterproofing work.
Above-described embodiment is described the preferred embodiment of the present invention; not scope of the present invention is limited; design under the prerequisite of spirit not breaking away from the present invention; various distortion and improvement that those of ordinary skills make technical scheme of the present invention, all should fall in the definite protection domain of the claims in the present invention book.
Claims (7)
1. a curtain water-stop slope wall, it is characterized in that: comprise some blocks of reinforced concrete prefabricated wallboards (1), described wallboard (1) is close to domatic (2) and is arranged, on horizontal direction, between the adjacent two blocks of wallboards (1) in left and right, by least one prestressed anchor (3), be fixed on domatic (2), the plate face of described wallboard (1) is to the arch of domatic (2) direction bending, and the thickness of wallboard (1) is in the middle of the left and right sides is greater than, the injected hole (4) connected before and after offering on the upper plate face near the left and right side of described wallboard (1), on described horizontal direction, the adjacent two blocks of wallboards (1) in left and right contact, contacted part offers and is suitable for the through hole that prestressed anchor (3) passes, above-mentioned two blocks of wallboards (1) are provided with anchor slab (5) on the one side of domatic (2), the outer end of described prestressed anchor (3) is fixedly connected with anchor slab (5).
2. curtain water-stop slope wall according to claim 1, it is characterized in that: described wallboard (1) left and right sides is trapezoidal boss (6) back to being provided with cross section on the one side of domatic (2), be close to that to be provided with cross section on the one side of domatic (2) be semicircle reinforcing rib (7), the shape of cross section of described anchor slab (5) is the applicable opening grooved that holds two adjacent lands (6).
3. a curtain water-stop slope wall, it is characterized in that: comprise some blocks of reinforced concrete prefabricated wallboards (1), described wallboard (1) is close to domatic (2) and is arranged, on horizontal direction, between the adjacent two blocks of wallboards (1) in left and right, by least one prestressed anchor (3), be fixed on domatic (2), the plate face of described wallboard (1) is to the arch of domatic (2) direction bending, and the thickness of wallboard (1) is in the middle of the left and right sides is greater than, the injected hole (4) connected before and after offering on the upper plate face near the left and right side of described wallboard (1), be provided with two vertical slope protection pile (8) between the adjacent two blocks of wallboards (1) in left and right on described horizontal direction, the left and right sides of described wallboard (1) are the arcwall face of indent, the intimate laminating of the slope protection pile (8) that described arcwall face is adjacent with one of them, described two slope protection pile (8) are provided with backing plate (9) back to a side of domatic (2), the outer end of described prestressed anchor (3) passes with backing plate (9) and is fixedly connected with from the gap between two slope protection pile (8).
4. the job practices of a curtain water-stop slope wall as claimed in claim 2, carry out in accordance with the following steps:
A, use reinforcing bar and concrete prefabricated wallboard (1);
B, excavate domatic (2), dig while being applicable to laying the height of row's wallboard (1), repaiied slope;
C, some prestressed anchors (3) are installed in domatic (2) according to suitable interval;
D, that prefabricated wallboard (1) is laid on to domatic (2) is upper, and anchor slab (5) is pressed on the contacted side of adjacent two blocks of wallboards (1), then the outer end of prestressed anchor (3) and anchor slab (5) is fixed together;
E, lay after row's wallboard (1) and continue excavation domatic (2) downwards, repeat above-mentioned process of deployment until reach the domatic height of design.
5. the job practices of curtain water-stop slope wall according to claim 4, it is characterized in that: in described step D or step e, after having laid every row's wallboard (1) or having laid all wallboards (1) of complete domatic (2), inject concrete slurry from injected hole (4) to wallboard (1) and between domatic (2) and reinforced waterproofing work.
6. the job practices of a curtain water-stop slope wall as claimed in claim 3, carry out in accordance with the following steps:
A, use reinforcing bar and concrete prefabricated wallboard (1);
B, on the direction of design excavation domatic (2), squeeze into straight down some groups of slope protection pile (8), every group two, the degree of depth of slope protection pile (8) is greater than the design height of domatic (2), and the spacing of described two adjacent groups slope protection pile (8) equals wallboard (1) left and right width;
C, along excavation domatic (2) under a side direction of slope protection pile (8), in domatic (2), some prestressed anchors (3) are installed in the process of excavation, described prestressed anchor (3) is arranged between two every group slope protection pile (8), be fixedly connected with upper padding plate (9) in the outer end of prestressed anchor (3), and make backing plate (9) be close to the external surface of two slope protection pile (8);
D, in the process of downward excavation, wallboard (1) is inserted between two adjacent groups slope protection pile (8) from the top down, the left and right side and the slope protection pile (8) that are wallboard (1) fit tightly, along with domatic (2) constantly to downward-extension, the wallboard (1) be arranged between slope protection pile (8) moves down along slope protection pile (8), and wallboard (1) is continued to insert in the position of slope protection pile (8) top vacancy;
E, when excavation, stop excavation during to the design height of domatic (2), make at the bottom of the wallboard (1) of below falls to slope, in the vacant locations above slope protection pile (8), interpolation enters wallboard (1).
7. the job practices of curtain water-stop slope wall according to claim 6, it is characterized in that: after described step e completes, inject concrete slurry from injected hole (4) to wallboard (1) and between domatic (2) and reinforced waterproofing work, and inject concrete slurry in the gap between two every group slope protection pile (8) and reinforced waterproofing work.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110159775XA CN102296620B (en) | 2011-06-14 | 2011-06-14 | Curtain water-stop slope wall and construction method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110159775XA CN102296620B (en) | 2011-06-14 | 2011-06-14 | Curtain water-stop slope wall and construction method thereof |
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| Publication Number | Publication Date |
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| CN102296620A CN102296620A (en) | 2011-12-28 |
| CN102296620B true CN102296620B (en) | 2013-12-04 |
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| CN201110159775XA Expired - Fee Related CN102296620B (en) | 2011-06-14 | 2011-06-14 | Curtain water-stop slope wall and construction method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11891770B2 (en) | 2021-04-12 | 2024-02-06 | Cmi Limited Co. | Catenary panel retaining wall |
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| CN110067255A (en) * | 2019-06-06 | 2019-07-30 | 上海智平基础工程有限公司 | The ultra-thin water stop curtain structure with ribbing of one kind and its construction method |
| CN112095632A (en) * | 2020-08-21 | 2020-12-18 | 贵州大学 | Pile-arch combined retaining structure and construction method thereof |
| CN113789802B (en) * | 2021-08-10 | 2022-12-23 | 福建省泷澄建设集团有限公司 | Clay waterproof curtain wall |
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| CN1196426A (en) * | 1997-04-14 | 1998-10-21 | 中国建筑科学研究所珠海科研设计部 | Construction method for inversion underground continuous wall |
| CN101239484A (en) * | 2007-02-06 | 2008-08-13 | 李宪奎 | Method for preparing cement-treated soil wall board |
| CN101328713A (en) * | 2008-07-18 | 2008-12-24 | 华丰建设股份有限公司 | Construction method of circular deep foundation pit support |
| CN202148530U (en) * | 2011-06-14 | 2012-02-22 | 黄朝阳 | Curtain water stop slope wall |
-
2011
- 2011-06-14 CN CN201110159775XA patent/CN102296620B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1196426A (en) * | 1997-04-14 | 1998-10-21 | 中国建筑科学研究所珠海科研设计部 | Construction method for inversion underground continuous wall |
| CN101239484A (en) * | 2007-02-06 | 2008-08-13 | 李宪奎 | Method for preparing cement-treated soil wall board |
| CN101328713A (en) * | 2008-07-18 | 2008-12-24 | 华丰建设股份有限公司 | Construction method of circular deep foundation pit support |
| CN202148530U (en) * | 2011-06-14 | 2012-02-22 | 黄朝阳 | Curtain water stop slope wall |
Non-Patent Citations (2)
| Title |
|---|
| "压密注浆工艺在止水护坡中的应用";王康红;《第三届安徽自然科学学术年会安徽省电机工程学会2005年学术年会论文集》;20051231;第45-50页 * |
| 王康红."压密注浆工艺在止水护坡中的应用".《第三届安徽自然科学学术年会安徽省电机工程学会2005年学术年会论文集》.2005,第45-50页. |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11891770B2 (en) | 2021-04-12 | 2024-02-06 | Cmi Limited Co. | Catenary panel retaining wall |
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