CN201148621Y - Miniature anti-slide pile composite structure - Google Patents
Miniature anti-slide pile composite structure Download PDFInfo
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- CN201148621Y CN201148621Y CNU2008200617548U CN200820061754U CN201148621Y CN 201148621 Y CN201148621 Y CN 201148621Y CN U2008200617548 U CNU2008200617548 U CN U2008200617548U CN 200820061754 U CN200820061754 U CN 200820061754U CN 201148621 Y CN201148621 Y CN 201148621Y
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- antislide pile
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Abstract
The utility model relates to a micro combined antiskid pile structure. The micro combined antiskid pile structure comprises a plurality of micro pile combined antiskid structure units distributed at intervals in the sliding direction along a vertical landslide; the lower end of the unit comprises a plurality of small-diameter antiskid piles distributed at intervals and fixed in a landslide bed; the tops of the antiskid piles form an integrated tubular structure through reinforced concrete plates. The micro pile combined structure provided by the utility model, due to the adoption of mechanical hole building, can greatly shorten the project period and ensure the safety of construction staff; at the same time, the space rigid frame structure formed by the combination of the micro piles along the slope obliqueness has strong antiskid capability while bringing the self-bearing capability of the soil rock body into full play, which is particularly suitable for rapid landslide treatment and facilitates the invisible .supporting and retaining structure with the slope vegetation. Therefore, the structure has the advantages of slope sliding resistance, safety and reliability, rapid construction, low construction cost, easy combination with slope vegetation, etc.
Description
Technical field
The utility model relates to a kind of miniature antislide pile combining structure, specifically, be a kind of be applied to come down or the slope treatment engineering in miniature antislide pile combining structure.
Background technology
Anti-slide pile structure is widely used in landslide or slope treatment engineering because of advantages such as its reliability and flexibilities.But in actual engineering, usually stake is long bigger, under the sectional dimension that is fit to the requirement of antiskid and constructing operation, make the concrete masonry measure and the reinforcing bar amount all bigger, and being generally hole digging pile, the construction period is longer, under some geological conditions, as groundwater table when higher, some difficult problems in also can occurring constructing.Therefore, the retaining structure comparatively heavy for this class of antislide pile though certain advantage is arranged, the difficulty and the problem of aspects such as technology, economy, constructing operation also occur through regular meeting, or even comparatively unreasonable part.Therefore, be necessary to seek that novel structure is light-duty, Technological Economy rationally and constructing operation anti-sliding support structure simply and easily.For this reason, can use for reference the root pile method that in pattern foundation pit supporting structure and Base Consolidation Engineering, adopts and administer sliding (limit) sloping problem.Existing root pile method is used for the supporting slope when (containing foundation ditch), mainly be continuous girder construction to be set in position, stake top after the pile each is coupled together co-operation, to strengthen whole anti-slide performance, simultaneously, the layout of pile body mainly is made as these two kinds of forms of complete vertical or partly vertical part oblique (wherein some reverse side slope tilts).Existing this method is when administering sliding (limit) slope, two subject matters of main existence: the one, couple together in practical operation each very useful continuous capping beam dumb, can bring the difficulty in the construction, it is particularly outstanding especially (often to occur) problem when the landform complicated condition in the slope project of mountain area; The 2nd, from bearing the angle of sloping body lateral thrust, though be entirely vertically or the stake bit patterns of the vertical part of part oblique (wherein some reverse side slope tilts) all fail to make full use of the anti-slide performance of sloping body antiskid section, be unfavorable for reducing the stressed of pile body structure, make the stressed unreasonable of pile body structure, cause Technological Economy unreasonable of engineering.Therefore, be necessary existing root pile supporting side slope technology is improved, so that make this light-duty retaining structure that stronger engineering adaptability be arranged with plurality of advantages.
The utility model content
Technical problem to be solved in the utility model provides a kind of the employing along sloping oblique mini pile coping combining structure and resists Thrust of Landslide, plays the miniature antislide pile combining structure of the effect of administering sliding (limit) slope.
The utility model solves the problems of the technologies described above the technical scheme that is adopted: miniature antislide pile combining structure, described miniature antislide pile combining structure comprises that several are along the mini pile combination antiskid element of construction that distributes with a determining deviation on the glide direction of vertical landslide, mini pile combination antiskid element of construction bottom is that (a stake bore dia can be taken as 110mm～150mm) to the some small-bore antislide piles that are fixed in (sliding bed) in the landslide that distribute with a determining deviation, and is connected to whole platy structure at each antislide pile top by armored concrete slab.Pile body is along the oblique sloping body pressure that reduces to be applied to it of helping in slope, and the small-bore stake then helps mechanical rapid construction.
Described antislide pile along sloping body tendency toward sliding direction tilt and with the vertical direction angle be 10～15 °.
Described antislide pile comprises that 3 diameters are the bundle muscle that 32mm or its above reinforcing bar weld bunchy along its length, is provided with the stake hole that is used to assemble the bundle muscle in the described landslide, constitutes antislide pile after described stake hole internal beam muscle circumfusion cement mortar and the moulding of bundle muscle.
Every rebar surface welding of described bundle muscle is fixed with the centering frame, and each centering frame outside equates with the stake pore radius with the distance of restrainting between the muscle axis.
The center distance of each antislide pile is 28d～40d in the described mini pile combination antiskid element of construction, and d is for forming the single steel bar diameter of bundle muscle.
It is that thickness is 28d～40d rectangular slab that described each antislide pile top is connected to overall structure by armored concrete slab, and d is for forming the single steel bar diameter of bundle muscle.Its planar dimension depends on pile spacing, promptly will be in the plane each top be covered fully, also need reserve certain extension in edge simultaneously, and promptly edges of boards should not be less than half of pile center's spacing on the corresponding direction that lays out pile to the distance at each skirt piles center.
Described rectangular slab upper and lower be distributed with advocated muscle and with the distribution reinforcement of main muscle quadrature, distribution bar connects together and constitutes the enclosed type stirrup up and down.On the direction that every row (both direction) lays out pile, also need lay local anti-impact and cut stirrup.
Bundle muscle top in described each antislide pile pile body extends upwardly to the inner bending of rectangular slab plate body and forms bending end (being set as about 120 ° of angles in the plane between the bending end of three reinforcing bars of composition bundle muscle), this bending end and plate body anchor connection.The vertical distance of the follow-up straightway longitudinal axis of the section of bending up at the bottom of the plate can be taken as 0.4～0.5 times thickness of slab.The internal diameter of the reinforcing bar section of bending up is taken as and is not less than 8d, and follow-up length of straigh line is taken as and is not less than 6d and is advisable, with the comprehensive Technological Economy requirement of satisfying structure and stressed aspect.
To sum up, the beneficial effects of the utility model are: mini pile combination antiskid structure of the present utility model, owing to can adopt mechanical hole building, reduction of erection time greatly when guaranteeing constructor's personal safety, and each has formed the space rigid structure after along slope oblique (help reduce to act on the pile body retaining structure sloping body pressure) mini pile combination, when giving full play to slope ground body self-supporting ability, himself also has stronger anti-slide performance, needing to be particularly suitable for rapid construction to administer the situation on sliding (limit) slope.
Description of drawings
Fig. 1 is the sloping body schematic cross-sectional view of construction miniature antislide pile combining structure of the present utility model;
Fig. 2 is the schematic cross-sectional view behind the sloping body excavation construction;
Fig. 3 is the antislide pile plane distribution schematic diagram in the mini pile combination antiskid element of construction;
Fig. 4 is a stake pore size distribution schematic diagram on sloping body cross section;
Fig. 5 is the plane distribution schematic diagram in a hole;
Fig. 6 is that single steel bar and the welding centering frame thereon of forming the bundle muscle are arranged schematic diagram;
Fig. 7 is bundle muscle and the cross-sectional configuration schematic diagram of Grouting Pipe in the stake hole that is welded into by 3 reinforcing bars;
Fig. 8 is the structural representation after the bundle muscle is fitted into a hole on the sloping body cross section;
Fig. 9 is the plane distribution schematic diagram of Fig. 8;
Figure 10 is the structural representation of mini pile combination antiskid element of construction on sloping body cross section;
Figure 11 is the plane distribution schematic diagram of Figure 10.
The specific embodiment
Extremely shown in Figure 11 referring to Fig. 1, miniature antislide pile combining structure of the present utility model comprises that several are along the mini pile combination antiskid element of construction that distributes with a determining deviation on the glide direction of vertical landslide, mini pile combination antiskid element of construction lower end is the some antislide piles that are fixed in (sliding bed) in the landslide that distribute with a determining deviation, and each antislide pile top is connected to whole platy structure by armored concrete slab.
The unification of this enforcement antislide pile is arranged to tilting along sloping direction (sloping body tendency toward sliding direction), itself and vertical direction angle can be 10 °～15 °, perhaps consider sloping body topographic and geologic feature and determine in conjunction with being convenient to concrete actual conditions such as constructing operation, label 2 is sloping body line of slope among Fig. 1,1 for making up the sloping body excavation part that the antiskid element of construction carries out for mini pile is set on the sloping body, Fig. 2 proposes the schematic diagram of position behind excavation construction of putting mini pile combination antiskid element of construction, and the antislide pile of mini pile combination antiskid element of construction distributes by antislide pile distribution mark shown in Figure 33; The skeleton of every antislide pile is a branch of reinforcing bar 9, adopting 3 diameters is that (generally can be taken as diameter is the HRB400 reinforcing bar of 32mm to the reinforcing bar 6 that is not less than 32mm, so that bulk purchase, or determine bar diameter according to the complexity of concrete stressing conditions and purchase) along its length every certain distance (can be taken as 2m) welding bunchy, stake hole 4 diameters can be taken as 110～150mm, specifically can determine according to the aperture commonly used specification of drilling machine and in conjunction with set bar diameter size is comprehensive, if bar diameter is more then made larger-diameter stake hole, otherwise then can do the stake hole that becomes minor diameter, as: can adopt diameter when the employing diameter is the reinforcing bar of 32mm is the stake hole of 130mm, in the stake hole during underlying bundle muscle, adopt centering frame 7 (being welded on the same side of every reinforcing bar across a certain distance), the center of gravity of bundle muscle cross section and the centre of form in stake hole are overlapped, in the stake hole, by grout pipe 8 cement injection mortars, constitute pile body after cement mortar and the moulding of bundle muscle around the bundle muscle; The center distance of each antislide pile is advisable to be not less than 28d (d is a single steel bar diameter of forming the bundle muscle) and to be not more than 40d, comprehensively to satisfy the Technological Economy requirement of stressed and structure aspect; Each antislide pile will go deep into the following certain degree of depth of sliding surface, need calculate definite according to condition comprehensive Design such as size of specifically resisting Thrust of Landslide and stability under loading.The utility model is connected to whole platy structure with the antislide pile top by armored concrete slab can make certain thickness rectangular slab 11, its planar dimension depends on pile spacing, promptly in the plane each top be covered fully, simultaneously also need reserve certain extension in edge, being edges of boards should be not less than half of pile center's spacing on the corresponding direction that lays out pile to the distance at each skirt piles center, plate thickness is advisable to be not less than 28d (d is a single steel bar diameter of forming the bundle muscle), and generally also should not be greater than 40d, with the comprehensive Technological Economy requirement of satisfying structure and stressed aspect; Rectangular slab all need arrange the muscle 12 of being advocated (Y is with the potential glide direction of sloping body) up and down, need arrange also and the distribution reinforcement 13 of main muscle quadrature that distribution bar can connect together and make enclosed type (promptly becoming the enclosed type stirrup) up and down.In addition, on the direction that every row (both direction) lays out pile, also need lay local anti-impact and cut stirrup.The diameter of concrete set reinforcing bar and spacing are determined by designing and calculating and structure requirement by the engineering actual conditions; Bundle muscle in each antislide pile pile body needs upwards extend in the plate body certain distance position at the bottom of the plate earlier always, and then bend up processing, realize the anchor connection with plate body, the vertical distance of the follow-up straightway longitudinal axis of the section of bending up 10 at the bottom of the plate can be taken as 0.4～0.5 times thickness of slab.Be set as about 120 ° of angles in the plane between the section of bending up of three reinforcing bars of the interior composition bundle of every pile body muscle and the follow-up straightway thereof, because pile body tilts, three reinforcing bars to bend up angle different, as: if the pile body angle of inclination is 15 °, but then three reinforcing bar cloth becomes one to bend up 105 ° (sections of bending up follow-up straightway y direction with the potential glide direction of sloping body), other two forms that all bend up 85 ° with approximate processing.The internal diameter of the reinforcing bar section of bending up is taken as and is not less than 8d, and follow-up length of straigh line is taken as and is not less than 6d and is advisable, with the comprehensive Technological Economy requirement of satisfying structure and stressed aspect.
Administer sliding (limit) slope with the oblique mini pile combination of this kind antiskid structure and mainly can apply by following method, its schematic diagram is promptly progressively realized to Figure 11 from Fig. 1 shown in following figure in turn.
1) suitably sliding (limit) the sloping geotechnical body of excavation to establishing a top, position, and the local platform of smooth one-tenth, as shown in Figure 1;
2) can to a mini pile combination antiskid element of construction,, indicate each heart position, from sloping body edge as Fig. 2, shown in Figure 3 according to establishing a position unwrapping wire;
3) method that can adopt machine drilling is to each pore-forming successively of this unit, as Fig. 4, shown in Figure 5;
4) each of this element descended reinforcing bar (bundle muscle and centering frame weld in advance) successively, and inserts the Grouting Pipe of suitable bore simultaneously, referring to Fig. 6 to shown in Figure 9;
5), notice that stake top reinforcing bar stretches into the joint construction of plate body, as Figure 10, shown in Figure 11 to corresponding coping formwork erection and assembling reinforcement;
6) adopt cement mortar each of continuous pouring this element successively, promote body while pouring into a mould, up to each casting complete, use the concrete pouring coping then at once, up to the plate body casting complete, this promptly finishes the construction of mini pile combination antiskid unit, again with other unit of certain spacing job-hopping construction, method is the same, till finishing all mini pile combination antiskid unit.
Claims (10)
1, miniature antislide pile combining structure, it is characterized in that, described miniature antislide pile combining structure comprises that several are along the mini pile combination antiskid element of construction that distributes with a determining deviation on the glide direction of vertical landslide, mini pile combination antiskid element of construction bottom is the some antislide piles of sliding in the bed that are fixed in determining deviation distribution, and each antislide pile top is connected to whole platy structure by armored concrete slab.
2, miniature antislide pile combining structure according to claim 1 is characterized in that, described antislide pile along sloping body tendency toward sliding direction tilt and with the vertical direction angle be 10 °～15 °.
3, miniature antislide pile combining structure according to claim 1 is characterized in that, the stake bore dia of described antislide pile can be 110mm～150mm.
4, according to any described miniature antislide pile combining structure of claim 1 to 3, it is characterized in that, comprise in the described antislide pile that 3 diameters are the bundle muscle that the reinforcing bar that is not less than 32mm welds bunchy along its length, be provided with the stake hole that is used to install the bundle muscle in the described landslide, constitute antislide pile after described stake hole internal beam muscle circumfusion cement mortar and the moulding of bundle muscle.
5, miniature antislide pile combining structure according to claim 4 is characterized in that, every rebar surface welding of described bundle muscle is fixed with the centering frame, and each centering frame outside equates with the stake pore radius with the distance of restrainting between the flaccidity of tendon and muscle axis.
According to any described miniature antislide pile combining structure of claim 1 to 5, it is characterized in that 6, the center distance of each antislide pile is 28d～40d in the described mini pile combination antiskid element of construction, d is for forming the single steel bar diameter of bundle muscle.
7, according to any described miniature antislide pile combining structure of claim 1 to 5, it is characterized in that, it is that thickness is 28d～40d rectangular slab that described each antislide pile top is connected to overall structure by armored concrete slab, d is for forming the single steel bar diameter of bundle muscle, described rectangular slab covers each antislide pile stake top fully in the plane and stretches out covering antislide pile edge, and the length of its extension is not less than on the corresponding direction that lays out pile half of clear distance between stake.
8, miniature antislide pile combining structure according to claim 7 is characterized in that, described rectangular slab upper and lower be distributed with advocated muscle and with the distribution reinforcement of the muscle quadrature of being advocated, distribution bar connects together and constitutes the enclosed type stirrup up and down; On a direction of whenever arranging, be provided with described local anti-impact of being advocated muscle or distribution reinforcement sealing overlap joint and cut stirrup.
9, miniature antislide pile combining structure according to claim 7 is characterized in that, the bundle muscle top in described each antislide pile pile body extends upwardly to the inner bending of rectangular slab plate body and forms bending end, this bending end and plate body anchor connection.
10, miniature antislide pile combining structure according to claim 9 is characterized in that, is 120 ° angle in the plane between the bending end of three reinforcing bars of described composition bundle muscle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200617548U CN201148621Y (en) | 2008-01-11 | 2008-01-11 | Miniature anti-slide pile composite structure |
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| CNU2008200617548U CN201148621Y (en) | 2008-01-11 | 2008-01-11 | Miniature anti-slide pile composite structure |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102444405A (en) * | 2011-10-19 | 2012-05-09 | 重庆大学 | Anti-slide pile and frame arch combined structure and construction method |
| CN102797478A (en) * | 2012-08-27 | 2012-11-28 | 中国矿业大学 | Method for preventing bottom squeeze of soft rock roadway by using distributed shear-resistant slip-resistant reinforced concrete pile |
| CN103205977A (en) * | 2013-05-02 | 2013-07-17 | 中铁西北科学研究院有限公司 | Combined-plate-type composite antiskid structure and manufacturing method thereof |
| CN103541368A (en) * | 2013-11-18 | 2014-01-29 | 贵州正业工程技术投资有限公司 | Rock-mass skidding resisting deep-layer shearing resisting device and method for manufacturing same |
| CN103711135A (en) * | 2014-01-13 | 2014-04-09 | 中国地质大学（武汉） | Anti-slide pile of jointed arch structure |
| CN103821536A (en) * | 2014-03-20 | 2014-05-28 | 中铁七局集团第三工程有限公司 | Construction method for tunnel on landslide section |
| CN105544565A (en) * | 2016-01-14 | 2016-05-04 | 广西大学 | Side slope anti-sliding supporting structure |
| CN107938685A (en) * | 2017-06-20 | 2018-04-20 | 重庆市高新工程勘察设计院有限公司 | A kind of new diagonal brace composite support device |
| CN108343077A (en) * | 2018-04-23 | 2018-07-31 | 中铁二院昆明勘察设计研究院有限责任公司 | A kind of Miniature anti-slide pile composite structure and its construction method |
| CN108678042A (en) * | 2018-06-14 | 2018-10-19 | 云南建投中航建设有限公司 | Miniature steel pipe pile for foundation stabilization and the method using its progress foundation stabilization |
| CN108978687A (en) * | 2018-09-03 | 2018-12-11 | 南华大学 | It is a kind of landslide and slope treatment non-straight vertical anti-slide pile structure and installation method |
| CN109235465A (en) * | 2018-09-20 | 2019-01-18 | 中铁二院工程集团有限责任公司 | Squeeze into the superpower concrete tubular pile breast wall type packaged combination anti-slide pile structure of prestressing force |
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2008
- 2008-01-11 CN CNU2008200617548U patent/CN201148621Y/en not_active Expired - Fee Related
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102444405A (en) * | 2011-10-19 | 2012-05-09 | 重庆大学 | Anti-slide pile and frame arch combined structure and construction method |
| CN102444405B (en) * | 2011-10-19 | 2014-06-04 | 重庆大学 | Anti-slide pile and frame arch combined structure and construction method |
| CN102797478A (en) * | 2012-08-27 | 2012-11-28 | 中国矿业大学 | Method for preventing bottom squeeze of soft rock roadway by using distributed shear-resistant slip-resistant reinforced concrete pile |
| CN102797478B (en) * | 2012-08-27 | 2015-03-11 | 中国矿业大学 | Method for preventing bottom squeeze of soft rock roadway by using distributed shear-resistant slip-resistant reinforced concrete pile |
| CN103205977A (en) * | 2013-05-02 | 2013-07-17 | 中铁西北科学研究院有限公司 | Combined-plate-type composite antiskid structure and manufacturing method thereof |
| CN103205977B (en) * | 2013-05-02 | 2016-05-18 | 中铁西北科学研究院有限公司 | The preparation method of the compound antiskid structure of composition board type |
| CN103541368A (en) * | 2013-11-18 | 2014-01-29 | 贵州正业工程技术投资有限公司 | Rock-mass skidding resisting deep-layer shearing resisting device and method for manufacturing same |
| CN103711135A (en) * | 2014-01-13 | 2014-04-09 | 中国地质大学（武汉） | Anti-slide pile of jointed arch structure |
| CN103821536B (en) * | 2014-03-20 | 2016-04-27 | 中铁七局集团第三工程有限公司 | Location, landslide method for tunnel construction |
| CN103821536A (en) * | 2014-03-20 | 2014-05-28 | 中铁七局集团第三工程有限公司 | Construction method for tunnel on landslide section |
| CN105544565A (en) * | 2016-01-14 | 2016-05-04 | 广西大学 | Side slope anti-sliding supporting structure |
| CN107938685A (en) * | 2017-06-20 | 2018-04-20 | 重庆市高新工程勘察设计院有限公司 | A kind of new diagonal brace composite support device |
| CN108343077A (en) * | 2018-04-23 | 2018-07-31 | 中铁二院昆明勘察设计研究院有限责任公司 | A kind of Miniature anti-slide pile composite structure and its construction method |
| CN108678042A (en) * | 2018-06-14 | 2018-10-19 | 云南建投中航建设有限公司 | Miniature steel pipe pile for foundation stabilization and the method using its progress foundation stabilization |
| CN108978687A (en) * | 2018-09-03 | 2018-12-11 | 南华大学 | It is a kind of landslide and slope treatment non-straight vertical anti-slide pile structure and installation method |
| CN109235465A (en) * | 2018-09-20 | 2019-01-18 | 中铁二院工程集团有限责任公司 | Squeeze into the superpower concrete tubular pile breast wall type packaged combination anti-slide pile structure of prestressing force |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20081112 Termination date: 20120111 |